Fix a bug in Power10U64. Power10U64 should clean up the stack after calling MultU64x32. It also should load eax and edx with the initial value just in case it return directly when "Power" is zero.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5528 6f19259b-4bc3-4df7-8a09-765794883524
2008-07-21 01:42:14 +00:00 · 2008-07-21 01:42:14 +00:00 · 22353b17c0
parent 5c5a0601e8
commit 22353b17c0
1 changed files with 3 additions and 0 deletions
--- a/EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/Ia32/Power10U64.c
+++ b/EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/Ia32/Power10U64.c
@ -50,6 +50,8 @@ Returns:
 --*/
 {
  __asm {
+  mov    eax, dword ptr Operand[0]
+  mov    edx, dword ptr Operand[4]
  mov    ecx, Power
  jcxz   _Power10U64_Done
  
@ -58,6 +60,7 @@ _Power10U64_Wend:
  push   dword ptr Operand[4]
  push   dword ptr Operand[0]
  call   MultU64x32
+  add    esp, 0Ch
  mov    dword ptr Operand[0], eax
  mov    dword ptr Operand[4], edx
  loop   _Power10U64_Wend