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target/i386: Populate x86_ext_save_areas offsets using cpuid where possible

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Rather than relying on the X86XSaveArea structure definition,
determine the offset of XSAVE state areas using CPUID leaf 0xd where
possible (KVM and HVF).

Signed-off-by: David Edmondson <david.edmondson@oracle.com>
Message-Id: <20210705104632.2902400-8-david.edmondson@oracle.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
David Edmondson 2021-07-05 11:46:31 +01:00 • committed by Paolo Bonzini
parent 3568987f78
commit fea4500841
7 changed files with 94 additions and 13 deletions
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2
target/i386/cpu.h
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@ -1377,7 +1377,7 @@ typedef struct ExtSaveArea {
#define XSAVE_STATE_AREA_COUNT (XSTATE_PKRU_BIT + 1)
extern const ExtSaveArea x86_ext_save_areas[XSAVE_STATE_AREA_COUNT];
extern ExtSaveArea x86_ext_save_areas[XSAVE_STATE_AREA_COUNT];
typedef enum TPRAccess {
TPR_ACCESS_READ,