* [PATCH v2 00/14] arm: rework id register storage
@ 2025-03-05 16:38 Cornelia Huck
2025-03-05 16:38 ` [PATCH v2 01/14] arm/cpu: Add sysreg definitions in cpu-sysregs.h Cornelia Huck
` (13 more replies)
0 siblings, 14 replies; 19+ messages in thread
From: Cornelia Huck @ 2025-03-05 16:38 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
[Oh, it's been about a month since I posted the last version of this :/
Unfortunately, life happened. I still do plan to post a rebase of the
cpu model patches on top of this.]
Original cover letter below.
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?)
Also available at
https://gitlab.com/cohuck/qemu/-/commits/arm-rework-idreg-storage-v2
<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>
Cornelia Huck (2):
arm/kvm: add accessors for storing host features into idregs
arm/cpu: Add generated files
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
hw/intc/armv7m_nvic.c | 27 +-
scripts/gen-cpu-sysregs-header.awk | 70 ++++
scripts/update-aarch64-sysreg-code.sh | 35 ++
target/arm/cpu-features.h | 317 +++++++++---------
target/arm/cpu-sysregs.h | 22 ++
target/arm/cpu-sysregs.h.inc | 167 ++++++++++
target/arm/cpu.c | 111 +++----
target/arm/cpu.h | 80 +++--
target/arm/cpu64.c | 131 ++++----
target/arm/helper.c | 68 ++--
target/arm/hvf/hvf.c | 36 +-
target/arm/internals.h | 6 +-
target/arm/kvm.c | 119 +++----
target/arm/ptw.c | 6 +-
target/arm/tcg/cpu-v7m.c | 174 +++++-----
target/arm/tcg/cpu32.c | 320 +++++++++---------
target/arm/tcg/cpu64.c | 460 +++++++++++++-------------
17 files changed, 1230 insertions(+), 919 deletions(-)
create mode 100755 scripts/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
--
2.48.1
^ permalink raw reply [flat|nested] 19+ messages in thread
* [PATCH v2 01/14] arm/cpu: Add sysreg definitions in cpu-sysregs.h
2025-03-05 16:38 [PATCH v2 00/14] arm: rework id register storage Cornelia Huck
@ 2025-03-05 16:38 ` Cornelia Huck
2025-03-06 1:14 ` Richard Henderson
2025-03-05 16:38 ` [PATCH v2 02/14] arm/kvm: add accessors for storing host features into idregs Cornelia Huck
` (12 subsequent siblings)
13 siblings, 1 reply; 19+ messages in thread
From: Cornelia Huck @ 2025-03-05 16:38 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]
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
---
target/arm/cpu-sysregs.h | 131 +++++++++++++++++++++++++++++++++++++++
target/arm/cpu.h | 49 +++++++++++++++
2 files changed, 180 insertions(+)
create mode 100644 target/arm/cpu-sysregs.h
diff --git a/target/arm/cpu-sysregs.h b/target/arm/cpu-sysregs.h
new file mode 100644
index 000000000000..de09ebae91a5
--- /dev/null
+++ b/target/arm/cpu-sysregs.h
@@ -0,0 +1,131 @@
+#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))
+
+typedef enum ARMIDRegisterIdx {
+ ID_AA64PFR0_EL1_IDX,
+ ID_AA64PFR1_EL1_IDX,
+ ID_AA64SMFR0_EL1_IDX,
+ ID_AA64DFR0_EL1_IDX,
+ ID_AA64DFR1_EL1_IDX,
+ ID_AA64ISAR0_EL1_IDX,
+ ID_AA64ISAR1_EL1_IDX,
+ ID_AA64ISAR2_EL1_IDX,
+ ID_AA64MMFR0_EL1_IDX,
+ ID_AA64MMFR1_EL1_IDX,
+ ID_AA64MMFR2_EL1_IDX,
+ ID_AA64MMFR3_EL1_IDX,
+ ID_PFR0_EL1_IDX,
+ ID_PFR1_EL1_IDX,
+ ID_DFR0_EL1_IDX,
+ ID_MMFR0_EL1_IDX,
+ ID_MMFR1_EL1_IDX,
+ ID_MMFR2_EL1_IDX,
+ ID_MMFR3_EL1_IDX,
+ ID_ISAR0_EL1_IDX,
+ ID_ISAR1_EL1_IDX,
+ ID_ISAR2_EL1_IDX,
+ ID_ISAR3_EL1_IDX,
+ ID_ISAR4_EL1_IDX,
+ ID_ISAR5_EL1_IDX,
+ ID_MMFR4_EL1_IDX,
+ ID_ISAR6_EL1_IDX,
+ MVFR0_EL1_IDX,
+ MVFR1_EL1_IDX,
+ MVFR2_EL1_IDX,
+ ID_PFR2_EL1_IDX,
+ ID_DFR1_EL1_IDX,
+ ID_MMFR5_EL1_IDX,
+ ID_AA64ZFR0_EL1_IDX,
+ CTR_EL0_IDX,
+ NUM_ID_IDX,
+} ARMIDRegisterIdx;
+
+typedef enum ARMSysRegs {
+ SYS_ID_AA64PFR0_EL1 = ENCODE_ID_REG(3, 0, 0, 4, 0),
+ SYS_ID_AA64PFR1_EL1 = ENCODE_ID_REG(3, 0, 0, 4, 1),
+ SYS_ID_AA64SMFR0_EL1 = ENCODE_ID_REG(3, 0, 0, 4, 5),
+ SYS_ID_AA64DFR0_EL1 = ENCODE_ID_REG(3, 0, 0, 5, 0),
+ SYS_ID_AA64DFR1_EL1 = ENCODE_ID_REG(3, 0, 0, 5, 1),
+ SYS_ID_AA64ISAR0_EL1 = ENCODE_ID_REG(3, 0, 0, 6, 0),
+ SYS_ID_AA64ISAR1_EL1 = ENCODE_ID_REG(3, 0, 0, 6, 1),
+ SYS_ID_AA64ISAR2_EL1 = ENCODE_ID_REG(3, 0, 0, 6, 2),
+ SYS_ID_AA64MMFR0_EL1 = ENCODE_ID_REG(3, 0, 0, 7, 0),
+ SYS_ID_AA64MMFR1_EL1 = ENCODE_ID_REG(3, 0, 0, 7, 1),
+ SYS_ID_AA64MMFR2_EL1 = ENCODE_ID_REG(3, 0, 0, 7, 2),
+ SYS_ID_AA64MMFR3_EL1 = ENCODE_ID_REG(3, 0, 0, 7, 3),
+ SYS_ID_PFR0_EL1 = ENCODE_ID_REG(3, 0, 0, 1, 0),
+ SYS_ID_PFR1_EL1 = ENCODE_ID_REG(3, 0, 0, 1, 1),
+ SYS_ID_DFR0_EL1 = ENCODE_ID_REG(3, 0, 0, 1, 2),
+ SYS_ID_MMFR0_EL1 = ENCODE_ID_REG(3, 0, 0, 1, 4),
+ SYS_ID_MMFR1_EL1 = ENCODE_ID_REG(3, 0, 0, 1, 5),
+ SYS_ID_MMFR2_EL1 = ENCODE_ID_REG(3, 0, 0, 1, 6),
+ SYS_ID_MMFR3_EL1 = ENCODE_ID_REG(3, 0, 0, 1, 7),
+ SYS_ID_ISAR0_EL1 = ENCODE_ID_REG(3, 0, 0, 2, 0),
+ SYS_ID_ISAR1_EL1 = ENCODE_ID_REG(3, 0, 0, 2, 1),
+ SYS_ID_ISAR2_EL1 = ENCODE_ID_REG(3, 0, 0, 2, 2),
+ SYS_ID_ISAR3_EL1 = ENCODE_ID_REG(3, 0, 0, 2, 3),
+ SYS_ID_ISAR4_EL1 = ENCODE_ID_REG(3, 0, 0, 2, 4),
+ SYS_ID_ISAR5_EL1 = ENCODE_ID_REG(3, 0, 0, 2, 5),
+ SYS_ID_MMFR4_EL1 = ENCODE_ID_REG(3, 0, 0, 2, 6),
+ SYS_ID_ISAR6_EL1 = ENCODE_ID_REG(3, 0, 0, 2, 7),
+ SYS_MVFR0_EL1 = ENCODE_ID_REG(3, 0, 0, 3, 0),
+ SYS_MVFR1_EL1 = ENCODE_ID_REG(3, 0, 0, 3, 1),
+ SYS_MVFR2_EL1 = ENCODE_ID_REG(3, 0, 0, 3, 2),
+ SYS_ID_PFR2_EL1 = ENCODE_ID_REG(3, 0, 0, 3, 4),
+ SYS_ID_DFR1_EL1 = ENCODE_ID_REG(3, 0, 0, 3, 5),
+ SYS_ID_MMFR5_EL1 = ENCODE_ID_REG(3, 0, 0, 3, 6),
+ SYS_ID_AA64ZFR0_EL1 = ENCODE_ID_REG(3, 0, 0, 4, 4),
+ SYS_CTR_EL0 = ENCODE_ID_REG(3, 3, 0, 0, 1),
+} ARMSysRegs;
+
+static const uint32_t id_register_sysreg[NUM_ID_IDX] = {
+ [ID_AA64PFR0_EL1_IDX] = SYS_ID_AA64PFR0_EL1,
+ [ID_AA64PFR1_EL1_IDX] = SYS_ID_AA64PFR1_EL1,
+ [ID_AA64SMFR0_EL1_IDX] = SYS_ID_AA64SMFR0_EL1,
+ [ID_AA64DFR0_EL1_IDX] = SYS_ID_AA64DFR0_EL1,
+ [ID_AA64DFR1_EL1_IDX] = SYS_ID_AA64DFR1_EL1,
+ [ID_AA64ISAR0_EL1_IDX] = SYS_ID_AA64ISAR0_EL1,
+ [ID_AA64ISAR1_EL1_IDX] = SYS_ID_AA64ISAR1_EL1,
+ [ID_AA64ISAR2_EL1_IDX] = SYS_ID_AA64ISAR2_EL1,
+ [ID_AA64MMFR0_EL1_IDX] = SYS_ID_AA64MMFR0_EL1,
+ [ID_AA64MMFR1_EL1_IDX] = SYS_ID_AA64MMFR1_EL1,
+ [ID_AA64MMFR2_EL1_IDX] = SYS_ID_AA64MMFR2_EL1,
+ [ID_AA64MMFR3_EL1_IDX] = SYS_ID_AA64MMFR3_EL1,
+ [ID_PFR0_EL1_IDX] = SYS_ID_PFR0_EL1,
+ [ID_PFR1_EL1_IDX] = SYS_ID_PFR1_EL1,
+ [ID_DFR0_EL1_IDX] = SYS_ID_DFR0_EL1,
+ [ID_MMFR0_EL1_IDX] = SYS_ID_MMFR0_EL1,
+ [ID_MMFR1_EL1_IDX] = SYS_ID_MMFR1_EL1,
+ [ID_MMFR2_EL1_IDX] = SYS_ID_MMFR2_EL1,
+ [ID_MMFR3_EL1_IDX] = SYS_ID_MMFR3_EL1,
+ [ID_ISAR0_EL1_IDX] = SYS_ID_ISAR0_EL1,
+ [ID_ISAR1_EL1_IDX] = SYS_ID_ISAR1_EL1,
+ [ID_ISAR2_EL1_IDX] = SYS_ID_ISAR2_EL1,
+ [ID_ISAR3_EL1_IDX] = SYS_ID_ISAR3_EL1,
+ [ID_ISAR4_EL1_IDX] = SYS_ID_ISAR4_EL1,
+ [ID_ISAR5_EL1_IDX] = SYS_ID_ISAR5_EL1,
+ [ID_MMFR4_EL1_IDX] = SYS_ID_MMFR4_EL1,
+ [ID_ISAR6_EL1_IDX] = SYS_ID_ISAR6_EL1,
+ [MVFR0_EL1_IDX] = SYS_MVFR0_EL1,
+ [MVFR1_EL1_IDX] = SYS_MVFR1_EL1,
+ [MVFR2_EL1_IDX] = SYS_MVFR2_EL1,
+ [ID_PFR2_EL1_IDX] = SYS_ID_PFR2_EL1,
+ [ID_DFR1_EL1_IDX] = SYS_ID_DFR1_EL1,
+ [ID_MMFR5_EL1_IDX] = SYS_ID_MMFR5_EL1,
+ [ID_AA64ZFR0_EL1_IDX] = SYS_ID_AA64ZFR0_EL1,
+ [CTR_EL0_IDX] = SYS_CTR_EL0,
+};
+
+#endif /* ARM_CPU_SYSREGS_H */
diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index 215845c7e256..60335f8893fa 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -30,6 +30,7 @@
#include "qapi/qapi-types-common.h"
#include "target/arm/multiprocessing.h"
#include "target/arm/gtimer.h"
+#include "target/arm/cpu-sysregs.h"
#ifdef TARGET_AARCH64
#define KVM_HAVE_MCE_INJECTION 1
@@ -855,6 +856,53 @@ 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
@@ -1063,6 +1111,7 @@ 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;
--
2.48.1
^ permalink raw reply related [flat|nested] 19+ messages in thread
* [PATCH v2 02/14] arm/kvm: add accessors for storing host features into idregs
2025-03-05 16:38 [PATCH v2 00/14] arm: rework id register storage Cornelia Huck
2025-03-05 16:38 ` [PATCH v2 01/14] arm/cpu: Add sysreg definitions in cpu-sysregs.h Cornelia Huck
@ 2025-03-05 16:38 ` Cornelia Huck
2025-03-06 1:15 ` Richard Henderson
2025-03-05 16:38 ` [PATCH v2 03/14] arm/cpu: Store aa64isar0/aa64zfr0 into the idregs arrays Cornelia Huck
` (11 subsequent siblings)
13 siblings, 1 reply; 19+ messages in thread
From: Cornelia Huck @ 2025-03-05 16:38 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
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
---
target/arm/cpu-sysregs.h | 3 +++
target/arm/cpu64.c | 25 +++++++++++++++++++++++++
target/arm/kvm.c | 12 ++++++++++++
3 files changed, 40 insertions(+)
diff --git a/target/arm/cpu-sysregs.h b/target/arm/cpu-sysregs.h
index de09ebae91a5..54a4fadbf0c1 100644
--- a/target/arm/cpu-sysregs.h
+++ b/target/arm/cpu-sysregs.h
@@ -128,4 +128,7 @@ static const uint32_t id_register_sysreg[NUM_ID_IDX] = {
[CTR_EL0_IDX] = SYS_CTR_EL0,
};
+int get_sysreg_idx(ARMSysRegs sysreg);
+uint64_t idregs_sysreg_to_kvm_reg(ARMSysRegs sysreg);
+
#endif /* ARM_CPU_SYSREGS_H */
diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c
index 8188ede5cc8a..9ae78253cb34 100644
--- a/target/arm/cpu64.c
+++ b/target/arm/cpu64.c
@@ -736,6 +736,31 @@ static void aarch64_a53_initfn(Object *obj)
define_cortex_a72_a57_a53_cp_reginfo(cpu);
}
+#ifdef CONFIG_KVM
+
+int get_sysreg_idx(ARMSysRegs sysreg)
+{
+ int i;
+
+ for (i = 0; i < NUM_ID_IDX; i++) {
+ if (id_register_sysreg[i] == sysreg) {
+ return i;
+ }
+ }
+ return -1;
+}
+
+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);
+}
+
+#endif
+
static void aarch64_host_initfn(Object *obj)
{
#if defined(CONFIG_KVM)
diff --git a/target/arm/kvm.c b/target/arm/kvm.c
index da30bdbb2349..2381c87e4ba1 100644
--- a/target/arm/kvm.c
+++ b/target/arm/kvm.c
@@ -246,6 +246,18 @@ static bool kvm_arm_pauth_supported(void)
kvm_check_extension(kvm_state, KVM_CAP_ARM_PTRAUTH_GENERIC));
}
+/* 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
--
2.48.1
^ permalink raw reply related [flat|nested] 19+ messages in thread
* [PATCH v2 03/14] arm/cpu: Store aa64isar0/aa64zfr0 into the idregs arrays
2025-03-05 16:38 [PATCH v2 00/14] arm: rework id register storage Cornelia Huck
2025-03-05 16:38 ` [PATCH v2 01/14] arm/cpu: Add sysreg definitions in cpu-sysregs.h Cornelia Huck
2025-03-05 16:38 ` [PATCH v2 02/14] arm/kvm: add accessors for storing host features into idregs Cornelia Huck
@ 2025-03-05 16:38 ` Cornelia Huck
2025-03-05 16:38 ` [PATCH v2 04/14] arm/cpu: Store aa64isar1/2 into the idregs array Cornelia Huck
` (10 subsequent siblings)
13 siblings, 0 replies; 19+ messages in thread
From: Cornelia Huck @ 2025-03-05 16:38 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>
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 | 10 +++----
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 | 8 +++---
target/arm/tcg/cpu64.c | 44 ++++++++++++++++++------------
8 files changed, 75 insertions(+), 63 deletions(-)
diff --git a/target/arm/cpu-features.h b/target/arm/cpu-features.h
index 525e4cee12f6..779bcd1abb36 100644
--- a/target/arm/cpu-features.h
+++ b/target/arm/cpu-features.h
@@ -22,6 +22,7 @@
#include "hw/registerfields.h"
#include "qemu/host-utils.h"
+#include "cpu-sysregs.h"
/*
* Naming convention for isar_feature functions:
@@ -376,92 +377,92 @@ 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)
@@ -927,52 +928,52 @@ 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 656070afb597..ff4fcab35ff6 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -1971,6 +1971,7 @@ 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;
@@ -2172,7 +2173,7 @@ 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);
@@ -2180,7 +2181,7 @@ 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);
@@ -2222,12 +2223,9 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
}
if (!cpu->has_neon && !cpu->has_vfp) {
- 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 60335f8893fa..c7436bd29477 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -1097,7 +1097,6 @@ 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;
@@ -1108,7 +1107,6 @@ 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 9ae78253cb34..74f9caeb0c03 100644
--- a/target/arm/cpu64.c
+++ b/target/arm/cpu64.c
@@ -114,7 +114,7 @@ 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;
}
@@ -617,6 +617,7 @@ 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);
@@ -654,7 +655,7 @@ 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;
@@ -678,6 +679,7 @@ 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);
@@ -715,7 +717,7 @@ 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 71dead7241b4..3db044f85077 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -7529,6 +7529,8 @@ 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;
@@ -7718,7 +7720,7 @@ 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,
@@ -7778,7 +7780,7 @@ 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 0afd96018e06..ad8b12e518d1 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>
@@ -865,7 +866,7 @@ 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 2381c87e4ba1..99f1119e59aa 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"
@@ -318,6 +319,7 @@ 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));
@@ -349,8 +351,7 @@ 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,
@@ -459,8 +460,7 @@ 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 29ab0ac79da9..f31bb9ceaac9 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 */
--
2.48.1
^ permalink raw reply related [flat|nested] 19+ messages in thread
* [PATCH v2 04/14] arm/cpu: Store aa64isar1/2 into the idregs array
2025-03-05 16:38 [PATCH v2 00/14] arm: rework id register storage Cornelia Huck
` (2 preceding siblings ...)
2025-03-05 16:38 ` [PATCH v2 03/14] arm/cpu: Store aa64isar0/aa64zfr0 into the idregs arrays Cornelia Huck
@ 2025-03-05 16:38 ` Cornelia Huck
2025-03-05 16:38 ` [PATCH v2 05/14] arm/cpu: Store aa64pfr0/1 " Cornelia Huck
` (9 subsequent siblings)
13 siblings, 0 replies; 19+ messages in thread
From: Cornelia Huck @ 2025-03-05 16:38 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>
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 | 12 ++++-------
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(+), 55 deletions(-)
diff --git a/target/arm/cpu-features.h b/target/arm/cpu-features.h
index 779bcd1abb36..37946d759375 100644
--- a/target/arm/cpu-features.h
+++ b/target/arm/cpu-features.h
@@ -467,17 +467,17 @@ 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;
}
/*
@@ -501,9 +501,9 @@ 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)
@@ -521,7 +521,7 @@ 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)
@@ -530,77 +530,77 @@ 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 ff4fcab35ff6..d63c59c1ca2a 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -2128,9 +2128,7 @@ 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);
@@ -2183,11 +2181,11 @@ 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);
@@ -2227,9 +2225,7 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
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 c7436bd29477..e9e31c09a22c 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -1097,8 +1097,6 @@ 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 74f9caeb0c03..d1b3704ccd2c 100644
--- a/target/arm/cpu64.c
+++ b/target/arm/cpu64.c
@@ -480,6 +480,7 @@ 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;
/*
@@ -490,13 +491,13 @@ 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);
@@ -558,8 +559,8 @@ 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 3db044f85077..b1c4c69d8bb4 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -7785,12 +7785,12 @@ 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 ad8b12e518d1..ca861648fad9 100644
--- a/target/arm/hvf/hvf.c
+++ b/target/arm/hvf/hvf.c
@@ -867,7 +867,7 @@ 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 99f1119e59aa..1ed4026b8db3 100644
--- a/target/arm/kvm.c
+++ b/target/arm/kvm.c
@@ -352,10 +352,8 @@ 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 f31bb9ceaac9..f62e62595d8b 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 */
--
2.48.1
^ permalink raw reply related [flat|nested] 19+ messages in thread
* [PATCH v2 05/14] arm/cpu: Store aa64pfr0/1 into the idregs array
2025-03-05 16:38 [PATCH v2 00/14] arm: rework id register storage Cornelia Huck
` (3 preceding siblings ...)
2025-03-05 16:38 ` [PATCH v2 04/14] arm/cpu: Store aa64isar1/2 into the idregs array Cornelia Huck
@ 2025-03-05 16:38 ` Cornelia Huck
2025-03-05 16:38 ` [PATCH v2 06/14] arm/cpu: Store aa64mmfr0-3 " Cornelia Huck
` (8 subsequent siblings)
13 siblings, 0 replies; 19+ messages in thread
From: Cornelia Huck @ 2025-03-05 16:38 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>
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 | 6 ++---
target/arm/kvm.c | 24 +++++++++-----------
target/arm/tcg/cpu64.c | 47 ++++++++++++++++++---------------------
8 files changed, 71 insertions(+), 97 deletions(-)
diff --git a/target/arm/cpu-features.h b/target/arm/cpu-features.h
index 37946d759375..5cc4721e6406 100644
--- a/target/arm/cpu-features.h
+++ b/target/arm/cpu-features.h
@@ -606,68 +606,68 @@ 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;
@@ -675,37 +675,37 @@ 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 d63c59c1ca2a..98f3e2f999a8 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -2125,14 +2125,11 @@ 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);
@@ -2187,9 +2184,7 @@ 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);
@@ -2331,12 +2326,10 @@ 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) {
@@ -2371,8 +2364,7 @@ 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);
}
@@ -2393,8 +2385,7 @@ 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);
}
/*
@@ -2402,7 +2393,7 @@ 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
}
@@ -2441,13 +2432,11 @@ 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 e9e31c09a22c..810c5e0963a7 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -1097,8 +1097,6 @@ 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 d1b3704ccd2c..ff5617a3df85 100644
--- a/target/arm/cpu64.c
+++ b/target/arm/cpu64.c
@@ -288,16 +288,13 @@ 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)
@@ -348,11 +345,8 @@ 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)
@@ -654,7 +648,7 @@ 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;
@@ -716,7 +710,7 @@ 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 b1c4c69d8bb4..9e2cb6e1837e 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -6719,7 +6719,7 @@ 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;
@@ -7693,7 +7693,7 @@ 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,
@@ -7705,7 +7705,7 @@ 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 ca861648fad9..f56ce584612d 100644
--- a/target/arm/hvf/hvf.c
+++ b/target/arm/hvf/hvf.c
@@ -862,8 +862,8 @@ 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] },
@@ -915,7 +915,7 @@ 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 1ed4026b8db3..59e70b2b9f4d 100644
--- a/target/arm/kvm.c
+++ b/target/arm/kvm.c
@@ -321,8 +321,7 @@ 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
@@ -340,11 +339,10 @@ 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,
@@ -370,10 +368,8 @@ 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_AA64PFR0_EL1_IDX);
+ err |= get_host_cpu_reg(fd, ahcf, ID_AA64PFR1_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,
@@ -424,14 +420,14 @@ 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) {
- int wrps = FIELD_EX64(ahcf->isar.id_aa64dfr0, ID_AA64DFR0, WRPS);
- int brps = FIELD_EX64(ahcf->isar.id_aa64dfr0, ID_AA64DFR0, BRPS);
+ 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);
+ 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 f62e62595d8b..478ef839bafa 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 */
--
2.48.1
^ permalink raw reply related [flat|nested] 19+ messages in thread
* [PATCH v2 06/14] arm/cpu: Store aa64mmfr0-3 into the idregs array
2025-03-05 16:38 [PATCH v2 00/14] arm: rework id register storage Cornelia Huck
` (4 preceding siblings ...)
2025-03-05 16:38 ` [PATCH v2 05/14] arm/cpu: Store aa64pfr0/1 " Cornelia Huck
@ 2025-03-05 16:38 ` Cornelia Huck
2025-03-05 16:38 ` [PATCH v2 07/14] arm/cpu: Store aa64dfr0/1 " Cornelia Huck
` (7 subsequent siblings)
13 siblings, 0 replies; 19+ messages in thread
From: Cornelia Huck @ 2025-03-05 16:38 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>
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 5cc4721e6406..36c35f6a434a 100644
--- a/target/arm/cpu-features.h
+++ b/target/arm/cpu-features.h
@@ -710,192 +710,192 @@ 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 810c5e0963a7..5351d3f3f2df 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -1097,10 +1097,6 @@ 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 ff5617a3df85..c5f844d1860e 100644
--- a/target/arm/cpu64.c
+++ b/target/arm/cpu64.c
@@ -601,12 +601,12 @@ 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)
@@ -651,7 +651,7 @@ 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;
@@ -713,7 +713,7 @@ 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 9e2cb6e1837e..706b547a07bf 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -7820,22 +7820,22 @@ 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 f56ce584612d..a5570e6a5fce 100644
--- a/target/arm/hvf/hvf.c
+++ b/target/arm/hvf/hvf.c
@@ -845,14 +845,17 @@ 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)
@@ -869,9 +872,9 @@ 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;
@@ -898,7 +901,7 @@ 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);
ahcf->isar = host_isar;
@@ -1053,12 +1056,12 @@ 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 59e70b2b9f4d..1b4fec861bc4 100644
--- a/target/arm/kvm.c
+++ b/target/arm/kvm.c
@@ -352,14 +352,10 @@ 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 43309003486b..79c7dabdc687 100644
--- a/target/arm/ptw.c
+++ b/target/arm/ptw.c
@@ -120,7 +120,7 @@ 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
@@ -330,7 +330,7 @@ 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];
@@ -1701,7 +1701,7 @@ 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 478ef839bafa..439c29e69546 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);
--
2.48.1
^ permalink raw reply related [flat|nested] 19+ messages in thread
* [PATCH v2 07/14] arm/cpu: Store aa64dfr0/1 into the idregs array
2025-03-05 16:38 [PATCH v2 00/14] arm: rework id register storage Cornelia Huck
` (5 preceding siblings ...)
2025-03-05 16:38 ` [PATCH v2 06/14] arm/cpu: Store aa64mmfr0-3 " Cornelia Huck
@ 2025-03-05 16:38 ` Cornelia Huck
2025-03-05 16:38 ` [PATCH v2 08/14] arm/cpu: Store aa64smfr0 " Cornelia Huck
` (6 subsequent siblings)
13 siblings, 0 replies; 19+ messages in thread
From: Cornelia Huck @ 2025-03-05 16:38 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>
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 | 33 +++++++++++++++++----------------
9 files changed, 44 insertions(+), 52 deletions(-)
diff --git a/target/arm/cpu-features.h b/target/arm/cpu-features.h
index 36c35f6a434a..7f6331ca437d 100644
--- a/target/arm/cpu-features.h
+++ b/target/arm/cpu-features.h
@@ -900,30 +900,30 @@ 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 98f3e2f999a8..c0c6561c79ca 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -2352,8 +2352,7 @@ 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;
@@ -2413,19 +2412,15 @@ 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 5351d3f3f2df..04f19ce48cfe 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -1097,8 +1097,6 @@ 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 c5f844d1860e..1d1657e127ef 100644
--- a/target/arm/cpu64.c
+++ b/target/arm/cpu64.c
@@ -649,7 +649,7 @@ 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;
@@ -711,7 +711,7 @@ 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 706b547a07bf..3a107044026c 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -7740,12 +7740,12 @@ 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 a5570e6a5fce..b94097a293d8 100644
--- a/target/arm/hvf/hvf.c
+++ b/target/arm/hvf/hvf.c
@@ -867,8 +867,8 @@ 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 b3187341456a..3b7c09b0911f 100644
--- a/target/arm/internals.h
+++ b/target/arm/internals.h
@@ -1035,7 +1035,7 @@ 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;
}
@@ -1049,7 +1049,7 @@ 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;
}
@@ -1063,7 +1063,7 @@ 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 1b4fec861bc4..e0efdc97ce0b 100644
--- a/target/arm/kvm.c
+++ b/target/arm/kvm.c
@@ -345,10 +345,8 @@ 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);
@@ -417,10 +415,10 @@ 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 439c29e69546..41077b3dcd08 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 +925,9 @@ 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_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 +1028,8 @@ 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 +1262,11 @@ 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 */
--
2.48.1
^ permalink raw reply related [flat|nested] 19+ messages in thread
* [PATCH v2 08/14] arm/cpu: Store aa64smfr0 into the idregs array
2025-03-05 16:38 [PATCH v2 00/14] arm: rework id register storage Cornelia Huck
` (6 preceding siblings ...)
2025-03-05 16:38 ` [PATCH v2 07/14] arm/cpu: Store aa64dfr0/1 " Cornelia Huck
@ 2025-03-05 16:38 ` Cornelia Huck
2025-03-05 16:38 ` [PATCH v2 09/14] arm/cpu: Store id_isar0-7 " Cornelia Huck
` (5 subsequent siblings)
13 siblings, 0 replies; 19+ messages in thread
From: Cornelia Huck @ 2025-03-05 16:38 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>
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 7f6331ca437d..1ac1f3e95984 100644
--- a/target/arm/cpu-features.h
+++ b/target/arm/cpu-features.h
@@ -978,17 +978,17 @@ 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 04f19ce48cfe..b27522d8a139 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -1097,7 +1097,6 @@ 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 1d1657e127ef..e9668f82479e 100644
--- a/target/arm/cpu64.c
+++ b/target/arm/cpu64.c
@@ -306,7 +306,7 @@ 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;
}
@@ -359,11 +359,8 @@ 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 3a107044026c..66eda355794a 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -7725,7 +7725,7 @@ 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 e0efdc97ce0b..22db87e11089 100644
--- a/target/arm/kvm.c
+++ b/target/arm/kvm.c
@@ -343,8 +343,7 @@ 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 41077b3dcd08..cadc1258fc40 100644
--- a/target/arm/tcg/cpu64.c
+++ b/target/arm/tcg/cpu64.c
@@ -1268,7 +1268,7 @@ 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 */
@@ -1276,7 +1276,7 @@ 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);
--
2.48.1
^ permalink raw reply related [flat|nested] 19+ messages in thread
* [PATCH v2 09/14] arm/cpu: Store id_isar0-7 into the idregs array
2025-03-05 16:38 [PATCH v2 00/14] arm: rework id register storage Cornelia Huck
` (7 preceding siblings ...)
2025-03-05 16:38 ` [PATCH v2 08/14] arm/cpu: Store aa64smfr0 " Cornelia Huck
@ 2025-03-05 16:38 ` Cornelia Huck
2025-03-05 16:38 ` [PATCH v2 10/14] arm/cpu: Store id_pfr0/1/2 " Cornelia Huck
` (4 subsequent siblings)
13 siblings, 0 replies; 19+ messages in thread
From: Cornelia Huck @ 2025-03-05 16:38 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>
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 5fd076098243..e1890a447b39 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 1ac1f3e95984..003cf735e8ef 100644
--- a/target/arm/cpu-features.h
+++ b/target/arm/cpu-features.h
@@ -45,93 +45,93 @@
*/
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 c0c6561c79ca..5e900caa4a9a 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -2131,10 +2131,10 @@ 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);
@@ -2186,20 +2186,20 @@ 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;
@@ -2237,19 +2237,17 @@ 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 b27522d8a139..3f48d58eb9f0 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -1073,13 +1073,6 @@ 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 e9668f82479e..4a81cfb85961 100644
--- a/target/arm/cpu64.c
+++ b/target/arm/cpu64.c
@@ -638,13 +638,13 @@ 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);
@@ -700,13 +700,13 @@ 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 66eda355794a..9dde1db9c078 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -7607,32 +7607,32 @@ 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,
@@ -7642,7 +7642,7 @@ 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 22db87e11089..679053084d22 100644
--- a/target/arm/kvm.c
+++ b/target/arm/kvm.c
@@ -373,22 +373,15 @@ 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 03acdf83e006..31f9bcc49a13 100644
--- a/target/arm/tcg/cpu-v7m.c
+++ b/target/arm/tcg/cpu-v7m.c
@@ -46,6 +46,7 @@ static bool arm_v7m_cpu_exec_interrupt(CPUState *cs, int interrupt_request)
static void cortex_m0_initfn(Object *obj)
{
ARMCPU *cpu = ARM_CPU(obj);
+ uint64_t *idregs = cpu->isar.idregs;
set_feature(&cpu->env, ARM_FEATURE_V6);
set_feature(&cpu->env, ARM_FEATURE_M);
@@ -67,18 +68,19 @@ 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(idregs, ID_ISAR0, 0x01141110);
+ SET_IDREG(idregs, ID_ISAR1, 0x02111000);
+ SET_IDREG(idregs, ID_ISAR2, 0x21112231);
+ SET_IDREG(idregs, ID_ISAR3, 0x01111110);
+ SET_IDREG(idregs, ID_ISAR4, 0x01310102);
+ SET_IDREG(idregs, ID_ISAR5, 0x00000000);
+ SET_IDREG(idregs, ID_ISAR6, 0x00000000);
}
static void cortex_m3_initfn(Object *obj)
{
ARMCPU *cpu = ARM_CPU(obj);
+ uint64_t *idregs = cpu->isar.idregs;
set_feature(&cpu->env, ARM_FEATURE_V7);
set_feature(&cpu->env, ARM_FEATURE_M);
set_feature(&cpu->env, ARM_FEATURE_M_MAIN);
@@ -92,18 +94,19 @@ 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(idregs, ID_ISAR0, 0x01141110);
+ SET_IDREG(idregs, ID_ISAR1, 0x02111000);
+ SET_IDREG(idregs, ID_ISAR2, 0x21112231);
+ SET_IDREG(idregs, ID_ISAR3, 0x01111110);
+ SET_IDREG(idregs, ID_ISAR4, 0x01310102);
+ SET_IDREG(idregs, ID_ISAR5, 0x00000000);
+ SET_IDREG(idregs, ID_ISAR6, 0x00000000);
}
static void cortex_m4_initfn(Object *obj)
{
ARMCPU *cpu = ARM_CPU(obj);
+ uint64_t *idregs = cpu->isar.idregs;
set_feature(&cpu->env, ARM_FEATURE_V7);
set_feature(&cpu->env, ARM_FEATURE_M);
@@ -122,18 +125,19 @@ 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(idregs, ID_ISAR0, 0x01141110);
+ SET_IDREG(idregs, ID_ISAR1, 0x02111000);
+ SET_IDREG(idregs, ID_ISAR2, 0x21112231);
+ SET_IDREG(idregs, ID_ISAR3, 0x01111110);
+ SET_IDREG(idregs, ID_ISAR4, 0x01310102);
+ SET_IDREG(idregs, ID_ISAR5, 0x00000000);
+ SET_IDREG(idregs, ID_ISAR6, 0x00000000);
}
static void cortex_m7_initfn(Object *obj)
{
ARMCPU *cpu = ARM_CPU(obj);
+ uint64_t *idregs = cpu->isar.idregs;
set_feature(&cpu->env, ARM_FEATURE_V7);
set_feature(&cpu->env, ARM_FEATURE_M);
@@ -152,18 +156,19 @@ 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(idregs, ID_ISAR0, 0x01101110);
+ SET_IDREG(idregs, ID_ISAR1, 0x02112000);
+ SET_IDREG(idregs, ID_ISAR2, 0x20232231);
+ SET_IDREG(idregs, ID_ISAR3, 0x01111131);
+ SET_IDREG(idregs, ID_ISAR4, 0x01310132);
+ SET_IDREG(idregs, ID_ISAR5, 0x00000000);
+ SET_IDREG(idregs, ID_ISAR6, 0x00000000);
}
static void cortex_m33_initfn(Object *obj)
{
ARMCPU *cpu = ARM_CPU(obj);
+ uint64_t *idregs = cpu->isar.idregs;
set_feature(&cpu->env, ARM_FEATURE_V8);
set_feature(&cpu->env, ARM_FEATURE_M);
@@ -184,13 +189,13 @@ 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(idregs, ID_ISAR0, 0x01101110);
+ SET_IDREG(idregs, ID_ISAR1, 0x02212000);
+ SET_IDREG(idregs, ID_ISAR2, 0x20232232);
+ SET_IDREG(idregs, ID_ISAR3, 0x01111131);
+ SET_IDREG(idregs, ID_ISAR4, 0x01310132);
+ SET_IDREG(idregs, ID_ISAR5, 0x00000000);
+ SET_IDREG(idregs, ID_ISAR6, 0x00000000);
cpu->clidr = 0x00000000;
cpu->ctr = 0x8000c000;
}
@@ -198,6 +203,7 @@ static void cortex_m33_initfn(Object *obj)
static void cortex_m55_initfn(Object *obj)
{
ARMCPU *cpu = ARM_CPU(obj);
+ uint64_t *idregs = cpu->isar.idregs;
set_feature(&cpu->env, ARM_FEATURE_V8);
set_feature(&cpu->env, ARM_FEATURE_V8_1M);
@@ -221,13 +227,13 @@ 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(idregs, ID_ISAR0, 0x01103110);
+ SET_IDREG(idregs, ID_ISAR1, 0x02212000);
+ SET_IDREG(idregs, ID_ISAR2, 0x20232232);
+ SET_IDREG(idregs, ID_ISAR3, 0x01111131);
+ SET_IDREG(idregs, ID_ISAR4, 0x01310132);
+ SET_IDREG(idregs, ID_ISAR5, 0x00000000);
+ SET_IDREG(idregs, 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 0f1c5bc87e88..87a0806c0a33 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, 0x21232141);
+ 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 cadc1258fc40..ad47279cdd46 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;
@@ -1013,14 +1013,14 @@ 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;
--
2.48.1
^ permalink raw reply related [flat|nested] 19+ messages in thread
* [PATCH v2 10/14] arm/cpu: Store id_pfr0/1/2 into the idregs array
2025-03-05 16:38 [PATCH v2 00/14] arm: rework id register storage Cornelia Huck
` (8 preceding siblings ...)
2025-03-05 16:38 ` [PATCH v2 09/14] arm/cpu: Store id_isar0-7 " Cornelia Huck
@ 2025-03-05 16:38 ` Cornelia Huck
2025-03-05 16:38 ` [PATCH v2 11/14] arm/cpu: Store id_dfr0/1 " Cornelia Huck
` (3 subsequent siblings)
13 siblings, 0 replies; 19+ messages in thread
From: Cornelia Huck @ 2025-03-05 16:38 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>
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 | 3 +-
target/arm/tcg/cpu-v7m.c | 120 +++++++++++++++++++-------------------
target/arm/tcg/cpu32.c | 52 ++++++++---------
target/arm/tcg/cpu64.c | 44 +++++++-------
10 files changed, 128 insertions(+), 133 deletions(-)
diff --git a/hw/intc/armv7m_nvic.c b/hw/intc/armv7m_nvic.c
index e1890a447b39..95a5b80bccd4 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 003cf735e8ef..156130085067 100644
--- a/target/arm/cpu-features.h
+++ b/target/arm/cpu-features.h
@@ -136,12 +136,12 @@ 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)
@@ -150,7 +150,7 @@ 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)
@@ -349,12 +349,12 @@ 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 5e900caa4a9a..0212fc45e079 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -2322,7 +2322,7 @@ 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);
@@ -2362,8 +2362,7 @@ 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)) {
@@ -2426,8 +2425,7 @@ 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 3f48d58eb9f0..32be4e482db4 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -1079,9 +1079,6 @@ 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 4a81cfb85961..0b31f7b046a5 100644
--- a/target/arm/cpu64.c
+++ b/target/arm/cpu64.c
@@ -630,8 +630,8 @@ 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;
@@ -692,8 +692,8 @@ 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 9dde1db9c078..07f30992df0f 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -6708,7 +6708,7 @@ 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;
@@ -7554,7 +7554,7 @@ 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.
@@ -7565,7 +7565,7 @@ 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,
@@ -7907,7 +7907,7 @@ 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 679053084d22..c397692d56a5 100644
--- a/target/arm/kvm.c
+++ b/target/arm/kvm.c
@@ -389,8 +389,7 @@ 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 31f9bcc49a13..e6177b86d352 100644
--- a/target/arm/tcg/cpu-v7m.c
+++ b/target/arm/tcg/cpu-v7m.c
@@ -46,7 +46,7 @@ static bool arm_v7m_cpu_exec_interrupt(CPUState *cs, int interrupt_request)
static void cortex_m0_initfn(Object *obj)
{
ARMCPU *cpu = ARM_CPU(obj);
- uint64_t *idregs = cpu->isar.idregs;
+ ARMISARegisters *isar = &cpu->isar;
set_feature(&cpu->env, ARM_FEATURE_V6);
set_feature(&cpu->env, ARM_FEATURE_M);
@@ -60,53 +60,53 @@ 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;
cpu->isar.id_mmfr1 = 0x00000000;
cpu->isar.id_mmfr2 = 0x00000000;
cpu->isar.id_mmfr3 = 0x00000000;
- SET_IDREG(idregs, ID_ISAR0, 0x01141110);
- SET_IDREG(idregs, ID_ISAR1, 0x02111000);
- SET_IDREG(idregs, ID_ISAR2, 0x21112231);
- SET_IDREG(idregs, ID_ISAR3, 0x01111110);
- SET_IDREG(idregs, ID_ISAR4, 0x01310102);
- SET_IDREG(idregs, ID_ISAR5, 0x00000000);
- SET_IDREG(idregs, 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);
- uint64_t *idregs = cpu->isar.idregs;
+ 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);
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;
cpu->isar.id_mmfr1 = 0x00000000;
cpu->isar.id_mmfr2 = 0x00000000;
cpu->isar.id_mmfr3 = 0x00000000;
- SET_IDREG(idregs, ID_ISAR0, 0x01141110);
- SET_IDREG(idregs, ID_ISAR1, 0x02111000);
- SET_IDREG(idregs, ID_ISAR2, 0x21112231);
- SET_IDREG(idregs, ID_ISAR3, 0x01111110);
- SET_IDREG(idregs, ID_ISAR4, 0x01310102);
- SET_IDREG(idregs, ID_ISAR5, 0x00000000);
- SET_IDREG(idregs, 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);
- uint64_t *idregs = cpu->isar.idregs;
+ ARMISARegisters *isar = &cpu->isar;
set_feature(&cpu->env, ARM_FEATURE_V7);
set_feature(&cpu->env, ARM_FEATURE_M);
@@ -117,27 +117,27 @@ 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;
cpu->isar.id_mmfr1 = 0x00000000;
cpu->isar.id_mmfr2 = 0x00000000;
cpu->isar.id_mmfr3 = 0x00000000;
- SET_IDREG(idregs, ID_ISAR0, 0x01141110);
- SET_IDREG(idregs, ID_ISAR1, 0x02111000);
- SET_IDREG(idregs, ID_ISAR2, 0x21112231);
- SET_IDREG(idregs, ID_ISAR3, 0x01111110);
- SET_IDREG(idregs, ID_ISAR4, 0x01310102);
- SET_IDREG(idregs, ID_ISAR5, 0x00000000);
- SET_IDREG(idregs, 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);
- uint64_t *idregs = cpu->isar.idregs;
+ ARMISARegisters *isar = &cpu->isar;
set_feature(&cpu->env, ARM_FEATURE_V7);
set_feature(&cpu->env, ARM_FEATURE_M);
@@ -148,27 +148,27 @@ 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;
cpu->isar.id_mmfr1 = 0x00000000;
cpu->isar.id_mmfr2 = 0x01000000;
cpu->isar.id_mmfr3 = 0x00000000;
- SET_IDREG(idregs, ID_ISAR0, 0x01101110);
- SET_IDREG(idregs, ID_ISAR1, 0x02112000);
- SET_IDREG(idregs, ID_ISAR2, 0x20232231);
- SET_IDREG(idregs, ID_ISAR3, 0x01111131);
- SET_IDREG(idregs, ID_ISAR4, 0x01310132);
- SET_IDREG(idregs, ID_ISAR5, 0x00000000);
- SET_IDREG(idregs, 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);
- uint64_t *idregs = cpu->isar.idregs;
+ ARMISARegisters *isar = &cpu->isar;
set_feature(&cpu->env, ARM_FEATURE_V8);
set_feature(&cpu->env, ARM_FEATURE_M);
@@ -181,21 +181,21 @@ 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;
cpu->isar.id_mmfr1 = 0x00000000;
cpu->isar.id_mmfr2 = 0x01000000;
cpu->isar.id_mmfr3 = 0x00000000;
- SET_IDREG(idregs, ID_ISAR0, 0x01101110);
- SET_IDREG(idregs, ID_ISAR1, 0x02212000);
- SET_IDREG(idregs, ID_ISAR2, 0x20232232);
- SET_IDREG(idregs, ID_ISAR3, 0x01111131);
- SET_IDREG(idregs, ID_ISAR4, 0x01310132);
- SET_IDREG(idregs, ID_ISAR5, 0x00000000);
- SET_IDREG(idregs, 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;
}
@@ -203,7 +203,7 @@ static void cortex_m33_initfn(Object *obj)
static void cortex_m55_initfn(Object *obj)
{
ARMCPU *cpu = ARM_CPU(obj);
- uint64_t *idregs = cpu->isar.idregs;
+ ARMISARegisters *isar = &cpu->isar;
set_feature(&cpu->env, ARM_FEATURE_V8);
set_feature(&cpu->env, ARM_FEATURE_V8_1M);
@@ -219,21 +219,21 @@ 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;
cpu->isar.id_mmfr1 = 0x00000000;
cpu->isar.id_mmfr2 = 0x01000000;
cpu->isar.id_mmfr3 = 0x00000011;
- SET_IDREG(idregs, ID_ISAR0, 0x01103110);
- SET_IDREG(idregs, ID_ISAR1, 0x02212000);
- SET_IDREG(idregs, ID_ISAR2, 0x20232232);
- SET_IDREG(idregs, ID_ISAR3, 0x01111131);
- SET_IDREG(idregs, ID_ISAR4, 0x01310132);
- SET_IDREG(idregs, ID_ISAR5, 0x00000000);
- SET_IDREG(idregs, 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 87a0806c0a33..c4dbce75ef2a 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 ad47279cdd46..cfaf01fbf9bc 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 */
@@ -1005,8 +1005,8 @@ 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;
@@ -1024,7 +1024,7 @@ 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 */
--
2.48.1
^ permalink raw reply related [flat|nested] 19+ messages in thread
* [PATCH v2 11/14] arm/cpu: Store id_dfr0/1 into the idregs array
2025-03-05 16:38 [PATCH v2 00/14] arm: rework id register storage Cornelia Huck
` (9 preceding siblings ...)
2025-03-05 16:38 ` [PATCH v2 10/14] arm/cpu: Store id_pfr0/1/2 " Cornelia Huck
@ 2025-03-05 16:38 ` Cornelia Huck
2025-03-05 16:38 ` [PATCH v2 12/14] arm/cpu: Store id_mmfr0-5 " Cornelia Huck
` (2 subsequent siblings)
13 siblings, 0 replies; 19+ messages in thread
From: Cornelia Huck @ 2025-03-05 16:38 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>
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 95a5b80bccd4..2e6ae4e9ab05 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 156130085067..cad34f0ad403 100644
--- a/target/arm/cpu-features.h
+++ b/target/arm/cpu-features.h
@@ -299,22 +299,22 @@ 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)
@@ -359,12 +359,12 @@ 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 0212fc45e079..6af3532019f3 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -2323,7 +2323,7 @@ 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. */
@@ -2351,7 +2351,7 @@ 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;
}
@@ -2414,15 +2414,12 @@ 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 32be4e482db4..61b8912a1ddf 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -1082,8 +1082,6 @@ 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 0b31f7b046a5..bb07eb01d487 100644
--- a/target/arm/cpu64.c
+++ b/target/arm/cpu64.c
@@ -632,7 +632,7 @@ 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;
@@ -694,7 +694,7 @@ 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 07f30992df0f..1665c50a3b3c 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -7577,7 +7577,7 @@ 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,
@@ -7912,7 +7912,7 @@ 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 c397692d56a5..8fd8a97fa4f6 100644
--- a/target/arm/kvm.c
+++ b/target/arm/kvm.c
@@ -363,8 +363,7 @@ static bool kvm_arm_get_host_cpu_features(ARMHostCPUFeatures *ahcf)
*/
err |= get_host_cpu_reg(fd, ahcf, ID_AA64PFR0_EL1_IDX);
err |= get_host_cpu_reg(fd, ahcf, ID_AA64PFR1_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,
@@ -390,8 +389,7 @@ 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 e6177b86d352..08134df72bf7 100644
--- a/target/arm/tcg/cpu-v7m.c
+++ b/target/arm/tcg/cpu-v7m.c
@@ -62,7 +62,7 @@ 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;
@@ -88,7 +88,7 @@ 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;
@@ -119,7 +119,7 @@ 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;
@@ -150,7 +150,7 @@ 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;
@@ -183,7 +183,7 @@ 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;
@@ -221,7 +221,7 @@ 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 c4dbce75ef2a..a10b59f23550 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 cfaf01fbf9bc..738826a7bf97 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;
@@ -1007,7 +1007,7 @@ 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;
--
2.48.1
^ permalink raw reply related [flat|nested] 19+ messages in thread
* [PATCH v2 12/14] arm/cpu: Store id_mmfr0-5 into the idregs array
2025-03-05 16:38 [PATCH v2 00/14] arm: rework id register storage Cornelia Huck
` (10 preceding siblings ...)
2025-03-05 16:38 ` [PATCH v2 11/14] arm/cpu: Store id_dfr0/1 " Cornelia Huck
@ 2025-03-05 16:38 ` Cornelia Huck
2025-03-05 16:38 ` [PATCH v2 13/14] arm/cpu: Add sysreg generation scripts Cornelia Huck
2025-03-05 16:38 ` [PATCH v2 14/14] arm/cpu: Add generated files Cornelia Huck
13 siblings, 0 replies; 19+ messages in thread
From: Cornelia Huck @ 2025-03-05 16:38 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>
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 2e6ae4e9ab05..2d7fa672102b 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 cad34f0ad403..db3c99e42964 100644
--- a/target/arm/cpu-features.h
+++ b/target/arm/cpu-features.h
@@ -283,17 +283,17 @@ 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)
@@ -319,32 +319,32 @@ 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 61b8912a1ddf..2d1eadf7d5b3 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -1073,12 +1073,6 @@ 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 bb07eb01d487..57cd88686e69 100644
--- a/target/arm/cpu64.c
+++ b/target/arm/cpu64.c
@@ -634,10 +634,10 @@ 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);
@@ -696,10 +696,10 @@ 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 1665c50a3b3c..4b9869c4ab7a 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -7587,22 +7587,22 @@ 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,
@@ -7637,7 +7637,7 @@ 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,
@@ -7917,7 +7917,7 @@ 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 8fd8a97fa4f6..9b28664b0e32 100644
--- a/target/arm/kvm.c
+++ b/target/arm/kvm.c
@@ -364,14 +364,10 @@ static bool kvm_arm_get_host_cpu_features(ARMHostCPUFeatures *ahcf)
err |= get_host_cpu_reg(fd, ahcf, ID_AA64PFR0_EL1_IDX);
err |= get_host_cpu_reg(fd, ahcf, ID_AA64PFR1_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);
@@ -379,8 +375,7 @@ 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));
@@ -390,8 +385,7 @@ 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 08134df72bf7..f32b43c7a103 100644
--- a/target/arm/tcg/cpu-v7m.c
+++ b/target/arm/tcg/cpu-v7m.c
@@ -64,10 +64,10 @@ 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);
@@ -90,10 +90,10 @@ 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);
@@ -121,10 +121,10 @@ 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);
@@ -152,10 +152,10 @@ 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);
@@ -185,10 +185,10 @@ 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);
@@ -223,10 +223,10 @@ 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 a10b59f23550..f5dd132945c9 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 738826a7bf97..22297cebab77 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;
@@ -1009,17 +1009,17 @@ 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;
--
2.48.1
^ permalink raw reply related [flat|nested] 19+ messages in thread
* [PATCH v2 13/14] arm/cpu: Add sysreg generation scripts
2025-03-05 16:38 [PATCH v2 00/14] arm: rework id register storage Cornelia Huck
` (11 preceding siblings ...)
2025-03-05 16:38 ` [PATCH v2 12/14] arm/cpu: Store id_mmfr0-5 " Cornelia Huck
@ 2025-03-05 16:38 ` Cornelia Huck
2025-03-05 16:38 ` [PATCH v2 14/14] arm/cpu: Add generated files Cornelia Huck
13 siblings, 0 replies; 19+ messages in thread
From: Cornelia Huck @ 2025-03-05 16:38 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]
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
---
| 70 +++++++++++++++++++++++++++
scripts/update-aarch64-sysreg-code.sh | 35 ++++++++++++++
2 files changed, 105 insertions(+)
create mode 100755 scripts/gen-cpu-sysregs-header.awk
create mode 100755 scripts/update-aarch64-sysreg-code.sh
--git a/scripts/gen-cpu-sysregs-header.awk b/scripts/gen-cpu-sysregs-header.awk
new file mode 100755
index 000000000000..27a222856a84
--- /dev/null
+++ b/scripts/gen-cpu-sysregs-header.awk
@@ -0,0 +1,70 @@
+#!/bin/awk -f
+# SPDX-License-Identifier: GPL-2.0
+# gen-cpu-sysregs-header.awk: arm64 sysreg header generator
+#
+# Usage: awk -f gen-cpu-sysregs-header.awk -- -v structure=xxx $LINUX_PATH/arch/arm64/tools/sysreg
+# where structure is one of "idx" "reg" "table"
+
+BEGIN {
+ print ""
+ if (structure == "idx") {
+ print "typedef enum ARMIDRegisterIdx {"
+ }
+ if (structure == "reg") {
+ print "typedef enum ARMSysRegs {"
+ }
+ if (structure == "table") {
+ print "static const uint32_t id_register_sysreg[NUM_ID_IDX] = {"
+ }
+} END {
+ if (structure == "idx") {
+ print " NUM_ID_IDX,"
+ print "} ARMIDRegisterIdx;"
+ }
+ if (structure == "reg") {
+ print "} ARMSysRegs;"
+ }
+ if (structure == "table") {
+ print "};"
+ }
+ print ""
+}
+
+# skip blank lines and comment lines
+/^$/ { next }
+/^[\t ]*#/ { next }
+
+/^Sysreg\t/ || /^Sysreg /{
+
+ reg = $2
+ op0 = $3
+ op1 = $4
+ crn = $5
+ crm = $6
+ op2 = $7
+
+ if (op0 == 3 && (op1>=0 && op1<=3) && crn==0 && (crm>=0 && crm<=7) && (op2>=0 && op2<=7)) {
+ idreg = 1
+ } else {
+ idreg = 0
+ }
+
+ if (idreg) {
+ if (structure == "idx") {
+ print " "reg"_IDX,"
+ }
+ if (structure == "reg") {
+ print " SYS_"reg" = ENCODE_ID_REG("op0", "op1", "crn", "crm", "op2"),"
+ }
+ if (structure == "table") {
+ print " ["reg"_IDX] = SYS_"reg","
+ }
+ }
+
+ 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..01762c620556
--- /dev/null
+++ b/scripts/update-aarch64-sysreg-code.sh
@@ -0,0 +1,35 @@
+#!/bin/sh -e
+#
+# 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>
+#
+
+linux="$1"
+output="$PWD"
+
+if [ -z "$linux" ] || ! [ -d "$linux" ]; then
+ cat << EOF
+usage: update-aarch64-sysreg-code.sh LINUX_PATH
+
+LINUX_PATH Linux kernel directory to obtain the headers from
+EOF
+ exit 1
+fi
+
+ cat <<EOF >../target/arm/cpu-sysregs.h.inc
+/* GENERATED FILE -- DO NOT EDIT */
+#ifndef ARCH_ARM_CPU_SYSREGS_H_INC
+#define ARCH_ARM_CPU_SYSREGS_H_INC
+EOF
+
+for structure in "idx" "reg" "table"; do
+ awk -f gen-cpu-sysregs-header.awk -v structure="$structure"\
+ $linux/arch/arm64/tools/sysreg >> ../target/arm/cpu-sysregs.h.inc
+done
+
+echo "#endif /* ARCH_ARM_CPU_SYSREGS_H_INC */" >> ../target/arm/cpu-sysregs.h.inc
--
2.48.1
^ permalink raw reply related [flat|nested] 19+ messages in thread
* [PATCH v2 14/14] arm/cpu: Add generated files
2025-03-05 16:38 [PATCH v2 00/14] arm: rework id register storage Cornelia Huck
` (12 preceding siblings ...)
2025-03-05 16:38 ` [PATCH v2 13/14] arm/cpu: Add sysreg generation scripts Cornelia Huck
@ 2025-03-05 16:38 ` Cornelia Huck
13 siblings, 0 replies; 19+ messages in thread
From: Cornelia Huck @ 2025-03-05 16:38 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
And switch to using the generated definitions.
Generated against Linux 6.14-rc1.
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
---
target/arm/cpu-sysregs.h | 116 +-----------------------
target/arm/cpu-sysregs.h.inc | 167 +++++++++++++++++++++++++++++++++++
2 files changed, 169 insertions(+), 114 deletions(-)
create mode 100644 target/arm/cpu-sysregs.h.inc
diff --git a/target/arm/cpu-sysregs.h b/target/arm/cpu-sysregs.h
index 54a4fadbf0c1..6074516c6d2c 100644
--- a/target/arm/cpu-sysregs.h
+++ b/target/arm/cpu-sysregs.h
@@ -13,120 +13,8 @@
((crm) << CP_REG_ARM64_SYSREG_CRM_SHIFT) | \
((op2) << CP_REG_ARM64_SYSREG_OP2_SHIFT))
-typedef enum ARMIDRegisterIdx {
- ID_AA64PFR0_EL1_IDX,
- ID_AA64PFR1_EL1_IDX,
- ID_AA64SMFR0_EL1_IDX,
- ID_AA64DFR0_EL1_IDX,
- ID_AA64DFR1_EL1_IDX,
- ID_AA64ISAR0_EL1_IDX,
- ID_AA64ISAR1_EL1_IDX,
- ID_AA64ISAR2_EL1_IDX,
- ID_AA64MMFR0_EL1_IDX,
- ID_AA64MMFR1_EL1_IDX,
- ID_AA64MMFR2_EL1_IDX,
- ID_AA64MMFR3_EL1_IDX,
- ID_PFR0_EL1_IDX,
- ID_PFR1_EL1_IDX,
- ID_DFR0_EL1_IDX,
- ID_MMFR0_EL1_IDX,
- ID_MMFR1_EL1_IDX,
- ID_MMFR2_EL1_IDX,
- ID_MMFR3_EL1_IDX,
- ID_ISAR0_EL1_IDX,
- ID_ISAR1_EL1_IDX,
- ID_ISAR2_EL1_IDX,
- ID_ISAR3_EL1_IDX,
- ID_ISAR4_EL1_IDX,
- ID_ISAR5_EL1_IDX,
- ID_MMFR4_EL1_IDX,
- ID_ISAR6_EL1_IDX,
- MVFR0_EL1_IDX,
- MVFR1_EL1_IDX,
- MVFR2_EL1_IDX,
- ID_PFR2_EL1_IDX,
- ID_DFR1_EL1_IDX,
- ID_MMFR5_EL1_IDX,
- ID_AA64ZFR0_EL1_IDX,
- CTR_EL0_IDX,
- NUM_ID_IDX,
-} ARMIDRegisterIdx;
-
-typedef enum ARMSysRegs {
- SYS_ID_AA64PFR0_EL1 = ENCODE_ID_REG(3, 0, 0, 4, 0),
- SYS_ID_AA64PFR1_EL1 = ENCODE_ID_REG(3, 0, 0, 4, 1),
- SYS_ID_AA64SMFR0_EL1 = ENCODE_ID_REG(3, 0, 0, 4, 5),
- SYS_ID_AA64DFR0_EL1 = ENCODE_ID_REG(3, 0, 0, 5, 0),
- SYS_ID_AA64DFR1_EL1 = ENCODE_ID_REG(3, 0, 0, 5, 1),
- SYS_ID_AA64ISAR0_EL1 = ENCODE_ID_REG(3, 0, 0, 6, 0),
- SYS_ID_AA64ISAR1_EL1 = ENCODE_ID_REG(3, 0, 0, 6, 1),
- SYS_ID_AA64ISAR2_EL1 = ENCODE_ID_REG(3, 0, 0, 6, 2),
- SYS_ID_AA64MMFR0_EL1 = ENCODE_ID_REG(3, 0, 0, 7, 0),
- SYS_ID_AA64MMFR1_EL1 = ENCODE_ID_REG(3, 0, 0, 7, 1),
- SYS_ID_AA64MMFR2_EL1 = ENCODE_ID_REG(3, 0, 0, 7, 2),
- SYS_ID_AA64MMFR3_EL1 = ENCODE_ID_REG(3, 0, 0, 7, 3),
- SYS_ID_PFR0_EL1 = ENCODE_ID_REG(3, 0, 0, 1, 0),
- SYS_ID_PFR1_EL1 = ENCODE_ID_REG(3, 0, 0, 1, 1),
- SYS_ID_DFR0_EL1 = ENCODE_ID_REG(3, 0, 0, 1, 2),
- SYS_ID_MMFR0_EL1 = ENCODE_ID_REG(3, 0, 0, 1, 4),
- SYS_ID_MMFR1_EL1 = ENCODE_ID_REG(3, 0, 0, 1, 5),
- SYS_ID_MMFR2_EL1 = ENCODE_ID_REG(3, 0, 0, 1, 6),
- SYS_ID_MMFR3_EL1 = ENCODE_ID_REG(3, 0, 0, 1, 7),
- SYS_ID_ISAR0_EL1 = ENCODE_ID_REG(3, 0, 0, 2, 0),
- SYS_ID_ISAR1_EL1 = ENCODE_ID_REG(3, 0, 0, 2, 1),
- SYS_ID_ISAR2_EL1 = ENCODE_ID_REG(3, 0, 0, 2, 2),
- SYS_ID_ISAR3_EL1 = ENCODE_ID_REG(3, 0, 0, 2, 3),
- SYS_ID_ISAR4_EL1 = ENCODE_ID_REG(3, 0, 0, 2, 4),
- SYS_ID_ISAR5_EL1 = ENCODE_ID_REG(3, 0, 0, 2, 5),
- SYS_ID_MMFR4_EL1 = ENCODE_ID_REG(3, 0, 0, 2, 6),
- SYS_ID_ISAR6_EL1 = ENCODE_ID_REG(3, 0, 0, 2, 7),
- SYS_MVFR0_EL1 = ENCODE_ID_REG(3, 0, 0, 3, 0),
- SYS_MVFR1_EL1 = ENCODE_ID_REG(3, 0, 0, 3, 1),
- SYS_MVFR2_EL1 = ENCODE_ID_REG(3, 0, 0, 3, 2),
- SYS_ID_PFR2_EL1 = ENCODE_ID_REG(3, 0, 0, 3, 4),
- SYS_ID_DFR1_EL1 = ENCODE_ID_REG(3, 0, 0, 3, 5),
- SYS_ID_MMFR5_EL1 = ENCODE_ID_REG(3, 0, 0, 3, 6),
- SYS_ID_AA64ZFR0_EL1 = ENCODE_ID_REG(3, 0, 0, 4, 4),
- SYS_CTR_EL0 = ENCODE_ID_REG(3, 3, 0, 0, 1),
-} ARMSysRegs;
-
-static const uint32_t id_register_sysreg[NUM_ID_IDX] = {
- [ID_AA64PFR0_EL1_IDX] = SYS_ID_AA64PFR0_EL1,
- [ID_AA64PFR1_EL1_IDX] = SYS_ID_AA64PFR1_EL1,
- [ID_AA64SMFR0_EL1_IDX] = SYS_ID_AA64SMFR0_EL1,
- [ID_AA64DFR0_EL1_IDX] = SYS_ID_AA64DFR0_EL1,
- [ID_AA64DFR1_EL1_IDX] = SYS_ID_AA64DFR1_EL1,
- [ID_AA64ISAR0_EL1_IDX] = SYS_ID_AA64ISAR0_EL1,
- [ID_AA64ISAR1_EL1_IDX] = SYS_ID_AA64ISAR1_EL1,
- [ID_AA64ISAR2_EL1_IDX] = SYS_ID_AA64ISAR2_EL1,
- [ID_AA64MMFR0_EL1_IDX] = SYS_ID_AA64MMFR0_EL1,
- [ID_AA64MMFR1_EL1_IDX] = SYS_ID_AA64MMFR1_EL1,
- [ID_AA64MMFR2_EL1_IDX] = SYS_ID_AA64MMFR2_EL1,
- [ID_AA64MMFR3_EL1_IDX] = SYS_ID_AA64MMFR3_EL1,
- [ID_PFR0_EL1_IDX] = SYS_ID_PFR0_EL1,
- [ID_PFR1_EL1_IDX] = SYS_ID_PFR1_EL1,
- [ID_DFR0_EL1_IDX] = SYS_ID_DFR0_EL1,
- [ID_MMFR0_EL1_IDX] = SYS_ID_MMFR0_EL1,
- [ID_MMFR1_EL1_IDX] = SYS_ID_MMFR1_EL1,
- [ID_MMFR2_EL1_IDX] = SYS_ID_MMFR2_EL1,
- [ID_MMFR3_EL1_IDX] = SYS_ID_MMFR3_EL1,
- [ID_ISAR0_EL1_IDX] = SYS_ID_ISAR0_EL1,
- [ID_ISAR1_EL1_IDX] = SYS_ID_ISAR1_EL1,
- [ID_ISAR2_EL1_IDX] = SYS_ID_ISAR2_EL1,
- [ID_ISAR3_EL1_IDX] = SYS_ID_ISAR3_EL1,
- [ID_ISAR4_EL1_IDX] = SYS_ID_ISAR4_EL1,
- [ID_ISAR5_EL1_IDX] = SYS_ID_ISAR5_EL1,
- [ID_MMFR4_EL1_IDX] = SYS_ID_MMFR4_EL1,
- [ID_ISAR6_EL1_IDX] = SYS_ID_ISAR6_EL1,
- [MVFR0_EL1_IDX] = SYS_MVFR0_EL1,
- [MVFR1_EL1_IDX] = SYS_MVFR1_EL1,
- [MVFR2_EL1_IDX] = SYS_MVFR2_EL1,
- [ID_PFR2_EL1_IDX] = SYS_ID_PFR2_EL1,
- [ID_DFR1_EL1_IDX] = SYS_ID_DFR1_EL1,
- [ID_MMFR5_EL1_IDX] = SYS_ID_MMFR5_EL1,
- [ID_AA64ZFR0_EL1_IDX] = SYS_ID_AA64ZFR0_EL1,
- [CTR_EL0_IDX] = SYS_CTR_EL0,
-};
+/* include generated definitions */
+#include "cpu-sysregs.h.inc"
int get_sysreg_idx(ARMSysRegs sysreg);
uint64_t idregs_sysreg_to_kvm_reg(ARMSysRegs sysreg);
diff --git a/target/arm/cpu-sysregs.h.inc b/target/arm/cpu-sysregs.h.inc
new file mode 100644
index 000000000000..9236c36696df
--- /dev/null
+++ b/target/arm/cpu-sysregs.h.inc
@@ -0,0 +1,167 @@
+/* GENERATED FILE -- DO NOT EDIT */
+#ifndef ARCH_ARM_CPU_SYSREGS_H_INC
+#define ARCH_ARM_CPU_SYSREGS_H_INC
+
+typedef enum ARMIDRegisterIdx {
+ ID_PFR0_EL1_IDX,
+ ID_PFR1_EL1_IDX,
+ ID_DFR0_EL1_IDX,
+ ID_AFR0_EL1_IDX,
+ ID_MMFR0_EL1_IDX,
+ ID_MMFR1_EL1_IDX,
+ ID_MMFR2_EL1_IDX,
+ ID_MMFR3_EL1_IDX,
+ ID_ISAR0_EL1_IDX,
+ ID_ISAR1_EL1_IDX,
+ ID_ISAR2_EL1_IDX,
+ ID_ISAR3_EL1_IDX,
+ ID_ISAR4_EL1_IDX,
+ ID_ISAR5_EL1_IDX,
+ ID_ISAR6_EL1_IDX,
+ ID_MMFR4_EL1_IDX,
+ MVFR0_EL1_IDX,
+ MVFR1_EL1_IDX,
+ MVFR2_EL1_IDX,
+ ID_PFR2_EL1_IDX,
+ ID_DFR1_EL1_IDX,
+ ID_MMFR5_EL1_IDX,
+ ID_AA64PFR0_EL1_IDX,
+ ID_AA64PFR1_EL1_IDX,
+ ID_AA64PFR2_EL1_IDX,
+ ID_AA64ZFR0_EL1_IDX,
+ ID_AA64SMFR0_EL1_IDX,
+ ID_AA64FPFR0_EL1_IDX,
+ ID_AA64DFR0_EL1_IDX,
+ ID_AA64DFR1_EL1_IDX,
+ ID_AA64DFR2_EL1_IDX,
+ ID_AA64AFR0_EL1_IDX,
+ ID_AA64AFR1_EL1_IDX,
+ ID_AA64ISAR0_EL1_IDX,
+ ID_AA64ISAR1_EL1_IDX,
+ ID_AA64ISAR2_EL1_IDX,
+ ID_AA64ISAR3_EL1_IDX,
+ ID_AA64MMFR0_EL1_IDX,
+ ID_AA64MMFR1_EL1_IDX,
+ ID_AA64MMFR2_EL1_IDX,
+ ID_AA64MMFR3_EL1_IDX,
+ ID_AA64MMFR4_EL1_IDX,
+ CCSIDR_EL1_IDX,
+ CLIDR_EL1_IDX,
+ CCSIDR2_EL1_IDX,
+ GMID_EL1_IDX,
+ SMIDR_EL1_IDX,
+ CSSELR_EL1_IDX,
+ CTR_EL0_IDX,
+ DCZID_EL0_IDX,
+ NUM_ID_IDX,
+} ARMIDRegisterIdx;
+
+
+typedef enum ARMSysRegs {
+ SYS_ID_PFR0_EL1 = ENCODE_ID_REG(3, 0, 0, 1, 0),
+ SYS_ID_PFR1_EL1 = ENCODE_ID_REG(3, 0, 0, 1, 1),
+ SYS_ID_DFR0_EL1 = ENCODE_ID_REG(3, 0, 0, 1, 2),
+ SYS_ID_AFR0_EL1 = ENCODE_ID_REG(3, 0, 0, 1, 3),
+ SYS_ID_MMFR0_EL1 = ENCODE_ID_REG(3, 0, 0, 1, 4),
+ SYS_ID_MMFR1_EL1 = ENCODE_ID_REG(3, 0, 0, 1, 5),
+ SYS_ID_MMFR2_EL1 = ENCODE_ID_REG(3, 0, 0, 1, 6),
+ SYS_ID_MMFR3_EL1 = ENCODE_ID_REG(3, 0, 0, 1, 7),
+ SYS_ID_ISAR0_EL1 = ENCODE_ID_REG(3, 0, 0, 2, 0),
+ SYS_ID_ISAR1_EL1 = ENCODE_ID_REG(3, 0, 0, 2, 1),
+ SYS_ID_ISAR2_EL1 = ENCODE_ID_REG(3, 0, 0, 2, 2),
+ SYS_ID_ISAR3_EL1 = ENCODE_ID_REG(3, 0, 0, 2, 3),
+ SYS_ID_ISAR4_EL1 = ENCODE_ID_REG(3, 0, 0, 2, 4),
+ SYS_ID_ISAR5_EL1 = ENCODE_ID_REG(3, 0, 0, 2, 5),
+ SYS_ID_ISAR6_EL1 = ENCODE_ID_REG(3, 0, 0, 2, 7),
+ SYS_ID_MMFR4_EL1 = ENCODE_ID_REG(3, 0, 0, 2, 6),
+ SYS_MVFR0_EL1 = ENCODE_ID_REG(3, 0, 0, 3, 0),
+ SYS_MVFR1_EL1 = ENCODE_ID_REG(3, 0, 0, 3, 1),
+ SYS_MVFR2_EL1 = ENCODE_ID_REG(3, 0, 0, 3, 2),
+ SYS_ID_PFR2_EL1 = ENCODE_ID_REG(3, 0, 0, 3, 4),
+ SYS_ID_DFR1_EL1 = ENCODE_ID_REG(3, 0, 0, 3, 5),
+ SYS_ID_MMFR5_EL1 = ENCODE_ID_REG(3, 0, 0, 3, 6),
+ SYS_ID_AA64PFR0_EL1 = ENCODE_ID_REG(3, 0, 0, 4, 0),
+ SYS_ID_AA64PFR1_EL1 = ENCODE_ID_REG(3, 0, 0, 4, 1),
+ SYS_ID_AA64PFR2_EL1 = ENCODE_ID_REG(3, 0, 0, 4, 2),
+ SYS_ID_AA64ZFR0_EL1 = ENCODE_ID_REG(3, 0, 0, 4, 4),
+ SYS_ID_AA64SMFR0_EL1 = ENCODE_ID_REG(3, 0, 0, 4, 5),
+ SYS_ID_AA64FPFR0_EL1 = ENCODE_ID_REG(3, 0, 0, 4, 7),
+ SYS_ID_AA64DFR0_EL1 = ENCODE_ID_REG(3, 0, 0, 5, 0),
+ SYS_ID_AA64DFR1_EL1 = ENCODE_ID_REG(3, 0, 0, 5, 1),
+ SYS_ID_AA64DFR2_EL1 = ENCODE_ID_REG(3, 0, 0, 5, 2),
+ SYS_ID_AA64AFR0_EL1 = ENCODE_ID_REG(3, 0, 0, 5, 4),
+ SYS_ID_AA64AFR1_EL1 = ENCODE_ID_REG(3, 0, 0, 5, 5),
+ SYS_ID_AA64ISAR0_EL1 = ENCODE_ID_REG(3, 0, 0, 6, 0),
+ SYS_ID_AA64ISAR1_EL1 = ENCODE_ID_REG(3, 0, 0, 6, 1),
+ SYS_ID_AA64ISAR2_EL1 = ENCODE_ID_REG(3, 0, 0, 6, 2),
+ SYS_ID_AA64ISAR3_EL1 = ENCODE_ID_REG(3, 0, 0, 6, 3),
+ SYS_ID_AA64MMFR0_EL1 = ENCODE_ID_REG(3, 0, 0, 7, 0),
+ SYS_ID_AA64MMFR1_EL1 = ENCODE_ID_REG(3, 0, 0, 7, 1),
+ SYS_ID_AA64MMFR2_EL1 = ENCODE_ID_REG(3, 0, 0, 7, 2),
+ SYS_ID_AA64MMFR3_EL1 = ENCODE_ID_REG(3, 0, 0, 7, 3),
+ SYS_ID_AA64MMFR4_EL1 = ENCODE_ID_REG(3, 0, 0, 7, 4),
+ SYS_CCSIDR_EL1 = ENCODE_ID_REG(3, 1, 0, 0, 0),
+ SYS_CLIDR_EL1 = ENCODE_ID_REG(3, 1, 0, 0, 1),
+ SYS_CCSIDR2_EL1 = ENCODE_ID_REG(3, 1, 0, 0, 2),
+ SYS_GMID_EL1 = ENCODE_ID_REG(3, 1, 0, 0, 4),
+ SYS_SMIDR_EL1 = ENCODE_ID_REG(3, 1, 0, 0, 6),
+ SYS_CSSELR_EL1 = ENCODE_ID_REG(3, 2, 0, 0, 0),
+ SYS_CTR_EL0 = ENCODE_ID_REG(3, 3, 0, 0, 1),
+ SYS_DCZID_EL0 = ENCODE_ID_REG(3, 3, 0, 0, 7),
+} ARMSysRegs;
+
+
+static const uint32_t id_register_sysreg[NUM_ID_IDX] = {
+ [ID_PFR0_EL1_IDX] = SYS_ID_PFR0_EL1,
+ [ID_PFR1_EL1_IDX] = SYS_ID_PFR1_EL1,
+ [ID_DFR0_EL1_IDX] = SYS_ID_DFR0_EL1,
+ [ID_AFR0_EL1_IDX] = SYS_ID_AFR0_EL1,
+ [ID_MMFR0_EL1_IDX] = SYS_ID_MMFR0_EL1,
+ [ID_MMFR1_EL1_IDX] = SYS_ID_MMFR1_EL1,
+ [ID_MMFR2_EL1_IDX] = SYS_ID_MMFR2_EL1,
+ [ID_MMFR3_EL1_IDX] = SYS_ID_MMFR3_EL1,
+ [ID_ISAR0_EL1_IDX] = SYS_ID_ISAR0_EL1,
+ [ID_ISAR1_EL1_IDX] = SYS_ID_ISAR1_EL1,
+ [ID_ISAR2_EL1_IDX] = SYS_ID_ISAR2_EL1,
+ [ID_ISAR3_EL1_IDX] = SYS_ID_ISAR3_EL1,
+ [ID_ISAR4_EL1_IDX] = SYS_ID_ISAR4_EL1,
+ [ID_ISAR5_EL1_IDX] = SYS_ID_ISAR5_EL1,
+ [ID_ISAR6_EL1_IDX] = SYS_ID_ISAR6_EL1,
+ [ID_MMFR4_EL1_IDX] = SYS_ID_MMFR4_EL1,
+ [MVFR0_EL1_IDX] = SYS_MVFR0_EL1,
+ [MVFR1_EL1_IDX] = SYS_MVFR1_EL1,
+ [MVFR2_EL1_IDX] = SYS_MVFR2_EL1,
+ [ID_PFR2_EL1_IDX] = SYS_ID_PFR2_EL1,
+ [ID_DFR1_EL1_IDX] = SYS_ID_DFR1_EL1,
+ [ID_MMFR5_EL1_IDX] = SYS_ID_MMFR5_EL1,
+ [ID_AA64PFR0_EL1_IDX] = SYS_ID_AA64PFR0_EL1,
+ [ID_AA64PFR1_EL1_IDX] = SYS_ID_AA64PFR1_EL1,
+ [ID_AA64PFR2_EL1_IDX] = SYS_ID_AA64PFR2_EL1,
+ [ID_AA64ZFR0_EL1_IDX] = SYS_ID_AA64ZFR0_EL1,
+ [ID_AA64SMFR0_EL1_IDX] = SYS_ID_AA64SMFR0_EL1,
+ [ID_AA64FPFR0_EL1_IDX] = SYS_ID_AA64FPFR0_EL1,
+ [ID_AA64DFR0_EL1_IDX] = SYS_ID_AA64DFR0_EL1,
+ [ID_AA64DFR1_EL1_IDX] = SYS_ID_AA64DFR1_EL1,
+ [ID_AA64DFR2_EL1_IDX] = SYS_ID_AA64DFR2_EL1,
+ [ID_AA64AFR0_EL1_IDX] = SYS_ID_AA64AFR0_EL1,
+ [ID_AA64AFR1_EL1_IDX] = SYS_ID_AA64AFR1_EL1,
+ [ID_AA64ISAR0_EL1_IDX] = SYS_ID_AA64ISAR0_EL1,
+ [ID_AA64ISAR1_EL1_IDX] = SYS_ID_AA64ISAR1_EL1,
+ [ID_AA64ISAR2_EL1_IDX] = SYS_ID_AA64ISAR2_EL1,
+ [ID_AA64ISAR3_EL1_IDX] = SYS_ID_AA64ISAR3_EL1,
+ [ID_AA64MMFR0_EL1_IDX] = SYS_ID_AA64MMFR0_EL1,
+ [ID_AA64MMFR1_EL1_IDX] = SYS_ID_AA64MMFR1_EL1,
+ [ID_AA64MMFR2_EL1_IDX] = SYS_ID_AA64MMFR2_EL1,
+ [ID_AA64MMFR3_EL1_IDX] = SYS_ID_AA64MMFR3_EL1,
+ [ID_AA64MMFR4_EL1_IDX] = SYS_ID_AA64MMFR4_EL1,
+ [CCSIDR_EL1_IDX] = SYS_CCSIDR_EL1,
+ [CLIDR_EL1_IDX] = SYS_CLIDR_EL1,
+ [CCSIDR2_EL1_IDX] = SYS_CCSIDR2_EL1,
+ [GMID_EL1_IDX] = SYS_GMID_EL1,
+ [SMIDR_EL1_IDX] = SYS_SMIDR_EL1,
+ [CSSELR_EL1_IDX] = SYS_CSSELR_EL1,
+ [CTR_EL0_IDX] = SYS_CTR_EL0,
+ [DCZID_EL0_IDX] = SYS_DCZID_EL0,
+};
+
+#endif /* ARCH_ARM_CPU_SYSREGS_H_INC */
--
2.48.1
^ permalink raw reply related [flat|nested] 19+ messages in thread
* Re: [PATCH v2 01/14] arm/cpu: Add sysreg definitions in cpu-sysregs.h
2025-03-05 16:38 ` [PATCH v2 01/14] arm/cpu: Add sysreg definitions in cpu-sysregs.h Cornelia Huck
@ 2025-03-06 1:14 ` Richard Henderson
2025-03-07 15:32 ` Cornelia Huck
0 siblings, 1 reply; 19+ messages in thread
From: Richard Henderson @ 2025-03-06 1:14 UTC (permalink / raw)
To: Cornelia Huck, qemu-devel, qemu-arm
On 3/5/25 08:38, Cornelia Huck wrote:
> +++ b/target/arm/cpu-sysregs.h
> @@ -0,0 +1,131 @@
> +#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))
> +
> +typedef enum ARMIDRegisterIdx {
> + ID_AA64PFR0_EL1_IDX,
> + ID_AA64PFR1_EL1_IDX,
> + ID_AA64SMFR0_EL1_IDX,
> + ID_AA64DFR0_EL1_IDX,
> + ID_AA64DFR1_EL1_IDX,
> + ID_AA64ISAR0_EL1_IDX,
> + ID_AA64ISAR1_EL1_IDX,
> + ID_AA64ISAR2_EL1_IDX,
> + ID_AA64MMFR0_EL1_IDX,
> + ID_AA64MMFR1_EL1_IDX,
> + ID_AA64MMFR2_EL1_IDX,
> + ID_AA64MMFR3_EL1_IDX,
> + ID_PFR0_EL1_IDX,
> + ID_PFR1_EL1_IDX,
> + ID_DFR0_EL1_IDX,
> + ID_MMFR0_EL1_IDX,
> + ID_MMFR1_EL1_IDX,
> + ID_MMFR2_EL1_IDX,
> + ID_MMFR3_EL1_IDX,
> + ID_ISAR0_EL1_IDX,
> + ID_ISAR1_EL1_IDX,
> + ID_ISAR2_EL1_IDX,
> + ID_ISAR3_EL1_IDX,
> + ID_ISAR4_EL1_IDX,
> + ID_ISAR5_EL1_IDX,
> + ID_MMFR4_EL1_IDX,
> + ID_ISAR6_EL1_IDX,
> + MVFR0_EL1_IDX,
> + MVFR1_EL1_IDX,
> + MVFR2_EL1_IDX,
> + ID_PFR2_EL1_IDX,
> + ID_DFR1_EL1_IDX,
> + ID_MMFR5_EL1_IDX,
> + ID_AA64ZFR0_EL1_IDX,
> + CTR_EL0_IDX,
> + NUM_ID_IDX,
> +} ARMIDRegisterIdx;
> +
> +typedef enum ARMSysRegs {
> + SYS_ID_AA64PFR0_EL1 = ENCODE_ID_REG(3, 0, 0, 4, 0),
> + SYS_ID_AA64PFR1_EL1 = ENCODE_ID_REG(3, 0, 0, 4, 1),
> + SYS_ID_AA64SMFR0_EL1 = ENCODE_ID_REG(3, 0, 0, 4, 5),
> + SYS_ID_AA64DFR0_EL1 = ENCODE_ID_REG(3, 0, 0, 5, 0),
> + SYS_ID_AA64DFR1_EL1 = ENCODE_ID_REG(3, 0, 0, 5, 1),
> + SYS_ID_AA64ISAR0_EL1 = ENCODE_ID_REG(3, 0, 0, 6, 0),
> + SYS_ID_AA64ISAR1_EL1 = ENCODE_ID_REG(3, 0, 0, 6, 1),
> + SYS_ID_AA64ISAR2_EL1 = ENCODE_ID_REG(3, 0, 0, 6, 2),
> + SYS_ID_AA64MMFR0_EL1 = ENCODE_ID_REG(3, 0, 0, 7, 0),
> + SYS_ID_AA64MMFR1_EL1 = ENCODE_ID_REG(3, 0, 0, 7, 1),
> + SYS_ID_AA64MMFR2_EL1 = ENCODE_ID_REG(3, 0, 0, 7, 2),
> + SYS_ID_AA64MMFR3_EL1 = ENCODE_ID_REG(3, 0, 0, 7, 3),
> + SYS_ID_PFR0_EL1 = ENCODE_ID_REG(3, 0, 0, 1, 0),
> + SYS_ID_PFR1_EL1 = ENCODE_ID_REG(3, 0, 0, 1, 1),
> + SYS_ID_DFR0_EL1 = ENCODE_ID_REG(3, 0, 0, 1, 2),
> + SYS_ID_MMFR0_EL1 = ENCODE_ID_REG(3, 0, 0, 1, 4),
> + SYS_ID_MMFR1_EL1 = ENCODE_ID_REG(3, 0, 0, 1, 5),
> + SYS_ID_MMFR2_EL1 = ENCODE_ID_REG(3, 0, 0, 1, 6),
> + SYS_ID_MMFR3_EL1 = ENCODE_ID_REG(3, 0, 0, 1, 7),
> + SYS_ID_ISAR0_EL1 = ENCODE_ID_REG(3, 0, 0, 2, 0),
> + SYS_ID_ISAR1_EL1 = ENCODE_ID_REG(3, 0, 0, 2, 1),
> + SYS_ID_ISAR2_EL1 = ENCODE_ID_REG(3, 0, 0, 2, 2),
> + SYS_ID_ISAR3_EL1 = ENCODE_ID_REG(3, 0, 0, 2, 3),
> + SYS_ID_ISAR4_EL1 = ENCODE_ID_REG(3, 0, 0, 2, 4),
> + SYS_ID_ISAR5_EL1 = ENCODE_ID_REG(3, 0, 0, 2, 5),
> + SYS_ID_MMFR4_EL1 = ENCODE_ID_REG(3, 0, 0, 2, 6),
> + SYS_ID_ISAR6_EL1 = ENCODE_ID_REG(3, 0, 0, 2, 7),
> + SYS_MVFR0_EL1 = ENCODE_ID_REG(3, 0, 0, 3, 0),
> + SYS_MVFR1_EL1 = ENCODE_ID_REG(3, 0, 0, 3, 1),
> + SYS_MVFR2_EL1 = ENCODE_ID_REG(3, 0, 0, 3, 2),
> + SYS_ID_PFR2_EL1 = ENCODE_ID_REG(3, 0, 0, 3, 4),
> + SYS_ID_DFR1_EL1 = ENCODE_ID_REG(3, 0, 0, 3, 5),
> + SYS_ID_MMFR5_EL1 = ENCODE_ID_REG(3, 0, 0, 3, 6),
> + SYS_ID_AA64ZFR0_EL1 = ENCODE_ID_REG(3, 0, 0, 4, 4),
> + SYS_CTR_EL0 = ENCODE_ID_REG(3, 3, 0, 0, 1),
> +} ARMSysRegs;
> +
> +static const uint32_t id_register_sysreg[NUM_ID_IDX] = {
> + [ID_AA64PFR0_EL1_IDX] = SYS_ID_AA64PFR0_EL1,
> + [ID_AA64PFR1_EL1_IDX] = SYS_ID_AA64PFR1_EL1,
> + [ID_AA64SMFR0_EL1_IDX] = SYS_ID_AA64SMFR0_EL1,
> + [ID_AA64DFR0_EL1_IDX] = SYS_ID_AA64DFR0_EL1,
> + [ID_AA64DFR1_EL1_IDX] = SYS_ID_AA64DFR1_EL1,
> + [ID_AA64ISAR0_EL1_IDX] = SYS_ID_AA64ISAR0_EL1,
> + [ID_AA64ISAR1_EL1_IDX] = SYS_ID_AA64ISAR1_EL1,
> + [ID_AA64ISAR2_EL1_IDX] = SYS_ID_AA64ISAR2_EL1,
> + [ID_AA64MMFR0_EL1_IDX] = SYS_ID_AA64MMFR0_EL1,
> + [ID_AA64MMFR1_EL1_IDX] = SYS_ID_AA64MMFR1_EL1,
> + [ID_AA64MMFR2_EL1_IDX] = SYS_ID_AA64MMFR2_EL1,
> + [ID_AA64MMFR3_EL1_IDX] = SYS_ID_AA64MMFR3_EL1,
> + [ID_PFR0_EL1_IDX] = SYS_ID_PFR0_EL1,
> + [ID_PFR1_EL1_IDX] = SYS_ID_PFR1_EL1,
> + [ID_DFR0_EL1_IDX] = SYS_ID_DFR0_EL1,
> + [ID_MMFR0_EL1_IDX] = SYS_ID_MMFR0_EL1,
> + [ID_MMFR1_EL1_IDX] = SYS_ID_MMFR1_EL1,
> + [ID_MMFR2_EL1_IDX] = SYS_ID_MMFR2_EL1,
> + [ID_MMFR3_EL1_IDX] = SYS_ID_MMFR3_EL1,
> + [ID_ISAR0_EL1_IDX] = SYS_ID_ISAR0_EL1,
> + [ID_ISAR1_EL1_IDX] = SYS_ID_ISAR1_EL1,
> + [ID_ISAR2_EL1_IDX] = SYS_ID_ISAR2_EL1,
> + [ID_ISAR3_EL1_IDX] = SYS_ID_ISAR3_EL1,
> + [ID_ISAR4_EL1_IDX] = SYS_ID_ISAR4_EL1,
> + [ID_ISAR5_EL1_IDX] = SYS_ID_ISAR5_EL1,
> + [ID_MMFR4_EL1_IDX] = SYS_ID_MMFR4_EL1,
> + [ID_ISAR6_EL1_IDX] = SYS_ID_ISAR6_EL1,
> + [MVFR0_EL1_IDX] = SYS_MVFR0_EL1,
> + [MVFR1_EL1_IDX] = SYS_MVFR1_EL1,
> + [MVFR2_EL1_IDX] = SYS_MVFR2_EL1,
> + [ID_PFR2_EL1_IDX] = SYS_ID_PFR2_EL1,
> + [ID_DFR1_EL1_IDX] = SYS_ID_DFR1_EL1,
> + [ID_MMFR5_EL1_IDX] = SYS_ID_MMFR5_EL1,
> + [ID_AA64ZFR0_EL1_IDX] = SYS_ID_AA64ZFR0_EL1,
> + [CTR_EL0_IDX] = SYS_CTR_EL0,
> +};
Again, you should NOT place this array in a header,
to be replicated in every single user of the header.
This can be a bit more automated to avoid mistakes.
--- target/arm/cpu-sysregs.h.inc
DEF(ID_AA64PFR0_EL1, 3, 0, 0, 4, 0)
...
--- target/arm/cpu-sysregs.h
#define DEF(NAME, OP0, OP1, CRN, CRM, OP2) NAME##_IDX,
typedef enum ARMIDRegisterIdx {
#include "cpu-sysregs.h.inc"
} 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
r~
^ permalink raw reply [flat|nested] 19+ messages in thread
* Re: [PATCH v2 02/14] arm/kvm: add accessors for storing host features into idregs
2025-03-05 16:38 ` [PATCH v2 02/14] arm/kvm: add accessors for storing host features into idregs Cornelia Huck
@ 2025-03-06 1:15 ` Richard Henderson
2025-03-07 15:35 ` Cornelia Huck
0 siblings, 1 reply; 19+ messages in thread
From: Richard Henderson @ 2025-03-06 1:15 UTC (permalink / raw)
To: Cornelia Huck, qemu-devel, qemu-arm
On 3/5/25 08:38, Cornelia Huck wrote:
> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
> ---
> target/arm/cpu-sysregs.h | 3 +++
> target/arm/cpu64.c | 25 +++++++++++++++++++++++++
> target/arm/kvm.c | 12 ++++++++++++
> 3 files changed, 40 insertions(+)
>
> diff --git a/target/arm/cpu-sysregs.h b/target/arm/cpu-sysregs.h
> index de09ebae91a5..54a4fadbf0c1 100644
> --- a/target/arm/cpu-sysregs.h
> +++ b/target/arm/cpu-sysregs.h
> @@ -128,4 +128,7 @@ static const uint32_t id_register_sysreg[NUM_ID_IDX] = {
> [CTR_EL0_IDX] = SYS_CTR_EL0,
> };
>
> +int get_sysreg_idx(ARMSysRegs sysreg);
> +uint64_t idregs_sysreg_to_kvm_reg(ARMSysRegs sysreg);
> +
> #endif /* ARM_CPU_SYSREGS_H */
> diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c
> index 8188ede5cc8a..9ae78253cb34 100644
> --- a/target/arm/cpu64.c
> +++ b/target/arm/cpu64.c
> @@ -736,6 +736,31 @@ static void aarch64_a53_initfn(Object *obj)
> define_cortex_a72_a57_a53_cp_reginfo(cpu);
> }
>
> +#ifdef CONFIG_KVM
> +
> +int get_sysreg_idx(ARMSysRegs sysreg)
> +{
> + int i;
> +
> + for (i = 0; i < NUM_ID_IDX; i++) {
> + if (id_register_sysreg[i] == sysreg) {
> + return i;
> + }
> + }
> + return -1;
> +}
> +
> +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);
> +}
> +
> +#endif
Why are these here, with an ifdef, instead of in kvm.c?
Rather than a loop over an array, you could do
#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
> diff --git a/target/arm/kvm.c b/target/arm/kvm.c
> index da30bdbb2349..2381c87e4ba1 100644
> --- a/target/arm/kvm.c
> +++ b/target/arm/kvm.c
> @@ -246,6 +246,18 @@ static bool kvm_arm_pauth_supported(void)
> kvm_check_extension(kvm_state, KVM_CAP_ARM_PTRAUTH_GENERIC));
> }
>
> +/* 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;
> +}
Surely this patch doesn't compile by itself,
because this will Werror for the unused function.
r~
^ permalink raw reply [flat|nested] 19+ messages in thread
* Re: [PATCH v2 01/14] arm/cpu: Add sysreg definitions in cpu-sysregs.h
2025-03-06 1:14 ` Richard Henderson
@ 2025-03-07 15:32 ` Cornelia Huck
0 siblings, 0 replies; 19+ messages in thread
From: Cornelia Huck @ 2025-03-07 15:32 UTC (permalink / raw)
To: Richard Henderson, qemu-devel, qemu-arm
On Wed, Mar 05 2025, Richard Henderson <richard.henderson@linaro.org> wrote:
> On 3/5/25 08:38, Cornelia Huck wrote:
>> +++ b/target/arm/cpu-sysregs.h
>> @@ -0,0 +1,131 @@
>> +#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))
>> +
>> +typedef enum ARMIDRegisterIdx {
>> + ID_AA64PFR0_EL1_IDX,
>> + ID_AA64PFR1_EL1_IDX,
>> + ID_AA64SMFR0_EL1_IDX,
>> + ID_AA64DFR0_EL1_IDX,
>> + ID_AA64DFR1_EL1_IDX,
>> + ID_AA64ISAR0_EL1_IDX,
>> + ID_AA64ISAR1_EL1_IDX,
>> + ID_AA64ISAR2_EL1_IDX,
>> + ID_AA64MMFR0_EL1_IDX,
>> + ID_AA64MMFR1_EL1_IDX,
>> + ID_AA64MMFR2_EL1_IDX,
>> + ID_AA64MMFR3_EL1_IDX,
>> + ID_PFR0_EL1_IDX,
>> + ID_PFR1_EL1_IDX,
>> + ID_DFR0_EL1_IDX,
>> + ID_MMFR0_EL1_IDX,
>> + ID_MMFR1_EL1_IDX,
>> + ID_MMFR2_EL1_IDX,
>> + ID_MMFR3_EL1_IDX,
>> + ID_ISAR0_EL1_IDX,
>> + ID_ISAR1_EL1_IDX,
>> + ID_ISAR2_EL1_IDX,
>> + ID_ISAR3_EL1_IDX,
>> + ID_ISAR4_EL1_IDX,
>> + ID_ISAR5_EL1_IDX,
>> + ID_MMFR4_EL1_IDX,
>> + ID_ISAR6_EL1_IDX,
>> + MVFR0_EL1_IDX,
>> + MVFR1_EL1_IDX,
>> + MVFR2_EL1_IDX,
>> + ID_PFR2_EL1_IDX,
>> + ID_DFR1_EL1_IDX,
>> + ID_MMFR5_EL1_IDX,
>> + ID_AA64ZFR0_EL1_IDX,
>> + CTR_EL0_IDX,
>> + NUM_ID_IDX,
>> +} ARMIDRegisterIdx;
>> +
>> +typedef enum ARMSysRegs {
>> + SYS_ID_AA64PFR0_EL1 = ENCODE_ID_REG(3, 0, 0, 4, 0),
>> + SYS_ID_AA64PFR1_EL1 = ENCODE_ID_REG(3, 0, 0, 4, 1),
>> + SYS_ID_AA64SMFR0_EL1 = ENCODE_ID_REG(3, 0, 0, 4, 5),
>> + SYS_ID_AA64DFR0_EL1 = ENCODE_ID_REG(3, 0, 0, 5, 0),
>> + SYS_ID_AA64DFR1_EL1 = ENCODE_ID_REG(3, 0, 0, 5, 1),
>> + SYS_ID_AA64ISAR0_EL1 = ENCODE_ID_REG(3, 0, 0, 6, 0),
>> + SYS_ID_AA64ISAR1_EL1 = ENCODE_ID_REG(3, 0, 0, 6, 1),
>> + SYS_ID_AA64ISAR2_EL1 = ENCODE_ID_REG(3, 0, 0, 6, 2),
>> + SYS_ID_AA64MMFR0_EL1 = ENCODE_ID_REG(3, 0, 0, 7, 0),
>> + SYS_ID_AA64MMFR1_EL1 = ENCODE_ID_REG(3, 0, 0, 7, 1),
>> + SYS_ID_AA64MMFR2_EL1 = ENCODE_ID_REG(3, 0, 0, 7, 2),
>> + SYS_ID_AA64MMFR3_EL1 = ENCODE_ID_REG(3, 0, 0, 7, 3),
>> + SYS_ID_PFR0_EL1 = ENCODE_ID_REG(3, 0, 0, 1, 0),
>> + SYS_ID_PFR1_EL1 = ENCODE_ID_REG(3, 0, 0, 1, 1),
>> + SYS_ID_DFR0_EL1 = ENCODE_ID_REG(3, 0, 0, 1, 2),
>> + SYS_ID_MMFR0_EL1 = ENCODE_ID_REG(3, 0, 0, 1, 4),
>> + SYS_ID_MMFR1_EL1 = ENCODE_ID_REG(3, 0, 0, 1, 5),
>> + SYS_ID_MMFR2_EL1 = ENCODE_ID_REG(3, 0, 0, 1, 6),
>> + SYS_ID_MMFR3_EL1 = ENCODE_ID_REG(3, 0, 0, 1, 7),
>> + SYS_ID_ISAR0_EL1 = ENCODE_ID_REG(3, 0, 0, 2, 0),
>> + SYS_ID_ISAR1_EL1 = ENCODE_ID_REG(3, 0, 0, 2, 1),
>> + SYS_ID_ISAR2_EL1 = ENCODE_ID_REG(3, 0, 0, 2, 2),
>> + SYS_ID_ISAR3_EL1 = ENCODE_ID_REG(3, 0, 0, 2, 3),
>> + SYS_ID_ISAR4_EL1 = ENCODE_ID_REG(3, 0, 0, 2, 4),
>> + SYS_ID_ISAR5_EL1 = ENCODE_ID_REG(3, 0, 0, 2, 5),
>> + SYS_ID_MMFR4_EL1 = ENCODE_ID_REG(3, 0, 0, 2, 6),
>> + SYS_ID_ISAR6_EL1 = ENCODE_ID_REG(3, 0, 0, 2, 7),
>> + SYS_MVFR0_EL1 = ENCODE_ID_REG(3, 0, 0, 3, 0),
>> + SYS_MVFR1_EL1 = ENCODE_ID_REG(3, 0, 0, 3, 1),
>> + SYS_MVFR2_EL1 = ENCODE_ID_REG(3, 0, 0, 3, 2),
>> + SYS_ID_PFR2_EL1 = ENCODE_ID_REG(3, 0, 0, 3, 4),
>> + SYS_ID_DFR1_EL1 = ENCODE_ID_REG(3, 0, 0, 3, 5),
>> + SYS_ID_MMFR5_EL1 = ENCODE_ID_REG(3, 0, 0, 3, 6),
>> + SYS_ID_AA64ZFR0_EL1 = ENCODE_ID_REG(3, 0, 0, 4, 4),
>> + SYS_CTR_EL0 = ENCODE_ID_REG(3, 3, 0, 0, 1),
>> +} ARMSysRegs;
>> +
>> +static const uint32_t id_register_sysreg[NUM_ID_IDX] = {
>> + [ID_AA64PFR0_EL1_IDX] = SYS_ID_AA64PFR0_EL1,
>> + [ID_AA64PFR1_EL1_IDX] = SYS_ID_AA64PFR1_EL1,
>> + [ID_AA64SMFR0_EL1_IDX] = SYS_ID_AA64SMFR0_EL1,
>> + [ID_AA64DFR0_EL1_IDX] = SYS_ID_AA64DFR0_EL1,
>> + [ID_AA64DFR1_EL1_IDX] = SYS_ID_AA64DFR1_EL1,
>> + [ID_AA64ISAR0_EL1_IDX] = SYS_ID_AA64ISAR0_EL1,
>> + [ID_AA64ISAR1_EL1_IDX] = SYS_ID_AA64ISAR1_EL1,
>> + [ID_AA64ISAR2_EL1_IDX] = SYS_ID_AA64ISAR2_EL1,
>> + [ID_AA64MMFR0_EL1_IDX] = SYS_ID_AA64MMFR0_EL1,
>> + [ID_AA64MMFR1_EL1_IDX] = SYS_ID_AA64MMFR1_EL1,
>> + [ID_AA64MMFR2_EL1_IDX] = SYS_ID_AA64MMFR2_EL1,
>> + [ID_AA64MMFR3_EL1_IDX] = SYS_ID_AA64MMFR3_EL1,
>> + [ID_PFR0_EL1_IDX] = SYS_ID_PFR0_EL1,
>> + [ID_PFR1_EL1_IDX] = SYS_ID_PFR1_EL1,
>> + [ID_DFR0_EL1_IDX] = SYS_ID_DFR0_EL1,
>> + [ID_MMFR0_EL1_IDX] = SYS_ID_MMFR0_EL1,
>> + [ID_MMFR1_EL1_IDX] = SYS_ID_MMFR1_EL1,
>> + [ID_MMFR2_EL1_IDX] = SYS_ID_MMFR2_EL1,
>> + [ID_MMFR3_EL1_IDX] = SYS_ID_MMFR3_EL1,
>> + [ID_ISAR0_EL1_IDX] = SYS_ID_ISAR0_EL1,
>> + [ID_ISAR1_EL1_IDX] = SYS_ID_ISAR1_EL1,
>> + [ID_ISAR2_EL1_IDX] = SYS_ID_ISAR2_EL1,
>> + [ID_ISAR3_EL1_IDX] = SYS_ID_ISAR3_EL1,
>> + [ID_ISAR4_EL1_IDX] = SYS_ID_ISAR4_EL1,
>> + [ID_ISAR5_EL1_IDX] = SYS_ID_ISAR5_EL1,
>> + [ID_MMFR4_EL1_IDX] = SYS_ID_MMFR4_EL1,
>> + [ID_ISAR6_EL1_IDX] = SYS_ID_ISAR6_EL1,
>> + [MVFR0_EL1_IDX] = SYS_MVFR0_EL1,
>> + [MVFR1_EL1_IDX] = SYS_MVFR1_EL1,
>> + [MVFR2_EL1_IDX] = SYS_MVFR2_EL1,
>> + [ID_PFR2_EL1_IDX] = SYS_ID_PFR2_EL1,
>> + [ID_DFR1_EL1_IDX] = SYS_ID_DFR1_EL1,
>> + [ID_MMFR5_EL1_IDX] = SYS_ID_MMFR5_EL1,
>> + [ID_AA64ZFR0_EL1_IDX] = SYS_ID_AA64ZFR0_EL1,
>> + [CTR_EL0_IDX] = SYS_CTR_EL0,
>> +};
>
> Again, you should NOT place this array in a header,
> to be replicated in every single user of the header.
Hrm, I thought I had addressed this... but apparently not.
>
>
> This can be a bit more automated to avoid mistakes.
You mean to reduce this to a single invocation of the parsing script?
(The hand-written version is more error prone, I agree.)
>
> --- target/arm/cpu-sysregs.h.inc
>
> DEF(ID_AA64PFR0_EL1, 3, 0, 0, 4, 0)
> ...
>
> --- target/arm/cpu-sysregs.h
>
> #define DEF(NAME, OP0, OP1, CRN, CRM, OP2) NAME##_IDX,
>
> typedef enum ARMIDRegisterIdx {
> #include "cpu-sysregs.h.inc"
> } 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
>
>
> r~
^ permalink raw reply [flat|nested] 19+ messages in thread
* Re: [PATCH v2 02/14] arm/kvm: add accessors for storing host features into idregs
2025-03-06 1:15 ` Richard Henderson
@ 2025-03-07 15:35 ` Cornelia Huck
0 siblings, 0 replies; 19+ messages in thread
From: Cornelia Huck @ 2025-03-07 15:35 UTC (permalink / raw)
To: Richard Henderson, qemu-devel, qemu-arm
On Wed, Mar 05 2025, Richard Henderson <richard.henderson@linaro.org> wrote:
> On 3/5/25 08:38, Cornelia Huck wrote:
>> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
>> ---
>> target/arm/cpu-sysregs.h | 3 +++
>> target/arm/cpu64.c | 25 +++++++++++++++++++++++++
>> target/arm/kvm.c | 12 ++++++++++++
>> 3 files changed, 40 insertions(+)
>>
>> diff --git a/target/arm/cpu-sysregs.h b/target/arm/cpu-sysregs.h
>> index de09ebae91a5..54a4fadbf0c1 100644
>> --- a/target/arm/cpu-sysregs.h
>> +++ b/target/arm/cpu-sysregs.h
>> @@ -128,4 +128,7 @@ static const uint32_t id_register_sysreg[NUM_ID_IDX] = {
>> [CTR_EL0_IDX] = SYS_CTR_EL0,
>> };
>>
>> +int get_sysreg_idx(ARMSysRegs sysreg);
>> +uint64_t idregs_sysreg_to_kvm_reg(ARMSysRegs sysreg);
>> +
>> #endif /* ARM_CPU_SYSREGS_H */
>> diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c
>> index 8188ede5cc8a..9ae78253cb34 100644
>> --- a/target/arm/cpu64.c
>> +++ b/target/arm/cpu64.c
>> @@ -736,6 +736,31 @@ static void aarch64_a53_initfn(Object *obj)
>> define_cortex_a72_a57_a53_cp_reginfo(cpu);
>> }
>>
>> +#ifdef CONFIG_KVM
>> +
>> +int get_sysreg_idx(ARMSysRegs sysreg)
>> +{
>> + int i;
>> +
>> + for (i = 0; i < NUM_ID_IDX; i++) {
>> + if (id_register_sysreg[i] == sysreg) {
>> + return i;
>> + }
>> + }
>> + return -1;
>> +}
>> +
>> +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);
>> +}
>> +
>> +#endif
>
> Why are these here, with an ifdef, instead of in kvm.c?
>
> Rather than a loop over an array, you could do
>
> #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
Ok, now I see where you're going with the DEF(...) magic.
>
>> diff --git a/target/arm/kvm.c b/target/arm/kvm.c
>> index da30bdbb2349..2381c87e4ba1 100644
>> --- a/target/arm/kvm.c
>> +++ b/target/arm/kvm.c
>> @@ -246,6 +246,18 @@ static bool kvm_arm_pauth_supported(void)
>> kvm_check_extension(kvm_state, KVM_CAP_ARM_PTRAUTH_GENERIC));
>> }
>>
>> +/* 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;
>> +}
>
> Surely this patch doesn't compile by itself,
> because this will Werror for the unused function.
Hm, I'm pretty positive that I did intermediate compiles while sorting
the patches here... let me see if I can improve this.
^ permalink raw reply [flat|nested] 19+ messages in thread
end of thread, other threads:[~2025-03-07 15:35 UTC | newest]
Thread overview: 19+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2025-03-05 16:38 [PATCH v2 00/14] arm: rework id register storage Cornelia Huck
2025-03-05 16:38 ` [PATCH v2 01/14] arm/cpu: Add sysreg definitions in cpu-sysregs.h Cornelia Huck
2025-03-06 1:14 ` Richard Henderson
2025-03-07 15:32 ` Cornelia Huck
2025-03-05 16:38 ` [PATCH v2 02/14] arm/kvm: add accessors for storing host features into idregs Cornelia Huck
2025-03-06 1:15 ` Richard Henderson
2025-03-07 15:35 ` Cornelia Huck
2025-03-05 16:38 ` [PATCH v2 03/14] arm/cpu: Store aa64isar0/aa64zfr0 into the idregs arrays Cornelia Huck
2025-03-05 16:38 ` [PATCH v2 04/14] arm/cpu: Store aa64isar1/2 into the idregs array Cornelia Huck
2025-03-05 16:38 ` [PATCH v2 05/14] arm/cpu: Store aa64pfr0/1 " Cornelia Huck
2025-03-05 16:38 ` [PATCH v2 06/14] arm/cpu: Store aa64mmfr0-3 " Cornelia Huck
2025-03-05 16:38 ` [PATCH v2 07/14] arm/cpu: Store aa64dfr0/1 " Cornelia Huck
2025-03-05 16:38 ` [PATCH v2 08/14] arm/cpu: Store aa64smfr0 " Cornelia Huck
2025-03-05 16:38 ` [PATCH v2 09/14] arm/cpu: Store id_isar0-7 " Cornelia Huck
2025-03-05 16:38 ` [PATCH v2 10/14] arm/cpu: Store id_pfr0/1/2 " Cornelia Huck
2025-03-05 16:38 ` [PATCH v2 11/14] arm/cpu: Store id_dfr0/1 " Cornelia Huck
2025-03-05 16:38 ` [PATCH v2 12/14] arm/cpu: Store id_mmfr0-5 " Cornelia Huck
2025-03-05 16:38 ` [PATCH v2 13/14] arm/cpu: Add sysreg generation scripts Cornelia Huck
2025-03-05 16:38 ` [PATCH v2 14/14] arm/cpu: Add generated files Cornelia Huck
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