Changeset 16156 in vbox for trunk/src

Timestamp:

Jan 22, 2009 8:24:04 AM (16 years ago)

Author:

vboxsync

Message:

Backed out 41857. Don't rely on HF_CS64_MASK as cs hasn't been synced yet. We'll sync a bit too much in certain cases, but that's better than trashing xmm8-15.

Location:

trunk/src/recompiler_new

Files:

• VBoxRecompiler.c (modified) (1 diff)
• target-i386/op_helper.c (modified) (2 diffs)

trunk/src/recompiler_new/VBoxRecompiler.c

@@ -1816 +1816 @@
         }
 
-        /* Sync FPU state after CR4 and CPUID. */
+        /* Sync FPU state after CR4, CPUID and EFER (!). */
         if (fFlags & CPUM_CHANGED_FPU_REM)
             save_raw_fp_state(&pVM->rem.s.Env, (uint8_t *)&pCtx->fpu); /* 'save' is an excellent name. */

trunk/src/recompiler_new/target-i386/op_helper.c

@@ -5983 +5983 @@
     CPU86_LDouble tmp;
     uint8_t *addr;
-    int data64 = !!(env->hflags & HF_CS64_MASK);
+    int data64 = !!(env->hflags & HF_LMA_MASK);
 
     if (env->cpuid_features & CPUID_FXSR)
@@ -6061 +6061 @@
     CPU86_LDouble tmp;
     uint8_t *addr;
-    int data64 = !!(env->hflags & HF_CS64_MASK);
+    int data64 = !!(env->hflags & HF_LMA_MASK); /* don't use HF_CS64_MASK here as cs hasn't been synced when this function is called. */
 
     if (env->cpuid_features & CPUID_FXSR)