Changeset 2738 in vbox for trunk

Timestamp:

May 21, 2007 2:49:30 PM (18 years ago)

Author:

vboxsync

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

21339

Message:

Backed out 21335 & corrected return values.

File:

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

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

@@ -441 +441 @@
 ; */
 BEGINPROC VMXWriteVMCS64
+    xor         rax, rax
 %ifdef ASM_CALL64_GCC
+    and         rdi, 0ffffffffh
     vmwrite     rdi, rsi
 %else
+    and         rcx, 0ffffffffh
     vmwrite     rcx, rdx
 %endif
@@ -465 +468 @@
 ;DECLASM(int) VMXReadVMCS64(uint32_t idxField, uint64_t *pData);
 BEGINPROC VMXReadVMCS64
-%ifdef ASM_CALL64_GCC
+    xor         rax, rax
+%ifd%ifdef ASM_CALL64_GCC
+    and         rdi, 0ffffffffh
     vmread      [rsi], rdi
 %else
+    and         rcx, 0ffffffffh
     vmread      [rdx], rcx
 %endif
@@ -490 +496 @@
 BEGINPROC VMXEnable
 %ifdef __AMD64__
+    xor     rax, rax
  %ifdef ASM_CALL64_GCC
     push    rdi
@@ -497 +504 @@
     vmxon   [rsp]
 %else
+    xor     eax, eax
     vmxon   [esp + 4]
 %endif