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authorbbahnsen <bbahnsen@6f19259b-4bc3-4df7-8a09-765794883524>2006-04-21 22:54:32 +0000
committerbbahnsen <bbahnsen@6f19259b-4bc3-4df7-8a09-765794883524>2006-04-21 22:54:32 +0000
commit878ddf1fc3540a715f63594ed22b6929e881afb4 (patch)
treec56c44dac138137b510e1fba7c3efe5e4d84bea2 /MdePkg/Library/BaseMemoryLibRepStr/x64
downloadedk2-platforms-878ddf1fc3540a715f63594ed22b6929e881afb4.tar.xz
Initial import.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdePkg/Library/BaseMemoryLibRepStr/x64')
-rw-r--r--MdePkg/Library/BaseMemoryLibRepStr/x64/CompareMem.asm43
-rw-r--r--MdePkg/Library/BaseMemoryLibRepStr/x64/CopyMem.asm52
-rw-r--r--MdePkg/Library/BaseMemoryLibRepStr/x64/ScanMem16.asm42
-rw-r--r--MdePkg/Library/BaseMemoryLibRepStr/x64/ScanMem32.asm42
-rw-r--r--MdePkg/Library/BaseMemoryLibRepStr/x64/ScanMem64.asm42
-rw-r--r--MdePkg/Library/BaseMemoryLibRepStr/x64/ScanMem8.asm42
-rw-r--r--MdePkg/Library/BaseMemoryLibRepStr/x64/SetMem.asm35
-rw-r--r--MdePkg/Library/BaseMemoryLibRepStr/x64/SetMem16.asm35
-rw-r--r--MdePkg/Library/BaseMemoryLibRepStr/x64/SetMem32.asm35
-rw-r--r--MdePkg/Library/BaseMemoryLibRepStr/x64/SetMem64.asm35
-rw-r--r--MdePkg/Library/BaseMemoryLibRepStr/x64/ZeroMem.asm40
11 files changed, 443 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseMemoryLibRepStr/x64/CompareMem.asm b/MdePkg/Library/BaseMemoryLibRepStr/x64/CompareMem.asm
new file mode 100644
index 0000000000..b8e289bb27
--- /dev/null
+++ b/MdePkg/Library/BaseMemoryLibRepStr/x64/CompareMem.asm
@@ -0,0 +1,43 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; CompareMem.Asm
+;
+; Abstract:
+;
+; CompareMem function
+;
+; Notes:
+;
+; The following BaseMemoryLib instances share the same version of this file:
+;
+; BaseMemoryLibRepStr
+; BaseMemoryLibMmx
+; BaseMemoryLibSse2
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+InternalMemCompareMem PROC USES rsi rdi
+ mov rsi, rcx
+ mov rdi, rdx
+ mov rcx, r8
+ repe cmpsb
+ movzx rax, byte ptr [rsi - 1]
+ movzx rdx, byte ptr [rdi - 1]
+ sub rax, rdx
+ ret
+InternalMemCompareMem ENDP
+
+ END
diff --git a/MdePkg/Library/BaseMemoryLibRepStr/x64/CopyMem.asm b/MdePkg/Library/BaseMemoryLibRepStr/x64/CopyMem.asm
new file mode 100644
index 0000000000..43630715cb
--- /dev/null
+++ b/MdePkg/Library/BaseMemoryLibRepStr/x64/CopyMem.asm
@@ -0,0 +1,52 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; CopyMem.Asm
+;
+; Abstract:
+;
+; CopyMem function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+InternalMemCopyMem PROC USES rsi rdi
+ mov rsi, rdx ; rsi <- Source
+ mov rdi, rcx ; rdi <- Destination
+ lea r9, [rdi + r8 - 1] ; r9 <- End of Destination
+ cmp rsi, rdi
+ mov rax, rdi ; rax <- Destination as return value
+ jae @F
+ cmp r9, rsi
+ jae @CopyBackward ; Copy backward if overlapped
+@@:
+ mov rcx, r8
+ and r8, 7
+ shr rcx, 3
+ rep movsq ; Copy as many Qwords as possible
+ jmp @CopyBytes
+@CopyBackward:
+ mov rdi, r9 ; rdi <- End of Destination
+ lea rsi, [rsi + r8 - 1] ; esi <- End of Source
+ std ; set direction flag
+@CopyBytes:
+ mov rcx, r8
+ rep movsb ; Copy bytes backward
+ cld
+ ret
+InternalMemCopyMem ENDP
+
+ END
diff --git a/MdePkg/Library/BaseMemoryLibRepStr/x64/ScanMem16.asm b/MdePkg/Library/BaseMemoryLibRepStr/x64/ScanMem16.asm
new file mode 100644
index 0000000000..6af88fae5b
--- /dev/null
+++ b/MdePkg/Library/BaseMemoryLibRepStr/x64/ScanMem16.asm
@@ -0,0 +1,42 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; ScanMem16.Asm
+;
+; Abstract:
+;
+; ScanMem16 function
+;
+; Notes:
+;
+; The following BaseMemoryLib instances share the same version of this file:
+;
+; BaseMemoryLibRepStr
+; BaseMemoryLibMmx
+; BaseMemoryLibSse2
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+InternalMemScanMem16 PROC USES rdi
+ mov rdi, rcx
+ mov rax, r8
+ mov rcx, rdx
+ repne scasw
+ lea rax, [rdi - 2]
+ cmovnz rax, rcx
+ ret
+InternalMemScanMem16 ENDP
+
+ END
diff --git a/MdePkg/Library/BaseMemoryLibRepStr/x64/ScanMem32.asm b/MdePkg/Library/BaseMemoryLibRepStr/x64/ScanMem32.asm
new file mode 100644
index 0000000000..f9c9feb00e
--- /dev/null
+++ b/MdePkg/Library/BaseMemoryLibRepStr/x64/ScanMem32.asm
@@ -0,0 +1,42 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; ScanMem32.Asm
+;
+; Abstract:
+;
+; ScanMem32 function
+;
+; Notes:
+;
+; The following BaseMemoryLib instances share the same version of this file:
+;
+; BaseMemoryLibRepStr
+; BaseMemoryLibMmx
+; BaseMemoryLibSse2
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+InternalMemScanMem32 PROC USES rdi
+ mov rdi, rcx
+ mov rax, r8
+ mov rcx, rdx
+ repne scasd
+ lea rax, [rdi - 4]
+ cmovnz rax, rcx
+ ret
+InternalMemScanMem32 ENDP
+
+ END
diff --git a/MdePkg/Library/BaseMemoryLibRepStr/x64/ScanMem64.asm b/MdePkg/Library/BaseMemoryLibRepStr/x64/ScanMem64.asm
new file mode 100644
index 0000000000..2f286c9e2f
--- /dev/null
+++ b/MdePkg/Library/BaseMemoryLibRepStr/x64/ScanMem64.asm
@@ -0,0 +1,42 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; ScanMem64.Asm
+;
+; Abstract:
+;
+; ScanMem64 function
+;
+; Notes:
+;
+; The following BaseMemoryLib instances share the same version of this file:
+;
+; BaseMemoryLibRepStr
+; BaseMemoryLibMmx
+; BaseMemoryLibSse2
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+InternalMemScanMem64 PROC USES rdi
+ mov rdi, rcx
+ mov rax, r8
+ mov rcx, rdx
+ repne scasq
+ lea rax, [rdi - 8]
+ cmovnz rax, rcx
+ ret
+InternalMemScanMem64 ENDP
+
+ END
diff --git a/MdePkg/Library/BaseMemoryLibRepStr/x64/ScanMem8.asm b/MdePkg/Library/BaseMemoryLibRepStr/x64/ScanMem8.asm
new file mode 100644
index 0000000000..4027ece768
--- /dev/null
+++ b/MdePkg/Library/BaseMemoryLibRepStr/x64/ScanMem8.asm
@@ -0,0 +1,42 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; ScanMem8.Asm
+;
+; Abstract:
+;
+; ScanMem8 function
+;
+; Notes:
+;
+; The following BaseMemoryLib instances share the same version of this file:
+;
+; BaseMemoryLibRepStr
+; BaseMemoryLibMmx
+; BaseMemoryLibSse2
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+InternalMemScanMem8 PROC USES rdi
+ mov rdi, rcx
+ mov rcx, rdx
+ mov rax, r8
+ repne scasb
+ lea rax, [rdi - 1]
+ cmovnz rax, rcx ; set rax to 0 if not found
+ ret
+InternalMemScanMem8 ENDP
+
+ END
diff --git a/MdePkg/Library/BaseMemoryLibRepStr/x64/SetMem.asm b/MdePkg/Library/BaseMemoryLibRepStr/x64/SetMem.asm
new file mode 100644
index 0000000000..b9108c750e
--- /dev/null
+++ b/MdePkg/Library/BaseMemoryLibRepStr/x64/SetMem.asm
@@ -0,0 +1,35 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; SetMem.Asm
+;
+; Abstract:
+;
+; SetMem function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+InternalMemSetMem PROC USES rdi
+ mov rax, r8
+ mov rdi, rcx
+ xchg rcx, rdx
+ rep stosb
+ mov rax, rdx
+ ret
+InternalMemSetMem ENDP
+
+ END
diff --git a/MdePkg/Library/BaseMemoryLibRepStr/x64/SetMem16.asm b/MdePkg/Library/BaseMemoryLibRepStr/x64/SetMem16.asm
new file mode 100644
index 0000000000..3a9fd47fc3
--- /dev/null
+++ b/MdePkg/Library/BaseMemoryLibRepStr/x64/SetMem16.asm
@@ -0,0 +1,35 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; SetMem16.Asm
+;
+; Abstract:
+;
+; SetMem16 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+InternalMemSetMem16 PROC USES rdi
+ mov rdi, rcx
+ mov rax, r8
+ xchg rcx, rdx
+ rep stosw
+ mov rax, rdx
+ ret
+InternalMemSetMem16 ENDP
+
+ END
diff --git a/MdePkg/Library/BaseMemoryLibRepStr/x64/SetMem32.asm b/MdePkg/Library/BaseMemoryLibRepStr/x64/SetMem32.asm
new file mode 100644
index 0000000000..2020d19065
--- /dev/null
+++ b/MdePkg/Library/BaseMemoryLibRepStr/x64/SetMem32.asm
@@ -0,0 +1,35 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; SetMem32.Asm
+;
+; Abstract:
+;
+; SetMem32 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+InternalMemSetMem32 PROC USES rdi
+ mov rdi, rcx
+ mov rax, r8
+ xchg rcx, rdx
+ rep stosd
+ mov rax, rdx
+ ret
+InternalMemSetMem32 ENDP
+
+ END
diff --git a/MdePkg/Library/BaseMemoryLibRepStr/x64/SetMem64.asm b/MdePkg/Library/BaseMemoryLibRepStr/x64/SetMem64.asm
new file mode 100644
index 0000000000..70ca4fb75a
--- /dev/null
+++ b/MdePkg/Library/BaseMemoryLibRepStr/x64/SetMem64.asm
@@ -0,0 +1,35 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; SetMem64.Asm
+;
+; Abstract:
+;
+; SetMem64 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+InternalMemSetMem64 PROC USES rdi
+ mov rdi, rcx
+ mov rax, r8
+ xchg rcx, rdx
+ rep stosq
+ mov rax, rdx
+ ret
+InternalMemSetMem64 ENDP
+
+ END
diff --git a/MdePkg/Library/BaseMemoryLibRepStr/x64/ZeroMem.asm b/MdePkg/Library/BaseMemoryLibRepStr/x64/ZeroMem.asm
new file mode 100644
index 0000000000..c18a2e27c1
--- /dev/null
+++ b/MdePkg/Library/BaseMemoryLibRepStr/x64/ZeroMem.asm
@@ -0,0 +1,40 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; ZeroMem.Asm
+;
+; Abstract:
+;
+; ZeroMem function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+InternalMemZeroMem PROC USES rdi
+ push rcx
+ xor rax, rax
+ mov rdi, rcx
+ mov rcx, rdx
+ shr rcx, 3
+ and rdx, 7
+ rep stosq
+ mov ecx, edx
+ rep stosb
+ pop rax
+ ret
+InternalMemZeroMem ENDP
+
+ END