Changeset 55106 in vbox for trunk/include/VBox/vmm

Timestamp:

Apr 6, 2015 7:58:37 PM (10 years ago)

Author:

vboxsync

Message:

VMM: host+guest xsave/xrstor state handling - not enabled.

Location:

trunk/include/VBox/vmm

Files:

• cpum.mac (modified) (1 diff)
• cpumctx.h (modified) (2 diffs)

trunk/include/VBox/vmm/cpum.mac

@@ -235 +235 @@
     .msrApicBase        resb    8
     alignb 8
+    .xcr0               resq    1
+    .fXStateMask        resq    1
     .pXStateR0      RTR0PTR_RES 1
     .pXStateR3      RTR3PTR_RES 1
     .pXStateRC      RTRCPTR_RES 1
+    .aoffXState         resw    64
     alignb 64
 endstruc

trunk/include/VBox/vmm/cpumctx.h

@@ -399 +399 @@
     /** @} */
 
+    /** The XCR0 register. */
+    uint64_t                    xcr0;
+    /** The mask to pass to XSAVE/XRSTOR in EDX:EAX.  If zero we use
+     *  FXSAVE/FXRSTOR (since bit 0 will always be set, we only need to test it). */
+    uint64_t                    fXStateMask;
+
     /** Pointer to the FPU/SSE/AVX/XXXX state ring-0 mapping. */
     R0PTRTYPE(PX86XSAVEAREA)    pXStateR0;
@@ -405 +411 @@
     /** Pointer to the FPU/SSE/AVX/XXXX state raw-mode mapping. */
     RCPTRTYPE(PX86XSAVEAREA)    pXStateRC;
+    /** State component offsets into pXState, UINT16_MAX if not present. */
+    uint16_t                    aoffXState[64];
 
     /** Size padding. */
-    uint32_t        au32SizePadding[HC_ARCH_BITS == 32 ? 3 : 1];
+    uint32_t        au32SizePadding[HC_ARCH_BITS == 32 ? 15 : 13];
 } CPUMCTX;
 #pragma pack()