1. Removed AsmSwitchStackAndBackingStore from BaseLib.h

[mirror_edk2.git] / MdePkg / Library / BaseLib / Ia32 / DivU64x32.asm

diff --git a/MdePkg/Library/BaseLib/Ia32/DivU64x32.asm b/MdePkg/Library/BaseLib/Ia32/DivU64x32.asm
index 1ad54745864b6aa5a891f8798d254388adf2dc28..25ca074ad95718dbcee8fc2bc2d35940a5b1e182 100644 (file)
--- a/MdePkg/Library/BaseLib/Ia32/DivU64x32.asm
+++ b/MdePkg/Library/BaseLib/Ia32/DivU64x32.asm
@@ -23,15 +23,23 @@
     .model  flat,C\r
     .code\r
 \r
+;------------------------------------------------------------------------------\r
+; UINT64\r
+; EFIAPI\r
+; InternalMathDivU64x32 (\r
+;   IN      UINT64                    Dividend,\r
+;   IN      UINT32                    Divisor\r
+;   );\r
+;------------------------------------------------------------------------------\r
 InternalMathDivU64x32   PROC\r
     mov     eax, [esp + 8]\r
     mov     ecx, [esp + 12]\r
     xor     edx, edx\r
     div     ecx\r
-    push    eax\r
+    push    eax                     ; save quotient on stack\r
     mov     eax, [esp + 8]\r
     div     ecx\r
-    pop     edx\r
+    pop     edx                     ; restore high-order dword of the quotient\r
     ret\r
 InternalMathDivU64x32   ENDP\r
 \r