From c0b2f0dd6ba71cc4e31d92eb0f8571a4b37d3853 Mon Sep 17 00:00:00 2001 From: Aditya Gupta Date: Wed, 31 Jul 2024 11:20:19 +0530 Subject: [PATCH] target/ppc: Introduce 'PowerPCCPUClass::spapr_logical_pvr' Introduce 'PnvChipClass::spapr_logical_pvr' to know corresponding logical PVR of a PowerPC CPU. This helps to have a one-to-one mapping between PVR and logical PVR for a CPU, and used in a later commit to handle cases where PCR of two generations of Power chip is same, which causes regressions with compat-mode. Reviewed-by: Nicholas Piggin Signed-off-by: Aditya Gupta Tested-by: Amit Machhiwal Signed-off-by: Nicholas Piggin --- target/ppc/cpu.h | 1 + target/ppc/cpu_init.c | 4 ++++ 2 files changed, 5 insertions(+) diff --git a/target/ppc/cpu.h b/target/ppc/cpu.h index b838bc2ab9..daa12f8733 100644 --- a/target/ppc/cpu.h +++ b/target/ppc/cpu.h @@ -1473,6 +1473,7 @@ struct PowerPCCPUClass { void (*parent_parse_features)(const char *type, char *str, Error **errp); uint32_t pvr; + uint32_t spapr_logical_pvr; /* * If @best is false, match if pcc is in the family of pvr * Else match only if pcc is the best match for pvr in this family. diff --git a/target/ppc/cpu_init.c b/target/ppc/cpu_init.c index 7c3716b56f..bc8ec77fa0 100644 --- a/target/ppc/cpu_init.c +++ b/target/ppc/cpu_init.c @@ -6154,6 +6154,7 @@ POWERPC_FAMILY(POWER7)(ObjectClass *oc, void *data) dc->fw_name = "PowerPC,POWER7"; dc->desc = "POWER7"; + pcc->spapr_logical_pvr = CPU_POWERPC_LOGICAL_2_06_PLUS; pcc->pvr_match = ppc_pvr_match_power7; pcc->pcr_mask = PCR_VEC_DIS | PCR_VSX_DIS | PCR_COMPAT_2_05; pcc->pcr_supported = PCR_COMPAT_2_06 | PCR_COMPAT_2_05; @@ -6317,6 +6318,7 @@ POWERPC_FAMILY(POWER8)(ObjectClass *oc, void *data) dc->fw_name = "PowerPC,POWER8"; dc->desc = "POWER8"; + pcc->spapr_logical_pvr = CPU_POWERPC_LOGICAL_2_07; pcc->pvr_match = ppc_pvr_match_power8; pcc->pcr_mask = PCR_TM_DIS | PCR_COMPAT_2_06 | PCR_COMPAT_2_05; pcc->pcr_supported = PCR_COMPAT_2_07 | PCR_COMPAT_2_06 | PCR_COMPAT_2_05; @@ -6510,6 +6512,7 @@ POWERPC_FAMILY(POWER9)(ObjectClass *oc, void *data) dc->fw_name = "PowerPC,POWER9"; dc->desc = "POWER9"; + pcc->spapr_logical_pvr = CPU_POWERPC_LOGICAL_3_00; pcc->pvr_match = ppc_pvr_match_power9; pcc->pcr_mask = PPC_PCR_MASK_POWER9; pcc->pcr_supported = PPC_PCR_SUPPORTED_POWER9; @@ -6644,6 +6647,7 @@ POWERPC_FAMILY(POWER10)(ObjectClass *oc, void *data) dc->fw_name = "PowerPC,POWER10"; dc->desc = "POWER10"; + pcc->spapr_logical_pvr = CPU_POWERPC_LOGICAL_3_10; pcc->pvr_match = ppc_pvr_match_power10; pcc->pcr_mask = PPC_PCR_MASK_POWER10; pcc->pcr_supported = PPC_PCR_SUPPORTED_POWER10; -- 2.30.2