Changeset 2750 in vbox for trunk/src

Timestamp:

May 21, 2007 4:35:46 PM (18 years ago)

Author:

vboxsync

Message:

Proper masking

File:

• trunk/src/VBox/VMM/VMMR0/HWACCMR0A.asm (modified) (4 diffs)

trunk/src/VBox/VMM/VMMR0/HWACCMR0A.asm

@@ -143 +143 @@
 ; */
 BEGINPROC VMXStartVM
+int3
     push    xBP
     mov     xBP, xSP
@@ -216 +217 @@
 ALIGNCODE(16)
 .vmlaunch_done:
+int3
     jnc     .vmxstart_good
 
@@ -441 +443 @@
 ; */
 BEGINPROC VMXWriteVMCS64
+%ifdef ASM_CALL64_GCC
+    mov         eax, 0ffffffffh
+    and         rdi, rax
     xor         rax, rax
-%ifdef ASM_CALL64_GCC
-    and         rdi, 0ffffffffh
     vmwrite     rdi, rsi
 %else
-    and         rcx, 0ffffffffh
+    mov         eax, 0ffffffffh
+    and         rcx, rax
+    xor         rax, rax
     vmwrite     rcx, rdx
 %endif
@@ -468 +473 @@
 ;DECLASM(int) VMXReadVMCS64(uint32_t idxField, uint64_t *pData);
 BEGINPROC VMXReadVMCS64
+%ifdef ASM_CALL64_GCC
+    mov         eax, 0ffffffffh
+    and         rdi, rax
     xor         rax, rax
-%ifdef ASM_CALL64_GCC
-    and         rdi, 0ffffffffh
     vmread      [rsi], rdi
 %else
-    and         rcx, 0ffffffffh
+    mov         eax, 0ffffffffh
+    and         rcx, rax
+    xor         rax, rax
     vmread      [rdx], rcx
 %endif