diff options
| author | bxing <bxing@6f19259b-4bc3-4df7-8a09-765794883524> | 2006-07-21 08:47:38 +0000 |
|---|---|---|
| committer | bxing <bxing@6f19259b-4bc3-4df7-8a09-765794883524> | 2006-07-21 08:47:38 +0000 |
| commit | 3f566587aea64bb986866c7f69a6b82891bf59db (patch) | |
| tree | 406fa713c2baaa46f9c357f49bcef7d710e7f044 /MdePkg/Library/BaseLib/X64/ReadMsr64.asm | |
| parent | 31a9215c3223d3818d1709f39d06774e18df103f (diff) | |
| download | edk2-platforms-3f566587aea64bb986866c7f69a6b82891bf59db.tar.xz | |
1. Updated function headers in all assembly files.
2. Split x86LowLevel.c into a bunch of C files to make images linked with BaseLib smaller.
3. Fixed a few minor bugs.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@1066 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdePkg/Library/BaseLib/X64/ReadMsr64.asm')
| -rw-r--r-- | MdePkg/Library/BaseLib/X64/ReadMsr64.asm | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/MdePkg/Library/BaseLib/X64/ReadMsr64.asm b/MdePkg/Library/BaseLib/X64/ReadMsr64.asm index 4444c18676..580c0761a4 100644 --- a/MdePkg/Library/BaseLib/X64/ReadMsr64.asm +++ b/MdePkg/Library/BaseLib/X64/ReadMsr64.asm @@ -31,9 +31,9 @@ ; );
;------------------------------------------------------------------------------
AsmReadMsr64 PROC
- rdmsr
- shl rax, 20h
- shrd rax, rdx, 20h
+ rdmsr ; edx & eax are zero extended
+ shl rdx, 20h
+ or rax, rdx
ret
AsmReadMsr64 ENDP
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