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[RFC PATCH 1/8] target/i386: Declare constants for XSAVE offsets
From: |
David Edmondson |
Subject: |
[RFC PATCH 1/8] target/i386: Declare constants for XSAVE offsets |
Date: |
Mon, 5 Jul 2021 11:46:25 +0100 |
Declare and use manifest constants for the XSAVE state component
offsets.
Signed-off-by: David Edmondson <david.edmondson@oracle.com>
---
target/i386/cpu.h | 30 +++++++++++++++++++++++-------
1 file changed, 23 insertions(+), 7 deletions(-)
diff --git a/target/i386/cpu.h b/target/i386/cpu.h
index f7fa5870b1..aedb8f2e01 100644
--- a/target/i386/cpu.h
+++ b/target/i386/cpu.h
@@ -1305,6 +1305,22 @@ typedef struct XSavePKRU {
uint32_t padding;
} XSavePKRU;
+#define XSAVE_FCW_FSW_OFFSET 0x000
+#define XSAVE_FTW_FOP_OFFSET 0x004
+#define XSAVE_CWD_RIP_OFFSET 0x008
+#define XSAVE_CWD_RDP_OFFSET 0x010
+#define XSAVE_MXCSR_OFFSET 0x018
+#define XSAVE_ST_SPACE_OFFSET 0x020
+#define XSAVE_XMM_SPACE_OFFSET 0x0a0
+#define XSAVE_XSTATE_BV_OFFSET 0x200
+#define XSAVE_AVX_OFFSET 0x240
+#define XSAVE_BNDREG_OFFSET 0x3c0
+#define XSAVE_BNDCSR_OFFSET 0x400
+#define XSAVE_OPMASK_OFFSET 0x440
+#define XSAVE_ZMM_HI256_OFFSET 0x480
+#define XSAVE_HI16_ZMM_OFFSET 0x680
+#define XSAVE_PKRU_OFFSET 0xa80
+
typedef struct X86XSaveArea {
X86LegacyXSaveArea legacy;
X86XSaveHeader header;
@@ -1325,19 +1341,19 @@ typedef struct X86XSaveArea {
XSavePKRU pkru_state;
} X86XSaveArea;
-QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, avx_state) != 0x240);
+QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, avx_state) != XSAVE_AVX_OFFSET);
QEMU_BUILD_BUG_ON(sizeof(XSaveAVX) != 0x100);
-QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, bndreg_state) != 0x3c0);
+QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, bndreg_state) != XSAVE_BNDREG_OFFSET);
QEMU_BUILD_BUG_ON(sizeof(XSaveBNDREG) != 0x40);
-QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, bndcsr_state) != 0x400);
+QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, bndcsr_state) != XSAVE_BNDCSR_OFFSET);
QEMU_BUILD_BUG_ON(sizeof(XSaveBNDCSR) != 0x40);
-QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, opmask_state) != 0x440);
+QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, opmask_state) != XSAVE_OPMASK_OFFSET);
QEMU_BUILD_BUG_ON(sizeof(XSaveOpmask) != 0x40);
-QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, zmm_hi256_state) != 0x480);
+QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, zmm_hi256_state) !=
XSAVE_ZMM_HI256_OFFSET);
QEMU_BUILD_BUG_ON(sizeof(XSaveZMM_Hi256) != 0x200);
-QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, hi16_zmm_state) != 0x680);
+QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, hi16_zmm_state) !=
XSAVE_HI16_ZMM_OFFSET);
QEMU_BUILD_BUG_ON(sizeof(XSaveHi16_ZMM) != 0x400);
-QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, pkru_state) != 0xA80);
+QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, pkru_state) != XSAVE_PKRU_OFFSET);
QEMU_BUILD_BUG_ON(sizeof(XSavePKRU) != 0x8);
typedef enum TPRAccess {
--
2.30.2
- [RFC PATCH 0/8] Derive XSAVE state component offsets from CPUID leaf 0xd where possible, David Edmondson, 2021/07/05
- [RFC PATCH 1/8] target/i386: Declare constants for XSAVE offsets,
David Edmondson <=
- [RFC PATCH 2/8] target/i386: Consolidate the X86XSaveArea offset checks, David Edmondson, 2021/07/05
- [RFC PATCH 4/8] target/i386: Pass buffer and length to XSAVE helper, David Edmondson, 2021/07/05
- [RFC PATCH 3/8] target/i386: Clarify the padding requirements of X86XSaveArea, David Edmondson, 2021/07/05
- [RFC PATCH 7/8] target/i386: Populate x86_ext_save_areas offsets using cpuid where possible, David Edmondson, 2021/07/05
- [RFC PATCH 5/8] target/i386: Make x86_ext_save_areas visible outside cpu.c, David Edmondson, 2021/07/05
- [RFC PATCH 6/8] target/i386: Observe XSAVE state area offsets, David Edmondson, 2021/07/05
- [RFC PATCH 8/8] target/i386: Move X86XSaveArea into TCG, David Edmondson, 2021/07/05