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| author | Huaitong Han <huaitong.han@intel.com> | 2015-11-18 10:20:15 +0800 |
|---|---|---|
| committer | Eduardo Habkost <ehabkost@redhat.com> | 2016-01-21 12:47:16 -0200 |
| commit | f74eefe0b98cd7e13825de8e8d9f32e22aed102c (patch) | |
| tree | aa58c207fc0650945406ad62579d4eedd6bbc858 /target-i386/kvm.c | |
| parent | 36f96c4b6bd25f43000c317518ff3df10202bc75 (diff) | |
| download | focaccia-qemu-f74eefe0b98cd7e13825de8e8d9f32e22aed102c.tar.gz focaccia-qemu-f74eefe0b98cd7e13825de8e8d9f32e22aed102c.zip | |
target-i386: Add PKU and and OSPKE support
Add PKU and OSPKE CPUID features, including xsave state and migration support. Signed-off-by: Huaitong Han <huaitong.han@intel.com> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> [ehabkost: squashed 3 patches together, edited patch description] Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Diffstat (limited to 'target-i386/kvm.c')
| -rw-r--r-- | target-i386/kvm.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/target-i386/kvm.c b/target-i386/kvm.c index 419bb18bb3..d6f5355aa9 100644 --- a/target-i386/kvm.c +++ b/target-i386/kvm.c @@ -1299,6 +1299,7 @@ static int kvm_put_fpu(X86CPU *cpu) #define XSAVE_OPMASK 272 #define XSAVE_ZMM_Hi256 288 #define XSAVE_Hi16_ZMM 416 +#define XSAVE_PKRU 672 static int kvm_put_xsave(X86CPU *cpu) { @@ -1352,6 +1353,7 @@ static int kvm_put_xsave(X86CPU *cpu) #ifdef TARGET_X86_64 memcpy(&xsave->region[XSAVE_Hi16_ZMM], &env->xmm_regs[16], 16 * sizeof env->xmm_regs[16]); + memcpy(&xsave->region[XSAVE_PKRU], &env->pkru, sizeof env->pkru); #endif r = kvm_vcpu_ioctl(CPU(cpu), KVM_SET_XSAVE, xsave); return r; @@ -1770,6 +1772,7 @@ static int kvm_get_xsave(X86CPU *cpu) #ifdef TARGET_X86_64 memcpy(&env->xmm_regs[16], &xsave->region[XSAVE_Hi16_ZMM], 16 * sizeof env->xmm_regs[16]); + memcpy(&env->pkru, &xsave->region[XSAVE_PKRU], sizeof env->pkru); #endif return 0; } |