Changeset 49731 in vbox for trunk/include/iprt

Timestamp:

Nov 29, 2013 6:19:02 PM (11 years ago)

Author:

vboxsync

Message:

FPU save/restore experiment.

File:

• trunk/include/iprt/x86.h (modified) (1 diff)

trunk/include/iprt/x86.h

@@ -2116 +2116 @@
 
 /** @} */
+
+/**
+ * 32-bit protected mode FSTENV image.
+ */
+typedef struct X86FSTENV32P
+{
+    uint16_t    FCW;
+    uint16_t    padding1;
+    uint16_t    FSW;
+    uint16_t    padding2;
+    uint16_t    FTW;
+    uint16_t    padding3;
+    uint32_t    FPUIP;
+    uint16_t    FPUCS;
+    uint16_t    FOP;
+    uint32_t    FPUDP;
+    uint16_t    FPUDS;
+    uint16_t    padding4;
+} X86FSTENV32P;
+/** Pointer to a 32-bit protected mode FSTENV image. */
+typedef X86FSTENV32P *PX86FSTENV32P;
+/** Pointer to a const 32-bit protected mode FSTENV image. */
+typedef X86FSTENV32P const *PCX86FSTENV32P;