Changeset 42337 in vbox for trunk/include

Timestamp:

Jul 24, 2012 7:50:38 AM (13 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

79413

Message:

CPUM: Save and restore the internal selector fields.

Location:

trunk/include

Files:

• VBox/vmm/cpumctx.h (modified) (2 diffs)
• iprt/x86.h (modified) (1 diff)

trunk/include/VBox/vmm/cpumctx.h

@@ -77 +77 @@
 #define CPUMSELREG_FLAGS_VALID      UINT16_C(0x0001)
 #define CPUMSELREG_FLAGS_STALE      UINT16_C(0x0002)
+#define CPUMSELREG_FLAGS_VALID_MASK UINT16_C(0x0003)
 /** @} */
 
@@ -398 +399 @@
 # define CPUMCTX2CORE(pCtx) ((PCPUMCTXCORE)(void *)&(pCtx)->rax)
 
-#endif /* VBOX_FOR_DTRACE_LIB */
+/**
+ * Gets the first selector register of a CPUMCTX.
+ *
+ * Use this with X86_SREG_COUNT to loop thru the selector registers.
+ */
+# define CPUMCTX_FIRST_SREG(a_pCtx) (&(a_pCtx)->es)
+
+#endif /* !VBOX_FOR_DTRACE_LIB */
 
 /**

trunk/include/iprt/x86.h

@@ -3141 +3141 @@
 #define X86_SREG_GS             5
 /** @} */
+/** Segment register count. */
+#define X86_SREG_COUNT          6