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
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@@ -32,15 +32,15 @@
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; );
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;------------------------------------------------------------------------------
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InternalMathMultU64x64 PROC USES ebx
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mov ebx, [esp + 8]
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mov edx, [esp + 16]
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mov ebx, [esp + 8] ; ebx <- M1[0..31]
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mov edx, [esp + 16] ; edx <- M2[0..31]
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mov ecx, ebx
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mov eax, edx
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imul ebx, [esp + 20]
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imul edx, [esp + 12]
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add ebx, edx
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mul ecx
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add edx, ebx
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imul ebx, [esp + 20] ; ebx <- M1[0..31] * M2[32..63]
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imul edx, [esp + 12] ; edx <- M1[32..63] * M2[0..31]
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add ebx, edx ; carries are abandoned
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mul ecx ; edx:eax <- M1[0..31] * M2[0..31]
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add edx, ebx ; carries are abandoned
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ret
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InternalMathMultU64x64 ENDP
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