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target/ppc: Introduce 'PowerPCCPUClass::spapr_logical_pvr'

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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 <npiggin@gmail.com>
Signed-off-by: Aditya Gupta <adityag@linux.ibm.com>
Tested-by: Amit Machhiwal <amachhiw@linux.ibm.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
This commit is contained in:
Aditya Gupta 2024-07-31 11:20:19 +05:30 • committed by Nicholas Piggin
parent f41e7f7694
commit c0b2f0dd6b
2 changed files with 5 additions and 0 deletions
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4
target/ppc/cpu_init.c
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@ -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;