From: Aditya Gupta <adityag@linux.ibm.com>
To: "Mahesh J Salgaonkar" <mahesh@linux.ibm.com>,
"Madhavan Srinivasan" <maddy@linux.ibm.com>,
"Nicholas Piggin" <npiggin@gmail.com>,
"Cédric Le Goater" <clg@kaod.org>,
"Harsh Prateek Bora" <harshpb@linux.ibm.com>
Cc: <qemu-devel@nongnu.org>, <qemu-ppc@nongnu.org>
Subject: [PATCH v6 RESEND 1/5] target/ppc: Reduce code duplication across Power9/10 init code
Date: Wed, 31 Jul 2024 11:20:18 +0530 [thread overview]
Message-ID: <20240731055022.696051-2-adityag@linux.ibm.com> (raw)
In-Reply-To: <20240731055022.696051-1-adityag@linux.ibm.com>
From: Harsh Prateek Bora <harshpb@linux.ibm.com>
Power9/10 initialization code consists of a lot of logical OR of
various flag bits as supported by respective Power platform during its
initialization, most of which is duplicated and only selected bits are
added or removed as needed with each new platform support being added.
Remove the duplicate code and share using common macros.
Reviewed-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
[adityag: renamed many POWERPC_* flags to PPC_* flags, checkpatch fixes]
Signed-off-by: Aditya Gupta <adityag@linux.ibm.com>
---
target/ppc/cpu_init.c | 124 +++++-------------------------------------
target/ppc/cpu_init.h | 84 ++++++++++++++++++++++++++++
2 files changed, 99 insertions(+), 109 deletions(-)
create mode 100644 target/ppc/cpu_init.h
diff --git a/target/ppc/cpu_init.c b/target/ppc/cpu_init.c
index 23881d09e9f3..4c7368cfaeb5 100644
--- a/target/ppc/cpu_init.c
+++ b/target/ppc/cpu_init.c
@@ -52,6 +52,7 @@
#include "kvm_ppc.h"
#endif
+#include "cpu_init.h"
/* #define PPC_DEBUG_SPR */
/* #define USE_APPLE_GDB */
@@ -6510,58 +6511,15 @@ POWERPC_FAMILY(POWER9)(ObjectClass *oc, void *data)
dc->fw_name = "PowerPC,POWER9";
dc->desc = "POWER9";
pcc->pvr_match = ppc_pvr_match_power9;
- pcc->pcr_mask = PCR_COMPAT_2_05 | PCR_COMPAT_2_06 | PCR_COMPAT_2_07;
- pcc->pcr_supported = PCR_COMPAT_3_00 | PCR_COMPAT_2_07 | PCR_COMPAT_2_06 |
- PCR_COMPAT_2_05;
+ pcc->pcr_mask = PPC_PCR_MASK_POWER9;
+ pcc->pcr_supported = PPC_PCR_SUPPORTED_POWER9;
pcc->init_proc = init_proc_POWER9;
pcc->check_pow = check_pow_nocheck;
pcc->check_attn = check_attn_hid0_power9;
- pcc->insns_flags = PPC_INSNS_BASE | PPC_ISEL | PPC_STRING | PPC_MFTB |
- PPC_FLOAT | PPC_FLOAT_FSEL | PPC_FLOAT_FRES |
- PPC_FLOAT_FSQRT | PPC_FLOAT_FRSQRTE |
- PPC_FLOAT_FRSQRTES |
- PPC_FLOAT_STFIWX |
- PPC_FLOAT_EXT |
- PPC_CACHE | PPC_CACHE_ICBI | PPC_CACHE_DCBZ |
- PPC_MEM_SYNC | PPC_MEM_EIEIO |
- PPC_MEM_TLBIE | PPC_MEM_TLBSYNC |
- PPC_64B | PPC_64H | PPC_64BX | PPC_ALTIVEC |
- PPC_SEGMENT_64B | PPC_SLBI |
- PPC_POPCNTB | PPC_POPCNTWD |
- PPC_CILDST;
- pcc->insns_flags2 = PPC2_VSX | PPC2_VSX207 | PPC2_DFP | PPC2_DBRX |
- PPC2_PERM_ISA206 | PPC2_DIVE_ISA206 |
- PPC2_ATOMIC_ISA206 | PPC2_FP_CVT_ISA206 |
- PPC2_FP_TST_ISA206 | PPC2_BCTAR_ISA207 |
- PPC2_LSQ_ISA207 | PPC2_ALTIVEC_207 |
- PPC2_ISA205 | PPC2_ISA207S | PPC2_FP_CVT_S64 |
- PPC2_TM | PPC2_ISA300 | PPC2_PRCNTL | PPC2_MEM_LWSYNC |
- PPC2_BCDA_ISA206;
- pcc->msr_mask = (1ull << MSR_SF) |
- (1ull << MSR_HV) |
- (1ull << MSR_TM) |
- (1ull << MSR_VR) |
- (1ull << MSR_VSX) |
- (1ull << MSR_EE) |
- (1ull << MSR_PR) |
- (1ull << MSR_FP) |
- (1ull << MSR_ME) |
- (1ull << MSR_FE0) |
- (1ull << MSR_SE) |
- (1ull << MSR_DE) |
- (1ull << MSR_FE1) |
- (1ull << MSR_IR) |
- (1ull << MSR_DR) |
- (1ull << MSR_PMM) |
- (1ull << MSR_RI) |
- (1ull << MSR_LE);
- pcc->lpcr_mask = LPCR_VPM1 | LPCR_ISL | LPCR_KBV | LPCR_DPFD |
- (LPCR_PECE_U_MASK & LPCR_HVEE) | LPCR_ILE | LPCR_AIL |
- LPCR_UPRT | LPCR_EVIRT | LPCR_ONL | LPCR_HR | LPCR_LD |
- (LPCR_PECE_L_MASK & (LPCR_PDEE | LPCR_HDEE | LPCR_EEE |
- LPCR_DEE | LPCR_OEE))
- | LPCR_MER | LPCR_GTSE | LPCR_TC |
- LPCR_HEIC | LPCR_LPES0 | LPCR_HVICE | LPCR_HDICE;
+ pcc->insns_flags = PPC_INSNS_FLAGS_POWER9;
+ pcc->insns_flags2 = PPC_INSNS_FLAGS2_POWER9;
+ pcc->msr_mask = PPC_MSR_MASK_POWER9;
+ pcc->lpcr_mask = PPC_LPCR_MASK_POWER9;
pcc->lpcr_pm = LPCR_PDEE | LPCR_HDEE | LPCR_EEE | LPCR_DEE | LPCR_OEE;
pcc->mmu_model = POWERPC_MMU_3_00;
#if !defined(CONFIG_USER_ONLY)
@@ -6574,10 +6532,7 @@ POWERPC_FAMILY(POWER9)(ObjectClass *oc, void *data)
pcc->excp_model = POWERPC_EXCP_POWER9;
pcc->bus_model = PPC_FLAGS_INPUT_POWER9;
pcc->bfd_mach = bfd_mach_ppc64;
- pcc->flags = POWERPC_FLAG_VRE | POWERPC_FLAG_SE |
- POWERPC_FLAG_BE | POWERPC_FLAG_PMM |
- POWERPC_FLAG_BUS_CLK | POWERPC_FLAG_CFAR |
- POWERPC_FLAG_VSX | POWERPC_FLAG_TM | POWERPC_FLAG_SCV;
+ pcc->flags = POWERPC_FLAGS_POWER9;
pcc->l1_dcache_size = 0x8000;
pcc->l1_icache_size = 0x8000;
}
@@ -6690,60 +6645,15 @@ POWERPC_FAMILY(POWER10)(ObjectClass *oc, void *data)
dc->fw_name = "PowerPC,POWER10";
dc->desc = "POWER10";
pcc->pvr_match = ppc_pvr_match_power10;
- pcc->pcr_mask = PCR_COMPAT_2_05 | PCR_COMPAT_2_06 | PCR_COMPAT_2_07 |
- PCR_COMPAT_3_00;
- pcc->pcr_supported = PCR_COMPAT_3_10 | PCR_COMPAT_3_00 | PCR_COMPAT_2_07 |
- PCR_COMPAT_2_06 | PCR_COMPAT_2_05;
+ pcc->pcr_mask = PPC_PCR_MASK_POWER10;
+ pcc->pcr_supported = PPC_PCR_SUPPORTED_POWER10;
pcc->init_proc = init_proc_POWER10;
pcc->check_pow = check_pow_nocheck;
pcc->check_attn = check_attn_hid0_power9;
- pcc->insns_flags = PPC_INSNS_BASE | PPC_ISEL | PPC_STRING | PPC_MFTB |
- PPC_FLOAT | PPC_FLOAT_FSEL | PPC_FLOAT_FRES |
- PPC_FLOAT_FSQRT | PPC_FLOAT_FRSQRTE |
- PPC_FLOAT_FRSQRTES |
- PPC_FLOAT_STFIWX |
- PPC_FLOAT_EXT |
- PPC_CACHE | PPC_CACHE_ICBI | PPC_CACHE_DCBZ |
- PPC_MEM_SYNC | PPC_MEM_EIEIO |
- PPC_MEM_TLBIE | PPC_MEM_TLBSYNC |
- PPC_64B | PPC_64H | PPC_64BX | PPC_ALTIVEC |
- PPC_SEGMENT_64B | PPC_SLBI |
- PPC_POPCNTB | PPC_POPCNTWD |
- PPC_CILDST;
- pcc->insns_flags2 = PPC2_VSX | PPC2_VSX207 | PPC2_DFP | PPC2_DBRX |
- PPC2_PERM_ISA206 | PPC2_DIVE_ISA206 |
- PPC2_ATOMIC_ISA206 | PPC2_FP_CVT_ISA206 |
- PPC2_FP_TST_ISA206 | PPC2_BCTAR_ISA207 |
- PPC2_LSQ_ISA207 | PPC2_ALTIVEC_207 |
- PPC2_ISA205 | PPC2_ISA207S | PPC2_FP_CVT_S64 |
- PPC2_ISA300 | PPC2_PRCNTL | PPC2_ISA310 |
- PPC2_MEM_LWSYNC | PPC2_BCDA_ISA206;
- pcc->msr_mask = (1ull << MSR_SF) |
- (1ull << MSR_HV) |
- (1ull << MSR_VR) |
- (1ull << MSR_VSX) |
- (1ull << MSR_EE) |
- (1ull << MSR_PR) |
- (1ull << MSR_FP) |
- (1ull << MSR_ME) |
- (1ull << MSR_FE0) |
- (1ull << MSR_SE) |
- (1ull << MSR_DE) |
- (1ull << MSR_FE1) |
- (1ull << MSR_IR) |
- (1ull << MSR_DR) |
- (1ull << MSR_PMM) |
- (1ull << MSR_RI) |
- (1ull << MSR_LE);
- pcc->lpcr_mask = LPCR_VPM1 | LPCR_ISL | LPCR_KBV | LPCR_DPFD |
- (LPCR_PECE_U_MASK & LPCR_HVEE) | LPCR_ILE | LPCR_AIL |
- LPCR_UPRT | LPCR_EVIRT | LPCR_ONL | LPCR_HR | LPCR_LD |
- (LPCR_PECE_L_MASK & (LPCR_PDEE | LPCR_HDEE | LPCR_EEE |
- LPCR_DEE | LPCR_OEE))
- | LPCR_MER | LPCR_GTSE | LPCR_TC |
- LPCR_HEIC | LPCR_LPES0 | LPCR_HVICE | LPCR_HDICE;
- /* DD2 adds an extra HAIL bit */
- pcc->lpcr_mask |= LPCR_HAIL;
+ pcc->insns_flags = PPC_INSNS_FLAGS_POWER10;
+ pcc->insns_flags2 = PPC_INSNS_FLAGS2_POWER10;
+ pcc->msr_mask = PPC_MSR_MASK_POWER10;
+ pcc->lpcr_mask = PPC_LPCR_MASK_POWER10;
pcc->lpcr_pm = LPCR_PDEE | LPCR_HDEE | LPCR_EEE | LPCR_DEE | LPCR_OEE;
pcc->mmu_model = POWERPC_MMU_3_00;
@@ -6756,11 +6666,7 @@ POWERPC_FAMILY(POWER10)(ObjectClass *oc, void *data)
pcc->excp_model = POWERPC_EXCP_POWER10;
pcc->bus_model = PPC_FLAGS_INPUT_POWER9;
pcc->bfd_mach = bfd_mach_ppc64;
- pcc->flags = POWERPC_FLAG_VRE | POWERPC_FLAG_SE |
- POWERPC_FLAG_BE | POWERPC_FLAG_PMM |
- POWERPC_FLAG_BUS_CLK | POWERPC_FLAG_CFAR |
- POWERPC_FLAG_VSX | POWERPC_FLAG_SCV |
- POWERPC_FLAG_BHRB;
+ pcc->flags = POWERPC_FLAGS_POWER10;
pcc->l1_dcache_size = 0x8000;
pcc->l1_icache_size = 0x8000;
}
diff --git a/target/ppc/cpu_init.h b/target/ppc/cpu_init.h
new file mode 100644
index 000000000000..7479b59da73b
--- /dev/null
+++ b/target/ppc/cpu_init.h
@@ -0,0 +1,84 @@
+#ifndef TARGET_PPC_CPU_INIT_H
+#define TARGET_PPC_CPU_INIT_H
+
+#define PPC_INSNS_FLAGS_POWER9 \
+ PPC_INSNS_BASE | PPC_ISEL | PPC_STRING | PPC_MFTB | \
+ PPC_FLOAT | PPC_FLOAT_FSEL | PPC_FLOAT_FRES | \
+ PPC_FLOAT_FSQRT | PPC_FLOAT_FRSQRTE | PPC_FLOAT_FRSQRTES | \
+ PPC_FLOAT_STFIWX | PPC_FLOAT_EXT | PPC_CACHE | PPC_CACHE_ICBI | \
+ PPC_CACHE_DCBZ | PPC_MEM_SYNC | PPC_MEM_EIEIO | PPC_MEM_TLBIE | \
+ PPC_MEM_TLBSYNC | PPC_64B | PPC_64H | PPC_64BX | PPC_ALTIVEC | \
+ PPC_SEGMENT_64B | PPC_SLBI | PPC_POPCNTB | PPC_POPCNTWD | \
+ PPC_CILDST
+
+#define PPC_INSNS_FLAGS_POWER10 PPC_INSNS_FLAGS_POWER9
+
+#define PPC_INSNS_FLAGS2_POWER_COMMON \
+ PPC2_VSX | PPC2_VSX207 | PPC2_DFP | PPC2_DBRX | \
+ PPC2_PERM_ISA206 | PPC2_DIVE_ISA206 | PPC2_ATOMIC_ISA206 | \
+ PPC2_FP_CVT_ISA206 | PPC2_FP_TST_ISA206 | PPC2_BCTAR_ISA207 | \
+ PPC2_LSQ_ISA207 | PPC2_ALTIVEC_207 | PPC2_ISA205 | \
+ PPC2_ISA207S | PPC2_FP_CVT_S64 | PPC2_ISA300 | PPC2_PRCNTL | \
+ PPC2_MEM_LWSYNC | PPC2_BCDA_ISA206
+
+#define PPC_INSNS_FLAGS2_POWER9 \
+ PPC_INSNS_FLAGS2_POWER_COMMON | PPC2_TM
+#define PPC_INSNS_FLAGS2_POWER10 \
+ PPC_INSNS_FLAGS2_POWER_COMMON | PPC2_ISA310
+
+#define PPC_MSR_MASK_POWER_COMMON \
+ (1ull << MSR_SF) | \
+ (1ull << MSR_HV) | \
+ (1ull << MSR_VR) | \
+ (1ull << MSR_VSX) | \
+ (1ull << MSR_EE) | \
+ (1ull << MSR_PR) | \
+ (1ull << MSR_FP) | \
+ (1ull << MSR_ME) | \
+ (1ull << MSR_FE0) | \
+ (1ull << MSR_SE) | \
+ (1ull << MSR_DE) | \
+ (1ull << MSR_FE1) | \
+ (1ull << MSR_IR) | \
+ (1ull << MSR_DR) | \
+ (1ull << MSR_PMM) | \
+ (1ull << MSR_RI) | \
+ (1ull << MSR_LE)
+
+#define PPC_MSR_MASK_POWER9 \
+ PPC_MSR_MASK_POWER_COMMON | (1ull << MSR_TM)
+#define PPC_MSR_MASK_POWER10 \
+ PPC_MSR_MASK_POWER_COMMON
+
+#define PPC_PCR_MASK_POWER9 \
+ PCR_COMPAT_2_05 | PCR_COMPAT_2_06 | PCR_COMPAT_2_07
+#define PPC_PCR_MASK_POWER10 \
+ PPC_PCR_MASK_POWER9 | PCR_COMPAT_3_00
+
+#define PPC_PCR_SUPPORTED_POWER9 \
+ PCR_COMPAT_3_00 | PCR_COMPAT_2_07 | PCR_COMPAT_2_06 | PCR_COMPAT_2_05
+#define PPC_PCR_SUPPORTED_POWER10 \
+ PPC_PCR_SUPPORTED_POWER9 | PCR_COMPAT_3_10
+
+#define PPC_LPCR_MASK_POWER9 \
+ LPCR_VPM1 | LPCR_ISL | LPCR_KBV | LPCR_DPFD | \
+ (LPCR_PECE_U_MASK & LPCR_HVEE) | LPCR_ILE | LPCR_AIL | \
+ LPCR_UPRT | LPCR_EVIRT | LPCR_ONL | LPCR_HR | LPCR_LD | \
+ (LPCR_PECE_L_MASK & (LPCR_PDEE|LPCR_HDEE|LPCR_EEE|LPCR_DEE|LPCR_OEE)) | \
+ LPCR_MER | LPCR_GTSE | LPCR_TC | LPCR_HEIC | LPCR_LPES0 | LPCR_HVICE | \
+ LPCR_HDICE
+/* DD2 adds an extra HAIL bit */
+#define PPC_LPCR_MASK_POWER10 \
+ PPC_LPCR_MASK_POWER9 | LPCR_HAIL
+
+#define POWERPC_FLAGS_POWER_COMMON \
+ POWERPC_FLAG_VRE | POWERPC_FLAG_SE | POWERPC_FLAG_BE | \
+ POWERPC_FLAG_PMM | POWERPC_FLAG_BUS_CLK | POWERPC_FLAG_CFAR | \
+ POWERPC_FLAG_VSX | POWERPC_FLAG_SCV
+
+#define POWERPC_FLAGS_POWER9 \
+ POWERPC_FLAGS_POWER_COMMON | POWERPC_FLAG_TM
+#define POWERPC_FLAGS_POWER10 \
+ POWERPC_FLAGS_POWER_COMMON | POWERPC_FLAG_BHRB
+
+#endif /* TARGET_PPC_CPU_INIT_H */
--
2.45.2
next prev parent reply other threads:[~2024-07-31 5:51 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-31 5:50 [PATCH v6 RESEND 0/5] Power11 support for QEMU [PSeries] Aditya Gupta
2024-07-31 5:50 ` Aditya Gupta [this message]
2024-07-31 5:50 ` [PATCH v6 RESEND 2/5] target/ppc: Introduce 'PowerPCCPUClass::spapr_logical_pvr' Aditya Gupta
2024-07-31 5:50 ` [PATCH v6 RESEND 3/5] target/ppc: Fix regression due to Power10 and Power11 having same PCR Aditya Gupta
2024-07-31 5:50 ` [PATCH v6 RESEND 4/5] target/ppc: Add Power11 DD2.0 processor Aditya Gupta
2024-07-31 5:50 ` [PATCH v6 RESEND 5/5] ppc/pseries: Add Power11 cpu type Aditya Gupta
2024-08-20 10:34 ` [PATCH v6 RESEND 0/5] Power11 support for QEMU [PSeries] Aditya Gupta
2024-08-29 12:19 ` Amit Machhiwal
2024-08-30 11:53 ` Aditya Gupta
2024-09-02 5:49 ` Amit Machhiwal
2024-09-02 8:57 ` Aditya Gupta
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