* [PATCH v8 00/14] arm: rework id register storage
@ 2025-06-17 15:39 Cornelia Huck
2025-06-17 15:39 ` [PATCH v8 01/14] arm/cpu: Add sysreg definitions in cpu-sysregs.h Cornelia Huck
` (16 more replies)
0 siblings, 17 replies; 30+ messages in thread
From: Cornelia Huck @ 2025-06-17 15:39 UTC (permalink / raw)
To: eric.auger.pro, eric.auger, qemu-devel, qemu-arm, kvmarm,
peter.maydell, richard.henderson, alex.bennee, maz, oliver.upton,
sebott, shameerali.kolothum.thodi, armbru, berrange, abologna,
jdenemar, agraf
Cc: shahuang, mark.rutland, philmd, pbonzini, Cornelia Huck
Mostly addressed Peter's feedback:
- make sure every inbetween stage compiles (also fixed some bonus issues)
- try to make the scripts more robust, add a note the generated file,
and make sure to grab only registers we actually want
- I did a half-hearted attempt to use python instead of awk, but I'm
out of my depth, especially with the script that will be used for
the register fields in the cpu models series
Also available at
https://gitlab.com/cohuck/qemu/-/commits/arm-rework-idreg-storage-v8
<v7 cover letter>
Some small fixes, including fixing up/adding SPDX identifiers, keeping the
series bisectable, and updating MAINTAINERS (please check if that's ok.)
<v6 cover letter>
Just some small changes:
- fixed up some botched conversions noted by Eric (thanks!)
- rebased to current master
- new patch with a small cleanup suggested by Eric
<v5 cover letter>
Just a quick respin to fix a missed conversion in hvf.c.
<v4 cover letter>
Next iteration of the id register patches; only small changes.
Changed from v3:
- added R-bs (thanks!)
- added missing SPDX header
- merged patch introducing accessors for kvm to the first user
- skip over sysregs outside of the id register range when generating
register definitions again
Also available at
https://gitlab.com/cohuck/qemu/-/commits/arm-rework-idreg-storage-v4
<v3 cover letter>
Yet another update of the id register series, less changes this time
around.
Changed from v2:
- changed generation of the various register defines via the "DEF"
magic suggested by Richard
- some kvm-only code moved to kvm.c; some code potentially useful to
non-kvm code stayed out of there (the cpu model code will make use
of it, and that one should be extendable outside of kvm -- a
revised version of those patches is still in the works, but I'll be
off for a few days and rather wanted to get this one out first)
Also available at
https://gitlab.com/cohuck/qemu/-/commits/arm-rework-idreg-storage-v3
<v2 cover letter>
Changed from v1:
- Noticed that we missed the hvf code. Converted, compiled, but not tested
as I'm lacking an environment for testing.
- Hopefully incorporated most of the suggested changes -- if I missed
something, it was unintentional unless mentioned below.
- fixed repeated inclusion of definitions
- hopefully made macros more robust
- removed distinction between reading 32/64 values, which was mostly
adding churn for little value
- postponed generating property definitions to the cpu model patches,
where they are actually used
- juggled hunks and moved them to the right patches
- fixed some typos
- rebased to a more recent code base
NOT changed from v1:
- definitions are still generated from the Linux sysregs file
- I still think updating the generated files on demand (so that we can
double check the result) is the right thing to do
- I'm open to changing the source of the definitions from the sysregs
file to the JSON definitions published by Arm; however, I first wanted
to get the code using it right -- we can switch out the code generating
the file to use a different source easily later on, and I'd also like
to steal parts of the script from Linux once integrated (which I think
hasn't happened yet?)
<v1 cover letter>
[Note: I've kept the cc list from the last round of cpu model patches;
so if you're confused as to why you're cc:ed here, take it as a
heads-up that a new cpu model series will come along soon]
This patch series contains patches extracted from the larger cpu model
series (RFC v2 last posted at
https://lore.kernel.org/qemu-devel/20241206112213.88394-1-cohuck@redhat.com/)
and aims at providing a base upon which we can continue with building
support for cpu models, but which is hopefully already an improvement
on its own.
Main changes from the patches in that series include:
- post-pone the changes to handle KVM writable ID registers for cpu models
(I have a series including that on top of this one)
- change how we store the list of ID registers, and access them
basically, use an enum for indexing, and an enum doing encodings in a
pattern similar to cpregs
- move some hunks to different patches
- update the scripts to generate the register descriptions, and run
them against a recent Linux sysregs file
What I've kept:
- generating the register descriptions from the Linux sysregs file
I think that file is still our best bet to generate the descriptions
easily, and updating the definitions is a manual step that can be checked
for unintended changes
- most of the hard work that Eric had been doing; all new bugs in there
are my own :)
</v1 cover letter>
</v2 cover letter>
</v3 cover letter>
</v4 cover letter>
</v5 cover letter>
</v6 cover letter>
</v7 cover letter>
Cornelia Huck (2):
arm/cpu: switch to a generated cpu-sysregs.h.inc
arm/kvm: use fd instead of fdarray[2]
Eric Auger (12):
arm/cpu: Add sysreg definitions in cpu-sysregs.h
arm/cpu: Store aa64isar0/aa64zfr0 into the idregs arrays
arm/cpu: Store aa64isar1/2 into the idregs array
arm/cpu: Store aa64pfr0/1 into the idregs array
arm/cpu: Store aa64mmfr0-3 into the idregs array
arm/cpu: Store aa64dfr0/1 into the idregs array
arm/cpu: Store aa64smfr0 into the idregs array
arm/cpu: Store id_isar0-7 into the idregs array
arm/cpu: Store id_pfr0/1/2 into the idregs array
arm/cpu: Store id_dfr0/1 into the idregs array
arm/cpu: Store id_mmfr0-5 into the idregs array
arm/cpu: Add sysreg generation scripts
MAINTAINERS | 1 +
hw/intc/armv7m_nvic.c | 27 +-
scripts/arm-gen-cpu-sysregs-header.awk | 37 ++
scripts/update-aarch64-sysreg-code.sh | 32 ++
target/arm/cpu-features.h | 317 ++++++++---------
target/arm/cpu-sysregs.h | 42 +++
target/arm/cpu-sysregs.h.inc | 53 +++
target/arm/cpu.c | 111 +++---
target/arm/cpu.h | 80 +++--
target/arm/cpu64.c | 128 ++++---
target/arm/helper.c | 68 ++--
target/arm/hvf/hvf.c | 39 ++-
target/arm/internals.h | 6 +-
target/arm/kvm.c | 139 ++++----
target/arm/ptw.c | 6 +-
target/arm/tcg/cpu-v7m.c | 174 +++++-----
target/arm/tcg/cpu32.c | 320 ++++++++---------
target/arm/tcg/cpu64.c | 459 +++++++++++++------------
18 files changed, 1114 insertions(+), 925 deletions(-)
create mode 100755 scripts/arm-gen-cpu-sysregs-header.awk
create mode 100755 scripts/update-aarch64-sysreg-code.sh
create mode 100644 target/arm/cpu-sysregs.h
create mode 100644 target/arm/cpu-sysregs.h.inc
--
2.49.0
^ permalink raw reply [flat|nested] 30+ messages in thread
* [PATCH v8 01/14] arm/cpu: Add sysreg definitions in cpu-sysregs.h
2025-06-17 15:39 [PATCH v8 00/14] arm: rework id register storage Cornelia Huck
@ 2025-06-17 15:39 ` Cornelia Huck
2025-06-17 15:39 ` [PATCH v8 02/14] arm/cpu: Store aa64isar0/aa64zfr0 into the idregs arrays Cornelia Huck
` (15 subsequent siblings)
16 siblings, 0 replies; 30+ messages in thread
From: Cornelia Huck @ 2025-06-17 15:39 UTC (permalink / raw)
To: eric.auger.pro, eric.auger, qemu-devel, qemu-arm, kvmarm,
peter.maydell, richard.henderson, alex.bennee, maz, oliver.upton,
sebott, shameerali.kolothum.thodi, armbru, berrange, abologna,
jdenemar, agraf
Cc: shahuang, mark.rutland, philmd, pbonzini, Cornelia Huck
From: Eric Auger <eric.auger@redhat.com>
This new header contains macros that define aarch64 registers.
In a subsequent patch, this will be replaced by a more exhaustive
version that will be generated from linux arch/arm64/tools/sysreg
file. Those macros are sufficient to migrate the storage of those
ID regs from named fields in isar struct to an array cell.
[CH: reworked to use different structures]
[CH: moved accessors from the patches first using them to here,
dropped interaction with writable registers, which will happen
later]
[CH: use DEF magic suggested by rth]
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Sebastian Ott <sebott@redhat.com>
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
---
target/arm/cpu-sysregs.h | 42 +++++++++++++++++++++++++++++++
target/arm/cpu-sysregs.h.inc | 36 ++++++++++++++++++++++++++
target/arm/cpu.h | 49 ++++++++++++++++++++++++++++++++++++
target/arm/cpu64.c | 22 ++++++++++++++++
4 files changed, 149 insertions(+)
create mode 100644 target/arm/cpu-sysregs.h
create mode 100644 target/arm/cpu-sysregs.h.inc
diff --git a/target/arm/cpu-sysregs.h b/target/arm/cpu-sysregs.h
new file mode 100644
index 000000000000..7877a3b06a8e
--- /dev/null
+++ b/target/arm/cpu-sysregs.h
@@ -0,0 +1,42 @@
+/*
+ * Definitions for Arm ID system registers
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+#ifndef ARM_CPU_SYSREGS_H
+#define ARM_CPU_SYSREGS_H
+
+/*
+ * Following is similar to the coprocessor regs encodings, but with an argument
+ * ordering that matches the ARM ARM. We also reuse the various CP_REG_ defines
+ * that actually are the same as the equivalent KVM_REG_ values.
+ */
+#define ENCODE_ID_REG(op0, op1, crn, crm, op2) \
+ (((op0) << CP_REG_ARM64_SYSREG_OP0_SHIFT) | \
+ ((op1) << CP_REG_ARM64_SYSREG_OP1_SHIFT) | \
+ ((crn) << CP_REG_ARM64_SYSREG_CRN_SHIFT) | \
+ ((crm) << CP_REG_ARM64_SYSREG_CRM_SHIFT) | \
+ ((op2) << CP_REG_ARM64_SYSREG_OP2_SHIFT))
+
+#define DEF(NAME, OP0, OP1, CRN, CRM, OP2) NAME##_IDX,
+
+typedef enum ARMIDRegisterIdx {
+#include "cpu-sysregs.h.inc"
+ NUM_ID_IDX,
+} ARMIDRegisterIdx;
+
+#undef DEF
+#define DEF(NAME, OP0, OP1, CRN, CRM, OP2) \
+ SYS_##NAME = ENCODE_ID_REG(OP0, OP1, CRN, CRM, OP2),
+
+typedef enum ARMSysRegs {
+#include "cpu-sysregs.h.inc"
+} ARMSysRegs;
+
+#undef DEF
+
+extern const uint32_t id_register_sysreg[NUM_ID_IDX];
+
+int get_sysreg_idx(ARMSysRegs sysreg);
+
+#endif /* ARM_CPU_SYSREGS_H */
diff --git a/target/arm/cpu-sysregs.h.inc b/target/arm/cpu-sysregs.h.inc
new file mode 100644
index 000000000000..cb99286f7048
--- /dev/null
+++ b/target/arm/cpu-sysregs.h.inc
@@ -0,0 +1,36 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+DEF(ID_AA64PFR0_EL1, 3, 0, 0, 4, 0)
+DEF(ID_AA64PFR1_EL1, 3, 0, 0, 4, 1)
+DEF(ID_AA64SMFR0_EL1, 3, 0, 0, 4, 5)
+DEF(ID_AA64DFR0_EL1, 3, 0, 0, 5, 0)
+DEF(ID_AA64DFR1_EL1, 3, 0, 0, 5, 1)
+DEF(ID_AA64ISAR0_EL1, 3, 0, 0, 6, 0)
+DEF(ID_AA64ISAR1_EL1, 3, 0, 0, 6, 1)
+DEF(ID_AA64ISAR2_EL1, 3, 0, 0, 6, 2)
+DEF(ID_AA64MMFR0_EL1, 3, 0, 0, 7, 0)
+DEF(ID_AA64MMFR1_EL1, 3, 0, 0, 7, 1)
+DEF(ID_AA64MMFR2_EL1, 3, 0, 0, 7, 2)
+DEF(ID_AA64MMFR3_EL1, 3, 0, 0, 7, 3)
+DEF(ID_PFR0_EL1, 3, 0, 0, 1, 0)
+DEF(ID_PFR1_EL1, 3, 0, 0, 1, 1)
+DEF(ID_DFR0_EL1, 3, 0, 0, 1, 2)
+DEF(ID_MMFR0_EL1, 3, 0, 0, 1, 4)
+DEF(ID_MMFR1_EL1, 3, 0, 0, 1, 5)
+DEF(ID_MMFR2_EL1, 3, 0, 0, 1, 6)
+DEF(ID_MMFR3_EL1, 3, 0, 0, 1, 7)
+DEF(ID_ISAR0_EL1, 3, 0, 0, 2, 0)
+DEF(ID_ISAR1_EL1, 3, 0, 0, 2, 1)
+DEF(ID_ISAR2_EL1, 3, 0, 0, 2, 2)
+DEF(ID_ISAR3_EL1, 3, 0, 0, 2, 3)
+DEF(ID_ISAR4_EL1, 3, 0, 0, 2, 4)
+DEF(ID_ISAR5_EL1, 3, 0, 0, 2, 5)
+DEF(ID_MMFR4_EL1, 3, 0, 0, 2, 6)
+DEF(ID_ISAR6_EL1, 3, 0, 0, 2, 7)
+DEF(MVFR0_EL1, 3, 0, 0, 3, 0)
+DEF(MVFR1_EL1, 3, 0, 0, 3, 1)
+DEF(MVFR2_EL1, 3, 0, 0, 3, 2)
+DEF(ID_PFR2_EL1, 3, 0, 0, 3, 4)
+DEF(ID_DFR1_EL1, 3, 0, 0, 3, 5)
+DEF(ID_MMFR5_EL1, 3, 0, 0, 3, 6)
+DEF(ID_AA64ZFR0_EL1, 3, 0, 0, 4, 4)
+DEF(CTR_EL0, 3, 3, 0, 0, 1)
diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index 302c24e2324a..45409f84ef0f 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -32,6 +32,7 @@
#include "qapi/qapi-types-common.h"
#include "target/arm/multiprocessing.h"
#include "target/arm/gtimer.h"
+#include "target/arm/cpu-sysregs.h"
#define EXCP_UDEF 1 /* undefined instruction */
#define EXCP_SWI 2 /* software interrupt */
@@ -834,6 +835,53 @@ typedef struct {
uint32_t map, init, supported;
} ARMVQMap;
+/* REG is ID_XXX */
+#define FIELD_DP64_IDREG(ISAR, REG, FIELD, VALUE) \
+ ({ \
+ ARMISARegisters *i_ = (ISAR); \
+ uint64_t regval = i_->idregs[REG ## _EL1_IDX]; \
+ regval = FIELD_DP64(regval, REG, FIELD, VALUE); \
+ i_->idregs[REG ## _EL1_IDX] = regval; \
+ })
+
+#define FIELD_DP32_IDREG(ISAR, REG, FIELD, VALUE) \
+ ({ \
+ ARMISARegisters *i_ = (ISAR); \
+ uint64_t regval = i_->idregs[REG ## _EL1_IDX]; \
+ regval = FIELD_DP32(regval, REG, FIELD, VALUE); \
+ i_->idregs[REG ## _EL1_IDX] = regval; \
+ })
+
+#define FIELD_EX64_IDREG(ISAR, REG, FIELD) \
+ ({ \
+ const ARMISARegisters *i_ = (ISAR); \
+ FIELD_EX64(i_->idregs[REG ## _EL1_IDX], REG, FIELD); \
+ })
+
+#define FIELD_EX32_IDREG(ISAR, REG, FIELD) \
+ ({ \
+ const ARMISARegisters *i_ = (ISAR); \
+ FIELD_EX32(i_->idregs[REG ## _EL1_IDX], REG, FIELD); \
+ })
+
+#define FIELD_SEX64_IDREG(ISAR, REG, FIELD) \
+ ({ \
+ const ARMISARegisters *i_ = (ISAR); \
+ FIELD_SEX64(i_->idregs[REG ## _EL1_IDX], REG, FIELD); \
+ })
+
+#define SET_IDREG(ISAR, REG, VALUE) \
+ ({ \
+ ARMISARegisters *i_ = (ISAR); \
+ i_->idregs[REG ## _EL1_IDX] = VALUE; \
+ })
+
+#define GET_IDREG(ISAR, REG) \
+ ({ \
+ const ARMISARegisters *i_ = (ISAR); \
+ i_->idregs[REG ## _EL1_IDX]; \
+ })
+
/**
* ARMCPU:
* @env: #CPUARMState
@@ -1040,6 +1088,7 @@ struct ArchCPU {
uint64_t id_aa64zfr0;
uint64_t id_aa64smfr0;
uint64_t reset_pmcr_el0;
+ uint64_t idregs[NUM_ID_IDX];
} isar;
uint64_t midr;
uint32_t revidr;
diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c
index 200da1c489b8..77054e0ec384 100644
--- a/target/arm/cpu64.c
+++ b/target/arm/cpu64.c
@@ -36,6 +36,28 @@
#include "cpu-features.h"
#include "cpregs.h"
+/* convert between <register>_IDX and SYS_<register> */
+#define DEF(NAME, OP0, OP1, CRN, CRM, OP2) \
+ [NAME##_IDX] = SYS_##NAME,
+
+const uint32_t id_register_sysreg[NUM_ID_IDX] = {
+#include "cpu-sysregs.h.inc"
+};
+
+#undef DEF
+#define DEF(NAME, OP0, OP1, CRN, CRM, OP2) \
+ case SYS_##NAME: return NAME##_IDX;
+
+int get_sysreg_idx(ARMSysRegs sysreg)
+{
+ switch (sysreg) {
+#include "cpu-sysregs.h.inc"
+ }
+ g_assert_not_reached();
+}
+
+#undef DEF
+
void arm_cpu_sve_finalize(ARMCPU *cpu, Error **errp)
{
/*
--
2.49.0
^ permalink raw reply related [flat|nested] 30+ messages in thread
* [PATCH v8 02/14] arm/cpu: Store aa64isar0/aa64zfr0 into the idregs arrays
2025-06-17 15:39 [PATCH v8 00/14] arm: rework id register storage Cornelia Huck
2025-06-17 15:39 ` [PATCH v8 01/14] arm/cpu: Add sysreg definitions in cpu-sysregs.h Cornelia Huck
@ 2025-06-17 15:39 ` Cornelia Huck
2025-06-17 15:39 ` [PATCH v8 03/14] arm/cpu: Store aa64isar1/2 into the idregs array Cornelia Huck
` (14 subsequent siblings)
16 siblings, 0 replies; 30+ messages in thread
From: Cornelia Huck @ 2025-06-17 15:39 UTC (permalink / raw)
To: eric.auger.pro, eric.auger, qemu-devel, qemu-arm, kvmarm,
peter.maydell, richard.henderson, alex.bennee, maz, oliver.upton,
sebott, shameerali.kolothum.thodi, armbru, berrange, abologna,
jdenemar, agraf
Cc: shahuang, mark.rutland, philmd, pbonzini, Cornelia Huck
From: Eric Auger <eric.auger@redhat.com>
Also add kvm accessors for storing host features into idregs.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Sebastian Ott <sebott@redhat.com>
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
---
target/arm/cpu-features.h | 57 ++++++++++++++++++++-------------------
target/arm/cpu.c | 9 +++----
target/arm/cpu.h | 2 --
target/arm/cpu64.c | 8 +++---
target/arm/helper.c | 6 +++--
target/arm/hvf/hvf.c | 3 ++-
target/arm/kvm.c | 30 ++++++++++++++++++---
target/arm/tcg/cpu64.c | 44 ++++++++++++++++++------------
8 files changed, 97 insertions(+), 62 deletions(-)
diff --git a/target/arm/cpu-features.h b/target/arm/cpu-features.h
index 4452e7c21e37..6a47f1a6d222 100644
--- a/target/arm/cpu-features.h
+++ b/target/arm/cpu-features.h
@@ -23,6 +23,7 @@
#include "hw/registerfields.h"
#include "qemu/host-utils.h"
#include "cpu.h"
+#include "cpu-sysregs.h"
/*
* Naming convention for isar_feature functions:
@@ -377,92 +378,92 @@ static inline bool isar_feature_aa32_doublelock(const ARMISARegisters *id)
*/
static inline bool isar_feature_aa64_aes(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, AES) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ISAR0, AES) != 0;
}
static inline bool isar_feature_aa64_pmull(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, AES) > 1;
+ return FIELD_EX64_IDREG(id, ID_AA64ISAR0, AES) > 1;
}
static inline bool isar_feature_aa64_sha1(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, SHA1) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ISAR0, SHA1) != 0;
}
static inline bool isar_feature_aa64_sha256(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, SHA2) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ISAR0, SHA2) != 0;
}
static inline bool isar_feature_aa64_sha512(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, SHA2) > 1;
+ return FIELD_EX64_IDREG(id, ID_AA64ISAR0, SHA2) > 1;
}
static inline bool isar_feature_aa64_crc32(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, CRC32) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ISAR0, CRC32) != 0;
}
static inline bool isar_feature_aa64_atomics(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, ATOMIC) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ISAR0, ATOMIC) != 0;
}
static inline bool isar_feature_aa64_rdm(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, RDM) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ISAR0, RDM) != 0;
}
static inline bool isar_feature_aa64_sha3(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, SHA3) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ISAR0, SHA3) != 0;
}
static inline bool isar_feature_aa64_sm3(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, SM3) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ISAR0, SM3) != 0;
}
static inline bool isar_feature_aa64_sm4(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, SM4) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ISAR0, SM4) != 0;
}
static inline bool isar_feature_aa64_dp(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, DP) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ISAR0, DP) != 0;
}
static inline bool isar_feature_aa64_fhm(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, FHM) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ISAR0, FHM) != 0;
}
static inline bool isar_feature_aa64_condm_4(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, TS) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ISAR0, TS) != 0;
}
static inline bool isar_feature_aa64_condm_5(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, TS) >= 2;
+ return FIELD_EX64_IDREG(id, ID_AA64ISAR0, TS) >= 2;
}
static inline bool isar_feature_aa64_rndr(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, RNDR) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ISAR0, RNDR) != 0;
}
static inline bool isar_feature_aa64_tlbirange(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, TLB) == 2;
+ return FIELD_EX64_IDREG(id, ID_AA64ISAR0, TLB) == 2;
}
static inline bool isar_feature_aa64_tlbios(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, TLB) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ISAR0, TLB) != 0;
}
static inline bool isar_feature_aa64_jscvt(const ARMISARegisters *id)
@@ -928,52 +929,52 @@ static inline bool isar_feature_aa64_doublelock(const ARMISARegisters *id)
static inline bool isar_feature_aa64_sve2(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64zfr0, ID_AA64ZFR0, SVEVER) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ZFR0, SVEVER) != 0;
}
static inline bool isar_feature_aa64_sve2_aes(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64zfr0, ID_AA64ZFR0, AES) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ZFR0, AES) != 0;
}
static inline bool isar_feature_aa64_sve2_pmull128(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64zfr0, ID_AA64ZFR0, AES) >= 2;
+ return FIELD_EX64_IDREG(id, ID_AA64ZFR0, AES) >= 2;
}
static inline bool isar_feature_aa64_sve2_bitperm(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64zfr0, ID_AA64ZFR0, BITPERM) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ZFR0, BITPERM) != 0;
}
static inline bool isar_feature_aa64_sve_bf16(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64zfr0, ID_AA64ZFR0, BFLOAT16) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ZFR0, BFLOAT16) != 0;
}
static inline bool isar_feature_aa64_sve2_sha3(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64zfr0, ID_AA64ZFR0, SHA3) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ZFR0, SHA3) != 0;
}
static inline bool isar_feature_aa64_sve2_sm4(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64zfr0, ID_AA64ZFR0, SM4) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ZFR0, SM4) != 0;
}
static inline bool isar_feature_aa64_sve_i8mm(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64zfr0, ID_AA64ZFR0, I8MM) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ZFR0, I8MM) != 0;
}
static inline bool isar_feature_aa64_sve_f32mm(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64zfr0, ID_AA64ZFR0, F32MM) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ZFR0, F32MM) != 0;
}
static inline bool isar_feature_aa64_sve_f64mm(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64zfr0, ID_AA64ZFR0, F64MM) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ZFR0, F64MM) != 0;
}
static inline bool isar_feature_aa64_sme_f64f64(const ARMISARegisters *id)
diff --git a/target/arm/cpu.c b/target/arm/cpu.c
index e025e241edae..f033411b5dad 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -1962,6 +1962,7 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
{
CPUState *cs = CPU(dev);
ARMCPU *cpu = ARM_CPU(dev);
+ ARMISARegisters *isar = &cpu->isar;
ARMCPUClass *acc = ARM_CPU_GET_CLASS(dev);
CPUARMState *env = &cpu->env;
Error *local_err = NULL;
@@ -2167,7 +2168,7 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
unset_feature(env, ARM_FEATURE_NEON);
- t = cpu->isar.id_aa64isar0;
+ t = GET_IDREG(isar, ID_AA64ISAR0);
t = FIELD_DP64(t, ID_AA64ISAR0, AES, 0);
t = FIELD_DP64(t, ID_AA64ISAR0, SHA1, 0);
t = FIELD_DP64(t, ID_AA64ISAR0, SHA2, 0);
@@ -2175,7 +2176,7 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
t = FIELD_DP64(t, ID_AA64ISAR0, SM3, 0);
t = FIELD_DP64(t, ID_AA64ISAR0, SM4, 0);
t = FIELD_DP64(t, ID_AA64ISAR0, DP, 0);
- cpu->isar.id_aa64isar0 = t;
+ SET_IDREG(isar, ID_AA64ISAR0, t);
t = cpu->isar.id_aa64isar1;
t = FIELD_DP64(t, ID_AA64ISAR1, FCMA, 0);
@@ -2220,9 +2221,7 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
uint64_t t;
uint32_t u;
- t = cpu->isar.id_aa64isar0;
- t = FIELD_DP64(t, ID_AA64ISAR0, FHM, 0);
- cpu->isar.id_aa64isar0 = t;
+ FIELD_DP64_IDREG(isar, ID_AA64ISAR0, FHM, 0);
t = cpu->isar.id_aa64isar1;
t = FIELD_DP64(t, ID_AA64ISAR1, FRINTTS, 0);
diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index 45409f84ef0f..7b5c7a4abc7e 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -1074,7 +1074,6 @@ struct ArchCPU {
uint32_t dbgdidr;
uint32_t dbgdevid;
uint32_t dbgdevid1;
- uint64_t id_aa64isar0;
uint64_t id_aa64isar1;
uint64_t id_aa64isar2;
uint64_t id_aa64pfr0;
@@ -1085,7 +1084,6 @@ struct ArchCPU {
uint64_t id_aa64mmfr3;
uint64_t id_aa64dfr0;
uint64_t id_aa64dfr1;
- uint64_t id_aa64zfr0;
uint64_t id_aa64smfr0;
uint64_t reset_pmcr_el0;
uint64_t idregs[NUM_ID_IDX];
diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c
index 77054e0ec384..c105fcc4ea57 100644
--- a/target/arm/cpu64.c
+++ b/target/arm/cpu64.c
@@ -136,7 +136,7 @@ void arm_cpu_sve_finalize(ARMCPU *cpu, Error **errp)
* SVE is disabled and so are all vector lengths. Good.
* Disable all SVE extensions as well.
*/
- cpu->isar.id_aa64zfr0 = 0;
+ SET_IDREG(&cpu->isar, ID_AA64ZFR0, 0);
return;
}
@@ -639,6 +639,7 @@ void arm_cpu_lpa2_finalize(ARMCPU *cpu, Error **errp)
static void aarch64_a57_initfn(Object *obj)
{
ARMCPU *cpu = ARM_CPU(obj);
+ ARMISARegisters *isar = &cpu->isar;
cpu->dtb_compatible = "arm,cortex-a57";
set_feature(&cpu->env, ARM_FEATURE_V8);
@@ -676,7 +677,7 @@ static void aarch64_a57_initfn(Object *obj)
cpu->isar.id_isar6 = 0;
cpu->isar.id_aa64pfr0 = 0x00002222;
cpu->isar.id_aa64dfr0 = 0x10305106;
- cpu->isar.id_aa64isar0 = 0x00011120;
+ SET_IDREG(isar, ID_AA64ISAR0, 0x00011120);
cpu->isar.id_aa64mmfr0 = 0x00001124;
cpu->isar.dbgdidr = 0x3516d000;
cpu->isar.dbgdevid = 0x01110f13;
@@ -700,6 +701,7 @@ static void aarch64_a57_initfn(Object *obj)
static void aarch64_a53_initfn(Object *obj)
{
ARMCPU *cpu = ARM_CPU(obj);
+ ARMISARegisters *isar = &cpu->isar;
cpu->dtb_compatible = "arm,cortex-a53";
set_feature(&cpu->env, ARM_FEATURE_V8);
@@ -737,7 +739,7 @@ static void aarch64_a53_initfn(Object *obj)
cpu->isar.id_isar6 = 0;
cpu->isar.id_aa64pfr0 = 0x00002222;
cpu->isar.id_aa64dfr0 = 0x10305106;
- cpu->isar.id_aa64isar0 = 0x00011120;
+ SET_IDREG(isar, ID_AA64ISAR0, 0x00011120);
cpu->isar.id_aa64mmfr0 = 0x00001122; /* 40 bit physical addr */
cpu->isar.dbgdidr = 0x3516d000;
cpu->isar.dbgdevid = 0x00110f13;
diff --git a/target/arm/helper.c b/target/arm/helper.c
index 76312102879b..2457c8853c60 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -7750,6 +7750,8 @@ void register_cp_regs_for_features(ARMCPU *cpu)
{
/* Register all the coprocessor registers based on feature bits */
CPUARMState *env = &cpu->env;
+ ARMISARegisters *isar = &cpu->isar;
+
if (arm_feature(env, ARM_FEATURE_M)) {
/* M profile has no coprocessor registers */
return;
@@ -7941,7 +7943,7 @@ void register_cp_regs_for_features(ARMCPU *cpu)
.opc0 = 3, .opc1 = 0, .crn = 0, .crm = 4, .opc2 = 4,
.access = PL1_R, .type = ARM_CP_CONST,
.accessfn = access_aa64_tid3,
- .resetvalue = cpu->isar.id_aa64zfr0 },
+ .resetvalue = GET_IDREG(isar, ID_AA64ZFR0)},
{ .name = "ID_AA64SMFR0_EL1", .state = ARM_CP_STATE_AA64,
.opc0 = 3, .opc1 = 0, .crn = 0, .crm = 4, .opc2 = 5,
.access = PL1_R, .type = ARM_CP_CONST,
@@ -8001,7 +8003,7 @@ void register_cp_regs_for_features(ARMCPU *cpu)
.opc0 = 3, .opc1 = 0, .crn = 0, .crm = 6, .opc2 = 0,
.access = PL1_R, .type = ARM_CP_CONST,
.accessfn = access_aa64_tid3,
- .resetvalue = cpu->isar.id_aa64isar0 },
+ .resetvalue = GET_IDREG(isar, ID_AA64ISAR0)},
{ .name = "ID_AA64ISAR1_EL1", .state = ARM_CP_STATE_AA64,
.opc0 = 3, .opc1 = 0, .crn = 0, .crm = 6, .opc2 = 1,
.access = PL1_R, .type = ARM_CP_CONST,
diff --git a/target/arm/hvf/hvf.c b/target/arm/hvf/hvf.c
index 42258cc2d888..5d25260c5c36 100644
--- a/target/arm/hvf/hvf.c
+++ b/target/arm/hvf/hvf.c
@@ -19,6 +19,7 @@
#include "system/hw_accel.h"
#include "hvf_arm.h"
#include "cpregs.h"
+#include "cpu-sysregs.h"
#include <mach/mach_time.h>
@@ -866,7 +867,7 @@ static bool hvf_arm_get_host_cpu_features(ARMHostCPUFeatures *ahcf)
{ HV_SYS_REG_ID_AA64PFR1_EL1, &host_isar.id_aa64pfr1 },
{ HV_SYS_REG_ID_AA64DFR0_EL1, &host_isar.id_aa64dfr0 },
{ HV_SYS_REG_ID_AA64DFR1_EL1, &host_isar.id_aa64dfr1 },
- { HV_SYS_REG_ID_AA64ISAR0_EL1, &host_isar.id_aa64isar0 },
+ { HV_SYS_REG_ID_AA64ISAR0_EL1, &host_isar.idregs[ID_AA64ISAR0_EL1_IDX] },
{ HV_SYS_REG_ID_AA64ISAR1_EL1, &host_isar.id_aa64isar1 },
/* Add ID_AA64ISAR2_EL1 here when HVF supports it */
{ HV_SYS_REG_ID_AA64MMFR0_EL1, &host_isar.id_aa64mmfr0 },
diff --git a/target/arm/kvm.c b/target/arm/kvm.c
index 74fda8b80903..bd33b0f656ed 100644
--- a/target/arm/kvm.c
+++ b/target/arm/kvm.c
@@ -26,6 +26,7 @@
#include "system/kvm_int.h"
#include "kvm_arm.h"
#include "cpu.h"
+#include "cpu-sysregs.h"
#include "trace.h"
#include "internals.h"
#include "hw/pci/pci.h"
@@ -218,6 +219,28 @@ static bool kvm_arm_pauth_supported(void)
kvm_check_extension(kvm_state, KVM_CAP_ARM_PTRAUTH_GENERIC));
}
+
+static uint64_t idregs_sysreg_to_kvm_reg(ARMSysRegs sysreg)
+{
+ return ARM64_SYS_REG((sysreg & CP_REG_ARM64_SYSREG_OP0_MASK) >> CP_REG_ARM64_SYSREG_OP0_SHIFT,
+ (sysreg & CP_REG_ARM64_SYSREG_OP1_MASK) >> CP_REG_ARM64_SYSREG_OP1_SHIFT,
+ (sysreg & CP_REG_ARM64_SYSREG_CRN_MASK) >> CP_REG_ARM64_SYSREG_CRN_SHIFT,
+ (sysreg & CP_REG_ARM64_SYSREG_CRM_MASK) >> CP_REG_ARM64_SYSREG_CRM_SHIFT,
+ (sysreg & CP_REG_ARM64_SYSREG_OP2_MASK) >> CP_REG_ARM64_SYSREG_OP2_SHIFT);
+}
+
+/* read a sysreg value and store it in the idregs */
+static int get_host_cpu_reg(int fd, ARMHostCPUFeatures *ahcf, ARMIDRegisterIdx index)
+{
+ uint64_t *reg;
+ int ret;
+
+ reg = &ahcf->isar.idregs[index];
+ ret = read_sys_reg64(fd, reg,
+ idregs_sysreg_to_kvm_reg(id_register_sysreg[index]));
+ return ret;
+}
+
static bool kvm_arm_get_host_cpu_features(ARMHostCPUFeatures *ahcf)
{
/* Identify the feature bits corresponding to the host CPU, and
@@ -267,6 +290,7 @@ static bool kvm_arm_get_host_cpu_features(ARMHostCPUFeatures *ahcf)
ahcf->target = init.target;
ahcf->dtb_compatible = "arm,arm-v8";
+ int fd = fdarray[2];
err = read_sys_reg64(fdarray[2], &ahcf->isar.id_aa64pfr0,
ARM64_SYS_REG(3, 0, 0, 4, 0));
@@ -298,8 +322,7 @@ static bool kvm_arm_get_host_cpu_features(ARMHostCPUFeatures *ahcf)
ARM64_SYS_REG(3, 0, 0, 5, 0));
err |= read_sys_reg64(fdarray[2], &ahcf->isar.id_aa64dfr1,
ARM64_SYS_REG(3, 0, 0, 5, 1));
- err |= read_sys_reg64(fdarray[2], &ahcf->isar.id_aa64isar0,
- ARM64_SYS_REG(3, 0, 0, 6, 0));
+ err |= get_host_cpu_reg(fd, ahcf, ID_AA64ISAR0_EL1_IDX);
err |= read_sys_reg64(fdarray[2], &ahcf->isar.id_aa64isar1,
ARM64_SYS_REG(3, 0, 0, 6, 1));
err |= read_sys_reg64(fdarray[2], &ahcf->isar.id_aa64isar2,
@@ -408,8 +431,7 @@ static bool kvm_arm_get_host_cpu_features(ARMHostCPUFeatures *ahcf)
* enabled SVE support, which resulted in an error rather than RAZ.
* So only read the register if we set KVM_ARM_VCPU_SVE above.
*/
- err |= read_sys_reg64(fdarray[2], &ahcf->isar.id_aa64zfr0,
- ARM64_SYS_REG(3, 0, 0, 4, 4));
+ err |= get_host_cpu_reg(fd, ahcf, ID_AA64ZFR0_EL1_IDX);
}
}
diff --git a/target/arm/tcg/cpu64.c b/target/arm/tcg/cpu64.c
index 5d8ed2794d37..ed681ee08b0d 100644
--- a/target/arm/tcg/cpu64.c
+++ b/target/arm/tcg/cpu64.c
@@ -32,6 +32,7 @@
static void aarch64_a35_initfn(Object *obj)
{
ARMCPU *cpu = ARM_CPU(obj);
+ ARMISARegisters *isar = &cpu->isar;
cpu->dtb_compatible = "arm,cortex-a35";
set_feature(&cpu->env, ARM_FEATURE_V8);
@@ -66,7 +67,7 @@ static void aarch64_a35_initfn(Object *obj)
cpu->isar.id_aa64pfr1 = 0;
cpu->isar.id_aa64dfr0 = 0x10305106;
cpu->isar.id_aa64dfr1 = 0;
- cpu->isar.id_aa64isar0 = 0x00011120;
+ SET_IDREG(isar, ID_AA64ISAR0, 0x00011120);
cpu->isar.id_aa64isar1 = 0;
cpu->isar.id_aa64mmfr0 = 0x00101122;
cpu->isar.id_aa64mmfr1 = 0;
@@ -204,6 +205,7 @@ static const Property arm_cpu_lpa2_property =
static void aarch64_a55_initfn(Object *obj)
{
ARMCPU *cpu = ARM_CPU(obj);
+ ARMISARegisters *isar = &cpu->isar;
cpu->dtb_compatible = "arm,cortex-a55";
set_feature(&cpu->env, ARM_FEATURE_V8);
@@ -221,7 +223,7 @@ static void aarch64_a55_initfn(Object *obj)
cpu->ctr = 0x84448004; /* L1Ip = VIPT */
cpu->dcz_blocksize = 4; /* 64 bytes */
cpu->isar.id_aa64dfr0 = 0x0000000010305408ull;
- cpu->isar.id_aa64isar0 = 0x0000100010211120ull;
+ SET_IDREG(isar, ID_AA64ISAR0, 0x0000100010211120ull);
cpu->isar.id_aa64isar1 = 0x0000000000100001ull;
cpu->isar.id_aa64mmfr0 = 0x0000000000101122ull;
cpu->isar.id_aa64mmfr1 = 0x0000000010212122ull;
@@ -276,6 +278,7 @@ static void aarch64_a55_initfn(Object *obj)
static void aarch64_a72_initfn(Object *obj)
{
ARMCPU *cpu = ARM_CPU(obj);
+ ARMISARegisters *isar = &cpu->isar;
cpu->dtb_compatible = "arm,cortex-a72";
set_feature(&cpu->env, ARM_FEATURE_V8);
@@ -311,7 +314,7 @@ static void aarch64_a72_initfn(Object *obj)
cpu->isar.id_isar5 = 0x00011121;
cpu->isar.id_aa64pfr0 = 0x00002222;
cpu->isar.id_aa64dfr0 = 0x10305106;
- cpu->isar.id_aa64isar0 = 0x00011120;
+ SET_IDREG(isar, ID_AA64ISAR0, 0x00011120);
cpu->isar.id_aa64mmfr0 = 0x00001124;
cpu->isar.dbgdidr = 0x3516d000;
cpu->isar.dbgdevid = 0x01110f13;
@@ -335,6 +338,7 @@ static void aarch64_a72_initfn(Object *obj)
static void aarch64_a76_initfn(Object *obj)
{
ARMCPU *cpu = ARM_CPU(obj);
+ ARMISARegisters *isar = &cpu->isar;
cpu->dtb_compatible = "arm,cortex-a76";
set_feature(&cpu->env, ARM_FEATURE_V8);
@@ -352,7 +356,7 @@ static void aarch64_a76_initfn(Object *obj)
cpu->ctr = 0x8444C004;
cpu->dcz_blocksize = 4;
cpu->isar.id_aa64dfr0 = 0x0000000010305408ull;
- cpu->isar.id_aa64isar0 = 0x0000100010211120ull;
+ SET_IDREG(isar, ID_AA64ISAR0, 0x0000100010211120ull);
cpu->isar.id_aa64isar1 = 0x0000000000100001ull;
cpu->isar.id_aa64mmfr0 = 0x0000000000101122ull;
cpu->isar.id_aa64mmfr1 = 0x0000000010212122ull;
@@ -408,6 +412,7 @@ static void aarch64_a76_initfn(Object *obj)
static void aarch64_a64fx_initfn(Object *obj)
{
ARMCPU *cpu = ARM_CPU(obj);
+ ARMISARegisters *isar = &cpu->isar;
cpu->dtb_compatible = "arm,a64fx";
set_feature(&cpu->env, ARM_FEATURE_V8);
@@ -431,9 +436,9 @@ static void aarch64_a64fx_initfn(Object *obj)
cpu->isar.id_aa64mmfr0 = 0x0000000000001122;
cpu->isar.id_aa64mmfr1 = 0x0000000011212100;
cpu->isar.id_aa64mmfr2 = 0x0000000000001011;
- cpu->isar.id_aa64isar0 = 0x0000000010211120;
+ SET_IDREG(isar, ID_AA64ISAR0, 0x0000000010211120);
cpu->isar.id_aa64isar1 = 0x0000000000010001;
- cpu->isar.id_aa64zfr0 = 0x0000000000000000;
+ SET_IDREG(isar, ID_AA64ZFR0, 0x0000000000000000);
cpu->clidr = 0x0000000080000023;
/* 64KB L1 dcache */
cpu->ccsidr[0] = make_ccsidr(CCSIDR_FORMAT_LEGACY, 4, 256, 64 * KiB, 7);
@@ -581,6 +586,7 @@ static void define_neoverse_v1_cp_reginfo(ARMCPU *cpu)
static void aarch64_neoverse_n1_initfn(Object *obj)
{
ARMCPU *cpu = ARM_CPU(obj);
+ ARMISARegisters *isar = &cpu->isar;
cpu->dtb_compatible = "arm,neoverse-n1";
set_feature(&cpu->env, ARM_FEATURE_V8);
@@ -598,7 +604,7 @@ static void aarch64_neoverse_n1_initfn(Object *obj)
cpu->ctr = 0x8444c004;
cpu->dcz_blocksize = 4;
cpu->isar.id_aa64dfr0 = 0x0000000110305408ull;
- cpu->isar.id_aa64isar0 = 0x0000100010211120ull;
+ SET_IDREG(isar, ID_AA64ISAR0, 0x0000100010211120ull);
cpu->isar.id_aa64isar1 = 0x0000000000100001ull;
cpu->isar.id_aa64mmfr0 = 0x0000000000101125ull;
cpu->isar.id_aa64mmfr1 = 0x0000000010212122ull;
@@ -656,6 +662,7 @@ static void aarch64_neoverse_n1_initfn(Object *obj)
static void aarch64_neoverse_v1_initfn(Object *obj)
{
ARMCPU *cpu = ARM_CPU(obj);
+ ARMISARegisters *isar = &cpu->isar;
cpu->dtb_compatible = "arm,neoverse-v1";
set_feature(&cpu->env, ARM_FEATURE_V8);
@@ -676,7 +683,7 @@ static void aarch64_neoverse_v1_initfn(Object *obj)
cpu->id_aa64afr1 = 0x00000000;
cpu->isar.id_aa64dfr0 = 0x000001f210305519ull;
cpu->isar.id_aa64dfr1 = 0x00000000;
- cpu->isar.id_aa64isar0 = 0x1011111110212120ull; /* with FEAT_RNG */
+ SET_IDREG(isar, ID_AA64ISAR0, 0x1011111110212120ull); /* with FEAT_RNG */
cpu->isar.id_aa64isar1 = 0x0011100001211032ull;
cpu->isar.id_aa64mmfr0 = 0x0000000000101125ull;
cpu->isar.id_aa64mmfr1 = 0x0000000010212122ull;
@@ -735,7 +742,7 @@ static void aarch64_neoverse_v1_initfn(Object *obj)
cpu->isar.mvfr2 = 0x00000043;
/* From 3.7.5 ID_AA64ZFR0_EL1 */
- cpu->isar.id_aa64zfr0 = 0x0000100000100000;
+ SET_IDREG(isar, ID_AA64ZFR0, 0x0000100000100000);
cpu->sve_vq.supported = (1 << 0) /* 128bit */
| (1 << 1); /* 256bit */
@@ -882,6 +889,7 @@ static const ARMCPRegInfo cortex_a710_cp_reginfo[] = {
static void aarch64_a710_initfn(Object *obj)
{
ARMCPU *cpu = ARM_CPU(obj);
+ ARMISARegisters *isar = &cpu->isar;
cpu->dtb_compatible = "arm,cortex-a710";
set_feature(&cpu->env, ARM_FEATURE_V8);
@@ -919,12 +927,12 @@ static void aarch64_a710_initfn(Object *obj)
cpu->isar.id_pfr2 = 0x00000011;
cpu->isar.id_aa64pfr0 = 0x1201111120111112ull; /* GIC filled in later */
cpu->isar.id_aa64pfr1 = 0x0000000000000221ull;
- cpu->isar.id_aa64zfr0 = 0x0000110100110021ull; /* with Crypto */
+ SET_IDREG(isar, ID_AA64ZFR0, 0x0000110100110021ull); /* with Crypto */
cpu->isar.id_aa64dfr0 = 0x000011f010305619ull;
cpu->isar.id_aa64dfr1 = 0;
cpu->id_aa64afr0 = 0;
cpu->id_aa64afr1 = 0;
- cpu->isar.id_aa64isar0 = 0x0221111110212120ull; /* with Crypto */
+ SET_IDREG(isar, ID_AA64ISAR0, 0x0221111110212120ull); /* with Crypto */
cpu->isar.id_aa64isar1 = 0x0010111101211052ull;
cpu->isar.id_aa64mmfr0 = 0x0000022200101122ull;
cpu->isar.id_aa64mmfr1 = 0x0000000010212122ull;
@@ -983,6 +991,7 @@ static const ARMCPRegInfo neoverse_n2_cp_reginfo[] = {
static void aarch64_neoverse_n2_initfn(Object *obj)
{
ARMCPU *cpu = ARM_CPU(obj);
+ ARMISARegisters *isar = &cpu->isar;
cpu->dtb_compatible = "arm,neoverse-n2";
set_feature(&cpu->env, ARM_FEATURE_V8);
@@ -1020,12 +1029,12 @@ static void aarch64_neoverse_n2_initfn(Object *obj)
cpu->isar.id_pfr2 = 0x00000011;
cpu->isar.id_aa64pfr0 = 0x1201111120111112ull; /* GIC filled in later */
cpu->isar.id_aa64pfr1 = 0x0000000000000221ull;
- cpu->isar.id_aa64zfr0 = 0x0000110100110021ull; /* with Crypto */
+ SET_IDREG(isar, ID_AA64ZFR0, 0x0000110100110021ull); /* with Crypto */
cpu->isar.id_aa64dfr0 = 0x000011f210305619ull;
cpu->isar.id_aa64dfr1 = 0;
cpu->id_aa64afr0 = 0;
cpu->id_aa64afr1 = 0;
- cpu->isar.id_aa64isar0 = 0x1221111110212120ull; /* with Crypto and FEAT_RNG */
+ SET_IDREG(isar, ID_AA64ISAR0, 0x1221111110212120ull); /* with Crypto and FEAT_RNG */
cpu->isar.id_aa64isar1 = 0x0011111101211052ull;
cpu->isar.id_aa64mmfr0 = 0x0000022200101125ull;
cpu->isar.id_aa64mmfr1 = 0x0000000010212122ull;
@@ -1083,6 +1092,7 @@ static void aarch64_neoverse_n2_initfn(Object *obj)
void aarch64_max_tcg_initfn(Object *obj)
{
ARMCPU *cpu = ARM_CPU(obj);
+ ARMISARegisters *isar = &cpu->isar;
uint64_t t;
uint32_t u;
@@ -1133,7 +1143,7 @@ void aarch64_max_tcg_initfn(Object *obj)
t = FIELD_DP64(t, CTR_EL0, DIC, 1);
cpu->ctr = t;
- t = cpu->isar.id_aa64isar0;
+ t = GET_IDREG(isar, ID_AA64ISAR0);
t = FIELD_DP64(t, ID_AA64ISAR0, AES, 2); /* FEAT_PMULL */
t = FIELD_DP64(t, ID_AA64ISAR0, SHA1, 1); /* FEAT_SHA1 */
t = FIELD_DP64(t, ID_AA64ISAR0, SHA2, 2); /* FEAT_SHA512 */
@@ -1148,7 +1158,7 @@ void aarch64_max_tcg_initfn(Object *obj)
t = FIELD_DP64(t, ID_AA64ISAR0, TS, 2); /* FEAT_FlagM2 */
t = FIELD_DP64(t, ID_AA64ISAR0, TLB, 2); /* FEAT_TLBIRANGE */
t = FIELD_DP64(t, ID_AA64ISAR0, RNDR, 1); /* FEAT_RNG */
- cpu->isar.id_aa64isar0 = t;
+ SET_IDREG(isar, ID_AA64ISAR0, t);
t = cpu->isar.id_aa64isar1;
t = FIELD_DP64(t, ID_AA64ISAR1, DPB, 2); /* FEAT_DPB2 */
@@ -1244,7 +1254,7 @@ void aarch64_max_tcg_initfn(Object *obj)
t = FIELD_DP64(t, ID_AA64MMFR3, SPEC_FPACC, 1); /* FEAT_FPACC_SPEC */
cpu->isar.id_aa64mmfr3 = t;
- t = cpu->isar.id_aa64zfr0;
+ t = GET_IDREG(isar, ID_AA64ZFR0);
t = FIELD_DP64(t, ID_AA64ZFR0, SVEVER, 1);
t = FIELD_DP64(t, ID_AA64ZFR0, AES, 2); /* FEAT_SVE_PMULL128 */
t = FIELD_DP64(t, ID_AA64ZFR0, BITPERM, 1); /* FEAT_SVE_BitPerm */
@@ -1254,7 +1264,7 @@ void aarch64_max_tcg_initfn(Object *obj)
t = FIELD_DP64(t, ID_AA64ZFR0, I8MM, 1); /* FEAT_I8MM */
t = FIELD_DP64(t, ID_AA64ZFR0, F32MM, 1); /* FEAT_F32MM */
t = FIELD_DP64(t, ID_AA64ZFR0, F64MM, 1); /* FEAT_F64MM */
- cpu->isar.id_aa64zfr0 = t;
+ SET_IDREG(isar, ID_AA64ZFR0, t);
t = cpu->isar.id_aa64dfr0;
t = FIELD_DP64(t, ID_AA64DFR0, DEBUGVER, 10); /* FEAT_Debugv8p8 */
--
2.49.0
^ permalink raw reply related [flat|nested] 30+ messages in thread
* [PATCH v8 03/14] arm/cpu: Store aa64isar1/2 into the idregs array
2025-06-17 15:39 [PATCH v8 00/14] arm: rework id register storage Cornelia Huck
2025-06-17 15:39 ` [PATCH v8 01/14] arm/cpu: Add sysreg definitions in cpu-sysregs.h Cornelia Huck
2025-06-17 15:39 ` [PATCH v8 02/14] arm/cpu: Store aa64isar0/aa64zfr0 into the idregs arrays Cornelia Huck
@ 2025-06-17 15:39 ` Cornelia Huck
2025-06-17 15:39 ` [PATCH v8 04/14] arm/cpu: Store aa64pfr0/1 " Cornelia Huck
` (13 subsequent siblings)
16 siblings, 0 replies; 30+ messages in thread
From: Cornelia Huck @ 2025-06-17 15:39 UTC (permalink / raw)
To: eric.auger.pro, eric.auger, qemu-devel, qemu-arm, kvmarm,
peter.maydell, richard.henderson, alex.bennee, maz, oliver.upton,
sebott, shameerali.kolothum.thodi, armbru, berrange, abologna,
jdenemar, agraf
Cc: shahuang, mark.rutland, philmd, pbonzini, Cornelia Huck
From: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Sebastian Ott <sebott@redhat.com>
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
---
target/arm/cpu-features.h | 44 +++++++++++++++++++--------------------
target/arm/cpu.c | 13 ++++--------
target/arm/cpu.h | 2 --
target/arm/cpu64.c | 9 ++++----
target/arm/helper.c | 4 ++--
target/arm/hvf/hvf.c | 2 +-
target/arm/kvm.c | 6 ++----
target/arm/tcg/cpu64.c | 24 ++++++++++-----------
8 files changed, 48 insertions(+), 56 deletions(-)
diff --git a/target/arm/cpu-features.h b/target/arm/cpu-features.h
index 6a47f1a6d222..43c9695be0d0 100644
--- a/target/arm/cpu-features.h
+++ b/target/arm/cpu-features.h
@@ -468,17 +468,17 @@ static inline bool isar_feature_aa64_tlbios(const ARMISARegisters *id)
static inline bool isar_feature_aa64_jscvt(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, JSCVT) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ISAR1, JSCVT) != 0;
}
static inline bool isar_feature_aa64_fcma(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, FCMA) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ISAR1, FCMA) != 0;
}
static inline bool isar_feature_aa64_xs(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, XS) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ISAR1, XS) != 0;
}
/*
@@ -502,9 +502,9 @@ isar_feature_pauth_feature(const ARMISARegisters *id)
* Architecturally, only one of {APA,API,APA3} may be active (non-zero)
* and the other two must be zero. Thus we may avoid conditionals.
*/
- return (FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, APA) |
- FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, API) |
- FIELD_EX64(id->id_aa64isar2, ID_AA64ISAR2, APA3));
+ return (FIELD_EX64_IDREG(id, ID_AA64ISAR1, APA) |
+ FIELD_EX64_IDREG(id, ID_AA64ISAR1, API) |
+ FIELD_EX64_IDREG(id, ID_AA64ISAR2, APA3));
}
static inline bool isar_feature_aa64_pauth(const ARMISARegisters *id)
@@ -522,7 +522,7 @@ static inline bool isar_feature_aa64_pauth_qarma5(const ARMISARegisters *id)
* Return true if pauth is enabled with the architected QARMA5 algorithm.
* QEMU will always enable or disable both APA and GPA.
*/
- return FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, APA) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ISAR1, APA) != 0;
}
static inline bool isar_feature_aa64_pauth_qarma3(const ARMISARegisters *id)
@@ -531,77 +531,77 @@ static inline bool isar_feature_aa64_pauth_qarma3(const ARMISARegisters *id)
* Return true if pauth is enabled with the architected QARMA3 algorithm.
* QEMU will always enable or disable both APA3 and GPA3.
*/
- return FIELD_EX64(id->id_aa64isar2, ID_AA64ISAR2, APA3) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ISAR2, APA3) != 0;
}
static inline bool isar_feature_aa64_sb(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, SB) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ISAR1, SB) != 0;
}
static inline bool isar_feature_aa64_predinv(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, SPECRES) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ISAR1, SPECRES) != 0;
}
static inline bool isar_feature_aa64_frint(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, FRINTTS) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ISAR1, FRINTTS) != 0;
}
static inline bool isar_feature_aa64_dcpop(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, DPB) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ISAR1, DPB) != 0;
}
static inline bool isar_feature_aa64_dcpodp(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, DPB) >= 2;
+ return FIELD_EX64_IDREG(id, ID_AA64ISAR1, DPB) >= 2;
}
static inline bool isar_feature_aa64_bf16(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, BF16) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ISAR1, BF16) != 0;
}
static inline bool isar_feature_aa64_ebf16(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, BF16) > 1;
+ return FIELD_EX64_IDREG(id, ID_AA64ISAR1, BF16) > 1;
}
static inline bool isar_feature_aa64_rcpc_8_3(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, LRCPC) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ISAR1, LRCPC) != 0;
}
static inline bool isar_feature_aa64_rcpc_8_4(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, LRCPC) >= 2;
+ return FIELD_EX64_IDREG(id, ID_AA64ISAR1, LRCPC) >= 2;
}
static inline bool isar_feature_aa64_i8mm(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, I8MM) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ISAR1, I8MM) != 0;
}
static inline bool isar_feature_aa64_wfxt(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64isar2, ID_AA64ISAR2, WFXT) >= 2;
+ return FIELD_EX64_IDREG(id, ID_AA64ISAR2, WFXT) >= 2;
}
static inline bool isar_feature_aa64_hbc(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64isar2, ID_AA64ISAR2, BC) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64ISAR2, BC) != 0;
}
static inline bool isar_feature_aa64_mops(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64isar2, ID_AA64ISAR2, MOPS);
+ return FIELD_EX64_IDREG(id, ID_AA64ISAR2, MOPS);
}
static inline bool isar_feature_aa64_rpres(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64isar2, ID_AA64ISAR2, RPRES);
+ return FIELD_EX64_IDREG(id, ID_AA64ISAR2, RPRES);
}
static inline bool isar_feature_aa64_fp_simd(const ARMISARegisters *id)
diff --git a/target/arm/cpu.c b/target/arm/cpu.c
index f033411b5dad..2777de729445 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -2123,9 +2123,7 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
uint64_t t;
uint32_t u;
- t = cpu->isar.id_aa64isar1;
- t = FIELD_DP64(t, ID_AA64ISAR1, JSCVT, 0);
- cpu->isar.id_aa64isar1 = t;
+ FIELD_DP64_IDREG(isar, ID_AA64ISAR1, JSCVT, 0);
t = cpu->isar.id_aa64pfr0;
t = FIELD_DP64(t, ID_AA64PFR0, FP, 0xf);
@@ -2178,11 +2176,11 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
t = FIELD_DP64(t, ID_AA64ISAR0, DP, 0);
SET_IDREG(isar, ID_AA64ISAR0, t);
- t = cpu->isar.id_aa64isar1;
+ t = GET_IDREG(isar, ID_AA64ISAR1);
t = FIELD_DP64(t, ID_AA64ISAR1, FCMA, 0);
t = FIELD_DP64(t, ID_AA64ISAR1, BF16, 0);
t = FIELD_DP64(t, ID_AA64ISAR1, I8MM, 0);
- cpu->isar.id_aa64isar1 = t;
+ SET_IDREG(isar, ID_AA64ISAR1, t);
t = cpu->isar.id_aa64pfr0;
t = FIELD_DP64(t, ID_AA64PFR0, ADVSIMD, 0xf);
@@ -2218,14 +2216,11 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
}
if (!cpu->has_neon && !cpu->has_vfp) {
- uint64_t t;
uint32_t u;
FIELD_DP64_IDREG(isar, ID_AA64ISAR0, FHM, 0);
- t = cpu->isar.id_aa64isar1;
- t = FIELD_DP64(t, ID_AA64ISAR1, FRINTTS, 0);
- cpu->isar.id_aa64isar1 = t;
+ FIELD_DP64_IDREG(isar, ID_AA64ISAR1, FRINTTS, 0);
u = cpu->isar.mvfr0;
u = FIELD_DP32(u, MVFR0, SIMDREG, 0);
diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index 7b5c7a4abc7e..b81bc46966f5 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -1074,8 +1074,6 @@ struct ArchCPU {
uint32_t dbgdidr;
uint32_t dbgdevid;
uint32_t dbgdevid1;
- uint64_t id_aa64isar1;
- uint64_t id_aa64isar2;
uint64_t id_aa64pfr0;
uint64_t id_aa64pfr1;
uint64_t id_aa64mmfr0;
diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c
index c105fcc4ea57..e2b25b004311 100644
--- a/target/arm/cpu64.c
+++ b/target/arm/cpu64.c
@@ -502,6 +502,7 @@ void aarch64_add_sme_properties(Object *obj)
void arm_cpu_pauth_finalize(ARMCPU *cpu, Error **errp)
{
ARMPauthFeature features = cpu_isar_feature(pauth_feature, cpu);
+ ARMISARegisters *isar = &cpu->isar;
uint64_t isar1, isar2;
/*
@@ -512,13 +513,13 @@ void arm_cpu_pauth_finalize(ARMCPU *cpu, Error **errp)
*
* Begin by disabling all fields.
*/
- isar1 = cpu->isar.id_aa64isar1;
+ isar1 = GET_IDREG(isar, ID_AA64ISAR1);
isar1 = FIELD_DP64(isar1, ID_AA64ISAR1, APA, 0);
isar1 = FIELD_DP64(isar1, ID_AA64ISAR1, GPA, 0);
isar1 = FIELD_DP64(isar1, ID_AA64ISAR1, API, 0);
isar1 = FIELD_DP64(isar1, ID_AA64ISAR1, GPI, 0);
- isar2 = cpu->isar.id_aa64isar2;
+ isar2 = GET_IDREG(isar, ID_AA64ISAR2);
isar2 = FIELD_DP64(isar2, ID_AA64ISAR2, APA3, 0);
isar2 = FIELD_DP64(isar2, ID_AA64ISAR2, GPA3, 0);
@@ -580,8 +581,8 @@ void arm_cpu_pauth_finalize(ARMCPU *cpu, Error **errp)
}
}
- cpu->isar.id_aa64isar1 = isar1;
- cpu->isar.id_aa64isar2 = isar2;
+ SET_IDREG(isar, ID_AA64ISAR1, isar1);
+ SET_IDREG(isar, ID_AA64ISAR2, isar2);
}
static const Property arm_cpu_pauth_property =
diff --git a/target/arm/helper.c b/target/arm/helper.c
index 2457c8853c60..2caaa49b91f9 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -8008,12 +8008,12 @@ void register_cp_regs_for_features(ARMCPU *cpu)
.opc0 = 3, .opc1 = 0, .crn = 0, .crm = 6, .opc2 = 1,
.access = PL1_R, .type = ARM_CP_CONST,
.accessfn = access_aa64_tid3,
- .resetvalue = cpu->isar.id_aa64isar1 },
+ .resetvalue = GET_IDREG(isar, ID_AA64ISAR1)},
{ .name = "ID_AA64ISAR2_EL1", .state = ARM_CP_STATE_AA64,
.opc0 = 3, .opc1 = 0, .crn = 0, .crm = 6, .opc2 = 2,
.access = PL1_R, .type = ARM_CP_CONST,
.accessfn = access_aa64_tid3,
- .resetvalue = cpu->isar.id_aa64isar2 },
+ .resetvalue = GET_IDREG(isar, ID_AA64ISAR2)},
{ .name = "ID_AA64ISAR3_EL1_RESERVED", .state = ARM_CP_STATE_AA64,
.opc0 = 3, .opc1 = 0, .crn = 0, .crm = 6, .opc2 = 3,
.access = PL1_R, .type = ARM_CP_CONST,
diff --git a/target/arm/hvf/hvf.c b/target/arm/hvf/hvf.c
index 5d25260c5c36..7554282410f1 100644
--- a/target/arm/hvf/hvf.c
+++ b/target/arm/hvf/hvf.c
@@ -868,7 +868,7 @@ static bool hvf_arm_get_host_cpu_features(ARMHostCPUFeatures *ahcf)
{ HV_SYS_REG_ID_AA64DFR0_EL1, &host_isar.id_aa64dfr0 },
{ HV_SYS_REG_ID_AA64DFR1_EL1, &host_isar.id_aa64dfr1 },
{ HV_SYS_REG_ID_AA64ISAR0_EL1, &host_isar.idregs[ID_AA64ISAR0_EL1_IDX] },
- { HV_SYS_REG_ID_AA64ISAR1_EL1, &host_isar.id_aa64isar1 },
+ { HV_SYS_REG_ID_AA64ISAR1_EL1, &host_isar.idregs[ID_AA64ISAR1_EL1_IDX] },
/* Add ID_AA64ISAR2_EL1 here when HVF supports it */
{ HV_SYS_REG_ID_AA64MMFR0_EL1, &host_isar.id_aa64mmfr0 },
{ HV_SYS_REG_ID_AA64MMFR1_EL1, &host_isar.id_aa64mmfr1 },
diff --git a/target/arm/kvm.c b/target/arm/kvm.c
index bd33b0f656ed..6fa5bdff42a2 100644
--- a/target/arm/kvm.c
+++ b/target/arm/kvm.c
@@ -323,10 +323,8 @@ static bool kvm_arm_get_host_cpu_features(ARMHostCPUFeatures *ahcf)
err |= read_sys_reg64(fdarray[2], &ahcf->isar.id_aa64dfr1,
ARM64_SYS_REG(3, 0, 0, 5, 1));
err |= get_host_cpu_reg(fd, ahcf, ID_AA64ISAR0_EL1_IDX);
- err |= read_sys_reg64(fdarray[2], &ahcf->isar.id_aa64isar1,
- ARM64_SYS_REG(3, 0, 0, 6, 1));
- err |= read_sys_reg64(fdarray[2], &ahcf->isar.id_aa64isar2,
- ARM64_SYS_REG(3, 0, 0, 6, 2));
+ err |= get_host_cpu_reg(fd, ahcf, ID_AA64ISAR1_EL1_IDX);
+ err |= get_host_cpu_reg(fd, ahcf, ID_AA64ISAR2_EL1_IDX);
err |= read_sys_reg64(fdarray[2], &ahcf->isar.id_aa64mmfr0,
ARM64_SYS_REG(3, 0, 0, 7, 0));
err |= read_sys_reg64(fdarray[2], &ahcf->isar.id_aa64mmfr1,
diff --git a/target/arm/tcg/cpu64.c b/target/arm/tcg/cpu64.c
index ed681ee08b0d..917502647246 100644
--- a/target/arm/tcg/cpu64.c
+++ b/target/arm/tcg/cpu64.c
@@ -68,7 +68,7 @@ static void aarch64_a35_initfn(Object *obj)
cpu->isar.id_aa64dfr0 = 0x10305106;
cpu->isar.id_aa64dfr1 = 0;
SET_IDREG(isar, ID_AA64ISAR0, 0x00011120);
- cpu->isar.id_aa64isar1 = 0;
+ SET_IDREG(isar, ID_AA64ISAR1, 0);
cpu->isar.id_aa64mmfr0 = 0x00101122;
cpu->isar.id_aa64mmfr1 = 0;
cpu->clidr = 0x0a200023;
@@ -224,7 +224,7 @@ static void aarch64_a55_initfn(Object *obj)
cpu->dcz_blocksize = 4; /* 64 bytes */
cpu->isar.id_aa64dfr0 = 0x0000000010305408ull;
SET_IDREG(isar, ID_AA64ISAR0, 0x0000100010211120ull);
- cpu->isar.id_aa64isar1 = 0x0000000000100001ull;
+ SET_IDREG(isar, ID_AA64ISAR1, 0x0000000000100001ull);
cpu->isar.id_aa64mmfr0 = 0x0000000000101122ull;
cpu->isar.id_aa64mmfr1 = 0x0000000010212122ull;
cpu->isar.id_aa64mmfr2 = 0x0000000000001011ull;
@@ -357,7 +357,7 @@ static void aarch64_a76_initfn(Object *obj)
cpu->dcz_blocksize = 4;
cpu->isar.id_aa64dfr0 = 0x0000000010305408ull;
SET_IDREG(isar, ID_AA64ISAR0, 0x0000100010211120ull);
- cpu->isar.id_aa64isar1 = 0x0000000000100001ull;
+ SET_IDREG(isar, ID_AA64ISAR1, 0x0000000000100001ull);
cpu->isar.id_aa64mmfr0 = 0x0000000000101122ull;
cpu->isar.id_aa64mmfr1 = 0x0000000010212122ull;
cpu->isar.id_aa64mmfr2 = 0x0000000000001011ull;
@@ -437,7 +437,7 @@ static void aarch64_a64fx_initfn(Object *obj)
cpu->isar.id_aa64mmfr1 = 0x0000000011212100;
cpu->isar.id_aa64mmfr2 = 0x0000000000001011;
SET_IDREG(isar, ID_AA64ISAR0, 0x0000000010211120);
- cpu->isar.id_aa64isar1 = 0x0000000000010001;
+ SET_IDREG(isar, ID_AA64ISAR1, 0x0000000000010001);
SET_IDREG(isar, ID_AA64ZFR0, 0x0000000000000000);
cpu->clidr = 0x0000000080000023;
/* 64KB L1 dcache */
@@ -605,7 +605,7 @@ static void aarch64_neoverse_n1_initfn(Object *obj)
cpu->dcz_blocksize = 4;
cpu->isar.id_aa64dfr0 = 0x0000000110305408ull;
SET_IDREG(isar, ID_AA64ISAR0, 0x0000100010211120ull);
- cpu->isar.id_aa64isar1 = 0x0000000000100001ull;
+ SET_IDREG(isar, ID_AA64ISAR1, 0x0000000000100001ull);
cpu->isar.id_aa64mmfr0 = 0x0000000000101125ull;
cpu->isar.id_aa64mmfr1 = 0x0000000010212122ull;
cpu->isar.id_aa64mmfr2 = 0x0000000000001011ull;
@@ -684,7 +684,7 @@ static void aarch64_neoverse_v1_initfn(Object *obj)
cpu->isar.id_aa64dfr0 = 0x000001f210305519ull;
cpu->isar.id_aa64dfr1 = 0x00000000;
SET_IDREG(isar, ID_AA64ISAR0, 0x1011111110212120ull); /* with FEAT_RNG */
- cpu->isar.id_aa64isar1 = 0x0011100001211032ull;
+ SET_IDREG(isar, ID_AA64ISAR1, 0x0011000001211032ull);
cpu->isar.id_aa64mmfr0 = 0x0000000000101125ull;
cpu->isar.id_aa64mmfr1 = 0x0000000010212122ull;
cpu->isar.id_aa64mmfr2 = 0x0220011102101011ull;
@@ -933,7 +933,7 @@ static void aarch64_a710_initfn(Object *obj)
cpu->id_aa64afr0 = 0;
cpu->id_aa64afr1 = 0;
SET_IDREG(isar, ID_AA64ISAR0, 0x0221111110212120ull); /* with Crypto */
- cpu->isar.id_aa64isar1 = 0x0010111101211052ull;
+ SET_IDREG(isar, ID_AA64ISAR1, 0x0010111101211052ull);
cpu->isar.id_aa64mmfr0 = 0x0000022200101122ull;
cpu->isar.id_aa64mmfr1 = 0x0000000010212122ull;
cpu->isar.id_aa64mmfr2 = 0x1221011110101011ull;
@@ -1035,7 +1035,7 @@ static void aarch64_neoverse_n2_initfn(Object *obj)
cpu->id_aa64afr0 = 0;
cpu->id_aa64afr1 = 0;
SET_IDREG(isar, ID_AA64ISAR0, 0x1221111110212120ull); /* with Crypto and FEAT_RNG */
- cpu->isar.id_aa64isar1 = 0x0011111101211052ull;
+ SET_IDREG(isar, ID_AA64ISAR1, 0x0011111101211052ull);
cpu->isar.id_aa64mmfr0 = 0x0000022200101125ull;
cpu->isar.id_aa64mmfr1 = 0x0000000010212122ull;
cpu->isar.id_aa64mmfr2 = 0x1221011112101011ull;
@@ -1160,7 +1160,7 @@ void aarch64_max_tcg_initfn(Object *obj)
t = FIELD_DP64(t, ID_AA64ISAR0, RNDR, 1); /* FEAT_RNG */
SET_IDREG(isar, ID_AA64ISAR0, t);
- t = cpu->isar.id_aa64isar1;
+ t = GET_IDREG(isar, ID_AA64ISAR1);
t = FIELD_DP64(t, ID_AA64ISAR1, DPB, 2); /* FEAT_DPB2 */
t = FIELD_DP64(t, ID_AA64ISAR1, APA, PauthFeat_FPACCOMBINED);
t = FIELD_DP64(t, ID_AA64ISAR1, API, 1);
@@ -1174,14 +1174,14 @@ void aarch64_max_tcg_initfn(Object *obj)
t = FIELD_DP64(t, ID_AA64ISAR1, DGH, 1); /* FEAT_DGH */
t = FIELD_DP64(t, ID_AA64ISAR1, I8MM, 1); /* FEAT_I8MM */
t = FIELD_DP64(t, ID_AA64ISAR1, XS, 1); /* FEAT_XS */
- cpu->isar.id_aa64isar1 = t;
+ SET_IDREG(isar, ID_AA64ISAR1, t);
- t = cpu->isar.id_aa64isar2;
+ t = GET_IDREG(isar, ID_AA64ISAR2);
t = FIELD_DP64(t, ID_AA64ISAR2, RPRES, 1); /* FEAT_RPRES */
t = FIELD_DP64(t, ID_AA64ISAR2, MOPS, 1); /* FEAT_MOPS */
t = FIELD_DP64(t, ID_AA64ISAR2, BC, 1); /* FEAT_HBC */
t = FIELD_DP64(t, ID_AA64ISAR2, WFXT, 2); /* FEAT_WFxT */
- cpu->isar.id_aa64isar2 = t;
+ SET_IDREG(isar, ID_AA64ISAR2, t);
t = cpu->isar.id_aa64pfr0;
t = FIELD_DP64(t, ID_AA64PFR0, FP, 1); /* FEAT_FP16 */
--
2.49.0
^ permalink raw reply related [flat|nested] 30+ messages in thread
* [PATCH v8 04/14] arm/cpu: Store aa64pfr0/1 into the idregs array
2025-06-17 15:39 [PATCH v8 00/14] arm: rework id register storage Cornelia Huck
` (2 preceding siblings ...)
2025-06-17 15:39 ` [PATCH v8 03/14] arm/cpu: Store aa64isar1/2 into the idregs array Cornelia Huck
@ 2025-06-17 15:39 ` Cornelia Huck
2025-06-17 15:39 ` [PATCH v8 05/14] arm/cpu: Store aa64mmfr0-3 " Cornelia Huck
` (12 subsequent siblings)
16 siblings, 0 replies; 30+ messages in thread
From: Cornelia Huck @ 2025-06-17 15:39 UTC (permalink / raw)
To: eric.auger.pro, eric.auger, qemu-devel, qemu-arm, kvmarm,
peter.maydell, richard.henderson, alex.bennee, maz, oliver.upton,
sebott, shameerali.kolothum.thodi, armbru, berrange, abologna,
jdenemar, agraf
Cc: shahuang, mark.rutland, philmd, pbonzini, Cornelia Huck
From: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Sebastian Ott <sebott@redhat.com>
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
---
target/arm/cpu-features.h | 40 ++++++++++++++++-----------------
target/arm/cpu.c | 29 ++++++++----------------
target/arm/cpu.h | 2 --
target/arm/cpu64.c | 14 ++++--------
target/arm/helper.c | 6 ++---
target/arm/hvf/hvf.c | 9 ++++----
target/arm/kvm.c | 12 +++++-----
target/arm/tcg/cpu64.c | 47 ++++++++++++++++++---------------------
8 files changed, 68 insertions(+), 91 deletions(-)
diff --git a/target/arm/cpu-features.h b/target/arm/cpu-features.h
index 43c9695be0d0..3adea85b79b7 100644
--- a/target/arm/cpu-features.h
+++ b/target/arm/cpu-features.h
@@ -607,68 +607,68 @@ static inline bool isar_feature_aa64_rpres(const ARMISARegisters *id)
static inline bool isar_feature_aa64_fp_simd(const ARMISARegisters *id)
{
/* We always set the AdvSIMD and FP fields identically. */
- return FIELD_EX64(id->id_aa64pfr0, ID_AA64PFR0, FP) != 0xf;
+ return FIELD_EX64_IDREG(id, ID_AA64PFR0, FP) != 0xf;
}
static inline bool isar_feature_aa64_fp16(const ARMISARegisters *id)
{
/* We always set the AdvSIMD and FP fields identically wrt FP16. */
- return FIELD_EX64(id->id_aa64pfr0, ID_AA64PFR0, FP) == 1;
+ return FIELD_EX64_IDREG(id, ID_AA64PFR0, FP) == 1;
}
static inline bool isar_feature_aa64_aa32(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64pfr0, ID_AA64PFR0, EL0) >= 2;
+ return FIELD_EX64_IDREG(id, ID_AA64PFR0, EL0) >= 2;
}
static inline bool isar_feature_aa64_aa32_el1(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64pfr0, ID_AA64PFR0, EL1) >= 2;
+ return FIELD_EX64_IDREG(id, ID_AA64PFR0, EL1) >= 2;
}
static inline bool isar_feature_aa64_aa32_el2(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64pfr0, ID_AA64PFR0, EL2) >= 2;
+ return FIELD_EX64_IDREG(id, ID_AA64PFR0, EL2) >= 2;
}
static inline bool isar_feature_aa64_ras(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64pfr0, ID_AA64PFR0, RAS) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64PFR0, RAS) != 0;
}
static inline bool isar_feature_aa64_doublefault(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64pfr0, ID_AA64PFR0, RAS) >= 2;
+ return FIELD_EX64_IDREG(id, ID_AA64PFR0, RAS) >= 2;
}
static inline bool isar_feature_aa64_sve(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64pfr0, ID_AA64PFR0, SVE) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64PFR0, SVE) != 0;
}
static inline bool isar_feature_aa64_sel2(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64pfr0, ID_AA64PFR0, SEL2) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64PFR0, SEL2) != 0;
}
static inline bool isar_feature_aa64_rme(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64pfr0, ID_AA64PFR0, RME) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64PFR0, RME) != 0;
}
static inline bool isar_feature_aa64_dit(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64pfr0, ID_AA64PFR0, DIT) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64PFR0, DIT) != 0;
}
static inline bool isar_feature_aa64_scxtnum(const ARMISARegisters *id)
{
- int key = FIELD_EX64(id->id_aa64pfr0, ID_AA64PFR0, CSV2);
+ int key = FIELD_EX64_IDREG(id, ID_AA64PFR0, CSV2);
if (key >= 2) {
return true; /* FEAT_CSV2_2 */
}
if (key == 1) {
- key = FIELD_EX64(id->id_aa64pfr1, ID_AA64PFR1, CSV2_FRAC);
+ key = FIELD_EX64_IDREG(id, ID_AA64PFR1, CSV2_FRAC);
return key >= 2; /* FEAT_CSV2_1p2 */
}
return false;
@@ -676,37 +676,37 @@ static inline bool isar_feature_aa64_scxtnum(const ARMISARegisters *id)
static inline bool isar_feature_aa64_ssbs(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64pfr1, ID_AA64PFR1, SSBS) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64PFR1, SSBS) != 0;
}
static inline bool isar_feature_aa64_bti(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64pfr1, ID_AA64PFR1, BT) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64PFR1, BT) != 0;
}
static inline bool isar_feature_aa64_mte_insn_reg(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64pfr1, ID_AA64PFR1, MTE) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64PFR1, MTE) != 0;
}
static inline bool isar_feature_aa64_mte(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64pfr1, ID_AA64PFR1, MTE) >= 2;
+ return FIELD_EX64_IDREG(id, ID_AA64PFR1, MTE) >= 2;
}
static inline bool isar_feature_aa64_mte3(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64pfr1, ID_AA64PFR1, MTE) >= 3;
+ return FIELD_EX64_IDREG(id, ID_AA64PFR1, MTE) >= 3;
}
static inline bool isar_feature_aa64_sme(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64pfr1, ID_AA64PFR1, SME) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64PFR1, SME) != 0;
}
static inline bool isar_feature_aa64_nmi(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64pfr1, ID_AA64PFR1, NMI) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64PFR1, NMI) != 0;
}
static inline bool isar_feature_aa64_tgran4_lpa2(const ARMISARegisters *id)
diff --git a/target/arm/cpu.c b/target/arm/cpu.c
index 2777de729445..d39e8dc95604 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -2120,14 +2120,11 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
}
if (!cpu->has_vfp) {
- uint64_t t;
uint32_t u;
FIELD_DP64_IDREG(isar, ID_AA64ISAR1, JSCVT, 0);
- t = cpu->isar.id_aa64pfr0;
- t = FIELD_DP64(t, ID_AA64PFR0, FP, 0xf);
- cpu->isar.id_aa64pfr0 = t;
+ FIELD_DP64_IDREG(isar, ID_AA64PFR0, FP, 0xf);
u = cpu->isar.id_isar6;
u = FIELD_DP32(u, ID_ISAR6, JSCVT, 0);
@@ -2182,9 +2179,7 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
t = FIELD_DP64(t, ID_AA64ISAR1, I8MM, 0);
SET_IDREG(isar, ID_AA64ISAR1, t);
- t = cpu->isar.id_aa64pfr0;
- t = FIELD_DP64(t, ID_AA64PFR0, ADVSIMD, 0xf);
- cpu->isar.id_aa64pfr0 = t;
+ FIELD_DP64_IDREG(isar, ID_AA64PFR0, ADVSIMD, 0xf);
u = cpu->isar.id_isar5;
u = FIELD_DP32(u, ID_ISAR5, AES, 0);
@@ -2326,12 +2321,10 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
*/
cpu->isar.id_pfr1 = FIELD_DP32(cpu->isar.id_pfr1, ID_PFR1, SECURITY, 0);
cpu->isar.id_dfr0 = FIELD_DP32(cpu->isar.id_dfr0, ID_DFR0, COPSDBG, 0);
- cpu->isar.id_aa64pfr0 = FIELD_DP64(cpu->isar.id_aa64pfr0,
- ID_AA64PFR0, EL3, 0);
+ FIELD_DP64_IDREG(isar, ID_AA64PFR0, EL3, 0);
/* Disable the realm management extension, which requires EL3. */
- cpu->isar.id_aa64pfr0 = FIELD_DP64(cpu->isar.id_aa64pfr0,
- ID_AA64PFR0, RME, 0);
+ FIELD_DP64_IDREG(isar, ID_AA64PFR0, RME, 0);
}
if (!cpu->has_el2) {
@@ -2366,8 +2359,7 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
* Disable the hypervisor feature bits in the processor feature
* registers if we don't have EL2.
*/
- cpu->isar.id_aa64pfr0 = FIELD_DP64(cpu->isar.id_aa64pfr0,
- ID_AA64PFR0, EL2, 0);
+ FIELD_DP64_IDREG(isar, ID_AA64PFR0, EL2, 0);
cpu->isar.id_pfr1 = FIELD_DP32(cpu->isar.id_pfr1,
ID_PFR1, VIRTUALIZATION, 0);
}
@@ -2388,8 +2380,7 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
* This matches Cortex-A710 BROADCASTMTE input being LOW.
*/
if (tcg_enabled() && cpu->tag_memory == NULL) {
- cpu->isar.id_aa64pfr1 =
- FIELD_DP64(cpu->isar.id_aa64pfr1, ID_AA64PFR1, MTE, 1);
+ FIELD_DP64_IDREG(isar, ID_AA64PFR1, MTE, 1);
}
/*
@@ -2397,7 +2388,7 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
* enabled on the guest (i.e mte=off), clear guest's MTE bits."
*/
if (kvm_enabled() && !cpu->kvm_mte) {
- FIELD_DP64(cpu->isar.id_aa64pfr1, ID_AA64PFR1, MTE, 0);
+ FIELD_DP64_IDREG(isar, ID_AA64PFR1, MTE, 0);
}
#endif
}
@@ -2436,13 +2427,11 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
cpu->isar.id_dfr0 =
FIELD_DP32(cpu->isar.id_dfr0, ID_DFR0, MMAPTRC, 0);
/* FEAT_AMU (Activity Monitors Extension) */
- cpu->isar.id_aa64pfr0 =
- FIELD_DP64(cpu->isar.id_aa64pfr0, ID_AA64PFR0, AMU, 0);
+ FIELD_DP64_IDREG(isar, ID_AA64PFR0, AMU, 0);
cpu->isar.id_pfr0 =
FIELD_DP32(cpu->isar.id_pfr0, ID_PFR0, AMU, 0);
/* FEAT_MPAM (Memory Partitioning and Monitoring Extension) */
- cpu->isar.id_aa64pfr0 =
- FIELD_DP64(cpu->isar.id_aa64pfr0, ID_AA64PFR0, MPAM, 0);
+ FIELD_DP64_IDREG(isar, ID_AA64PFR0, MPAM, 0);
}
/* MPU can be configured out of a PMSA CPU either by setting has-mpu
diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index b81bc46966f5..05157a49d75c 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -1074,8 +1074,6 @@ struct ArchCPU {
uint32_t dbgdidr;
uint32_t dbgdevid;
uint32_t dbgdevid1;
- uint64_t id_aa64pfr0;
- uint64_t id_aa64pfr1;
uint64_t id_aa64mmfr0;
uint64_t id_aa64mmfr1;
uint64_t id_aa64mmfr2;
diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c
index e2b25b004311..502aac91730d 100644
--- a/target/arm/cpu64.c
+++ b/target/arm/cpu64.c
@@ -310,16 +310,13 @@ static bool cpu_arm_get_sve(Object *obj, Error **errp)
static void cpu_arm_set_sve(Object *obj, bool value, Error **errp)
{
ARMCPU *cpu = ARM_CPU(obj);
- uint64_t t;
if (value && kvm_enabled() && !kvm_arm_sve_supported()) {
error_setg(errp, "'sve' feature not supported by KVM on this host");
return;
}
- t = cpu->isar.id_aa64pfr0;
- t = FIELD_DP64(t, ID_AA64PFR0, SVE, value);
- cpu->isar.id_aa64pfr0 = t;
+ FIELD_DP64_IDREG(&cpu->isar, ID_AA64PFR0, SVE, value);
}
void arm_cpu_sme_finalize(ARMCPU *cpu, Error **errp)
@@ -370,11 +367,8 @@ static bool cpu_arm_get_sme(Object *obj, Error **errp)
static void cpu_arm_set_sme(Object *obj, bool value, Error **errp)
{
ARMCPU *cpu = ARM_CPU(obj);
- uint64_t t;
- t = cpu->isar.id_aa64pfr1;
- t = FIELD_DP64(t, ID_AA64PFR1, SME, value);
- cpu->isar.id_aa64pfr1 = t;
+ FIELD_DP64_IDREG(&cpu->isar, ID_AA64PFR1, SME, value);
}
static bool cpu_arm_get_sme_fa64(Object *obj, Error **errp)
@@ -676,7 +670,7 @@ static void aarch64_a57_initfn(Object *obj)
cpu->isar.id_isar4 = 0x00011142;
cpu->isar.id_isar5 = 0x00011121;
cpu->isar.id_isar6 = 0;
- cpu->isar.id_aa64pfr0 = 0x00002222;
+ SET_IDREG(isar, ID_AA64PFR0, 0x00002222);
cpu->isar.id_aa64dfr0 = 0x10305106;
SET_IDREG(isar, ID_AA64ISAR0, 0x00011120);
cpu->isar.id_aa64mmfr0 = 0x00001124;
@@ -738,7 +732,7 @@ static void aarch64_a53_initfn(Object *obj)
cpu->isar.id_isar4 = 0x00011142;
cpu->isar.id_isar5 = 0x00011121;
cpu->isar.id_isar6 = 0;
- cpu->isar.id_aa64pfr0 = 0x00002222;
+ SET_IDREG(isar, ID_AA64PFR0, 0x00002222);
cpu->isar.id_aa64dfr0 = 0x10305106;
SET_IDREG(isar, ID_AA64ISAR0, 0x00011120);
cpu->isar.id_aa64mmfr0 = 0x00001122; /* 40 bit physical addr */
diff --git a/target/arm/helper.c b/target/arm/helper.c
index 2caaa49b91f9..2b7c963e026c 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -6943,7 +6943,7 @@ static uint64_t id_pfr1_read(CPUARMState *env, const ARMCPRegInfo *ri)
static uint64_t id_aa64pfr0_read(CPUARMState *env, const ARMCPRegInfo *ri)
{
ARMCPU *cpu = env_archcpu(env);
- uint64_t pfr0 = cpu->isar.id_aa64pfr0;
+ uint64_t pfr0 = GET_IDREG(&cpu->isar, ID_AA64PFR0);
if (env->gicv3state) {
pfr0 |= 1 << 24;
@@ -7916,7 +7916,7 @@ void register_cp_regs_for_features(ARMCPU *cpu)
.access = PL1_R,
#ifdef CONFIG_USER_ONLY
.type = ARM_CP_CONST,
- .resetvalue = cpu->isar.id_aa64pfr0
+ .resetvalue = GET_IDREG(isar, ID_AA64PFR0)
#else
.type = ARM_CP_NO_RAW,
.accessfn = access_aa64_tid3,
@@ -7928,7 +7928,7 @@ void register_cp_regs_for_features(ARMCPU *cpu)
.opc0 = 3, .opc1 = 0, .crn = 0, .crm = 4, .opc2 = 1,
.access = PL1_R, .type = ARM_CP_CONST,
.accessfn = access_aa64_tid3,
- .resetvalue = cpu->isar.id_aa64pfr1},
+ .resetvalue = GET_IDREG(isar, ID_AA64PFR1)},
{ .name = "ID_AA64PFR2_EL1_RESERVED", .state = ARM_CP_STATE_AA64,
.opc0 = 3, .opc1 = 0, .crn = 0, .crm = 4, .opc2 = 2,
.access = PL1_R, .type = ARM_CP_CONST,
diff --git a/target/arm/hvf/hvf.c b/target/arm/hvf/hvf.c
index 7554282410f1..e1bfca5947c1 100644
--- a/target/arm/hvf/hvf.c
+++ b/target/arm/hvf/hvf.c
@@ -863,8 +863,8 @@ static bool hvf_arm_get_host_cpu_features(ARMHostCPUFeatures *ahcf)
int reg;
uint64_t *val;
} regs[] = {
- { HV_SYS_REG_ID_AA64PFR0_EL1, &host_isar.id_aa64pfr0 },
- { HV_SYS_REG_ID_AA64PFR1_EL1, &host_isar.id_aa64pfr1 },
+ { HV_SYS_REG_ID_AA64PFR0_EL1, &host_isar.idregs[ID_AA64PFR0_EL1_IDX] },
+ { HV_SYS_REG_ID_AA64PFR1_EL1, &host_isar.idregs[ID_AA64PFR1_EL1_IDX] },
{ HV_SYS_REG_ID_AA64DFR0_EL1, &host_isar.id_aa64dfr0 },
{ HV_SYS_REG_ID_AA64DFR1_EL1, &host_isar.id_aa64dfr1 },
{ HV_SYS_REG_ID_AA64ISAR0_EL1, &host_isar.idregs[ID_AA64ISAR0_EL1_IDX] },
@@ -911,7 +911,8 @@ static bool hvf_arm_get_host_cpu_features(ARMHostCPUFeatures *ahcf)
* - fix any assumptions we made that SME implies SVE (since
* on the M4 there is SME but not SVE)
*/
- host_isar.id_aa64pfr1 &= ~R_ID_AA64PFR1_SME_MASK;
+ SET_IDREG(&host_isar, ID_AA64PFR1,
+ GET_IDREG(&host_isar, ID_AA64PFR1) & ~R_ID_AA64PFR1_SME_MASK);
ahcf->isar = host_isar;
@@ -928,7 +929,7 @@ static bool hvf_arm_get_host_cpu_features(ARMHostCPUFeatures *ahcf)
ahcf->reset_sctlr |= 0x00800000;
/* Make sure we don't advertise AArch32 support for EL0/EL1 */
- if ((host_isar.id_aa64pfr0 & 0xff) != 0x11) {
+ if ((GET_IDREG(&host_isar, ID_AA64PFR0) & 0xff) != 0x11) {
return false;
}
diff --git a/target/arm/kvm.c b/target/arm/kvm.c
index 6fa5bdff42a2..1e19dba4cb07 100644
--- a/target/arm/kvm.c
+++ b/target/arm/kvm.c
@@ -292,8 +292,7 @@ static bool kvm_arm_get_host_cpu_features(ARMHostCPUFeatures *ahcf)
ahcf->dtb_compatible = "arm,arm-v8";
int fd = fdarray[2];
- err = read_sys_reg64(fdarray[2], &ahcf->isar.id_aa64pfr0,
- ARM64_SYS_REG(3, 0, 0, 4, 0));
+ err = get_host_cpu_reg(fd, ahcf, ID_AA64PFR0_EL1_IDX);
if (unlikely(err < 0)) {
/*
* Before v4.15, the kernel only exposed a limited number of system
@@ -311,11 +310,10 @@ static bool kvm_arm_get_host_cpu_features(ARMHostCPUFeatures *ahcf)
* ??? Either of these sounds like too much effort just
* to work around running a modern host kernel.
*/
- ahcf->isar.id_aa64pfr0 = 0x00000011; /* EL1&0, AArch64 only */
+ SET_IDREG(&ahcf->isar, ID_AA64PFR0, 0x00000011); /* EL1&0, AArch64 only */
err = 0;
} else {
- err |= read_sys_reg64(fdarray[2], &ahcf->isar.id_aa64pfr1,
- ARM64_SYS_REG(3, 0, 0, 4, 1));
+ err |= get_host_cpu_reg(fd, ahcf, ID_AA64PFR1_EL1_IDX);
err |= read_sys_reg64(fdarray[2], &ahcf->isar.id_aa64smfr0,
ARM64_SYS_REG(3, 0, 0, 4, 5));
err |= read_sys_reg64(fdarray[2], &ahcf->isar.id_aa64dfr0,
@@ -395,14 +393,14 @@ static bool kvm_arm_get_host_cpu_features(ARMHostCPUFeatures *ahcf)
* arch/arm64/kvm/sys_regs.c:trap_dbgidr() does.
* We only do this if the CPU supports AArch32 at EL1.
*/
- if (FIELD_EX32(ahcf->isar.id_aa64pfr0, ID_AA64PFR0, EL1) >= 2) {
+ if (FIELD_EX32_IDREG(&ahcf->isar, ID_AA64PFR0, EL1) >= 2) {
int wrps = FIELD_EX64(ahcf->isar.id_aa64dfr0, ID_AA64DFR0, WRPS);
int brps = FIELD_EX64(ahcf->isar.id_aa64dfr0, ID_AA64DFR0, BRPS);
int ctx_cmps =
FIELD_EX64(ahcf->isar.id_aa64dfr0, ID_AA64DFR0, CTX_CMPS);
int version = 6; /* ARMv8 debug architecture */
bool has_el3 =
- !!FIELD_EX32(ahcf->isar.id_aa64pfr0, ID_AA64PFR0, EL3);
+ !!FIELD_EX32_IDREG(&ahcf->isar, ID_AA64PFR0, EL3);
uint32_t dbgdidr = 0;
dbgdidr = FIELD_DP32(dbgdidr, DBGDIDR, WRPS, wrps);
diff --git a/target/arm/tcg/cpu64.c b/target/arm/tcg/cpu64.c
index 917502647246..7a730c7974f0 100644
--- a/target/arm/tcg/cpu64.c
+++ b/target/arm/tcg/cpu64.c
@@ -63,8 +63,8 @@ static void aarch64_a35_initfn(Object *obj)
cpu->isar.id_isar3 = 0x01112131;
cpu->isar.id_isar4 = 0x00011142;
cpu->isar.id_isar5 = 0x00011121;
- cpu->isar.id_aa64pfr0 = 0x00002222;
- cpu->isar.id_aa64pfr1 = 0;
+ SET_IDREG(isar, ID_AA64PFR0, 0x00002222);
+ SET_IDREG(isar, ID_AA64PFR1, 0);
cpu->isar.id_aa64dfr0 = 0x10305106;
cpu->isar.id_aa64dfr1 = 0;
SET_IDREG(isar, ID_AA64ISAR0, 0x00011120);
@@ -158,11 +158,8 @@ static bool cpu_arm_get_rme(Object *obj, Error **errp)
static void cpu_arm_set_rme(Object *obj, bool value, Error **errp)
{
ARMCPU *cpu = ARM_CPU(obj);
- uint64_t t;
- t = cpu->isar.id_aa64pfr0;
- t = FIELD_DP64(t, ID_AA64PFR0, RME, value);
- cpu->isar.id_aa64pfr0 = t;
+ FIELD_DP64_IDREG(&cpu->isar, ID_AA64PFR0, RME, value);
}
static void cpu_max_set_l0gptsz(Object *obj, Visitor *v, const char *name,
@@ -228,8 +225,8 @@ static void aarch64_a55_initfn(Object *obj)
cpu->isar.id_aa64mmfr0 = 0x0000000000101122ull;
cpu->isar.id_aa64mmfr1 = 0x0000000010212122ull;
cpu->isar.id_aa64mmfr2 = 0x0000000000001011ull;
- cpu->isar.id_aa64pfr0 = 0x0000000010112222ull;
- cpu->isar.id_aa64pfr1 = 0x0000000000000010ull;
+ SET_IDREG(isar, ID_AA64PFR0, 0x0000000010112222ull);
+ SET_IDREG(isar, ID_AA64PFR1, 0x0000000000000010ull);
cpu->id_afr0 = 0x00000000;
cpu->isar.id_dfr0 = 0x04010088;
cpu->isar.id_isar0 = 0x02101110;
@@ -312,7 +309,7 @@ static void aarch64_a72_initfn(Object *obj)
cpu->isar.id_isar3 = 0x01112131;
cpu->isar.id_isar4 = 0x00011142;
cpu->isar.id_isar5 = 0x00011121;
- cpu->isar.id_aa64pfr0 = 0x00002222;
+ SET_IDREG(isar, ID_AA64PFR0, 0x00002222);
cpu->isar.id_aa64dfr0 = 0x10305106;
SET_IDREG(isar, ID_AA64ISAR0, 0x00011120);
cpu->isar.id_aa64mmfr0 = 0x00001124;
@@ -361,8 +358,8 @@ static void aarch64_a76_initfn(Object *obj)
cpu->isar.id_aa64mmfr0 = 0x0000000000101122ull;
cpu->isar.id_aa64mmfr1 = 0x0000000010212122ull;
cpu->isar.id_aa64mmfr2 = 0x0000000000001011ull;
- cpu->isar.id_aa64pfr0 = 0x1100000010111112ull; /* GIC filled in later */
- cpu->isar.id_aa64pfr1 = 0x0000000000000010ull;
+ SET_IDREG(isar, ID_AA64PFR0, 0x1100000010111112ull); /* GIC filled in later */
+ SET_IDREG(isar, ID_AA64PFR1, 0x0000000000000010ull);
cpu->id_afr0 = 0x00000000;
cpu->isar.id_dfr0 = 0x04010088;
cpu->isar.id_isar0 = 0x02101110;
@@ -427,8 +424,8 @@ static void aarch64_a64fx_initfn(Object *obj)
cpu->revidr = 0x00000000;
cpu->ctr = 0x86668006;
cpu->reset_sctlr = 0x30000180;
- cpu->isar.id_aa64pfr0 = 0x0000000101111111; /* No RAS Extensions */
- cpu->isar.id_aa64pfr1 = 0x0000000000000000;
+ SET_IDREG(isar, ID_AA64PFR0, 0x0000000101111111); /* No RAS Extensions */
+ SET_IDREG(isar, ID_AA64PFR1, 0x0000000000000000);
cpu->isar.id_aa64dfr0 = 0x0000000010305408;
cpu->isar.id_aa64dfr1 = 0x0000000000000000;
cpu->id_aa64afr0 = 0x0000000000000000;
@@ -609,8 +606,8 @@ static void aarch64_neoverse_n1_initfn(Object *obj)
cpu->isar.id_aa64mmfr0 = 0x0000000000101125ull;
cpu->isar.id_aa64mmfr1 = 0x0000000010212122ull;
cpu->isar.id_aa64mmfr2 = 0x0000000000001011ull;
- cpu->isar.id_aa64pfr0 = 0x1100000010111112ull; /* GIC filled in later */
- cpu->isar.id_aa64pfr1 = 0x0000000000000020ull;
+ SET_IDREG(isar, ID_AA64PFR0, 0x1100000010111112ull); /* GIC filled in later */
+ SET_IDREG(isar, ID_AA64PFR1, 0x0000000000000020ull);
cpu->id_afr0 = 0x00000000;
cpu->isar.id_dfr0 = 0x04010088;
cpu->isar.id_isar0 = 0x02101110;
@@ -688,8 +685,8 @@ static void aarch64_neoverse_v1_initfn(Object *obj)
cpu->isar.id_aa64mmfr0 = 0x0000000000101125ull;
cpu->isar.id_aa64mmfr1 = 0x0000000010212122ull;
cpu->isar.id_aa64mmfr2 = 0x0220011102101011ull;
- cpu->isar.id_aa64pfr0 = 0x1101110120111112ull; /* GIC filled in later */
- cpu->isar.id_aa64pfr1 = 0x0000000000000020ull;
+ SET_IDREG(isar, ID_AA64PFR0, 0x1101110120111112ull); /* GIC filled in later */
+ SET_IDREG(isar, ID_AA64PFR1, 0x0000000000000020ull);
cpu->id_afr0 = 0x00000000;
cpu->isar.id_dfr0 = 0x15011099;
cpu->isar.id_isar0 = 0x02101110;
@@ -925,8 +922,8 @@ static void aarch64_a710_initfn(Object *obj)
cpu->isar.mvfr1 = 0x13211111;
cpu->isar.mvfr2 = 0x00000043;
cpu->isar.id_pfr2 = 0x00000011;
- cpu->isar.id_aa64pfr0 = 0x1201111120111112ull; /* GIC filled in later */
- cpu->isar.id_aa64pfr1 = 0x0000000000000221ull;
+ SET_IDREG(isar, ID_AA64PFR0, 0x1201111120111112ull); /* GIC filled in later */
+ SET_IDREG(isar, ID_AA64PFR1, 0x0000000000000221ull);
SET_IDREG(isar, ID_AA64ZFR0, 0x0000110100110021ull); /* with Crypto */
cpu->isar.id_aa64dfr0 = 0x000011f010305619ull;
cpu->isar.id_aa64dfr1 = 0;
@@ -1027,8 +1024,8 @@ static void aarch64_neoverse_n2_initfn(Object *obj)
cpu->isar.mvfr1 = 0x13211111;
cpu->isar.mvfr2 = 0x00000043;
cpu->isar.id_pfr2 = 0x00000011;
- cpu->isar.id_aa64pfr0 = 0x1201111120111112ull; /* GIC filled in later */
- cpu->isar.id_aa64pfr1 = 0x0000000000000221ull;
+ SET_IDREG(isar, ID_AA64PFR0, 0x1201111120111112ull); /* GIC filled in later */
+ SET_IDREG(isar, ID_AA64PFR1, 0x0000000000000221ull);
SET_IDREG(isar, ID_AA64ZFR0, 0x0000110100110021ull); /* with Crypto */
cpu->isar.id_aa64dfr0 = 0x000011f210305619ull;
cpu->isar.id_aa64dfr1 = 0;
@@ -1183,7 +1180,7 @@ void aarch64_max_tcg_initfn(Object *obj)
t = FIELD_DP64(t, ID_AA64ISAR2, WFXT, 2); /* FEAT_WFxT */
SET_IDREG(isar, ID_AA64ISAR2, t);
- t = cpu->isar.id_aa64pfr0;
+ t = GET_IDREG(isar, ID_AA64PFR0);
t = FIELD_DP64(t, ID_AA64PFR0, FP, 1); /* FEAT_FP16 */
t = FIELD_DP64(t, ID_AA64PFR0, ADVSIMD, 1); /* FEAT_FP16 */
t = FIELD_DP64(t, ID_AA64PFR0, RAS, 2); /* FEAT_RASv1p1 + FEAT_DoubleFault */
@@ -1192,9 +1189,9 @@ void aarch64_max_tcg_initfn(Object *obj)
t = FIELD_DP64(t, ID_AA64PFR0, DIT, 1); /* FEAT_DIT */
t = FIELD_DP64(t, ID_AA64PFR0, CSV2, 3); /* FEAT_CSV2_3 */
t = FIELD_DP64(t, ID_AA64PFR0, CSV3, 1); /* FEAT_CSV3 */
- cpu->isar.id_aa64pfr0 = t;
+ SET_IDREG(isar, ID_AA64PFR0, t);
- t = cpu->isar.id_aa64pfr1;
+ t = GET_IDREG(isar, ID_AA64PFR1);
t = FIELD_DP64(t, ID_AA64PFR1, BT, 1); /* FEAT_BTI */
t = FIELD_DP64(t, ID_AA64PFR1, SSBS, 2); /* FEAT_SSBS2 */
/*
@@ -1207,7 +1204,7 @@ void aarch64_max_tcg_initfn(Object *obj)
t = FIELD_DP64(t, ID_AA64PFR1, SME, 1); /* FEAT_SME */
t = FIELD_DP64(t, ID_AA64PFR1, CSV2_FRAC, 0); /* FEAT_CSV2_3 */
t = FIELD_DP64(t, ID_AA64PFR1, NMI, 1); /* FEAT_NMI */
- cpu->isar.id_aa64pfr1 = t;
+ SET_IDREG(isar, ID_AA64PFR1, t);
t = cpu->isar.id_aa64mmfr0;
t = FIELD_DP64(t, ID_AA64MMFR0, PARANGE, 6); /* FEAT_LPA: 52 bits */
--
2.49.0
^ permalink raw reply related [flat|nested] 30+ messages in thread
* [PATCH v8 05/14] arm/cpu: Store aa64mmfr0-3 into the idregs array
2025-06-17 15:39 [PATCH v8 00/14] arm: rework id register storage Cornelia Huck
` (3 preceding siblings ...)
2025-06-17 15:39 ` [PATCH v8 04/14] arm/cpu: Store aa64pfr0/1 " Cornelia Huck
@ 2025-06-17 15:39 ` Cornelia Huck
2025-06-17 15:39 ` [PATCH v8 06/14] arm/cpu: Store aa64dfr0/1 " Cornelia Huck
` (11 subsequent siblings)
16 siblings, 0 replies; 30+ messages in thread
From: Cornelia Huck @ 2025-06-17 15:39 UTC (permalink / raw)
To: eric.auger.pro, eric.auger, qemu-devel, qemu-arm, kvmarm,
peter.maydell, richard.henderson, alex.bennee, maz, oliver.upton,
sebott, shameerali.kolothum.thodi, armbru, berrange, abologna,
jdenemar, agraf
Cc: shahuang, mark.rutland, philmd, pbonzini, Cornelia Huck
From: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Sebastian Ott <sebott@redhat.com>
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
---
target/arm/cpu-features.h | 74 +++++++++++++++++++--------------------
target/arm/cpu.h | 4 ---
target/arm/cpu64.c | 8 ++---
target/arm/helper.c | 8 ++---
target/arm/hvf/hvf.c | 21 ++++++-----
target/arm/kvm.c | 12 +++----
target/arm/ptw.c | 6 ++--
target/arm/tcg/cpu64.c | 64 ++++++++++++++++-----------------
8 files changed, 95 insertions(+), 102 deletions(-)
diff --git a/target/arm/cpu-features.h b/target/arm/cpu-features.h
index 3adea85b79b7..89c9278639bf 100644
--- a/target/arm/cpu-features.h
+++ b/target/arm/cpu-features.h
@@ -711,192 +711,192 @@ static inline bool isar_feature_aa64_nmi(const ARMISARegisters *id)
static inline bool isar_feature_aa64_tgran4_lpa2(const ARMISARegisters *id)
{
- return FIELD_SEX64(id->id_aa64mmfr0, ID_AA64MMFR0, TGRAN4) >= 1;
+ return FIELD_SEX64_IDREG(id, ID_AA64MMFR0, TGRAN4) >= 1;
}
static inline bool isar_feature_aa64_tgran4_2_lpa2(const ARMISARegisters *id)
{
- unsigned t = FIELD_EX64(id->id_aa64mmfr0, ID_AA64MMFR0, TGRAN4_2);
+ unsigned t = FIELD_EX64_IDREG(id, ID_AA64MMFR0, TGRAN4_2);
return t >= 3 || (t == 0 && isar_feature_aa64_tgran4_lpa2(id));
}
static inline bool isar_feature_aa64_tgran16_lpa2(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64mmfr0, ID_AA64MMFR0, TGRAN16) >= 2;
+ return FIELD_EX64_IDREG(id, ID_AA64MMFR0, TGRAN16) >= 2;
}
static inline bool isar_feature_aa64_tgran16_2_lpa2(const ARMISARegisters *id)
{
- unsigned t = FIELD_EX64(id->id_aa64mmfr0, ID_AA64MMFR0, TGRAN16_2);
+ unsigned t = FIELD_EX64_IDREG(id, ID_AA64MMFR0, TGRAN16_2);
return t >= 3 || (t == 0 && isar_feature_aa64_tgran16_lpa2(id));
}
static inline bool isar_feature_aa64_tgran4(const ARMISARegisters *id)
{
- return FIELD_SEX64(id->id_aa64mmfr0, ID_AA64MMFR0, TGRAN4) >= 0;
+ return FIELD_SEX64_IDREG(id, ID_AA64MMFR0, TGRAN4) >= 0;
}
static inline bool isar_feature_aa64_tgran16(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64mmfr0, ID_AA64MMFR0, TGRAN16) >= 1;
+ return FIELD_EX64_IDREG(id, ID_AA64MMFR0, TGRAN16) >= 1;
}
static inline bool isar_feature_aa64_tgran64(const ARMISARegisters *id)
{
- return FIELD_SEX64(id->id_aa64mmfr0, ID_AA64MMFR0, TGRAN64) >= 0;
+ return FIELD_SEX64_IDREG(id, ID_AA64MMFR0, TGRAN64) >= 0;
}
static inline bool isar_feature_aa64_tgran4_2(const ARMISARegisters *id)
{
- unsigned t = FIELD_EX64(id->id_aa64mmfr0, ID_AA64MMFR0, TGRAN4_2);
+ unsigned t = FIELD_EX64_IDREG(id, ID_AA64MMFR0, TGRAN4_2);
return t >= 2 || (t == 0 && isar_feature_aa64_tgran4(id));
}
static inline bool isar_feature_aa64_tgran16_2(const ARMISARegisters *id)
{
- unsigned t = FIELD_EX64(id->id_aa64mmfr0, ID_AA64MMFR0, TGRAN16_2);
+ unsigned t = FIELD_EX64_IDREG(id, ID_AA64MMFR0, TGRAN16_2);
return t >= 2 || (t == 0 && isar_feature_aa64_tgran16(id));
}
static inline bool isar_feature_aa64_tgran64_2(const ARMISARegisters *id)
{
- unsigned t = FIELD_EX64(id->id_aa64mmfr0, ID_AA64MMFR0, TGRAN64_2);
+ unsigned t = FIELD_EX64_IDREG(id, ID_AA64MMFR0, TGRAN64_2);
return t >= 2 || (t == 0 && isar_feature_aa64_tgran64(id));
}
static inline bool isar_feature_aa64_fgt(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64mmfr0, ID_AA64MMFR0, FGT) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64MMFR0, FGT) != 0;
}
static inline bool isar_feature_aa64_ecv_traps(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64mmfr0, ID_AA64MMFR0, ECV) > 0;
+ return FIELD_EX64_IDREG(id, ID_AA64MMFR0, ECV) > 0;
}
static inline bool isar_feature_aa64_ecv(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64mmfr0, ID_AA64MMFR0, ECV) > 1;
+ return FIELD_EX64_IDREG(id, ID_AA64MMFR0, ECV) > 1;
}
static inline bool isar_feature_aa64_vh(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64mmfr1, ID_AA64MMFR1, VH) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64MMFR1, VH) != 0;
}
static inline bool isar_feature_aa64_lor(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64mmfr1, ID_AA64MMFR1, LO) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64MMFR1, LO) != 0;
}
static inline bool isar_feature_aa64_pan(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64mmfr1, ID_AA64MMFR1, PAN) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64MMFR1, PAN) != 0;
}
static inline bool isar_feature_aa64_ats1e1(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64mmfr1, ID_AA64MMFR1, PAN) >= 2;
+ return FIELD_EX64_IDREG(id, ID_AA64MMFR1, PAN) >= 2;
}
static inline bool isar_feature_aa64_pan3(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64mmfr1, ID_AA64MMFR1, PAN) >= 3;
+ return FIELD_EX64_IDREG(id, ID_AA64MMFR1, PAN) >= 3;
}
static inline bool isar_feature_aa64_hcx(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64mmfr1, ID_AA64MMFR1, HCX) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64MMFR1, HCX) != 0;
}
static inline bool isar_feature_aa64_afp(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64mmfr1, ID_AA64MMFR1, AFP) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64MMFR1, AFP) != 0;
}
static inline bool isar_feature_aa64_tidcp1(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64mmfr1, ID_AA64MMFR1, TIDCP1) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64MMFR1, TIDCP1) != 0;
}
static inline bool isar_feature_aa64_cmow(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64mmfr1, ID_AA64MMFR1, CMOW) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64MMFR1, CMOW) != 0;
}
static inline bool isar_feature_aa64_hafs(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64mmfr1, ID_AA64MMFR1, HAFDBS) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64MMFR1, HAFDBS) != 0;
}
static inline bool isar_feature_aa64_hdbs(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64mmfr1, ID_AA64MMFR1, HAFDBS) >= 2;
+ return FIELD_EX64_IDREG(id, ID_AA64MMFR1, HAFDBS) >= 2;
}
static inline bool isar_feature_aa64_tts2uxn(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64mmfr1, ID_AA64MMFR1, XNX) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64MMFR1, XNX) != 0;
}
static inline bool isar_feature_aa64_uao(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64mmfr2, ID_AA64MMFR2, UAO) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64MMFR2, UAO) != 0;
}
static inline bool isar_feature_aa64_st(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64mmfr2, ID_AA64MMFR2, ST) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64MMFR2, ST) != 0;
}
static inline bool isar_feature_aa64_lse2(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64mmfr2, ID_AA64MMFR2, AT) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64MMFR2, AT) != 0;
}
static inline bool isar_feature_aa64_fwb(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64mmfr2, ID_AA64MMFR2, FWB) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64MMFR2, FWB) != 0;
}
static inline bool isar_feature_aa64_ids(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64mmfr2, ID_AA64MMFR2, IDS) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64MMFR2, IDS) != 0;
}
static inline bool isar_feature_aa64_half_evt(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64mmfr2, ID_AA64MMFR2, EVT) >= 1;
+ return FIELD_EX64_IDREG(id, ID_AA64MMFR2, EVT) >= 1;
}
static inline bool isar_feature_aa64_evt(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64mmfr2, ID_AA64MMFR2, EVT) >= 2;
+ return FIELD_EX64_IDREG(id, ID_AA64MMFR2, EVT) >= 2;
}
static inline bool isar_feature_aa64_ccidx(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64mmfr2, ID_AA64MMFR2, CCIDX) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64MMFR2, CCIDX) != 0;
}
static inline bool isar_feature_aa64_lva(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64mmfr2, ID_AA64MMFR2, VARANGE) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64MMFR2, VARANGE) != 0;
}
static inline bool isar_feature_aa64_e0pd(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64mmfr2, ID_AA64MMFR2, E0PD) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64MMFR2, E0PD) != 0;
}
static inline bool isar_feature_aa64_nv(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64mmfr2, ID_AA64MMFR2, NV) != 0;
+ return FIELD_EX64_IDREG(id, ID_AA64MMFR2, NV) != 0;
}
static inline bool isar_feature_aa64_nv2(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64mmfr2, ID_AA64MMFR2, NV) >= 2;
+ return FIELD_EX64_IDREG(id, ID_AA64MMFR2, NV) >= 2;
}
static inline bool isar_feature_aa64_pmuv3p1(const ARMISARegisters *id)
diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index 05157a49d75c..df9b7cc8c84c 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -1074,10 +1074,6 @@ struct ArchCPU {
uint32_t dbgdidr;
uint32_t dbgdevid;
uint32_t dbgdevid1;
- uint64_t id_aa64mmfr0;
- uint64_t id_aa64mmfr1;
- uint64_t id_aa64mmfr2;
- uint64_t id_aa64mmfr3;
uint64_t id_aa64dfr0;
uint64_t id_aa64dfr1;
uint64_t id_aa64smfr0;
diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c
index 502aac91730d..500f3646bfad 100644
--- a/target/arm/cpu64.c
+++ b/target/arm/cpu64.c
@@ -623,12 +623,12 @@ void arm_cpu_lpa2_finalize(ARMCPU *cpu, Error **errp)
return;
}
- t = cpu->isar.id_aa64mmfr0;
+ t = GET_IDREG(&cpu->isar, ID_AA64MMFR0);
t = FIELD_DP64(t, ID_AA64MMFR0, TGRAN16, 2); /* 16k pages w/ LPA2 */
t = FIELD_DP64(t, ID_AA64MMFR0, TGRAN4, 1); /* 4k pages w/ LPA2 */
t = FIELD_DP64(t, ID_AA64MMFR0, TGRAN16_2, 3); /* 16k stage2 w/ LPA2 */
t = FIELD_DP64(t, ID_AA64MMFR0, TGRAN4_2, 3); /* 4k stage2 w/ LPA2 */
- cpu->isar.id_aa64mmfr0 = t;
+ SET_IDREG(&cpu->isar, ID_AA64MMFR0, t);
}
static void aarch64_a57_initfn(Object *obj)
@@ -673,7 +673,7 @@ static void aarch64_a57_initfn(Object *obj)
SET_IDREG(isar, ID_AA64PFR0, 0x00002222);
cpu->isar.id_aa64dfr0 = 0x10305106;
SET_IDREG(isar, ID_AA64ISAR0, 0x00011120);
- cpu->isar.id_aa64mmfr0 = 0x00001124;
+ SET_IDREG(isar, ID_AA64MMFR0, 0x00001124);
cpu->isar.dbgdidr = 0x3516d000;
cpu->isar.dbgdevid = 0x01110f13;
cpu->isar.dbgdevid1 = 0x2;
@@ -735,7 +735,7 @@ static void aarch64_a53_initfn(Object *obj)
SET_IDREG(isar, ID_AA64PFR0, 0x00002222);
cpu->isar.id_aa64dfr0 = 0x10305106;
SET_IDREG(isar, ID_AA64ISAR0, 0x00011120);
- cpu->isar.id_aa64mmfr0 = 0x00001122; /* 40 bit physical addr */
+ SET_IDREG(isar, ID_AA64MMFR0, 0x00001122); /* 40 bit physical addr */
cpu->isar.dbgdidr = 0x3516d000;
cpu->isar.dbgdevid = 0x00110f13;
cpu->isar.dbgdevid1 = 0x1;
diff --git a/target/arm/helper.c b/target/arm/helper.c
index 2b7c963e026c..48fcd755dcdb 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -8043,22 +8043,22 @@ void register_cp_regs_for_features(ARMCPU *cpu)
.opc0 = 3, .opc1 = 0, .crn = 0, .crm = 7, .opc2 = 0,
.access = PL1_R, .type = ARM_CP_CONST,
.accessfn = access_aa64_tid3,
- .resetvalue = cpu->isar.id_aa64mmfr0 },
+ .resetvalue = GET_IDREG(isar, ID_AA64MMFR0)},
{ .name = "ID_AA64MMFR1_EL1", .state = ARM_CP_STATE_AA64,
.opc0 = 3, .opc1 = 0, .crn = 0, .crm = 7, .opc2 = 1,
.access = PL1_R, .type = ARM_CP_CONST,
.accessfn = access_aa64_tid3,
- .resetvalue = cpu->isar.id_aa64mmfr1 },
+ .resetvalue = GET_IDREG(isar, ID_AA64MMFR1) },
{ .name = "ID_AA64MMFR2_EL1", .state = ARM_CP_STATE_AA64,
.opc0 = 3, .opc1 = 0, .crn = 0, .crm = 7, .opc2 = 2,
.access = PL1_R, .type = ARM_CP_CONST,
.accessfn = access_aa64_tid3,
- .resetvalue = cpu->isar.id_aa64mmfr2 },
+ .resetvalue = GET_IDREG(isar, ID_AA64MMFR2) },
{ .name = "ID_AA64MMFR3_EL1", .state = ARM_CP_STATE_AA64,
.opc0 = 3, .opc1 = 0, .crn = 0, .crm = 7, .opc2 = 3,
.access = PL1_R, .type = ARM_CP_CONST,
.accessfn = access_aa64_tid3,
- .resetvalue = cpu->isar.id_aa64mmfr3 },
+ .resetvalue = GET_IDREG(isar, ID_AA64MMFR3) },
{ .name = "ID_AA64MMFR4_EL1_RESERVED", .state = ARM_CP_STATE_AA64,
.opc0 = 3, .opc1 = 0, .crn = 0, .crm = 7, .opc2 = 4,
.access = PL1_R, .type = ARM_CP_CONST,
diff --git a/target/arm/hvf/hvf.c b/target/arm/hvf/hvf.c
index e1bfca5947c1..37a6303ec2a4 100644
--- a/target/arm/hvf/hvf.c
+++ b/target/arm/hvf/hvf.c
@@ -846,14 +846,17 @@ static uint64_t hvf_get_reg(CPUState *cpu, int rt)
return val;
}
-static void clamp_id_aa64mmfr0_parange_to_ipa_size(uint64_t *id_aa64mmfr0)
+static void clamp_id_aa64mmfr0_parange_to_ipa_size(ARMISARegisters *isar)
{
uint32_t ipa_size = chosen_ipa_bit_size ?
chosen_ipa_bit_size : hvf_arm_get_max_ipa_bit_size();
+ uint64_t id_aa64mmfr0;
/* Clamp down the PARange to the IPA size the kernel supports. */
uint8_t index = round_down_to_parange_index(ipa_size);
- *id_aa64mmfr0 = (*id_aa64mmfr0 & ~R_ID_AA64MMFR0_PARANGE_MASK) | index;
+ id_aa64mmfr0 = GET_IDREG(isar, ID_AA64MMFR0);
+ id_aa64mmfr0 = (id_aa64mmfr0 & ~R_ID_AA64MMFR0_PARANGE_MASK) | index;
+ SET_IDREG(isar, ID_AA64MMFR0, id_aa64mmfr0);
}
static bool hvf_arm_get_host_cpu_features(ARMHostCPUFeatures *ahcf)
@@ -870,9 +873,9 @@ static bool hvf_arm_get_host_cpu_features(ARMHostCPUFeatures *ahcf)
{ HV_SYS_REG_ID_AA64ISAR0_EL1, &host_isar.idregs[ID_AA64ISAR0_EL1_IDX] },
{ HV_SYS_REG_ID_AA64ISAR1_EL1, &host_isar.idregs[ID_AA64ISAR1_EL1_IDX] },
/* Add ID_AA64ISAR2_EL1 here when HVF supports it */
- { HV_SYS_REG_ID_AA64MMFR0_EL1, &host_isar.id_aa64mmfr0 },
- { HV_SYS_REG_ID_AA64MMFR1_EL1, &host_isar.id_aa64mmfr1 },
- { HV_SYS_REG_ID_AA64MMFR2_EL1, &host_isar.id_aa64mmfr2 },
+ { HV_SYS_REG_ID_AA64MMFR0_EL1, &host_isar.idregs[ID_AA64MMFR0_EL1_IDX] },
+ { HV_SYS_REG_ID_AA64MMFR1_EL1, &host_isar.idregs[ID_AA64MMFR1_EL1_IDX] },
+ { HV_SYS_REG_ID_AA64MMFR2_EL1, &host_isar.idregs[ID_AA64MMFR2_EL1_IDX] },
/* Add ID_AA64MMFR3_EL1 here when HVF supports it */
};
hv_vcpu_t fd;
@@ -899,7 +902,7 @@ static bool hvf_arm_get_host_cpu_features(ARMHostCPUFeatures *ahcf)
r |= hv_vcpu_get_sys_reg(fd, HV_SYS_REG_MIDR_EL1, &ahcf->midr);
r |= hv_vcpu_destroy(fd);
- clamp_id_aa64mmfr0_parange_to_ipa_size(&host_isar.id_aa64mmfr0);
+ clamp_id_aa64mmfr0_parange_to_ipa_size(&host_isar);
/*
* Disable SME, which is not properly handled by QEMU hvf yet.
@@ -1067,12 +1070,12 @@ int hvf_arch_init_vcpu(CPUState *cpu)
/* We're limited to underlying hardware caps, override internal versions */
ret = hv_vcpu_get_sys_reg(cpu->accel->fd, HV_SYS_REG_ID_AA64MMFR0_EL1,
- &arm_cpu->isar.id_aa64mmfr0);
+ &arm_cpu->isar.idregs[ID_AA64MMFR0_EL1_IDX]);
assert_hvf_ok(ret);
- clamp_id_aa64mmfr0_parange_to_ipa_size(&arm_cpu->isar.id_aa64mmfr0);
+ clamp_id_aa64mmfr0_parange_to_ipa_size(&arm_cpu->isar);
ret = hv_vcpu_set_sys_reg(cpu->accel->fd, HV_SYS_REG_ID_AA64MMFR0_EL1,
- arm_cpu->isar.id_aa64mmfr0);
+ arm_cpu->isar.idregs[ID_AA64MMFR0_EL1_IDX]);
assert_hvf_ok(ret);
return 0;
diff --git a/target/arm/kvm.c b/target/arm/kvm.c
index 1e19dba4cb07..1dde96fbbda7 100644
--- a/target/arm/kvm.c
+++ b/target/arm/kvm.c
@@ -323,14 +323,10 @@ static bool kvm_arm_get_host_cpu_features(ARMHostCPUFeatures *ahcf)
err |= get_host_cpu_reg(fd, ahcf, ID_AA64ISAR0_EL1_IDX);
err |= get_host_cpu_reg(fd, ahcf, ID_AA64ISAR1_EL1_IDX);
err |= get_host_cpu_reg(fd, ahcf, ID_AA64ISAR2_EL1_IDX);
- err |= read_sys_reg64(fdarray[2], &ahcf->isar.id_aa64mmfr0,
- ARM64_SYS_REG(3, 0, 0, 7, 0));
- err |= read_sys_reg64(fdarray[2], &ahcf->isar.id_aa64mmfr1,
- ARM64_SYS_REG(3, 0, 0, 7, 1));
- err |= read_sys_reg64(fdarray[2], &ahcf->isar.id_aa64mmfr2,
- ARM64_SYS_REG(3, 0, 0, 7, 2));
- err |= read_sys_reg64(fdarray[2], &ahcf->isar.id_aa64mmfr3,
- ARM64_SYS_REG(3, 0, 0, 7, 3));
+ err |= get_host_cpu_reg(fd, ahcf, ID_AA64MMFR0_EL1_IDX);
+ err |= get_host_cpu_reg(fd, ahcf, ID_AA64MMFR1_EL1_IDX);
+ err |= get_host_cpu_reg(fd, ahcf, ID_AA64MMFR2_EL1_IDX);
+ err |= get_host_cpu_reg(fd, ahcf, ID_AA64MMFR3_EL1_IDX);
/*
* Note that if AArch32 support is not present in the host,
diff --git a/target/arm/ptw.c b/target/arm/ptw.c
index 44170d831cca..561bf2678e5a 100644
--- a/target/arm/ptw.c
+++ b/target/arm/ptw.c
@@ -122,7 +122,7 @@ unsigned int arm_pamax(ARMCPU *cpu)
{
if (arm_feature(&cpu->env, ARM_FEATURE_AARCH64)) {
unsigned int parange =
- FIELD_EX64(cpu->isar.id_aa64mmfr0, ID_AA64MMFR0, PARANGE);
+ FIELD_EX64_IDREG(&cpu->isar, ID_AA64MMFR0, PARANGE);
/*
* id_aa64mmfr0 is a read-only register so values outside of the
@@ -332,7 +332,7 @@ static bool granule_protection_check(CPUARMState *env, uint64_t paddress,
* physical address size is invalid.
*/
pps = FIELD_EX64(gpccr, GPCCR, PPS);
- if (pps > FIELD_EX64(cpu->isar.id_aa64mmfr0, ID_AA64MMFR0, PARANGE)) {
+ if (pps > FIELD_EX64_IDREG(&cpu->isar, ID_AA64MMFR0, PARANGE)) {
goto fault_walk;
}
pps = pamax_map[pps];
@@ -1703,7 +1703,7 @@ static bool get_phys_addr_lpae(CPUARMState *env, S1Translate *ptw,
* ID_AA64MMFR0 is a read-only register so values outside of the
* supported mappings can be considered an implementation error.
*/
- ps = FIELD_EX64(cpu->isar.id_aa64mmfr0, ID_AA64MMFR0, PARANGE);
+ ps = FIELD_EX64_IDREG(&cpu->isar, ID_AA64MMFR0, PARANGE);
ps = MIN(ps, param.ps);
assert(ps < ARRAY_SIZE(pamax_map));
outputsize = pamax_map[ps];
diff --git a/target/arm/tcg/cpu64.c b/target/arm/tcg/cpu64.c
index 7a730c7974f0..9efb7f0ce800 100644
--- a/target/arm/tcg/cpu64.c
+++ b/target/arm/tcg/cpu64.c
@@ -69,8 +69,8 @@ static void aarch64_a35_initfn(Object *obj)
cpu->isar.id_aa64dfr1 = 0;
SET_IDREG(isar, ID_AA64ISAR0, 0x00011120);
SET_IDREG(isar, ID_AA64ISAR1, 0);
- cpu->isar.id_aa64mmfr0 = 0x00101122;
- cpu->isar.id_aa64mmfr1 = 0;
+ SET_IDREG(isar, ID_AA64MMFR0, 0x00101122);
+ SET_IDREG(isar, ID_AA64MMFR1, 0);
cpu->clidr = 0x0a200023;
cpu->dcz_blocksize = 4;
@@ -222,9 +222,9 @@ static void aarch64_a55_initfn(Object *obj)
cpu->isar.id_aa64dfr0 = 0x0000000010305408ull;
SET_IDREG(isar, ID_AA64ISAR0, 0x0000100010211120ull);
SET_IDREG(isar, ID_AA64ISAR1, 0x0000000000100001ull);
- cpu->isar.id_aa64mmfr0 = 0x0000000000101122ull;
- cpu->isar.id_aa64mmfr1 = 0x0000000010212122ull;
- cpu->isar.id_aa64mmfr2 = 0x0000000000001011ull;
+ SET_IDREG(isar, ID_AA64MMFR0, 0x0000000000101122ull);
+ SET_IDREG(isar, ID_AA64MMFR1, 0x0000000010212122ull);
+ SET_IDREG(isar, ID_AA64MMFR2, 0x0000000000001011ull);
SET_IDREG(isar, ID_AA64PFR0, 0x0000000010112222ull);
SET_IDREG(isar, ID_AA64PFR1, 0x0000000000000010ull);
cpu->id_afr0 = 0x00000000;
@@ -312,7 +312,7 @@ static void aarch64_a72_initfn(Object *obj)
SET_IDREG(isar, ID_AA64PFR0, 0x00002222);
cpu->isar.id_aa64dfr0 = 0x10305106;
SET_IDREG(isar, ID_AA64ISAR0, 0x00011120);
- cpu->isar.id_aa64mmfr0 = 0x00001124;
+ SET_IDREG(isar, ID_AA64MMFR0, 0x00001124);
cpu->isar.dbgdidr = 0x3516d000;
cpu->isar.dbgdevid = 0x01110f13;
cpu->isar.dbgdevid1 = 0x2;
@@ -355,9 +355,9 @@ static void aarch64_a76_initfn(Object *obj)
cpu->isar.id_aa64dfr0 = 0x0000000010305408ull;
SET_IDREG(isar, ID_AA64ISAR0, 0x0000100010211120ull);
SET_IDREG(isar, ID_AA64ISAR1, 0x0000000000100001ull);
- cpu->isar.id_aa64mmfr0 = 0x0000000000101122ull;
- cpu->isar.id_aa64mmfr1 = 0x0000000010212122ull;
- cpu->isar.id_aa64mmfr2 = 0x0000000000001011ull;
+ SET_IDREG(isar, ID_AA64MMFR0, 0x0000000000101122ull);
+ SET_IDREG(isar, ID_AA64MMFR1, 0x0000000010212122ull);
+ SET_IDREG(isar, ID_AA64MMFR2, 0x0000000000001011ull);
SET_IDREG(isar, ID_AA64PFR0, 0x1100000010111112ull); /* GIC filled in later */
SET_IDREG(isar, ID_AA64PFR1, 0x0000000000000010ull);
cpu->id_afr0 = 0x00000000;
@@ -430,9 +430,9 @@ static void aarch64_a64fx_initfn(Object *obj)
cpu->isar.id_aa64dfr1 = 0x0000000000000000;
cpu->id_aa64afr0 = 0x0000000000000000;
cpu->id_aa64afr1 = 0x0000000000000000;
- cpu->isar.id_aa64mmfr0 = 0x0000000000001122;
- cpu->isar.id_aa64mmfr1 = 0x0000000011212100;
- cpu->isar.id_aa64mmfr2 = 0x0000000000001011;
+ SET_IDREG(isar, ID_AA64MMFR0, 0x0000000000001122);
+ SET_IDREG(isar, ID_AA64MMFR1, 0x0000000011212100);
+ SET_IDREG(isar, ID_AA64MMFR2, 0x0000000000001011);
SET_IDREG(isar, ID_AA64ISAR0, 0x0000000010211120);
SET_IDREG(isar, ID_AA64ISAR1, 0x0000000000010001);
SET_IDREG(isar, ID_AA64ZFR0, 0x0000000000000000);
@@ -603,9 +603,9 @@ static void aarch64_neoverse_n1_initfn(Object *obj)
cpu->isar.id_aa64dfr0 = 0x0000000110305408ull;
SET_IDREG(isar, ID_AA64ISAR0, 0x0000100010211120ull);
SET_IDREG(isar, ID_AA64ISAR1, 0x0000000000100001ull);
- cpu->isar.id_aa64mmfr0 = 0x0000000000101125ull;
- cpu->isar.id_aa64mmfr1 = 0x0000000010212122ull;
- cpu->isar.id_aa64mmfr2 = 0x0000000000001011ull;
+ SET_IDREG(isar, ID_AA64MMFR0, 0x0000000000101125ull);
+ SET_IDREG(isar, ID_AA64MMFR1, 0x0000000010212122ull);
+ SET_IDREG(isar, ID_AA64MMFR2, 0x0000000000001011ull);
SET_IDREG(isar, ID_AA64PFR0, 0x1100000010111112ull); /* GIC filled in later */
SET_IDREG(isar, ID_AA64PFR1, 0x0000000000000020ull);
cpu->id_afr0 = 0x00000000;
@@ -682,9 +682,9 @@ static void aarch64_neoverse_v1_initfn(Object *obj)
cpu->isar.id_aa64dfr1 = 0x00000000;
SET_IDREG(isar, ID_AA64ISAR0, 0x1011111110212120ull); /* with FEAT_RNG */
SET_IDREG(isar, ID_AA64ISAR1, 0x0011000001211032ull);
- cpu->isar.id_aa64mmfr0 = 0x0000000000101125ull;
- cpu->isar.id_aa64mmfr1 = 0x0000000010212122ull;
- cpu->isar.id_aa64mmfr2 = 0x0220011102101011ull;
+ SET_IDREG(isar, ID_AA64MMFR0, 0x0000000000101125ull);
+ SET_IDREG(isar, ID_AA64MMFR1, 0x0000000010212122ull),
+ SET_IDREG(isar, ID_AA64MMFR2, 0x0220011102101011ull),
SET_IDREG(isar, ID_AA64PFR0, 0x1101110120111112ull); /* GIC filled in later */
SET_IDREG(isar, ID_AA64PFR1, 0x0000000000000020ull);
cpu->id_afr0 = 0x00000000;
@@ -931,9 +931,9 @@ static void aarch64_a710_initfn(Object *obj)
cpu->id_aa64afr1 = 0;
SET_IDREG(isar, ID_AA64ISAR0, 0x0221111110212120ull); /* with Crypto */
SET_IDREG(isar, ID_AA64ISAR1, 0x0010111101211052ull);
- cpu->isar.id_aa64mmfr0 = 0x0000022200101122ull;
- cpu->isar.id_aa64mmfr1 = 0x0000000010212122ull;
- cpu->isar.id_aa64mmfr2 = 0x1221011110101011ull;
+ SET_IDREG(isar, ID_AA64MMFR0, 0x0000022200101122ull);
+ SET_IDREG(isar, ID_AA64MMFR1, 0x0000000010212122ull);
+ SET_IDREG(isar, ID_AA64MMFR2, 0x1221011110101011ull);
cpu->clidr = 0x0000001482000023ull;
cpu->gm_blocksize = 4;
cpu->ctr = 0x000000049444c004ull;
@@ -1033,9 +1033,9 @@ static void aarch64_neoverse_n2_initfn(Object *obj)
cpu->id_aa64afr1 = 0;
SET_IDREG(isar, ID_AA64ISAR0, 0x1221111110212120ull); /* with Crypto and FEAT_RNG */
SET_IDREG(isar, ID_AA64ISAR1, 0x0011111101211052ull);
- cpu->isar.id_aa64mmfr0 = 0x0000022200101125ull;
- cpu->isar.id_aa64mmfr1 = 0x0000000010212122ull;
- cpu->isar.id_aa64mmfr2 = 0x1221011112101011ull;
+ SET_IDREG(isar, ID_AA64MMFR0, 0x0000022200101125ull);
+ SET_IDREG(isar, ID_AA64MMFR1, 0x0000000010212122ull);
+ SET_IDREG(isar, ID_AA64MMFR2, 0x1221011112101011ull);
cpu->clidr = 0x0000001482000023ull;
cpu->gm_blocksize = 4;
cpu->ctr = 0x00000004b444c004ull;
@@ -1206,7 +1206,7 @@ void aarch64_max_tcg_initfn(Object *obj)
t = FIELD_DP64(t, ID_AA64PFR1, NMI, 1); /* FEAT_NMI */
SET_IDREG(isar, ID_AA64PFR1, t);
- t = cpu->isar.id_aa64mmfr0;
+ t = GET_IDREG(isar, ID_AA64MMFR0);
t = FIELD_DP64(t, ID_AA64MMFR0, PARANGE, 6); /* FEAT_LPA: 52 bits */
t = FIELD_DP64(t, ID_AA64MMFR0, TGRAN16, 1); /* 16k pages supported */
t = FIELD_DP64(t, ID_AA64MMFR0, TGRAN16_2, 2); /* 16k stage2 supported */
@@ -1214,9 +1214,9 @@ void aarch64_max_tcg_initfn(Object *obj)
t = FIELD_DP64(t, ID_AA64MMFR0, TGRAN4_2, 2); /* 4k stage2 supported */
t = FIELD_DP64(t, ID_AA64MMFR0, FGT, 1); /* FEAT_FGT */
t = FIELD_DP64(t, ID_AA64MMFR0, ECV, 2); /* FEAT_ECV */
- cpu->isar.id_aa64mmfr0 = t;
+ SET_IDREG(isar, ID_AA64MMFR0, t);
- t = cpu->isar.id_aa64mmfr1;
+ t = GET_IDREG(isar, ID_AA64MMFR1);
t = FIELD_DP64(t, ID_AA64MMFR1, HAFDBS, 2); /* FEAT_HAFDBS */
t = FIELD_DP64(t, ID_AA64MMFR1, VMIDBITS, 2); /* FEAT_VMID16 */
t = FIELD_DP64(t, ID_AA64MMFR1, VH, 1); /* FEAT_VHE */
@@ -1229,9 +1229,9 @@ void aarch64_max_tcg_initfn(Object *obj)
t = FIELD_DP64(t, ID_AA64MMFR1, AFP, 1); /* FEAT_AFP */
t = FIELD_DP64(t, ID_AA64MMFR1, TIDCP1, 1); /* FEAT_TIDCP1 */
t = FIELD_DP64(t, ID_AA64MMFR1, CMOW, 1); /* FEAT_CMOW */
- cpu->isar.id_aa64mmfr1 = t;
+ SET_IDREG(isar, ID_AA64MMFR1, t);
- t = cpu->isar.id_aa64mmfr2;
+ t = GET_IDREG(isar, ID_AA64MMFR2);
t = FIELD_DP64(t, ID_AA64MMFR2, CNP, 1); /* FEAT_TTCNP */
t = FIELD_DP64(t, ID_AA64MMFR2, UAO, 1); /* FEAT_UAO */
t = FIELD_DP64(t, ID_AA64MMFR2, IESB, 1); /* FEAT_IESB */
@@ -1245,11 +1245,9 @@ void aarch64_max_tcg_initfn(Object *obj)
t = FIELD_DP64(t, ID_AA64MMFR2, BBM, 2); /* FEAT_BBM at level 2 */
t = FIELD_DP64(t, ID_AA64MMFR2, EVT, 2); /* FEAT_EVT */
t = FIELD_DP64(t, ID_AA64MMFR2, E0PD, 1); /* FEAT_E0PD */
- cpu->isar.id_aa64mmfr2 = t;
+ SET_IDREG(isar, ID_AA64MMFR2, t);
- t = cpu->isar.id_aa64mmfr3;
- t = FIELD_DP64(t, ID_AA64MMFR3, SPEC_FPACC, 1); /* FEAT_FPACC_SPEC */
- cpu->isar.id_aa64mmfr3 = t;
+ FIELD_DP64_IDREG(isar, ID_AA64MMFR3, SPEC_FPACC, 1); /* FEAT_FPACC_SPEC */
t = GET_IDREG(isar, ID_AA64ZFR0);
t = FIELD_DP64(t, ID_AA64ZFR0, SVEVER, 1);
--
2.49.0
^ permalink raw reply related [flat|nested] 30+ messages in thread
* [PATCH v8 06/14] arm/cpu: Store aa64dfr0/1 into the idregs array
2025-06-17 15:39 [PATCH v8 00/14] arm: rework id register storage Cornelia Huck
` (4 preceding siblings ...)
2025-06-17 15:39 ` [PATCH v8 05/14] arm/cpu: Store aa64mmfr0-3 " Cornelia Huck
@ 2025-06-17 15:39 ` Cornelia Huck
2025-06-17 15:39 ` [PATCH v8 07/14] arm/cpu: Store aa64smfr0 " Cornelia Huck
` (10 subsequent siblings)
16 siblings, 0 replies; 30+ messages in thread
From: Cornelia Huck @ 2025-06-17 15:39 UTC (permalink / raw)
To: eric.auger.pro, eric.auger, qemu-devel, qemu-arm, kvmarm,
peter.maydell, richard.henderson, alex.bennee, maz, oliver.upton,
sebott, shameerali.kolothum.thodi, armbru, berrange, abologna,
jdenemar, agraf
Cc: shahuang, mark.rutland, philmd, pbonzini, Cornelia Huck
From: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Sebastian Ott <sebott@redhat.com>
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
---
target/arm/cpu-features.h | 16 ++++++++--------
target/arm/cpu.c | 15 +++++----------
target/arm/cpu.h | 2 --
target/arm/cpu64.c | 4 ++--
target/arm/helper.c | 4 ++--
target/arm/hvf/hvf.c | 4 ++--
target/arm/internals.h | 6 +++---
target/arm/kvm.c | 12 +++++-------
target/arm/tcg/cpu64.c | 32 ++++++++++++++++----------------
9 files changed, 43 insertions(+), 52 deletions(-)
diff --git a/target/arm/cpu-features.h b/target/arm/cpu-features.h
index 89c9278639bf..9517e8a74c83 100644
--- a/target/arm/cpu-features.h
+++ b/target/arm/cpu-features.h
@@ -901,30 +901,30 @@ static inline bool isar_feature_aa64_nv2(const ARMISARegisters *id)
static inline bool isar_feature_aa64_pmuv3p1(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64dfr0, ID_AA64DFR0, PMUVER) >= 4 &&
- FIELD_EX64(id->id_aa64dfr0, ID_AA64DFR0, PMUVER) != 0xf;
+ return FIELD_EX64_IDREG(id, ID_AA64DFR0, PMUVER) >= 4 &&
+ FIELD_EX64_IDREG(id, ID_AA64DFR0, PMUVER) != 0xf;
}
static inline bool isar_feature_aa64_pmuv3p4(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64dfr0, ID_AA64DFR0, PMUVER) >= 5 &&
- FIELD_EX64(id->id_aa64dfr0, ID_AA64DFR0, PMUVER) != 0xf;
+ return FIELD_EX64_IDREG(id, ID_AA64DFR0, PMUVER) >= 5 &&
+ FIELD_EX64_IDREG(id, ID_AA64DFR0, PMUVER) != 0xf;
}
static inline bool isar_feature_aa64_pmuv3p5(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64dfr0, ID_AA64DFR0, PMUVER) >= 6 &&
- FIELD_EX64(id->id_aa64dfr0, ID_AA64DFR0, PMUVER) != 0xf;
+ return FIELD_EX64_IDREG(id, ID_AA64DFR0, PMUVER) >= 6 &&
+ FIELD_EX64_IDREG(id, ID_AA64DFR0, PMUVER) != 0xf;
}
static inline bool isar_feature_aa64_debugv8p2(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64dfr0, ID_AA64DFR0, DEBUGVER) >= 8;
+ return FIELD_EX64_IDREG(id, ID_AA64DFR0, DEBUGVER) >= 8;
}
static inline bool isar_feature_aa64_doublelock(const ARMISARegisters *id)
{
- return FIELD_SEX64(id->id_aa64dfr0, ID_AA64DFR0, DOUBLELOCK) >= 0;
+ return FIELD_SEX64_IDREG(id, ID_AA64DFR0, DOUBLELOCK) >= 0;
}
static inline bool isar_feature_aa64_sve2(const ARMISARegisters *id)
diff --git a/target/arm/cpu.c b/target/arm/cpu.c
index d39e8dc95604..400bee849439 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -2347,8 +2347,7 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
cpu);
#endif
} else {
- cpu->isar.id_aa64dfr0 =
- FIELD_DP64(cpu->isar.id_aa64dfr0, ID_AA64DFR0, PMUVER, 0);
+ FIELD_DP64_IDREG(isar, ID_AA64DFR0, PMUVER, 0);
cpu->isar.id_dfr0 = FIELD_DP32(cpu->isar.id_dfr0, ID_DFR0, PERFMON, 0);
cpu->pmceid0 = 0;
cpu->pmceid1 = 0;
@@ -2408,19 +2407,15 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
* try to access the non-existent system registers for them.
*/
/* FEAT_SPE (Statistical Profiling Extension) */
- cpu->isar.id_aa64dfr0 =
- FIELD_DP64(cpu->isar.id_aa64dfr0, ID_AA64DFR0, PMSVER, 0);
+ FIELD_DP64_IDREG(isar, ID_AA64DFR0, PMSVER, 0);
/* FEAT_TRBE (Trace Buffer Extension) */
- cpu->isar.id_aa64dfr0 =
- FIELD_DP64(cpu->isar.id_aa64dfr0, ID_AA64DFR0, TRACEBUFFER, 0);
+ FIELD_DP64_IDREG(isar, ID_AA64DFR0, TRACEBUFFER, 0);
/* FEAT_TRF (Self-hosted Trace Extension) */
- cpu->isar.id_aa64dfr0 =
- FIELD_DP64(cpu->isar.id_aa64dfr0, ID_AA64DFR0, TRACEFILT, 0);
+ FIELD_DP64_IDREG(isar, ID_AA64DFR0, TRACEFILT, 0);
cpu->isar.id_dfr0 =
FIELD_DP32(cpu->isar.id_dfr0, ID_DFR0, TRACEFILT, 0);
/* Trace Macrocell system register access */
- cpu->isar.id_aa64dfr0 =
- FIELD_DP64(cpu->isar.id_aa64dfr0, ID_AA64DFR0, TRACEVER, 0);
+ FIELD_DP64_IDREG(isar, ID_AA64DFR0, TRACEVER, 0);
cpu->isar.id_dfr0 =
FIELD_DP32(cpu->isar.id_dfr0, ID_DFR0, COPTRC, 0);
/* Memory mapped trace */
diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index df9b7cc8c84c..c7935377c6f8 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -1074,8 +1074,6 @@ struct ArchCPU {
uint32_t dbgdidr;
uint32_t dbgdevid;
uint32_t dbgdevid1;
- uint64_t id_aa64dfr0;
- uint64_t id_aa64dfr1;
uint64_t id_aa64smfr0;
uint64_t reset_pmcr_el0;
uint64_t idregs[NUM_ID_IDX];
diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c
index 500f3646bfad..a215ba8b479c 100644
--- a/target/arm/cpu64.c
+++ b/target/arm/cpu64.c
@@ -671,7 +671,7 @@ static void aarch64_a57_initfn(Object *obj)
cpu->isar.id_isar5 = 0x00011121;
cpu->isar.id_isar6 = 0;
SET_IDREG(isar, ID_AA64PFR0, 0x00002222);
- cpu->isar.id_aa64dfr0 = 0x10305106;
+ SET_IDREG(isar, ID_AA64DFR0, 0x10305106);
SET_IDREG(isar, ID_AA64ISAR0, 0x00011120);
SET_IDREG(isar, ID_AA64MMFR0, 0x00001124);
cpu->isar.dbgdidr = 0x3516d000;
@@ -733,7 +733,7 @@ static void aarch64_a53_initfn(Object *obj)
cpu->isar.id_isar5 = 0x00011121;
cpu->isar.id_isar6 = 0;
SET_IDREG(isar, ID_AA64PFR0, 0x00002222);
- cpu->isar.id_aa64dfr0 = 0x10305106;
+ SET_IDREG(isar, ID_AA64DFR0, 0x10305106);
SET_IDREG(isar, ID_AA64ISAR0, 0x00011120);
SET_IDREG(isar, ID_AA64MMFR0, 0x00001122); /* 40 bit physical addr */
cpu->isar.dbgdidr = 0x3516d000;
diff --git a/target/arm/helper.c b/target/arm/helper.c
index 48fcd755dcdb..bdfc2ee9d5cc 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -7963,12 +7963,12 @@ void register_cp_regs_for_features(ARMCPU *cpu)
.opc0 = 3, .opc1 = 0, .crn = 0, .crm = 5, .opc2 = 0,
.access = PL1_R, .type = ARM_CP_CONST,
.accessfn = access_aa64_tid3,
- .resetvalue = cpu->isar.id_aa64dfr0 },
+ .resetvalue = GET_IDREG(isar, ID_AA64DFR0) },
{ .name = "ID_AA64DFR1_EL1", .state = ARM_CP_STATE_AA64,
.opc0 = 3, .opc1 = 0, .crn = 0, .crm = 5, .opc2 = 1,
.access = PL1_R, .type = ARM_CP_CONST,
.accessfn = access_aa64_tid3,
- .resetvalue = cpu->isar.id_aa64dfr1 },
+ .resetvalue = GET_IDREG(isar, ID_AA64DFR1) },
{ .name = "ID_AA64DFR2_EL1_RESERVED", .state = ARM_CP_STATE_AA64,
.opc0 = 3, .opc1 = 0, .crn = 0, .crm = 5, .opc2 = 2,
.access = PL1_R, .type = ARM_CP_CONST,
diff --git a/target/arm/hvf/hvf.c b/target/arm/hvf/hvf.c
index 37a6303ec2a4..5c95ccc5b8db 100644
--- a/target/arm/hvf/hvf.c
+++ b/target/arm/hvf/hvf.c
@@ -868,8 +868,8 @@ static bool hvf_arm_get_host_cpu_features(ARMHostCPUFeatures *ahcf)
} regs[] = {
{ HV_SYS_REG_ID_AA64PFR0_EL1, &host_isar.idregs[ID_AA64PFR0_EL1_IDX] },
{ HV_SYS_REG_ID_AA64PFR1_EL1, &host_isar.idregs[ID_AA64PFR1_EL1_IDX] },
- { HV_SYS_REG_ID_AA64DFR0_EL1, &host_isar.id_aa64dfr0 },
- { HV_SYS_REG_ID_AA64DFR1_EL1, &host_isar.id_aa64dfr1 },
+ { HV_SYS_REG_ID_AA64DFR0_EL1, &host_isar.idregs[ID_AA64DFR0_EL1_IDX] },
+ { HV_SYS_REG_ID_AA64DFR1_EL1, &host_isar.idregs[ID_AA64DFR1_EL1_IDX] },
{ HV_SYS_REG_ID_AA64ISAR0_EL1, &host_isar.idregs[ID_AA64ISAR0_EL1_IDX] },
{ HV_SYS_REG_ID_AA64ISAR1_EL1, &host_isar.idregs[ID_AA64ISAR1_EL1_IDX] },
/* Add ID_AA64ISAR2_EL1 here when HVF supports it */
diff --git a/target/arm/internals.h b/target/arm/internals.h
index 3360de9150f7..6216f68c94f1 100644
--- a/target/arm/internals.h
+++ b/target/arm/internals.h
@@ -1175,7 +1175,7 @@ static inline bool regime_using_lpae_format(CPUARMState *env, ARMMMUIdx mmu_idx)
static inline int arm_num_brps(ARMCPU *cpu)
{
if (arm_feature(&cpu->env, ARM_FEATURE_AARCH64)) {
- return FIELD_EX64(cpu->isar.id_aa64dfr0, ID_AA64DFR0, BRPS) + 1;
+ return FIELD_EX64_IDREG(&cpu->isar, ID_AA64DFR0, BRPS) + 1;
} else {
return FIELD_EX32(cpu->isar.dbgdidr, DBGDIDR, BRPS) + 1;
}
@@ -1189,7 +1189,7 @@ static inline int arm_num_brps(ARMCPU *cpu)
static inline int arm_num_wrps(ARMCPU *cpu)
{
if (arm_feature(&cpu->env, ARM_FEATURE_AARCH64)) {
- return FIELD_EX64(cpu->isar.id_aa64dfr0, ID_AA64DFR0, WRPS) + 1;
+ return FIELD_EX64_IDREG(&cpu->isar, ID_AA64DFR0, WRPS) + 1;
} else {
return FIELD_EX32(cpu->isar.dbgdidr, DBGDIDR, WRPS) + 1;
}
@@ -1203,7 +1203,7 @@ static inline int arm_num_wrps(ARMCPU *cpu)
static inline int arm_num_ctx_cmps(ARMCPU *cpu)
{
if (arm_feature(&cpu->env, ARM_FEATURE_AARCH64)) {
- return FIELD_EX64(cpu->isar.id_aa64dfr0, ID_AA64DFR0, CTX_CMPS) + 1;
+ return FIELD_EX64_IDREG(&cpu->isar, ID_AA64DFR0, CTX_CMPS) + 1;
} else {
return FIELD_EX32(cpu->isar.dbgdidr, DBGDIDR, CTX_CMPS) + 1;
}
diff --git a/target/arm/kvm.c b/target/arm/kvm.c
index 1dde96fbbda7..479e5860e024 100644
--- a/target/arm/kvm.c
+++ b/target/arm/kvm.c
@@ -316,10 +316,8 @@ static bool kvm_arm_get_host_cpu_features(ARMHostCPUFeatures *ahcf)
err |= get_host_cpu_reg(fd, ahcf, ID_AA64PFR1_EL1_IDX);
err |= read_sys_reg64(fdarray[2], &ahcf->isar.id_aa64smfr0,
ARM64_SYS_REG(3, 0, 0, 4, 5));
- err |= read_sys_reg64(fdarray[2], &ahcf->isar.id_aa64dfr0,
- ARM64_SYS_REG(3, 0, 0, 5, 0));
- err |= read_sys_reg64(fdarray[2], &ahcf->isar.id_aa64dfr1,
- ARM64_SYS_REG(3, 0, 0, 5, 1));
+ err |= get_host_cpu_reg(fd, ahcf, ID_AA64DFR0_EL1_IDX);
+ err |= get_host_cpu_reg(fd, ahcf, ID_AA64DFR1_EL1_IDX);
err |= get_host_cpu_reg(fd, ahcf, ID_AA64ISAR0_EL1_IDX);
err |= get_host_cpu_reg(fd, ahcf, ID_AA64ISAR1_EL1_IDX);
err |= get_host_cpu_reg(fd, ahcf, ID_AA64ISAR2_EL1_IDX);
@@ -390,10 +388,10 @@ static bool kvm_arm_get_host_cpu_features(ARMHostCPUFeatures *ahcf)
* We only do this if the CPU supports AArch32 at EL1.
*/
if (FIELD_EX32_IDREG(&ahcf->isar, ID_AA64PFR0, EL1) >= 2) {
- int wrps = FIELD_EX64(ahcf->isar.id_aa64dfr0, ID_AA64DFR0, WRPS);
- int brps = FIELD_EX64(ahcf->isar.id_aa64dfr0, ID_AA64DFR0, BRPS);
+ int wrps = FIELD_EX64_IDREG(&ahcf->isar, ID_AA64DFR0, WRPS);
+ int brps = FIELD_EX64_IDREG(&ahcf->isar, ID_AA64DFR0, BRPS);
int ctx_cmps =
- FIELD_EX64(ahcf->isar.id_aa64dfr0, ID_AA64DFR0, CTX_CMPS);
+ FIELD_EX64_IDREG(&ahcf->isar, ID_AA64DFR0, CTX_CMPS);
int version = 6; /* ARMv8 debug architecture */
bool has_el3 =
!!FIELD_EX32_IDREG(&ahcf->isar, ID_AA64PFR0, EL3);
diff --git a/target/arm/tcg/cpu64.c b/target/arm/tcg/cpu64.c
index 9efb7f0ce800..7e18d31a2535 100644
--- a/target/arm/tcg/cpu64.c
+++ b/target/arm/tcg/cpu64.c
@@ -65,8 +65,8 @@ static void aarch64_a35_initfn(Object *obj)
cpu->isar.id_isar5 = 0x00011121;
SET_IDREG(isar, ID_AA64PFR0, 0x00002222);
SET_IDREG(isar, ID_AA64PFR1, 0);
- cpu->isar.id_aa64dfr0 = 0x10305106;
- cpu->isar.id_aa64dfr1 = 0;
+ SET_IDREG(isar, ID_AA64DFR0, 0x10305106);
+ SET_IDREG(isar, ID_AA64DFR1, 0);
SET_IDREG(isar, ID_AA64ISAR0, 0x00011120);
SET_IDREG(isar, ID_AA64ISAR1, 0);
SET_IDREG(isar, ID_AA64MMFR0, 0x00101122);
@@ -219,7 +219,7 @@ static void aarch64_a55_initfn(Object *obj)
cpu->clidr = 0x82000023;
cpu->ctr = 0x84448004; /* L1Ip = VIPT */
cpu->dcz_blocksize = 4; /* 64 bytes */
- cpu->isar.id_aa64dfr0 = 0x0000000010305408ull;
+ SET_IDREG(isar, ID_AA64DFR0, 0x0000000010305408ull);
SET_IDREG(isar, ID_AA64ISAR0, 0x0000100010211120ull);
SET_IDREG(isar, ID_AA64ISAR1, 0x0000000000100001ull);
SET_IDREG(isar, ID_AA64MMFR0, 0x0000000000101122ull);
@@ -310,7 +310,7 @@ static void aarch64_a72_initfn(Object *obj)
cpu->isar.id_isar4 = 0x00011142;
cpu->isar.id_isar5 = 0x00011121;
SET_IDREG(isar, ID_AA64PFR0, 0x00002222);
- cpu->isar.id_aa64dfr0 = 0x10305106;
+ SET_IDREG(isar, ID_AA64DFR0, 0x10305106);
SET_IDREG(isar, ID_AA64ISAR0, 0x00011120);
SET_IDREG(isar, ID_AA64MMFR0, 0x00001124);
cpu->isar.dbgdidr = 0x3516d000;
@@ -352,7 +352,7 @@ static void aarch64_a76_initfn(Object *obj)
cpu->clidr = 0x82000023;
cpu->ctr = 0x8444C004;
cpu->dcz_blocksize = 4;
- cpu->isar.id_aa64dfr0 = 0x0000000010305408ull;
+ SET_IDREG(isar, ID_AA64DFR0, 0x0000000010305408ull),
SET_IDREG(isar, ID_AA64ISAR0, 0x0000100010211120ull);
SET_IDREG(isar, ID_AA64ISAR1, 0x0000000000100001ull);
SET_IDREG(isar, ID_AA64MMFR0, 0x0000000000101122ull);
@@ -426,8 +426,8 @@ static void aarch64_a64fx_initfn(Object *obj)
cpu->reset_sctlr = 0x30000180;
SET_IDREG(isar, ID_AA64PFR0, 0x0000000101111111); /* No RAS Extensions */
SET_IDREG(isar, ID_AA64PFR1, 0x0000000000000000);
- cpu->isar.id_aa64dfr0 = 0x0000000010305408;
- cpu->isar.id_aa64dfr1 = 0x0000000000000000;
+ SET_IDREG(isar, ID_AA64DFR0, 0x0000000010305408),
+ SET_IDREG(isar, ID_AA64DFR1, 0x0000000000000000),
cpu->id_aa64afr0 = 0x0000000000000000;
cpu->id_aa64afr1 = 0x0000000000000000;
SET_IDREG(isar, ID_AA64MMFR0, 0x0000000000001122);
@@ -600,7 +600,7 @@ static void aarch64_neoverse_n1_initfn(Object *obj)
cpu->clidr = 0x82000023;
cpu->ctr = 0x8444c004;
cpu->dcz_blocksize = 4;
- cpu->isar.id_aa64dfr0 = 0x0000000110305408ull;
+ SET_IDREG(isar, ID_AA64DFR0, 0x0000000110305408ull);
SET_IDREG(isar, ID_AA64ISAR0, 0x0000100010211120ull);
SET_IDREG(isar, ID_AA64ISAR1, 0x0000000000100001ull);
SET_IDREG(isar, ID_AA64MMFR0, 0x0000000000101125ull);
@@ -678,8 +678,8 @@ static void aarch64_neoverse_v1_initfn(Object *obj)
cpu->dcz_blocksize = 4;
cpu->id_aa64afr0 = 0x00000000;
cpu->id_aa64afr1 = 0x00000000;
- cpu->isar.id_aa64dfr0 = 0x000001f210305519ull;
- cpu->isar.id_aa64dfr1 = 0x00000000;
+ SET_IDREG(isar, ID_AA64DFR0, 0x000001f210305519ull),
+ SET_IDREG(isar, ID_AA64DFR1, 0x00000000),
SET_IDREG(isar, ID_AA64ISAR0, 0x1011111110212120ull); /* with FEAT_RNG */
SET_IDREG(isar, ID_AA64ISAR1, 0x0011000001211032ull);
SET_IDREG(isar, ID_AA64MMFR0, 0x0000000000101125ull);
@@ -925,8 +925,8 @@ static void aarch64_a710_initfn(Object *obj)
SET_IDREG(isar, ID_AA64PFR0, 0x1201111120111112ull); /* GIC filled in later */
SET_IDREG(isar, ID_AA64PFR1, 0x0000000000000221ull);
SET_IDREG(isar, ID_AA64ZFR0, 0x0000110100110021ull); /* with Crypto */
- cpu->isar.id_aa64dfr0 = 0x000011f010305619ull;
- cpu->isar.id_aa64dfr1 = 0;
+ SET_IDREG(isar, ID_AA64DFR0, 0x000011f010305619ull);
+ SET_IDREG(isar, ID_AA64DFR1, 0);
cpu->id_aa64afr0 = 0;
cpu->id_aa64afr1 = 0;
SET_IDREG(isar, ID_AA64ISAR0, 0x0221111110212120ull); /* with Crypto */
@@ -1027,8 +1027,8 @@ static void aarch64_neoverse_n2_initfn(Object *obj)
SET_IDREG(isar, ID_AA64PFR0, 0x1201111120111112ull); /* GIC filled in later */
SET_IDREG(isar, ID_AA64PFR1, 0x0000000000000221ull);
SET_IDREG(isar, ID_AA64ZFR0, 0x0000110100110021ull); /* with Crypto */
- cpu->isar.id_aa64dfr0 = 0x000011f210305619ull;
- cpu->isar.id_aa64dfr1 = 0;
+ SET_IDREG(isar, ID_AA64DFR0, 0x000011f210305619ull);
+ SET_IDREG(isar, ID_AA64DFR1, 0);
cpu->id_aa64afr0 = 0;
cpu->id_aa64afr1 = 0;
SET_IDREG(isar, ID_AA64ISAR0, 0x1221111110212120ull); /* with Crypto and FEAT_RNG */
@@ -1261,11 +1261,11 @@ void aarch64_max_tcg_initfn(Object *obj)
t = FIELD_DP64(t, ID_AA64ZFR0, F64MM, 1); /* FEAT_F64MM */
SET_IDREG(isar, ID_AA64ZFR0, t);
- t = cpu->isar.id_aa64dfr0;
+ t = GET_IDREG(isar, ID_AA64DFR0);
t = FIELD_DP64(t, ID_AA64DFR0, DEBUGVER, 10); /* FEAT_Debugv8p8 */
t = FIELD_DP64(t, ID_AA64DFR0, PMUVER, 6); /* FEAT_PMUv3p5 */
t = FIELD_DP64(t, ID_AA64DFR0, HPMN0, 1); /* FEAT_HPMN0 */
- cpu->isar.id_aa64dfr0 = t;
+ SET_IDREG(isar, ID_AA64DFR0, t);
t = cpu->isar.id_aa64smfr0;
t = FIELD_DP64(t, ID_AA64SMFR0, F32F32, 1); /* FEAT_SME */
--
2.49.0
^ permalink raw reply related [flat|nested] 30+ messages in thread
* [PATCH v8 07/14] arm/cpu: Store aa64smfr0 into the idregs array
2025-06-17 15:39 [PATCH v8 00/14] arm: rework id register storage Cornelia Huck
` (5 preceding siblings ...)
2025-06-17 15:39 ` [PATCH v8 06/14] arm/cpu: Store aa64dfr0/1 " Cornelia Huck
@ 2025-06-17 15:39 ` Cornelia Huck
2025-06-17 15:39 ` [PATCH v8 08/14] arm/cpu: Store id_isar0-7 " Cornelia Huck
` (9 subsequent siblings)
16 siblings, 0 replies; 30+ messages in thread
From: Cornelia Huck @ 2025-06-17 15:39 UTC (permalink / raw)
To: eric.auger.pro, eric.auger, qemu-devel, qemu-arm, kvmarm,
peter.maydell, richard.henderson, alex.bennee, maz, oliver.upton,
sebott, shameerali.kolothum.thodi, armbru, berrange, abologna,
jdenemar, agraf
Cc: shahuang, mark.rutland, philmd, pbonzini, Cornelia Huck
From: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Sebastian Ott <sebott@redhat.com>
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
---
target/arm/cpu-features.h | 6 +++---
target/arm/cpu.h | 1 -
target/arm/cpu64.c | 7 ++-----
target/arm/helper.c | 2 +-
target/arm/kvm.c | 3 +--
target/arm/tcg/cpu64.c | 4 ++--
6 files changed, 9 insertions(+), 14 deletions(-)
diff --git a/target/arm/cpu-features.h b/target/arm/cpu-features.h
index 9517e8a74c83..051ed7b8847a 100644
--- a/target/arm/cpu-features.h
+++ b/target/arm/cpu-features.h
@@ -979,17 +979,17 @@ static inline bool isar_feature_aa64_sve_f64mm(const ARMISARegisters *id)
static inline bool isar_feature_aa64_sme_f64f64(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64smfr0, ID_AA64SMFR0, F64F64);
+ return FIELD_EX64_IDREG(id, ID_AA64SMFR0, F64F64);
}
static inline bool isar_feature_aa64_sme_i16i64(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64smfr0, ID_AA64SMFR0, I16I64) == 0xf;
+ return FIELD_EX64_IDREG(id, ID_AA64SMFR0, I16I64) == 0xf;
}
static inline bool isar_feature_aa64_sme_fa64(const ARMISARegisters *id)
{
- return FIELD_EX64(id->id_aa64smfr0, ID_AA64SMFR0, FA64);
+ return FIELD_EX64_IDREG(id, ID_AA64SMFR0, FA64);
}
/*
diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index c7935377c6f8..1083ae7623b1 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -1074,7 +1074,6 @@ struct ArchCPU {
uint32_t dbgdidr;
uint32_t dbgdevid;
uint32_t dbgdevid1;
- uint64_t id_aa64smfr0;
uint64_t reset_pmcr_el0;
uint64_t idregs[NUM_ID_IDX];
} isar;
diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c
index a215ba8b479c..0f938155d28e 100644
--- a/target/arm/cpu64.c
+++ b/target/arm/cpu64.c
@@ -328,7 +328,7 @@ void arm_cpu_sme_finalize(ARMCPU *cpu, Error **errp)
if (vq_map == 0) {
if (!cpu_isar_feature(aa64_sme, cpu)) {
- cpu->isar.id_aa64smfr0 = 0;
+ SET_IDREG(&cpu->isar, ID_AA64SMFR0, 0);
return;
}
@@ -381,11 +381,8 @@ static bool cpu_arm_get_sme_fa64(Object *obj, Error **errp)
static void cpu_arm_set_sme_fa64(Object *obj, bool value, Error **errp)
{
ARMCPU *cpu = ARM_CPU(obj);
- uint64_t t;
- t = cpu->isar.id_aa64smfr0;
- t = FIELD_DP64(t, ID_AA64SMFR0, FA64, value);
- cpu->isar.id_aa64smfr0 = t;
+ FIELD_DP64_IDREG(&cpu->isar, ID_AA64SMFR0, FA64, value);
}
#ifdef CONFIG_USER_ONLY
diff --git a/target/arm/helper.c b/target/arm/helper.c
index bdfc2ee9d5cc..6ca85ea0cb5a 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -7948,7 +7948,7 @@ void register_cp_regs_for_features(ARMCPU *cpu)
.opc0 = 3, .opc1 = 0, .crn = 0, .crm = 4, .opc2 = 5,
.access = PL1_R, .type = ARM_CP_CONST,
.accessfn = access_aa64_tid3,
- .resetvalue = cpu->isar.id_aa64smfr0 },
+ .resetvalue = GET_IDREG(isar, ID_AA64SMFR0)},
{ .name = "ID_AA64PFR6_EL1_RESERVED", .state = ARM_CP_STATE_AA64,
.opc0 = 3, .opc1 = 0, .crn = 0, .crm = 4, .opc2 = 6,
.access = PL1_R, .type = ARM_CP_CONST,
diff --git a/target/arm/kvm.c b/target/arm/kvm.c
index 479e5860e024..873685586147 100644
--- a/target/arm/kvm.c
+++ b/target/arm/kvm.c
@@ -314,8 +314,7 @@ static bool kvm_arm_get_host_cpu_features(ARMHostCPUFeatures *ahcf)
err = 0;
} else {
err |= get_host_cpu_reg(fd, ahcf, ID_AA64PFR1_EL1_IDX);
- err |= read_sys_reg64(fdarray[2], &ahcf->isar.id_aa64smfr0,
- ARM64_SYS_REG(3, 0, 0, 4, 5));
+ err |= get_host_cpu_reg(fd, ahcf, ID_AA64SMFR0_EL1_IDX);
err |= get_host_cpu_reg(fd, ahcf, ID_AA64DFR0_EL1_IDX);
err |= get_host_cpu_reg(fd, ahcf, ID_AA64DFR1_EL1_IDX);
err |= get_host_cpu_reg(fd, ahcf, ID_AA64ISAR0_EL1_IDX);
diff --git a/target/arm/tcg/cpu64.c b/target/arm/tcg/cpu64.c
index 7e18d31a2535..80a99ab025da 100644
--- a/target/arm/tcg/cpu64.c
+++ b/target/arm/tcg/cpu64.c
@@ -1267,7 +1267,7 @@ void aarch64_max_tcg_initfn(Object *obj)
t = FIELD_DP64(t, ID_AA64DFR0, HPMN0, 1); /* FEAT_HPMN0 */
SET_IDREG(isar, ID_AA64DFR0, t);
- t = cpu->isar.id_aa64smfr0;
+ t = GET_IDREG(isar, ID_AA64SMFR0);
t = FIELD_DP64(t, ID_AA64SMFR0, F32F32, 1); /* FEAT_SME */
t = FIELD_DP64(t, ID_AA64SMFR0, B16F32, 1); /* FEAT_SME */
t = FIELD_DP64(t, ID_AA64SMFR0, F16F32, 1); /* FEAT_SME */
@@ -1275,7 +1275,7 @@ void aarch64_max_tcg_initfn(Object *obj)
t = FIELD_DP64(t, ID_AA64SMFR0, F64F64, 1); /* FEAT_SME_F64F64 */
t = FIELD_DP64(t, ID_AA64SMFR0, I16I64, 0xf); /* FEAT_SME_I16I64 */
t = FIELD_DP64(t, ID_AA64SMFR0, FA64, 1); /* FEAT_SME_FA64 */
- cpu->isar.id_aa64smfr0 = t;
+ SET_IDREG(isar, ID_AA64SMFR0, t);
/* Replicate the same data to the 32-bit id registers. */
aa32_max_features(cpu);
--
2.49.0
^ permalink raw reply related [flat|nested] 30+ messages in thread
* [PATCH v8 08/14] arm/cpu: Store id_isar0-7 into the idregs array
2025-06-17 15:39 [PATCH v8 00/14] arm: rework id register storage Cornelia Huck
` (6 preceding siblings ...)
2025-06-17 15:39 ` [PATCH v8 07/14] arm/cpu: Store aa64smfr0 " Cornelia Huck
@ 2025-06-17 15:39 ` Cornelia Huck
2025-06-17 15:39 ` [PATCH v8 09/14] arm/cpu: Store id_pfr0/1/2 " Cornelia Huck
` (8 subsequent siblings)
16 siblings, 0 replies; 30+ messages in thread
From: Cornelia Huck @ 2025-06-17 15:39 UTC (permalink / raw)
To: eric.auger.pro, eric.auger, qemu-devel, qemu-arm, kvmarm,
peter.maydell, richard.henderson, alex.bennee, maz, oliver.upton,
sebott, shameerali.kolothum.thodi, armbru, berrange, abologna,
jdenemar, agraf
Cc: shahuang, mark.rutland, philmd, pbonzini, Cornelia Huck
From: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Sebastian Ott <sebott@redhat.com>
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
---
hw/intc/armv7m_nvic.c | 12 ++--
target/arm/cpu-features.h | 36 +++++-----
target/arm/cpu.c | 24 +++----
target/arm/cpu.h | 7 --
target/arm/cpu64.c | 28 ++++----
target/arm/helper.c | 14 ++--
target/arm/kvm.c | 21 ++----
target/arm/tcg/cpu-v7m.c | 90 +++++++++++++-----------
target/arm/tcg/cpu32.c | 144 +++++++++++++++++++++-----------------
target/arm/tcg/cpu64.c | 108 ++++++++++++++--------------
10 files changed, 243 insertions(+), 241 deletions(-)
diff --git a/hw/intc/armv7m_nvic.c b/hw/intc/armv7m_nvic.c
index 83ff74f899f6..fdb7f58e3678 100644
--- a/hw/intc/armv7m_nvic.c
+++ b/hw/intc/armv7m_nvic.c
@@ -1303,32 +1303,32 @@ static uint32_t nvic_readl(NVICState *s, uint32_t offset, MemTxAttrs attrs)
if (!arm_feature(&cpu->env, ARM_FEATURE_M_MAIN)) {
goto bad_offset;
}
- return cpu->isar.id_isar0;
+ return GET_IDREG(&cpu->isar, ID_ISAR0);
case 0xd64: /* ISAR1. */
if (!arm_feature(&cpu->env, ARM_FEATURE_M_MAIN)) {
goto bad_offset;
}
- return cpu->isar.id_isar1;
+ return GET_IDREG(&cpu->isar, ID_ISAR1);
case 0xd68: /* ISAR2. */
if (!arm_feature(&cpu->env, ARM_FEATURE_M_MAIN)) {
goto bad_offset;
}
- return cpu->isar.id_isar2;
+ return GET_IDREG(&cpu->isar, ID_ISAR2);
case 0xd6c: /* ISAR3. */
if (!arm_feature(&cpu->env, ARM_FEATURE_M_MAIN)) {
goto bad_offset;
}
- return cpu->isar.id_isar3;
+ return GET_IDREG(&cpu->isar, ID_ISAR3);
case 0xd70: /* ISAR4. */
if (!arm_feature(&cpu->env, ARM_FEATURE_M_MAIN)) {
goto bad_offset;
}
- return cpu->isar.id_isar4;
+ return GET_IDREG(&cpu->isar, ID_ISAR4);
case 0xd74: /* ISAR5. */
if (!arm_feature(&cpu->env, ARM_FEATURE_M_MAIN)) {
goto bad_offset;
}
- return cpu->isar.id_isar5;
+ return GET_IDREG(&cpu->isar, ID_ISAR5);
case 0xd78: /* CLIDR */
return cpu->clidr;
case 0xd7c: /* CTR */
diff --git a/target/arm/cpu-features.h b/target/arm/cpu-features.h
index 051ed7b8847a..75a2cc407793 100644
--- a/target/arm/cpu-features.h
+++ b/target/arm/cpu-features.h
@@ -46,93 +46,93 @@
*/
static inline bool isar_feature_aa32_thumb_div(const ARMISARegisters *id)
{
- return FIELD_EX32(id->id_isar0, ID_ISAR0, DIVIDE) != 0;
+ return FIELD_EX32_IDREG(id, ID_ISAR0, DIVIDE) != 0;
}
static inline bool isar_feature_aa32_arm_div(const ARMISARegisters *id)
{
- return FIELD_EX32(id->id_isar0, ID_ISAR0, DIVIDE) > 1;
+ return FIELD_EX32_IDREG(id, ID_ISAR0, DIVIDE) > 1;
}
static inline bool isar_feature_aa32_lob(const ARMISARegisters *id)
{
/* (M-profile) low-overhead loops and branch future */
- return FIELD_EX32(id->id_isar0, ID_ISAR0, CMPBRANCH) >= 3;
+ return FIELD_EX32_IDREG(id, ID_ISAR0, CMPBRANCH) >= 3;
}
static inline bool isar_feature_aa32_jazelle(const ARMISARegisters *id)
{
- return FIELD_EX32(id->id_isar1, ID_ISAR1, JAZELLE) != 0;
+ return FIELD_EX32_IDREG(id, ID_ISAR1, JAZELLE) != 0;
}
static inline bool isar_feature_aa32_aes(const ARMISARegisters *id)
{
- return FIELD_EX32(id->id_isar5, ID_ISAR5, AES) != 0;
+ return FIELD_EX32_IDREG(id, ID_ISAR5, AES) != 0;
}
static inline bool isar_feature_aa32_pmull(const ARMISARegisters *id)
{
- return FIELD_EX32(id->id_isar5, ID_ISAR5, AES) > 1;
+ return FIELD_EX32_IDREG(id, ID_ISAR5, AES) > 1;
}
static inline bool isar_feature_aa32_sha1(const ARMISARegisters *id)
{
- return FIELD_EX32(id->id_isar5, ID_ISAR5, SHA1) != 0;
+ return FIELD_EX32_IDREG(id, ID_ISAR5, SHA1) != 0;
}
static inline bool isar_feature_aa32_sha2(const ARMISARegisters *id)
{
- return FIELD_EX32(id->id_isar5, ID_ISAR5, SHA2) != 0;
+ return FIELD_EX32_IDREG(id, ID_ISAR5, SHA2) != 0;
}
static inline bool isar_feature_aa32_crc32(const ARMISARegisters *id)
{
- return FIELD_EX32(id->id_isar5, ID_ISAR5, CRC32) != 0;
+ return FIELD_EX32_IDREG(id, ID_ISAR5, CRC32) != 0;
}
static inline bool isar_feature_aa32_rdm(const ARMISARegisters *id)
{
- return FIELD_EX32(id->id_isar5, ID_ISAR5, RDM) != 0;
+ return FIELD_EX32_IDREG(id, ID_ISAR5, RDM) != 0;
}
static inline bool isar_feature_aa32_vcma(const ARMISARegisters *id)
{
- return FIELD_EX32(id->id_isar5, ID_ISAR5, VCMA) != 0;
+ return FIELD_EX32_IDREG(id, ID_ISAR5, VCMA) != 0;
}
static inline bool isar_feature_aa32_jscvt(const ARMISARegisters *id)
{
- return FIELD_EX32(id->id_isar6, ID_ISAR6, JSCVT) != 0;
+ return FIELD_EX32_IDREG(id, ID_ISAR6, JSCVT) != 0;
}
static inline bool isar_feature_aa32_dp(const ARMISARegisters *id)
{
- return FIELD_EX32(id->id_isar6, ID_ISAR6, DP) != 0;
+ return FIELD_EX32_IDREG(id, ID_ISAR6, DP) != 0;
}
static inline bool isar_feature_aa32_fhm(const ARMISARegisters *id)
{
- return FIELD_EX32(id->id_isar6, ID_ISAR6, FHM) != 0;
+ return FIELD_EX32_IDREG(id, ID_ISAR6, FHM) != 0;
}
static inline bool isar_feature_aa32_sb(const ARMISARegisters *id)
{
- return FIELD_EX32(id->id_isar6, ID_ISAR6, SB) != 0;
+ return FIELD_EX32_IDREG(id, ID_ISAR6, SB) != 0;
}
static inline bool isar_feature_aa32_predinv(const ARMISARegisters *id)
{
- return FIELD_EX32(id->id_isar6, ID_ISAR6, SPECRES) != 0;
+ return FIELD_EX32_IDREG(id, ID_ISAR6, SPECRES) != 0;
}
static inline bool isar_feature_aa32_bf16(const ARMISARegisters *id)
{
- return FIELD_EX32(id->id_isar6, ID_ISAR6, BF16) != 0;
+ return FIELD_EX32_IDREG(id, ID_ISAR6, BF16) != 0;
}
static inline bool isar_feature_aa32_i8mm(const ARMISARegisters *id)
{
- return FIELD_EX32(id->id_isar6, ID_ISAR6, I8MM) != 0;
+ return FIELD_EX32_IDREG(id, ID_ISAR6, I8MM) != 0;
}
static inline bool isar_feature_aa32_ras(const ARMISARegisters *id)
diff --git a/target/arm/cpu.c b/target/arm/cpu.c
index 400bee849439..cf811e47d996 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -2126,10 +2126,10 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
FIELD_DP64_IDREG(isar, ID_AA64PFR0, FP, 0xf);
- u = cpu->isar.id_isar6;
+ u = GET_IDREG(isar, ID_ISAR6);
u = FIELD_DP32(u, ID_ISAR6, JSCVT, 0);
u = FIELD_DP32(u, ID_ISAR6, BF16, 0);
- cpu->isar.id_isar6 = u;
+ SET_IDREG(isar, ID_ISAR6, u);
u = cpu->isar.mvfr0;
u = FIELD_DP32(u, MVFR0, FPSP, 0);
@@ -2181,20 +2181,20 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
FIELD_DP64_IDREG(isar, ID_AA64PFR0, ADVSIMD, 0xf);
- u = cpu->isar.id_isar5;
+ u = GET_IDREG(isar, ID_ISAR5);
u = FIELD_DP32(u, ID_ISAR5, AES, 0);
u = FIELD_DP32(u, ID_ISAR5, SHA1, 0);
u = FIELD_DP32(u, ID_ISAR5, SHA2, 0);
u = FIELD_DP32(u, ID_ISAR5, RDM, 0);
u = FIELD_DP32(u, ID_ISAR5, VCMA, 0);
- cpu->isar.id_isar5 = u;
+ SET_IDREG(isar, ID_ISAR5, u);
- u = cpu->isar.id_isar6;
+ u = GET_IDREG(isar, ID_ISAR6);
u = FIELD_DP32(u, ID_ISAR6, DP, 0);
u = FIELD_DP32(u, ID_ISAR6, FHM, 0);
u = FIELD_DP32(u, ID_ISAR6, BF16, 0);
u = FIELD_DP32(u, ID_ISAR6, I8MM, 0);
- cpu->isar.id_isar6 = u;
+ SET_IDREG(isar, ID_ISAR6, u);
if (!arm_feature(env, ARM_FEATURE_M)) {
u = cpu->isar.mvfr1;
@@ -2232,19 +2232,17 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
unset_feature(env, ARM_FEATURE_THUMB_DSP);
- u = cpu->isar.id_isar1;
- u = FIELD_DP32(u, ID_ISAR1, EXTEND, 1);
- cpu->isar.id_isar1 = u;
+ FIELD_DP32_IDREG(isar, ID_ISAR1, EXTEND, 1);
- u = cpu->isar.id_isar2;
+ u = GET_IDREG(isar, ID_ISAR2);
u = FIELD_DP32(u, ID_ISAR2, MULTU, 1);
u = FIELD_DP32(u, ID_ISAR2, MULTS, 1);
- cpu->isar.id_isar2 = u;
+ SET_IDREG(isar, ID_ISAR2, u);
- u = cpu->isar.id_isar3;
+ u = GET_IDREG(isar, ID_ISAR3);
u = FIELD_DP32(u, ID_ISAR3, SIMD, 1);
u = FIELD_DP32(u, ID_ISAR3, SATURATE, 0);
- cpu->isar.id_isar3 = u;
+ SET_IDREG(isar, ID_ISAR3, u);
}
diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index 1083ae7623b1..353c18e67993 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -1050,13 +1050,6 @@ struct ArchCPU {
* field by reading the value from the KVM vCPU.
*/
struct ARMISARegisters {
- uint32_t id_isar0;
- uint32_t id_isar1;
- uint32_t id_isar2;
- uint32_t id_isar3;
- uint32_t id_isar4;
- uint32_t id_isar5;
- uint32_t id_isar6;
uint32_t id_mmfr0;
uint32_t id_mmfr1;
uint32_t id_mmfr2;
diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c
index 0f938155d28e..6be62c0711b2 100644
--- a/target/arm/cpu64.c
+++ b/target/arm/cpu64.c
@@ -660,13 +660,13 @@ static void aarch64_a57_initfn(Object *obj)
cpu->isar.id_mmfr1 = 0x40000000;
cpu->isar.id_mmfr2 = 0x01260000;
cpu->isar.id_mmfr3 = 0x02102211;
- cpu->isar.id_isar0 = 0x02101110;
- cpu->isar.id_isar1 = 0x13112111;
- cpu->isar.id_isar2 = 0x21232042;
- cpu->isar.id_isar3 = 0x01112131;
- cpu->isar.id_isar4 = 0x00011142;
- cpu->isar.id_isar5 = 0x00011121;
- cpu->isar.id_isar6 = 0;
+ SET_IDREG(isar, ID_ISAR0, 0x02101110);
+ SET_IDREG(isar, ID_ISAR1, 0x13112111);
+ SET_IDREG(isar, ID_ISAR2, 0x21232042);
+ SET_IDREG(isar, ID_ISAR3, 0x01112131);
+ SET_IDREG(isar, ID_ISAR4, 0x00011142);
+ SET_IDREG(isar, ID_ISAR5, 0x00011121);
+ SET_IDREG(isar, ID_ISAR6, 0);
SET_IDREG(isar, ID_AA64PFR0, 0x00002222);
SET_IDREG(isar, ID_AA64DFR0, 0x10305106);
SET_IDREG(isar, ID_AA64ISAR0, 0x00011120);
@@ -722,13 +722,13 @@ static void aarch64_a53_initfn(Object *obj)
cpu->isar.id_mmfr1 = 0x40000000;
cpu->isar.id_mmfr2 = 0x01260000;
cpu->isar.id_mmfr3 = 0x02102211;
- cpu->isar.id_isar0 = 0x02101110;
- cpu->isar.id_isar1 = 0x13112111;
- cpu->isar.id_isar2 = 0x21232042;
- cpu->isar.id_isar3 = 0x01112131;
- cpu->isar.id_isar4 = 0x00011142;
- cpu->isar.id_isar5 = 0x00011121;
- cpu->isar.id_isar6 = 0;
+ SET_IDREG(isar, ID_ISAR0, 0x02101110);
+ SET_IDREG(isar, ID_ISAR1, 0x13112111);
+ SET_IDREG(isar, ID_ISAR2, 0x21232042);
+ SET_IDREG(isar, ID_ISAR3, 0x01112131);
+ SET_IDREG(isar, ID_ISAR4, 0x00011142);
+ SET_IDREG(isar, ID_ISAR5, 0x00011121);
+ SET_IDREG(isar, ID_ISAR6, 0);
SET_IDREG(isar, ID_AA64PFR0, 0x00002222);
SET_IDREG(isar, ID_AA64DFR0, 0x10305106);
SET_IDREG(isar, ID_AA64ISAR0, 0x00011120);
diff --git a/target/arm/helper.c b/target/arm/helper.c
index 6ca85ea0cb5a..669b7a84284a 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -7830,32 +7830,32 @@ void register_cp_regs_for_features(ARMCPU *cpu)
.opc0 = 3, .opc1 = 0, .crn = 0, .crm = 2, .opc2 = 0,
.access = PL1_R, .type = ARM_CP_CONST,
.accessfn = access_aa32_tid3,
- .resetvalue = cpu->isar.id_isar0 },
+ .resetvalue = GET_IDREG(isar, ID_ISAR0)},
{ .name = "ID_ISAR1", .state = ARM_CP_STATE_BOTH,
.opc0 = 3, .opc1 = 0, .crn = 0, .crm = 2, .opc2 = 1,
.access = PL1_R, .type = ARM_CP_CONST,
.accessfn = access_aa32_tid3,
- .resetvalue = cpu->isar.id_isar1 },
+ .resetvalue = GET_IDREG(isar, ID_ISAR1)},
{ .name = "ID_ISAR2", .state = ARM_CP_STATE_BOTH,
.opc0 = 3, .opc1 = 0, .crn = 0, .crm = 2, .opc2 = 2,
.access = PL1_R, .type = ARM_CP_CONST,
.accessfn = access_aa32_tid3,
- .resetvalue = cpu->isar.id_isar2 },
+ .resetvalue = GET_IDREG(isar, ID_ISAR2)},
{ .name = "ID_ISAR3", .state = ARM_CP_STATE_BOTH,
.opc0 = 3, .opc1 = 0, .crn = 0, .crm = 2, .opc2 = 3,
.access = PL1_R, .type = ARM_CP_CONST,
.accessfn = access_aa32_tid3,
- .resetvalue = cpu->isar.id_isar3 },
+ .resetvalue = GET_IDREG(isar, ID_ISAR3) },
{ .name = "ID_ISAR4", .state = ARM_CP_STATE_BOTH,
.opc0 = 3, .opc1 = 0, .crn = 0, .crm = 2, .opc2 = 4,
.access = PL1_R, .type = ARM_CP_CONST,
.accessfn = access_aa32_tid3,
- .resetvalue = cpu->isar.id_isar4 },
+ .resetvalue = GET_IDREG(isar, ID_ISAR4) },
{ .name = "ID_ISAR5", .state = ARM_CP_STATE_BOTH,
.opc0 = 3, .opc1 = 0, .crn = 0, .crm = 2, .opc2 = 5,
.access = PL1_R, .type = ARM_CP_CONST,
.accessfn = access_aa32_tid3,
- .resetvalue = cpu->isar.id_isar5 },
+ .resetvalue = GET_IDREG(isar, ID_ISAR5) },
{ .name = "ID_MMFR4", .state = ARM_CP_STATE_BOTH,
.opc0 = 3, .opc1 = 0, .crn = 0, .crm = 2, .opc2 = 6,
.access = PL1_R, .type = ARM_CP_CONST,
@@ -7865,7 +7865,7 @@ void register_cp_regs_for_features(ARMCPU *cpu)
.opc0 = 3, .opc1 = 0, .crn = 0, .crm = 2, .opc2 = 7,
.access = PL1_R, .type = ARM_CP_CONST,
.accessfn = access_aa32_tid3,
- .resetvalue = cpu->isar.id_isar6 },
+ .resetvalue = GET_IDREG(isar, ID_ISAR6) },
};
define_arm_cp_regs(cpu, v6_idregs);
define_arm_cp_regs(cpu, v6_cp_reginfo);
diff --git a/target/arm/kvm.c b/target/arm/kvm.c
index 873685586147..eef9481737b5 100644
--- a/target/arm/kvm.c
+++ b/target/arm/kvm.c
@@ -346,22 +346,15 @@ static bool kvm_arm_get_host_cpu_features(ARMHostCPUFeatures *ahcf)
ARM64_SYS_REG(3, 0, 0, 1, 6));
err |= read_sys_reg32(fdarray[2], &ahcf->isar.id_mmfr3,
ARM64_SYS_REG(3, 0, 0, 1, 7));
- err |= read_sys_reg32(fdarray[2], &ahcf->isar.id_isar0,
- ARM64_SYS_REG(3, 0, 0, 2, 0));
- err |= read_sys_reg32(fdarray[2], &ahcf->isar.id_isar1,
- ARM64_SYS_REG(3, 0, 0, 2, 1));
- err |= read_sys_reg32(fdarray[2], &ahcf->isar.id_isar2,
- ARM64_SYS_REG(3, 0, 0, 2, 2));
- err |= read_sys_reg32(fdarray[2], &ahcf->isar.id_isar3,
- ARM64_SYS_REG(3, 0, 0, 2, 3));
- err |= read_sys_reg32(fdarray[2], &ahcf->isar.id_isar4,
- ARM64_SYS_REG(3, 0, 0, 2, 4));
- err |= read_sys_reg32(fdarray[2], &ahcf->isar.id_isar5,
- ARM64_SYS_REG(3, 0, 0, 2, 5));
+ err |= get_host_cpu_reg(fd, ahcf, ID_ISAR0_EL1_IDX);
+ err |= get_host_cpu_reg(fd, ahcf, ID_ISAR1_EL1_IDX);
+ err |= get_host_cpu_reg(fd, ahcf, ID_ISAR2_EL1_IDX);
+ err |= get_host_cpu_reg(fd, ahcf, ID_ISAR3_EL1_IDX);
+ err |= get_host_cpu_reg(fd, ahcf, ID_ISAR4_EL1_IDX);
+ err |= get_host_cpu_reg(fd, ahcf, ID_ISAR5_EL1_IDX);
+ err |= get_host_cpu_reg(fd, ahcf, ID_ISAR6_EL1_IDX);
err |= read_sys_reg32(fdarray[2], &ahcf->isar.id_mmfr4,
ARM64_SYS_REG(3, 0, 0, 2, 6));
- err |= read_sys_reg32(fdarray[2], &ahcf->isar.id_isar6,
- ARM64_SYS_REG(3, 0, 0, 2, 7));
err |= read_sys_reg32(fdarray[2], &ahcf->isar.mvfr0,
ARM64_SYS_REG(3, 0, 0, 3, 0));
diff --git a/target/arm/tcg/cpu-v7m.c b/target/arm/tcg/cpu-v7m.c
index 8e1a083b9118..198c9f3e98c3 100644
--- a/target/arm/tcg/cpu-v7m.c
+++ b/target/arm/tcg/cpu-v7m.c
@@ -45,6 +45,7 @@ static bool arm_v7m_cpu_exec_interrupt(CPUState *cs, int interrupt_request)
static void cortex_m0_initfn(Object *obj)
{
ARMCPU *cpu = ARM_CPU(obj);
+ ARMISARegisters *isar = &cpu->isar;
set_feature(&cpu->env, ARM_FEATURE_V6);
set_feature(&cpu->env, ARM_FEATURE_M);
@@ -66,18 +67,19 @@ static void cortex_m0_initfn(Object *obj)
cpu->isar.id_mmfr1 = 0x00000000;
cpu->isar.id_mmfr2 = 0x00000000;
cpu->isar.id_mmfr3 = 0x00000000;
- cpu->isar.id_isar0 = 0x01141110;
- cpu->isar.id_isar1 = 0x02111000;
- cpu->isar.id_isar2 = 0x21112231;
- cpu->isar.id_isar3 = 0x01111110;
- cpu->isar.id_isar4 = 0x01310102;
- cpu->isar.id_isar5 = 0x00000000;
- cpu->isar.id_isar6 = 0x00000000;
+ SET_IDREG(isar, ID_ISAR0, 0x01141110);
+ SET_IDREG(isar, ID_ISAR1, 0x02111000);
+ SET_IDREG(isar, ID_ISAR2, 0x21112231);
+ SET_IDREG(isar, ID_ISAR3, 0x01111110);
+ SET_IDREG(isar, ID_ISAR4, 0x01310102);
+ SET_IDREG(isar, ID_ISAR5, 0x00000000);
+ SET_IDREG(isar, ID_ISAR6, 0x00000000);
}
static void cortex_m3_initfn(Object *obj)
{
ARMCPU *cpu = ARM_CPU(obj);
+ ARMISARegisters *isar = &cpu->isar;
set_feature(&cpu->env, ARM_FEATURE_V7);
set_feature(&cpu->env, ARM_FEATURE_M);
set_feature(&cpu->env, ARM_FEATURE_M_MAIN);
@@ -91,18 +93,19 @@ static void cortex_m3_initfn(Object *obj)
cpu->isar.id_mmfr1 = 0x00000000;
cpu->isar.id_mmfr2 = 0x00000000;
cpu->isar.id_mmfr3 = 0x00000000;
- cpu->isar.id_isar0 = 0x01141110;
- cpu->isar.id_isar1 = 0x02111000;
- cpu->isar.id_isar2 = 0x21112231;
- cpu->isar.id_isar3 = 0x01111110;
- cpu->isar.id_isar4 = 0x01310102;
- cpu->isar.id_isar5 = 0x00000000;
- cpu->isar.id_isar6 = 0x00000000;
+ SET_IDREG(isar, ID_ISAR0, 0x01141110);
+ SET_IDREG(isar, ID_ISAR1, 0x02111000);
+ SET_IDREG(isar, ID_ISAR2, 0x21112231);
+ SET_IDREG(isar, ID_ISAR3, 0x01111110);
+ SET_IDREG(isar, ID_ISAR4, 0x01310102);
+ SET_IDREG(isar, ID_ISAR5, 0x00000000);
+ SET_IDREG(isar, ID_ISAR6, 0x00000000);
}
static void cortex_m4_initfn(Object *obj)
{
ARMCPU *cpu = ARM_CPU(obj);
+ ARMISARegisters *isar = &cpu->isar;
set_feature(&cpu->env, ARM_FEATURE_V7);
set_feature(&cpu->env, ARM_FEATURE_M);
@@ -121,18 +124,19 @@ static void cortex_m4_initfn(Object *obj)
cpu->isar.id_mmfr1 = 0x00000000;
cpu->isar.id_mmfr2 = 0x00000000;
cpu->isar.id_mmfr3 = 0x00000000;
- cpu->isar.id_isar0 = 0x01141110;
- cpu->isar.id_isar1 = 0x02111000;
- cpu->isar.id_isar2 = 0x21112231;
- cpu->isar.id_isar3 = 0x01111110;
- cpu->isar.id_isar4 = 0x01310102;
- cpu->isar.id_isar5 = 0x00000000;
- cpu->isar.id_isar6 = 0x00000000;
+ SET_IDREG(isar, ID_ISAR0, 0x01141110);
+ SET_IDREG(isar, ID_ISAR1, 0x02111000);
+ SET_IDREG(isar, ID_ISAR2, 0x21112231);
+ SET_IDREG(isar, ID_ISAR3, 0x01111110);
+ SET_IDREG(isar, ID_ISAR4, 0x01310102);
+ SET_IDREG(isar, ID_ISAR5, 0x00000000);
+ SET_IDREG(isar, ID_ISAR6, 0x00000000);
}
static void cortex_m7_initfn(Object *obj)
{
ARMCPU *cpu = ARM_CPU(obj);
+ ARMISARegisters *isar = &cpu->isar;
set_feature(&cpu->env, ARM_FEATURE_V7);
set_feature(&cpu->env, ARM_FEATURE_M);
@@ -151,18 +155,19 @@ static void cortex_m7_initfn(Object *obj)
cpu->isar.id_mmfr1 = 0x00000000;
cpu->isar.id_mmfr2 = 0x01000000;
cpu->isar.id_mmfr3 = 0x00000000;
- cpu->isar.id_isar0 = 0x01101110;
- cpu->isar.id_isar1 = 0x02112000;
- cpu->isar.id_isar2 = 0x20232231;
- cpu->isar.id_isar3 = 0x01111131;
- cpu->isar.id_isar4 = 0x01310132;
- cpu->isar.id_isar5 = 0x00000000;
- cpu->isar.id_isar6 = 0x00000000;
+ SET_IDREG(isar, ID_ISAR0, 0x01101110);
+ SET_IDREG(isar, ID_ISAR1, 0x02112000);
+ SET_IDREG(isar, ID_ISAR2, 0x20232231);
+ SET_IDREG(isar, ID_ISAR3, 0x01111131);
+ SET_IDREG(isar, ID_ISAR4, 0x01310132);
+ SET_IDREG(isar, ID_ISAR5, 0x00000000);
+ SET_IDREG(isar, ID_ISAR6, 0x00000000);
}
static void cortex_m33_initfn(Object *obj)
{
ARMCPU *cpu = ARM_CPU(obj);
+ ARMISARegisters *isar = &cpu->isar;
set_feature(&cpu->env, ARM_FEATURE_V8);
set_feature(&cpu->env, ARM_FEATURE_M);
@@ -183,13 +188,13 @@ static void cortex_m33_initfn(Object *obj)
cpu->isar.id_mmfr1 = 0x00000000;
cpu->isar.id_mmfr2 = 0x01000000;
cpu->isar.id_mmfr3 = 0x00000000;
- cpu->isar.id_isar0 = 0x01101110;
- cpu->isar.id_isar1 = 0x02212000;
- cpu->isar.id_isar2 = 0x20232232;
- cpu->isar.id_isar3 = 0x01111131;
- cpu->isar.id_isar4 = 0x01310132;
- cpu->isar.id_isar5 = 0x00000000;
- cpu->isar.id_isar6 = 0x00000000;
+ SET_IDREG(isar, ID_ISAR0, 0x01101110);
+ SET_IDREG(isar, ID_ISAR1, 0x02212000);
+ SET_IDREG(isar, ID_ISAR2, 0x20232232);
+ SET_IDREG(isar, ID_ISAR3, 0x01111131);
+ SET_IDREG(isar, ID_ISAR4, 0x01310132);
+ SET_IDREG(isar, ID_ISAR5, 0x00000000);
+ SET_IDREG(isar, ID_ISAR6, 0x00000000);
cpu->clidr = 0x00000000;
cpu->ctr = 0x8000c000;
}
@@ -197,6 +202,7 @@ static void cortex_m33_initfn(Object *obj)
static void cortex_m55_initfn(Object *obj)
{
ARMCPU *cpu = ARM_CPU(obj);
+ ARMISARegisters *isar = &cpu->isar;
set_feature(&cpu->env, ARM_FEATURE_V8);
set_feature(&cpu->env, ARM_FEATURE_V8_1M);
@@ -220,13 +226,13 @@ static void cortex_m55_initfn(Object *obj)
cpu->isar.id_mmfr1 = 0x00000000;
cpu->isar.id_mmfr2 = 0x01000000;
cpu->isar.id_mmfr3 = 0x00000011;
- cpu->isar.id_isar0 = 0x01103110;
- cpu->isar.id_isar1 = 0x02212000;
- cpu->isar.id_isar2 = 0x20232232;
- cpu->isar.id_isar3 = 0x01111131;
- cpu->isar.id_isar4 = 0x01310132;
- cpu->isar.id_isar5 = 0x00000000;
- cpu->isar.id_isar6 = 0x00000000;
+ SET_IDREG(isar, ID_ISAR0, 0x01103110);
+ SET_IDREG(isar, ID_ISAR1, 0x02212000);
+ SET_IDREG(isar, ID_ISAR2, 0x20232232);
+ SET_IDREG(isar, ID_ISAR3, 0x01111131);
+ SET_IDREG(isar, ID_ISAR4, 0x01310132);
+ SET_IDREG(isar, ID_ISAR5, 0x00000000);
+ SET_IDREG(isar, ID_ISAR6, 0x00000000);
cpu->clidr = 0x00000000; /* caches not implemented */
cpu->ctr = 0x8303c003;
}
diff --git a/target/arm/tcg/cpu32.c b/target/arm/tcg/cpu32.c
index 2c45b7eddda7..937a72b12c9b 100644
--- a/target/arm/tcg/cpu32.c
+++ b/target/arm/tcg/cpu32.c
@@ -23,18 +23,19 @@
void aa32_max_features(ARMCPU *cpu)
{
uint32_t t;
+ ARMISARegisters *isar = &cpu->isar;
/* Add additional features supported by QEMU */
- t = cpu->isar.id_isar5;
+ t = GET_IDREG(isar, ID_ISAR5);
t = FIELD_DP32(t, ID_ISAR5, AES, 2); /* FEAT_PMULL */
t = FIELD_DP32(t, ID_ISAR5, SHA1, 1); /* FEAT_SHA1 */
t = FIELD_DP32(t, ID_ISAR5, SHA2, 1); /* FEAT_SHA256 */
t = FIELD_DP32(t, ID_ISAR5, CRC32, 1);
t = FIELD_DP32(t, ID_ISAR5, RDM, 1); /* FEAT_RDM */
t = FIELD_DP32(t, ID_ISAR5, VCMA, 1); /* FEAT_FCMA */
- cpu->isar.id_isar5 = t;
+ SET_IDREG(isar, ID_ISAR5, t);
- t = cpu->isar.id_isar6;
+ t = GET_IDREG(isar, ID_ISAR6);
t = FIELD_DP32(t, ID_ISAR6, JSCVT, 1); /* FEAT_JSCVT */
t = FIELD_DP32(t, ID_ISAR6, DP, 1); /* Feat_DotProd */
t = FIELD_DP32(t, ID_ISAR6, FHM, 1); /* FEAT_FHM */
@@ -42,7 +43,7 @@ void aa32_max_features(ARMCPU *cpu)
t = FIELD_DP32(t, ID_ISAR6, SPECRES, 1); /* FEAT_SPECRES */
t = FIELD_DP32(t, ID_ISAR6, BF16, 1); /* FEAT_AA32BF16 */
t = FIELD_DP32(t, ID_ISAR6, I8MM, 1); /* FEAT_AA32I8MM */
- cpu->isar.id_isar6 = t;
+ SET_IDREG(isar, ID_ISAR6, t);
t = cpu->isar.mvfr1;
t = FIELD_DP32(t, MVFR1, FPHP, 3); /* FEAT_FP16 */
@@ -140,7 +141,7 @@ static void arm926_initfn(Object *obj)
* ARMv5 does not have the ID_ISAR registers, but we can still
* set the field to indicate Jazelle support within QEMU.
*/
- cpu->isar.id_isar1 = FIELD_DP32(cpu->isar.id_isar1, ID_ISAR1, JAZELLE, 1);
+ FIELD_DP32_IDREG(&cpu->isar, ID_ISAR1, JAZELLE, 1);
/*
* Similarly, we need to set MVFR0 fields to enable vfp and short vector
* support even though ARMv5 doesn't have this register.
@@ -182,7 +183,7 @@ static void arm1026_initfn(Object *obj)
* ARMv5 does not have the ID_ISAR registers, but we can still
* set the field to indicate Jazelle support within QEMU.
*/
- cpu->isar.id_isar1 = FIELD_DP32(cpu->isar.id_isar1, ID_ISAR1, JAZELLE, 1);
+ FIELD_DP32_IDREG(&cpu->isar, ID_ISAR1, JAZELLE, 1);
/*
* Similarly, we need to set MVFR0 fields to enable vfp and short vector
* support even though ARMv5 doesn't have this register.
@@ -206,6 +207,7 @@ static void arm1026_initfn(Object *obj)
static void arm1136_r2_initfn(Object *obj)
{
ARMCPU *cpu = ARM_CPU(obj);
+ ARMISARegisters *isar = &cpu->isar;
/*
* What qemu calls "arm1136_r2" is actually the 1136 r0p2, ie an
* older core than plain "arm1136". In particular this does not
@@ -233,17 +235,18 @@ static void arm1136_r2_initfn(Object *obj)
cpu->isar.id_mmfr0 = 0x01130003;
cpu->isar.id_mmfr1 = 0x10030302;
cpu->isar.id_mmfr2 = 0x01222110;
- cpu->isar.id_isar0 = 0x00140011;
- cpu->isar.id_isar1 = 0x12002111;
- cpu->isar.id_isar2 = 0x11231111;
- cpu->isar.id_isar3 = 0x01102131;
- cpu->isar.id_isar4 = 0x141;
+ SET_IDREG(isar, ID_ISAR0, 0x00140011);
+ SET_IDREG(isar, ID_ISAR1, 0x12002111);
+ SET_IDREG(isar, ID_ISAR2, 0x11231111);
+ SET_IDREG(isar, ID_ISAR3, 0x01102131);
+ SET_IDREG(isar, ID_ISAR4, 0x141);
cpu->reset_auxcr = 7;
}
static void arm1136_initfn(Object *obj)
{
ARMCPU *cpu = ARM_CPU(obj);
+ ARMISARegisters *isar = &cpu->isar;
cpu->dtb_compatible = "arm,arm1136";
set_feature(&cpu->env, ARM_FEATURE_V6K);
@@ -264,17 +267,18 @@ static void arm1136_initfn(Object *obj)
cpu->isar.id_mmfr0 = 0x01130003;
cpu->isar.id_mmfr1 = 0x10030302;
cpu->isar.id_mmfr2 = 0x01222110;
- cpu->isar.id_isar0 = 0x00140011;
- cpu->isar.id_isar1 = 0x12002111;
- cpu->isar.id_isar2 = 0x11231111;
- cpu->isar.id_isar3 = 0x01102131;
- cpu->isar.id_isar4 = 0x141;
+ SET_IDREG(isar, ID_ISAR0, 0x00140011);
+ SET_IDREG(isar, ID_ISAR1, 0x12002111);
+ SET_IDREG(isar, ID_ISAR2, 0x11231111);
+ SET_IDREG(isar, ID_ISAR3, 0x01102131);
+ SET_IDREG(isar, ID_ISAR4, 0x141);
cpu->reset_auxcr = 7;
}
static void arm1176_initfn(Object *obj)
{
ARMCPU *cpu = ARM_CPU(obj);
+ ARMISARegisters *isar = &cpu->isar;
cpu->dtb_compatible = "arm,arm1176";
set_feature(&cpu->env, ARM_FEATURE_V6K);
@@ -296,17 +300,18 @@ static void arm1176_initfn(Object *obj)
cpu->isar.id_mmfr0 = 0x01130003;
cpu->isar.id_mmfr1 = 0x10030302;
cpu->isar.id_mmfr2 = 0x01222100;
- cpu->isar.id_isar0 = 0x0140011;
- cpu->isar.id_isar1 = 0x12002111;
- cpu->isar.id_isar2 = 0x11231121;
- cpu->isar.id_isar3 = 0x01102131;
- cpu->isar.id_isar4 = 0x01141;
+ SET_IDREG(isar, ID_ISAR0, 0x0140011);
+ SET_IDREG(isar, ID_ISAR1, 0x12002111);
+ SET_IDREG(isar, ID_ISAR2, 0x11231121);
+ SET_IDREG(isar, ID_ISAR3, 0x01102131);
+ SET_IDREG(isar, ID_ISAR4, 0x01141);
cpu->reset_auxcr = 7;
}
static void arm11mpcore_initfn(Object *obj)
{
ARMCPU *cpu = ARM_CPU(obj);
+ ARMISARegisters *isar = &cpu->isar;
cpu->dtb_compatible = "arm,arm11mpcore";
set_feature(&cpu->env, ARM_FEATURE_V6K);
@@ -325,11 +330,11 @@ static void arm11mpcore_initfn(Object *obj)
cpu->isar.id_mmfr0 = 0x01100103;
cpu->isar.id_mmfr1 = 0x10020302;
cpu->isar.id_mmfr2 = 0x01222000;
- cpu->isar.id_isar0 = 0x00100011;
- cpu->isar.id_isar1 = 0x12002111;
- cpu->isar.id_isar2 = 0x11221011;
- cpu->isar.id_isar3 = 0x01102131;
- cpu->isar.id_isar4 = 0x141;
+ SET_IDREG(isar, ID_ISAR0, 0x00100011);
+ SET_IDREG(isar, ID_ISAR1, 0x12002111);
+ SET_IDREG(isar, ID_ISAR2, 0x11221011);
+ SET_IDREG(isar, ID_ISAR3, 0x01102131);
+ SET_IDREG(isar, ID_ISAR4, 0x141);
cpu->reset_auxcr = 1;
}
@@ -343,6 +348,7 @@ static const ARMCPRegInfo cortexa8_cp_reginfo[] = {
static void cortex_a8_initfn(Object *obj)
{
ARMCPU *cpu = ARM_CPU(obj);
+ ARMISARegisters *isar = &cpu->isar;
cpu->dtb_compatible = "arm,cortex-a8";
set_feature(&cpu->env, ARM_FEATURE_V7);
@@ -365,11 +371,11 @@ static void cortex_a8_initfn(Object *obj)
cpu->isar.id_mmfr1 = 0x20000000;
cpu->isar.id_mmfr2 = 0x01202000;
cpu->isar.id_mmfr3 = 0x11;
- cpu->isar.id_isar0 = 0x00101111;
- cpu->isar.id_isar1 = 0x12112111;
- cpu->isar.id_isar2 = 0x21232031;
- cpu->isar.id_isar3 = 0x11112131;
- cpu->isar.id_isar4 = 0x00111142;
+ SET_IDREG(isar, ID_ISAR0, 0x00101111);
+ SET_IDREG(isar, ID_ISAR1, 0x12112111);
+ SET_IDREG(isar, ID_ISAR2, 0x21232031);
+ SET_IDREG(isar, ID_ISAR3, 0x11112131);
+ SET_IDREG(isar, ID_ISAR4, 0x00111142);
cpu->isar.dbgdidr = 0x15141000;
cpu->clidr = (1 << 27) | (2 << 24) | 3;
cpu->ccsidr[0] = 0xe007e01a; /* 16k L1 dcache. */
@@ -412,6 +418,7 @@ static const ARMCPRegInfo cortexa9_cp_reginfo[] = {
static void cortex_a9_initfn(Object *obj)
{
ARMCPU *cpu = ARM_CPU(obj);
+ ARMISARegisters *isar = &cpu->isar;
cpu->dtb_compatible = "arm,cortex-a9";
set_feature(&cpu->env, ARM_FEATURE_V7);
@@ -440,11 +447,11 @@ static void cortex_a9_initfn(Object *obj)
cpu->isar.id_mmfr1 = 0x20000000;
cpu->isar.id_mmfr2 = 0x01230000;
cpu->isar.id_mmfr3 = 0x00002111;
- cpu->isar.id_isar0 = 0x00101111;
- cpu->isar.id_isar1 = 0x13112111;
- cpu->isar.id_isar2 = 0x21232041;
- cpu->isar.id_isar3 = 0x11112131;
- cpu->isar.id_isar4 = 0x00111142;
+ SET_IDREG(isar, ID_ISAR0, 0x00101111);
+ SET_IDREG(isar, ID_ISAR1, 0x13112111);
+ SET_IDREG(isar, ID_ISAR2, 0x21232041);
+ SET_IDREG(isar, ID_ISAR3, 0x11112131);
+ SET_IDREG(isar, ID_ISAR4, 0x00111142);
cpu->isar.dbgdidr = 0x35141000;
cpu->clidr = (1 << 27) | (1 << 24) | 3;
cpu->ccsidr[0] = 0xe00fe019; /* 16k L1 dcache. */
@@ -479,6 +486,7 @@ static const ARMCPRegInfo cortexa15_cp_reginfo[] = {
static void cortex_a7_initfn(Object *obj)
{
ARMCPU *cpu = ARM_CPU(obj);
+ ARMISARegisters *isar = &cpu->isar;
cpu->dtb_compatible = "arm,cortex-a7";
set_feature(&cpu->env, ARM_FEATURE_V7VE);
@@ -509,11 +517,11 @@ static void cortex_a7_initfn(Object *obj)
* a7_mpcore_r0p5_trm, page 4-4 gives 0x01101110; but
* table 4-41 gives 0x02101110, which includes the arm div insns.
*/
- cpu->isar.id_isar0 = 0x02101110;
- cpu->isar.id_isar1 = 0x13112111;
- cpu->isar.id_isar2 = 0x21232041;
- cpu->isar.id_isar3 = 0x11112131;
- cpu->isar.id_isar4 = 0x10011142;
+ SET_IDREG(isar, ID_ISAR0, 0x02101110);
+ SET_IDREG(isar, ID_ISAR1, 0x13112111);
+ SET_IDREG(isar, ID_ISAR2, 0x21232041);
+ SET_IDREG(isar, ID_ISAR3, 0x11112131);
+ SET_IDREG(isar, ID_ISAR4, 0x10011142);
cpu->isar.dbgdidr = 0x3515f005;
cpu->isar.dbgdevid = 0x01110f13;
cpu->isar.dbgdevid1 = 0x1;
@@ -528,6 +536,7 @@ static void cortex_a7_initfn(Object *obj)
static void cortex_a15_initfn(Object *obj)
{
ARMCPU *cpu = ARM_CPU(obj);
+ ARMISARegisters *isar = &cpu->isar;
cpu->dtb_compatible = "arm,cortex-a15";
set_feature(&cpu->env, ARM_FEATURE_V7VE);
@@ -556,11 +565,11 @@ static void cortex_a15_initfn(Object *obj)
cpu->isar.id_mmfr1 = 0x20000000;
cpu->isar.id_mmfr2 = 0x01240000;
cpu->isar.id_mmfr3 = 0x02102211;
- cpu->isar.id_isar0 = 0x02101110;
- cpu->isar.id_isar1 = 0x13112111;
- cpu->isar.id_isar2 = 0x21232041;
- cpu->isar.id_isar3 = 0x11112131;
- cpu->isar.id_isar4 = 0x10011142;
+ SET_IDREG(isar, ID_ISAR0, 0x02101110);
+ SET_IDREG(isar, ID_ISAR1, 0x13112111);
+ SET_IDREG(isar, ID_ISAR2, 0x21232041);
+ SET_IDREG(isar, ID_ISAR3, 0x11112131);
+ SET_IDREG(isar, ID_ISAR4, 0x10011142);
cpu->isar.dbgdidr = 0x3515f021;
cpu->isar.dbgdevid = 0x01110f13;
cpu->isar.dbgdevid1 = 0x0;
@@ -585,6 +594,7 @@ static const ARMCPRegInfo cortexr5_cp_reginfo[] = {
static void cortex_r5_initfn(Object *obj)
{
ARMCPU *cpu = ARM_CPU(obj);
+ ARMISARegisters *isar = &cpu->isar;
set_feature(&cpu->env, ARM_FEATURE_V7);
set_feature(&cpu->env, ARM_FEATURE_V7MP);
@@ -599,13 +609,13 @@ static void cortex_r5_initfn(Object *obj)
cpu->isar.id_mmfr1 = 0x00000000;
cpu->isar.id_mmfr2 = 0x01200000;
cpu->isar.id_mmfr3 = 0x0211;
- cpu->isar.id_isar0 = 0x02101111;
- cpu->isar.id_isar1 = 0x13112111;
- cpu->isar.id_isar2 = 0x21232141;
- cpu->isar.id_isar3 = 0x01112131;
- cpu->isar.id_isar4 = 0x0010142;
- cpu->isar.id_isar5 = 0x0;
- cpu->isar.id_isar6 = 0x0;
+ SET_IDREG(isar, ID_ISAR0, 0x02101111);
+ SET_IDREG(isar, ID_ISAR1, 0x13112111);
+ SET_IDREG(isar, ID_ISAR2, 0x21232141);
+ SET_IDREG(isar, ID_ISAR3, 0x01112131);
+ SET_IDREG(isar, ID_ISAR4, 0x0010142);
+ SET_IDREG(isar, ID_ISAR5, 0x0);
+ SET_IDREG(isar, ID_ISAR6, 0x0);
cpu->mp_is_up = true;
cpu->pmsav7_dregion = 16;
cpu->isar.reset_pmcr_el0 = 0x41151800;
@@ -720,6 +730,7 @@ static const ARMCPRegInfo cortex_r52_cp_reginfo[] = {
static void cortex_r52_initfn(Object *obj)
{
ARMCPU *cpu = ARM_CPU(obj);
+ ARMISARegisters *isar = &cpu->isar;
set_feature(&cpu->env, ARM_FEATURE_V8);
set_feature(&cpu->env, ARM_FEATURE_EL2);
@@ -746,12 +757,12 @@ static void cortex_r52_initfn(Object *obj)
cpu->isar.id_mmfr2 = 0x01200000;
cpu->isar.id_mmfr3 = 0xf0102211;
cpu->isar.id_mmfr4 = 0x00000010;
- cpu->isar.id_isar0 = 0x02101110;
- cpu->isar.id_isar1 = 0x13112111;
- cpu->isar.id_isar2 = 0x21232142;
- cpu->isar.id_isar3 = 0x01112131;
- cpu->isar.id_isar4 = 0x00010142;
- cpu->isar.id_isar5 = 0x00010001;
+ SET_IDREG(isar, ID_ISAR0, 0x02101110);
+ SET_IDREG(isar, ID_ISAR1, 0x13112111);
+ SET_IDREG(isar, ID_ISAR2, 0x21232142);
+ SET_IDREG(isar, ID_ISAR3, 0x01112131);
+ SET_IDREG(isar, ID_ISAR4, 0x00010142);
+ SET_IDREG(isar, ID_ISAR5, 0x00010001);
cpu->isar.dbgdidr = 0x77168000;
cpu->clidr = (1 << 27) | (1 << 24) | 0x3;
cpu->ccsidr[0] = 0x700fe01a; /* 32KB L1 dcache */
@@ -949,6 +960,7 @@ static void pxa270c5_initfn(Object *obj)
static void arm_max_initfn(Object *obj)
{
ARMCPU *cpu = ARM_CPU(obj);
+ ARMISARegisters *isar = &cpu->isar;
/* aarch64_a57_initfn, advertising none of the aarch64 features */
cpu->dtb_compatible = "arm,cortex-a57";
@@ -976,13 +988,13 @@ static void arm_max_initfn(Object *obj)
cpu->isar.id_mmfr1 = 0x40000000;
cpu->isar.id_mmfr2 = 0x01260000;
cpu->isar.id_mmfr3 = 0x02102211;
- cpu->isar.id_isar0 = 0x02101110;
- cpu->isar.id_isar1 = 0x13112111;
- cpu->isar.id_isar2 = 0x21232042;
- cpu->isar.id_isar3 = 0x01112131;
- cpu->isar.id_isar4 = 0x00011142;
- cpu->isar.id_isar5 = 0x00011121;
- cpu->isar.id_isar6 = 0;
+ SET_IDREG(isar, ID_ISAR0, 0x02101110);
+ SET_IDREG(isar, ID_ISAR1, 0x13112111);
+ SET_IDREG(isar, ID_ISAR2, 0x21232042);
+ SET_IDREG(isar, ID_ISAR3, 0x01112131);
+ SET_IDREG(isar, ID_ISAR4, 0x00011142);
+ SET_IDREG(isar, ID_ISAR5, 0x00011121);
+ SET_IDREG(isar, ID_ISAR6, 0);
cpu->isar.reset_pmcr_el0 = 0x41013000;
cpu->clidr = 0x0a200023;
cpu->ccsidr[0] = 0x701fe00a; /* 32KB L1 dcache */
diff --git a/target/arm/tcg/cpu64.c b/target/arm/tcg/cpu64.c
index 80a99ab025da..dd4dc8ada564 100644
--- a/target/arm/tcg/cpu64.c
+++ b/target/arm/tcg/cpu64.c
@@ -57,12 +57,12 @@ static void aarch64_a35_initfn(Object *obj)
cpu->isar.id_mmfr1 = 0x40000000;
cpu->isar.id_mmfr2 = 0x01260000;
cpu->isar.id_mmfr3 = 0x02102211;
- cpu->isar.id_isar0 = 0x02101110;
- cpu->isar.id_isar1 = 0x13112111;
- cpu->isar.id_isar2 = 0x21232042;
- cpu->isar.id_isar3 = 0x01112131;
- cpu->isar.id_isar4 = 0x00011142;
- cpu->isar.id_isar5 = 0x00011121;
+ SET_IDREG(isar, ID_ISAR0, 0x02101110);
+ SET_IDREG(isar, ID_ISAR1, 0x13112111);
+ SET_IDREG(isar, ID_ISAR2, 0x21232042);
+ SET_IDREG(isar, ID_ISAR3, 0x01112131);
+ SET_IDREG(isar, ID_ISAR4, 0x00011142);
+ SET_IDREG(isar, ID_ISAR5, 0x00011121);
SET_IDREG(isar, ID_AA64PFR0, 0x00002222);
SET_IDREG(isar, ID_AA64PFR1, 0);
SET_IDREG(isar, ID_AA64DFR0, 0x10305106);
@@ -229,13 +229,13 @@ static void aarch64_a55_initfn(Object *obj)
SET_IDREG(isar, ID_AA64PFR1, 0x0000000000000010ull);
cpu->id_afr0 = 0x00000000;
cpu->isar.id_dfr0 = 0x04010088;
- cpu->isar.id_isar0 = 0x02101110;
- cpu->isar.id_isar1 = 0x13112111;
- cpu->isar.id_isar2 = 0x21232042;
- cpu->isar.id_isar3 = 0x01112131;
- cpu->isar.id_isar4 = 0x00011142;
- cpu->isar.id_isar5 = 0x01011121;
- cpu->isar.id_isar6 = 0x00000010;
+ SET_IDREG(isar, ID_ISAR0, 0x02101110);
+ SET_IDREG(isar, ID_ISAR1, 0x13112111);
+ SET_IDREG(isar, ID_ISAR2, 0x21232042);
+ SET_IDREG(isar, ID_ISAR3, 0x01112131);
+ SET_IDREG(isar, ID_ISAR4, 0x00011142);
+ SET_IDREG(isar, ID_ISAR5, 0x01011121);
+ SET_IDREG(isar, ID_ISAR6, 0x00000010);
cpu->isar.id_mmfr0 = 0x10201105;
cpu->isar.id_mmfr1 = 0x40000000;
cpu->isar.id_mmfr2 = 0x01260000;
@@ -303,12 +303,12 @@ static void aarch64_a72_initfn(Object *obj)
cpu->isar.id_mmfr1 = 0x40000000;
cpu->isar.id_mmfr2 = 0x01260000;
cpu->isar.id_mmfr3 = 0x02102211;
- cpu->isar.id_isar0 = 0x02101110;
- cpu->isar.id_isar1 = 0x13112111;
- cpu->isar.id_isar2 = 0x21232042;
- cpu->isar.id_isar3 = 0x01112131;
- cpu->isar.id_isar4 = 0x00011142;
- cpu->isar.id_isar5 = 0x00011121;
+ SET_IDREG(isar, ID_ISAR0, 0x02101110);
+ SET_IDREG(isar, ID_ISAR1, 0x13112111);
+ SET_IDREG(isar, ID_ISAR2, 0x21232042);
+ SET_IDREG(isar, ID_ISAR3, 0x01112131);
+ SET_IDREG(isar, ID_ISAR4, 0x00011142);
+ SET_IDREG(isar, ID_ISAR5, 0x00011121);
SET_IDREG(isar, ID_AA64PFR0, 0x00002222);
SET_IDREG(isar, ID_AA64DFR0, 0x10305106);
SET_IDREG(isar, ID_AA64ISAR0, 0x00011120);
@@ -362,13 +362,13 @@ static void aarch64_a76_initfn(Object *obj)
SET_IDREG(isar, ID_AA64PFR1, 0x0000000000000010ull);
cpu->id_afr0 = 0x00000000;
cpu->isar.id_dfr0 = 0x04010088;
- cpu->isar.id_isar0 = 0x02101110;
- cpu->isar.id_isar1 = 0x13112111;
- cpu->isar.id_isar2 = 0x21232042;
- cpu->isar.id_isar3 = 0x01112131;
- cpu->isar.id_isar4 = 0x00010142;
- cpu->isar.id_isar5 = 0x01011121;
- cpu->isar.id_isar6 = 0x00000010;
+ SET_IDREG(isar, ID_ISAR0, 0x02101110);
+ SET_IDREG(isar, ID_ISAR1, 0x13112111);
+ SET_IDREG(isar, ID_ISAR2, 0x21232042);
+ SET_IDREG(isar, ID_ISAR3, 0x01112131);
+ SET_IDREG(isar, ID_ISAR4, 0x00010142);
+ SET_IDREG(isar, ID_ISAR5, 0x01011121);
+ SET_IDREG(isar, ID_ISAR6, 0x00000010);
cpu->isar.id_mmfr0 = 0x10201105;
cpu->isar.id_mmfr1 = 0x40000000;
cpu->isar.id_mmfr2 = 0x01260000;
@@ -610,13 +610,13 @@ static void aarch64_neoverse_n1_initfn(Object *obj)
SET_IDREG(isar, ID_AA64PFR1, 0x0000000000000020ull);
cpu->id_afr0 = 0x00000000;
cpu->isar.id_dfr0 = 0x04010088;
- cpu->isar.id_isar0 = 0x02101110;
- cpu->isar.id_isar1 = 0x13112111;
- cpu->isar.id_isar2 = 0x21232042;
- cpu->isar.id_isar3 = 0x01112131;
- cpu->isar.id_isar4 = 0x00010142;
- cpu->isar.id_isar5 = 0x01011121;
- cpu->isar.id_isar6 = 0x00000010;
+ SET_IDREG(isar, ID_ISAR0, 0x02101110);
+ SET_IDREG(isar, ID_ISAR1, 0x13112111);
+ SET_IDREG(isar, ID_ISAR2, 0x21232042);
+ SET_IDREG(isar, ID_ISAR3, 0x01112131);
+ SET_IDREG(isar, ID_ISAR4, 0x00010142);
+ SET_IDREG(isar, ID_ISAR5, 0x01011121);
+ SET_IDREG(isar, ID_ISAR6, 0x00000010);
cpu->isar.id_mmfr0 = 0x10201105;
cpu->isar.id_mmfr1 = 0x40000000;
cpu->isar.id_mmfr2 = 0x01260000;
@@ -689,13 +689,13 @@ static void aarch64_neoverse_v1_initfn(Object *obj)
SET_IDREG(isar, ID_AA64PFR1, 0x0000000000000020ull);
cpu->id_afr0 = 0x00000000;
cpu->isar.id_dfr0 = 0x15011099;
- cpu->isar.id_isar0 = 0x02101110;
- cpu->isar.id_isar1 = 0x13112111;
- cpu->isar.id_isar2 = 0x21232042;
- cpu->isar.id_isar3 = 0x01112131;
- cpu->isar.id_isar4 = 0x00010142;
- cpu->isar.id_isar5 = 0x11011121;
- cpu->isar.id_isar6 = 0x01100111;
+ SET_IDREG(isar, ID_ISAR0, 0x02101110);
+ SET_IDREG(isar, ID_ISAR1, 0x13112111);
+ SET_IDREG(isar, ID_ISAR2, 0x21232042);
+ SET_IDREG(isar, ID_ISAR3, 0x01112131);
+ SET_IDREG(isar, ID_ISAR4, 0x00010142);
+ SET_IDREG(isar, ID_ISAR5, 0x11011121);
+ SET_IDREG(isar, ID_ISAR6, 0x01100111);
cpu->isar.id_mmfr0 = 0x10201105;
cpu->isar.id_mmfr1 = 0x40000000;
cpu->isar.id_mmfr2 = 0x01260000;
@@ -910,14 +910,14 @@ static void aarch64_a710_initfn(Object *obj)
cpu->isar.id_mmfr1 = 0x40000000;
cpu->isar.id_mmfr2 = 0x01260000;
cpu->isar.id_mmfr3 = 0x02122211;
- cpu->isar.id_isar0 = 0x02101110;
- cpu->isar.id_isar1 = 0x13112111;
- cpu->isar.id_isar2 = 0x21232042;
- cpu->isar.id_isar3 = 0x01112131;
- cpu->isar.id_isar4 = 0x00010142;
- cpu->isar.id_isar5 = 0x11011121; /* with Crypto */
+ SET_IDREG(isar, ID_ISAR0, 0x02101110);
+ SET_IDREG(isar, ID_ISAR1, 0x13112111);
+ SET_IDREG(isar, ID_ISAR2, 0x21232042);
+ SET_IDREG(isar, ID_ISAR3, 0x01112131);
+ SET_IDREG(isar, ID_ISAR4, 0x00010142);
+ SET_IDREG(isar, ID_ISAR5, 0x11011121); /* with Crypto */
cpu->isar.id_mmfr4 = 0x21021110;
- cpu->isar.id_isar6 = 0x01111111;
+ SET_IDREG(isar, ID_ISAR6, 0x01111111);
cpu->isar.mvfr0 = 0x10110222;
cpu->isar.mvfr1 = 0x13211111;
cpu->isar.mvfr2 = 0x00000043;
@@ -1012,14 +1012,14 @@ static void aarch64_neoverse_n2_initfn(Object *obj)
cpu->isar.id_mmfr1 = 0x40000000;
cpu->isar.id_mmfr2 = 0x01260000;
cpu->isar.id_mmfr3 = 0x02122211;
- cpu->isar.id_isar0 = 0x02101110;
- cpu->isar.id_isar1 = 0x13112111;
- cpu->isar.id_isar2 = 0x21232042;
- cpu->isar.id_isar3 = 0x01112131;
- cpu->isar.id_isar4 = 0x00010142;
- cpu->isar.id_isar5 = 0x11011121; /* with Crypto */
+ SET_IDREG(isar, ID_ISAR0, 0x02101110);
+ SET_IDREG(isar, ID_ISAR1, 0x13112111);
+ SET_IDREG(isar, ID_ISAR2, 0x21232042);
+ SET_IDREG(isar, ID_ISAR3, 0x01112131);
+ SET_IDREG(isar, ID_ISAR4, 0x00010142);
+ SET_IDREG(isar, ID_ISAR5, 0x11011121); /* with Crypto */
cpu->isar.id_mmfr4 = 0x01021110;
- cpu->isar.id_isar6 = 0x01111111;
+ SET_IDREG(isar, ID_ISAR6, 0x01111111);
cpu->isar.mvfr0 = 0x10110222;
cpu->isar.mvfr1 = 0x13211111;
cpu->isar.mvfr2 = 0x00000043;
--
2.49.0
^ permalink raw reply related [flat|nested] 30+ messages in thread
* [PATCH v8 09/14] arm/cpu: Store id_pfr0/1/2 into the idregs array
2025-06-17 15:39 [PATCH v8 00/14] arm: rework id register storage Cornelia Huck
` (7 preceding siblings ...)
2025-06-17 15:39 ` [PATCH v8 08/14] arm/cpu: Store id_isar0-7 " Cornelia Huck
@ 2025-06-17 15:39 ` Cornelia Huck
2025-06-17 15:39 ` [PATCH v8 10/14] arm/cpu: Store id_dfr0/1 " Cornelia Huck
` (7 subsequent siblings)
16 siblings, 0 replies; 30+ messages in thread
From: Cornelia Huck @ 2025-06-17 15:39 UTC (permalink / raw)
To: eric.auger.pro, eric.auger, qemu-devel, qemu-arm, kvmarm,
peter.maydell, richard.henderson, alex.bennee, maz, oliver.upton,
sebott, shameerali.kolothum.thodi, armbru, berrange, abologna,
jdenemar, agraf
Cc: shahuang, mark.rutland, philmd, pbonzini, Cornelia Huck
From: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Sebastian Ott <sebott@redhat.com>
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
---
hw/intc/armv7m_nvic.c | 5 ++--
target/arm/cpu-features.h | 10 ++++----
target/arm/cpu.c | 8 +++---
target/arm/cpu.h | 3 ---
target/arm/cpu64.c | 8 +++---
target/arm/helper.c | 8 +++---
target/arm/kvm.c | 9 +++----
target/arm/tcg/cpu-v7m.c | 24 +++++++++---------
target/arm/tcg/cpu32.c | 52 +++++++++++++++++++--------------------
target/arm/tcg/cpu64.c | 44 ++++++++++++++++-----------------
10 files changed, 82 insertions(+), 89 deletions(-)
diff --git a/hw/intc/armv7m_nvic.c b/hw/intc/armv7m_nvic.c
index fdb7f58e3678..330205fa342d 100644
--- a/hw/intc/armv7m_nvic.c
+++ b/hw/intc/armv7m_nvic.c
@@ -988,6 +988,7 @@ static void nvic_nmi_trigger(void *opaque, int n, int level)
static uint32_t nvic_readl(NVICState *s, uint32_t offset, MemTxAttrs attrs)
{
ARMCPU *cpu = s->cpu;
+ ARMISARegisters *isar = &cpu->isar;
uint32_t val;
switch (offset) {
@@ -1263,12 +1264,12 @@ static uint32_t nvic_readl(NVICState *s, uint32_t offset, MemTxAttrs attrs)
if (!arm_feature(&cpu->env, ARM_FEATURE_M_MAIN)) {
goto bad_offset;
}
- return cpu->isar.id_pfr0;
+ return GET_IDREG(isar, ID_PFR0);
case 0xd44: /* PFR1. */
if (!arm_feature(&cpu->env, ARM_FEATURE_M_MAIN)) {
goto bad_offset;
}
- return cpu->isar.id_pfr1;
+ return GET_IDREG(isar, ID_PFR1);
case 0xd48: /* DFR0. */
if (!arm_feature(&cpu->env, ARM_FEATURE_M_MAIN)) {
goto bad_offset;
diff --git a/target/arm/cpu-features.h b/target/arm/cpu-features.h
index 75a2cc407793..a34378577f08 100644
--- a/target/arm/cpu-features.h
+++ b/target/arm/cpu-features.h
@@ -137,12 +137,12 @@ static inline bool isar_feature_aa32_i8mm(const ARMISARegisters *id)
static inline bool isar_feature_aa32_ras(const ARMISARegisters *id)
{
- return FIELD_EX32(id->id_pfr0, ID_PFR0, RAS) != 0;
+ return FIELD_EX32_IDREG(id, ID_PFR0, RAS) != 0;
}
static inline bool isar_feature_aa32_mprofile(const ARMISARegisters *id)
{
- return FIELD_EX32(id->id_pfr1, ID_PFR1, MPROGMOD) != 0;
+ return FIELD_EX32_IDREG(id, ID_PFR1, MPROGMOD) != 0;
}
static inline bool isar_feature_aa32_m_sec_state(const ARMISARegisters *id)
@@ -151,7 +151,7 @@ static inline bool isar_feature_aa32_m_sec_state(const ARMISARegisters *id)
* Return true if M-profile state handling insns
* (VSCCLRM, CLRM, FPCTX access insns) are implemented
*/
- return FIELD_EX32(id->id_pfr1, ID_PFR1, SECURITY) >= 3;
+ return FIELD_EX32_IDREG(id, ID_PFR1, SECURITY) >= 3;
}
static inline bool isar_feature_aa32_fp16_arith(const ARMISARegisters *id)
@@ -350,12 +350,12 @@ static inline bool isar_feature_aa32_evt(const ARMISARegisters *id)
static inline bool isar_feature_aa32_dit(const ARMISARegisters *id)
{
- return FIELD_EX32(id->id_pfr0, ID_PFR0, DIT) != 0;
+ return FIELD_EX32_IDREG(id, ID_PFR0, DIT) != 0;
}
static inline bool isar_feature_aa32_ssbs(const ARMISARegisters *id)
{
- return FIELD_EX32(id->id_pfr2, ID_PFR2, SSBS) != 0;
+ return FIELD_EX32_IDREG(id, ID_PFR2, SSBS) != 0;
}
static inline bool isar_feature_aa32_debugv7p1(const ARMISARegisters *id)
diff --git a/target/arm/cpu.c b/target/arm/cpu.c
index cf811e47d996..62c06c7269c9 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -2317,7 +2317,7 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
* Disable the security extension feature bits in the processor
* feature registers as well.
*/
- cpu->isar.id_pfr1 = FIELD_DP32(cpu->isar.id_pfr1, ID_PFR1, SECURITY, 0);
+ FIELD_DP32_IDREG(isar, ID_PFR1, SECURITY, 0);
cpu->isar.id_dfr0 = FIELD_DP32(cpu->isar.id_dfr0, ID_DFR0, COPSDBG, 0);
FIELD_DP64_IDREG(isar, ID_AA64PFR0, EL3, 0);
@@ -2357,8 +2357,7 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
* registers if we don't have EL2.
*/
FIELD_DP64_IDREG(isar, ID_AA64PFR0, EL2, 0);
- cpu->isar.id_pfr1 = FIELD_DP32(cpu->isar.id_pfr1,
- ID_PFR1, VIRTUALIZATION, 0);
+ FIELD_DP32_IDREG(isar, ID_PFR1, VIRTUALIZATION, 0);
}
if (cpu_isar_feature(aa64_mte, cpu)) {
@@ -2421,8 +2420,7 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
FIELD_DP32(cpu->isar.id_dfr0, ID_DFR0, MMAPTRC, 0);
/* FEAT_AMU (Activity Monitors Extension) */
FIELD_DP64_IDREG(isar, ID_AA64PFR0, AMU, 0);
- cpu->isar.id_pfr0 =
- FIELD_DP32(cpu->isar.id_pfr0, ID_PFR0, AMU, 0);
+ FIELD_DP32_IDREG(isar, ID_PFR0, AMU, 0);
/* FEAT_MPAM (Memory Partitioning and Monitoring Extension) */
FIELD_DP64_IDREG(isar, ID_AA64PFR0, MPAM, 0);
}
diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index 353c18e67993..30401926e115 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -1056,9 +1056,6 @@ struct ArchCPU {
uint32_t id_mmfr3;
uint32_t id_mmfr4;
uint32_t id_mmfr5;
- uint32_t id_pfr0;
- uint32_t id_pfr1;
- uint32_t id_pfr2;
uint32_t mvfr0;
uint32_t mvfr1;
uint32_t mvfr2;
diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c
index 6be62c0711b2..5b628aa7ebf4 100644
--- a/target/arm/cpu64.c
+++ b/target/arm/cpu64.c
@@ -652,8 +652,8 @@ static void aarch64_a57_initfn(Object *obj)
cpu->isar.mvfr2 = 0x00000043;
cpu->ctr = 0x8444c004;
cpu->reset_sctlr = 0x00c50838;
- cpu->isar.id_pfr0 = 0x00000131;
- cpu->isar.id_pfr1 = 0x00011011;
+ SET_IDREG(isar, ID_PFR0, 0x00000131);
+ SET_IDREG(isar, ID_PFR1, 0x00011011);
cpu->isar.id_dfr0 = 0x03010066;
cpu->id_afr0 = 0x00000000;
cpu->isar.id_mmfr0 = 0x10101105;
@@ -714,8 +714,8 @@ static void aarch64_a53_initfn(Object *obj)
cpu->isar.mvfr2 = 0x00000043;
cpu->ctr = 0x84448004; /* L1Ip = VIPT */
cpu->reset_sctlr = 0x00c50838;
- cpu->isar.id_pfr0 = 0x00000131;
- cpu->isar.id_pfr1 = 0x00011011;
+ SET_IDREG(isar, ID_PFR0, 0x00000131);
+ SET_IDREG(isar, ID_PFR1, 0x00011011);
cpu->isar.id_dfr0 = 0x03010066;
cpu->id_afr0 = 0x00000000;
cpu->isar.id_mmfr0 = 0x10101105;
diff --git a/target/arm/helper.c b/target/arm/helper.c
index 669b7a84284a..e9eb345ab23a 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -6932,7 +6932,7 @@ static void define_pmu_regs(ARMCPU *cpu)
static uint64_t id_pfr1_read(CPUARMState *env, const ARMCPRegInfo *ri)
{
ARMCPU *cpu = env_archcpu(env);
- uint64_t pfr1 = cpu->isar.id_pfr1;
+ uint64_t pfr1 = GET_IDREG(&cpu->isar, ID_PFR1);
if (env->gicv3state) {
pfr1 |= 1 << 28;
@@ -7777,7 +7777,7 @@ void register_cp_regs_for_features(ARMCPU *cpu)
.opc0 = 3, .opc1 = 0, .crn = 0, .crm = 1, .opc2 = 0,
.access = PL1_R, .type = ARM_CP_CONST,
.accessfn = access_aa32_tid3,
- .resetvalue = cpu->isar.id_pfr0 },
+ .resetvalue = GET_IDREG(isar, ID_PFR0)},
/*
* ID_PFR1 is not a plain ARM_CP_CONST because we don't know
* the value of the GIC field until after we define these regs.
@@ -7788,7 +7788,7 @@ void register_cp_regs_for_features(ARMCPU *cpu)
.accessfn = access_aa32_tid3,
#ifdef CONFIG_USER_ONLY
.type = ARM_CP_CONST,
- .resetvalue = cpu->isar.id_pfr1,
+ .resetvalue = GET_IDREG(isar, ID_PFR1),
#else
.type = ARM_CP_NO_RAW,
.accessfn = access_aa32_tid3,
@@ -8130,7 +8130,7 @@ void register_cp_regs_for_features(ARMCPU *cpu)
.opc0 = 3, .opc1 = 0, .crn = 0, .crm = 3, .opc2 = 4,
.access = PL1_R, .type = ARM_CP_CONST,
.accessfn = access_aa64_tid3,
- .resetvalue = cpu->isar.id_pfr2 },
+ .resetvalue = GET_IDREG(isar, ID_PFR2)},
{ .name = "ID_DFR1", .state = ARM_CP_STATE_BOTH,
.opc0 = 3, .opc1 = 0, .crn = 0, .crm = 3, .opc2 = 5,
.access = PL1_R, .type = ARM_CP_CONST,
diff --git a/target/arm/kvm.c b/target/arm/kvm.c
index eef9481737b5..d945e652b3ee 100644
--- a/target/arm/kvm.c
+++ b/target/arm/kvm.c
@@ -332,10 +332,8 @@ static bool kvm_arm_get_host_cpu_features(ARMHostCPUFeatures *ahcf)
* than skipping the reads and leaving 0, as we must avoid
* considering the values in every case.
*/
- err |= read_sys_reg32(fdarray[2], &ahcf->isar.id_pfr0,
- ARM64_SYS_REG(3, 0, 0, 1, 0));
- err |= read_sys_reg32(fdarray[2], &ahcf->isar.id_pfr1,
- ARM64_SYS_REG(3, 0, 0, 1, 1));
+ err |= get_host_cpu_reg(fd, ahcf, ID_PFR0_EL1_IDX);
+ err |= get_host_cpu_reg(fd, ahcf, ID_PFR1_EL1_IDX);
err |= read_sys_reg32(fdarray[2], &ahcf->isar.id_dfr0,
ARM64_SYS_REG(3, 0, 0, 1, 2));
err |= read_sys_reg32(fdarray[2], &ahcf->isar.id_mmfr0,
@@ -362,8 +360,7 @@ static bool kvm_arm_get_host_cpu_features(ARMHostCPUFeatures *ahcf)
ARM64_SYS_REG(3, 0, 0, 3, 1));
err |= read_sys_reg32(fdarray[2], &ahcf->isar.mvfr2,
ARM64_SYS_REG(3, 0, 0, 3, 2));
- err |= read_sys_reg32(fdarray[2], &ahcf->isar.id_pfr2,
- ARM64_SYS_REG(3, 0, 0, 3, 4));
+ err |= get_host_cpu_reg(fd, ahcf, ID_PFR2_EL1_IDX);
err |= read_sys_reg32(fdarray[2], &ahcf->isar.id_dfr1,
ARM64_SYS_REG(3, 0, 0, 3, 5));
err |= read_sys_reg32(fdarray[2], &ahcf->isar.id_mmfr5,
diff --git a/target/arm/tcg/cpu-v7m.c b/target/arm/tcg/cpu-v7m.c
index 198c9f3e98c3..4a2c3bd01a36 100644
--- a/target/arm/tcg/cpu-v7m.c
+++ b/target/arm/tcg/cpu-v7m.c
@@ -59,8 +59,8 @@ static void cortex_m0_initfn(Object *obj)
* by looking at ID register fields. We use the same values as
* for the M3.
*/
- cpu->isar.id_pfr0 = 0x00000030;
- cpu->isar.id_pfr1 = 0x00000200;
+ SET_IDREG(isar, ID_PFR0, 0x00000030);
+ SET_IDREG(isar, ID_PFR1, 0x00000200);
cpu->isar.id_dfr0 = 0x00100000;
cpu->id_afr0 = 0x00000000;
cpu->isar.id_mmfr0 = 0x00000030;
@@ -85,8 +85,8 @@ static void cortex_m3_initfn(Object *obj)
set_feature(&cpu->env, ARM_FEATURE_M_MAIN);
cpu->midr = 0x410fc231;
cpu->pmsav7_dregion = 8;
- cpu->isar.id_pfr0 = 0x00000030;
- cpu->isar.id_pfr1 = 0x00000200;
+ SET_IDREG(isar, ID_PFR0, 0x00000030);
+ SET_IDREG(isar, ID_PFR1, 0x00000200);
cpu->isar.id_dfr0 = 0x00100000;
cpu->id_afr0 = 0x00000000;
cpu->isar.id_mmfr0 = 0x00000030;
@@ -116,8 +116,8 @@ static void cortex_m4_initfn(Object *obj)
cpu->isar.mvfr0 = 0x10110021;
cpu->isar.mvfr1 = 0x11000011;
cpu->isar.mvfr2 = 0x00000000;
- cpu->isar.id_pfr0 = 0x00000030;
- cpu->isar.id_pfr1 = 0x00000200;
+ SET_IDREG(isar, ID_PFR0, 0x00000030);
+ SET_IDREG(isar, ID_PFR1, 0x00000200);
cpu->isar.id_dfr0 = 0x00100000;
cpu->id_afr0 = 0x00000000;
cpu->isar.id_mmfr0 = 0x00000030;
@@ -147,8 +147,8 @@ static void cortex_m7_initfn(Object *obj)
cpu->isar.mvfr0 = 0x10110221;
cpu->isar.mvfr1 = 0x12000011;
cpu->isar.mvfr2 = 0x00000040;
- cpu->isar.id_pfr0 = 0x00000030;
- cpu->isar.id_pfr1 = 0x00000200;
+ SET_IDREG(isar, ID_PFR0, 0x00000030);
+ SET_IDREG(isar, ID_PFR1, 0x00000200);
cpu->isar.id_dfr0 = 0x00100000;
cpu->id_afr0 = 0x00000000;
cpu->isar.id_mmfr0 = 0x00100030;
@@ -180,8 +180,8 @@ static void cortex_m33_initfn(Object *obj)
cpu->isar.mvfr0 = 0x10110021;
cpu->isar.mvfr1 = 0x11000011;
cpu->isar.mvfr2 = 0x00000040;
- cpu->isar.id_pfr0 = 0x00000030;
- cpu->isar.id_pfr1 = 0x00000210;
+ SET_IDREG(isar, ID_PFR0, 0x00000030);
+ SET_IDREG(isar, ID_PFR1, 0x00000210);
cpu->isar.id_dfr0 = 0x00200000;
cpu->id_afr0 = 0x00000000;
cpu->isar.id_mmfr0 = 0x00101F40;
@@ -218,8 +218,8 @@ static void cortex_m55_initfn(Object *obj)
cpu->isar.mvfr0 = 0x10110221;
cpu->isar.mvfr1 = 0x12100211;
cpu->isar.mvfr2 = 0x00000040;
- cpu->isar.id_pfr0 = 0x20000030;
- cpu->isar.id_pfr1 = 0x00000230;
+ SET_IDREG(isar, ID_PFR0, 0x20000030);
+ SET_IDREG(isar, ID_PFR1, 0x00000230);
cpu->isar.id_dfr0 = 0x10200000;
cpu->id_afr0 = 0x00000000;
cpu->isar.id_mmfr0 = 0x00111040;
diff --git a/target/arm/tcg/cpu32.c b/target/arm/tcg/cpu32.c
index 937a72b12c9b..56374db2692f 100644
--- a/target/arm/tcg/cpu32.c
+++ b/target/arm/tcg/cpu32.c
@@ -71,16 +71,16 @@ void aa32_max_features(ARMCPU *cpu)
t = FIELD_DP32(t, ID_MMFR5, ETS, 2); /* FEAT_ETS2 */
cpu->isar.id_mmfr5 = t;
- t = cpu->isar.id_pfr0;
+ t = GET_IDREG(isar, ID_PFR0);
t = FIELD_DP32(t, ID_PFR0, CSV2, 2); /* FEAT_CSV2 */
t = FIELD_DP32(t, ID_PFR0, DIT, 1); /* FEAT_DIT */
t = FIELD_DP32(t, ID_PFR0, RAS, 1); /* FEAT_RAS */
- cpu->isar.id_pfr0 = t;
+ SET_IDREG(isar, ID_PFR0, t);
- t = cpu->isar.id_pfr2;
+ t = GET_IDREG(isar, ID_PFR2);
t = FIELD_DP32(t, ID_PFR2, CSV3, 1); /* FEAT_CSV3 */
t = FIELD_DP32(t, ID_PFR2, SSBS, 1); /* FEAT_SSBS */
- cpu->isar.id_pfr2 = t;
+ SET_IDREG(isar, ID_PFR2, t);
t = cpu->isar.id_dfr0;
t = FIELD_DP32(t, ID_DFR0, COPDBG, 10); /* FEAT_Debugv8p8 */
@@ -228,8 +228,8 @@ static void arm1136_r2_initfn(Object *obj)
cpu->isar.mvfr1 = 0x00000000;
cpu->ctr = 0x1dd20d2;
cpu->reset_sctlr = 0x00050078;
- cpu->isar.id_pfr0 = 0x111;
- cpu->isar.id_pfr1 = 0x1;
+ SET_IDREG(isar, ID_PFR0, 0x111);
+ SET_IDREG(isar, ID_PFR1, 0x1);
cpu->isar.id_dfr0 = 0x2;
cpu->id_afr0 = 0x3;
cpu->isar.id_mmfr0 = 0x01130003;
@@ -260,8 +260,8 @@ static void arm1136_initfn(Object *obj)
cpu->isar.mvfr1 = 0x00000000;
cpu->ctr = 0x1dd20d2;
cpu->reset_sctlr = 0x00050078;
- cpu->isar.id_pfr0 = 0x111;
- cpu->isar.id_pfr1 = 0x1;
+ SET_IDREG(isar, ID_PFR0, 0x111);
+ SET_IDREG(isar, ID_PFR1, 0x1);
cpu->isar.id_dfr0 = 0x2;
cpu->id_afr0 = 0x3;
cpu->isar.id_mmfr0 = 0x01130003;
@@ -293,8 +293,8 @@ static void arm1176_initfn(Object *obj)
cpu->isar.mvfr1 = 0x00000000;
cpu->ctr = 0x1dd20d2;
cpu->reset_sctlr = 0x00050078;
- cpu->isar.id_pfr0 = 0x111;
- cpu->isar.id_pfr1 = 0x11;
+ SET_IDREG(isar, ID_PFR0, 0x111);
+ SET_IDREG(isar, ID_PFR1, 0x11);
cpu->isar.id_dfr0 = 0x33;
cpu->id_afr0 = 0;
cpu->isar.id_mmfr0 = 0x01130003;
@@ -323,8 +323,8 @@ static void arm11mpcore_initfn(Object *obj)
cpu->isar.mvfr0 = 0x11111111;
cpu->isar.mvfr1 = 0x00000000;
cpu->ctr = 0x1d192992; /* 32K icache 32K dcache */
- cpu->isar.id_pfr0 = 0x111;
- cpu->isar.id_pfr1 = 0x1;
+ SET_IDREG(isar, ID_PFR0, 0x111);
+ SET_IDREG(isar, ID_PFR1, 0x1);
cpu->isar.id_dfr0 = 0;
cpu->id_afr0 = 0x2;
cpu->isar.id_mmfr0 = 0x01100103;
@@ -363,8 +363,8 @@ static void cortex_a8_initfn(Object *obj)
cpu->isar.mvfr1 = 0x00011111;
cpu->ctr = 0x82048004;
cpu->reset_sctlr = 0x00c50078;
- cpu->isar.id_pfr0 = 0x1031;
- cpu->isar.id_pfr1 = 0x11;
+ SET_IDREG(isar, ID_PFR0, 0x1031);
+ SET_IDREG(isar, ID_PFR1, 0x11);
cpu->isar.id_dfr0 = 0x400;
cpu->id_afr0 = 0;
cpu->isar.id_mmfr0 = 0x31100003;
@@ -439,8 +439,8 @@ static void cortex_a9_initfn(Object *obj)
cpu->isar.mvfr1 = 0x01111111;
cpu->ctr = 0x80038003;
cpu->reset_sctlr = 0x00c50078;
- cpu->isar.id_pfr0 = 0x1031;
- cpu->isar.id_pfr1 = 0x11;
+ SET_IDREG(isar, ID_PFR0, 0x1031);
+ SET_IDREG(isar, ID_PFR1, 0x11);
cpu->isar.id_dfr0 = 0x000;
cpu->id_afr0 = 0;
cpu->isar.id_mmfr0 = 0x00100103;
@@ -505,8 +505,8 @@ static void cortex_a7_initfn(Object *obj)
cpu->isar.mvfr1 = 0x11111111;
cpu->ctr = 0x84448003;
cpu->reset_sctlr = 0x00c50078;
- cpu->isar.id_pfr0 = 0x00001131;
- cpu->isar.id_pfr1 = 0x00011011;
+ SET_IDREG(isar, ID_PFR0, 0x00001131);
+ SET_IDREG(isar, ID_PFR1, 0x00011011);
cpu->isar.id_dfr0 = 0x02010555;
cpu->id_afr0 = 0x00000000;
cpu->isar.id_mmfr0 = 0x10101105;
@@ -557,8 +557,8 @@ static void cortex_a15_initfn(Object *obj)
cpu->isar.mvfr1 = 0x11111111;
cpu->ctr = 0x8444c004;
cpu->reset_sctlr = 0x00c50078;
- cpu->isar.id_pfr0 = 0x00001131;
- cpu->isar.id_pfr1 = 0x00011011;
+ SET_IDREG(isar, ID_PFR0, 0x00001131);
+ SET_IDREG(isar, ID_PFR1, 0x00011011);
cpu->isar.id_dfr0 = 0x02010555;
cpu->id_afr0 = 0x00000000;
cpu->isar.id_mmfr0 = 0x10201105;
@@ -601,8 +601,8 @@ static void cortex_r5_initfn(Object *obj)
set_feature(&cpu->env, ARM_FEATURE_PMSA);
set_feature(&cpu->env, ARM_FEATURE_PMU);
cpu->midr = 0x411fc153; /* r1p3 */
- cpu->isar.id_pfr0 = 0x0131;
- cpu->isar.id_pfr1 = 0x001;
+ SET_IDREG(isar, ID_PFR0, 0x0131);
+ SET_IDREG(isar, ID_PFR1, 0x001);
cpu->isar.id_dfr0 = 0x010400;
cpu->id_afr0 = 0x0;
cpu->isar.id_mmfr0 = 0x0210030;
@@ -748,8 +748,8 @@ static void cortex_r52_initfn(Object *obj)
cpu->isar.mvfr2 = 0x00000043;
cpu->ctr = 0x8144c004;
cpu->reset_sctlr = 0x30c50838;
- cpu->isar.id_pfr0 = 0x00000131;
- cpu->isar.id_pfr1 = 0x10111001;
+ SET_IDREG(isar, ID_PFR0, 0x00000131);
+ SET_IDREG(isar, ID_PFR1, 0x10111001);
cpu->isar.id_dfr0 = 0x03010006;
cpu->id_afr0 = 0x00000000;
cpu->isar.id_mmfr0 = 0x00211040;
@@ -980,8 +980,8 @@ static void arm_max_initfn(Object *obj)
cpu->isar.mvfr2 = 0x00000043;
cpu->ctr = 0x8444c004;
cpu->reset_sctlr = 0x00c50838;
- cpu->isar.id_pfr0 = 0x00000131;
- cpu->isar.id_pfr1 = 0x00011011;
+ SET_IDREG(isar, ID_PFR0, 0x00000131);
+ SET_IDREG(isar, ID_PFR1, 0x00011011);
cpu->isar.id_dfr0 = 0x03010066;
cpu->id_afr0 = 0x00000000;
cpu->isar.id_mmfr0 = 0x10101105;
diff --git a/target/arm/tcg/cpu64.c b/target/arm/tcg/cpu64.c
index dd4dc8ada564..c3f90e9d1357 100644
--- a/target/arm/tcg/cpu64.c
+++ b/target/arm/tcg/cpu64.c
@@ -49,8 +49,8 @@ static void aarch64_a35_initfn(Object *obj)
cpu->midr = 0x411fd040;
cpu->revidr = 0;
cpu->ctr = 0x84448004;
- cpu->isar.id_pfr0 = 0x00000131;
- cpu->isar.id_pfr1 = 0x00011011;
+ SET_IDREG(isar, ID_PFR0, 0x00000131);
+ SET_IDREG(isar, ID_PFR1, 0x00011011);
cpu->isar.id_dfr0 = 0x03010066;
cpu->id_afr0 = 0;
cpu->isar.id_mmfr0 = 0x10201105;
@@ -241,9 +241,9 @@ static void aarch64_a55_initfn(Object *obj)
cpu->isar.id_mmfr2 = 0x01260000;
cpu->isar.id_mmfr3 = 0x02122211;
cpu->isar.id_mmfr4 = 0x00021110;
- cpu->isar.id_pfr0 = 0x10010131;
- cpu->isar.id_pfr1 = 0x00011011;
- cpu->isar.id_pfr2 = 0x00000011;
+ SET_IDREG(isar, ID_PFR0, 0x10010131);
+ SET_IDREG(isar, ID_PFR1, 0x00011011);
+ SET_IDREG(isar, ID_PFR2, 0x00000011);
cpu->midr = 0x412FD050; /* r2p0 */
cpu->revidr = 0;
@@ -295,8 +295,8 @@ static void aarch64_a72_initfn(Object *obj)
cpu->isar.mvfr2 = 0x00000043;
cpu->ctr = 0x8444c004;
cpu->reset_sctlr = 0x00c50838;
- cpu->isar.id_pfr0 = 0x00000131;
- cpu->isar.id_pfr1 = 0x00011011;
+ SET_IDREG(isar, ID_PFR0, 0x00000131);
+ SET_IDREG(isar, ID_PFR1, 0x00011011);
cpu->isar.id_dfr0 = 0x03010066;
cpu->id_afr0 = 0x00000000;
cpu->isar.id_mmfr0 = 0x10201105;
@@ -374,9 +374,9 @@ static void aarch64_a76_initfn(Object *obj)
cpu->isar.id_mmfr2 = 0x01260000;
cpu->isar.id_mmfr3 = 0x02122211;
cpu->isar.id_mmfr4 = 0x00021110;
- cpu->isar.id_pfr0 = 0x10010131;
- cpu->isar.id_pfr1 = 0x00010000; /* GIC filled in later */
- cpu->isar.id_pfr2 = 0x00000011;
+ SET_IDREG(isar, ID_PFR0, 0x10010131);
+ SET_IDREG(isar, ID_PFR1, 0x00010000); /* GIC filled in later */
+ SET_IDREG(isar, ID_PFR2, 0x00000011);
cpu->midr = 0x414fd0b1; /* r4p1 */
cpu->revidr = 0;
@@ -622,9 +622,9 @@ static void aarch64_neoverse_n1_initfn(Object *obj)
cpu->isar.id_mmfr2 = 0x01260000;
cpu->isar.id_mmfr3 = 0x02122211;
cpu->isar.id_mmfr4 = 0x00021110;
- cpu->isar.id_pfr0 = 0x10010131;
- cpu->isar.id_pfr1 = 0x00010000; /* GIC filled in later */
- cpu->isar.id_pfr2 = 0x00000011;
+ SET_IDREG(isar, ID_PFR0, 0x10010131);
+ SET_IDREG(isar, ID_PFR1, 0x00010000); /* GIC filled in later */
+ SET_IDREG(isar, ID_PFR2, 0x00000011);
cpu->midr = 0x414fd0c1; /* r4p1 */
cpu->revidr = 0;
@@ -701,9 +701,9 @@ static void aarch64_neoverse_v1_initfn(Object *obj)
cpu->isar.id_mmfr2 = 0x01260000;
cpu->isar.id_mmfr3 = 0x02122211;
cpu->isar.id_mmfr4 = 0x01021110;
- cpu->isar.id_pfr0 = 0x21110131;
- cpu->isar.id_pfr1 = 0x00010000; /* GIC filled in later */
- cpu->isar.id_pfr2 = 0x00000011;
+ SET_IDREG(isar, ID_PFR0, 0x21110131);
+ SET_IDREG(isar, ID_PFR1, 0x00010000); /* GIC filled in later */
+ SET_IDREG(isar, ID_PFR2, 0x00000011);
cpu->midr = 0x411FD402; /* r1p2 */
cpu->revidr = 0;
@@ -902,8 +902,8 @@ static void aarch64_a710_initfn(Object *obj)
/* Ordered by Section B.4: AArch64 registers */
cpu->midr = 0x412FD471; /* r2p1 */
cpu->revidr = 0;
- cpu->isar.id_pfr0 = 0x21110131;
- cpu->isar.id_pfr1 = 0x00010000; /* GIC filled in later */
+ SET_IDREG(isar, ID_PFR0, 0x21110131);
+ SET_IDREG(isar, ID_PFR1, 0x00010000); /* GIC filled in later */
cpu->isar.id_dfr0 = 0x16011099;
cpu->id_afr0 = 0;
cpu->isar.id_mmfr0 = 0x10201105;
@@ -921,7 +921,7 @@ static void aarch64_a710_initfn(Object *obj)
cpu->isar.mvfr0 = 0x10110222;
cpu->isar.mvfr1 = 0x13211111;
cpu->isar.mvfr2 = 0x00000043;
- cpu->isar.id_pfr2 = 0x00000011;
+ SET_IDREG(isar, ID_PFR2, 0x00000011);
SET_IDREG(isar, ID_AA64PFR0, 0x1201111120111112ull); /* GIC filled in later */
SET_IDREG(isar, ID_AA64PFR1, 0x0000000000000221ull);
SET_IDREG(isar, ID_AA64ZFR0, 0x0000110100110021ull); /* with Crypto */
@@ -1004,8 +1004,8 @@ static void aarch64_neoverse_n2_initfn(Object *obj)
/* Ordered by Section B.5: AArch64 ID registers */
cpu->midr = 0x410FD493; /* r0p3 */
cpu->revidr = 0;
- cpu->isar.id_pfr0 = 0x21110131;
- cpu->isar.id_pfr1 = 0x00010000; /* GIC filled in later */
+ SET_IDREG(isar, ID_PFR0, 0x21110131);
+ SET_IDREG(isar, ID_PFR1, 0x00010000); /* GIC filled in later */
cpu->isar.id_dfr0 = 0x16011099;
cpu->id_afr0 = 0;
cpu->isar.id_mmfr0 = 0x10201105;
@@ -1023,7 +1023,7 @@ static void aarch64_neoverse_n2_initfn(Object *obj)
cpu->isar.mvfr0 = 0x10110222;
cpu->isar.mvfr1 = 0x13211111;
cpu->isar.mvfr2 = 0x00000043;
- cpu->isar.id_pfr2 = 0x00000011;
+ SET_IDREG(isar, ID_PFR2, 0x00000011);
SET_IDREG(isar, ID_AA64PFR0, 0x1201111120111112ull); /* GIC filled in later */
SET_IDREG(isar, ID_AA64PFR1, 0x0000000000000221ull);
SET_IDREG(isar, ID_AA64ZFR0, 0x0000110100110021ull); /* with Crypto */
--
2.49.0
^ permalink raw reply related [flat|nested] 30+ messages in thread
* [PATCH v8 10/14] arm/cpu: Store id_dfr0/1 into the idregs array
2025-06-17 15:39 [PATCH v8 00/14] arm: rework id register storage Cornelia Huck
` (8 preceding siblings ...)
2025-06-17 15:39 ` [PATCH v8 09/14] arm/cpu: Store id_pfr0/1/2 " Cornelia Huck
@ 2025-06-17 15:39 ` Cornelia Huck
2025-06-17 15:39 ` [PATCH v8 11/14] arm/cpu: Store id_mmfr0-5 " Cornelia Huck
` (6 subsequent siblings)
16 siblings, 0 replies; 30+ messages in thread
From: Cornelia Huck @ 2025-06-17 15:39 UTC (permalink / raw)
To: eric.auger.pro, eric.auger, qemu-devel, qemu-arm, kvmarm,
peter.maydell, richard.henderson, alex.bennee, maz, oliver.upton,
sebott, shameerali.kolothum.thodi, armbru, berrange, abologna,
jdenemar, agraf
Cc: shahuang, mark.rutland, philmd, pbonzini, Cornelia Huck
From: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Sebastian Ott <sebott@redhat.com>
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
---
hw/intc/armv7m_nvic.c | 2 +-
target/arm/cpu-features.h | 16 ++++++++--------
target/arm/cpu.c | 13 +++++--------
target/arm/cpu.h | 2 --
target/arm/cpu64.c | 4 ++--
target/arm/helper.c | 4 ++--
target/arm/kvm.c | 6 ++----
target/arm/tcg/cpu-v7m.c | 12 ++++++------
target/arm/tcg/cpu32.c | 30 ++++++++++++++----------------
target/arm/tcg/cpu64.c | 16 ++++++++--------
10 files changed, 48 insertions(+), 57 deletions(-)
diff --git a/hw/intc/armv7m_nvic.c b/hw/intc/armv7m_nvic.c
index 330205fa342d..2566dd634318 100644
--- a/hw/intc/armv7m_nvic.c
+++ b/hw/intc/armv7m_nvic.c
@@ -1274,7 +1274,7 @@ static uint32_t nvic_readl(NVICState *s, uint32_t offset, MemTxAttrs attrs)
if (!arm_feature(&cpu->env, ARM_FEATURE_M_MAIN)) {
goto bad_offset;
}
- return cpu->isar.id_dfr0;
+ return GET_IDREG(isar, ID_DFR0);
case 0xd4c: /* AFR0. */
if (!arm_feature(&cpu->env, ARM_FEATURE_M_MAIN)) {
goto bad_offset;
diff --git a/target/arm/cpu-features.h b/target/arm/cpu-features.h
index a34378577f08..0292a7cd6ec2 100644
--- a/target/arm/cpu-features.h
+++ b/target/arm/cpu-features.h
@@ -300,22 +300,22 @@ static inline bool isar_feature_aa32_ats1e1(const ARMISARegisters *id)
static inline bool isar_feature_aa32_pmuv3p1(const ARMISARegisters *id)
{
/* 0xf means "non-standard IMPDEF PMU" */
- return FIELD_EX32(id->id_dfr0, ID_DFR0, PERFMON) >= 4 &&
- FIELD_EX32(id->id_dfr0, ID_DFR0, PERFMON) != 0xf;
+ return FIELD_EX32_IDREG(id, ID_DFR0, PERFMON) >= 4 &&
+ FIELD_EX32_IDREG(id, ID_DFR0, PERFMON) != 0xf;
}
static inline bool isar_feature_aa32_pmuv3p4(const ARMISARegisters *id)
{
/* 0xf means "non-standard IMPDEF PMU" */
- return FIELD_EX32(id->id_dfr0, ID_DFR0, PERFMON) >= 5 &&
- FIELD_EX32(id->id_dfr0, ID_DFR0, PERFMON) != 0xf;
+ return FIELD_EX32_IDREG(id, ID_DFR0, PERFMON) >= 5 &&
+ FIELD_EX32_IDREG(id, ID_DFR0, PERFMON) != 0xf;
}
static inline bool isar_feature_aa32_pmuv3p5(const ARMISARegisters *id)
{
/* 0xf means "non-standard IMPDEF PMU" */
- return FIELD_EX32(id->id_dfr0, ID_DFR0, PERFMON) >= 6 &&
- FIELD_EX32(id->id_dfr0, ID_DFR0, PERFMON) != 0xf;
+ return FIELD_EX32_IDREG(id, ID_DFR0, PERFMON) >= 6 &&
+ FIELD_EX32_IDREG(id, ID_DFR0, PERFMON) != 0xf;
}
static inline bool isar_feature_aa32_hpd(const ARMISARegisters *id)
@@ -360,12 +360,12 @@ static inline bool isar_feature_aa32_ssbs(const ARMISARegisters *id)
static inline bool isar_feature_aa32_debugv7p1(const ARMISARegisters *id)
{
- return FIELD_EX32(id->id_dfr0, ID_DFR0, COPDBG) >= 5;
+ return FIELD_EX32_IDREG(id, ID_DFR0, COPDBG) >= 5;
}
static inline bool isar_feature_aa32_debugv8p2(const ARMISARegisters *id)
{
- return FIELD_EX32(id->id_dfr0, ID_DFR0, COPDBG) >= 8;
+ return FIELD_EX32_IDREG(id, ID_DFR0, COPDBG) >= 8;
}
static inline bool isar_feature_aa32_doublelock(const ARMISARegisters *id)
diff --git a/target/arm/cpu.c b/target/arm/cpu.c
index 62c06c7269c9..8e77414c2b93 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -2318,7 +2318,7 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
* feature registers as well.
*/
FIELD_DP32_IDREG(isar, ID_PFR1, SECURITY, 0);
- cpu->isar.id_dfr0 = FIELD_DP32(cpu->isar.id_dfr0, ID_DFR0, COPSDBG, 0);
+ FIELD_DP32_IDREG(isar, ID_DFR0, COPSDBG, 0);
FIELD_DP64_IDREG(isar, ID_AA64PFR0, EL3, 0);
/* Disable the realm management extension, which requires EL3. */
@@ -2346,7 +2346,7 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
#endif
} else {
FIELD_DP64_IDREG(isar, ID_AA64DFR0, PMUVER, 0);
- cpu->isar.id_dfr0 = FIELD_DP32(cpu->isar.id_dfr0, ID_DFR0, PERFMON, 0);
+ FIELD_DP32_IDREG(isar, ID_DFR0, PERFMON, 0);
cpu->pmceid0 = 0;
cpu->pmceid1 = 0;
}
@@ -2409,15 +2409,12 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
FIELD_DP64_IDREG(isar, ID_AA64DFR0, TRACEBUFFER, 0);
/* FEAT_TRF (Self-hosted Trace Extension) */
FIELD_DP64_IDREG(isar, ID_AA64DFR0, TRACEFILT, 0);
- cpu->isar.id_dfr0 =
- FIELD_DP32(cpu->isar.id_dfr0, ID_DFR0, TRACEFILT, 0);
+ FIELD_DP32_IDREG(isar, ID_DFR0, TRACEFILT, 0);
/* Trace Macrocell system register access */
FIELD_DP64_IDREG(isar, ID_AA64DFR0, TRACEVER, 0);
- cpu->isar.id_dfr0 =
- FIELD_DP32(cpu->isar.id_dfr0, ID_DFR0, COPTRC, 0);
+ FIELD_DP32_IDREG(isar, ID_DFR0, COPTRC, 0);
/* Memory mapped trace */
- cpu->isar.id_dfr0 =
- FIELD_DP32(cpu->isar.id_dfr0, ID_DFR0, MMAPTRC, 0);
+ FIELD_DP32_IDREG(isar, ID_DFR0, MMAPTRC, 0);
/* FEAT_AMU (Activity Monitors Extension) */
FIELD_DP64_IDREG(isar, ID_AA64PFR0, AMU, 0);
FIELD_DP32_IDREG(isar, ID_PFR0, AMU, 0);
diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index 30401926e115..c799105eeb21 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -1059,8 +1059,6 @@ struct ArchCPU {
uint32_t mvfr0;
uint32_t mvfr1;
uint32_t mvfr2;
- uint32_t id_dfr0;
- uint32_t id_dfr1;
uint32_t dbgdidr;
uint32_t dbgdevid;
uint32_t dbgdevid1;
diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c
index 5b628aa7ebf4..47c2eed3c991 100644
--- a/target/arm/cpu64.c
+++ b/target/arm/cpu64.c
@@ -654,7 +654,7 @@ static void aarch64_a57_initfn(Object *obj)
cpu->reset_sctlr = 0x00c50838;
SET_IDREG(isar, ID_PFR0, 0x00000131);
SET_IDREG(isar, ID_PFR1, 0x00011011);
- cpu->isar.id_dfr0 = 0x03010066;
+ SET_IDREG(isar, ID_DFR0, 0x03010066);
cpu->id_afr0 = 0x00000000;
cpu->isar.id_mmfr0 = 0x10101105;
cpu->isar.id_mmfr1 = 0x40000000;
@@ -716,7 +716,7 @@ static void aarch64_a53_initfn(Object *obj)
cpu->reset_sctlr = 0x00c50838;
SET_IDREG(isar, ID_PFR0, 0x00000131);
SET_IDREG(isar, ID_PFR1, 0x00011011);
- cpu->isar.id_dfr0 = 0x03010066;
+ SET_IDREG(isar, ID_DFR0, 0x03010066);
cpu->id_afr0 = 0x00000000;
cpu->isar.id_mmfr0 = 0x10101105;
cpu->isar.id_mmfr1 = 0x40000000;
diff --git a/target/arm/helper.c b/target/arm/helper.c
index e9eb345ab23a..c4022dd69a87 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -7800,7 +7800,7 @@ void register_cp_regs_for_features(ARMCPU *cpu)
.opc0 = 3, .opc1 = 0, .crn = 0, .crm = 1, .opc2 = 2,
.access = PL1_R, .type = ARM_CP_CONST,
.accessfn = access_aa32_tid3,
- .resetvalue = cpu->isar.id_dfr0 },
+ .resetvalue = GET_IDREG(isar, ID_DFR0)},
{ .name = "ID_AFR0", .state = ARM_CP_STATE_BOTH,
.opc0 = 3, .opc1 = 0, .crn = 0, .crm = 1, .opc2 = 3,
.access = PL1_R, .type = ARM_CP_CONST,
@@ -8135,7 +8135,7 @@ void register_cp_regs_for_features(ARMCPU *cpu)
.opc0 = 3, .opc1 = 0, .crn = 0, .crm = 3, .opc2 = 5,
.access = PL1_R, .type = ARM_CP_CONST,
.accessfn = access_aa64_tid3,
- .resetvalue = cpu->isar.id_dfr1 },
+ .resetvalue = GET_IDREG(isar, ID_DFR1)},
{ .name = "ID_MMFR5", .state = ARM_CP_STATE_BOTH,
.opc0 = 3, .opc1 = 0, .crn = 0, .crm = 3, .opc2 = 6,
.access = PL1_R, .type = ARM_CP_CONST,
diff --git a/target/arm/kvm.c b/target/arm/kvm.c
index d945e652b3ee..2a6a5329b439 100644
--- a/target/arm/kvm.c
+++ b/target/arm/kvm.c
@@ -334,8 +334,7 @@ static bool kvm_arm_get_host_cpu_features(ARMHostCPUFeatures *ahcf)
*/
err |= get_host_cpu_reg(fd, ahcf, ID_PFR0_EL1_IDX);
err |= get_host_cpu_reg(fd, ahcf, ID_PFR1_EL1_IDX);
- err |= read_sys_reg32(fdarray[2], &ahcf->isar.id_dfr0,
- ARM64_SYS_REG(3, 0, 0, 1, 2));
+ err |= get_host_cpu_reg(fd, ahcf, ID_DFR0_EL1_IDX);
err |= read_sys_reg32(fdarray[2], &ahcf->isar.id_mmfr0,
ARM64_SYS_REG(3, 0, 0, 1, 4));
err |= read_sys_reg32(fdarray[2], &ahcf->isar.id_mmfr1,
@@ -361,8 +360,7 @@ static bool kvm_arm_get_host_cpu_features(ARMHostCPUFeatures *ahcf)
err |= read_sys_reg32(fdarray[2], &ahcf->isar.mvfr2,
ARM64_SYS_REG(3, 0, 0, 3, 2));
err |= get_host_cpu_reg(fd, ahcf, ID_PFR2_EL1_IDX);
- err |= read_sys_reg32(fdarray[2], &ahcf->isar.id_dfr1,
- ARM64_SYS_REG(3, 0, 0, 3, 5));
+ err |= get_host_cpu_reg(fd, ahcf, ID_DFR1_EL1_IDX);
err |= read_sys_reg32(fdarray[2], &ahcf->isar.id_mmfr5,
ARM64_SYS_REG(3, 0, 0, 3, 6));
diff --git a/target/arm/tcg/cpu-v7m.c b/target/arm/tcg/cpu-v7m.c
index 4a2c3bd01a36..9697c362c19b 100644
--- a/target/arm/tcg/cpu-v7m.c
+++ b/target/arm/tcg/cpu-v7m.c
@@ -61,7 +61,7 @@ static void cortex_m0_initfn(Object *obj)
*/
SET_IDREG(isar, ID_PFR0, 0x00000030);
SET_IDREG(isar, ID_PFR1, 0x00000200);
- cpu->isar.id_dfr0 = 0x00100000;
+ SET_IDREG(isar, ID_DFR0, 0x00100000);
cpu->id_afr0 = 0x00000000;
cpu->isar.id_mmfr0 = 0x00000030;
cpu->isar.id_mmfr1 = 0x00000000;
@@ -87,7 +87,7 @@ static void cortex_m3_initfn(Object *obj)
cpu->pmsav7_dregion = 8;
SET_IDREG(isar, ID_PFR0, 0x00000030);
SET_IDREG(isar, ID_PFR1, 0x00000200);
- cpu->isar.id_dfr0 = 0x00100000;
+ SET_IDREG(isar, ID_DFR0, 0x00100000);
cpu->id_afr0 = 0x00000000;
cpu->isar.id_mmfr0 = 0x00000030;
cpu->isar.id_mmfr1 = 0x00000000;
@@ -118,7 +118,7 @@ static void cortex_m4_initfn(Object *obj)
cpu->isar.mvfr2 = 0x00000000;
SET_IDREG(isar, ID_PFR0, 0x00000030);
SET_IDREG(isar, ID_PFR1, 0x00000200);
- cpu->isar.id_dfr0 = 0x00100000;
+ SET_IDREG(isar, ID_DFR0, 0x00100000);
cpu->id_afr0 = 0x00000000;
cpu->isar.id_mmfr0 = 0x00000030;
cpu->isar.id_mmfr1 = 0x00000000;
@@ -149,7 +149,7 @@ static void cortex_m7_initfn(Object *obj)
cpu->isar.mvfr2 = 0x00000040;
SET_IDREG(isar, ID_PFR0, 0x00000030);
SET_IDREG(isar, ID_PFR1, 0x00000200);
- cpu->isar.id_dfr0 = 0x00100000;
+ SET_IDREG(isar, ID_DFR0, 0x00100000);
cpu->id_afr0 = 0x00000000;
cpu->isar.id_mmfr0 = 0x00100030;
cpu->isar.id_mmfr1 = 0x00000000;
@@ -182,7 +182,7 @@ static void cortex_m33_initfn(Object *obj)
cpu->isar.mvfr2 = 0x00000040;
SET_IDREG(isar, ID_PFR0, 0x00000030);
SET_IDREG(isar, ID_PFR1, 0x00000210);
- cpu->isar.id_dfr0 = 0x00200000;
+ SET_IDREG(isar, ID_DFR0, 0x00200000);
cpu->id_afr0 = 0x00000000;
cpu->isar.id_mmfr0 = 0x00101F40;
cpu->isar.id_mmfr1 = 0x00000000;
@@ -220,7 +220,7 @@ static void cortex_m55_initfn(Object *obj)
cpu->isar.mvfr2 = 0x00000040;
SET_IDREG(isar, ID_PFR0, 0x20000030);
SET_IDREG(isar, ID_PFR1, 0x00000230);
- cpu->isar.id_dfr0 = 0x10200000;
+ SET_IDREG(isar, ID_DFR0, 0x10200000);
cpu->id_afr0 = 0x00000000;
cpu->isar.id_mmfr0 = 0x00111040;
cpu->isar.id_mmfr1 = 0x00000000;
diff --git a/target/arm/tcg/cpu32.c b/target/arm/tcg/cpu32.c
index 56374db2692f..bec69fe52e47 100644
--- a/target/arm/tcg/cpu32.c
+++ b/target/arm/tcg/cpu32.c
@@ -82,11 +82,11 @@ void aa32_max_features(ARMCPU *cpu)
t = FIELD_DP32(t, ID_PFR2, SSBS, 1); /* FEAT_SSBS */
SET_IDREG(isar, ID_PFR2, t);
- t = cpu->isar.id_dfr0;
+ t = GET_IDREG(isar, ID_DFR0);
t = FIELD_DP32(t, ID_DFR0, COPDBG, 10); /* FEAT_Debugv8p8 */
t = FIELD_DP32(t, ID_DFR0, COPSDBG, 10); /* FEAT_Debugv8p8 */
t = FIELD_DP32(t, ID_DFR0, PERFMON, 6); /* FEAT_PMUv3p5 */
- cpu->isar.id_dfr0 = t;
+ SET_IDREG(isar, ID_DFR0, t);
/* Debug ID registers. */
@@ -116,9 +116,7 @@ void aa32_max_features(ARMCPU *cpu)
t = FIELD_DP32(t, DBGDEVID1, PCSROFFSET, 2);
cpu->isar.dbgdevid1 = t;
- t = cpu->isar.id_dfr1;
- t = FIELD_DP32(t, ID_DFR1, HPMN0, 1); /* FEAT_HPMN0 */
- cpu->isar.id_dfr1 = t;
+ FIELD_DP32_IDREG(isar, ID_DFR1, HPMN0, 1); /* FEAT_HPMN0 */
}
/* CPU models. These are not needed for the AArch64 linux-user build. */
@@ -230,7 +228,7 @@ static void arm1136_r2_initfn(Object *obj)
cpu->reset_sctlr = 0x00050078;
SET_IDREG(isar, ID_PFR0, 0x111);
SET_IDREG(isar, ID_PFR1, 0x1);
- cpu->isar.id_dfr0 = 0x2;
+ SET_IDREG(isar, ID_DFR0, 0x2);
cpu->id_afr0 = 0x3;
cpu->isar.id_mmfr0 = 0x01130003;
cpu->isar.id_mmfr1 = 0x10030302;
@@ -262,7 +260,7 @@ static void arm1136_initfn(Object *obj)
cpu->reset_sctlr = 0x00050078;
SET_IDREG(isar, ID_PFR0, 0x111);
SET_IDREG(isar, ID_PFR1, 0x1);
- cpu->isar.id_dfr0 = 0x2;
+ SET_IDREG(isar, ID_DFR0, 0x2);
cpu->id_afr0 = 0x3;
cpu->isar.id_mmfr0 = 0x01130003;
cpu->isar.id_mmfr1 = 0x10030302;
@@ -295,7 +293,7 @@ static void arm1176_initfn(Object *obj)
cpu->reset_sctlr = 0x00050078;
SET_IDREG(isar, ID_PFR0, 0x111);
SET_IDREG(isar, ID_PFR1, 0x11);
- cpu->isar.id_dfr0 = 0x33;
+ SET_IDREG(isar, ID_DFR0, 0x33);
cpu->id_afr0 = 0;
cpu->isar.id_mmfr0 = 0x01130003;
cpu->isar.id_mmfr1 = 0x10030302;
@@ -325,7 +323,7 @@ static void arm11mpcore_initfn(Object *obj)
cpu->ctr = 0x1d192992; /* 32K icache 32K dcache */
SET_IDREG(isar, ID_PFR0, 0x111);
SET_IDREG(isar, ID_PFR1, 0x1);
- cpu->isar.id_dfr0 = 0;
+ SET_IDREG(isar, ID_DFR0, 0);
cpu->id_afr0 = 0x2;
cpu->isar.id_mmfr0 = 0x01100103;
cpu->isar.id_mmfr1 = 0x10020302;
@@ -365,7 +363,7 @@ static void cortex_a8_initfn(Object *obj)
cpu->reset_sctlr = 0x00c50078;
SET_IDREG(isar, ID_PFR0, 0x1031);
SET_IDREG(isar, ID_PFR1, 0x11);
- cpu->isar.id_dfr0 = 0x400;
+ SET_IDREG(isar, ID_DFR0, 0x400);
cpu->id_afr0 = 0;
cpu->isar.id_mmfr0 = 0x31100003;
cpu->isar.id_mmfr1 = 0x20000000;
@@ -441,7 +439,7 @@ static void cortex_a9_initfn(Object *obj)
cpu->reset_sctlr = 0x00c50078;
SET_IDREG(isar, ID_PFR0, 0x1031);
SET_IDREG(isar, ID_PFR1, 0x11);
- cpu->isar.id_dfr0 = 0x000;
+ SET_IDREG(isar, ID_DFR0, 0x000);
cpu->id_afr0 = 0;
cpu->isar.id_mmfr0 = 0x00100103;
cpu->isar.id_mmfr1 = 0x20000000;
@@ -507,7 +505,7 @@ static void cortex_a7_initfn(Object *obj)
cpu->reset_sctlr = 0x00c50078;
SET_IDREG(isar, ID_PFR0, 0x00001131);
SET_IDREG(isar, ID_PFR1, 0x00011011);
- cpu->isar.id_dfr0 = 0x02010555;
+ SET_IDREG(isar, ID_DFR0, 0x02010555);
cpu->id_afr0 = 0x00000000;
cpu->isar.id_mmfr0 = 0x10101105;
cpu->isar.id_mmfr1 = 0x40000000;
@@ -559,7 +557,7 @@ static void cortex_a15_initfn(Object *obj)
cpu->reset_sctlr = 0x00c50078;
SET_IDREG(isar, ID_PFR0, 0x00001131);
SET_IDREG(isar, ID_PFR1, 0x00011011);
- cpu->isar.id_dfr0 = 0x02010555;
+ SET_IDREG(isar, ID_DFR0, 0x02010555);
cpu->id_afr0 = 0x00000000;
cpu->isar.id_mmfr0 = 0x10201105;
cpu->isar.id_mmfr1 = 0x20000000;
@@ -603,7 +601,7 @@ static void cortex_r5_initfn(Object *obj)
cpu->midr = 0x411fc153; /* r1p3 */
SET_IDREG(isar, ID_PFR0, 0x0131);
SET_IDREG(isar, ID_PFR1, 0x001);
- cpu->isar.id_dfr0 = 0x010400;
+ SET_IDREG(isar, ID_DFR0, 0x010400);
cpu->id_afr0 = 0x0;
cpu->isar.id_mmfr0 = 0x0210030;
cpu->isar.id_mmfr1 = 0x00000000;
@@ -750,7 +748,7 @@ static void cortex_r52_initfn(Object *obj)
cpu->reset_sctlr = 0x30c50838;
SET_IDREG(isar, ID_PFR0, 0x00000131);
SET_IDREG(isar, ID_PFR1, 0x10111001);
- cpu->isar.id_dfr0 = 0x03010006;
+ SET_IDREG(isar, ID_DFR0, 0x03010006);
cpu->id_afr0 = 0x00000000;
cpu->isar.id_mmfr0 = 0x00211040;
cpu->isar.id_mmfr1 = 0x40000000;
@@ -982,7 +980,7 @@ static void arm_max_initfn(Object *obj)
cpu->reset_sctlr = 0x00c50838;
SET_IDREG(isar, ID_PFR0, 0x00000131);
SET_IDREG(isar, ID_PFR1, 0x00011011);
- cpu->isar.id_dfr0 = 0x03010066;
+ SET_IDREG(isar, ID_DFR0, 0x03010066);
cpu->id_afr0 = 0x00000000;
cpu->isar.id_mmfr0 = 0x10101105;
cpu->isar.id_mmfr1 = 0x40000000;
diff --git a/target/arm/tcg/cpu64.c b/target/arm/tcg/cpu64.c
index c3f90e9d1357..aeaade488fe3 100644
--- a/target/arm/tcg/cpu64.c
+++ b/target/arm/tcg/cpu64.c
@@ -51,7 +51,7 @@ static void aarch64_a35_initfn(Object *obj)
cpu->ctr = 0x84448004;
SET_IDREG(isar, ID_PFR0, 0x00000131);
SET_IDREG(isar, ID_PFR1, 0x00011011);
- cpu->isar.id_dfr0 = 0x03010066;
+ SET_IDREG(isar, ID_DFR0, 0x03010066);
cpu->id_afr0 = 0;
cpu->isar.id_mmfr0 = 0x10201105;
cpu->isar.id_mmfr1 = 0x40000000;
@@ -228,7 +228,7 @@ static void aarch64_a55_initfn(Object *obj)
SET_IDREG(isar, ID_AA64PFR0, 0x0000000010112222ull);
SET_IDREG(isar, ID_AA64PFR1, 0x0000000000000010ull);
cpu->id_afr0 = 0x00000000;
- cpu->isar.id_dfr0 = 0x04010088;
+ SET_IDREG(isar, ID_DFR0, 0x04010088);
SET_IDREG(isar, ID_ISAR0, 0x02101110);
SET_IDREG(isar, ID_ISAR1, 0x13112111);
SET_IDREG(isar, ID_ISAR2, 0x21232042);
@@ -297,7 +297,7 @@ static void aarch64_a72_initfn(Object *obj)
cpu->reset_sctlr = 0x00c50838;
SET_IDREG(isar, ID_PFR0, 0x00000131);
SET_IDREG(isar, ID_PFR1, 0x00011011);
- cpu->isar.id_dfr0 = 0x03010066;
+ SET_IDREG(isar, ID_DFR0, 0x03010066);
cpu->id_afr0 = 0x00000000;
cpu->isar.id_mmfr0 = 0x10201105;
cpu->isar.id_mmfr1 = 0x40000000;
@@ -361,7 +361,7 @@ static void aarch64_a76_initfn(Object *obj)
SET_IDREG(isar, ID_AA64PFR0, 0x1100000010111112ull); /* GIC filled in later */
SET_IDREG(isar, ID_AA64PFR1, 0x0000000000000010ull);
cpu->id_afr0 = 0x00000000;
- cpu->isar.id_dfr0 = 0x04010088;
+ SET_IDREG(isar, ID_DFR0, 0x04010088);
SET_IDREG(isar, ID_ISAR0, 0x02101110);
SET_IDREG(isar, ID_ISAR1, 0x13112111);
SET_IDREG(isar, ID_ISAR2, 0x21232042);
@@ -609,7 +609,7 @@ static void aarch64_neoverse_n1_initfn(Object *obj)
SET_IDREG(isar, ID_AA64PFR0, 0x1100000010111112ull); /* GIC filled in later */
SET_IDREG(isar, ID_AA64PFR1, 0x0000000000000020ull);
cpu->id_afr0 = 0x00000000;
- cpu->isar.id_dfr0 = 0x04010088;
+ SET_IDREG(isar, ID_DFR0, 0x04010088);
SET_IDREG(isar, ID_ISAR0, 0x02101110);
SET_IDREG(isar, ID_ISAR1, 0x13112111);
SET_IDREG(isar, ID_ISAR2, 0x21232042);
@@ -688,7 +688,7 @@ static void aarch64_neoverse_v1_initfn(Object *obj)
SET_IDREG(isar, ID_AA64PFR0, 0x1101110120111112ull); /* GIC filled in later */
SET_IDREG(isar, ID_AA64PFR1, 0x0000000000000020ull);
cpu->id_afr0 = 0x00000000;
- cpu->isar.id_dfr0 = 0x15011099;
+ SET_IDREG(isar, ID_DFR0, 0x15011099);
SET_IDREG(isar, ID_ISAR0, 0x02101110);
SET_IDREG(isar, ID_ISAR1, 0x13112111);
SET_IDREG(isar, ID_ISAR2, 0x21232042);
@@ -904,7 +904,7 @@ static void aarch64_a710_initfn(Object *obj)
cpu->revidr = 0;
SET_IDREG(isar, ID_PFR0, 0x21110131);
SET_IDREG(isar, ID_PFR1, 0x00010000); /* GIC filled in later */
- cpu->isar.id_dfr0 = 0x16011099;
+ SET_IDREG(isar, ID_DFR0, 0x16011099);
cpu->id_afr0 = 0;
cpu->isar.id_mmfr0 = 0x10201105;
cpu->isar.id_mmfr1 = 0x40000000;
@@ -1006,7 +1006,7 @@ static void aarch64_neoverse_n2_initfn(Object *obj)
cpu->revidr = 0;
SET_IDREG(isar, ID_PFR0, 0x21110131);
SET_IDREG(isar, ID_PFR1, 0x00010000); /* GIC filled in later */
- cpu->isar.id_dfr0 = 0x16011099;
+ SET_IDREG(isar, ID_DFR0, 0x16011099);
cpu->id_afr0 = 0;
cpu->isar.id_mmfr0 = 0x10201105;
cpu->isar.id_mmfr1 = 0x40000000;
--
2.49.0
^ permalink raw reply related [flat|nested] 30+ messages in thread
* [PATCH v8 11/14] arm/cpu: Store id_mmfr0-5 into the idregs array
2025-06-17 15:39 [PATCH v8 00/14] arm: rework id register storage Cornelia Huck
` (9 preceding siblings ...)
2025-06-17 15:39 ` [PATCH v8 10/14] arm/cpu: Store id_dfr0/1 " Cornelia Huck
@ 2025-06-17 15:39 ` Cornelia Huck
2025-06-17 15:39 ` [PATCH v8 12/14] arm/cpu: Add sysreg generation scripts Cornelia Huck
` (5 subsequent siblings)
16 siblings, 0 replies; 30+ messages in thread
From: Cornelia Huck @ 2025-06-17 15:39 UTC (permalink / raw)
To: eric.auger.pro, eric.auger, qemu-devel, qemu-arm, kvmarm,
peter.maydell, richard.henderson, alex.bennee, maz, oliver.upton,
sebott, shameerali.kolothum.thodi, armbru, berrange, abologna,
jdenemar, agraf
Cc: shahuang, mark.rutland, philmd, pbonzini, Cornelia Huck
From: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Sebastian Ott <sebott@redhat.com>
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
---
hw/intc/armv7m_nvic.c | 8 ++--
target/arm/cpu-features.h | 18 ++++----
target/arm/cpu.h | 6 ---
target/arm/cpu64.c | 16 +++----
target/arm/helper.c | 12 ++---
target/arm/kvm.c | 18 +++-----
target/arm/tcg/cpu-v7m.c | 48 ++++++++++----------
target/arm/tcg/cpu32.c | 94 +++++++++++++++++++--------------------
target/arm/tcg/cpu64.c | 76 +++++++++++++++----------------
9 files changed, 140 insertions(+), 156 deletions(-)
diff --git a/hw/intc/armv7m_nvic.c b/hw/intc/armv7m_nvic.c
index 2566dd634318..6d85720f1b46 100644
--- a/hw/intc/armv7m_nvic.c
+++ b/hw/intc/armv7m_nvic.c
@@ -1284,22 +1284,22 @@ static uint32_t nvic_readl(NVICState *s, uint32_t offset, MemTxAttrs attrs)
if (!arm_feature(&cpu->env, ARM_FEATURE_M_MAIN)) {
goto bad_offset;
}
- return cpu->isar.id_mmfr0;
+ return GET_IDREG(isar, ID_MMFR0);
case 0xd54: /* MMFR1. */
if (!arm_feature(&cpu->env, ARM_FEATURE_M_MAIN)) {
goto bad_offset;
}
- return cpu->isar.id_mmfr1;
+ return GET_IDREG(isar, ID_MMFR1);
case 0xd58: /* MMFR2. */
if (!arm_feature(&cpu->env, ARM_FEATURE_M_MAIN)) {
goto bad_offset;
}
- return cpu->isar.id_mmfr2;
+ return GET_IDREG(isar, ID_MMFR2);
case 0xd5c: /* MMFR3. */
if (!arm_feature(&cpu->env, ARM_FEATURE_M_MAIN)) {
goto bad_offset;
}
- return cpu->isar.id_mmfr3;
+ return GET_IDREG(isar, ID_MMFR3);
case 0xd60: /* ISAR0. */
if (!arm_feature(&cpu->env, ARM_FEATURE_M_MAIN)) {
goto bad_offset;
diff --git a/target/arm/cpu-features.h b/target/arm/cpu-features.h
index 0292a7cd6ec2..5d8adfb73b65 100644
--- a/target/arm/cpu-features.h
+++ b/target/arm/cpu-features.h
@@ -284,17 +284,17 @@ static inline bool isar_feature_aa32_vminmaxnm(const ARMISARegisters *id)
static inline bool isar_feature_aa32_pxn(const ARMISARegisters *id)
{
- return FIELD_EX32(id->id_mmfr0, ID_MMFR0, VMSA) >= 4;
+ return FIELD_EX32_IDREG(id, ID_MMFR0, VMSA) >= 4;
}
static inline bool isar_feature_aa32_pan(const ARMISARegisters *id)
{
- return FIELD_EX32(id->id_mmfr3, ID_MMFR3, PAN) != 0;
+ return FIELD_EX32_IDREG(id, ID_MMFR3, PAN) != 0;
}
static inline bool isar_feature_aa32_ats1e1(const ARMISARegisters *id)
{
- return FIELD_EX32(id->id_mmfr3, ID_MMFR3, PAN) >= 2;
+ return FIELD_EX32_IDREG(id, ID_MMFR3, PAN) >= 2;
}
static inline bool isar_feature_aa32_pmuv3p1(const ARMISARegisters *id)
@@ -320,32 +320,32 @@ static inline bool isar_feature_aa32_pmuv3p5(const ARMISARegisters *id)
static inline bool isar_feature_aa32_hpd(const ARMISARegisters *id)
{
- return FIELD_EX32(id->id_mmfr4, ID_MMFR4, HPDS) != 0;
+ return FIELD_EX32_IDREG(id, ID_MMFR4, HPDS) != 0;
}
static inline bool isar_feature_aa32_ac2(const ARMISARegisters *id)
{
- return FIELD_EX32(id->id_mmfr4, ID_MMFR4, AC2) != 0;
+ return FIELD_EX32_IDREG(id, ID_MMFR4, AC2) != 0;
}
static inline bool isar_feature_aa32_ccidx(const ARMISARegisters *id)
{
- return FIELD_EX32(id->id_mmfr4, ID_MMFR4, CCIDX) != 0;
+ return FIELD_EX32_IDREG(id, ID_MMFR4, CCIDX) != 0;
}
static inline bool isar_feature_aa32_tts2uxn(const ARMISARegisters *id)
{
- return FIELD_EX32(id->id_mmfr4, ID_MMFR4, XNX) != 0;
+ return FIELD_EX32_IDREG(id, ID_MMFR4, XNX) != 0;
}
static inline bool isar_feature_aa32_half_evt(const ARMISARegisters *id)
{
- return FIELD_EX32(id->id_mmfr4, ID_MMFR4, EVT) >= 1;
+ return FIELD_EX32_IDREG(id, ID_MMFR4, EVT) >= 1;
}
static inline bool isar_feature_aa32_evt(const ARMISARegisters *id)
{
- return FIELD_EX32(id->id_mmfr4, ID_MMFR4, EVT) >= 2;
+ return FIELD_EX32_IDREG(id, ID_MMFR4, EVT) >= 2;
}
static inline bool isar_feature_aa32_dit(const ARMISARegisters *id)
diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index c799105eeb21..8744922330df 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -1050,12 +1050,6 @@ struct ArchCPU {
* field by reading the value from the KVM vCPU.
*/
struct ARMISARegisters {
- uint32_t id_mmfr0;
- uint32_t id_mmfr1;
- uint32_t id_mmfr2;
- uint32_t id_mmfr3;
- uint32_t id_mmfr4;
- uint32_t id_mmfr5;
uint32_t mvfr0;
uint32_t mvfr1;
uint32_t mvfr2;
diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c
index 47c2eed3c991..1f3406708bd7 100644
--- a/target/arm/cpu64.c
+++ b/target/arm/cpu64.c
@@ -656,10 +656,10 @@ static void aarch64_a57_initfn(Object *obj)
SET_IDREG(isar, ID_PFR1, 0x00011011);
SET_IDREG(isar, ID_DFR0, 0x03010066);
cpu->id_afr0 = 0x00000000;
- cpu->isar.id_mmfr0 = 0x10101105;
- cpu->isar.id_mmfr1 = 0x40000000;
- cpu->isar.id_mmfr2 = 0x01260000;
- cpu->isar.id_mmfr3 = 0x02102211;
+ SET_IDREG(isar, ID_MMFR0, 0x10101105);
+ SET_IDREG(isar, ID_MMFR1, 0x40000000);
+ SET_IDREG(isar, ID_MMFR2, 0x01260000);
+ SET_IDREG(isar, ID_MMFR3, 0x02102211);
SET_IDREG(isar, ID_ISAR0, 0x02101110);
SET_IDREG(isar, ID_ISAR1, 0x13112111);
SET_IDREG(isar, ID_ISAR2, 0x21232042);
@@ -718,10 +718,10 @@ static void aarch64_a53_initfn(Object *obj)
SET_IDREG(isar, ID_PFR1, 0x00011011);
SET_IDREG(isar, ID_DFR0, 0x03010066);
cpu->id_afr0 = 0x00000000;
- cpu->isar.id_mmfr0 = 0x10101105;
- cpu->isar.id_mmfr1 = 0x40000000;
- cpu->isar.id_mmfr2 = 0x01260000;
- cpu->isar.id_mmfr3 = 0x02102211;
+ SET_IDREG(isar, ID_MMFR0, 0x10101105);
+ SET_IDREG(isar, ID_MMFR1, 0x40000000);
+ SET_IDREG(isar, ID_MMFR2, 0x01260000);
+ SET_IDREG(isar, ID_MMFR3, 0x02102211);
SET_IDREG(isar, ID_ISAR0, 0x02101110);
SET_IDREG(isar, ID_ISAR1, 0x13112111);
SET_IDREG(isar, ID_ISAR2, 0x21232042);
diff --git a/target/arm/helper.c b/target/arm/helper.c
index c4022dd69a87..14647ff3888d 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -7810,22 +7810,22 @@ void register_cp_regs_for_features(ARMCPU *cpu)
.opc0 = 3, .opc1 = 0, .crn = 0, .crm = 1, .opc2 = 4,
.access = PL1_R, .type = ARM_CP_CONST,
.accessfn = access_aa32_tid3,
- .resetvalue = cpu->isar.id_mmfr0 },
+ .resetvalue = GET_IDREG(isar, ID_MMFR0)},
{ .name = "ID_MMFR1", .state = ARM_CP_STATE_BOTH,
.opc0 = 3, .opc1 = 0, .crn = 0, .crm = 1, .opc2 = 5,
.access = PL1_R, .type = ARM_CP_CONST,
.accessfn = access_aa32_tid3,
- .resetvalue = cpu->isar.id_mmfr1 },
+ .resetvalue = GET_IDREG(isar, ID_MMFR1)},
{ .name = "ID_MMFR2", .state = ARM_CP_STATE_BOTH,
.opc0 = 3, .opc1 = 0, .crn = 0, .crm = 1, .opc2 = 6,
.access = PL1_R, .type = ARM_CP_CONST,
.accessfn = access_aa32_tid3,
- .resetvalue = cpu->isar.id_mmfr2 },
+ .resetvalue = GET_IDREG(isar, ID_MMFR2)},
{ .name = "ID_MMFR3", .state = ARM_CP_STATE_BOTH,
.opc0 = 3, .opc1 = 0, .crn = 0, .crm = 1, .opc2 = 7,
.access = PL1_R, .type = ARM_CP_CONST,
.accessfn = access_aa32_tid3,
- .resetvalue = cpu->isar.id_mmfr3 },
+ .resetvalue = GET_IDREG(isar, ID_MMFR3)},
{ .name = "ID_ISAR0", .state = ARM_CP_STATE_BOTH,
.opc0 = 3, .opc1 = 0, .crn = 0, .crm = 2, .opc2 = 0,
.access = PL1_R, .type = ARM_CP_CONST,
@@ -7860,7 +7860,7 @@ void register_cp_regs_for_features(ARMCPU *cpu)
.opc0 = 3, .opc1 = 0, .crn = 0, .crm = 2, .opc2 = 6,
.access = PL1_R, .type = ARM_CP_CONST,
.accessfn = access_aa32_tid3,
- .resetvalue = cpu->isar.id_mmfr4 },
+ .resetvalue = GET_IDREG(isar, ID_MMFR4)},
{ .name = "ID_ISAR6", .state = ARM_CP_STATE_BOTH,
.opc0 = 3, .opc1 = 0, .crn = 0, .crm = 2, .opc2 = 7,
.access = PL1_R, .type = ARM_CP_CONST,
@@ -8140,7 +8140,7 @@ void register_cp_regs_for_features(ARMCPU *cpu)
.opc0 = 3, .opc1 = 0, .crn = 0, .crm = 3, .opc2 = 6,
.access = PL1_R, .type = ARM_CP_CONST,
.accessfn = access_aa64_tid3,
- .resetvalue = cpu->isar.id_mmfr5 },
+ .resetvalue = GET_IDREG(isar, ID_MMFR5)},
{ .name = "RES_0_C0_C3_7", .state = ARM_CP_STATE_BOTH,
.opc0 = 3, .opc1 = 0, .crn = 0, .crm = 3, .opc2 = 7,
.access = PL1_R, .type = ARM_CP_CONST,
diff --git a/target/arm/kvm.c b/target/arm/kvm.c
index 2a6a5329b439..3df046b2b911 100644
--- a/target/arm/kvm.c
+++ b/target/arm/kvm.c
@@ -335,14 +335,10 @@ static bool kvm_arm_get_host_cpu_features(ARMHostCPUFeatures *ahcf)
err |= get_host_cpu_reg(fd, ahcf, ID_PFR0_EL1_IDX);
err |= get_host_cpu_reg(fd, ahcf, ID_PFR1_EL1_IDX);
err |= get_host_cpu_reg(fd, ahcf, ID_DFR0_EL1_IDX);
- err |= read_sys_reg32(fdarray[2], &ahcf->isar.id_mmfr0,
- ARM64_SYS_REG(3, 0, 0, 1, 4));
- err |= read_sys_reg32(fdarray[2], &ahcf->isar.id_mmfr1,
- ARM64_SYS_REG(3, 0, 0, 1, 5));
- err |= read_sys_reg32(fdarray[2], &ahcf->isar.id_mmfr2,
- ARM64_SYS_REG(3, 0, 0, 1, 6));
- err |= read_sys_reg32(fdarray[2], &ahcf->isar.id_mmfr3,
- ARM64_SYS_REG(3, 0, 0, 1, 7));
+ err |= get_host_cpu_reg(fd, ahcf, ID_MMFR0_EL1_IDX);
+ err |= get_host_cpu_reg(fd, ahcf, ID_MMFR1_EL1_IDX);
+ err |= get_host_cpu_reg(fd, ahcf, ID_MMFR2_EL1_IDX);
+ err |= get_host_cpu_reg(fd, ahcf, ID_MMFR3_EL1_IDX);
err |= get_host_cpu_reg(fd, ahcf, ID_ISAR0_EL1_IDX);
err |= get_host_cpu_reg(fd, ahcf, ID_ISAR1_EL1_IDX);
err |= get_host_cpu_reg(fd, ahcf, ID_ISAR2_EL1_IDX);
@@ -350,8 +346,7 @@ static bool kvm_arm_get_host_cpu_features(ARMHostCPUFeatures *ahcf)
err |= get_host_cpu_reg(fd, ahcf, ID_ISAR4_EL1_IDX);
err |= get_host_cpu_reg(fd, ahcf, ID_ISAR5_EL1_IDX);
err |= get_host_cpu_reg(fd, ahcf, ID_ISAR6_EL1_IDX);
- err |= read_sys_reg32(fdarray[2], &ahcf->isar.id_mmfr4,
- ARM64_SYS_REG(3, 0, 0, 2, 6));
+ err |= get_host_cpu_reg(fd, ahcf, ID_MMFR4_EL1_IDX);
err |= read_sys_reg32(fdarray[2], &ahcf->isar.mvfr0,
ARM64_SYS_REG(3, 0, 0, 3, 0));
@@ -361,8 +356,7 @@ static bool kvm_arm_get_host_cpu_features(ARMHostCPUFeatures *ahcf)
ARM64_SYS_REG(3, 0, 0, 3, 2));
err |= get_host_cpu_reg(fd, ahcf, ID_PFR2_EL1_IDX);
err |= get_host_cpu_reg(fd, ahcf, ID_DFR1_EL1_IDX);
- err |= read_sys_reg32(fdarray[2], &ahcf->isar.id_mmfr5,
- ARM64_SYS_REG(3, 0, 0, 3, 6));
+ err |= get_host_cpu_reg(fd, ahcf, ID_MMFR5_EL1_IDX);
/*
* DBGDIDR is a bit complicated because the kernel doesn't
diff --git a/target/arm/tcg/cpu-v7m.c b/target/arm/tcg/cpu-v7m.c
index 9697c362c19b..eddd7117d5bb 100644
--- a/target/arm/tcg/cpu-v7m.c
+++ b/target/arm/tcg/cpu-v7m.c
@@ -63,10 +63,10 @@ static void cortex_m0_initfn(Object *obj)
SET_IDREG(isar, ID_PFR1, 0x00000200);
SET_IDREG(isar, ID_DFR0, 0x00100000);
cpu->id_afr0 = 0x00000000;
- cpu->isar.id_mmfr0 = 0x00000030;
- cpu->isar.id_mmfr1 = 0x00000000;
- cpu->isar.id_mmfr2 = 0x00000000;
- cpu->isar.id_mmfr3 = 0x00000000;
+ SET_IDREG(isar, ID_MMFR0, 0x00000030);
+ SET_IDREG(isar, ID_MMFR1, 0x00000000);
+ SET_IDREG(isar, ID_MMFR2, 0x00000000);
+ SET_IDREG(isar, ID_MMFR3, 0x00000000);
SET_IDREG(isar, ID_ISAR0, 0x01141110);
SET_IDREG(isar, ID_ISAR1, 0x02111000);
SET_IDREG(isar, ID_ISAR2, 0x21112231);
@@ -89,10 +89,10 @@ static void cortex_m3_initfn(Object *obj)
SET_IDREG(isar, ID_PFR1, 0x00000200);
SET_IDREG(isar, ID_DFR0, 0x00100000);
cpu->id_afr0 = 0x00000000;
- cpu->isar.id_mmfr0 = 0x00000030;
- cpu->isar.id_mmfr1 = 0x00000000;
- cpu->isar.id_mmfr2 = 0x00000000;
- cpu->isar.id_mmfr3 = 0x00000000;
+ SET_IDREG(isar, ID_MMFR0, 0x00000030);
+ SET_IDREG(isar, ID_MMFR1, 0x00000000);
+ SET_IDREG(isar, ID_MMFR2, 0x00000000);
+ SET_IDREG(isar, ID_MMFR3, 0x00000000);
SET_IDREG(isar, ID_ISAR0, 0x01141110);
SET_IDREG(isar, ID_ISAR1, 0x02111000);
SET_IDREG(isar, ID_ISAR2, 0x21112231);
@@ -120,10 +120,10 @@ static void cortex_m4_initfn(Object *obj)
SET_IDREG(isar, ID_PFR1, 0x00000200);
SET_IDREG(isar, ID_DFR0, 0x00100000);
cpu->id_afr0 = 0x00000000;
- cpu->isar.id_mmfr0 = 0x00000030;
- cpu->isar.id_mmfr1 = 0x00000000;
- cpu->isar.id_mmfr2 = 0x00000000;
- cpu->isar.id_mmfr3 = 0x00000000;
+ SET_IDREG(isar, ID_MMFR0, 0x00000030);
+ SET_IDREG(isar, ID_MMFR1, 0x00000000);
+ SET_IDREG(isar, ID_MMFR2, 0x00000000);
+ SET_IDREG(isar, ID_MMFR3, 0x00000000);
SET_IDREG(isar, ID_ISAR0, 0x01141110);
SET_IDREG(isar, ID_ISAR1, 0x02111000);
SET_IDREG(isar, ID_ISAR2, 0x21112231);
@@ -151,10 +151,10 @@ static void cortex_m7_initfn(Object *obj)
SET_IDREG(isar, ID_PFR1, 0x00000200);
SET_IDREG(isar, ID_DFR0, 0x00100000);
cpu->id_afr0 = 0x00000000;
- cpu->isar.id_mmfr0 = 0x00100030;
- cpu->isar.id_mmfr1 = 0x00000000;
- cpu->isar.id_mmfr2 = 0x01000000;
- cpu->isar.id_mmfr3 = 0x00000000;
+ SET_IDREG(isar, ID_MMFR0, 0x00100030);
+ SET_IDREG(isar, ID_MMFR1, 0x00000000);
+ SET_IDREG(isar, ID_MMFR2, 0x01000000);
+ SET_IDREG(isar, ID_MMFR3, 0x00000000);
SET_IDREG(isar, ID_ISAR0, 0x01101110);
SET_IDREG(isar, ID_ISAR1, 0x02112000);
SET_IDREG(isar, ID_ISAR2, 0x20232231);
@@ -184,10 +184,10 @@ static void cortex_m33_initfn(Object *obj)
SET_IDREG(isar, ID_PFR1, 0x00000210);
SET_IDREG(isar, ID_DFR0, 0x00200000);
cpu->id_afr0 = 0x00000000;
- cpu->isar.id_mmfr0 = 0x00101F40;
- cpu->isar.id_mmfr1 = 0x00000000;
- cpu->isar.id_mmfr2 = 0x01000000;
- cpu->isar.id_mmfr3 = 0x00000000;
+ SET_IDREG(isar, ID_MMFR0, 0x00101F40);
+ SET_IDREG(isar, ID_MMFR1, 0x00000000);
+ SET_IDREG(isar, ID_MMFR2, 0x01000000);
+ SET_IDREG(isar, ID_MMFR3, 0x00000000);
SET_IDREG(isar, ID_ISAR0, 0x01101110);
SET_IDREG(isar, ID_ISAR1, 0x02212000);
SET_IDREG(isar, ID_ISAR2, 0x20232232);
@@ -222,10 +222,10 @@ static void cortex_m55_initfn(Object *obj)
SET_IDREG(isar, ID_PFR1, 0x00000230);
SET_IDREG(isar, ID_DFR0, 0x10200000);
cpu->id_afr0 = 0x00000000;
- cpu->isar.id_mmfr0 = 0x00111040;
- cpu->isar.id_mmfr1 = 0x00000000;
- cpu->isar.id_mmfr2 = 0x01000000;
- cpu->isar.id_mmfr3 = 0x00000011;
+ SET_IDREG(isar, ID_MMFR0, 0x00111040);
+ SET_IDREG(isar, ID_MMFR1, 0x00000000);
+ SET_IDREG(isar, ID_MMFR2, 0x01000000);
+ SET_IDREG(isar, ID_MMFR3, 0x00000011);
SET_IDREG(isar, ID_ISAR0, 0x01103110);
SET_IDREG(isar, ID_ISAR1, 0x02212000);
SET_IDREG(isar, ID_ISAR2, 0x20232232);
diff --git a/target/arm/tcg/cpu32.c b/target/arm/tcg/cpu32.c
index bec69fe52e47..942b636aa5bd 100644
--- a/target/arm/tcg/cpu32.c
+++ b/target/arm/tcg/cpu32.c
@@ -55,21 +55,17 @@ void aa32_max_features(ARMCPU *cpu)
t = FIELD_DP32(t, MVFR2, FPMISC, 4); /* FP MaxNum */
cpu->isar.mvfr2 = t;
- t = cpu->isar.id_mmfr3;
- t = FIELD_DP32(t, ID_MMFR3, PAN, 2); /* FEAT_PAN2 */
- cpu->isar.id_mmfr3 = t;
+ FIELD_DP32_IDREG(isar, ID_MMFR3, PAN, 2); /* FEAT_PAN2 */
- t = cpu->isar.id_mmfr4;
+ t = GET_IDREG(isar, ID_MMFR4);
t = FIELD_DP32(t, ID_MMFR4, HPDS, 2); /* FEAT_HPDS2 */
t = FIELD_DP32(t, ID_MMFR4, AC2, 1); /* ACTLR2, HACTLR2 */
t = FIELD_DP32(t, ID_MMFR4, CNP, 1); /* FEAT_TTCNP */
t = FIELD_DP32(t, ID_MMFR4, XNX, 1); /* FEAT_XNX */
t = FIELD_DP32(t, ID_MMFR4, EVT, 2); /* FEAT_EVT */
- cpu->isar.id_mmfr4 = t;
+ SET_IDREG(isar, ID_MMFR4, t);
- t = cpu->isar.id_mmfr5;
- t = FIELD_DP32(t, ID_MMFR5, ETS, 2); /* FEAT_ETS2 */
- cpu->isar.id_mmfr5 = t;
+ FIELD_DP32_IDREG(isar, ID_MMFR5, ETS, 2); /* FEAT_ETS2 */
t = GET_IDREG(isar, ID_PFR0);
t = FIELD_DP32(t, ID_PFR0, CSV2, 2); /* FEAT_CSV2 */
@@ -230,9 +226,9 @@ static void arm1136_r2_initfn(Object *obj)
SET_IDREG(isar, ID_PFR1, 0x1);
SET_IDREG(isar, ID_DFR0, 0x2);
cpu->id_afr0 = 0x3;
- cpu->isar.id_mmfr0 = 0x01130003;
- cpu->isar.id_mmfr1 = 0x10030302;
- cpu->isar.id_mmfr2 = 0x01222110;
+ SET_IDREG(isar, ID_MMFR0, 0x01130003);
+ SET_IDREG(isar, ID_MMFR1, 0x10030302);
+ SET_IDREG(isar, ID_MMFR2, 0x01222110);
SET_IDREG(isar, ID_ISAR0, 0x00140011);
SET_IDREG(isar, ID_ISAR1, 0x12002111);
SET_IDREG(isar, ID_ISAR2, 0x11231111);
@@ -262,9 +258,9 @@ static void arm1136_initfn(Object *obj)
SET_IDREG(isar, ID_PFR1, 0x1);
SET_IDREG(isar, ID_DFR0, 0x2);
cpu->id_afr0 = 0x3;
- cpu->isar.id_mmfr0 = 0x01130003;
- cpu->isar.id_mmfr1 = 0x10030302;
- cpu->isar.id_mmfr2 = 0x01222110;
+ SET_IDREG(isar, ID_MMFR0, 0x01130003);
+ SET_IDREG(isar, ID_MMFR1, 0x10030302);
+ SET_IDREG(isar, ID_MMFR2, 0x01222110);
SET_IDREG(isar, ID_ISAR0, 0x00140011);
SET_IDREG(isar, ID_ISAR1, 0x12002111);
SET_IDREG(isar, ID_ISAR2, 0x11231111);
@@ -295,9 +291,9 @@ static void arm1176_initfn(Object *obj)
SET_IDREG(isar, ID_PFR1, 0x11);
SET_IDREG(isar, ID_DFR0, 0x33);
cpu->id_afr0 = 0;
- cpu->isar.id_mmfr0 = 0x01130003;
- cpu->isar.id_mmfr1 = 0x10030302;
- cpu->isar.id_mmfr2 = 0x01222100;
+ SET_IDREG(isar, ID_MMFR0, 0x01130003);
+ SET_IDREG(isar, ID_MMFR1, 0x10030302);
+ SET_IDREG(isar, ID_MMFR2, 0x01222100);
SET_IDREG(isar, ID_ISAR0, 0x0140011);
SET_IDREG(isar, ID_ISAR1, 0x12002111);
SET_IDREG(isar, ID_ISAR2, 0x11231121);
@@ -325,9 +321,9 @@ static void arm11mpcore_initfn(Object *obj)
SET_IDREG(isar, ID_PFR1, 0x1);
SET_IDREG(isar, ID_DFR0, 0);
cpu->id_afr0 = 0x2;
- cpu->isar.id_mmfr0 = 0x01100103;
- cpu->isar.id_mmfr1 = 0x10020302;
- cpu->isar.id_mmfr2 = 0x01222000;
+ SET_IDREG(isar, ID_MMFR0, 0x01100103);
+ SET_IDREG(isar, ID_MMFR1, 0x10020302);
+ SET_IDREG(isar, ID_MMFR2, 0x01222000);
SET_IDREG(isar, ID_ISAR0, 0x00100011);
SET_IDREG(isar, ID_ISAR1, 0x12002111);
SET_IDREG(isar, ID_ISAR2, 0x11221011);
@@ -365,10 +361,10 @@ static void cortex_a8_initfn(Object *obj)
SET_IDREG(isar, ID_PFR1, 0x11);
SET_IDREG(isar, ID_DFR0, 0x400);
cpu->id_afr0 = 0;
- cpu->isar.id_mmfr0 = 0x31100003;
- cpu->isar.id_mmfr1 = 0x20000000;
- cpu->isar.id_mmfr2 = 0x01202000;
- cpu->isar.id_mmfr3 = 0x11;
+ SET_IDREG(isar, ID_MMFR0, 0x31100003);
+ SET_IDREG(isar, ID_MMFR1, 0x20000000);
+ SET_IDREG(isar, ID_MMFR2, 0x01202000);
+ SET_IDREG(isar, ID_MMFR3, 0x11);
SET_IDREG(isar, ID_ISAR0, 0x00101111);
SET_IDREG(isar, ID_ISAR1, 0x12112111);
SET_IDREG(isar, ID_ISAR2, 0x21232031);
@@ -441,10 +437,10 @@ static void cortex_a9_initfn(Object *obj)
SET_IDREG(isar, ID_PFR1, 0x11);
SET_IDREG(isar, ID_DFR0, 0x000);
cpu->id_afr0 = 0;
- cpu->isar.id_mmfr0 = 0x00100103;
- cpu->isar.id_mmfr1 = 0x20000000;
- cpu->isar.id_mmfr2 = 0x01230000;
- cpu->isar.id_mmfr3 = 0x00002111;
+ SET_IDREG(isar, ID_MMFR0, 0x00100103);
+ SET_IDREG(isar, ID_MMFR1, 0x20000000);
+ SET_IDREG(isar, ID_MMFR2, 0x01230000);
+ SET_IDREG(isar, ID_MMFR3, 0x00002111);
SET_IDREG(isar, ID_ISAR0, 0x00101111);
SET_IDREG(isar, ID_ISAR1, 0x13112111);
SET_IDREG(isar, ID_ISAR2, 0x21232041);
@@ -507,10 +503,10 @@ static void cortex_a7_initfn(Object *obj)
SET_IDREG(isar, ID_PFR1, 0x00011011);
SET_IDREG(isar, ID_DFR0, 0x02010555);
cpu->id_afr0 = 0x00000000;
- cpu->isar.id_mmfr0 = 0x10101105;
- cpu->isar.id_mmfr1 = 0x40000000;
- cpu->isar.id_mmfr2 = 0x01240000;
- cpu->isar.id_mmfr3 = 0x02102211;
+ SET_IDREG(isar, ID_MMFR0, 0x10101105);
+ SET_IDREG(isar, ID_MMFR1, 0x40000000);
+ SET_IDREG(isar, ID_MMFR2, 0x01240000);
+ SET_IDREG(isar, ID_MMFR3, 0x02102211);
/*
* a7_mpcore_r0p5_trm, page 4-4 gives 0x01101110; but
* table 4-41 gives 0x02101110, which includes the arm div insns.
@@ -559,10 +555,10 @@ static void cortex_a15_initfn(Object *obj)
SET_IDREG(isar, ID_PFR1, 0x00011011);
SET_IDREG(isar, ID_DFR0, 0x02010555);
cpu->id_afr0 = 0x00000000;
- cpu->isar.id_mmfr0 = 0x10201105;
- cpu->isar.id_mmfr1 = 0x20000000;
- cpu->isar.id_mmfr2 = 0x01240000;
- cpu->isar.id_mmfr3 = 0x02102211;
+ SET_IDREG(isar, ID_MMFR0, 0x10201105);
+ SET_IDREG(isar, ID_MMFR1, 0x20000000);
+ SET_IDREG(isar, ID_MMFR2, 0x01240000);
+ SET_IDREG(isar, ID_MMFR3, 0x02102211);
SET_IDREG(isar, ID_ISAR0, 0x02101110);
SET_IDREG(isar, ID_ISAR1, 0x13112111);
SET_IDREG(isar, ID_ISAR2, 0x21232041);
@@ -603,10 +599,10 @@ static void cortex_r5_initfn(Object *obj)
SET_IDREG(isar, ID_PFR1, 0x001);
SET_IDREG(isar, ID_DFR0, 0x010400);
cpu->id_afr0 = 0x0;
- cpu->isar.id_mmfr0 = 0x0210030;
- cpu->isar.id_mmfr1 = 0x00000000;
- cpu->isar.id_mmfr2 = 0x01200000;
- cpu->isar.id_mmfr3 = 0x0211;
+ SET_IDREG(isar, ID_MMFR0, 0x0210030);
+ SET_IDREG(isar, ID_MMFR1, 0x00000000);
+ SET_IDREG(isar, ID_MMFR2, 0x01200000);
+ SET_IDREG(isar, ID_MMFR3, 0x0211);
SET_IDREG(isar, ID_ISAR0, 0x02101111);
SET_IDREG(isar, ID_ISAR1, 0x13112111);
SET_IDREG(isar, ID_ISAR2, 0x21232141);
@@ -750,11 +746,11 @@ static void cortex_r52_initfn(Object *obj)
SET_IDREG(isar, ID_PFR1, 0x10111001);
SET_IDREG(isar, ID_DFR0, 0x03010006);
cpu->id_afr0 = 0x00000000;
- cpu->isar.id_mmfr0 = 0x00211040;
- cpu->isar.id_mmfr1 = 0x40000000;
- cpu->isar.id_mmfr2 = 0x01200000;
- cpu->isar.id_mmfr3 = 0xf0102211;
- cpu->isar.id_mmfr4 = 0x00000010;
+ SET_IDREG(isar, ID_MMFR0, 0x00211040);
+ SET_IDREG(isar, ID_MMFR1, 0x40000000);
+ SET_IDREG(isar, ID_MMFR2, 0x01200000);
+ SET_IDREG(isar, ID_MMFR3, 0xf0102211);
+ SET_IDREG(isar, ID_MMFR4, 0x00000010);
SET_IDREG(isar, ID_ISAR0, 0x02101110);
SET_IDREG(isar, ID_ISAR1, 0x13112111);
SET_IDREG(isar, ID_ISAR2, 0x21232142);
@@ -982,10 +978,10 @@ static void arm_max_initfn(Object *obj)
SET_IDREG(isar, ID_PFR1, 0x00011011);
SET_IDREG(isar, ID_DFR0, 0x03010066);
cpu->id_afr0 = 0x00000000;
- cpu->isar.id_mmfr0 = 0x10101105;
- cpu->isar.id_mmfr1 = 0x40000000;
- cpu->isar.id_mmfr2 = 0x01260000;
- cpu->isar.id_mmfr3 = 0x02102211;
+ SET_IDREG(isar, ID_MMFR0, 0x10101105);
+ SET_IDREG(isar, ID_MMFR1, 0x40000000);
+ SET_IDREG(isar, ID_MMFR2, 0x01260000);
+ SET_IDREG(isar, ID_MMFR3, 0x02102211);
SET_IDREG(isar, ID_ISAR0, 0x02101110);
SET_IDREG(isar, ID_ISAR1, 0x13112111);
SET_IDREG(isar, ID_ISAR2, 0x21232042);
diff --git a/target/arm/tcg/cpu64.c b/target/arm/tcg/cpu64.c
index aeaade488fe3..937f29e253d7 100644
--- a/target/arm/tcg/cpu64.c
+++ b/target/arm/tcg/cpu64.c
@@ -53,10 +53,10 @@ static void aarch64_a35_initfn(Object *obj)
SET_IDREG(isar, ID_PFR1, 0x00011011);
SET_IDREG(isar, ID_DFR0, 0x03010066);
cpu->id_afr0 = 0;
- cpu->isar.id_mmfr0 = 0x10201105;
- cpu->isar.id_mmfr1 = 0x40000000;
- cpu->isar.id_mmfr2 = 0x01260000;
- cpu->isar.id_mmfr3 = 0x02102211;
+ SET_IDREG(isar, ID_MMFR0, 0x10201105);
+ SET_IDREG(isar, ID_MMFR1, 0x40000000);
+ SET_IDREG(isar, ID_MMFR2, 0x01260000);
+ SET_IDREG(isar, ID_MMFR3, 0x02102211);
SET_IDREG(isar, ID_ISAR0, 0x02101110);
SET_IDREG(isar, ID_ISAR1, 0x13112111);
SET_IDREG(isar, ID_ISAR2, 0x21232042);
@@ -236,11 +236,11 @@ static void aarch64_a55_initfn(Object *obj)
SET_IDREG(isar, ID_ISAR4, 0x00011142);
SET_IDREG(isar, ID_ISAR5, 0x01011121);
SET_IDREG(isar, ID_ISAR6, 0x00000010);
- cpu->isar.id_mmfr0 = 0x10201105;
- cpu->isar.id_mmfr1 = 0x40000000;
- cpu->isar.id_mmfr2 = 0x01260000;
- cpu->isar.id_mmfr3 = 0x02122211;
- cpu->isar.id_mmfr4 = 0x00021110;
+ SET_IDREG(isar, ID_MMFR0, 0x10201105);
+ SET_IDREG(isar, ID_MMFR1, 0x40000000);
+ SET_IDREG(isar, ID_MMFR2, 0x01260000);
+ SET_IDREG(isar, ID_MMFR3, 0x02122211);
+ SET_IDREG(isar, ID_MMFR4, 0x00021110);
SET_IDREG(isar, ID_PFR0, 0x10010131);
SET_IDREG(isar, ID_PFR1, 0x00011011);
SET_IDREG(isar, ID_PFR2, 0x00000011);
@@ -299,10 +299,10 @@ static void aarch64_a72_initfn(Object *obj)
SET_IDREG(isar, ID_PFR1, 0x00011011);
SET_IDREG(isar, ID_DFR0, 0x03010066);
cpu->id_afr0 = 0x00000000;
- cpu->isar.id_mmfr0 = 0x10201105;
- cpu->isar.id_mmfr1 = 0x40000000;
- cpu->isar.id_mmfr2 = 0x01260000;
- cpu->isar.id_mmfr3 = 0x02102211;
+ SET_IDREG(isar, ID_MMFR0, 0x10201105);
+ SET_IDREG(isar, ID_MMFR1, 0x40000000);
+ SET_IDREG(isar, ID_MMFR2, 0x01260000);
+ SET_IDREG(isar, ID_MMFR3, 0x02102211);
SET_IDREG(isar, ID_ISAR0, 0x02101110);
SET_IDREG(isar, ID_ISAR1, 0x13112111);
SET_IDREG(isar, ID_ISAR2, 0x21232042);
@@ -369,11 +369,11 @@ static void aarch64_a76_initfn(Object *obj)
SET_IDREG(isar, ID_ISAR4, 0x00010142);
SET_IDREG(isar, ID_ISAR5, 0x01011121);
SET_IDREG(isar, ID_ISAR6, 0x00000010);
- cpu->isar.id_mmfr0 = 0x10201105;
- cpu->isar.id_mmfr1 = 0x40000000;
- cpu->isar.id_mmfr2 = 0x01260000;
- cpu->isar.id_mmfr3 = 0x02122211;
- cpu->isar.id_mmfr4 = 0x00021110;
+ SET_IDREG(isar, ID_MMFR0, 0x10201105);
+ SET_IDREG(isar, ID_MMFR1, 0x40000000);
+ SET_IDREG(isar, ID_MMFR2, 0x01260000);
+ SET_IDREG(isar, ID_MMFR3, 0x02122211);
+ SET_IDREG(isar, ID_MMFR4, 0x00021110);
SET_IDREG(isar, ID_PFR0, 0x10010131);
SET_IDREG(isar, ID_PFR1, 0x00010000); /* GIC filled in later */
SET_IDREG(isar, ID_PFR2, 0x00000011);
@@ -617,11 +617,11 @@ static void aarch64_neoverse_n1_initfn(Object *obj)
SET_IDREG(isar, ID_ISAR4, 0x00010142);
SET_IDREG(isar, ID_ISAR5, 0x01011121);
SET_IDREG(isar, ID_ISAR6, 0x00000010);
- cpu->isar.id_mmfr0 = 0x10201105;
- cpu->isar.id_mmfr1 = 0x40000000;
- cpu->isar.id_mmfr2 = 0x01260000;
- cpu->isar.id_mmfr3 = 0x02122211;
- cpu->isar.id_mmfr4 = 0x00021110;
+ SET_IDREG(isar, ID_MMFR0, 0x10201105);
+ SET_IDREG(isar, ID_MMFR1, 0x40000000);
+ SET_IDREG(isar, ID_MMFR2, 0x01260000);
+ SET_IDREG(isar, ID_MMFR3, 0x02122211);
+ SET_IDREG(isar, ID_MMFR4, 0x00021110);
SET_IDREG(isar, ID_PFR0, 0x10010131);
SET_IDREG(isar, ID_PFR1, 0x00010000); /* GIC filled in later */
SET_IDREG(isar, ID_PFR2, 0x00000011);
@@ -696,11 +696,11 @@ static void aarch64_neoverse_v1_initfn(Object *obj)
SET_IDREG(isar, ID_ISAR4, 0x00010142);
SET_IDREG(isar, ID_ISAR5, 0x11011121);
SET_IDREG(isar, ID_ISAR6, 0x01100111);
- cpu->isar.id_mmfr0 = 0x10201105;
- cpu->isar.id_mmfr1 = 0x40000000;
- cpu->isar.id_mmfr2 = 0x01260000;
- cpu->isar.id_mmfr3 = 0x02122211;
- cpu->isar.id_mmfr4 = 0x01021110;
+ SET_IDREG(isar, ID_MMFR0, 0x10201105);
+ SET_IDREG(isar, ID_MMFR1, 0x40000000);
+ SET_IDREG(isar, ID_MMFR2, 0x01260000);
+ SET_IDREG(isar, ID_MMFR3, 0x02122211);
+ SET_IDREG(isar, ID_MMFR4, 0x01021110);
SET_IDREG(isar, ID_PFR0, 0x21110131);
SET_IDREG(isar, ID_PFR1, 0x00010000); /* GIC filled in later */
SET_IDREG(isar, ID_PFR2, 0x00000011);
@@ -906,17 +906,17 @@ static void aarch64_a710_initfn(Object *obj)
SET_IDREG(isar, ID_PFR1, 0x00010000); /* GIC filled in later */
SET_IDREG(isar, ID_DFR0, 0x16011099);
cpu->id_afr0 = 0;
- cpu->isar.id_mmfr0 = 0x10201105;
- cpu->isar.id_mmfr1 = 0x40000000;
- cpu->isar.id_mmfr2 = 0x01260000;
- cpu->isar.id_mmfr3 = 0x02122211;
+ SET_IDREG(isar, ID_MMFR0, 0x10201105);
+ SET_IDREG(isar, ID_MMFR1, 0x40000000);
+ SET_IDREG(isar, ID_MMFR2, 0x01260000);
+ SET_IDREG(isar, ID_MMFR3, 0x02122211);
SET_IDREG(isar, ID_ISAR0, 0x02101110);
SET_IDREG(isar, ID_ISAR1, 0x13112111);
SET_IDREG(isar, ID_ISAR2, 0x21232042);
SET_IDREG(isar, ID_ISAR3, 0x01112131);
SET_IDREG(isar, ID_ISAR4, 0x00010142);
SET_IDREG(isar, ID_ISAR5, 0x11011121); /* with Crypto */
- cpu->isar.id_mmfr4 = 0x21021110;
+ SET_IDREG(isar, ID_MMFR4, 0x21021110);
SET_IDREG(isar, ID_ISAR6, 0x01111111);
cpu->isar.mvfr0 = 0x10110222;
cpu->isar.mvfr1 = 0x13211111;
@@ -1008,17 +1008,17 @@ static void aarch64_neoverse_n2_initfn(Object *obj)
SET_IDREG(isar, ID_PFR1, 0x00010000); /* GIC filled in later */
SET_IDREG(isar, ID_DFR0, 0x16011099);
cpu->id_afr0 = 0;
- cpu->isar.id_mmfr0 = 0x10201105;
- cpu->isar.id_mmfr1 = 0x40000000;
- cpu->isar.id_mmfr2 = 0x01260000;
- cpu->isar.id_mmfr3 = 0x02122211;
+ SET_IDREG(isar, ID_MMFR0, 0x10201105);
+ SET_IDREG(isar, ID_MMFR1, 0x40000000);
+ SET_IDREG(isar, ID_MMFR2, 0x01260000);
+ SET_IDREG(isar, ID_MMFR3, 0x02122211);
SET_IDREG(isar, ID_ISAR0, 0x02101110);
SET_IDREG(isar, ID_ISAR1, 0x13112111);
SET_IDREG(isar, ID_ISAR2, 0x21232042);
SET_IDREG(isar, ID_ISAR3, 0x01112131);
SET_IDREG(isar, ID_ISAR4, 0x00010142);
SET_IDREG(isar, ID_ISAR5, 0x11011121); /* with Crypto */
- cpu->isar.id_mmfr4 = 0x01021110;
+ SET_IDREG(isar, ID_MMFR4, 0x01021110);
SET_IDREG(isar, ID_ISAR6, 0x01111111);
cpu->isar.mvfr0 = 0x10110222;
cpu->isar.mvfr1 = 0x13211111;
--
2.49.0
^ permalink raw reply related [flat|nested] 30+ messages in thread
* [PATCH v8 12/14] arm/cpu: Add sysreg generation scripts
2025-06-17 15:39 [PATCH v8 00/14] arm: rework id register storage Cornelia Huck
` (10 preceding siblings ...)
2025-06-17 15:39 ` [PATCH v8 11/14] arm/cpu: Store id_mmfr0-5 " Cornelia Huck
@ 2025-06-17 15:39 ` Cornelia Huck
2025-06-17 15:45 ` Cornelia Huck
2025-06-17 15:39 ` [PATCH v8 13/14] arm/cpu: switch to a generated cpu-sysregs.h.inc Cornelia Huck
` (4 subsequent siblings)
16 siblings, 1 reply; 30+ messages in thread
From: Cornelia Huck @ 2025-06-17 15:39 UTC (permalink / raw)
To: eric.auger.pro, eric.auger, qemu-devel, qemu-arm, kvmarm,
peter.maydell, richard.henderson, alex.bennee, maz, oliver.upton,
sebott, shameerali.kolothum.thodi, armbru, berrange, abologna,
jdenemar, agraf
Cc: shahuang, mark.rutland, philmd, pbonzini, Cornelia Huck
From: Eric Auger <eric.auger@redhat.com>
Introduce scripts that automate the generation of system register
definitions from a given linux source tree arch/arm64/tools/sysreg.
Invocation of
./update-aarch64-sysreg-code.sh $PATH_TO_LINUX_SOURCE_TREE
in scripts directory generates target/arm/cpu-sysregs.h.inc
containing defines for all system registers.
[CH: update to handle current kernel sysregs structure, and to emit
the re-worked register structures; cpu properties will be added
later]
Reviewed-by: Sebastian Ott <sebott@redhat.com>
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
---
MAINTAINERS | 1 +
| 37 ++++++++++++++++++++++++++
scripts/update-aarch64-sysreg-code.sh | 32 ++++++++++++++++++++++
3 files changed, 70 insertions(+)
create mode 100755 scripts/arm-gen-cpu-sysregs-header.awk
create mode 100755 scripts/update-aarch64-sysreg-code.sh
diff --git a/MAINTAINERS b/MAINTAINERS
index 28b3dd2684b4..01334cb93ca1 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -443,6 +443,7 @@ M: Peter Maydell <peter.maydell@linaro.org>
L: qemu-arm@nongnu.org
S: Maintained
F: target/arm/kvm.c
+F: scripts/*-sysreg*
MIPS KVM CPUs
M: Huacai Chen <chenhuacai@kernel.org>
--git a/scripts/arm-gen-cpu-sysregs-header.awk b/scripts/arm-gen-cpu-sysregs-header.awk
new file mode 100755
index 000000000000..f92bbbafa727
--- /dev/null
+++ b/scripts/arm-gen-cpu-sysregs-header.awk
@@ -0,0 +1,37 @@
+#!/bin/awk -f
+# SPDX-License-Identifier: GPL-2.0-or-later
+# arm-gen-cpu-sysregs-header.awk: arm64 sysreg header include generator
+#
+# Usage: awk -f arm-gen-cpu-sysregs-header.awk $LINUX_PATH/arch/arm64/tools/sysreg
+
+BEGIN {
+ print "/* SPDX-License-Identifier: GPL-2.0-or-later */"
+ print "/* GENERATED FILE, DO NOT EDIT */"
+ print "/* use arm-gen-cpu-sysregs-header.awk to regenerate */"
+} END {
+ print ""
+}
+
+# skip blank lines and comment lines
+/^$/ { next }
+/^[\t ]*#/ { next }
+
+/^Sysreg\t/ || /^Sysreg /{
+
+ reg = $2
+ op0 = $3
+ op1 = $4
+ crn = $5
+ crm = $6
+ op2 = $7
+
+ if (op0 == 3 && (op1==0 || op1==1 || op1==3) && crn==0 && (crm>=0 && crm<=7) && (op2>=0 && op2<=7)) {
+ print "DEF("reg", "op0", "op1", "crn", "crm", "op2")"
+ }
+ next
+}
+
+{
+ /* skip all other lines */
+ next
+}
diff --git a/scripts/update-aarch64-sysreg-code.sh b/scripts/update-aarch64-sysreg-code.sh
new file mode 100755
index 000000000000..7bba0bcd6f66
--- /dev/null
+++ b/scripts/update-aarch64-sysreg-code.sh
@@ -0,0 +1,32 @@
+#!/bin/sh -e
+#
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Update target/arm/cpu-sysregs.h
+# from a linux source tree (arch/arm64/tools/sysreg)
+#
+# Copyright Red Hat, Inc. 2024
+#
+# Authors:
+# Eric Auger <eric.auger@redhat.com>
+#
+
+scripts="$(dirname "$0")"
+linux="$1"
+output="$2"
+
+if [ -z "$linux" ] || ! [ -d "$linux" ]; then
+ cat << EOF
+usage: update-aarch64-sysreg-code.sh LINUX_PATH [OUTPUT_PATH]
+
+LINUX_PATH Linux kernel directory to obtain the register definitions from
+OUTPUT_PATH output directory, usually the qemu source tree (default: $PWD)
+EOF
+ exit 1
+fi
+
+if [ -z "$output" ]; then
+ output="$PWD"
+fi
+
+awk -f $scripts/arm-gen-cpu-sysregs-header.awk \
+ $linux/arch/arm64/tools/sysreg > $output/target/arm/cpu-sysregs.h.inc
--
2.49.0
^ permalink raw reply related [flat|nested] 30+ messages in thread
* [PATCH v8 13/14] arm/cpu: switch to a generated cpu-sysregs.h.inc
2025-06-17 15:39 [PATCH v8 00/14] arm: rework id register storage Cornelia Huck
` (11 preceding siblings ...)
2025-06-17 15:39 ` [PATCH v8 12/14] arm/cpu: Add sysreg generation scripts Cornelia Huck
@ 2025-06-17 15:39 ` Cornelia Huck
2025-06-30 15:23 ` Peter Maydell
2025-06-17 15:39 ` [PATCH v8 14/14] arm/kvm: use fd instead of fdarray[2] Cornelia Huck
` (3 subsequent siblings)
16 siblings, 1 reply; 30+ messages in thread
From: Cornelia Huck @ 2025-06-17 15:39 UTC (permalink / raw)
To: eric.auger.pro, eric.auger, qemu-devel, qemu-arm, kvmarm,
peter.maydell, richard.henderson, alex.bennee, maz, oliver.upton,
sebott, shameerali.kolothum.thodi, armbru, berrange, abologna,
jdenemar, agraf
Cc: shahuang, mark.rutland, philmd, pbonzini, Cornelia Huck
Generated against Linux 6.15.
Reviewed-by: Sebastian Ott <sebott@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
---
target/arm/cpu-sysregs.h.inc | 43 +++++++++++++++++++++++++-----------
1 file changed, 30 insertions(+), 13 deletions(-)
diff --git a/target/arm/cpu-sysregs.h.inc b/target/arm/cpu-sysregs.h.inc
index cb99286f7048..1dddd3d357eb 100644
--- a/target/arm/cpu-sysregs.h.inc
+++ b/target/arm/cpu-sysregs.h.inc
@@ -1,19 +1,10 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
-DEF(ID_AA64PFR0_EL1, 3, 0, 0, 4, 0)
-DEF(ID_AA64PFR1_EL1, 3, 0, 0, 4, 1)
-DEF(ID_AA64SMFR0_EL1, 3, 0, 0, 4, 5)
-DEF(ID_AA64DFR0_EL1, 3, 0, 0, 5, 0)
-DEF(ID_AA64DFR1_EL1, 3, 0, 0, 5, 1)
-DEF(ID_AA64ISAR0_EL1, 3, 0, 0, 6, 0)
-DEF(ID_AA64ISAR1_EL1, 3, 0, 0, 6, 1)
-DEF(ID_AA64ISAR2_EL1, 3, 0, 0, 6, 2)
-DEF(ID_AA64MMFR0_EL1, 3, 0, 0, 7, 0)
-DEF(ID_AA64MMFR1_EL1, 3, 0, 0, 7, 1)
-DEF(ID_AA64MMFR2_EL1, 3, 0, 0, 7, 2)
-DEF(ID_AA64MMFR3_EL1, 3, 0, 0, 7, 3)
+/* GENERATED FILE, DO NOT EDIT */
+/* use arm-gen-cpu-sysregs-header.awk to regenerate */
DEF(ID_PFR0_EL1, 3, 0, 0, 1, 0)
DEF(ID_PFR1_EL1, 3, 0, 0, 1, 1)
DEF(ID_DFR0_EL1, 3, 0, 0, 1, 2)
+DEF(ID_AFR0_EL1, 3, 0, 0, 1, 3)
DEF(ID_MMFR0_EL1, 3, 0, 0, 1, 4)
DEF(ID_MMFR1_EL1, 3, 0, 0, 1, 5)
DEF(ID_MMFR2_EL1, 3, 0, 0, 1, 6)
@@ -24,13 +15,39 @@ DEF(ID_ISAR2_EL1, 3, 0, 0, 2, 2)
DEF(ID_ISAR3_EL1, 3, 0, 0, 2, 3)
DEF(ID_ISAR4_EL1, 3, 0, 0, 2, 4)
DEF(ID_ISAR5_EL1, 3, 0, 0, 2, 5)
-DEF(ID_MMFR4_EL1, 3, 0, 0, 2, 6)
DEF(ID_ISAR6_EL1, 3, 0, 0, 2, 7)
+DEF(ID_MMFR4_EL1, 3, 0, 0, 2, 6)
DEF(MVFR0_EL1, 3, 0, 0, 3, 0)
DEF(MVFR1_EL1, 3, 0, 0, 3, 1)
DEF(MVFR2_EL1, 3, 0, 0, 3, 2)
DEF(ID_PFR2_EL1, 3, 0, 0, 3, 4)
DEF(ID_DFR1_EL1, 3, 0, 0, 3, 5)
DEF(ID_MMFR5_EL1, 3, 0, 0, 3, 6)
+DEF(ID_AA64PFR0_EL1, 3, 0, 0, 4, 0)
+DEF(ID_AA64PFR1_EL1, 3, 0, 0, 4, 1)
+DEF(ID_AA64PFR2_EL1, 3, 0, 0, 4, 2)
DEF(ID_AA64ZFR0_EL1, 3, 0, 0, 4, 4)
+DEF(ID_AA64SMFR0_EL1, 3, 0, 0, 4, 5)
+DEF(ID_AA64FPFR0_EL1, 3, 0, 0, 4, 7)
+DEF(ID_AA64DFR0_EL1, 3, 0, 0, 5, 0)
+DEF(ID_AA64DFR1_EL1, 3, 0, 0, 5, 1)
+DEF(ID_AA64DFR2_EL1, 3, 0, 0, 5, 2)
+DEF(ID_AA64AFR0_EL1, 3, 0, 0, 5, 4)
+DEF(ID_AA64AFR1_EL1, 3, 0, 0, 5, 5)
+DEF(ID_AA64ISAR0_EL1, 3, 0, 0, 6, 0)
+DEF(ID_AA64ISAR1_EL1, 3, 0, 0, 6, 1)
+DEF(ID_AA64ISAR2_EL1, 3, 0, 0, 6, 2)
+DEF(ID_AA64ISAR3_EL1, 3, 0, 0, 6, 3)
+DEF(ID_AA64MMFR0_EL1, 3, 0, 0, 7, 0)
+DEF(ID_AA64MMFR1_EL1, 3, 0, 0, 7, 1)
+DEF(ID_AA64MMFR2_EL1, 3, 0, 0, 7, 2)
+DEF(ID_AA64MMFR3_EL1, 3, 0, 0, 7, 3)
+DEF(ID_AA64MMFR4_EL1, 3, 0, 0, 7, 4)
+DEF(CCSIDR_EL1, 3, 1, 0, 0, 0)
+DEF(CLIDR_EL1, 3, 1, 0, 0, 1)
+DEF(CCSIDR2_EL1, 3, 1, 0, 0, 2)
+DEF(GMID_EL1, 3, 1, 0, 0, 4)
+DEF(SMIDR_EL1, 3, 1, 0, 0, 6)
DEF(CTR_EL0, 3, 3, 0, 0, 1)
+DEF(DCZID_EL0, 3, 3, 0, 0, 7)
+
--
2.49.0
^ permalink raw reply related [flat|nested] 30+ messages in thread
* [PATCH v8 14/14] arm/kvm: use fd instead of fdarray[2]
2025-06-17 15:39 [PATCH v8 00/14] arm: rework id register storage Cornelia Huck
` (12 preceding siblings ...)
2025-06-17 15:39 ` [PATCH v8 13/14] arm/cpu: switch to a generated cpu-sysregs.h.inc Cornelia Huck
@ 2025-06-17 15:39 ` Cornelia Huck
2025-06-25 9:10 ` [PATCH v8 00/14] arm: rework id register storage Eric Auger
` (2 subsequent siblings)
16 siblings, 0 replies; 30+ messages in thread
From: Cornelia Huck @ 2025-06-17 15:39 UTC (permalink / raw)
To: eric.auger.pro, eric.auger, qemu-devel, qemu-arm, kvmarm,
peter.maydell, richard.henderson, alex.bennee, maz, oliver.upton,
sebott, shameerali.kolothum.thodi, armbru, berrange, abologna,
jdenemar, agraf
Cc: shahuang, mark.rutland, philmd, pbonzini, Cornelia Huck
We have fd, so might as well neaten things up.
Suggested-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
---
target/arm/kvm.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/target/arm/kvm.c b/target/arm/kvm.c
index 3df046b2b911..70919aedd0a4 100644
--- a/target/arm/kvm.c
+++ b/target/arm/kvm.c
@@ -348,11 +348,11 @@ static bool kvm_arm_get_host_cpu_features(ARMHostCPUFeatures *ahcf)
err |= get_host_cpu_reg(fd, ahcf, ID_ISAR6_EL1_IDX);
err |= get_host_cpu_reg(fd, ahcf, ID_MMFR4_EL1_IDX);
- err |= read_sys_reg32(fdarray[2], &ahcf->isar.mvfr0,
+ err |= read_sys_reg32(fd, &ahcf->isar.mvfr0,
ARM64_SYS_REG(3, 0, 0, 3, 0));
- err |= read_sys_reg32(fdarray[2], &ahcf->isar.mvfr1,
+ err |= read_sys_reg32(fd, &ahcf->isar.mvfr1,
ARM64_SYS_REG(3, 0, 0, 3, 1));
- err |= read_sys_reg32(fdarray[2], &ahcf->isar.mvfr2,
+ err |= read_sys_reg32(fd, &ahcf->isar.mvfr2,
ARM64_SYS_REG(3, 0, 0, 3, 2));
err |= get_host_cpu_reg(fd, ahcf, ID_PFR2_EL1_IDX);
err |= get_host_cpu_reg(fd, ahcf, ID_DFR1_EL1_IDX);
@@ -390,7 +390,7 @@ static bool kvm_arm_get_host_cpu_features(ARMHostCPUFeatures *ahcf)
if (pmu_supported) {
/* PMCR_EL0 is only accessible if the vCPU has feature PMU_V3 */
- err |= read_sys_reg64(fdarray[2], &ahcf->isar.reset_pmcr_el0,
+ err |= read_sys_reg64(fd, &ahcf->isar.reset_pmcr_el0,
ARM64_SYS_REG(3, 3, 9, 12, 0));
}
--
2.49.0
^ permalink raw reply related [flat|nested] 30+ messages in thread
* Re: [PATCH v8 12/14] arm/cpu: Add sysreg generation scripts
2025-06-17 15:39 ` [PATCH v8 12/14] arm/cpu: Add sysreg generation scripts Cornelia Huck
@ 2025-06-17 15:45 ` Cornelia Huck
2025-06-25 9:16 ` Eric Auger
0 siblings, 1 reply; 30+ messages in thread
From: Cornelia Huck @ 2025-06-17 15:45 UTC (permalink / raw)
To: eric.auger.pro, eric.auger, qemu-devel, qemu-arm, kvmarm,
peter.maydell, richard.henderson, alex.bennee, maz, oliver.upton,
sebott, shameerali.kolothum.thodi, armbru, berrange, abologna,
jdenemar, agraf
Cc: shahuang, mark.rutland, philmd, pbonzini
On Tue, Jun 17 2025, Cornelia Huck <cohuck@redhat.com> wrote:
> diff --git a/scripts/arm-gen-cpu-sysregs-header.awk b/scripts/arm-gen-cpu-sysregs-header.awk
> new file mode 100755
> index 000000000000..f92bbbafa727
> --- /dev/null
> +++ b/scripts/arm-gen-cpu-sysregs-header.awk
> @@ -0,0 +1,37 @@
> +#!/bin/awk -f
> +# SPDX-License-Identifier: GPL-2.0-or-later
> +# arm-gen-cpu-sysregs-header.awk: arm64 sysreg header include generator
> +#
> +# Usage: awk -f arm-gen-cpu-sysregs-header.awk $LINUX_PATH/arch/arm64/tools/sysreg
> +
> +BEGIN {
> + print "/* SPDX-License-Identifier: GPL-2.0-or-later */"
FWIW, checkpatch.pl chokes on this:
^* matches null string many times in regex; marked by <-- HERE in m/^* <-- HERE /"$/ at scripts/checkpatch.pl line 1389.
ERROR: Saw unacceptable licenses '*/"', valid choices for QEMU are:
GPL-2.0-or-later
GPL-2.0-only
LGPL-2.1-only
LGPL-2.1-or-later
BSD-2-Clause
BSD-3-Clause
MIT
total: 1 errors, 0 warnings, 76 lines checked
> + print "/* GENERATED FILE, DO NOT EDIT */"
> + print "/* use arm-gen-cpu-sysregs-header.awk to regenerate */"
> +} END {
> + print ""
> +}
> +
^ permalink raw reply [flat|nested] 30+ messages in thread
* Re: [PATCH v8 00/14] arm: rework id register storage
2025-06-17 15:39 [PATCH v8 00/14] arm: rework id register storage Cornelia Huck
` (13 preceding siblings ...)
2025-06-17 15:39 ` [PATCH v8 14/14] arm/kvm: use fd instead of fdarray[2] Cornelia Huck
@ 2025-06-25 9:10 ` Eric Auger
2025-06-25 10:14 ` Peter Maydell
2025-06-30 10:04 ` Cornelia Huck
2025-06-30 15:25 ` Peter Maydell
16 siblings, 1 reply; 30+ messages in thread
From: Eric Auger @ 2025-06-25 9:10 UTC (permalink / raw)
To: Cornelia Huck, eric.auger.pro, qemu-devel, qemu-arm, kvmarm,
peter.maydell, richard.henderson, alex.bennee, maz, oliver.upton,
sebott, shameerali.kolothum.thodi, armbru, berrange, abologna,
jdenemar, agraf
Cc: shahuang, mark.rutland, philmd, pbonzini
Hi Connie,
On 6/17/25 5:39 PM, Cornelia Huck wrote:
> Mostly addressed Peter's feedback:
> - make sure every inbetween stage compiles (also fixed some bonus issues)
I compile-tested each patch and it is fixed now.
> - try to make the scripts more robust, add a note the generated file,
> and make sure to grab only registers we actually want
> - I did a half-hearted attempt to use python instead of awk, but I'm
> out of my depth, especially with the script that will be used for
> the register fields in the cpu models series
However there are other checkpatch errors besides the one you reported, in
52873a54ad arm/cpu: Store aa64isar0/aa64zfr0 into the idregs arrays
ERROR: line over 90 characters
#388: FILE: target/arm/kvm.c:225:
+ return ARM64_SYS_REG((sysreg & CP_REG_ARM64_SYSREG_OP0_MASK) >>
CP_REG_ARM64_SYSREG_OP0_SHIFT,
ERROR: line over 90 characters
#389: FILE: target/arm/kvm.c:226:
+ (sysreg & CP_REG_ARM64_SYSREG_OP1_MASK) >>
CP_REG_ARM64_SYSREG_OP1_SHIFT,
ERROR: line over 90 characters
#390: FILE: target/arm/kvm.c:227:
+ (sysreg & CP_REG_ARM64_SYSREG_CRN_MASK) >>
CP_REG_ARM64_SYSREG_CRN_SHIFT,
ERROR: line over 90 characters
#391: FILE: target/arm/kvm.c:228:
+ (sysreg & CP_REG_ARM64_SYSREG_CRM_MASK) >>
CP_REG_ARM64_SYSREG_CRM_SHIFT,
ERROR: line over 90 characters
#392: FILE: target/arm/kvm.c:229:
+ (sysreg & CP_REG_ARM64_SYSREG_OP2_MASK) >>
CP_REG_ARM64_SYSREG_OP2_SHIFT);
WARNING: line over 80 characters
#396: FILE: target/arm/kvm.c:233:
+static int get_host_cpu_reg(int fd, ARMHostCPUFeatures *ahcf,
ARMIDRegisterIdx index)
and in
5f15ebdf3f arm/cpu: Add sysreg definitions in cpu-sysregs.h
ERROR: Macros with complex values should be enclosed in parenthesis
#56: FILE: target/arm/cpu-sysregs.h:21:
+#define DEF(NAME, OP0, OP1, CRN, CRM, OP2) NAME##_IDX,
ERROR: Macros with complex values should be enclosed in parenthesis
#64: FILE: target/arm/cpu-sysregs.h:29:
+#define DEF(NAME, OP0, OP1, CRN, CRM, OP2) \
+ SYS_##NAME = ENCODE_ID_REG(OP0, OP1, CRN, CRM, OP2),
ERROR: Macros with complex values should be enclosed in parenthesis
#203: FILE: target/arm/cpu64.c:40:
+#define DEF(NAME, OP0, OP1, CRN, CRM, OP2) \
+ [NAME##_IDX] = SYS_##NAME,
Thanks
Eric
>
> Also available at
> https://gitlab.com/cohuck/qemu/-/commits/arm-rework-idreg-storage-v8
>
> <v7 cover letter>
> Some small fixes, including fixing up/adding SPDX identifiers, keeping the
> series bisectable, and updating MAINTAINERS (please check if that's ok.)
>
> <v6 cover letter>
> Just some small changes:
> - fixed up some botched conversions noted by Eric (thanks!)
> - rebased to current master
> - new patch with a small cleanup suggested by Eric
>
> <v5 cover letter>
> Just a quick respin to fix a missed conversion in hvf.c.
>
> <v4 cover letter>
> Next iteration of the id register patches; only small changes.
>
> Changed from v3:
> - added R-bs (thanks!)
> - added missing SPDX header
> - merged patch introducing accessors for kvm to the first user
> - skip over sysregs outside of the id register range when generating
> register definitions again
>
> Also available at
> https://gitlab.com/cohuck/qemu/-/commits/arm-rework-idreg-storage-v4
>
> <v3 cover letter>
> Yet another update of the id register series, less changes this time
> around.
>
> Changed from v2:
> - changed generation of the various register defines via the "DEF"
> magic suggested by Richard
> - some kvm-only code moved to kvm.c; some code potentially useful to
> non-kvm code stayed out of there (the cpu model code will make use
> of it, and that one should be extendable outside of kvm -- a
> revised version of those patches is still in the works, but I'll be
> off for a few days and rather wanted to get this one out first)
>
> Also available at
> https://gitlab.com/cohuck/qemu/-/commits/arm-rework-idreg-storage-v3
>
> <v2 cover letter>
>
> Changed from v1:
> - Noticed that we missed the hvf code. Converted, compiled, but not tested
> as I'm lacking an environment for testing.
> - Hopefully incorporated most of the suggested changes -- if I missed
> something, it was unintentional unless mentioned below.
> - fixed repeated inclusion of definitions
> - hopefully made macros more robust
> - removed distinction between reading 32/64 values, which was mostly
> adding churn for little value
> - postponed generating property definitions to the cpu model patches,
> where they are actually used
> - juggled hunks and moved them to the right patches
> - fixed some typos
> - rebased to a more recent code base
>
> NOT changed from v1:
> - definitions are still generated from the Linux sysregs file
> - I still think updating the generated files on demand (so that we can
> double check the result) is the right thing to do
> - I'm open to changing the source of the definitions from the sysregs
> file to the JSON definitions published by Arm; however, I first wanted
> to get the code using it right -- we can switch out the code generating
> the file to use a different source easily later on, and I'd also like
> to steal parts of the script from Linux once integrated (which I think
> hasn't happened yet?)
>
> <v1 cover letter>
>
> [Note: I've kept the cc list from the last round of cpu model patches;
> so if you're confused as to why you're cc:ed here, take it as a
> heads-up that a new cpu model series will come along soon]
>
> This patch series contains patches extracted from the larger cpu model
> series (RFC v2 last posted at
> https://lore.kernel.org/qemu-devel/20241206112213.88394-1-cohuck@redhat.com/)
> and aims at providing a base upon which we can continue with building
> support for cpu models, but which is hopefully already an improvement
> on its own.
>
> Main changes from the patches in that series include:
> - post-pone the changes to handle KVM writable ID registers for cpu models
> (I have a series including that on top of this one)
> - change how we store the list of ID registers, and access them
> basically, use an enum for indexing, and an enum doing encodings in a
> pattern similar to cpregs
> - move some hunks to different patches
> - update the scripts to generate the register descriptions, and run
> them against a recent Linux sysregs file
>
> What I've kept:
> - generating the register descriptions from the Linux sysregs file
> I think that file is still our best bet to generate the descriptions
> easily, and updating the definitions is a manual step that can be checked
> for unintended changes
> - most of the hard work that Eric had been doing; all new bugs in there
> are my own :)
>
> </v1 cover letter>
> </v2 cover letter>
> </v3 cover letter>
> </v4 cover letter>
> </v5 cover letter>
> </v6 cover letter>
> </v7 cover letter>
>
> Cornelia Huck (2):
> arm/cpu: switch to a generated cpu-sysregs.h.inc
> arm/kvm: use fd instead of fdarray[2]
>
> Eric Auger (12):
> arm/cpu: Add sysreg definitions in cpu-sysregs.h
> arm/cpu: Store aa64isar0/aa64zfr0 into the idregs arrays
> arm/cpu: Store aa64isar1/2 into the idregs array
> arm/cpu: Store aa64pfr0/1 into the idregs array
> arm/cpu: Store aa64mmfr0-3 into the idregs array
> arm/cpu: Store aa64dfr0/1 into the idregs array
> arm/cpu: Store aa64smfr0 into the idregs array
> arm/cpu: Store id_isar0-7 into the idregs array
> arm/cpu: Store id_pfr0/1/2 into the idregs array
> arm/cpu: Store id_dfr0/1 into the idregs array
> arm/cpu: Store id_mmfr0-5 into the idregs array
> arm/cpu: Add sysreg generation scripts
>
> MAINTAINERS | 1 +
> hw/intc/armv7m_nvic.c | 27 +-
> scripts/arm-gen-cpu-sysregs-header.awk | 37 ++
> scripts/update-aarch64-sysreg-code.sh | 32 ++
> target/arm/cpu-features.h | 317 ++++++++---------
> target/arm/cpu-sysregs.h | 42 +++
> target/arm/cpu-sysregs.h.inc | 53 +++
> target/arm/cpu.c | 111 +++---
> target/arm/cpu.h | 80 +++--
> target/arm/cpu64.c | 128 ++++---
> target/arm/helper.c | 68 ++--
> target/arm/hvf/hvf.c | 39 ++-
> target/arm/internals.h | 6 +-
> target/arm/kvm.c | 139 ++++----
> target/arm/ptw.c | 6 +-
> target/arm/tcg/cpu-v7m.c | 174 +++++-----
> target/arm/tcg/cpu32.c | 320 ++++++++---------
> target/arm/tcg/cpu64.c | 459 +++++++++++++------------
> 18 files changed, 1114 insertions(+), 925 deletions(-)
> create mode 100755 scripts/arm-gen-cpu-sysregs-header.awk
> create mode 100755 scripts/update-aarch64-sysreg-code.sh
> create mode 100644 target/arm/cpu-sysregs.h
> create mode 100644 target/arm/cpu-sysregs.h.inc
>
^ permalink raw reply [flat|nested] 30+ messages in thread
* Re: [PATCH v8 12/14] arm/cpu: Add sysreg generation scripts
2025-06-17 15:45 ` Cornelia Huck
@ 2025-06-25 9:16 ` Eric Auger
2025-06-25 9:23 ` Daniel P. Berrangé
2025-06-25 9:24 ` Cornelia Huck
0 siblings, 2 replies; 30+ messages in thread
From: Eric Auger @ 2025-06-25 9:16 UTC (permalink / raw)
To: Cornelia Huck, eric.auger.pro, qemu-devel, qemu-arm, kvmarm,
peter.maydell, richard.henderson, alex.bennee, maz, oliver.upton,
sebott, shameerali.kolothum.thodi, armbru, berrange, abologna,
jdenemar, agraf
Cc: shahuang, mark.rutland, philmd, pbonzini
Hi Connie,
On 6/17/25 5:45 PM, Cornelia Huck wrote:
> On Tue, Jun 17 2025, Cornelia Huck <cohuck@redhat.com> wrote:
>
>> diff --git a/scripts/arm-gen-cpu-sysregs-header.awk b/scripts/arm-gen-cpu-sysregs-header.awk
>> new file mode 100755
>> index 000000000000..f92bbbafa727
>> --- /dev/null
>> +++ b/scripts/arm-gen-cpu-sysregs-header.awk
>> @@ -0,0 +1,37 @@
>> +#!/bin/awk -f
>> +# SPDX-License-Identifier: GPL-2.0-or-later
>> +# arm-gen-cpu-sysregs-header.awk: arm64 sysreg header include generator
>> +#
>> +# Usage: awk -f arm-gen-cpu-sysregs-header.awk $LINUX_PATH/arch/arm64/tools/sysreg
>> +
>> +BEGIN {
>> + print "/* SPDX-License-Identifier: GPL-2.0-or-later */"
> FWIW, checkpatch.pl chokes on this:
>
> ^* matches null string many times in regex; marked by <-- HERE in m/^* <-- HERE /"$/ at scripts/checkpatch.pl line 1389.
> ERROR: Saw unacceptable licenses '*/"', valid choices for QEMU are:
> GPL-2.0-or-later
> GPL-2.0-only
> LGPL-2.1-only
> LGPL-2.1-or-later
> BSD-2-Clause
> BSD-3-Clause
> MIT
> total: 1 errors, 0 warnings, 76 lines checked
so don't we need to improve checkpatch.pl to silence this error?
Cheers
Eric
>
>
>> + print "/* GENERATED FILE, DO NOT EDIT */"
>> + print "/* use arm-gen-cpu-sysregs-header.awk to regenerate */"
>> +} END {
>> + print ""
>> +}
>> +
^ permalink raw reply [flat|nested] 30+ messages in thread
* Re: [PATCH v8 12/14] arm/cpu: Add sysreg generation scripts
2025-06-25 9:16 ` Eric Auger
@ 2025-06-25 9:23 ` Daniel P. Berrangé
2025-06-25 9:31 ` Eric Auger
2025-06-25 9:24 ` Cornelia Huck
1 sibling, 1 reply; 30+ messages in thread
From: Daniel P. Berrangé @ 2025-06-25 9:23 UTC (permalink / raw)
To: Eric Auger
Cc: Cornelia Huck, eric.auger.pro, qemu-devel, qemu-arm, kvmarm,
peter.maydell, richard.henderson, alex.bennee, maz, oliver.upton,
sebott, shameerali.kolothum.thodi, armbru, abologna, jdenemar,
agraf, shahuang, mark.rutland, philmd, pbonzini
On Wed, Jun 25, 2025 at 11:16:22AM +0200, Eric Auger wrote:
> Hi Connie,
>
> On 6/17/25 5:45 PM, Cornelia Huck wrote:
> > On Tue, Jun 17 2025, Cornelia Huck <cohuck@redhat.com> wrote:
> >
> >> diff --git a/scripts/arm-gen-cpu-sysregs-header.awk b/scripts/arm-gen-cpu-sysregs-header.awk
> >> new file mode 100755
> >> index 000000000000..f92bbbafa727
> >> --- /dev/null
> >> +++ b/scripts/arm-gen-cpu-sysregs-header.awk
> >> @@ -0,0 +1,37 @@
> >> +#!/bin/awk -f
> >> +# SPDX-License-Identifier: GPL-2.0-or-later
> >> +# arm-gen-cpu-sysregs-header.awk: arm64 sysreg header include generator
> >> +#
> >> +# Usage: awk -f arm-gen-cpu-sysregs-header.awk $LINUX_PATH/arch/arm64/tools/sysreg
> >> +
> >> +BEGIN {
> >> + print "/* SPDX-License-Identifier: GPL-2.0-or-later */"
> > FWIW, checkpatch.pl chokes on this:
> >
> > ^* matches null string many times in regex; marked by <-- HERE in m/^* <-- HERE /"$/ at scripts/checkpatch.pl line 1389.
> > ERROR: Saw unacceptable licenses '*/"', valid choices for QEMU are:
> > GPL-2.0-or-later
> > GPL-2.0-only
> > LGPL-2.1-only
> > LGPL-2.1-or-later
> > BSD-2-Clause
> > BSD-3-Clause
> > MIT
> > total: 1 errors, 0 warnings, 76 lines checked
>
> so don't we need to improve checkpatch.pl to silence this error?
Its regex gets confused by the trailing " after the comment end. We
could fix it, but ignoring the error is also valid as this is a
highly unusual file that's not likely to be common through our
source tree.
With regards,
Daniel
--
|: https://berrange.com -o- https://www.flickr.com/photos/dberrange :|
|: https://libvirt.org -o- https://fstop138.berrange.com :|
|: https://entangle-photo.org -o- https://www.instagram.com/dberrange :|
^ permalink raw reply [flat|nested] 30+ messages in thread
* Re: [PATCH v8 12/14] arm/cpu: Add sysreg generation scripts
2025-06-25 9:16 ` Eric Auger
2025-06-25 9:23 ` Daniel P. Berrangé
@ 2025-06-25 9:24 ` Cornelia Huck
1 sibling, 0 replies; 30+ messages in thread
From: Cornelia Huck @ 2025-06-25 9:24 UTC (permalink / raw)
To: eric.auger, eric.auger.pro, qemu-devel, qemu-arm, kvmarm,
peter.maydell, richard.henderson, alex.bennee, maz, oliver.upton,
sebott, shameerali.kolothum.thodi, armbru, berrange, abologna,
jdenemar, agraf
Cc: shahuang, mark.rutland, philmd, pbonzini
On Wed, Jun 25 2025, Eric Auger <eric.auger@redhat.com> wrote:
> Hi Connie,
>
> On 6/17/25 5:45 PM, Cornelia Huck wrote:
>> On Tue, Jun 17 2025, Cornelia Huck <cohuck@redhat.com> wrote:
>>
>>> diff --git a/scripts/arm-gen-cpu-sysregs-header.awk b/scripts/arm-gen-cpu-sysregs-header.awk
>>> new file mode 100755
>>> index 000000000000..f92bbbafa727
>>> --- /dev/null
>>> +++ b/scripts/arm-gen-cpu-sysregs-header.awk
>>> @@ -0,0 +1,37 @@
>>> +#!/bin/awk -f
>>> +# SPDX-License-Identifier: GPL-2.0-or-later
>>> +# arm-gen-cpu-sysregs-header.awk: arm64 sysreg header include generator
>>> +#
>>> +# Usage: awk -f arm-gen-cpu-sysregs-header.awk $LINUX_PATH/arch/arm64/tools/sysreg
>>> +
>>> +BEGIN {
>>> + print "/* SPDX-License-Identifier: GPL-2.0-or-later */"
>> FWIW, checkpatch.pl chokes on this:
>>
>> ^* matches null string many times in regex; marked by <-- HERE in m/^* <-- HERE /"$/ at scripts/checkpatch.pl line 1389.
>> ERROR: Saw unacceptable licenses '*/"', valid choices for QEMU are:
>> GPL-2.0-or-later
>> GPL-2.0-only
>> LGPL-2.1-only
>> LGPL-2.1-or-later
>> BSD-2-Clause
>> BSD-3-Clause
>> MIT
>> total: 1 errors, 0 warnings, 76 lines checked
>
> so don't we need to improve checkpatch.pl to silence this error?
Yes, that would be good, but my perl-fu is basically nonexistant :(
^ permalink raw reply [flat|nested] 30+ messages in thread
* Re: [PATCH v8 12/14] arm/cpu: Add sysreg generation scripts
2025-06-25 9:23 ` Daniel P. Berrangé
@ 2025-06-25 9:31 ` Eric Auger
0 siblings, 0 replies; 30+ messages in thread
From: Eric Auger @ 2025-06-25 9:31 UTC (permalink / raw)
To: Daniel P. Berrangé
Cc: Cornelia Huck, eric.auger.pro, qemu-devel, qemu-arm, kvmarm,
peter.maydell, richard.henderson, alex.bennee, maz, oliver.upton,
sebott, shameerali.kolothum.thodi, armbru, abologna, jdenemar,
agraf, shahuang, mark.rutland, philmd, pbonzini
Hi Daniel,
On 6/25/25 11:23 AM, Daniel P. Berrangé wrote:
> On Wed, Jun 25, 2025 at 11:16:22AM +0200, Eric Auger wrote:
>> Hi Connie,
>>
>> On 6/17/25 5:45 PM, Cornelia Huck wrote:
>>> On Tue, Jun 17 2025, Cornelia Huck <cohuck@redhat.com> wrote:
>>>
>>>> diff --git a/scripts/arm-gen-cpu-sysregs-header.awk b/scripts/arm-gen-cpu-sysregs-header.awk
>>>> new file mode 100755
>>>> index 000000000000..f92bbbafa727
>>>> --- /dev/null
>>>> +++ b/scripts/arm-gen-cpu-sysregs-header.awk
>>>> @@ -0,0 +1,37 @@
>>>> +#!/bin/awk -f
>>>> +# SPDX-License-Identifier: GPL-2.0-or-later
>>>> +# arm-gen-cpu-sysregs-header.awk: arm64 sysreg header include generator
>>>> +#
>>>> +# Usage: awk -f arm-gen-cpu-sysregs-header.awk $LINUX_PATH/arch/arm64/tools/sysreg
>>>> +
>>>> +BEGIN {
>>>> + print "/* SPDX-License-Identifier: GPL-2.0-or-later */"
>>> FWIW, checkpatch.pl chokes on this:
>>>
>>> ^* matches null string many times in regex; marked by <-- HERE in m/^* <-- HERE /"$/ at scripts/checkpatch.pl line 1389.
>>> ERROR: Saw unacceptable licenses '*/"', valid choices for QEMU are:
>>> GPL-2.0-or-later
>>> GPL-2.0-only
>>> LGPL-2.1-only
>>> LGPL-2.1-or-later
>>> BSD-2-Clause
>>> BSD-3-Clause
>>> MIT
>>> total: 1 errors, 0 warnings, 76 lines checked
>> so don't we need to improve checkpatch.pl to silence this error?
> Its regex gets confused by the trailing " after the comment end. We
> could fix it, but ignoring the error is also valid as this is a
> highly unusual file that's not likely to be common through our
> source tree.
Makes sense. We are good then.
Thanks!
Eric
>
>
> With regards,
> Daniel
^ permalink raw reply [flat|nested] 30+ messages in thread
* Re: [PATCH v8 00/14] arm: rework id register storage
2025-06-25 9:10 ` [PATCH v8 00/14] arm: rework id register storage Eric Auger
@ 2025-06-25 10:14 ` Peter Maydell
2025-06-25 16:37 ` Cornelia Huck
0 siblings, 1 reply; 30+ messages in thread
From: Peter Maydell @ 2025-06-25 10:14 UTC (permalink / raw)
To: eric.auger
Cc: Cornelia Huck, eric.auger.pro, qemu-devel, qemu-arm, kvmarm,
richard.henderson, alex.bennee, maz, oliver.upton, sebott,
shameerali.kolothum.thodi, armbru, berrange, abologna, jdenemar,
agraf, shahuang, mark.rutland, philmd, pbonzini
On Wed, 25 Jun 2025 at 10:10, Eric Auger <eric.auger@redhat.com> wrote:
> However there are other checkpatch errors besides the one you reported, in
> 52873a54ad arm/cpu: Store aa64isar0/aa64zfr0 into the idregs arrays
> ERROR: line over 90 characters
> #388: FILE: target/arm/kvm.c:225:
> + return ARM64_SYS_REG((sysreg & CP_REG_ARM64_SYSREG_OP0_MASK) >>
> CP_REG_ARM64_SYSREG_OP0_SHIFT,
>
> ERROR: line over 90 characters
> #389: FILE: target/arm/kvm.c:226:
> + (sysreg & CP_REG_ARM64_SYSREG_OP1_MASK) >>
> CP_REG_ARM64_SYSREG_OP1_SHIFT,
>
> ERROR: line over 90 characters
> #390: FILE: target/arm/kvm.c:227:
> + (sysreg & CP_REG_ARM64_SYSREG_CRN_MASK) >>
> CP_REG_ARM64_SYSREG_CRN_SHIFT,
>
> ERROR: line over 90 characters
> #391: FILE: target/arm/kvm.c:228:
> + (sysreg & CP_REG_ARM64_SYSREG_CRM_MASK) >>
> CP_REG_ARM64_SYSREG_CRM_SHIFT,
>
> ERROR: line over 90 characters
> #392: FILE: target/arm/kvm.c:229:
> + (sysreg & CP_REG_ARM64_SYSREG_OP2_MASK) >>
> CP_REG_ARM64_SYSREG_OP2_SHIFT);
>
> WARNING: line over 80 characters
> #396: FILE: target/arm/kvm.c:233:
> +static int get_host_cpu_reg(int fd, ARMHostCPUFeatures *ahcf,
> ARMIDRegisterIdx index)
The last one of those is probably easily fixed, but note the general
remark in style.rst that it's better to have an overlong line than
one with an awkward and unreadable wrapping. (We ought to fix
checkpatch and style.rst to agree on whether to warn or error and
whether that should be at 90 chars or 100 chars, but that would require
reopening an old style argument and it's too much effort.)
> 5f15ebdf3f arm/cpu: Add sysreg definitions in cpu-sysregs.h
> ERROR: Macros with complex values should be enclosed in parenthesis
> #56: FILE: target/arm/cpu-sysregs.h:21:
> +#define DEF(NAME, OP0, OP1, CRN, CRM, OP2) NAME##_IDX,
>
> ERROR: Macros with complex values should be enclosed in parenthesis
> #64: FILE: target/arm/cpu-sysregs.h:29:
> +#define DEF(NAME, OP0, OP1, CRN, CRM, OP2) \
> + SYS_##NAME = ENCODE_ID_REG(OP0, OP1, CRN, CRM, OP2),
>
> ERROR: Macros with complex values should be enclosed in parenthesis
> #203: FILE: target/arm/cpu64.c:40:
> +#define DEF(NAME, OP0, OP1, CRN, CRM, OP2) \
> + [NAME##_IDX] = SYS_##NAME,
This is checkpatch not being able to cope with more complex
uses of the preprocessor; the warning only makes sense for
"acts like a function" macros.
-- PMM
^ permalink raw reply [flat|nested] 30+ messages in thread
* Re: [PATCH v8 00/14] arm: rework id register storage
2025-06-25 10:14 ` Peter Maydell
@ 2025-06-25 16:37 ` Cornelia Huck
0 siblings, 0 replies; 30+ messages in thread
From: Cornelia Huck @ 2025-06-25 16:37 UTC (permalink / raw)
To: Peter Maydell, eric.auger
Cc: eric.auger.pro, qemu-devel, qemu-arm, kvmarm, richard.henderson,
alex.bennee, maz, oliver.upton, sebott, shameerali.kolothum.thodi,
armbru, berrange, abologna, jdenemar, agraf, shahuang,
mark.rutland, philmd, pbonzini
On Wed, Jun 25 2025, Peter Maydell <peter.maydell@linaro.org> wrote:
> On Wed, 25 Jun 2025 at 10:10, Eric Auger <eric.auger@redhat.com> wrote:
>> However there are other checkpatch errors besides the one you reported, in
>> 52873a54ad arm/cpu: Store aa64isar0/aa64zfr0 into the idregs arrays
>> ERROR: line over 90 characters
>> #388: FILE: target/arm/kvm.c:225:
>> + return ARM64_SYS_REG((sysreg & CP_REG_ARM64_SYSREG_OP0_MASK) >>
>> CP_REG_ARM64_SYSREG_OP0_SHIFT,
>>
>> ERROR: line over 90 characters
>> #389: FILE: target/arm/kvm.c:226:
>> + (sysreg & CP_REG_ARM64_SYSREG_OP1_MASK) >>
>> CP_REG_ARM64_SYSREG_OP1_SHIFT,
>>
>> ERROR: line over 90 characters
>> #390: FILE: target/arm/kvm.c:227:
>> + (sysreg & CP_REG_ARM64_SYSREG_CRN_MASK) >>
>> CP_REG_ARM64_SYSREG_CRN_SHIFT,
>>
>> ERROR: line over 90 characters
>> #391: FILE: target/arm/kvm.c:228:
>> + (sysreg & CP_REG_ARM64_SYSREG_CRM_MASK) >>
>> CP_REG_ARM64_SYSREG_CRM_SHIFT,
>>
>> ERROR: line over 90 characters
>> #392: FILE: target/arm/kvm.c:229:
>> + (sysreg & CP_REG_ARM64_SYSREG_OP2_MASK) >>
>> CP_REG_ARM64_SYSREG_OP2_SHIFT);
>>
>> WARNING: line over 80 characters
>> #396: FILE: target/arm/kvm.c:233:
>> +static int get_host_cpu_reg(int fd, ARMHostCPUFeatures *ahcf,
>> ARMIDRegisterIdx index)
>
> The last one of those is probably easily fixed, but note the general
> remark in style.rst that it's better to have an overlong line than
> one with an awkward and unreadable wrapping. (We ought to fix
> checkpatch and style.rst to agree on whether to warn or error and
> whether that should be at 90 chars or 100 chars, but that would require
> reopening an old style argument and it's too much effort.)
I would not disagree with fixing the last one if wanted, but I think the
others are more readable if we do not try to break them up.
>
>> 5f15ebdf3f arm/cpu: Add sysreg definitions in cpu-sysregs.h
>> ERROR: Macros with complex values should be enclosed in parenthesis
>> #56: FILE: target/arm/cpu-sysregs.h:21:
>> +#define DEF(NAME, OP0, OP1, CRN, CRM, OP2) NAME##_IDX,
>>
>> ERROR: Macros with complex values should be enclosed in parenthesis
>> #64: FILE: target/arm/cpu-sysregs.h:29:
>> +#define DEF(NAME, OP0, OP1, CRN, CRM, OP2) \
>> + SYS_##NAME = ENCODE_ID_REG(OP0, OP1, CRN, CRM, OP2),
>>
>> ERROR: Macros with complex values should be enclosed in parenthesis
>> #203: FILE: target/arm/cpu64.c:40:
>> +#define DEF(NAME, OP0, OP1, CRN, CRM, OP2) \
>> + [NAME##_IDX] = SYS_##NAME,
>
> This is checkpatch not being able to cope with more complex
> uses of the preprocessor; the warning only makes sense for
> "acts like a function" macros.
Yep, that's why I ignored it.
In general, should we mention that we intentionally ignored
checkpatch.pl feedback, or would that be just noise?
^ permalink raw reply [flat|nested] 30+ messages in thread
* Re: [PATCH v8 00/14] arm: rework id register storage
2025-06-17 15:39 [PATCH v8 00/14] arm: rework id register storage Cornelia Huck
` (14 preceding siblings ...)
2025-06-25 9:10 ` [PATCH v8 00/14] arm: rework id register storage Eric Auger
@ 2025-06-30 10:04 ` Cornelia Huck
2025-06-30 15:25 ` Peter Maydell
16 siblings, 0 replies; 30+ messages in thread
From: Cornelia Huck @ 2025-06-30 10:04 UTC (permalink / raw)
To: eric.auger.pro, eric.auger, qemu-devel, qemu-arm, kvmarm,
peter.maydell, richard.henderson, alex.bennee, maz, oliver.upton,
sebott, shameerali.kolothum.thodi, armbru, berrange, abologna,
jdenemar, agraf
On Tue, Jun 17 2025, Cornelia Huck <cohuck@redhat.com> wrote:
> Mostly addressed Peter's feedback:
> - make sure every inbetween stage compiles (also fixed some bonus issues)
> - try to make the scripts more robust, add a note the generated file,
> and make sure to grab only registers we actually want
> - I did a half-hearted attempt to use python instead of awk, but I'm
> out of my depth, especially with the script that will be used for
> the register fields in the cpu models series
>
> Also available at
> https://gitlab.com/cohuck/qemu/-/commits/arm-rework-idreg-storage-v8
This still seems to apply cleanly... can it go in as-is, or should I
respin to shorten the long line in kvm.c?
^ permalink raw reply [flat|nested] 30+ messages in thread
* Re: [PATCH v8 13/14] arm/cpu: switch to a generated cpu-sysregs.h.inc
2025-06-17 15:39 ` [PATCH v8 13/14] arm/cpu: switch to a generated cpu-sysregs.h.inc Cornelia Huck
@ 2025-06-30 15:23 ` Peter Maydell
2025-07-01 16:06 ` Cornelia Huck
0 siblings, 1 reply; 30+ messages in thread
From: Peter Maydell @ 2025-06-30 15:23 UTC (permalink / raw)
To: Cornelia Huck
Cc: eric.auger.pro, eric.auger, qemu-devel, qemu-arm, kvmarm,
richard.henderson, alex.bennee, maz, oliver.upton, sebott,
shameerali.kolothum.thodi, armbru, berrange, abologna, jdenemar,
agraf, shahuang, mark.rutland, philmd, pbonzini
On Tue, 17 Jun 2025 at 16:41, Cornelia Huck <cohuck@redhat.com> wrote:
>
> Generated against Linux 6.15.
>
> Reviewed-by: Sebastian Ott <sebott@redhat.com>
> Reviewed-by: Eric Auger <eric.auger@redhat.com>
> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Stripping out all the lines that just moved around,
here are the additions:
> +DEF(ID_AFR0_EL1, 3, 0, 0, 1, 3)
This is ARMCPU::id_afr0. If we want to store this in
the idregs[] array that's fine but we ought to move it.
> +DEF(ID_AA64PFR2_EL1, 3, 0, 0, 4, 2)
> +DEF(ID_AA64FPFR0_EL1, 3, 0, 0, 4, 7)
> +DEF(ID_AA64DFR2_EL1, 3, 0, 0, 5, 2)
These are all ID registers we don't implement yet
because we don't implement any features that are
described in them (i.e. our implementation is RAZ/WI).
I guess it's OK to list them here, though we won't
do anything with the array entry.
> +DEF(ID_AA64AFR0_EL1, 3, 0, 0, 5, 4)
ARMCPU::id_aa64afr0
> +DEF(ID_AA64AFR1_EL1, 3, 0, 0, 5, 5)
ARMCPU::id_aa64afr1
> +DEF(ID_AA64ISAR3_EL1, 3, 0, 0, 6, 3)
> +DEF(ID_AA64MMFR4_EL1, 3, 0, 0, 7, 4)
More ID regs for features we don't implement yet.
> +DEF(CCSIDR_EL1, 3, 1, 0, 0, 0)
CCSIDR_EL1 isn't a single ID register, it's an array
of them (indexed by CCSELR_EL1). We keep them in
ARMCPU::ccsidr[]. I don't think it makes sense to
have an entry in isar.idregs[] for this.
> +DEF(CLIDR_EL1, 3, 1, 0, 0, 1)
ARMCPU::clidr
> +DEF(CCSIDR2_EL1, 3, 1, 0, 0, 2)
This is an array too.
> +DEF(GMID_EL1, 3, 1, 0, 0, 4)
Another ID register for a feature we don't yet implement
(and a slightly oddball one in that it should UNDEF
until we do implement FEAT_MTE2).
> +DEF(SMIDR_EL1, 3, 1, 0, 0, 6)
We implement this as a fixed zero in helper.c.
> +DEF(DCZID_EL0, 3, 3, 0, 0, 7)
We construct the value of this one in aa64_dczid_read()
based on ARMCPU::dcz_blocksize plus some runtime info.
-- PMM
^ permalink raw reply [flat|nested] 30+ messages in thread
* Re: [PATCH v8 00/14] arm: rework id register storage
2025-06-17 15:39 [PATCH v8 00/14] arm: rework id register storage Cornelia Huck
` (15 preceding siblings ...)
2025-06-30 10:04 ` Cornelia Huck
@ 2025-06-30 15:25 ` Peter Maydell
2025-06-30 16:02 ` Cornelia Huck
16 siblings, 1 reply; 30+ messages in thread
From: Peter Maydell @ 2025-06-30 15:25 UTC (permalink / raw)
To: Cornelia Huck
Cc: eric.auger.pro, eric.auger, qemu-devel, qemu-arm, kvmarm,
richard.henderson, alex.bennee, maz, oliver.upton, sebott,
shameerali.kolothum.thodi, armbru, berrange, abologna, jdenemar,
agraf, shahuang, mark.rutland, philmd, pbonzini
On Tue, 17 Jun 2025 at 16:39, Cornelia Huck <cohuck@redhat.com> wrote:
>
> Mostly addressed Peter's feedback:
> - make sure every inbetween stage compiles (also fixed some bonus issues)
> - try to make the scripts more robust, add a note the generated file,
> and make sure to grab only registers we actually want
> - I did a half-hearted attempt to use python instead of awk, but I'm
> out of my depth, especially with the script that will be used for
> the register fields in the cpu models series
>
> Also available at
> https://gitlab.com/cohuck/qemu/-/commits/arm-rework-idreg-storage-v8
The script seems to be creating array entries for some registers
it should not still; I've left comments on that patch.
I've taken patches 1-11 and 14 into target-arm.next so you don't
have to keep rebasing them.
thanks
-- PMM
^ permalink raw reply [flat|nested] 30+ messages in thread
* Re: [PATCH v8 00/14] arm: rework id register storage
2025-06-30 15:25 ` Peter Maydell
@ 2025-06-30 16:02 ` Cornelia Huck
0 siblings, 0 replies; 30+ messages in thread
From: Cornelia Huck @ 2025-06-30 16:02 UTC (permalink / raw)
To: Peter Maydell
Cc: eric.auger.pro, eric.auger, qemu-devel, qemu-arm, kvmarm,
richard.henderson, alex.bennee, maz, oliver.upton, sebott,
shameerali.kolothum.thodi, armbru, berrange, abologna, jdenemar,
agraf, shahuang, mark.rutland, philmd, pbonzini
On Mon, Jun 30 2025, Peter Maydell <peter.maydell@linaro.org> wrote:
> On Tue, 17 Jun 2025 at 16:39, Cornelia Huck <cohuck@redhat.com> wrote:
>>
>> Mostly addressed Peter's feedback:
>> - make sure every inbetween stage compiles (also fixed some bonus issues)
>> - try to make the scripts more robust, add a note the generated file,
>> and make sure to grab only registers we actually want
>> - I did a half-hearted attempt to use python instead of awk, but I'm
>> out of my depth, especially with the script that will be used for
>> the register fields in the cpu models series
>>
>> Also available at
>> https://gitlab.com/cohuck/qemu/-/commits/arm-rework-idreg-storage-v8
>
> The script seems to be creating array entries for some registers
> it should not still; I've left comments on that patch.
Hmn, will double-check.
>
> I've taken patches 1-11 and 14 into target-arm.next so you don't
> have to keep rebasing them.
Thanks!
^ permalink raw reply [flat|nested] 30+ messages in thread
* Re: [PATCH v8 13/14] arm/cpu: switch to a generated cpu-sysregs.h.inc
2025-06-30 15:23 ` Peter Maydell
@ 2025-07-01 16:06 ` Cornelia Huck
2025-07-01 16:49 ` Peter Maydell
0 siblings, 1 reply; 30+ messages in thread
From: Cornelia Huck @ 2025-07-01 16:06 UTC (permalink / raw)
To: Peter Maydell
Cc: eric.auger.pro, eric.auger, qemu-devel, qemu-arm, kvmarm,
richard.henderson, alex.bennee, maz, oliver.upton, sebott,
shameerali.kolothum.thodi, armbru, berrange, abologna, jdenemar,
agraf, shahuang, mark.rutland, philmd, pbonzini
On Mon, Jun 30 2025, Peter Maydell <peter.maydell@linaro.org> wrote:
> On Tue, 17 Jun 2025 at 16:41, Cornelia Huck <cohuck@redhat.com> wrote:
>>
>> Generated against Linux 6.15.
>>
>> Reviewed-by: Sebastian Ott <sebott@redhat.com>
>> Reviewed-by: Eric Auger <eric.auger@redhat.com>
>> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
>
> Stripping out all the lines that just moved around,
> here are the additions:
>
>> +DEF(ID_AFR0_EL1, 3, 0, 0, 1, 3)
>
> This is ARMCPU::id_afr0. If we want to store this in
> the idregs[] array that's fine but we ought to move it.
>
I guess the *afr* regs fell into the cracks because they were not in the
isar struct -- makes sense to move them.
(This reg "must be interpreted with" MIDR_EL1; I'm wondering if that has
any implications once we enlighten guests with possible midr/revidr/aidr
values.)
>> +DEF(ID_AA64PFR2_EL1, 3, 0, 0, 4, 2)
>
>> +DEF(ID_AA64FPFR0_EL1, 3, 0, 0, 4, 7)
>
>> +DEF(ID_AA64DFR2_EL1, 3, 0, 0, 5, 2)
>
> These are all ID registers we don't implement yet
> because we don't implement any features that are
> described in them (i.e. our implementation is RAZ/WI).
> I guess it's OK to list them here, though we won't
> do anything with the array entry.
I don't think it hurts to include them, it makes things easier when we
want to deal with non-zero values in there via kvm.
>
>> +DEF(ID_AA64AFR0_EL1, 3, 0, 0, 5, 4)
>
> ARMCPU::id_aa64afr0
>
>> +DEF(ID_AA64AFR1_EL1, 3, 0, 0, 5, 5)
>
> ARMCPU::id_aa64afr1
>
>> +DEF(ID_AA64ISAR3_EL1, 3, 0, 0, 6, 3)
>
>> +DEF(ID_AA64MMFR4_EL1, 3, 0, 0, 7, 4)
>
> More ID regs for features we don't implement yet.
>
>> +DEF(CCSIDR_EL1, 3, 1, 0, 0, 0)
>
> CCSIDR_EL1 isn't a single ID register, it's an array
> of them (indexed by CCSELR_EL1). We keep them in
> ARMCPU::ccsidr[]. I don't think it makes sense to
> have an entry in isar.idregs[] for this.
Hm, IIUC, kvm gets the correct CCSIDR_EL1 under the covers already
(i.e. no array).
>
>> +DEF(CLIDR_EL1, 3, 1, 0, 0, 1)
>
> ARMCPU::clidr
>
>> +DEF(CCSIDR2_EL1, 3, 1, 0, 0, 2)
>
> This is an array too.
Currently, kvm handles this as undef.
(I think the whole cache stuff might be a bit of a headache.)
>
>> +DEF(GMID_EL1, 3, 1, 0, 0, 4)
>
> Another ID register for a feature we don't yet implement
> (and a slightly oddball one in that it should UNDEF
> until we do implement FEAT_MTE2).
>
>> +DEF(SMIDR_EL1, 3, 1, 0, 0, 6)
>
> We implement this as a fixed zero in helper.c.
Undef in kvm.
>
>> +DEF(DCZID_EL0, 3, 3, 0, 0, 7)
>
> We construct the value of this one in aa64_dczid_read()
> based on ARMCPU::dcz_blocksize plus some runtime info.
That one's another bit of a headache (I didn't manage to spot kvm code
dealing with it.)
I'll move the *afr* ones, not yet quite sure how to deal with the cache
related ones.
^ permalink raw reply [flat|nested] 30+ messages in thread
* Re: [PATCH v8 13/14] arm/cpu: switch to a generated cpu-sysregs.h.inc
2025-07-01 16:06 ` Cornelia Huck
@ 2025-07-01 16:49 ` Peter Maydell
2025-07-02 9:01 ` Cornelia Huck
0 siblings, 1 reply; 30+ messages in thread
From: Peter Maydell @ 2025-07-01 16:49 UTC (permalink / raw)
To: Cornelia Huck
Cc: eric.auger.pro, eric.auger, qemu-devel, qemu-arm, kvmarm,
richard.henderson, alex.bennee, maz, oliver.upton, sebott,
shameerali.kolothum.thodi, armbru, berrange, abologna, jdenemar,
agraf, shahuang, mark.rutland, philmd, pbonzini
On Tue, 1 Jul 2025 at 17:07, Cornelia Huck <cohuck@redhat.com> wrote:
>
> On Mon, Jun 30 2025, Peter Maydell <peter.maydell@linaro.org> wrote:
>
> > On Tue, 17 Jun 2025 at 16:41, Cornelia Huck <cohuck@redhat.com> wrote:
> >>
> >> Generated against Linux 6.15.
> >>
> >> Reviewed-by: Sebastian Ott <sebott@redhat.com>
> >> Reviewed-by: Eric Auger <eric.auger@redhat.com>
> >> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
> >
> > Stripping out all the lines that just moved around,
> > here are the additions:
> >
> >> +DEF(ID_AFR0_EL1, 3, 0, 0, 1, 3)
> >
> > This is ARMCPU::id_afr0. If we want to store this in
> > the idregs[] array that's fine but we ought to move it.
> >
>
> I guess the *afr* regs fell into the cracks because they were not in the
> isar struct -- makes sense to move them.
>
> (This reg "must be interpreted with" MIDR_EL1; I'm wondering if that has
> any implications once we enlighten guests with possible midr/revidr/aidr
> values.)
It just means that the contents are entirely implementation
defined, so you can't tell what they mean unless you first
look at MIDR_EL1 to find out what your implementation is.
(Linux doesn't appear to ever look at the AFR0 registers.)
> >> +DEF(ID_AA64PFR2_EL1, 3, 0, 0, 4, 2)
> >
> >> +DEF(ID_AA64FPFR0_EL1, 3, 0, 0, 4, 7)
> >
> >> +DEF(ID_AA64DFR2_EL1, 3, 0, 0, 5, 2)
> >
> > These are all ID registers we don't implement yet
> > because we don't implement any features that are
> > described in them (i.e. our implementation is RAZ/WI).
> > I guess it's OK to list them here, though we won't
> > do anything with the array entry.
>
> I don't think it hurts to include them, it makes things easier when we
> want to deal with non-zero values in there via kvm.
>
> >
> >> +DEF(ID_AA64AFR0_EL1, 3, 0, 0, 5, 4)
> >
> > ARMCPU::id_aa64afr0
> >
> >> +DEF(ID_AA64AFR1_EL1, 3, 0, 0, 5, 5)
> >
> > ARMCPU::id_aa64afr1
> >
> >> +DEF(ID_AA64ISAR3_EL1, 3, 0, 0, 6, 3)
> >
> >> +DEF(ID_AA64MMFR4_EL1, 3, 0, 0, 7, 4)
> >
> > More ID regs for features we don't implement yet.
> >
> >> +DEF(CCSIDR_EL1, 3, 1, 0, 0, 0)
> >
> > CCSIDR_EL1 isn't a single ID register, it's an array
> > of them (indexed by CCSELR_EL1). We keep them in
> > ARMCPU::ccsidr[]. I don't think it makes sense to
> > have an entry in isar.idregs[] for this.
>
> Hm, IIUC, kvm gets the correct CCSIDR_EL1 under the covers already
> (i.e. no array).
There's support in the KVM GET_ONE_REG API for reading
and writing the full array (see KVM_REG_ARM_DEMUX_ID_CCSIDR).
We just don't bother in QEMU at the moment because we never
need the values in userspace.
> >> +DEF(CLIDR_EL1, 3, 1, 0, 0, 1)
> >
> > ARMCPU::clidr
> >
> >> +DEF(CCSIDR2_EL1, 3, 1, 0, 0, 2)
> >
> > This is an array too.
>
> Currently, kvm handles this as undef.
That seems like a missing feature in KVM -- it ought to be
implemented on anything where ID_AA64MMFR2.CCIDX says
we have FEAT_CCIDX (which means that the whole cache ID
format changes and the info is split between CCSIDR
and CCSIDR2).
> >> +DEF(GMID_EL1, 3, 1, 0, 0, 4)
> >
> > Another ID register for a feature we don't yet implement
> > (and a slightly oddball one in that it should UNDEF
> > until we do implement FEAT_MTE2).
> >
> >> +DEF(SMIDR_EL1, 3, 1, 0, 0, 6)
> >
> > We implement this as a fixed zero in helper.c.
>
> Undef in kvm.
Probably because KVM doesn't have support for SME in
guests yet ?
> >
> >> +DEF(DCZID_EL0, 3, 3, 0, 0, 7)
> >
> > We construct the value of this one in aa64_dczid_read()
> > based on ARMCPU::dcz_blocksize plus some runtime info.
>
> That one's another bit of a headache (I didn't manage to spot kvm code
> dealing with it.)
The hardware handles it for you -- inside the guest, the
value of the DZP bit depends on HCR_EL2.TDZ (and maybe also
SCTLR_EL1.DZE). The value of DCZID_EL0.BS has to match the
real host CPU anyway because you can't change the block
size that the DC ZVA insn is going to use. (You could
trap DCZID_EL0 accesses via HFGRTR_EL2.DCZID_EL0 if you really
wanted to, but you'd also need to trap-and-emulate the
DC ZVA insns, which is a lot of effort for something
no guest is really going to notice the difference on.)
-- PMM
^ permalink raw reply [flat|nested] 30+ messages in thread
* Re: [PATCH v8 13/14] arm/cpu: switch to a generated cpu-sysregs.h.inc
2025-07-01 16:49 ` Peter Maydell
@ 2025-07-02 9:01 ` Cornelia Huck
0 siblings, 0 replies; 30+ messages in thread
From: Cornelia Huck @ 2025-07-02 9:01 UTC (permalink / raw)
To: Peter Maydell
Cc: eric.auger.pro, eric.auger, qemu-devel, qemu-arm, kvmarm,
richard.henderson, alex.bennee, maz, oliver.upton, sebott,
shameerali.kolothum.thodi, armbru, berrange, abologna, jdenemar,
agraf, shahuang, mark.rutland, philmd, pbonzini
On Tue, Jul 01 2025, Peter Maydell <peter.maydell@linaro.org> wrote:
> On Tue, 1 Jul 2025 at 17:07, Cornelia Huck <cohuck@redhat.com> wrote:
>>
>> On Mon, Jun 30 2025, Peter Maydell <peter.maydell@linaro.org> wrote:
>>
>> > On Tue, 17 Jun 2025 at 16:41, Cornelia Huck <cohuck@redhat.com> wrote:
>> >>
>> >> Generated against Linux 6.15.
>> >>
>> >> Reviewed-by: Sebastian Ott <sebott@redhat.com>
>> >> Reviewed-by: Eric Auger <eric.auger@redhat.com>
>> >> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
>> >
>> > Stripping out all the lines that just moved around,
>> > here are the additions:
>> >
>> >> +DEF(ID_AFR0_EL1, 3, 0, 0, 1, 3)
>> >
>> > This is ARMCPU::id_afr0. If we want to store this in
>> > the idregs[] array that's fine but we ought to move it.
>> >
>>
>> I guess the *afr* regs fell into the cracks because they were not in the
>> isar struct -- makes sense to move them.
>>
>> (This reg "must be interpreted with" MIDR_EL1; I'm wondering if that has
>> any implications once we enlighten guests with possible midr/revidr/aidr
>> values.)
>
> It just means that the contents are entirely implementation
> defined, so you can't tell what they mean unless you first
> look at MIDR_EL1 to find out what your implementation is.
Would we need to provide multiple afr options then once we allow to
specify multiple values of MIDR and friends?
>
> (Linux doesn't appear to ever look at the AFR0 registers.)
Or ignore it for now...
>
>> >> +DEF(ID_AA64PFR2_EL1, 3, 0, 0, 4, 2)
>> >
>> >> +DEF(ID_AA64FPFR0_EL1, 3, 0, 0, 4, 7)
>> >
>> >> +DEF(ID_AA64DFR2_EL1, 3, 0, 0, 5, 2)
>> >
>> > These are all ID registers we don't implement yet
>> > because we don't implement any features that are
>> > described in them (i.e. our implementation is RAZ/WI).
>> > I guess it's OK to list them here, though we won't
>> > do anything with the array entry.
>>
>> I don't think it hurts to include them, it makes things easier when we
>> want to deal with non-zero values in there via kvm.
>>
>> >
>> >> +DEF(ID_AA64AFR0_EL1, 3, 0, 0, 5, 4)
>> >
>> > ARMCPU::id_aa64afr0
>> >
>> >> +DEF(ID_AA64AFR1_EL1, 3, 0, 0, 5, 5)
>> >
>> > ARMCPU::id_aa64afr1
>> >
>> >> +DEF(ID_AA64ISAR3_EL1, 3, 0, 0, 6, 3)
>> >
>> >> +DEF(ID_AA64MMFR4_EL1, 3, 0, 0, 7, 4)
>> >
>> > More ID regs for features we don't implement yet.
>> >
>> >> +DEF(CCSIDR_EL1, 3, 1, 0, 0, 0)
>> >
>> > CCSIDR_EL1 isn't a single ID register, it's an array
>> > of them (indexed by CCSELR_EL1). We keep them in
>> > ARMCPU::ccsidr[]. I don't think it makes sense to
>> > have an entry in isar.idregs[] for this.
>>
>> Hm, IIUC, kvm gets the correct CCSIDR_EL1 under the covers already
>> (i.e. no array).
>
> There's support in the KVM GET_ONE_REG API for reading
> and writing the full array (see KVM_REG_ARM_DEMUX_ID_CCSIDR).
> We just don't bother in QEMU at the moment because we never
> need the values in userspace.
We could manually exclude things like CCSIDR_EL1, but is it worth the
effort if it's simply present?
>
>> >> +DEF(CLIDR_EL1, 3, 1, 0, 0, 1)
>> >
>> > ARMCPU::clidr
>> >
>> >> +DEF(CCSIDR2_EL1, 3, 1, 0, 0, 2)
>> >
>> > This is an array too.
>>
>> Currently, kvm handles this as undef.
>
> That seems like a missing feature in KVM -- it ought to be
> implemented on anything where ID_AA64MMFR2.CCIDX says
> we have FEAT_CCIDX (which means that the whole cache ID
> format changes and the info is split between CCSIDR
> and CCSIDR2).
>
>> >> +DEF(GMID_EL1, 3, 1, 0, 0, 4)
>> >
>> > Another ID register for a feature we don't yet implement
>> > (and a slightly oddball one in that it should UNDEF
>> > until we do implement FEAT_MTE2).
>> >
>> >> +DEF(SMIDR_EL1, 3, 1, 0, 0, 6)
>> >
>> > We implement this as a fixed zero in helper.c.
>>
>> Undef in kvm.
>
> Probably because KVM doesn't have support for SME in
> guests yet ?
Once we do get support for it in kvm, it would make sense to have it in
place already, and it probably won't conflict with the fixed definition
in tcg code, right?
>
>> >
>> >> +DEF(DCZID_EL0, 3, 3, 0, 0, 7)
>> >
>> > We construct the value of this one in aa64_dczid_read()
>> > based on ARMCPU::dcz_blocksize plus some runtime info.
>>
>> That one's another bit of a headache (I didn't manage to spot kvm code
>> dealing with it.)
>
> The hardware handles it for you -- inside the guest, the
> value of the DZP bit depends on HCR_EL2.TDZ (and maybe also
> SCTLR_EL1.DZE). The value of DCZID_EL0.BS has to match the
> real host CPU anyway because you can't change the block
> size that the DC ZVA insn is going to use. (You could
> trap DCZID_EL0 accesses via HFGRTR_EL2.DCZID_EL0 if you really
> wanted to, but you'd also need to trap-and-emulate the
> DC ZVA insns, which is a lot of effort for something
> no guest is really going to notice the difference on.)
So I guess it wouldn't hurt to include this in the array?
My basic question is: Do we need to exclude certain registers from being
included in the autogenerated list and derived code? (On the flip side,
once we add the code that discovers registers writable via kvm, we also
found that we need some registers not in the source file...)
^ permalink raw reply [flat|nested] 30+ messages in thread
end of thread, other threads:[~2025-07-02 9:02 UTC | newest]
Thread overview: 30+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2025-06-17 15:39 [PATCH v8 00/14] arm: rework id register storage Cornelia Huck
2025-06-17 15:39 ` [PATCH v8 01/14] arm/cpu: Add sysreg definitions in cpu-sysregs.h Cornelia Huck
2025-06-17 15:39 ` [PATCH v8 02/14] arm/cpu: Store aa64isar0/aa64zfr0 into the idregs arrays Cornelia Huck
2025-06-17 15:39 ` [PATCH v8 03/14] arm/cpu: Store aa64isar1/2 into the idregs array Cornelia Huck
2025-06-17 15:39 ` [PATCH v8 04/14] arm/cpu: Store aa64pfr0/1 " Cornelia Huck
2025-06-17 15:39 ` [PATCH v8 05/14] arm/cpu: Store aa64mmfr0-3 " Cornelia Huck
2025-06-17 15:39 ` [PATCH v8 06/14] arm/cpu: Store aa64dfr0/1 " Cornelia Huck
2025-06-17 15:39 ` [PATCH v8 07/14] arm/cpu: Store aa64smfr0 " Cornelia Huck
2025-06-17 15:39 ` [PATCH v8 08/14] arm/cpu: Store id_isar0-7 " Cornelia Huck
2025-06-17 15:39 ` [PATCH v8 09/14] arm/cpu: Store id_pfr0/1/2 " Cornelia Huck
2025-06-17 15:39 ` [PATCH v8 10/14] arm/cpu: Store id_dfr0/1 " Cornelia Huck
2025-06-17 15:39 ` [PATCH v8 11/14] arm/cpu: Store id_mmfr0-5 " Cornelia Huck
2025-06-17 15:39 ` [PATCH v8 12/14] arm/cpu: Add sysreg generation scripts Cornelia Huck
2025-06-17 15:45 ` Cornelia Huck
2025-06-25 9:16 ` Eric Auger
2025-06-25 9:23 ` Daniel P. Berrangé
2025-06-25 9:31 ` Eric Auger
2025-06-25 9:24 ` Cornelia Huck
2025-06-17 15:39 ` [PATCH v8 13/14] arm/cpu: switch to a generated cpu-sysregs.h.inc Cornelia Huck
2025-06-30 15:23 ` Peter Maydell
2025-07-01 16:06 ` Cornelia Huck
2025-07-01 16:49 ` Peter Maydell
2025-07-02 9:01 ` Cornelia Huck
2025-06-17 15:39 ` [PATCH v8 14/14] arm/kvm: use fd instead of fdarray[2] Cornelia Huck
2025-06-25 9:10 ` [PATCH v8 00/14] arm: rework id register storage Eric Auger
2025-06-25 10:14 ` Peter Maydell
2025-06-25 16:37 ` Cornelia Huck
2025-06-30 10:04 ` Cornelia Huck
2025-06-30 15:25 ` Peter Maydell
2025-06-30 16:02 ` Cornelia Huck
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