diff options
| -rw-r--r-- | target/ppc/cpu-models.h | 1 | ||||
| -rw-r--r-- | target/ppc/kvm.c | 11 |
2 files changed, 12 insertions, 0 deletions
diff --git a/target/ppc/cpu-models.h b/target/ppc/cpu-models.h index d587e69bbc..b563c45b68 100644 --- a/target/ppc/cpu-models.h +++ b/target/ppc/cpu-models.h @@ -561,6 +561,7 @@ enum { CPU_POWERPC_POWER8NVL_BASE = 0x004C0000, CPU_POWERPC_POWER8NVL_v10 = 0x004C0100, CPU_POWERPC_POWER9_BASE = 0x004E0000, + CPU_POWERPC_POWER9_DD1 = 0x004E0100, CPU_POWERPC_970_v22 = 0x00390202, CPU_POWERPC_970FX_v10 = 0x00391100, CPU_POWERPC_970FX_v20 = 0x003C0200, diff --git a/target/ppc/kvm.c b/target/ppc/kvm.c index 8574c369e6..cb2cf2b107 100644 --- a/target/ppc/kvm.c +++ b/target/ppc/kvm.c @@ -2380,6 +2380,17 @@ static void kvmppc_host_cpu_class_init(ObjectClass *oc, void *data) #if defined(TARGET_PPC64) pcc->radix_page_info = kvm_get_radix_page_info(); + + if ((pcc->pvr & 0xffffff00) == CPU_POWERPC_POWER9_DD1) { + /* + * POWER9 DD1 has some bugs which make it not really ISA 3.00 + * compliant. More importantly, advertising ISA 3.00 + * architected mode may prevent guests from activating + * necessary DD1 workarounds. + */ + pcc->pcr_supported &= ~(PCR_COMPAT_3_00 | PCR_COMPAT_2_07 + | PCR_COMPAT_2_06 | PCR_COMPAT_2_05); + } #endif /* defined(TARGET_PPC64) */ } |