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target-i386: Use xsave structs for ext_save_area

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This doesn't introduce any change in the code, as the offsets and
struct sizes match what was present in the table. This can be
validated by the QEMU_BUILD_BUG_ON lines on target-i386/cpu.h,
which ensures the struct sizes and offsets match the existing
values in ext_save_area.

Backports commit ee1b09f695dcd8532f470e53297473bd3bc88718 from qemu
This commit is contained in:
Eduardo Habkost 2018-02-24 03:13:08 -05:00 committed by Lioncash
parent 05963470a2
commit 923dcf1cb8
No known key found for this signature in database
GPG key ID: 4E3C3CC1031BA9C7
1 changed files with 15 additions and 15 deletions
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30
qemu/target-i386/cpu.c
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@ -535,44 +535,44 @@ static const X86RegisterInfo32 x86_reg_info_32[CPU_NB_REGS32] = {
// XSTATE_YMM_BIT
{
FEAT_1_ECX, CPUID_EXT_AVX,
0x240,
0x100,
offsetof(X86XSaveArea, avx_state),
sizeof(XSaveAVX),
},
// XSTATE_BNDREGS_BIT
{
FEAT_7_0_EBX, CPUID_7_0_EBX_MPX,
0x3c0,
0x40,
offsetof(X86XSaveArea, bndreg_state),
sizeof(XSaveBNDREG),
},
// XSTATE_BNDCSR_BIT
{
FEAT_7_0_EBX, CPUID_7_0_EBX_MPX,
0x400,
0x40,
offsetof(X86XSaveArea, bndcsr_state),
sizeof(XSaveBNDCSR),
},
// XSTATE_OPMASK_BIT
{
FEAT_7_0_EBX, CPUID_7_0_EBX_AVX512F,
0x440,
0x40,
offsetof(X86XSaveArea, opmask_state),
sizeof(XSaveOpmask),
},
// XSTATE_ZMM_Hi256_BIT
{
FEAT_7_0_EBX, CPUID_7_0_EBX_AVX512F,
0x480,
0x200,
offsetof(X86XSaveArea, zmm_hi256_state),
sizeof(XSaveZMM_Hi256),
},
// XSTATE_Hi16_ZMM_BIT
{
FEAT_7_0_EBX, CPUID_7_0_EBX_AVX512F,
0x680,
0x400,
offsetof(X86XSaveArea, hi16_zmm_state),
sizeof(XSaveHi16_ZMM),
},
// XSTATE_PKRU_BIT
{
FEAT_7_0_ECX, .bits = CPUID_7_0_ECX_PKU,
0xA80,
0x8,
FEAT_7_0_ECX, CPUID_7_0_ECX_PKU,
offsetof(X86XSaveArea, pkru_state),
sizeof(XSavePKRU),
},
};