Commit 7eb24386 authored by Paolo Bonzini's avatar Paolo Bonzini Committed by Eduardo Habkost
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target-i386: TCG can support CPUID.07H:EBX.erms 



ERMS just says "rep movsb" and "rep stosb" are fast.  It does not
imply any new instruction, so we can support it easily.

Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
Reviewed-by: default avatarEduardo Habkost <ehabkost@redhat.com>
Signed-off-by: default avatarEduardo Habkost <ehabkost@redhat.com>
parent fb02d56e

target-i386/cpu.c

+3 −2
Original line number Diff line number Diff line
@@ -358,10 +358,11 @@ static const char *cpuid_6_feature_name[] = { 
#define TCG_7_0_EBX_FEATURES (CPUID_7_0_EBX_SMEP | CPUID_7_0_EBX_SMAP | \

          CPUID_7_0_EBX_BMI1 | CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ADX | \

          CPUID_7_0_EBX_PCOMMIT | CPUID_7_0_EBX_CLFLUSHOPT |            \

          CPUID_7_0_EBX_CLWB | CPUID_7_0_EBX_MPX | CPUID_7_0_EBX_FSGSBASE)

          CPUID_7_0_EBX_CLWB | CPUID_7_0_EBX_MPX | CPUID_7_0_EBX_FSGSBASE | \

          CPUID_7_0_EBX_ERMS)

          /* missing:

          CPUID_7_0_EBX_HLE, CPUID_7_0_EBX_AVX2,

          CPUID_7_0_EBX_ERMS, CPUID_7_0_EBX_INVPCID, CPUID_7_0_EBX_RTM,

          CPUID_7_0_EBX_INVPCID, CPUID_7_0_EBX_RTM,

          CPUID_7_0_EBX_RDSEED */

#define TCG_7_0_ECX_FEATURES (CPUID_7_0_ECX_PKU | CPUID_7_0_ECX_OSPKE)

#define TCG_APM_FEATURES 0