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target-i386: add Intel AVX-512 support

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Add AVX512 feature bits, register definition and corresponding
xsave/vmstate support.

Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Chao Peng <chao.p.peng@linux.intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Chao Peng 2014-10-23 11:02:43 +08:00 • committed by Paolo Bonzini
parent c6561586f0
commit 9aecd6f8ae
4 changed files with 175 additions and 2 deletions
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19
target-i386/kvm.c
View file

@ -1031,6 +1031,9 @@ static int kvm_put_fpu(X86CPU *cpu)
#define XSAVE_YMMH_SPACE 144
#define XSAVE_BNDREGS 240
#define XSAVE_BNDCSR 256
#define XSAVE_OPMASK 272
#define XSAVE_ZMM_Hi256 288
#define XSAVE_Hi16_ZMM 416
static int kvm_put_xsave(X86CPU *cpu)
{
@ -1067,6 +1070,14 @@ static int kvm_put_xsave(X86CPU *cpu)
sizeof env->bnd_regs);
memcpy(&xsave->region[XSAVE_BNDCSR], &env->bndcs_regs,
sizeof(env->bndcs_regs));
memcpy(&xsave->region[XSAVE_OPMASK], env->opmask_regs,
sizeof env->opmask_regs);
memcpy(&xsave->region[XSAVE_ZMM_Hi256], env->zmmh_regs,
sizeof env->zmmh_regs);
#ifdef TARGET_X86_64
memcpy(&xsave->region[XSAVE_Hi16_ZMM], env->hi16_zmm_regs,
sizeof env->hi16_zmm_regs);
#endif
r = kvm_vcpu_ioctl(CPU(cpu), KVM_SET_XSAVE, xsave);
return r;
}
@ -1402,6 +1413,14 @@ static int kvm_get_xsave(X86CPU *cpu)
sizeof env->bnd_regs);
memcpy(&env->bndcs_regs, &xsave->region[XSAVE_BNDCSR],
sizeof(env->bndcs_regs));
memcpy(env->opmask_regs, &xsave->region[XSAVE_OPMASK],
sizeof env->opmask_regs);
memcpy(env->zmmh_regs, &xsave->region[XSAVE_ZMM_Hi256],
sizeof env->zmmh_regs);
#ifdef TARGET_X86_64
memcpy(env->hi16_zmm_regs, &xsave->region[XSAVE_Hi16_ZMM],
sizeof env->hi16_zmm_regs);
#endif
return 0;
}