Changeset 2746 in vbox

Timestamp:

May 21, 2007 3:39:20 PM (18 years ago)

Author:

vboxsync

Message:

Another attempt at masking off the top 32 bits

File:

• trunk/src/VBox/VMM/VMMR0/HWACCMR0A.asm (modified) (2 diffs)

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

@@ -443 +443 @@
     xor         rax, rax
 %ifdef ASM_CALL64_GCC
-    movzx       rdi, edi
+    push        edi
+    xor         rdi, rdi
+    pop         edi
     vmwrite     rdi, rsi
 %else
-    movzx       rcx, ecx
+    push        ecx
+    xor         rcx, rcx
+    pop         ecx
     vmwrite     rcx, rdx
 %endif
@@ -470 +474 @@
     xor         rax, rax
 %ifdef ASM_CALL64_GCC
-    movzx       rdi, edi
+    push        edi
+    xor         rdi, rdi
+    pop         edi
     vmread      [rsi], rdi
 %else
-    movzx       rcx, ecx
+    push        ecx
+    xor         rcx, rcx
+    pop         ecx
     vmread      [rdx], rcx
 %endif