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target-i386: Add PKU and and OSPKE support

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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>
This commit is contained in:
Huaitong Han 2015-11-18 10:20:15 +08:00 • committed by Eduardo Habkost
parent 36f96c4b6b
commit f74eefe0b9
4 changed files with 56 additions and 1 deletions
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24
target-i386/machine.c
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@ -848,6 +848,27 @@ static const VMStateDescription vmstate_xss = {
}
};
#ifdef TARGET_X86_64
static bool pkru_needed(void *opaque)
{
X86CPU *cpu = opaque;
CPUX86State *env = &cpu->env;
return env->pkru != 0;
}
static const VMStateDescription vmstate_pkru = {
.name = "cpu/pkru",
.version_id = 1,
.minimum_version_id = 1,
.needed = pkru_needed,
.fields = (VMStateField[]){
VMSTATE_UINT32(env.pkru, X86CPU),
VMSTATE_END_OF_LIST()
}
};
#endif
static bool tsc_khz_needed(void *opaque)
{
X86CPU *cpu = opaque;
@ -991,6 +1012,9 @@ VMStateDescription vmstate_x86_cpu = {
&vmstate_avx512,
&vmstate_xss,
&vmstate_tsc_khz,
#ifdef TARGET_X86_64
&vmstate_pkru,
#endif
NULL
}
};