From 5b1b9d8bf4565b194ac16294c58993c62bcae315 Mon Sep 17 00:00:00 2001 From: qhuang8 Date: Mon, 10 Jul 2006 08:41:58 +0000 Subject: 1. BaseSmbusLib: Make SmbusReadDataByte() & SmbusWriteBlock() function well by re-arranging register settings. 2. BaseMemoryLibMmx for X64: Make CopyMem() be reentrant by saving Mm0 to r10. 3. DxeCorePerformanceLib: Fix some typo to save build error of that library instance. 4. Remove the orphanage definition of gEfiPerformanceProtocolGuid git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@859 6f19259b-4bc3-4df7-8a09-765794883524 --- MdePkg/Library/BaseMemoryLibMmx/X64/CopyMem.asm | 2 ++ 1 file changed, 2 insertions(+) (limited to 'MdePkg/Library/BaseMemoryLibMmx') diff --git a/MdePkg/Library/BaseMemoryLibMmx/X64/CopyMem.asm b/MdePkg/Library/BaseMemoryLibMmx/X64/CopyMem.asm index 372c365203..801cf92750 100644 --- a/MdePkg/Library/BaseMemoryLibMmx/X64/CopyMem.asm +++ b/MdePkg/Library/BaseMemoryLibMmx/X64/CopyMem.asm @@ -46,6 +46,7 @@ InternalMemCopyMem PROC USES rsi rdi and r8, 7 shr rcx, 3 ; rcx <- # of Qwords to copy jz @CopyBytes + DB 49h, 0fh, 7eh, 0c2h ; movq r10, mm0 ; save mm0 @@: DB 48h, 0fh, 6fh, 06h ; movq mm0, [rsi] DB 48h, 0fh, 0e7h, 07h ; movntq [rdi], mm0 @@ -53,6 +54,7 @@ InternalMemCopyMem PROC USES rsi rdi add rdi, 8 loop @B mfence + DB 49h, 0fh, 6eh, 0c2h ; movq mm0, r10 ; restore mm0 jmp @CopyBytes @CopyBackward: mov rdi, r9 ; rdi <- End of Destination -- cgit v1.2.3