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1. Updated function headers for all assembly function

Browse Source 
2. Optimized register usage in SetMemXX functions in all lib instances
3. Fixed a logical error in CopyMem for all lib instances


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@1139 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
bxing
2006-07-28 07:28:19 +00:00
parent 27169a56e6
commit eb227e96bd
106 changed files with 1006 additions and 457 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
MdePkg/Library/BaseMemoryLibSse2/x64/CompareMem.asm
View File

@@ -29,6 +29,15 @@
.code
;------------------------------------------------------------------------------
; INTN
; EFIAPI
; InternalMemCompareMem (
; IN CONST VOID *DestinationBuffer,
; IN CONST VOID *SourceBuffer,
; IN UINTN Length
; );
;------------------------------------------------------------------------------
InternalMemCompareMem PROC USES rsi rdi
mov rsi, rcx
mov rdi, rdx

13
MdePkg/Library/BaseMemoryLibSse2/x64/CopyMem.asm
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@@ -25,20 +25,21 @@
;------------------------------------------------------------------------------
; VOID *
; _mem_CopyMem (
; EFIAPI
; InternalMemCopyMem (
; IN VOID *Destination,
; IN VOID *Source,
; IN UINTN Count
; )
; );
;------------------------------------------------------------------------------
InternalMemCopyMem PROC USES rsi rdi
mov rsi, rdx ; rsi <- Source
mov rdi, rcx ; rdi <- Destination
lea r9, [rdi + r8 - 1] ; r9 <- Last byte of Destination
lea r9, [rsi + r8 - 1] ; r9 <- Last byte of Source
cmp rsi, rdi
mov rax, rdi ; rax <- Destination as return value
jae @F ; Copy forward if Source > Destination
cmp r9, rsi ; Overlapped?
cmp r9, rdi ; Overlapped?
jae @CopyBackward ; Copy backward if overlapped
@@:
xor rcx, rcx
@@ -65,8 +66,8 @@ InternalMemCopyMem PROC USES rsi rdi
movdqa xmm0, [rsp + 18h] ; restore xmm0
jmp @CopyBytes ; copy remaining bytes
@CopyBackward:
mov rdi, r9 ; rdi <- Last byte of Destination
lea rsi, [rsi + r8 - 1] ; rsi <- Last byte of Source
mov rsi, r9 ; rsi <- Last byte of Source
lea rdi, [rdi + r8 - 1] ; rdi <- Last byte of Destination
std
@CopyBytes:
mov rcx, r8

9
MdePkg/Library/BaseMemoryLibSse2/x64/ScanMem16.asm
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@@ -29,6 +29,15 @@
.code
;------------------------------------------------------------------------------
; CONST VOID *
; EFIAPI
; InternalMemScanMem16 (
; IN CONST VOID *Buffer,
; IN UINTN Length,
; IN UINT16 Value
; );
;------------------------------------------------------------------------------
InternalMemScanMem16 PROC USES rdi
mov rdi, rcx
mov rax, r8

9
MdePkg/Library/BaseMemoryLibSse2/x64/ScanMem32.asm
View File

@@ -29,6 +29,15 @@
.code
;------------------------------------------------------------------------------
; CONST VOID *
; EFIAPI
; InternalMemScanMem32 (
; IN CONST VOID *Buffer,
; IN UINTN Length,
; IN UINT32 Value
; );
;------------------------------------------------------------------------------
InternalMemScanMem32 PROC USES rdi
mov rdi, rcx
mov rax, r8

9
MdePkg/Library/BaseMemoryLibSse2/x64/ScanMem64.asm
View File

@@ -29,6 +29,15 @@
.code
;------------------------------------------------------------------------------
; CONST VOID *
; EFIAPI
; InternalMemScanMem64 (
; IN CONST VOID *Buffer,
; IN UINTN Length,
; IN UINT64 Value
; );
;------------------------------------------------------------------------------
InternalMemScanMem64 PROC USES rdi
mov rdi, rcx
mov rax, r8

9
MdePkg/Library/BaseMemoryLibSse2/x64/ScanMem8.asm
View File

@@ -29,6 +29,15 @@
.code
;------------------------------------------------------------------------------
; CONST VOID *
; EFIAPI
; InternalMemScanMem8 (
; IN CONST VOID *Buffer,
; IN UINTN Length,
; IN UINT8 Value
; );
;------------------------------------------------------------------------------
InternalMemScanMem8 PROC USES rdi
mov rdi, rcx
mov rcx, rdx

2
MdePkg/Library/BaseMemoryLibSse2/x64/SetMem.asm
View File

@@ -25,7 +25,7 @@
;------------------------------------------------------------------------------
; VOID *
; _mem_SetMem (
; InternalMemSetMem (
; IN VOID *Buffer,
; IN UINTN Count,
; IN UINT8 Value

2
MdePkg/Library/BaseMemoryLibSse2/x64/SetMem16.asm
View File

@@ -25,7 +25,7 @@
;------------------------------------------------------------------------------
; VOID *
; _mem_SetMem16 (
; InternalMemSetMem16 (
; IN VOID *Buffer,
; IN UINTN Count,
; IN UINT16 Value

2
MdePkg/Library/BaseMemoryLibSse2/x64/SetMem32.asm
View File

@@ -25,7 +25,7 @@
;------------------------------------------------------------------------------
; VOID *
; _mem_SetMem32 (
; InternalMemSetMem32 (
; IN VOID *Buffer,
; IN UINTN Count,
; IN UINT8 Value

6
MdePkg/Library/BaseMemoryLibSse2/x64/SetMem64.asm
View File

@@ -32,9 +32,10 @@
; )
;------------------------------------------------------------------------------
InternalMemSetMem64 PROC
mov rax, rcx
mov rax, rcx ; rax <- Buffer
xchg rcx, rdx ; rcx <- Count & rdx <- Buffer
test dl, 8
xchg rcx, rdx
movd xmm0, r8
jz @F
mov [rdx], r8
add rdx, 8
@@ -42,7 +43,6 @@ InternalMemSetMem64 PROC
@@:
shr rcx, 1
jz @SetQwords
movd xmm0, r8
movlhps xmm0, xmm0
@@:
movntdq [rdx], xmm0

2
MdePkg/Library/BaseMemoryLibSse2/x64/ZeroMem.asm
View File

@@ -25,7 +25,7 @@
;------------------------------------------------------------------------------
; VOID *
; _mem_ZeroMem (
; InternalMemZeroMem (
; IN VOID *Buffer,
; IN UINTN Count
; )