diff options
| author | Warner Losh <imp@FreeBSD.org> | 2017-03-07 20:53:26 +0000 |
|---|---|---|
| committer | Warner Losh <imp@FreeBSD.org> | 2017-03-07 20:53:26 +0000 |
| commit | 0499b37cea9ca98acfe36368e521ad36b7783f2d (patch) | |
| tree | 7968fdc8d6edf3e051bbd434a466eca88aacf938 /MdePkg/Library/BaseMemoryLibRepStr | |
Notes
Diffstat (limited to 'MdePkg/Library/BaseMemoryLibRepStr')
84 files changed, 4979 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseMemoryLibRepStr/BaseMemoryLibRepStr.inf b/MdePkg/Library/BaseMemoryLibRepStr/BaseMemoryLibRepStr.inf new file mode 100644 index 000000000000..447bc2fd4e4d --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/BaseMemoryLibRepStr.inf @@ -0,0 +1,149 @@ +## @file +# Instance of Base Memory Library using REP string instructions. +# +# Base Memory Library that uses REP string instructions for +# high performance and small size. Optimized for use in PEI. +# +# Copyright (c) 2007 - 2016, Intel Corporation. All rights reserved.<BR> +# +# 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. +# +# +## + +[Defines] + INF_VERSION = 0x00010005 + BASE_NAME = BaseMemoryLibRepStr + MODULE_UNI_FILE = BaseMemoryLibRepStr.uni + FILE_GUID = e7884bf4-51a1-485b-982a-ff89129983bc + MODULE_TYPE = BASE + VERSION_STRING = 1.1 + LIBRARY_CLASS = BaseMemoryLib + + +# +# VALID_ARCHITECTURES = IA32 X64 +# + +[Sources] + MemLibInternals.h + ScanMem64Wrapper.c + ScanMem32Wrapper.c + ScanMem16Wrapper.c + ScanMem8Wrapper.c + ZeroMemWrapper.c + CompareMemWrapper.c + SetMem64Wrapper.c + SetMem32Wrapper.c + SetMem16Wrapper.c + SetMemWrapper.c + CopyMemWrapper.c + IsZeroBufferWrapper.c + MemLibGuid.c + +[Sources.Ia32] + Ia32/ScanMem64.nasm + Ia32/ScanMem64.S + Ia32/ScanMem32.nasm + Ia32/ScanMem32.S + Ia32/ScanMem16.nasm + Ia32/ScanMem16.S + Ia32/ScanMem8.nasm + Ia32/ScanMem8.S + Ia32/CompareMem.nasm + Ia32/CompareMem.S + Ia32/ZeroMem.nasm + Ia32/ZeroMem.S + Ia32/SetMem64.nasm + Ia32/SetMem64.S + Ia32/SetMem32.nasm + Ia32/SetMem32.S + Ia32/SetMem16.nasm + Ia32/SetMem16.S + Ia32/SetMem.nasm + Ia32/SetMem.S + Ia32/CopyMem.nasm + Ia32/CopyMem.S + Ia32/ScanMem64.nasm + Ia32/ScanMem64.asm + Ia32/ScanMem32.nasm + Ia32/ScanMem32.asm + Ia32/ScanMem16.nasm + Ia32/ScanMem16.asm + Ia32/ScanMem8.nasm + Ia32/ScanMem8.asm + Ia32/CompareMem.nasm + Ia32/CompareMem.asm + Ia32/ZeroMem.nasm + Ia32/ZeroMem.asm + Ia32/SetMem64.nasm + Ia32/SetMem64.asm + Ia32/SetMem32.nasm + Ia32/SetMem32.asm + Ia32/SetMem16.nasm + Ia32/SetMem16.asm + Ia32/SetMem.nasm + Ia32/SetMem.asm + Ia32/CopyMem.nasm + Ia32/CopyMem.asm + Ia32/IsZeroBuffer.nasm + +[Sources.X64] + X64/ScanMem64.nasm + X64/ScanMem64.S + X64/ScanMem32.nasm + X64/ScanMem32.S + X64/ScanMem16.nasm + X64/ScanMem16.S + X64/ScanMem8.nasm + X64/ScanMem8.S + X64/CompareMem.nasm + X64/CompareMem.S + X64/ZeroMem.nasm + X64/ZeroMem.S + X64/SetMem64.nasm + X64/SetMem64.S + X64/SetMem32.nasm + X64/SetMem32.S + X64/SetMem16.nasm + X64/SetMem16.S + X64/SetMem.nasm + X64/SetMem.S + X64/CopyMem.nasm + X64/CopyMem.S + X64/ScanMem64.nasm + X64/ScanMem64.asm + X64/ScanMem32.nasm + X64/ScanMem32.asm + X64/ScanMem16.nasm + X64/ScanMem16.asm + X64/ScanMem8.nasm + X64/ScanMem8.asm + X64/CompareMem.nasm + X64/CompareMem.asm + X64/ZeroMem.nasm + X64/ZeroMem.asm + X64/SetMem64.nasm + X64/SetMem64.asm + X64/SetMem32.nasm + X64/SetMem32.asm + X64/SetMem16.nasm + X64/SetMem16.asm + X64/SetMem.nasm + X64/SetMem.asm + X64/CopyMem.nasm + X64/CopyMem.asm + X64/IsZeroBuffer.nasm + +[Packages] + MdePkg/MdePkg.dec + +[LibraryClasses] + DebugLib + BaseLib + diff --git a/MdePkg/Library/BaseMemoryLibRepStr/BaseMemoryLibRepStr.uni b/MdePkg/Library/BaseMemoryLibRepStr/BaseMemoryLibRepStr.uni new file mode 100644 index 000000000000..b6e1b5a79ba3 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/BaseMemoryLibRepStr.uni @@ -0,0 +1,22 @@ +// /** @file +// Instance of Base Memory Library using REP string instructions. +// +// Base Memory Library that uses REP string instructions for +// high performance and small size. Optimized for use in PEI. +// +// Copyright (c) 2007 - 2014, Intel Corporation. All rights reserved.<BR> +// +// 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. +// +// **/ + + +#string STR_MODULE_ABSTRACT #language en-US "Instance of Base Memory Library using REP string instructions" + +#string STR_MODULE_DESCRIPTION #language en-US "Base Memory Library that uses REP string instructions for high performance and small size. Optimized for use in PEI." + diff --git a/MdePkg/Library/BaseMemoryLibRepStr/CompareMemWrapper.c b/MdePkg/Library/BaseMemoryLibRepStr/CompareMemWrapper.c new file mode 100644 index 000000000000..aa7c2aab812c --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/CompareMemWrapper.c @@ -0,0 +1,66 @@ +/** @file + CompareMem() implementation. + + The following BaseMemoryLib instances contain the same copy of this file: + BaseMemoryLib + BaseMemoryLibMmx + BaseMemoryLibSse2 + BaseMemoryLibRepStr + BaseMemoryLibOptDxe + BaseMemoryLibOptPei + PeiMemoryLib + UefiMemoryLib + +Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR> +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. + +**/ + +#include "MemLibInternals.h" + +/** + Compares the contents of two buffers. + + This function compares Length bytes of SourceBuffer to Length bytes of DestinationBuffer. + If all Length bytes of the two buffers are identical, then 0 is returned. Otherwise, the + value returned is the first mismatched byte in SourceBuffer subtracted from the first + mismatched byte in DestinationBuffer. + + If Length > 0 and DestinationBuffer is NULL, then ASSERT(). + If Length > 0 and SourceBuffer is NULL, then ASSERT(). + If Length is greater than (MAX_ADDRESS - DestinationBuffer + 1), then ASSERT(). + If Length is greater than (MAX_ADDRESS - SourceBuffer + 1), then ASSERT(). + + @param DestinationBuffer The pointer to the destination buffer to compare. + @param SourceBuffer The pointer to the source buffer to compare. + @param Length The number of bytes to compare. + + @return 0 All Length bytes of the two buffers are identical. + @retval Non-zero The first mismatched byte in SourceBuffer subtracted from the first + mismatched byte in DestinationBuffer. + +**/ +INTN +EFIAPI +CompareMem ( + IN CONST VOID *DestinationBuffer, + IN CONST VOID *SourceBuffer, + IN UINTN Length + ) +{ + if (Length == 0 || DestinationBuffer == SourceBuffer) { + return 0; + } + ASSERT (DestinationBuffer != NULL); + ASSERT (SourceBuffer != NULL); + ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN)DestinationBuffer)); + ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN)SourceBuffer)); + + return InternalMemCompareMem (DestinationBuffer, SourceBuffer, Length); +} diff --git a/MdePkg/Library/BaseMemoryLibRepStr/CopyMemWrapper.c b/MdePkg/Library/BaseMemoryLibRepStr/CopyMemWrapper.c new file mode 100644 index 000000000000..f1a97699445d --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/CopyMemWrapper.c @@ -0,0 +1,63 @@ +/** @file + CopyMem() implementation. + + The following BaseMemoryLib instances contain the same copy of this file: + + BaseMemoryLib + BaseMemoryLibMmx + BaseMemoryLibSse2 + BaseMemoryLibRepStr + BaseMemoryLibOptDxe + BaseMemoryLibOptPei + PeiMemoryLib + UefiMemoryLib + + Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR> + 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. + +**/ + +#include "MemLibInternals.h" + +/** + Copies a source buffer to a destination buffer, and returns the destination buffer. + + This function copies Length bytes from SourceBuffer to DestinationBuffer, and returns + DestinationBuffer. The implementation must be reentrant, and it must handle the case + where SourceBuffer overlaps DestinationBuffer. + + If Length is greater than (MAX_ADDRESS - DestinationBuffer + 1), then ASSERT(). + If Length is greater than (MAX_ADDRESS - SourceBuffer + 1), then ASSERT(). + + @param DestinationBuffer The pointer to the destination buffer of the memory copy. + @param SourceBuffer The pointer to the source buffer of the memory copy. + @param Length The number of bytes to copy from SourceBuffer to DestinationBuffer. + + @return DestinationBuffer. + +**/ +VOID * +EFIAPI +CopyMem ( + OUT VOID *DestinationBuffer, + IN CONST VOID *SourceBuffer, + IN UINTN Length + ) +{ + if (Length == 0) { + return DestinationBuffer; + } + ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN)DestinationBuffer)); + ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN)SourceBuffer)); + + if (DestinationBuffer == SourceBuffer) { + return DestinationBuffer; + } + return InternalMemCopyMem (DestinationBuffer, SourceBuffer, Length); +} diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/CompareMem.S b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/CompareMem.S new file mode 100644 index 000000000000..1c9239eb3d09 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/CompareMem.S @@ -0,0 +1,55 @@ +#------------------------------------------------------------------------------ +# +# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR> +# 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 contain the same copy of this file: +# +# BaseMemoryLibRepStr +# BaseMemoryLibMmx +# BaseMemoryLibSse2 +# BaseMemoryLibOptDxe +# BaseMemoryLibOptPei +# +#------------------------------------------------------------------------------ + +ASM_GLOBAL ASM_PFX(InternalMemCompareMem) + +#------------------------------------------------------------------------------ +# INTN +# EFIAPI +# InternalMemCompareMem ( +# IN CONST VOID *DestinationBuffer, +# IN CONST VOID *SourceBuffer, +# IN UINTN Length +# ); +#------------------------------------------------------------------------------ +ASM_PFX(InternalMemCompareMem): + push %esi + push %edi + movl 12(%esp), %esi + movl 16(%esp), %edi + movl 20(%esp), %ecx + repe cmpsb + movzbl -1(%esi), %eax + movzbl -1(%edi), %edx + subl %edx, %eax + pop %edi + pop %esi + ret diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/CompareMem.asm b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/CompareMem.asm new file mode 100644 index 000000000000..ba31a1875712 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/CompareMem.asm @@ -0,0 +1,56 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR> +; 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 contain the same copy of this file: +; +; BaseMemoryLibRepStr +; BaseMemoryLibMmx +; BaseMemoryLibSse2 +; BaseMemoryLibOptDxe +; BaseMemoryLibOptPei +; +;------------------------------------------------------------------------------ + + .686 + .model flat,C + .code + +;------------------------------------------------------------------------------ +; INTN +; EFIAPI +; InternalMemCompareMem ( +; IN CONST VOID *DestinationBuffer, +; IN CONST VOID *SourceBuffer, +; IN UINTN Length +; ); +;------------------------------------------------------------------------------ +InternalMemCompareMem PROC USES esi edi + mov esi, [esp + 12] + mov edi, [esp + 16] + mov ecx, [esp + 20] + repe cmpsb + movzx eax, byte ptr [esi - 1] + movzx edx, byte ptr [edi - 1] + sub eax, edx + ret +InternalMemCompareMem ENDP + + END diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/CompareMem.nasm b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/CompareMem.nasm new file mode 100644 index 000000000000..e8d1abdc17fc --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/CompareMem.nasm @@ -0,0 +1,57 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR> +; 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 contain the same copy of this file: +; +; BaseMemoryLibRepStr +; BaseMemoryLibMmx +; BaseMemoryLibSse2 +; BaseMemoryLibOptDxe +; BaseMemoryLibOptPei +; +;------------------------------------------------------------------------------ + + SECTION .text + +;------------------------------------------------------------------------------ +; INTN +; EFIAPI +; InternalMemCompareMem ( +; IN CONST VOID *DestinationBuffer, +; IN CONST VOID *SourceBuffer, +; IN UINTN Length +; ); +;------------------------------------------------------------------------------ +global ASM_PFX(InternalMemCompareMem) +ASM_PFX(InternalMemCompareMem): + push esi + push edi + mov esi, [esp + 12] + mov edi, [esp + 16] + mov ecx, [esp + 20] + repe cmpsb + movzx eax, byte [esi - 1] + movzx edx, byte [edi - 1] + sub eax, edx + pop edi + pop esi + ret + diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/CopyMem.S b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/CopyMem.S new file mode 100644 index 000000000000..9276699e57c6 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/CopyMem.S @@ -0,0 +1,65 @@ +#------------------------------------------------------------------------------ +# +# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR> +# 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: +# +#------------------------------------------------------------------------------ + +ASM_GLOBAL ASM_PFX(InternalMemCopyMem) + +#------------------------------------------------------------------------------ +# VOID * +# EFIAPI +# InternalMemCopyMem ( +# IN VOID *Destination, +# IN VOID *Source, +# IN UINTN Count +# ); +#------------------------------------------------------------------------------ +ASM_PFX(InternalMemCopyMem): + push %esi + push %edi + movl 16(%esp), %esi # esi <- Source + movl 12(%esp), %edi # edi <- Destination + movl 20(%esp), %edx # edx <- Count + leal -1(%esi, %edx), %eax # eax <- End of Source + cmpl %edi, %esi + jae L0 + cmpl %edi, %eax + jae L_CopyBackward # Copy backward if overlapped +L0: + movl %edx, %ecx + andl $3, %edx + shrl $2, %ecx + rep + movsl # Copy as many Dwords as possible + jmp L_CopyBytes +L_CopyBackward: + movl %eax, %esi # esi <- End of Source + leal -1(%edi, %edx), %edi # edi <- End of Destination + std +L_CopyBytes: + movl %edx, %ecx + rep + movsb # Copy bytes backward + cld + movl 12(%esp), %eax # eax <- Destination as return value + pop %edi + pop %esi + ret diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/CopyMem.asm b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/CopyMem.asm new file mode 100644 index 000000000000..3ddc82848f0a --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/CopyMem.asm @@ -0,0 +1,63 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR> +; 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: +; +;------------------------------------------------------------------------------ + + .386 + .model flat,C + .code + +;------------------------------------------------------------------------------ +; VOID * +; InternalMemCopyMem ( +; IN VOID *Destination, +; IN VOID *Source, +; IN UINTN Count +; ) +;------------------------------------------------------------------------------ +InternalMemCopyMem PROC USES esi edi + mov esi, [esp + 16] ; esi <- Source + mov edi, [esp + 12] ; edi <- Destination + mov edx, [esp + 20] ; edx <- Count + lea eax, [esi + edx - 1] ; eax <- End of Source + cmp esi, edi + jae @F + cmp eax, edi + jae @CopyBackward ; Copy backward if overlapped +@@: + mov ecx, edx + and edx, 3 + shr ecx, 2 + rep movsd ; Copy as many Dwords as possible + jmp @CopyBytes +@CopyBackward: + mov esi, eax ; esi <- End of Source + lea edi, [edi + edx - 1] ; edi <- End of Destination + std +@CopyBytes: + mov ecx, edx + rep movsb ; Copy bytes backward + cld + mov eax, [esp + 12] ; eax <- Destination as return value + ret +InternalMemCopyMem ENDP + + END diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/CopyMem.nasm b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/CopyMem.nasm new file mode 100644 index 000000000000..ff9931d00e52 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/CopyMem.nasm @@ -0,0 +1,64 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR> +; 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: +; +;------------------------------------------------------------------------------ + + SECTION .text + +;------------------------------------------------------------------------------ +; VOID * +; InternalMemCopyMem ( +; IN VOID *Destination, +; IN VOID *Source, +; IN UINTN Count +; ) +;------------------------------------------------------------------------------ +global ASM_PFX(InternalMemCopyMem) +ASM_PFX(InternalMemCopyMem): + push esi + push edi + mov esi, [esp + 16] ; esi <- Source + mov edi, [esp + 12] ; edi <- Destination + mov edx, [esp + 20] ; edx <- Count + lea eax, [esi + edx - 1] ; eax <- End of Source + cmp esi, edi + jae .0 + cmp eax, edi + jae @CopyBackward ; Copy backward if overlapped +.0: + mov ecx, edx + and edx, 3 + shr ecx, 2 + rep movsd ; Copy as many Dwords as possible + jmp @CopyBytes +@CopyBackward: + mov esi, eax ; esi <- End of Source + lea edi, [edi + edx - 1] ; edi <- End of Destination + std +@CopyBytes: + mov ecx, edx + rep movsb ; Copy bytes backward + cld + mov eax, [esp + 12] ; eax <- Destination as return value + pop edi + pop esi + ret + diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/IsZeroBuffer.nasm b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/IsZeroBuffer.nasm new file mode 100644 index 000000000000..cfd41a62500b --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/IsZeroBuffer.nasm @@ -0,0 +1,55 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2016, Intel Corporation. All rights reserved.<BR> +; 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: +; +; IsZeroBuffer.nasm +; +; Abstract: +; +; IsZeroBuffer function +; +; Notes: +; +;------------------------------------------------------------------------------ + + SECTION .text + +;------------------------------------------------------------------------------ +; BOOLEAN +; EFIAPI +; InternalMemIsZeroBuffer ( +; IN CONST VOID *Buffer, +; IN UINTN Length +; ); +;------------------------------------------------------------------------------ +global ASM_PFX(InternalMemIsZeroBuffer) +ASM_PFX(InternalMemIsZeroBuffer): + push edi + mov edi, [esp + 8] ; edi <- Buffer + mov ecx, [esp + 12] ; ecx <- Length + mov edx, ecx ; edx <- ecx + shr ecx, 2 ; ecx <- number of dwords + and edx, 3 ; edx <- number of trailing bytes + xor eax, eax ; eax <- 0, also set ZF + repe scasd + jnz @ReturnFalse ; ZF=0 means non-zero element found + mov ecx, edx + repe scasb + jnz @ReturnFalse + pop edi + mov eax, 1 ; return TRUE + ret +@ReturnFalse: + pop edi + xor eax, eax + ret ; return FALSE + diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem16.S b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem16.S new file mode 100644 index 000000000000..1a482f227264 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem16.S @@ -0,0 +1,54 @@ +#------------------------------------------------------------------------------ +# +# Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR> +# 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 contain the same copy of this file: +# +# BaseMemoryLibRepStr +# BaseMemoryLibMmx +# BaseMemoryLibSse2 +# BaseMemoryLibOptDxe +# BaseMemoryLibOptPei +# +#------------------------------------------------------------------------------ + +ASM_GLOBAL ASM_PFX(InternalMemScanMem16) + +#------------------------------------------------------------------------------ +# CONST VOID * +# EFIAPI +# InternalMemScanMem16 ( +# IN CONST VOID *Buffer, +# IN UINTN Length, +# IN UINT16 Value +# ); +#------------------------------------------------------------------------------ +ASM_PFX(InternalMemScanMem16): + push %edi + movl 12(%esp), %ecx + movl 8(%esp), %edi + movl 16(%esp), %eax + repne scasw + leal -2(%edi), %eax + jz L0 + movl %ecx, %eax +L0: + pop %edi + ret diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem16.asm b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem16.asm new file mode 100644 index 000000000000..4084a952d21b --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem16.asm @@ -0,0 +1,57 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR> +; 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 contain the same copy of this file: +; +; BaseMemoryLibRepStr +; BaseMemoryLibMmx +; BaseMemoryLibSse2 +; BaseMemoryLibOptDxe +; BaseMemoryLibOptPei +; +;------------------------------------------------------------------------------ + + .686 + .model flat,C + .code + +;------------------------------------------------------------------------------ +; CONST VOID * +; EFIAPI +; InternalMemScanMem16 ( +; IN CONST VOID *Buffer, +; IN UINTN Length, +; IN UINT16 Value +; ); +;------------------------------------------------------------------------------ +InternalMemScanMem16 PROC USES edi + mov ecx, [esp + 12] + mov edi, [esp + 8] + mov eax, [esp + 16] + repne scasw + lea eax, [edi - 2] + jz @F + mov eax, ecx +@@: + ret +InternalMemScanMem16 ENDP + + END diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem16.nasm b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem16.nasm new file mode 100644 index 000000000000..71171ee92147 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem16.nasm @@ -0,0 +1,56 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR> +; 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 contain the same copy of this file: +; +; BaseMemoryLibRepStr +; BaseMemoryLibMmx +; BaseMemoryLibSse2 +; BaseMemoryLibOptDxe +; BaseMemoryLibOptPei +; +;------------------------------------------------------------------------------ + + SECTION .text + +;------------------------------------------------------------------------------ +; CONST VOID * +; EFIAPI +; InternalMemScanMem16 ( +; IN CONST VOID *Buffer, +; IN UINTN Length, +; IN UINT16 Value +; ); +;------------------------------------------------------------------------------ +global ASM_PFX(InternalMemScanMem16) +ASM_PFX(InternalMemScanMem16): + push edi + mov ecx, [esp + 12] + mov edi, [esp + 8] + mov eax, [esp + 16] + repne scasw + lea eax, [edi - 2] + jz .0 + mov eax, ecx +.0: + pop edi + ret + diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem32.S b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem32.S new file mode 100644 index 000000000000..edf7827ffdf2 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem32.S @@ -0,0 +1,54 @@ +#------------------------------------------------------------------------------ +# +# Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR> +# 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 contain the same copy of this file: +# +# BaseMemoryLibRepStr +# BaseMemoryLibMmx +# BaseMemoryLibSse2 +# BaseMemoryLibOptDxe +# BaseMemoryLibOptPei +# +#------------------------------------------------------------------------------ + +ASM_GLOBAL ASM_PFX(InternalMemScanMem32) + +#------------------------------------------------------------------------------ +# CONST VOID * +# EFIAPI +# InternalMemScanMem32 ( +# IN CONST VOID *Buffer, +# IN UINTN Length, +# IN UINT32 Value +# ); +#------------------------------------------------------------------------------ +ASM_PFX(InternalMemScanMem32): + push %edi + movl 12(%esp), %ecx + movl 8(%esp), %edi + movl 16(%esp), %eax + repne scasl + leal -4(%edi), %eax + jz L0 + movl %ecx, %eax +L0: + pop %edi + ret diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem32.asm b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem32.asm new file mode 100644 index 000000000000..c2e968c214f7 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem32.asm @@ -0,0 +1,57 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR> +; 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 contain the same copy of this file: +; +; BaseMemoryLibRepStr +; BaseMemoryLibMmx +; BaseMemoryLibSse2 +; BaseMemoryLibOptDxe +; BaseMemoryLibOptPei +; +;------------------------------------------------------------------------------ + + .686 + .model flat,C + .code + +;------------------------------------------------------------------------------ +; CONST VOID * +; EFIAPI +; InternalMemScanMem32 ( +; IN CONST VOID *Buffer, +; IN UINTN Length, +; IN UINT32 Value +; ); +;------------------------------------------------------------------------------ +InternalMemScanMem32 PROC USES edi + mov ecx, [esp + 12] + mov edi, [esp + 8] + mov eax, [esp + 16] + repne scasd + lea eax, [edi - 4] + jz @F + mov eax, ecx +@@: + ret +InternalMemScanMem32 ENDP + + END diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem32.nasm b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem32.nasm new file mode 100644 index 000000000000..9d1b02859d09 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem32.nasm @@ -0,0 +1,56 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR> +; 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 contain the same copy of this file: +; +; BaseMemoryLibRepStr +; BaseMemoryLibMmx +; BaseMemoryLibSse2 +; BaseMemoryLibOptDxe +; BaseMemoryLibOptPei +; +;------------------------------------------------------------------------------ + + SECTION .text + +;------------------------------------------------------------------------------ +; CONST VOID * +; EFIAPI +; InternalMemScanMem32 ( +; IN CONST VOID *Buffer, +; IN UINTN Length, +; IN UINT32 Value +; ); +;------------------------------------------------------------------------------ +global ASM_PFX(InternalMemScanMem32) +ASM_PFX(InternalMemScanMem32): + push edi + mov ecx, [esp + 12] + mov edi, [esp + 8] + mov eax, [esp + 16] + repne scasd + lea eax, [edi - 4] + jz .0 + mov eax, ecx +.0: + pop edi + ret + diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem64.S b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem64.S new file mode 100644 index 000000000000..48aa5813b6be --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem64.S @@ -0,0 +1,63 @@ +#------------------------------------------------------------------------------ +# +# Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR> +# 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 contain the same copy of this file: +# +# BaseMemoryLibRepStr +# BaseMemoryLibMmx +# BaseMemoryLibSse2 +# BaseMemoryLibOptDxe +# BaseMemoryLibOptPei +# +#------------------------------------------------------------------------------ + +ASM_GLOBAL ASM_PFX(InternalMemScanMem64) + +#------------------------------------------------------------------------------ +# CONST VOID * +# EFIAPI +# InternalMemScanMem64 ( +# IN CONST VOID *Buffer, +# IN UINTN Length, +# IN UINT64 Value +# ); +#------------------------------------------------------------------------------ +ASM_PFX(InternalMemScanMem64): + push %edi + movl 12(%esp), %ecx + movl 16(%esp), %eax + movl 20(%esp), %edx + movl 8(%esp), %edi +L0: + cmpl (%edi), %eax + leal 8(%edi), %edi + loopne L0 + jne L1 + cmpl -4(%edi), %edx + jecxz L1 + jne L0 +L1: + leal -8(%edi), %eax + jz L2 + movl %ecx, %eax +L2: + pop %edi + ret diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem64.asm b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem64.asm new file mode 100644 index 000000000000..f3b90edea11e --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem64.asm @@ -0,0 +1,66 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR> +; 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 contain the same copy of this file: +; +; BaseMemoryLibRepStr +; BaseMemoryLibMmx +; BaseMemoryLibSse2 +; BaseMemoryLibOptDxe +; BaseMemoryLibOptPei +; +;------------------------------------------------------------------------------ + + .686 + .model flat,C + .code + +;------------------------------------------------------------------------------ +; CONST VOID * +; EFIAPI +; InternalMemScanMem64 ( +; IN CONST VOID *Buffer, +; IN UINTN Length, +; IN UINT64 Value +; ); +;------------------------------------------------------------------------------ +InternalMemScanMem64 PROC USES edi + mov ecx, [esp + 12] + mov eax, [esp + 16] + mov edx, [esp + 20] + mov edi, [esp + 8] +@@: + cmp eax, [edi] + lea edi, [edi + 8] + loopne @B + jne @F + cmp edx, [edi - 4] + jecxz @F + jne @B +@@: + lea eax, [edi - 8] + jz @F + mov eax, ecx +@@: + ret +InternalMemScanMem64 ENDP + + END diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem64.nasm b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem64.nasm new file mode 100644 index 000000000000..108263d19ed4 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem64.nasm @@ -0,0 +1,65 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR> +; 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 contain the same copy of this file: +; +; BaseMemoryLibRepStr +; BaseMemoryLibMmx +; BaseMemoryLibSse2 +; BaseMemoryLibOptDxe +; BaseMemoryLibOptPei +; +;------------------------------------------------------------------------------ + + SECTION .text + +;------------------------------------------------------------------------------ +; CONST VOID * +; EFIAPI +; InternalMemScanMem64 ( +; IN CONST VOID *Buffer, +; IN UINTN Length, +; IN UINT64 Value +; ); +;------------------------------------------------------------------------------ +global ASM_PFX(InternalMemScanMem64) +ASM_PFX(InternalMemScanMem64): + push edi + mov ecx, [esp + 12] + mov eax, [esp + 16] + mov edx, [esp + 20] + mov edi, [esp + 8] +.0: + cmp eax, [edi] + lea edi, [edi + 8] + loopne .0 + jne .1 + cmp edx, [edi - 4] + jecxz .1 + jne .0 +.1: + lea eax, [edi - 8] + jz .2 + mov eax, ecx +.2: + pop edi + ret + diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem8.S b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem8.S new file mode 100644 index 000000000000..9fd9fa1fbe75 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem8.S @@ -0,0 +1,54 @@ +#------------------------------------------------------------------------------ +# +# Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR> +# 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 contain the same copy of this file: +# +# BaseMemoryLibRepStr +# BaseMemoryLibMmx +# BaseMemoryLibSse2 +# BaseMemoryLibOptDxe +# BaseMemoryLibOptPei +# +#------------------------------------------------------------------------------ + +ASM_GLOBAL ASM_PFX(InternalMemScanMem8) + +#------------------------------------------------------------------------------ +# CONST VOID * +# EFIAPI +# InternalMemScanMem8 ( +# IN CONST VOID *Buffer, +# IN UINTN Length, +# IN UINT8 Value +# ); +#------------------------------------------------------------------------------ +ASM_PFX(InternalMemScanMem8): + push %edi + movl 12(%esp), %ecx + movl 8(%esp), %edi + movb 16(%esp), %al + repne scasb + leal -1(%edi), %eax + jz L0 + movl %ecx, %eax +L0: + pop %edi + ret diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem8.asm b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem8.asm new file mode 100644 index 000000000000..870928ee82cb --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem8.asm @@ -0,0 +1,57 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR> +; 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 contain the same copy of this file: +; +; BaseMemoryLibRepStr +; BaseMemoryLibMmx +; BaseMemoryLibSse2 +; BaseMemoryLibOptDxe +; BaseMemoryLibOptPei +; +;------------------------------------------------------------------------------ + + .686 + .model flat,C + .code + +;------------------------------------------------------------------------------ +; CONST VOID * +; EFIAPI +; InternalMemScanMem8 ( +; IN CONST VOID *Buffer, +; IN UINTN Length, +; IN UINT8 Value +; ); +;------------------------------------------------------------------------------ +InternalMemScanMem8 PROC USES edi + mov ecx, [esp + 12] + mov edi, [esp + 8] + mov al, [esp + 16] + repne scasb + lea eax, [edi - 1] + jz @F + mov eax, ecx +@@: + ret +InternalMemScanMem8 ENDP + + END diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem8.nasm b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem8.nasm new file mode 100644 index 000000000000..c6ecdfd8dd3b --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem8.nasm @@ -0,0 +1,56 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR> +; 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 contain the same copy of this file: +; +; BaseMemoryLibRepStr +; BaseMemoryLibMmx +; BaseMemoryLibSse2 +; BaseMemoryLibOptDxe +; BaseMemoryLibOptPei +; +;------------------------------------------------------------------------------ + + SECTION .text + +;------------------------------------------------------------------------------ +; CONST VOID * +; EFIAPI +; InternalMemScanMem8 ( +; IN CONST VOID *Buffer, +; IN UINTN Length, +; IN UINT8 Value +; ); +;------------------------------------------------------------------------------ +global ASM_PFX(InternalMemScanMem8) +ASM_PFX(InternalMemScanMem8): + push edi + mov ecx, [esp + 12] + mov edi, [esp + 8] + mov al, [esp + 16] + repne scasb + lea eax, [edi - 1] + jz .0 + mov eax, ecx +.0: + pop edi + ret + diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem.S b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem.S new file mode 100644 index 000000000000..63065eacf3ff --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem.S @@ -0,0 +1,46 @@ +#------------------------------------------------------------------------------ +# +# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR> +# 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: + +ASM_GLOBAL ASM_PFX(InternalMemSetMem) + +#------------------------------------------------------------------------------ +# VOID * +# InternalMemSetMem ( +# IN VOID *Buffer, +# IN UINTN Count, +# IN UINT8 Value +# ) +#------------------------------------------------------------------------------ +ASM_PFX(InternalMemSetMem): + push %edi + movl 16(%esp),%eax + movl 8(%esp),%edi + movl 12(%esp),%ecx + rep + stosb + movl 8(%esp),%eax + pop %edi + ret diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem.asm b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem.asm new file mode 100644 index 000000000000..59971eea5284 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem.asm @@ -0,0 +1,45 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR> +; 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: +; +;------------------------------------------------------------------------------ + + .386 + .model flat,C + .code + +;------------------------------------------------------------------------------ +; VOID * +; InternalMemSetMem ( +; IN VOID *Buffer, +; IN UINTN Count, +; IN UINT8 Value +; ) +;------------------------------------------------------------------------------ +InternalMemSetMem PROC USES edi + mov eax, [esp + 16] + mov edi, [esp + 8] + mov ecx, [esp + 12] + rep stosb + mov eax, [esp + 8] + ret +InternalMemSetMem ENDP + + END diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem.nasm b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem.nasm new file mode 100644 index 000000000000..c27207d9c6f5 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem.nasm @@ -0,0 +1,44 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR> +; 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: +; +;------------------------------------------------------------------------------ + + SECTION .text + +;------------------------------------------------------------------------------ +; VOID * +; InternalMemSetMem ( +; IN VOID *Buffer, +; IN UINTN Count, +; IN UINT8 Value +; ) +;------------------------------------------------------------------------------ +global ASM_PFX(InternalMemSetMem) +ASM_PFX(InternalMemSetMem): + push edi + mov eax, [esp + 16] + mov edi, [esp + 8] + mov ecx, [esp + 12] + rep stosb + mov eax, [esp + 8] + pop edi + ret + diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem16.S b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem16.S new file mode 100644 index 000000000000..d32ce4a229a4 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem16.S @@ -0,0 +1,43 @@ +#------------------------------------------------------------------------------ +# +# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR> +# 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: +# +#------------------------------------------------------------------------------ + +ASM_GLOBAL ASM_PFX(InternalMemSetMem16) + +#------------------------------------------------------------------------------ +# VOID * +# InternalMemSetMem16 ( +# IN VOID *Buffer, +# IN UINTN Count, +# IN UINT16 Value +# ) +#------------------------------------------------------------------------------ +ASM_PFX(InternalMemSetMem16): + push %edi + movl 16(%esp), %eax + movl 8(%esp), %edi + movl 12(%esp), %ecx + rep + stosw + movl 8(%esp), %eax + pop %edi + ret diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem16.asm b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem16.asm new file mode 100644 index 000000000000..3d8c9a6299fc --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem16.asm @@ -0,0 +1,45 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR> +; 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: +; +;------------------------------------------------------------------------------ + + .386 + .model flat,C + .code + +;------------------------------------------------------------------------------ +; VOID * +; InternalMemSetMem16 ( +; IN VOID *Buffer, +; IN UINTN Count, +; IN UINT16 Value +; ) +;------------------------------------------------------------------------------ +InternalMemSetMem16 PROC USES edi + mov eax, [esp + 16] + mov edi, [esp + 8] + mov ecx, [esp + 12] + rep stosw + mov eax, [esp + 8] + ret +InternalMemSetMem16 ENDP + + END diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem16.nasm b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem16.nasm new file mode 100644 index 000000000000..cfa4906e729c --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem16.nasm @@ -0,0 +1,44 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR> +; 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: +; +;------------------------------------------------------------------------------ + + SECTION .text + +;------------------------------------------------------------------------------ +; VOID * +; InternalMemSetMem16 ( +; IN VOID *Buffer, +; IN UINTN Count, +; IN UINT16 Value +; ) +;------------------------------------------------------------------------------ +global ASM_PFX(InternalMemSetMem16) +ASM_PFX(InternalMemSetMem16): + push edi + mov eax, [esp + 16] + mov edi, [esp + 8] + mov ecx, [esp + 12] + rep stosw + mov eax, [esp + 8] + pop edi + ret + diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem32.S b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem32.S new file mode 100644 index 000000000000..7fbe11ddaf4e --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem32.S @@ -0,0 +1,43 @@ +#------------------------------------------------------------------------------ +# +# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR> +# 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: +# +#------------------------------------------------------------------------------ + +ASM_GLOBAL ASM_PFX(InternalMemSetMem32) + +#------------------------------------------------------------------------------ +# VOID * +# InternalMemSetMem32 ( +# IN VOID *Buffer, +# IN UINTN Count, +# IN UINT32 Value +# ) +#------------------------------------------------------------------------------ +ASM_PFX(InternalMemSetMem32): + push %edi + movl 16(%esp),%eax + movl 8(%esp),%edi + movl 12(%esp),%ecx + rep + stosl + movl 8(%esp),%eax + pop %edi + ret diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem32.asm b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem32.asm new file mode 100644 index 000000000000..f1e1991b8d67 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem32.asm @@ -0,0 +1,45 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR> +; 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: +; +;------------------------------------------------------------------------------ + + .386 + .model flat,C + .code + +;------------------------------------------------------------------------------ +; VOID * +; InternalMemSetMem32 ( +; IN VOID *Buffer, +; IN UINTN Count, +; IN UINT32 Value +; ) +;------------------------------------------------------------------------------ +InternalMemSetMem32 PROC USES edi + mov eax, [esp + 16] + mov edi, [esp + 8] + mov ecx, [esp + 12] + rep stosd + mov eax, [esp + 8] + ret +InternalMemSetMem32 ENDP + + END diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem32.nasm b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem32.nasm new file mode 100644 index 000000000000..78e09b39e2a2 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem32.nasm @@ -0,0 +1,44 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR> +; 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: +; +;------------------------------------------------------------------------------ + + SECTION .text + +;------------------------------------------------------------------------------ +; VOID * +; InternalMemSetMem32 ( +; IN VOID *Buffer, +; IN UINTN Count, +; IN UINT32 Value +; ) +;------------------------------------------------------------------------------ +global ASM_PFX(InternalMemSetMem32) +ASM_PFX(InternalMemSetMem32): + push edi + mov eax, [esp + 16] + mov edi, [esp + 8] + mov ecx, [esp + 12] + rep stosd + mov eax, [esp + 8] + pop edi + ret + diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem64.S b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem64.S new file mode 100644 index 000000000000..9a0bb071a829 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem64.S @@ -0,0 +1,46 @@ +#------------------------------------------------------------------------------ +# +# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR> +# 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: +# +#------------------------------------------------------------------------------ + +ASM_GLOBAL ASM_PFX(InternalMemSetMem64) + +#------------------------------------------------------------------------------ +# VOID * +# InternalMemSetMem64 ( +# IN VOID *Buffer, +# IN UINTN Count, +# IN UINT64 Value +# ) +#------------------------------------------------------------------------------ +ASM_PFX(InternalMemSetMem64): + push %edi + movl 12(%esp), %ecx + movl 16(%esp), %eax + movl 20(%esp), %edx + movl 8(%esp), %edi +L0: + mov %eax, -8(%edi, %ecx, 8) + mov %edx, -4(%edi, %ecx, 8) + loop L0 + movl %edi, %eax + pop %edi + ret diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem64.asm b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem64.asm new file mode 100644 index 000000000000..31d718adae72 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem64.asm @@ -0,0 +1,49 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR> +; 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: +; +;------------------------------------------------------------------------------ + + .386 + .model flat,C + .code + +;------------------------------------------------------------------------------ +; VOID * +; InternalMemSetMem64 ( +; IN VOID *Buffer, +; IN UINTN Count, +; IN UINT64 Value +; ) +;------------------------------------------------------------------------------ +InternalMemSetMem64 PROC USES edi + mov ecx, [esp + 12] + mov eax, [esp + 16] + mov edx, [esp + 20] + mov edi, [esp + 8] +@@: + mov [edi + ecx*8 - 8], eax + mov [edi + ecx*8 - 4], edx + loop @B + mov eax, edi + ret +InternalMemSetMem64 ENDP + + END diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem64.nasm b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem64.nasm new file mode 100644 index 000000000000..d0afacb52493 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem64.nasm @@ -0,0 +1,48 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR> +; 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: +; +;------------------------------------------------------------------------------ + + SECTION .text + +;------------------------------------------------------------------------------ +; VOID * +; InternalMemSetMem64 ( +; IN VOID *Buffer, +; IN UINTN Count, +; IN UINT64 Value +; ) +;------------------------------------------------------------------------------ +global ASM_PFX(InternalMemSetMem64) +ASM_PFX(InternalMemSetMem64): + push edi + mov ecx, [esp + 12] + mov eax, [esp + 16] + mov edx, [esp + 20] + mov edi, [esp + 8] +.0: + mov [edi + ecx*8 - 8], eax + mov [edi + ecx*8 - 4], edx + loop .0 + mov eax, edi + pop edi + ret + diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ZeroMem.S b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ZeroMem.S new file mode 100644 index 000000000000..33b31ad38587 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ZeroMem.S @@ -0,0 +1,49 @@ +#------------------------------------------------------------------------------ +# +# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR> +# 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: +# +#------------------------------------------------------------------------------ + +ASM_GLOBAL ASM_PFX(InternalMemZeroMem) + +#------------------------------------------------------------------------------ +# VOID * +# InternalMemZeroMem ( +# IN VOID *Buffer, +# IN UINTN Count +# ); +#------------------------------------------------------------------------------ +ASM_PFX(InternalMemZeroMem): + push %edi + xorl %eax,%eax + movl 8(%esp),%edi + movl 12(%esp),%ecx + movl %ecx,%edx + shrl $2,%ecx + andl $3,%edx + pushl %edi + rep + stosl + movl %edx,%ecx + rep + stosb + popl %eax + pop %edi + ret diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ZeroMem.asm b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ZeroMem.asm new file mode 100644 index 000000000000..01ea1af932ee --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ZeroMem.asm @@ -0,0 +1,50 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR> +; 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: +; +;------------------------------------------------------------------------------ + + .386 + .model flat,C + .code + +;------------------------------------------------------------------------------ +; VOID * +; InternalMemZeroMem ( +; IN VOID *Buffer, +; IN UINTN Count +; ); +;------------------------------------------------------------------------------ +InternalMemZeroMem PROC USES edi + xor eax, eax + mov edi, [esp + 8] + mov ecx, [esp + 12] + mov edx, ecx + shr ecx, 2 + and edx, 3 + push edi + rep stosd + mov ecx, edx + rep stosb + pop eax + ret +InternalMemZeroMem ENDP + + END diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ZeroMem.nasm b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ZeroMem.nasm new file mode 100644 index 000000000000..31efb6ad8668 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ZeroMem.nasm @@ -0,0 +1,49 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR> +; 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: +; +;------------------------------------------------------------------------------ + + SECTION .text + +;------------------------------------------------------------------------------ +; VOID * +; InternalMemZeroMem ( +; IN VOID *Buffer, +; IN UINTN Count +; ); +;------------------------------------------------------------------------------ +global ASM_PFX(InternalMemZeroMem) +ASM_PFX(InternalMemZeroMem): + push edi + xor eax, eax + mov edi, [esp + 8] + mov ecx, [esp + 12] + mov edx, ecx + shr ecx, 2 + and edx, 3 + push edi + rep stosd + mov ecx, edx + rep stosb + pop eax + pop edi + ret + diff --git a/MdePkg/Library/BaseMemoryLibRepStr/IsZeroBufferWrapper.c b/MdePkg/Library/BaseMemoryLibRepStr/IsZeroBufferWrapper.c new file mode 100644 index 000000000000..078c924da153 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/IsZeroBufferWrapper.c @@ -0,0 +1,54 @@ +/** @file + Implementation of IsZeroBuffer function. + + The following BaseMemoryLib instances contain the same copy of this file: + + BaseMemoryLib + BaseMemoryLibMmx + BaseMemoryLibSse2 + BaseMemoryLibRepStr + BaseMemoryLibOptDxe + BaseMemoryLibOptPei + PeiMemoryLib + UefiMemoryLib + + Copyright (c) 2016, Intel Corporation. All rights reserved.<BR> + 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. + +**/ + +#include "MemLibInternals.h" + +/** + Checks if the contents of a buffer are all zeros. + + This function checks whether the contents of a buffer are all zeros. If the + contents are all zeros, return TRUE. Otherwise, return FALSE. + + If Length > 0 and Buffer is NULL, then ASSERT(). + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + + @param Buffer The pointer to the buffer to be checked. + @param Length The size of the buffer (in bytes) to be checked. + + @retval TRUE Contents of the buffer are all zeros. + @retval FALSE Contents of the buffer are not all zeros. + +**/ +BOOLEAN +EFIAPI +IsZeroBuffer ( + IN CONST VOID *Buffer, + IN UINTN Length + ) +{ + ASSERT (!(Buffer == NULL && Length > 0)); + ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN)Buffer)); + return InternalMemIsZeroBuffer (Buffer, Length); +} diff --git a/MdePkg/Library/BaseMemoryLibRepStr/MemLibGuid.c b/MdePkg/Library/BaseMemoryLibRepStr/MemLibGuid.c new file mode 100644 index 000000000000..4aab05d53b67 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/MemLibGuid.c @@ -0,0 +1,171 @@ +/** @file + Implementation of GUID functions. + + The following BaseMemoryLib instances contain the same copy of this file: + + BaseMemoryLib + BaseMemoryLibMmx + BaseMemoryLibSse2 + BaseMemoryLibRepStr + BaseMemoryLibOptDxe + BaseMemoryLibOptPei + PeiMemoryLib + UefiMemoryLib + + Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR> + 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. + +**/ + +#include "MemLibInternals.h" + +/** + Copies a source GUID to a destination GUID. + + This function copies the contents of the 128-bit GUID specified by SourceGuid to + DestinationGuid, and returns DestinationGuid. + + If DestinationGuid is NULL, then ASSERT(). + If SourceGuid is NULL, then ASSERT(). + + @param DestinationGuid The pointer to the destination GUID. + @param SourceGuid The pointer to the source GUID. + + @return DestinationGuid. + +**/ +GUID * +EFIAPI +CopyGuid ( + OUT GUID *DestinationGuid, + IN CONST GUID *SourceGuid + ) +{ + WriteUnaligned64 ( + (UINT64*)DestinationGuid, + ReadUnaligned64 ((CONST UINT64*)SourceGuid) + ); + WriteUnaligned64 ( + (UINT64*)DestinationGuid + 1, + ReadUnaligned64 ((CONST UINT64*)SourceGuid + 1) + ); + return DestinationGuid; +} + +/** + Compares two GUIDs. + + This function compares Guid1 to Guid2. If the GUIDs are identical then TRUE is returned. + If there are any bit differences in the two GUIDs, then FALSE is returned. + + If Guid1 is NULL, then ASSERT(). + If Guid2 is NULL, then ASSERT(). + + @param Guid1 A pointer to a 128 bit GUID. + @param Guid2 A pointer to a 128 bit GUID. + + @retval TRUE Guid1 and Guid2 are identical. + @retval FALSE Guid1 and Guid2 are not identical. + +**/ +BOOLEAN +EFIAPI +CompareGuid ( + IN CONST GUID *Guid1, + IN CONST GUID *Guid2 + ) +{ + UINT64 LowPartOfGuid1; + UINT64 LowPartOfGuid2; + UINT64 HighPartOfGuid1; + UINT64 HighPartOfGuid2; + + LowPartOfGuid1 = ReadUnaligned64 ((CONST UINT64*) Guid1); + LowPartOfGuid2 = ReadUnaligned64 ((CONST UINT64*) Guid2); + HighPartOfGuid1 = ReadUnaligned64 ((CONST UINT64*) Guid1 + 1); + HighPartOfGuid2 = ReadUnaligned64 ((CONST UINT64*) Guid2 + 1); + + return (BOOLEAN) (LowPartOfGuid1 == LowPartOfGuid2 && HighPartOfGuid1 == HighPartOfGuid2); +} + +/** + Scans a target buffer for a GUID, and returns a pointer to the matching GUID + in the target buffer. + + This function searches the target buffer specified by Buffer and Length from + the lowest address to the highest address at 128-bit increments for the 128-bit + GUID value that matches Guid. If a match is found, then a pointer to the matching + GUID in the target buffer is returned. If no match is found, then NULL is returned. + If Length is 0, then NULL is returned. + + If Length > 0 and Buffer is NULL, then ASSERT(). + If Buffer is not aligned on a 32-bit boundary, then ASSERT(). + If Length is not aligned on a 128-bit boundary, then ASSERT(). + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + + @param Buffer The pointer to the target buffer to scan. + @param Length The number of bytes in Buffer to scan. + @param Guid The value to search for in the target buffer. + + @return A pointer to the matching Guid in the target buffer or NULL otherwise. + +**/ +VOID * +EFIAPI +ScanGuid ( + IN CONST VOID *Buffer, + IN UINTN Length, + IN CONST GUID *Guid + ) +{ + CONST GUID *GuidPtr; + + ASSERT (((UINTN)Buffer & (sizeof (Guid->Data1) - 1)) == 0); + ASSERT (Length <= (MAX_ADDRESS - (UINTN)Buffer + 1)); + ASSERT ((Length & (sizeof (*GuidPtr) - 1)) == 0); + + GuidPtr = (GUID*)Buffer; + Buffer = GuidPtr + Length / sizeof (*GuidPtr); + while (GuidPtr < (CONST GUID*)Buffer) { + if (CompareGuid (GuidPtr, Guid)) { + return (VOID*)GuidPtr; + } + GuidPtr++; + } + return NULL; +} + +/** + Checks if the given GUID is a zero GUID. + + This function checks whether the given GUID is a zero GUID. If the GUID is + identical to a zero GUID then TRUE is returned. Otherwise, FALSE is returned. + + If Guid is NULL, then ASSERT(). + + @param Guid The pointer to a 128 bit GUID. + + @retval TRUE Guid is a zero GUID. + @retval FALSE Guid is not a zero GUID. + +**/ +BOOLEAN +EFIAPI +IsZeroGuid ( + IN CONST GUID *Guid + ) +{ + UINT64 LowPartOfGuid; + UINT64 HighPartOfGuid; + + LowPartOfGuid = ReadUnaligned64 ((CONST UINT64*) Guid); + HighPartOfGuid = ReadUnaligned64 ((CONST UINT64*) Guid + 1); + + return (BOOLEAN) (LowPartOfGuid == 0 && HighPartOfGuid == 0); +} diff --git a/MdePkg/Library/BaseMemoryLibRepStr/MemLibInternals.h b/MdePkg/Library/BaseMemoryLibRepStr/MemLibInternals.h new file mode 100644 index 000000000000..83b0f067e224 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/MemLibInternals.h @@ -0,0 +1,251 @@ +/** @file + Declaration of internal functions for Base Memory Library. + + The following BaseMemoryLib instances contain the same copy of this file: + BaseMemoryLib + BaseMemoryLibMmx + BaseMemoryLibSse2 + BaseMemoryLibRepStr + BaseMemoryLibOptDxe + BaseMemoryLibOptPei + + Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR> + 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. + +**/ + +#ifndef __MEM_LIB_INTERNALS__ +#define __MEM_LIB_INTERNALS__ + +#include <Base.h> +#include <Library/BaseMemoryLib.h> +#include <Library/BaseLib.h> +#include <Library/DebugLib.h> + +/** + Copy Length bytes from Source to Destination. + + @param DestinationBuffer Target of copy + @param SourceBuffer Place to copy from + @param Length The number of bytes to copy + + @return Destination + +**/ +VOID * +EFIAPI +InternalMemCopyMem ( + OUT VOID *DestinationBuffer, + IN CONST VOID *SourceBuffer, + IN UINTN Length + ); + +/** + Set Buffer to Value for Size bytes. + + @param Buffer The memory to set. + @param Length The number of bytes to set + @param Value The value of the set operation. + + @return Buffer + +**/ +VOID * +EFIAPI +InternalMemSetMem ( + OUT VOID *Buffer, + IN UINTN Length, + IN UINT8 Value + ); + +/** + Fills a target buffer with a 16-bit value, and returns the target buffer. + + @param Buffer The pointer to the target buffer to fill. + @param Length The count of 16-bit value to fill. + @param Value The value with which to fill Length bytes of Buffer. + + @return Buffer + +**/ +VOID * +EFIAPI +InternalMemSetMem16 ( + OUT VOID *Buffer, + IN UINTN Length, + IN UINT16 Value + ); + +/** + Fills a target buffer with a 32-bit value, and returns the target buffer. + + @param Buffer The pointer to the target buffer to fill. + @param Length The count of 32-bit value to fill. + @param Value The value with which to fill Length bytes of Buffer. + + @return Buffer + +**/ +VOID * +EFIAPI +InternalMemSetMem32 ( + OUT VOID *Buffer, + IN UINTN Length, + IN UINT32 Value + ); + +/** + Fills a target buffer with a 64-bit value, and returns the target buffer. + + @param Buffer The pointer to the target buffer to fill. + @param Length The count of 64-bit value to fill. + @param Value The value with which to fill Length bytes of Buffer. + + @return Buffer + +**/ +VOID * +EFIAPI +InternalMemSetMem64 ( + OUT VOID *Buffer, + IN UINTN Length, + IN UINT64 Value + ); + +/** + Set Buffer to 0 for Size bytes. + + @param Buffer The memory to set. + @param Length The number of bytes to set. + + @return Buffer + +**/ +VOID * +EFIAPI +InternalMemZeroMem ( + OUT VOID *Buffer, + IN UINTN Length + ); + +/** + Compares two memory buffers of a given length. + + @param DestinationBuffer The first memory buffer. + @param SourceBuffer The second memory buffer. + @param Length The length of DestinationBuffer and SourceBuffer memory + regions to compare. Must be non-zero. + + @return 0 All Length bytes of the two buffers are identical. + @retval Non-zero The first mismatched byte in SourceBuffer subtracted from the first + mismatched byte in DestinationBuffer. + +**/ +INTN +EFIAPI +InternalMemCompareMem ( + IN CONST VOID *DestinationBuffer, + IN CONST VOID *SourceBuffer, + IN UINTN Length + ); + +/** + Scans a target buffer for an 8-bit value, and returns a pointer to the + matching 8-bit value in the target buffer. + + @param Buffer The pointer to the target buffer to scan. + @param Length The count of 8-bit value to scan. Must be non-zero. + @param Value The value to search for in the target buffer. + + @return The pointer to the first occurrence, or NULL if not found. + +**/ +CONST VOID * +EFIAPI +InternalMemScanMem8 ( + IN CONST VOID *Buffer, + IN UINTN Length, + IN UINT8 Value + ); + +/** + Scans a target buffer for a 16-bit value, and returns a pointer to the + matching 16-bit value in the target buffer. + + @param Buffer The pointer to the target buffer to scan. + @param Length The count of 16-bit value to scan. Must be non-zero. + @param Value The value to search for in the target buffer. + + @return The pointer to the first occurrence, or NULL if not found. + +**/ +CONST VOID * +EFIAPI +InternalMemScanMem16 ( + IN CONST VOID *Buffer, + IN UINTN Length, + IN UINT16 Value + ); + +/** + Scans a target buffer for a 32-bit value, and returns a pointer to the + matching 32-bit value in the target buffer. + + @param Buffer The pointer to the target buffer to scan. + @param Length The count of 32-bit value to scan. Must be non-zero. + @param Value The value to search for in the target buffer. + + @return The pointer to the first occurrence, or NULL if not found. + +**/ +CONST VOID * +EFIAPI +InternalMemScanMem32 ( + IN CONST VOID *Buffer, + IN UINTN Length, + IN UINT32 Value + ); + +/** + Scans a target buffer for a 64-bit value, and returns a pointer to the + matching 64-bit value in the target buffer. + + @param Buffer The pointer to the target buffer to scan. + @param Length The count of 64-bit value to scan. Must be non-zero. + @param Value The value to search for in the target buffer. + + @return The pointer to the first occurrence, or NULL if not found. + +**/ +CONST VOID * +EFIAPI +InternalMemScanMem64 ( + IN CONST VOID *Buffer, + IN UINTN Length, + IN UINT64 Value + ); + +/** + Checks whether the contents of a buffer are all zeros. + + @param Buffer The pointer to the buffer to be checked. + @param Length The size of the buffer (in bytes) to be checked. + + @retval TRUE Contents of the buffer are all zeros. + @retval FALSE Contents of the buffer are not all zeros. + +**/ +BOOLEAN +EFIAPI +InternalMemIsZeroBuffer ( + IN CONST VOID *Buffer, + IN UINTN Length + ); + +#endif diff --git a/MdePkg/Library/BaseMemoryLibRepStr/ScanMem16Wrapper.c b/MdePkg/Library/BaseMemoryLibRepStr/ScanMem16Wrapper.c new file mode 100644 index 000000000000..c407469843c4 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/ScanMem16Wrapper.c @@ -0,0 +1,67 @@ +/** @file + ScanMem16() implementation. + + The following BaseMemoryLib instances contain the same copy of this file: + + BaseMemoryLib + BaseMemoryLibMmx + BaseMemoryLibSse2 + BaseMemoryLibRepStr + BaseMemoryLibOptDxe + BaseMemoryLibOptPei + PeiMemoryLib + UefiMemoryLib + + Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR> + 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. + +**/ + +#include "MemLibInternals.h" + +/** + Scans a target buffer for a 16-bit value, and returns a pointer to the matching 16-bit value + in the target buffer. + + This function searches the target buffer specified by Buffer and Length from the lowest + address to the highest address for a 16-bit value that matches Value. If a match is found, + then a pointer to the matching byte in the target buffer is returned. If no match is found, + then NULL is returned. If Length is 0, then NULL is returned. + + If Length > 0 and Buffer is NULL, then ASSERT(). + If Buffer is not aligned on a 16-bit boundary, then ASSERT(). + If Length is not aligned on a 16-bit boundary, then ASSERT(). + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + + @param Buffer The pointer to the target buffer to scan. + @param Length The number of bytes in Buffer to scan. + @param Value The value to search for in the target buffer. + + @return A pointer to the matching byte in the target buffer or NULL otherwise. + +**/ +VOID * +EFIAPI +ScanMem16 ( + IN CONST VOID *Buffer, + IN UINTN Length, + IN UINT16 Value + ) +{ + if (Length == 0) { + return NULL; + } + + ASSERT (Buffer != NULL); + ASSERT (((UINTN)Buffer & (sizeof (Value) - 1)) == 0); + ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN)Buffer)); + ASSERT ((Length & (sizeof (Value) - 1)) == 0); + + return (VOID*)InternalMemScanMem16 (Buffer, Length / sizeof (Value), Value); +} diff --git a/MdePkg/Library/BaseMemoryLibRepStr/ScanMem32Wrapper.c b/MdePkg/Library/BaseMemoryLibRepStr/ScanMem32Wrapper.c new file mode 100644 index 000000000000..a3243a67089c --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/ScanMem32Wrapper.c @@ -0,0 +1,66 @@ +/** @file + ScanMem32() implementation. + + The following BaseMemoryLib instances contain the same copy of this file: + BaseMemoryLib + BaseMemoryLibMmx + BaseMemoryLibSse2 + BaseMemoryLibRepStr + BaseMemoryLibOptDxe + BaseMemoryLibOptPei + PeiMemoryLib + UefiMemoryLib + + Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR> + 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. + +**/ + +#include "MemLibInternals.h" + +/** + Scans a target buffer for a 32-bit value, and returns a pointer to the matching 32-bit value + in the target buffer. + + This function searches the target buffer specified by Buffer and Length from the lowest + address to the highest address for a 32-bit value that matches Value. If a match is found, + then a pointer to the matching byte in the target buffer is returned. If no match is found, + then NULL is returned. If Length is 0, then NULL is returned. + + If Length > 0 and Buffer is NULL, then ASSERT(). + If Buffer is not aligned on a 32-bit boundary, then ASSERT(). + If Length is not aligned on a 32-bit boundary, then ASSERT(). + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + + @param Buffer The pointer to the target buffer to scan. + @param Length The number of bytes in Buffer to scan. + @param Value The value to search for in the target buffer. + + @return A pointer to the matching byte in the target buffer or NULL otherwise. + +**/ +VOID * +EFIAPI +ScanMem32 ( + IN CONST VOID *Buffer, + IN UINTN Length, + IN UINT32 Value + ) +{ + if (Length == 0) { + return NULL; + } + + ASSERT (Buffer != NULL); + ASSERT (((UINTN)Buffer & (sizeof (Value) - 1)) == 0); + ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN)Buffer)); + ASSERT ((Length & (sizeof (Value) - 1)) == 0); + + return (VOID*)InternalMemScanMem32 (Buffer, Length / sizeof (Value), Value); +} diff --git a/MdePkg/Library/BaseMemoryLibRepStr/ScanMem64Wrapper.c b/MdePkg/Library/BaseMemoryLibRepStr/ScanMem64Wrapper.c new file mode 100644 index 000000000000..10ed74d50256 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/ScanMem64Wrapper.c @@ -0,0 +1,67 @@ +/** @file + ScanMem64() implementation. + + The following BaseMemoryLib instances contain the same copy of this file: + + BaseMemoryLib + BaseMemoryLibMmx + BaseMemoryLibSse2 + BaseMemoryLibRepStr + BaseMemoryLibOptDxe + BaseMemoryLibOptPei + PeiMemoryLib + UefiMemoryLib + + Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR> + 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. + +**/ + +#include "MemLibInternals.h" + +/** + Scans a target buffer for a 64-bit value, and returns a pointer to the matching 64-bit value + in the target buffer. + + This function searches the target buffer specified by Buffer and Length from the lowest + address to the highest address for a 64-bit value that matches Value. If a match is found, + then a pointer to the matching byte in the target buffer is returned. If no match is found, + then NULL is returned. If Length is 0, then NULL is returned. + + If Length > 0 and Buffer is NULL, then ASSERT(). + If Buffer is not aligned on a 64-bit boundary, then ASSERT(). + If Length is not aligned on a 64-bit boundary, then ASSERT(). + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + + @param Buffer The pointer to the target buffer to scan. + @param Length The number of bytes in Buffer to scan. + @param Value The value to search for in the target buffer. + + @return A pointer to the matching byte in the target buffer or NULL otherwise. + +**/ +VOID * +EFIAPI +ScanMem64 ( + IN CONST VOID *Buffer, + IN UINTN Length, + IN UINT64 Value + ) +{ + if (Length == 0) { + return NULL; + } + + ASSERT (Buffer != NULL); + ASSERT (((UINTN)Buffer & (sizeof (Value) - 1)) == 0); + ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN)Buffer)); + ASSERT ((Length & (sizeof (Value) - 1)) == 0); + + return (VOID*)InternalMemScanMem64 (Buffer, Length / sizeof (Value), Value); +} diff --git a/MdePkg/Library/BaseMemoryLibRepStr/ScanMem8Wrapper.c b/MdePkg/Library/BaseMemoryLibRepStr/ScanMem8Wrapper.c new file mode 100644 index 000000000000..f296da2e7a48 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/ScanMem8Wrapper.c @@ -0,0 +1,99 @@ +/** @file + ScanMem8() and ScanMemN() implementation. + + The following BaseMemoryLib instances contain the same copy of this file: + + BaseMemoryLib + BaseMemoryLibMmx + BaseMemoryLibSse2 + BaseMemoryLibRepStr + BaseMemoryLibOptDxe + BaseMemoryLibOptPei + PeiMemoryLib + UefiMemoryLib + + Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR> + 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. + +**/ + +#include "MemLibInternals.h" + +/** + Scans a target buffer for an 8-bit value, and returns a pointer to the matching 8-bit value + in the target buffer. + + This function searches the target buffer specified by Buffer and Length from the lowest + address to the highest address for an 8-bit value that matches Value. If a match is found, + then a pointer to the matching byte in the target buffer is returned. If no match is found, + then NULL is returned. If Length is 0, then NULL is returned. + + If Length > 0 and Buffer is NULL, then ASSERT(). + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + + @param Buffer The pointer to the target buffer to scan. + @param Length The number of bytes in Buffer to scan. + @param Value The value to search for in the target buffer. + + @return A pointer to the matching byte in the target buffer or NULL otherwise. + +**/ +VOID * +EFIAPI +ScanMem8 ( + IN CONST VOID *Buffer, + IN UINTN Length, + IN UINT8 Value + ) +{ + if (Length == 0) { + return NULL; + } + ASSERT (Buffer != NULL); + ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN)Buffer)); + + return (VOID*)InternalMemScanMem8 (Buffer, Length, Value); +} + +/** + Scans a target buffer for a UINTN sized value, and returns a pointer to the matching + UINTN sized value in the target buffer. + + This function searches the target buffer specified by Buffer and Length from the lowest + address to the highest address for a UINTN sized value that matches Value. If a match is found, + then a pointer to the matching byte in the target buffer is returned. If no match is found, + then NULL is returned. If Length is 0, then NULL is returned. + + If Length > 0 and Buffer is NULL, then ASSERT(). + If Buffer is not aligned on a UINTN boundary, then ASSERT(). + If Length is not aligned on a UINTN boundary, then ASSERT(). + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + + @param Buffer The pointer to the target buffer to scan. + @param Length The number of bytes in Buffer to scan. + @param Value The value to search for in the target buffer. + + @return A pointer to the matching byte in the target buffer or NULL otherwise. + +**/ +VOID * +EFIAPI +ScanMemN ( + IN CONST VOID *Buffer, + IN UINTN Length, + IN UINTN Value + ) +{ + if (sizeof (UINTN) == sizeof (UINT64)) { + return ScanMem64 (Buffer, Length, (UINT64)Value); + } else { + return ScanMem32 (Buffer, Length, (UINT32)Value); + } +} + diff --git a/MdePkg/Library/BaseMemoryLibRepStr/SetMem16Wrapper.c b/MdePkg/Library/BaseMemoryLibRepStr/SetMem16Wrapper.c new file mode 100644 index 000000000000..8e6daa3928cc --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/SetMem16Wrapper.c @@ -0,0 +1,64 @@ +/** @file + SetMem16() implementation. + + The following BaseMemoryLib instances contain the same copy of this file: + BaseMemoryLib + BaseMemoryLibMmx + BaseMemoryLibSse2 + BaseMemoryLibRepStr + BaseMemoryLibOptDxe + BaseMemoryLibOptPei + PeiMemoryLib + UefiMemoryLib + + Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR> + 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. + +**/ + +#include "MemLibInternals.h" + +/** + Fills a target buffer with a 16-bit value, and returns the target buffer. + + This function fills Length bytes of Buffer with the 16-bit value specified by + Value, and returns Buffer. Value is repeated every 16-bits in for Length + bytes of Buffer. + + If Length > 0 and Buffer is NULL, then ASSERT(). + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + If Buffer is not aligned on a 16-bit boundary, then ASSERT(). + If Length is not aligned on a 16-bit boundary, then ASSERT(). + + @param Buffer The pointer to the target buffer to fill. + @param Length The number of bytes in Buffer to fill. + @param Value The value with which to fill Length bytes of Buffer. + + @return Buffer. + +**/ +VOID * +EFIAPI +SetMem16 ( + OUT VOID *Buffer, + IN UINTN Length, + IN UINT16 Value + ) +{ + if (Length == 0) { + return Buffer; + } + + ASSERT (Buffer != NULL); + ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN)Buffer)); + ASSERT ((((UINTN)Buffer) & (sizeof (Value) - 1)) == 0); + ASSERT ((Length & (sizeof (Value) - 1)) == 0); + + return InternalMemSetMem16 (Buffer, Length / sizeof (Value), Value); +} diff --git a/MdePkg/Library/BaseMemoryLibRepStr/SetMem32Wrapper.c b/MdePkg/Library/BaseMemoryLibRepStr/SetMem32Wrapper.c new file mode 100644 index 000000000000..7758e1f438db --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/SetMem32Wrapper.c @@ -0,0 +1,64 @@ +/** @file + SetMem32() implementation. + + The following BaseMemoryLib instances contain the same copy of this file: + BaseMemoryLib + BaseMemoryLibMmx + BaseMemoryLibSse2 + BaseMemoryLibRepStr + BaseMemoryLibOptDxe + BaseMemoryLibOptPei + PeiMemoryLib + UefiMemoryLib + + Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR> + 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. + +**/ + +#include "MemLibInternals.h" + +/** + Fills a target buffer with a 32-bit value, and returns the target buffer. + + This function fills Length bytes of Buffer with the 32-bit value specified by + Value, and returns Buffer. Value is repeated every 32-bits in for Length + bytes of Buffer. + + If Length > 0 and Buffer is NULL, then ASSERT(). + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + If Buffer is not aligned on a 32-bit boundary, then ASSERT(). + If Length is not aligned on a 32-bit boundary, then ASSERT(). + + @param Buffer The pointer to the target buffer to fill. + @param Length The number of bytes in Buffer to fill. + @param Value The value with which to fill Length bytes of Buffer. + + @return Buffer. + +**/ +VOID * +EFIAPI +SetMem32 ( + OUT VOID *Buffer, + IN UINTN Length, + IN UINT32 Value + ) +{ + if (Length == 0) { + return Buffer; + } + + ASSERT (Buffer != NULL); + ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN)Buffer)); + ASSERT ((((UINTN)Buffer) & (sizeof (Value) - 1)) == 0); + ASSERT ((Length & (sizeof (Value) - 1)) == 0); + + return InternalMemSetMem32 (Buffer, Length / sizeof (Value), Value); +} diff --git a/MdePkg/Library/BaseMemoryLibRepStr/SetMem64Wrapper.c b/MdePkg/Library/BaseMemoryLibRepStr/SetMem64Wrapper.c new file mode 100644 index 000000000000..5273a864f187 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/SetMem64Wrapper.c @@ -0,0 +1,64 @@ +/** @file + SetMem64() implementation. + + The following BaseMemoryLib instances contain the same copy of this file: + BaseMemoryLib + BaseMemoryLibMmx + BaseMemoryLibSse2 + BaseMemoryLibRepStr + BaseMemoryLibOptDxe + BaseMemoryLibOptPei + PeiMemoryLib + UefiMemoryLib + + Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR> + 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. + +**/ + +#include "MemLibInternals.h" + +/** + Fills a target buffer with a 64-bit value, and returns the target buffer. + + This function fills Length bytes of Buffer with the 64-bit value specified by + Value, and returns Buffer. Value is repeated every 64-bits in for Length + bytes of Buffer. + + If Length > 0 and Buffer is NULL, then ASSERT(). + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + If Buffer is not aligned on a 64-bit boundary, then ASSERT(). + If Length is not aligned on a 64-bit boundary, then ASSERT(). + + @param Buffer The pointer to the target buffer to fill. + @param Length The number of bytes in Buffer to fill. + @param Value The value with which to fill Length bytes of Buffer. + + @return Buffer. + +**/ +VOID * +EFIAPI +SetMem64 ( + OUT VOID *Buffer, + IN UINTN Length, + IN UINT64 Value + ) +{ + if (Length == 0) { + return Buffer; + } + + ASSERT (Buffer != NULL); + ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN)Buffer)); + ASSERT ((((UINTN)Buffer) & (sizeof (Value) - 1)) == 0); + ASSERT ((Length & (sizeof (Value) - 1)) == 0); + + return InternalMemSetMem64 (Buffer, Length / sizeof (Value), Value); +} diff --git a/MdePkg/Library/BaseMemoryLibRepStr/SetMemWrapper.c b/MdePkg/Library/BaseMemoryLibRepStr/SetMemWrapper.c new file mode 100644 index 000000000000..b6646d81fc32 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/SetMemWrapper.c @@ -0,0 +1,91 @@ +/** @file + SetMem() and SetMemN() implementation. + + The following BaseMemoryLib instances contain the same copy of this file: + + BaseMemoryLib + BaseMemoryLibMmx + BaseMemoryLibSse2 + BaseMemoryLibRepStr + BaseMemoryLibOptDxe + BaseMemoryLibOptPei + PeiMemoryLib + UefiMemoryLib + + Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR> + 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. + +**/ + +#include "MemLibInternals.h" + +/** + Fills a target buffer with a byte value, and returns the target buffer. + + This function fills Length bytes of Buffer with Value, and returns Buffer. + + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + + @param Buffer The memory to set. + @param Length The number of bytes to set. + @param Value The value with which to fill Length bytes of Buffer. + + @return Buffer. + +**/ +VOID * +EFIAPI +SetMem ( + OUT VOID *Buffer, + IN UINTN Length, + IN UINT8 Value + ) +{ + if (Length == 0) { + return Buffer; + } + + ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN)Buffer)); + + return InternalMemSetMem (Buffer, Length, Value); +} + +/** + Fills a target buffer with a value that is size UINTN, and returns the target buffer. + + This function fills Length bytes of Buffer with the UINTN sized value specified by + Value, and returns Buffer. Value is repeated every sizeof(UINTN) bytes for Length + bytes of Buffer. + + If Length > 0 and Buffer is NULL, then ASSERT(). + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + If Buffer is not aligned on a UINTN boundary, then ASSERT(). + If Length is not aligned on a UINTN boundary, then ASSERT(). + + @param Buffer The pointer to the target buffer to fill. + @param Length The number of bytes in Buffer to fill. + @param Value The value with which to fill Length bytes of Buffer. + + @return Buffer. + +**/ +VOID * +EFIAPI +SetMemN ( + OUT VOID *Buffer, + IN UINTN Length, + IN UINTN Value + ) +{ + if (sizeof (UINTN) == sizeof (UINT64)) { + return SetMem64 (Buffer, Length, (UINT64)Value); + } else { + return SetMem32 (Buffer, Length, (UINT32)Value); + } +} diff --git a/MdePkg/Library/BaseMemoryLibRepStr/X64/CompareMem.S b/MdePkg/Library/BaseMemoryLibRepStr/X64/CompareMem.S new file mode 100644 index 000000000000..435f29a2d3d7 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/X64/CompareMem.S @@ -0,0 +1,59 @@ +# +# ConvertAsm.py: Automatically generated from CompareMem.asm +# +#------------------------------------------------------------------------------ +# +# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR> +# 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.S +# +# Abstract: +# +# CompareMem function +# +# Notes: +# +# The following BaseMemoryLib instances contain the same copy of this file: +# +# BaseMemoryLibRepStr +# BaseMemoryLibMmx +# BaseMemoryLibSse2 +# BaseMemoryLibOptDxe +# BaseMemoryLibOptPei +# +#------------------------------------------------------------------------------ + + +#------------------------------------------------------------------------------ +# INTN +# EFIAPI +# InternalMemCompareMem ( +# IN CONST VOID *DestinationBuffer, +# IN CONST VOID *SourceBuffer, +# IN UINTN Length +# ); +#------------------------------------------------------------------------------ +ASM_GLOBAL ASM_PFX(InternalMemCompareMem) +ASM_PFX(InternalMemCompareMem): + pushq %rsi + pushq %rdi + movq %rcx, %rsi + movq %rdx, %rdi + movq %r8, %rcx + repe cmpsb + movzbq -1(%rsi) , %rax + movzbq -1(%rdi) , %rdx + subq %rdx, %rax + popq %rdi + popq %rsi + ret + diff --git a/MdePkg/Library/BaseMemoryLibRepStr/X64/CompareMem.asm b/MdePkg/Library/BaseMemoryLibRepStr/X64/CompareMem.asm new file mode 100644 index 000000000000..09f077b85df8 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/X64/CompareMem.asm @@ -0,0 +1,54 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR> +; 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 contain the same copy of this file: +; +; BaseMemoryLibRepStr +; BaseMemoryLibMmx +; BaseMemoryLibSse2 +; BaseMemoryLibOptDxe +; BaseMemoryLibOptPei +; +;------------------------------------------------------------------------------ + + .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 + 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/CompareMem.nasm b/MdePkg/Library/BaseMemoryLibRepStr/X64/CompareMem.nasm new file mode 100644 index 000000000000..cb0d88658387 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/X64/CompareMem.nasm @@ -0,0 +1,58 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR> +; 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 contain the same copy of this file: +; +; BaseMemoryLibRepStr +; BaseMemoryLibMmx +; BaseMemoryLibSse2 +; BaseMemoryLibOptDxe +; BaseMemoryLibOptPei +; +;------------------------------------------------------------------------------ + + DEFAULT REL + SECTION .text + +;------------------------------------------------------------------------------ +; INTN +; EFIAPI +; InternalMemCompareMem ( +; IN CONST VOID *DestinationBuffer, +; IN CONST VOID *SourceBuffer, +; IN UINTN Length +; ); +;------------------------------------------------------------------------------ +global ASM_PFX(InternalMemCompareMem) +ASM_PFX(InternalMemCompareMem): + push rsi + push rdi + mov rsi, rcx + mov rdi, rdx + mov rcx, r8 + repe cmpsb + movzx rax, byte [rsi - 1] + movzx rdx, byte [rdi - 1] + sub rax, rdx + pop rdi + pop rsi + ret + diff --git a/MdePkg/Library/BaseMemoryLibRepStr/X64/CopyMem.S b/MdePkg/Library/BaseMemoryLibRepStr/X64/CopyMem.S new file mode 100644 index 000000000000..73f5964739f0 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/X64/CopyMem.S @@ -0,0 +1,66 @@ +# +# ConvertAsm.py: Automatically generated from CopyMem.asm +# +#------------------------------------------------------------------------------ +# +# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR> +# 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.S +# +# Abstract: +# +# CopyMem function +# +# Notes: +# +#------------------------------------------------------------------------------ + + +#------------------------------------------------------------------------------ +# VOID * +# EFIAPI +# InternalMemCopyMem ( +# IN VOID *Destination, +# IN VOID *Source, +# IN UINTN Count +# ) +#------------------------------------------------------------------------------ +ASM_GLOBAL ASM_PFX(InternalMemCopyMem) +ASM_PFX(InternalMemCopyMem): + pushq %rsi + pushq %rdi + movq %rdx, %rsi # rsi <- Source + movq %rcx, %rdi # rdi <- Destination + leaq -1(%rsi, %r8,), %r9 # r9 <- End of Source + cmpq %rdi, %rsi + movq %rdi, %rax # rax <- Destination as return value + jae L0 + cmpq %rdi, %r9 + jae L_CopyBackward # Copy backward if overlapped +L0: + movq %r8, %rcx + andq $7, %r8 + shrq $3, %rcx + rep movsq # Copy as many Qwords as possible + jmp L_CopyBytes +L_CopyBackward: + movq %r9, %rsi # rsi <- End of Source + leaq -1(%rdi, %r8), %rdi # esi <- End of Destination + std # set direction flag +L_CopyBytes: + movq %r8, %rcx + rep movsb # Copy bytes backward + cld + popq %rdi + popq %rsi + ret + diff --git a/MdePkg/Library/BaseMemoryLibRepStr/X64/CopyMem.asm b/MdePkg/Library/BaseMemoryLibRepStr/X64/CopyMem.asm new file mode 100644 index 000000000000..8f5b0e34ee2a --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/X64/CopyMem.asm @@ -0,0 +1,61 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR> +; 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 + +;------------------------------------------------------------------------------ +; VOID * +; 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, [rsi + r8 - 1] ; r9 <- End of Source + cmp rsi, rdi + mov rax, rdi ; rax <- Destination as return value + jae @F + cmp r9, rdi + 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 rsi, r9 ; rsi <- End of Source + lea rdi, [rdi + r8 - 1] ; esi <- End of Destination + 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/CopyMem.nasm b/MdePkg/Library/BaseMemoryLibRepStr/X64/CopyMem.nasm new file mode 100644 index 000000000000..b30412399cf9 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/X64/CopyMem.nasm @@ -0,0 +1,65 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR> +; 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: +; +;------------------------------------------------------------------------------ + + DEFAULT REL + SECTION .text + +;------------------------------------------------------------------------------ +; VOID * +; EFIAPI +; InternalMemCopyMem ( +; IN VOID *Destination, +; IN VOID *Source, +; IN UINTN Count +; ) +;------------------------------------------------------------------------------ +global ASM_PFX(InternalMemCopyMem) +ASM_PFX(InternalMemCopyMem): + push rsi + push rdi + mov rsi, rdx ; rsi <- Source + mov rdi, rcx ; rdi <- Destination + lea r9, [rsi + r8 - 1] ; r9 <- End of Source + cmp rsi, rdi + mov rax, rdi ; rax <- Destination as return value + jae .0 + cmp r9, rdi + jae @CopyBackward ; Copy backward if overlapped +.0: + mov rcx, r8 + and r8, 7 + shr rcx, 3 + rep movsq ; Copy as many Qwords as possible + jmp @CopyBytes +@CopyBackward: + mov rsi, r9 ; rsi <- End of Source + lea rdi, [rdi + r8 - 1] ; esi <- End of Destination + std ; set direction flag +@CopyBytes: + mov rcx, r8 + rep movsb ; Copy bytes backward + cld + pop rdi + pop rsi + ret + diff --git a/MdePkg/Library/BaseMemoryLibRepStr/X64/IsZeroBuffer.nasm b/MdePkg/Library/BaseMemoryLibRepStr/X64/IsZeroBuffer.nasm new file mode 100644 index 000000000000..3b855a7bf4a6 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/X64/IsZeroBuffer.nasm @@ -0,0 +1,55 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2016, Intel Corporation. All rights reserved.<BR> +; 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: +; +; IsZeroBuffer.nasm +; +; Abstract: +; +; IsZeroBuffer function +; +; Notes: +; +;------------------------------------------------------------------------------ + + DEFAULT REL + SECTION .text + +;------------------------------------------------------------------------------ +; BOOLEAN +; EFIAPI +; InternalMemIsZeroBuffer ( +; IN CONST VOID *Buffer, +; IN UINTN Length +; ); +;------------------------------------------------------------------------------ +global ASM_PFX(InternalMemIsZeroBuffer) +ASM_PFX(InternalMemIsZeroBuffer): + push rdi + mov rdi, rcx ; rdi <- Buffer + mov rcx, rdx ; rcx <- Length + shr rcx, 3 ; rcx <- number of qwords + and rdx, 7 ; rdx <- number of trailing bytes + xor rax, rax ; rax <- 0, also set ZF + repe scasq + jnz @ReturnFalse ; ZF=0 means non-zero element found + mov rcx, rdx + repe scasb + jnz @ReturnFalse + pop rdi + mov rax, 1 ; return TRUE + ret +@ReturnFalse: + pop rdi + xor rax, rax + ret ; return FALSE + diff --git a/MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem16.S b/MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem16.S new file mode 100644 index 000000000000..5bdf2473a640 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem16.S @@ -0,0 +1,56 @@ +# +# ConvertAsm.py: Automatically generated from ScanMem16.asm +# +#------------------------------------------------------------------------------ +# +# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR> +# 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.S +# +# Abstract: +# +# ScanMem16 function +# +# Notes: +# +# The following BaseMemoryLib instances contain the same copy of this file: +# +# BaseMemoryLibRepStr +# BaseMemoryLibMmx +# BaseMemoryLibSse2 +# BaseMemoryLibOptDxe +# BaseMemoryLibOptPei +# +#------------------------------------------------------------------------------ + + +#------------------------------------------------------------------------------ +# CONST VOID * +# EFIAPI +# InternalMemScanMem16 ( +# IN CONST VOID *Buffer, +# IN UINTN Length, +# IN UINT16 Value +# ); +#------------------------------------------------------------------------------ +ASM_GLOBAL ASM_PFX(InternalMemScanMem16) +ASM_PFX(InternalMemScanMem16): + pushq %rdi + movq %rcx, %rdi + movq %rdx, %rcx + movq %r8, %rax + repne scasw + leaq -2(%rdi), %rax + cmovnz %rcx, %rax # set rax to 0 if not found + popq %rdi + ret + diff --git a/MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem16.asm b/MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem16.asm new file mode 100644 index 000000000000..75200414d1c1 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem16.asm @@ -0,0 +1,53 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR> +; 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 contain the same copy of this file: +; +; BaseMemoryLibRepStr +; BaseMemoryLibMmx +; BaseMemoryLibSse2 +; BaseMemoryLibOptDxe +; BaseMemoryLibOptPei +; +;------------------------------------------------------------------------------ + + .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 + mov rcx, rdx + repne scasw + lea rax, [rdi - 2] + cmovnz rax, rcx + ret +InternalMemScanMem16 ENDP + + END diff --git a/MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem16.nasm b/MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem16.nasm new file mode 100644 index 000000000000..9f0de63ea655 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem16.nasm @@ -0,0 +1,55 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR> +; 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 contain the same copy of this file: +; +; BaseMemoryLibRepStr +; BaseMemoryLibMmx +; BaseMemoryLibSse2 +; BaseMemoryLibOptDxe +; BaseMemoryLibOptPei +; +;------------------------------------------------------------------------------ + + DEFAULT REL + SECTION .text + +;------------------------------------------------------------------------------ +; CONST VOID * +; EFIAPI +; InternalMemScanMem16 ( +; IN CONST VOID *Buffer, +; IN UINTN Length, +; IN UINT16 Value +; ); +;------------------------------------------------------------------------------ +global ASM_PFX(InternalMemScanMem16) +ASM_PFX(InternalMemScanMem16): + push rdi + mov rdi, rcx + mov rax, r8 + mov rcx, rdx + repne scasw + lea rax, [rdi - 2] + cmovnz rax, rcx + pop rdi + ret + diff --git a/MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem32.S b/MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem32.S new file mode 100644 index 000000000000..2aac851ae9e0 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem32.S @@ -0,0 +1,56 @@ +# +# ConvertAsm.py: Automatically generated from ScanMem32.asm +# +#------------------------------------------------------------------------------ +# +# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR> +# 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.S +# +# Abstract: +# +# ScanMem32 function +# +# Notes: +# +# The following BaseMemoryLib instances contain the same copy of this file: +# +# BaseMemoryLibRepStr +# BaseMemoryLibMmx +# BaseMemoryLibSse2 +# BaseMemoryLibOptDxe +# BaseMemoryLibOptPei +# +#------------------------------------------------------------------------------ + + +#------------------------------------------------------------------------------ +# CONST VOID * +# EFIAPI +# InternalMemScanMem32 ( +# IN CONST VOID *Buffer, +# IN UINTN Length, +# IN UINT32 Value +# ); +#------------------------------------------------------------------------------ +ASM_GLOBAL ASM_PFX(InternalMemScanMem32) +ASM_PFX(InternalMemScanMem32): + pushq %rdi + movq %rcx, %rdi + movq %rdx, %rcx + movq %r8, %rax + repne scasl + leaq -4(%rdi), %rax + cmovnz %rcx, %rax # set rax to 0 if not found + popq %rdi + ret + diff --git a/MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem32.asm b/MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem32.asm new file mode 100644 index 000000000000..ad47e5a53a13 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem32.asm @@ -0,0 +1,53 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR> +; 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 contain the same copy of this file: +; +; BaseMemoryLibRepStr +; BaseMemoryLibMmx +; BaseMemoryLibSse2 +; BaseMemoryLibOptDxe +; BaseMemoryLibOptPei +; +;------------------------------------------------------------------------------ + + .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 + mov rcx, rdx + repne scasd + lea rax, [rdi - 4] + cmovnz rax, rcx + ret +InternalMemScanMem32 ENDP + + END diff --git a/MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem32.nasm b/MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem32.nasm new file mode 100644 index 000000000000..5c9ae5d08389 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem32.nasm @@ -0,0 +1,55 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR> +; 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 contain the same copy of this file: +; +; BaseMemoryLibRepStr +; BaseMemoryLibMmx +; BaseMemoryLibSse2 +; BaseMemoryLibOptDxe +; BaseMemoryLibOptPei +; +;------------------------------------------------------------------------------ + + DEFAULT REL + SECTION .text + +;------------------------------------------------------------------------------ +; CONST VOID * +; EFIAPI +; InternalMemScanMem32 ( +; IN CONST VOID *Buffer, +; IN UINTN Length, +; IN UINT32 Value +; ); +;------------------------------------------------------------------------------ +global ASM_PFX(InternalMemScanMem32) +ASM_PFX(InternalMemScanMem32): + push rdi + mov rdi, rcx + mov rax, r8 + mov rcx, rdx + repne scasd + lea rax, [rdi - 4] + cmovnz rax, rcx + pop rdi + ret + diff --git a/MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem64.S b/MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem64.S new file mode 100644 index 000000000000..21f0590455cf --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem64.S @@ -0,0 +1,56 @@ +# +# ConvertAsm.py: Automatically generated from ScanMem64.asm +# +#------------------------------------------------------------------------------ +# +# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR> +# 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.S +# +# Abstract: +# +# ScanMem64 function +# +# Notes: +# +# The following BaseMemoryLib instances contain the same copy of this file: +# +# BaseMemoryLibRepStr +# BaseMemoryLibMmx +# BaseMemoryLibSse2 +# BaseMemoryLibOptDxe +# BaseMemoryLibOptPei +# +#------------------------------------------------------------------------------ + + +#------------------------------------------------------------------------------ +# CONST VOID * +# EFIAPI +# InternalMemScanMem64 ( +# IN CONST VOID *Buffer, +# IN UINTN Length, +# IN UINT64 Value +# ); +#------------------------------------------------------------------------------ +ASM_GLOBAL ASM_PFX(InternalMemScanMem64) +ASM_PFX(InternalMemScanMem64): + pushq %rdi + movq %rcx, %rdi + movq %rdx, %rcx + movq %r8, %rax + repne scasq + leaq -8(%rdi), %rax + cmovnz %rcx, %rax # set rax to 0 if not found + popq %rdi + ret + diff --git a/MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem64.asm b/MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem64.asm new file mode 100644 index 000000000000..3eb5b719fa07 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem64.asm @@ -0,0 +1,53 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR> +; 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 contain the same copy of this file: +; +; BaseMemoryLibRepStr +; BaseMemoryLibMmx +; BaseMemoryLibSse2 +; BaseMemoryLibOptDxe +; BaseMemoryLibOptPei +; +;------------------------------------------------------------------------------ + + .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 + mov rcx, rdx + repne scasq + lea rax, [rdi - 8] + cmovnz rax, rcx + ret +InternalMemScanMem64 ENDP + + END diff --git a/MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem64.nasm b/MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem64.nasm new file mode 100644 index 000000000000..b98c6dece330 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem64.nasm @@ -0,0 +1,55 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR> +; 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 contain the same copy of this file: +; +; BaseMemoryLibRepStr +; BaseMemoryLibMmx +; BaseMemoryLibSse2 +; BaseMemoryLibOptDxe +; BaseMemoryLibOptPei +; +;------------------------------------------------------------------------------ + + DEFAULT REL + SECTION .text + +;------------------------------------------------------------------------------ +; CONST VOID * +; EFIAPI +; InternalMemScanMem64 ( +; IN CONST VOID *Buffer, +; IN UINTN Length, +; IN UINT64 Value +; ); +;------------------------------------------------------------------------------ +global ASM_PFX(InternalMemScanMem64) +ASM_PFX(InternalMemScanMem64): + push rdi + mov rdi, rcx + mov rax, r8 + mov rcx, rdx + repne scasq + lea rax, [rdi - 8] + cmovnz rax, rcx + pop rdi + ret + diff --git a/MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem8.S b/MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem8.S new file mode 100644 index 000000000000..5209983eb87c --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem8.S @@ -0,0 +1,56 @@ +# +# ConvertAsm.py: Automatically generated from ScanMem8.asm +# +#------------------------------------------------------------------------------ +# +# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR> +# 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.S +# +# Abstract: +# +# ScanMem8 function +# +# Notes: +# +# The following BaseMemoryLib instances contain the same copy of this file: +# +# BaseMemoryLibRepStr +# BaseMemoryLibMmx +# BaseMemoryLibSse2 +# BaseMemoryLibOptDxe +# BaseMemoryLibOptPei +# +#------------------------------------------------------------------------------ + + +#------------------------------------------------------------------------------ +# CONST VOID * +# EFIAPI +# InternalMemScanMem8 ( +# IN CONST VOID *Buffer, +# IN UINTN Length, +# IN UINT8 Value +# ); +#------------------------------------------------------------------------------ +ASM_GLOBAL ASM_PFX(InternalMemScanMem8) +ASM_PFX(InternalMemScanMem8): + pushq %rdi + movq %rcx, %rdi + movq %rdx, %rcx + movq %r8, %rax + repne scasb + leaq -1(%rdi), %rax + cmovnz %rcx, %rax # set rax to 0 if not found + popq %rdi + ret + diff --git a/MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem8.asm b/MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem8.asm new file mode 100644 index 000000000000..8ece85e5b4a2 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem8.asm @@ -0,0 +1,53 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR> +; 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 contain the same copy of this file: +; +; BaseMemoryLibRepStr +; BaseMemoryLibMmx +; BaseMemoryLibSse2 +; BaseMemoryLibOptDxe +; BaseMemoryLibOptPei +; +;------------------------------------------------------------------------------ + + .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 + 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/ScanMem8.nasm b/MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem8.nasm new file mode 100644 index 000000000000..8499795a1d7e --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem8.nasm @@ -0,0 +1,55 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR> +; 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 contain the same copy of this file: +; +; BaseMemoryLibRepStr +; BaseMemoryLibMmx +; BaseMemoryLibSse2 +; BaseMemoryLibOptDxe +; BaseMemoryLibOptPei +; +;------------------------------------------------------------------------------ + + DEFAULT REL + SECTION .text + +;------------------------------------------------------------------------------ +; CONST VOID * +; EFIAPI +; InternalMemScanMem8 ( +; IN CONST VOID *Buffer, +; IN UINTN Length, +; IN UINT8 Value +; ); +;------------------------------------------------------------------------------ +global ASM_PFX(InternalMemScanMem8) +ASM_PFX(InternalMemScanMem8): + push 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 + pop rdi + ret + diff --git a/MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem.S b/MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem.S new file mode 100644 index 000000000000..059bb665d6d0 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem.S @@ -0,0 +1,47 @@ +# +# ConvertAsm.py: Automatically generated from SetMem.asm +# +#------------------------------------------------------------------------------ +# +# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR> +# 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.S +# +# Abstract: +# +# SetMem function +# +# Notes: +# +#------------------------------------------------------------------------------ + + +#------------------------------------------------------------------------------ +# VOID * +# EFIAPI +# InternalMemSetMem ( +# IN VOID *Buffer, +# IN UINTN Count, +# IN UINT8 Value +# ) +#------------------------------------------------------------------------------ +ASM_GLOBAL ASM_PFX(InternalMemSetMem) +ASM_PFX(InternalMemSetMem): + pushq %rdi + movq %r8, %rax # rax = Value + movq %rcx, %rdi # rdi = Buffer + xchgq %rdx, %rcx # rcx = Count, rdx = Buffer + rep stosb + movq %rdx, %rax # rax = Buffer + popq %rdi + ret + diff --git a/MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem.asm b/MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem.asm new file mode 100644 index 000000000000..b95f3234c9a4 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem.asm @@ -0,0 +1,44 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR> +; 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 + +;------------------------------------------------------------------------------ +; VOID * +; EFIAPI +; InternalMemSetMem ( +; IN VOID *Buffer, +; IN UINTN Count, +; IN UINT8 Value +; ) +;------------------------------------------------------------------------------ +InternalMemSetMem PROC USES rdi + mov rax, r8 ; rax = Value + mov rdi, rcx ; rdi = Buffer + xchg rcx, rdx ; rcx = Count, rdx = Buffer + rep stosb + mov rax, rdx ; rax = Buffer + ret +InternalMemSetMem ENDP + + END diff --git a/MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem.nasm b/MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem.nasm new file mode 100644 index 000000000000..e80f671adbd4 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem.nasm @@ -0,0 +1,46 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR> +; 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: +; +;------------------------------------------------------------------------------ + + DEFAULT REL + SECTION .text + +;------------------------------------------------------------------------------ +; VOID * +; EFIAPI +; InternalMemSetMem ( +; IN VOID *Buffer, +; IN UINTN Count, +; IN UINT8 Value +; ) +;------------------------------------------------------------------------------ +global ASM_PFX(InternalMemSetMem) +ASM_PFX(InternalMemSetMem): + push rdi + mov rax, r8 ; rax = Value + mov rdi, rcx ; rdi = Buffer + xchg rcx, rdx ; rcx = Count, rdx = Buffer + rep stosb + mov rax, rdx ; rax = Buffer + pop rdi + ret + diff --git a/MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem16.S b/MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem16.S new file mode 100644 index 000000000000..3434e8656702 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem16.S @@ -0,0 +1,47 @@ +# +# ConvertAsm.py: Automatically generated from SetMem16.asm +# +#------------------------------------------------------------------------------ +# +# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR> +# 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.S +# +# Abstract: +# +# SetMem16 function +# +# Notes: +# +#------------------------------------------------------------------------------ + + +#------------------------------------------------------------------------------ +# VOID * +# EFIAPI +# InternalMemSetMem16 ( +# IN VOID *Buffer, +# IN UINTN Count, +# IN UINT16 Value +# ) +#------------------------------------------------------------------------------ +ASM_GLOBAL ASM_PFX(InternalMemSetMem16) +ASM_PFX(InternalMemSetMem16): + pushq %rdi + movq %rcx, %rdi + movq %r8, %rax + xchgq %rdx, %rcx + rep stosw + movq %rdx, %rax + popq %rdi + ret + diff --git a/MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem16.asm b/MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem16.asm new file mode 100644 index 000000000000..7688e6e02c0c --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem16.asm @@ -0,0 +1,44 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR> +; 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 + +;------------------------------------------------------------------------------ +; VOID * +; EFIAPI +; InternalMemSetMem16 ( +; IN VOID *Buffer, +; IN UINTN Count, +; IN UINT16 Value +; ) +;------------------------------------------------------------------------------ +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/SetMem16.nasm b/MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem16.nasm new file mode 100644 index 000000000000..d9c0e5403413 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem16.nasm @@ -0,0 +1,46 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR> +; 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: +; +;------------------------------------------------------------------------------ + + DEFAULT REL + SECTION .text + +;------------------------------------------------------------------------------ +; VOID * +; EFIAPI +; InternalMemSetMem16 ( +; IN VOID *Buffer, +; IN UINTN Count, +; IN UINT16 Value +; ) +;------------------------------------------------------------------------------ +global ASM_PFX(InternalMemSetMem16) +ASM_PFX(InternalMemSetMem16): + push rdi + mov rdi, rcx + mov rax, r8 + xchg rcx, rdx + rep stosw + mov rax, rdx + pop rdi + ret + diff --git a/MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem32.S b/MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem32.S new file mode 100644 index 000000000000..7dba067a5065 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem32.S @@ -0,0 +1,47 @@ +# +# ConvertAsm.py: Automatically generated from SetMem32.asm +# +#------------------------------------------------------------------------------ +# +# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR> +# 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.S +# +# Abstract: +# +# SetMem32 function +# +# Notes: +# +#------------------------------------------------------------------------------ + + +#------------------------------------------------------------------------------ +# VOID * +# EFIAPI +# InternalMemSetMem32 ( +# IN VOID *Buffer, +# IN UINTN Count, +# IN UINT32 Value +# ); +#------------------------------------------------------------------------------ +ASM_GLOBAL ASM_PFX(InternalMemSetMem32) +ASM_PFX(InternalMemSetMem32): + pushq %rdi + movq %rcx, %rdi + movq %r8, %rax + xchgq %rdx, %rcx + rep stosl + movq %rdx, %rax + popq %rdi + ret + diff --git a/MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem32.asm b/MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem32.asm new file mode 100644 index 000000000000..1d739b24b354 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem32.asm @@ -0,0 +1,44 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR> +; 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 + +;------------------------------------------------------------------------------ +; VOID * +; EFIAPI +; InternalMemSetMem32 ( +; IN VOID *Buffer, +; IN UINTN Count, +; IN UINT32 Value +; ); +;------------------------------------------------------------------------------ +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/SetMem32.nasm b/MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem32.nasm new file mode 100644 index 000000000000..4da3d33a17d1 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem32.nasm @@ -0,0 +1,46 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR> +; 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: +; +;------------------------------------------------------------------------------ + + DEFAULT REL + SECTION .text + +;------------------------------------------------------------------------------ +; VOID * +; EFIAPI +; InternalMemSetMem32 ( +; IN VOID *Buffer, +; IN UINTN Count, +; IN UINT32 Value +; ); +;------------------------------------------------------------------------------ +global ASM_PFX(InternalMemSetMem32) +ASM_PFX(InternalMemSetMem32): + push rdi + mov rdi, rcx + mov rax, r8 + xchg rcx, rdx + rep stosd + mov rax, rdx + pop rdi + ret + diff --git a/MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem64.S b/MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem64.S new file mode 100644 index 000000000000..ad28243ea725 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem64.S @@ -0,0 +1,46 @@ +# +# ConvertAsm.py: Automatically generated from SetMem64.asm +# +#------------------------------------------------------------------------------ +# +# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR> +# 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.S +# +# Abstract: +# +# SetMem64 function +# +# Notes: +# +#------------------------------------------------------------------------------ + + +#------------------------------------------------------------------------------ +# VOID * +# InternalMemSetMem64 ( +# IN VOID *Buffer, +# IN UINTN Count, +# IN UINT64 Value +# ) +#------------------------------------------------------------------------------ +ASM_GLOBAL ASM_PFX(InternalMemSetMem64) +ASM_PFX(InternalMemSetMem64): + pushq %rdi + movq %rcx, %rdi + movq %r8, %rax + xchgq %rdx, %rcx + rep stosq + movq %rdx, %rax + popq %rdi + ret + diff --git a/MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem64.asm b/MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem64.asm new file mode 100644 index 000000000000..e249aa38ac30 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem64.asm @@ -0,0 +1,43 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR> +; 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 + +;------------------------------------------------------------------------------ +; VOID * +; InternalMemSetMem64 ( +; IN VOID *Buffer, +; IN UINTN Count, +; IN UINT64 Value +; ) +;------------------------------------------------------------------------------ +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/SetMem64.nasm b/MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem64.nasm new file mode 100644 index 000000000000..6f364d3a0c37 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem64.nasm @@ -0,0 +1,45 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR> +; 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: +; +;------------------------------------------------------------------------------ + + DEFAULT REL + SECTION .text + +;------------------------------------------------------------------------------ +; VOID * +; InternalMemSetMem64 ( +; IN VOID *Buffer, +; IN UINTN Count, +; IN UINT64 Value +; ) +;------------------------------------------------------------------------------ +global ASM_PFX(InternalMemSetMem64) +ASM_PFX(InternalMemSetMem64): + push rdi + mov rdi, rcx + mov rax, r8 + xchg rcx, rdx + rep stosq + mov rax, rdx + pop rdi + ret + diff --git a/MdePkg/Library/BaseMemoryLibRepStr/X64/ZeroMem.S b/MdePkg/Library/BaseMemoryLibRepStr/X64/ZeroMem.S new file mode 100644 index 000000000000..e5cb07469e3a --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/X64/ZeroMem.S @@ -0,0 +1,50 @@ +# +# ConvertAsm.py: Automatically generated from ZeroMem.asm +# +#------------------------------------------------------------------------------ +# +# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR> +# 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.S +# +# Abstract: +# +# ZeroMem function +# +# Notes: +# +#------------------------------------------------------------------------------ + + +#------------------------------------------------------------------------------ +# VOID * +# InternalMemZeroMem ( +# IN VOID *Buffer, +# IN UINTN Count +# ); +#------------------------------------------------------------------------------ +ASM_GLOBAL ASM_PFX(InternalMemZeroMem) +ASM_PFX(InternalMemZeroMem): + pushq %rdi + pushq %rcx + xorq %rax, %rax + movq %rcx, %rdi + movq %rdx, %rcx + shrq $3, %rcx + andq $7, %rdx + rep stosq + movl %edx, %ecx + rep stosb + popq %rax + popq %rdi + ret + diff --git a/MdePkg/Library/BaseMemoryLibRepStr/X64/ZeroMem.asm b/MdePkg/Library/BaseMemoryLibRepStr/X64/ZeroMem.asm new file mode 100644 index 000000000000..52942446805e --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/X64/ZeroMem.asm @@ -0,0 +1,47 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR> +; 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 + +;------------------------------------------------------------------------------ +; VOID * +; InternalMemZeroMem ( +; IN VOID *Buffer, +; IN UINTN Count +; ); +;------------------------------------------------------------------------------ +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 diff --git a/MdePkg/Library/BaseMemoryLibRepStr/X64/ZeroMem.nasm b/MdePkg/Library/BaseMemoryLibRepStr/X64/ZeroMem.nasm new file mode 100644 index 000000000000..8e0a5e4ff240 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/X64/ZeroMem.nasm @@ -0,0 +1,49 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR> +; 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: +; +;------------------------------------------------------------------------------ + + DEFAULT REL + SECTION .text + +;------------------------------------------------------------------------------ +; VOID * +; InternalMemZeroMem ( +; IN VOID *Buffer, +; IN UINTN Count +; ); +;------------------------------------------------------------------------------ +global ASM_PFX(InternalMemZeroMem) +ASM_PFX(InternalMemZeroMem): + push 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 + pop rdi + ret + diff --git a/MdePkg/Library/BaseMemoryLibRepStr/ZeroMemWrapper.c b/MdePkg/Library/BaseMemoryLibRepStr/ZeroMemWrapper.c new file mode 100644 index 000000000000..067c7af84819 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/ZeroMemWrapper.c @@ -0,0 +1,56 @@ +/** @file + ZeroMem() implementation. + + The following BaseMemoryLib instances contain the same copy of this file: + + BaseMemoryLib + BaseMemoryLibMmx + BaseMemoryLibSse2 + BaseMemoryLibRepStr + BaseMemoryLibOptDxe + BaseMemoryLibOptPei + PeiMemoryLib + UefiMemoryLib + + Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR> + 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. + +**/ + +#include "MemLibInternals.h" + +/** + Fills a target buffer with zeros, and returns the target buffer. + + This function fills Length bytes of Buffer with zeros, and returns Buffer. + + If Length > 0 and Buffer is NULL, then ASSERT(). + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + + @param Buffer The pointer to the target buffer to fill with zeros. + @param Length The number of bytes in Buffer to fill with zeros. + + @return Buffer. + +**/ +VOID * +EFIAPI +ZeroMem ( + OUT VOID *Buffer, + IN UINTN Length + ) +{ + if (Length == 0) { + return Buffer; + } + + ASSERT (Buffer != NULL); + ASSERT (Length <= (MAX_ADDRESS - (UINTN)Buffer + 1)); + return InternalMemZeroMem (Buffer, Length); +} |