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i386: Save EFER for 32-bit targets 

i386 (32 bit) emulation uses EFER in wrmsr and in MMU fault
processing.
But it does not included in VMState, because "efer" field is disabled with

This patch adds a section for 32-bit targets which saves EFER when
it's value is non-zero.

Signed-off-by: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru>
Message-Id: <155913371654.8429.1659082639780315242.stgit@pasha-Precision-3630-Tower>
Reviewed-by: Peter Xu <peterx@redhat.com>
[ehabkost: indentation fix]
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
This commit is contained in:
Pavel Dovgalyuk 2019-05-29 15:41:56 +03:00 committed by Eduardo Habkost
parent 506174bf82
commit 89a44a1033
1 changed files with 24 additions and 0 deletions
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24
target/i386/machine.c
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@ -964,6 +964,27 @@ static const VMStateDescription vmstate_svm_npt = {
}
};
#ifndef TARGET_X86_64
static bool intel_efer32_needed(void *opaque)
{
X86CPU *cpu = opaque;
CPUX86State *env = &cpu->env;
return env->efer != 0;
}
static const VMStateDescription vmstate_efer32 = {
.name = "cpu/efer32",
.version_id = 1,
.minimum_version_id = 1,
.needed = intel_efer32_needed,
.fields = (VMStateField[]) {
VMSTATE_UINT64(env.efer, X86CPU),
VMSTATE_END_OF_LIST()
}
};
#endif
VMStateDescription vmstate_x86_cpu = {
.name = "cpu",
.version_id = 12,
@ -1089,6 +1110,9 @@ VMStateDescription vmstate_x86_cpu = {
&vmstate_msr_intel_pt,
&vmstate_msr_virt_ssbd,
&vmstate_svm_npt,
#ifndef TARGET_X86_64
&vmstate_efer32,
#endif
NULL
}
};