1. Added comments to ASM files

2. Fixed a bug in 64-bit AsmDisablePaging64(), which may cause a #GP exception. git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2206 6f19259b-4bc3-4df7-8a09-765794883524
2007-01-10 06:57:04 +00:00
parent 741fb36417
commit a9a812a0ed
45 changed files with 184 additions and 77 deletions
--- a/MdePkg/Library/BaseLib/Ia32/RShiftU64.asm
+++ b/MdePkg/Library/BaseLib/Ia32/RShiftU64.asm
@@ -32,10 +32,10 @@
 ;   );
 ;------------------------------------------------------------------------------
 InternalMathRShiftU64   PROC
-    mov     cl, [esp + 12]
+    mov     cl, [esp + 12]              ; cl <- Count
    xor     edx, edx
    mov     eax, [esp + 8]
-    test    cl, 32
+    test    cl, 32                      ; Count >= 32?
    cmovz   edx, eax
    cmovz   eax, [esp + 4]
    shrd    eax, edx, cl