From c5ecf6c197a7105f2a5d09ddf5ff4a78090584c7 Mon Sep 17 00:00:00 2001 From: yshang1 Date: Mon, 23 Jul 2007 09:54:31 +0000 Subject: [PATCH] Import BaseMemoryLibMmx. git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3407 6f19259b-4bc3-4df7-8a09-765794883524 --- .../BaseMemoryLibMmx/BaseMemoryLibMmx.inf | 89 +++++++ .../BaseMemoryLibMmx/BaseMemoryLibMmx.msa | 91 +++++++ .../BaseMemoryLibMmx/CompareMemWrapper.c | 67 +++++ .../Library/BaseMemoryLibMmx/CopyMemWrapper.c | 62 +++++ .../BaseMemoryLibMmx/Ia32/CompareMem.S | 53 ++++ .../BaseMemoryLibMmx/Ia32/CompareMem.asm | 54 ++++ .../Library/BaseMemoryLibMmx/Ia32/CopyMem.S | 86 +++++++ .../Library/BaseMemoryLibMmx/Ia32/CopyMem.asm | 77 ++++++ .../Library/BaseMemoryLibMmx/Ia32/ScanMem16.S | 50 ++++ .../BaseMemoryLibMmx/Ia32/ScanMem16.asm | 53 ++++ .../Library/BaseMemoryLibMmx/Ia32/ScanMem32.S | 50 ++++ .../BaseMemoryLibMmx/Ia32/ScanMem32.asm | 53 ++++ .../Library/BaseMemoryLibMmx/Ia32/ScanMem64.S | 59 +++++ .../BaseMemoryLibMmx/Ia32/ScanMem64.asm | 62 +++++ .../Library/BaseMemoryLibMmx/Ia32/ScanMem8.S | 50 ++++ .../BaseMemoryLibMmx/Ia32/ScanMem8.asm | 53 ++++ MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem.S | 66 +++++ .../Library/BaseMemoryLibMmx/Ia32/SetMem.asm | 70 ++++++ .../Library/BaseMemoryLibMmx/Ia32/SetMem16.S | 59 +++++ .../BaseMemoryLibMmx/Ia32/SetMem16.asm | 63 +++++ .../Library/BaseMemoryLibMmx/Ia32/SetMem32.S | 52 ++++ .../BaseMemoryLibMmx/Ia32/SetMem32.asm | 59 +++++ .../Library/BaseMemoryLibMmx/Ia32/SetMem64.S | 43 ++++ .../BaseMemoryLibMmx/Ia32/SetMem64.asm | 50 ++++ .../Library/BaseMemoryLibMmx/Ia32/ZeroMem.S | 54 ++++ .../Library/BaseMemoryLibMmx/Ia32/ZeroMem.asm | 56 +++++ MdePkg/Library/BaseMemoryLibMmx/MemLibGuid.c | 139 +++++++++++ .../BaseMemoryLibMmx/MemLibInternals.h | 234 ++++++++++++++++++ .../BaseMemoryLibMmx/ScanMem16Wrapper.c | 66 +++++ .../BaseMemoryLibMmx/ScanMem32Wrapper.c | 66 +++++ .../BaseMemoryLibMmx/ScanMem64Wrapper.c | 66 +++++ .../BaseMemoryLibMmx/ScanMem8Wrapper.c | 61 +++++ .../BaseMemoryLibMmx/SetMem16Wrapper.c | 65 +++++ .../BaseMemoryLibMmx/SetMem32Wrapper.c | 65 +++++ .../BaseMemoryLibMmx/SetMem64Wrapper.c | 65 +++++ .../Library/BaseMemoryLibMmx/SetMemWrapper.c | 56 +++++ .../Library/BaseMemoryLibMmx/X64/CompareMem.S | 52 ++++ .../BaseMemoryLibMmx/X64/CompareMem.asm | 52 ++++ MdePkg/Library/BaseMemoryLibMmx/X64/CopyMem.S | 72 ++++++ .../Library/BaseMemoryLibMmx/X64/CopyMem.asm | 70 ++++++ .../BaseMemoryLibMmx/X64/ScanMem16.asm | 51 ++++ .../BaseMemoryLibMmx/X64/ScanMem32.asm | 51 ++++ .../BaseMemoryLibMmx/X64/ScanMem64.asm | 51 ++++ .../Library/BaseMemoryLibMmx/X64/ScanMem8.asm | 51 ++++ .../Library/BaseMemoryLibMmx/X64/SetMem.asm | 58 +++++ .../Library/BaseMemoryLibMmx/X64/SetMem16.asm | 57 +++++ .../Library/BaseMemoryLibMmx/X64/SetMem32.asm | 53 ++++ .../Library/BaseMemoryLibMmx/X64/SetMem64.asm | 46 ++++ .../Library/BaseMemoryLibMmx/X64/ZeroMem.asm | 54 ++++ .../Library/BaseMemoryLibMmx/ZeroMemWrapper.c | 51 ++++ MdePkg/MdePkg.dsc | 2 + 51 files changed, 3235 insertions(+) create mode 100644 MdePkg/Library/BaseMemoryLibMmx/BaseMemoryLibMmx.inf create mode 100644 MdePkg/Library/BaseMemoryLibMmx/BaseMemoryLibMmx.msa create mode 100644 MdePkg/Library/BaseMemoryLibMmx/CompareMemWrapper.c create mode 100644 MdePkg/Library/BaseMemoryLibMmx/CopyMemWrapper.c create mode 100644 MdePkg/Library/BaseMemoryLibMmx/Ia32/CompareMem.S create mode 100644 MdePkg/Library/BaseMemoryLibMmx/Ia32/CompareMem.asm create mode 100644 MdePkg/Library/BaseMemoryLibMmx/Ia32/CopyMem.S create mode 100644 MdePkg/Library/BaseMemoryLibMmx/Ia32/CopyMem.asm create mode 100644 MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem16.S create mode 100644 MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem16.asm create mode 100644 MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem32.S create mode 100644 MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem32.asm create mode 100644 MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem64.S create mode 100644 MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem64.asm create mode 100644 MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem8.S create mode 100644 MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem8.asm create mode 100644 MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem.S create mode 100644 MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem.asm create mode 100644 MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem16.S create mode 100644 MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem16.asm create mode 100644 MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem32.S create mode 100644 MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem32.asm create mode 100644 MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem64.S create mode 100644 MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem64.asm create mode 100644 MdePkg/Library/BaseMemoryLibMmx/Ia32/ZeroMem.S create mode 100644 MdePkg/Library/BaseMemoryLibMmx/Ia32/ZeroMem.asm create mode 100644 MdePkg/Library/BaseMemoryLibMmx/MemLibGuid.c create mode 100644 MdePkg/Library/BaseMemoryLibMmx/MemLibInternals.h create mode 100644 MdePkg/Library/BaseMemoryLibMmx/ScanMem16Wrapper.c create mode 100644 MdePkg/Library/BaseMemoryLibMmx/ScanMem32Wrapper.c create mode 100644 MdePkg/Library/BaseMemoryLibMmx/ScanMem64Wrapper.c create mode 100644 MdePkg/Library/BaseMemoryLibMmx/ScanMem8Wrapper.c create mode 100644 MdePkg/Library/BaseMemoryLibMmx/SetMem16Wrapper.c create mode 100644 MdePkg/Library/BaseMemoryLibMmx/SetMem32Wrapper.c create mode 100644 MdePkg/Library/BaseMemoryLibMmx/SetMem64Wrapper.c create mode 100644 MdePkg/Library/BaseMemoryLibMmx/SetMemWrapper.c create mode 100644 MdePkg/Library/BaseMemoryLibMmx/X64/CompareMem.S create mode 100644 MdePkg/Library/BaseMemoryLibMmx/X64/CompareMem.asm create mode 100644 MdePkg/Library/BaseMemoryLibMmx/X64/CopyMem.S create mode 100644 MdePkg/Library/BaseMemoryLibMmx/X64/CopyMem.asm create mode 100644 MdePkg/Library/BaseMemoryLibMmx/X64/ScanMem16.asm create mode 100644 MdePkg/Library/BaseMemoryLibMmx/X64/ScanMem32.asm create mode 100644 MdePkg/Library/BaseMemoryLibMmx/X64/ScanMem64.asm create mode 100644 MdePkg/Library/BaseMemoryLibMmx/X64/ScanMem8.asm create mode 100644 MdePkg/Library/BaseMemoryLibMmx/X64/SetMem.asm create mode 100644 MdePkg/Library/BaseMemoryLibMmx/X64/SetMem16.asm create mode 100644 MdePkg/Library/BaseMemoryLibMmx/X64/SetMem32.asm create mode 100644 MdePkg/Library/BaseMemoryLibMmx/X64/SetMem64.asm create mode 100644 MdePkg/Library/BaseMemoryLibMmx/X64/ZeroMem.asm create mode 100644 MdePkg/Library/BaseMemoryLibMmx/ZeroMemWrapper.c diff --git a/MdePkg/Library/BaseMemoryLibMmx/BaseMemoryLibMmx.inf b/MdePkg/Library/BaseMemoryLibMmx/BaseMemoryLibMmx.inf new file mode 100644 index 0000000000..bc2840cd8e --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibMmx/BaseMemoryLibMmx.inf @@ -0,0 +1,89 @@ +#/** @file +# Component description file for MMX Base Memory Library +# +# Base Memory Library that uses MMX registers for high performance. +# Optimized for use in DXE. +# Copyright (c) 2006, Intel Corporation +# +# All rights reserved. This program and the accompanying materials +# are licensed and made available under the terms and conditions of the BSD License +# which accompanies this distribution. The full text of the license may be found at +# http://opensource.org/licenses/bsd-license.php +# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +# +# +#**/ + +[Defines] + INF_VERSION = 0x00010005 + BASE_NAME = BaseMemoryLibMmx + FILE_GUID = d458a654-f64c-49db-b8d1-3821306bf1f6 + MODULE_TYPE = BASE + VERSION_STRING = 1.0 + LIBRARY_CLASS = BaseMemoryLib + EDK_RELEASE_VERSION = 0x00020000 + EFI_SPECIFICATION_VERSION = 0x00020000 + + +# +# VALID_ARCHITECTURES = IA32 X64 +# + +[Sources.common] + ScanMem64Wrapper.c + ScanMem32Wrapper.c + ScanMem16Wrapper.c + ScanMem8Wrapper.c + ZeroMemWrapper.c + CompareMemWrapper.c + SetMem64Wrapper.c + SetMem32Wrapper.c + SetMem16Wrapper.c + SetMemWrapper.c + CopyMemWrapper.c + MemLibGuid.c + MemLibInternals.h + +[Sources.Ia32] + Ia32/ScanMem64.S + Ia32/ScanMem32.S + Ia32/ScanMem16.S + Ia32/ScanMem8.S + Ia32/CompareMem.S + Ia32/SetMem64.S + Ia32/SetMem32.S + Ia32/SetMem16.S + Ia32/ZeroMem.S + Ia32/SetMem.S + Ia32/CopyMem.S + Ia32/ScanMem64.asm + Ia32/ScanMem32.asm + Ia32/ScanMem16.asm + Ia32/ScanMem8.asm + Ia32/CompareMem.asm + Ia32/SetMem64.asm + Ia32/SetMem32.asm + Ia32/SetMem16.asm + Ia32/ZeroMem.asm + Ia32/SetMem.asm + Ia32/CopyMem.asm + +[Sources.X64] + X64/ZeroMem.asm + X64/ScanMem64.asm + X64/ScanMem32.asm + X64/ScanMem16.asm + X64/ScanMem8.asm + X64/CompareMem.asm + X64/SetMem64.asm + X64/SetMem32.asm + X64/SetMem16.asm + X64/SetMem.asm + X64/CopyMem.asm + + +[LibraryClasses] + DebugLib + BaseLib + diff --git a/MdePkg/Library/BaseMemoryLibMmx/BaseMemoryLibMmx.msa b/MdePkg/Library/BaseMemoryLibMmx/BaseMemoryLibMmx.msa new file mode 100644 index 0000000000..8b071c9a0f --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibMmx/BaseMemoryLibMmx.msa @@ -0,0 +1,91 @@ + + + + BaseMemoryLibMmx + BASE + d458a654-f64c-49db-b8d1-3821306bf1f6 + 1.0 + Component description file for MMX Base Memory Library + Base Memory Library that uses MMX registers for high performance. + Optimized for use in DXE. + Copyright (c) 2006, Intel Corporation + All rights reserved. This program and the accompanying materials + are licensed and made available under the terms and conditions of the BSD License + which accompanies this distribution. The full text of the license may be found at + http://opensource.org/licenses/bsd-license.php + THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, + WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. + FRAMEWORK_BUILD_PACKAGING_SPECIFICATION 0x00000052 + + + IA32 X64 + false + BaseMemoryLibMmx + + + + BaseMemoryLib + + + BaseLib + + + DebugLib + + + + MemLibInternals.h + MemLibGuid.c + CopyMemWrapper.c + SetMemWrapper.c + SetMem16Wrapper.c + SetMem32Wrapper.c + SetMem64Wrapper.c + CompareMemWrapper.c + ZeroMemWrapper.c + ScanMem8Wrapper.c + ScanMem16Wrapper.c + ScanMem32Wrapper.c + ScanMem64Wrapper.c + Ia32/CopyMem.asm + Ia32/SetMem.asm + Ia32/ZeroMem.asm + Ia32/SetMem16.asm + Ia32/SetMem32.asm + Ia32/SetMem64.asm + Ia32/CompareMem.asm + Ia32/ScanMem8.asm + Ia32/ScanMem16.asm + Ia32/ScanMem32.asm + Ia32/ScanMem64.asm + Ia32/CopyMem.S + Ia32/SetMem.S + Ia32/ZeroMem.S + Ia32/SetMem16.S + Ia32/SetMem32.S + Ia32/SetMem64.S + Ia32/CompareMem.S + Ia32/ScanMem8.S + Ia32/ScanMem16.S + Ia32/ScanMem32.S + Ia32/ScanMem64.S + X64/CopyMem.asm + X64/SetMem.asm + X64/SetMem16.asm + X64/SetMem32.asm + X64/SetMem64.asm + X64/CompareMem.asm + X64/ScanMem8.asm + X64/ScanMem16.asm + X64/ScanMem32.asm + X64/ScanMem64.asm + X64/ZeroMem.asm + + + + + + EFI_SPECIFICATION_VERSION 0x00020000 + EDK_RELEASE_VERSION 0x00020000 + + \ No newline at end of file diff --git a/MdePkg/Library/BaseMemoryLibMmx/CompareMemWrapper.c b/MdePkg/Library/BaseMemoryLibMmx/CompareMemWrapper.c new file mode 100644 index 0000000000..4c0d3eaadb --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibMmx/CompareMemWrapper.c @@ -0,0 +1,67 @@ +/** @file + CompareMem() implementation. + + Copyright (c) 2006, Intel Corporation
+ All rights reserved. This program and the accompanying materials + are licensed and made available under the terms and conditions of the BSD License + which accompanies this distribution. The full text of the license may be found at + http://opensource.org/licenses/bsd-license.php + + THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, + WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. + + Module Name: CompareMemWrapper.c + + The following BaseMemoryLib instances share the same version of this file: + + BaseMemoryLib + BaseMemoryLibMmx + BaseMemoryLibSse2 + BaseMemoryLibRepStr + PeiMemoryLib + DxeMemoryLib + +**/ + +#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 and Length > 0, then ASSERT(). + If Length > 0 and SourceBuffer is NULL and Length > 0, 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 Pointer to the destination buffer to compare. + @param SourceBuffer Pointer to the source buffer to compare. + @param Length 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) { + 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/BaseMemoryLibMmx/CopyMemWrapper.c b/MdePkg/Library/BaseMemoryLibMmx/CopyMemWrapper.c new file mode 100644 index 0000000000..9e620e2200 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibMmx/CopyMemWrapper.c @@ -0,0 +1,62 @@ +/** @file + CopyMem() implementation. + + Copyright (c) 2006, Intel Corporation
+ All rights reserved. This program and the accompanying materials + are licensed and made available under the terms and conditions of the BSD License + which accompanies this distribution. The full text of the license may be found at + http://opensource.org/licenses/bsd-license.php + + THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, + WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. + + Module Name: CopyMemWrapper.c + + The following BaseMemoryLib instances share the same version of this file: + + BaseMemoryLib + BaseMemoryLibMmx + BaseMemoryLibSse2 + BaseMemoryLibRepStr + PeiMemoryLib + DxeMemoryLib + +**/ + +#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 Pointer to the destination buffer of the memory copy. + @param SourceBuffer Pointer to the source buffer of the memory copy. + @param Length 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/BaseMemoryLibMmx/Ia32/CompareMem.S b/MdePkg/Library/BaseMemoryLibMmx/Ia32/CompareMem.S new file mode 100644 index 0000000000..e3ba6112cd --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibMmx/Ia32/CompareMem.S @@ -0,0 +1,53 @@ +#------------------------------------------------------------------------------ +# +# Copyright (c) 2006, Intel Corporation +# All rights reserved. This program and the accompanying materials +# are licensed and made available under the terms and conditions of the BSD License +# which accompanies this distribution. The full text of the license may be found at +# http://opensource.org/licenses/bsd-license.php +# +# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +# +# Module Name: +# +# CompareMem.Asm +# +# Abstract: +# +# CompareMem function +# +# Notes: +# +# The following BaseMemoryLib instances share the same version of this file: +# +# BaseMemoryLibRepStr +# BaseMemoryLibMmx +# BaseMemoryLibSse2 +# +#------------------------------------------------------------------------------ + +.globl _InternalMemCompareMem + +#------------------------------------------------------------------------------ +# INTN +# EFIAPI +# InternalMemCompareMem ( +# IN CONST VOID *DestinationBuffer, +# IN CONST VOID *SourceBuffer, +# IN UINTN Length +# ); +#------------------------------------------------------------------------------ +_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/BaseMemoryLibMmx/Ia32/CompareMem.asm b/MdePkg/Library/BaseMemoryLibMmx/Ia32/CompareMem.asm new file mode 100644 index 0000000000..1d0e7fad39 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibMmx/Ia32/CompareMem.asm @@ -0,0 +1,54 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006, Intel Corporation +; All rights reserved. This program and the accompanying materials +; are licensed and made available under the terms and conditions of the BSD License +; which accompanies this distribution. The full text of the license may be found at +; http://opensource.org/licenses/bsd-license.php +; +; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +; +; Module Name: +; +; CompareMem.Asm +; +; Abstract: +; +; CompareMem function +; +; Notes: +; +; The following BaseMemoryLib instances share the same version of this file: +; +; BaseMemoryLibRepStr +; BaseMemoryLibMmx +; BaseMemoryLibSse2 +; +;------------------------------------------------------------------------------ + + .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/BaseMemoryLibMmx/Ia32/CopyMem.S b/MdePkg/Library/BaseMemoryLibMmx/Ia32/CopyMem.S new file mode 100644 index 0000000000..71d3d20d5c --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibMmx/Ia32/CopyMem.S @@ -0,0 +1,86 @@ +#------------------------------------------------------------------------------ +# +# Copyright (c) 2006, Intel Corporation +# All rights reserved. This program and the accompanying materials +# are licensed and made available under the terms and conditions of the BSD License +# which accompanies this distribution. The full text of the license may be found at +# http://opensource.org/licenses/bsd-license.php +# +# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +# +# Module Name: +# +# CopyMem.asm +# +# Abstract: +# +# CopyMem function +# +# Notes: +# +#------------------------------------------------------------------------------ + +.globl _InternalMemCopyMem + +#------------------------------------------------------------------------------ +# VOID * +# EFIAPI +# InternalMemCopyMem ( +# IN VOID *Destination, +# IN VOID *Source, +# IN UINTN Count +# ); +#------------------------------------------------------------------------------ +_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 # Overlapped? + jae L_CopyBackward # Copy backward if overlapped +L0: + xorl %ecx, %ecx + subl %esi, %ecx + andl $7, %ecx # ecx + esi aligns on 8-byte boundary + jz L1 + cmpl %edx, %ecx + cmova %edx, %ecx + subl %ecx, %edx # edx <- remaining bytes to copy + rep + movsb +L1: + movl %edx, %ecx + andl $7, %edx + shrl $3, %ecx # ecx <- # of Qwords to copy + jz L_CopyBytes + pushl %eax + pushl %eax + movq %mm0, (%esp) # save mm0 +L2: + movq (%esi), %mm0 + movq %mm0, (%edi) + addl $8, %esi + addl $8, %edi + loop L2 + movq (%esp), %mm0 # restore mm0 + popl %ecx # stack cleanup + popl %ecx # stack cleanup + jmp L_CopyBytes +L_CopyBackward: + movl %eax, %esi # esi <- Last byte in Source + leal -1(%edi,%edx,), %edi # edi <- Last byte in Destination + std +L_CopyBytes: + movl %edx, %ecx + rep + movsb + cld + movl 12(%esp), %eax + pop %edi + pop %esi + ret diff --git a/MdePkg/Library/BaseMemoryLibMmx/Ia32/CopyMem.asm b/MdePkg/Library/BaseMemoryLibMmx/Ia32/CopyMem.asm new file mode 100644 index 0000000000..1b8b3c5dcd --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibMmx/Ia32/CopyMem.asm @@ -0,0 +1,77 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006, Intel Corporation +; All rights reserved. This program and the accompanying materials +; are licensed and made available under the terms and conditions of the BSD License +; which accompanies this distribution. The full text of the license may be found at +; http://opensource.org/licenses/bsd-license.php +; +; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +; +; Module Name: +; +; CopyMem.asm +; +; Abstract: +; +; CopyMem function +; +; Notes: +; +;------------------------------------------------------------------------------ + + .686 + .model flat,C + .mmx + .code + +;------------------------------------------------------------------------------ +; VOID * +; EFIAPI +; 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 ; Overlapped? + jae @CopyBackward ; Copy backward if overlapped +@@: + mov ecx, edx + and edx, 7 + shr ecx, 3 ; ecx <- # of Qwords to copy + jz @CopyBytes + push eax + push eax + movq [esp], mm0 ; save mm0 +@@: + movq mm0, [esi] + movq [edi], mm0 + add esi, 8 + add edi, 8 + loop @B + movq mm0, [esp] ; restore mm0 + pop ecx ; stack cleanup + pop ecx ; stack cleanup + jmp @CopyBytes +@CopyBackward: + mov esi, eax ; esi <- Last byte in Source + lea edi, [edi + edx - 1] ; edi <- Last byte in Destination + std +@CopyBytes: + mov ecx, edx + rep movsb + cld + mov eax, [esp + 12] + ret +InternalMemCopyMem ENDP + + END diff --git a/MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem16.S b/MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem16.S new file mode 100644 index 0000000000..a9ac4a1807 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem16.S @@ -0,0 +1,50 @@ +#------------------------------------------------------------------------------ +# +# Copyright (c) 2006, Intel Corporation +# All rights reserved. This program and the accompanying materials +# are licensed and made available under the terms and conditions of the BSD License +# which accompanies this distribution. The full text of the license may be found at +# http://opensource.org/licenses/bsd-license.php +# +# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +# +# Module Name: +# +# ScanMem16.Asm +# +# Abstract: +# +# ScanMem16 function +# +# Notes: +# +# The following BaseMemoryLib instances share the same version of this file: +# +# BaseMemoryLibRepStr +# BaseMemoryLibMmx +# BaseMemoryLibSse2 +# +#------------------------------------------------------------------------------ + +.globl _InternalMemScanMem16 + +#------------------------------------------------------------------------------ +# CONST VOID * +# EFIAPI +# InternalMemScanMem16 ( +# IN CONST VOID *Buffer, +# IN UINTN Length, +# IN UINT16 Value +# ); +#------------------------------------------------------------------------------ +_InternalMemScanMem16: + push %edi + movl 12(%esp), %ecx + movl 8(%esp), %edi + movl 16(%esp), %eax + repne scasw + leal -2(%edi), %eax + cmovnz %ecx, %eax + pop %edi + ret diff --git a/MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem16.asm b/MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem16.asm new file mode 100644 index 0000000000..57fab61b77 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem16.asm @@ -0,0 +1,53 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006, Intel Corporation +; All rights reserved. This program and the accompanying materials +; are licensed and made available under the terms and conditions of the BSD License +; which accompanies this distribution. The full text of the license may be found at +; http://opensource.org/licenses/bsd-license.php +; +; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +; +; Module Name: +; +; ScanMem16.Asm +; +; Abstract: +; +; ScanMem16 function +; +; Notes: +; +; The following BaseMemoryLib instances share the same version of this file: +; +; BaseMemoryLibRepStr +; BaseMemoryLibMmx +; BaseMemoryLibSse2 +; +;------------------------------------------------------------------------------ + + .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] + cmovnz eax, ecx + ret +InternalMemScanMem16 ENDP + + END diff --git a/MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem32.S b/MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem32.S new file mode 100644 index 0000000000..be50f94981 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem32.S @@ -0,0 +1,50 @@ +#------------------------------------------------------------------------------ +# +# Copyright (c) 2006, Intel Corporation +# All rights reserved. This program and the accompanying materials +# are licensed and made available under the terms and conditions of the BSD License +# which accompanies this distribution. The full text of the license may be found at +# http://opensource.org/licenses/bsd-license.php +# +# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +# +# Module Name: +# +# ScanMem32.Asm +# +# Abstract: +# +# ScanMem32 function +# +# Notes: +# +# The following BaseMemoryLib instances share the same version of this file: +# +# BaseMemoryLibRepStr +# BaseMemoryLibMmx +# BaseMemoryLibSse2 +# +#------------------------------------------------------------------------------ + +.globl _InternalMemScanMem32 + +#------------------------------------------------------------------------------ +# CONST VOID * +# EFIAPI +# InternalMemScanMem32 ( +# IN CONST VOID *Buffer, +# IN UINTN Length, +# IN UINT32 Value +# ); +#------------------------------------------------------------------------------ +_InternalMemScanMem32: + push %edi + movl 12(%esp), %ecx + movl 8(%esp), %edi + movl 16(%esp), %eax + repne scasl + leal -4(%edi), %eax + cmovnz %ecx, %eax + pop %edi + ret diff --git a/MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem32.asm b/MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem32.asm new file mode 100644 index 0000000000..6ac857ce16 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem32.asm @@ -0,0 +1,53 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006, Intel Corporation +; All rights reserved. This program and the accompanying materials +; are licensed and made available under the terms and conditions of the BSD License +; which accompanies this distribution. The full text of the license may be found at +; http://opensource.org/licenses/bsd-license.php +; +; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +; +; Module Name: +; +; ScanMem32.Asm +; +; Abstract: +; +; ScanMem32 function +; +; Notes: +; +; The following BaseMemoryLib instances share the same version of this file: +; +; BaseMemoryLibRepStr +; BaseMemoryLibMmx +; BaseMemoryLibSse2 +; +;------------------------------------------------------------------------------ + + .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] + cmovnz eax, ecx + ret +InternalMemScanMem32 ENDP + + END diff --git a/MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem64.S b/MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem64.S new file mode 100644 index 0000000000..b40f022d11 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem64.S @@ -0,0 +1,59 @@ +#------------------------------------------------------------------------------ +# +# Copyright (c) 2006, Intel Corporation +# All rights reserved. This program and the accompanying materials +# are licensed and made available under the terms and conditions of the BSD License +# which accompanies this distribution. The full text of the license may be found at +# http://opensource.org/licenses/bsd-license.php +# +# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +# +# Module Name: +# +# ScanMem64.Asm +# +# Abstract: +# +# ScanMem64 function +# +# Notes: +# +# The following BaseMemoryLib instances share the same version of this file: +# +# BaseMemoryLibRepStr +# BaseMemoryLibMmx +# BaseMemoryLibSse2 +# +#------------------------------------------------------------------------------ + +.globl _InternalMemScanMem64 + +#------------------------------------------------------------------------------ +# CONST VOID * +# EFIAPI +# InternalMemScanMem64 ( +# IN CONST VOID *Buffer, +# IN UINTN Length, +# IN UINT64 Value +# ); +#------------------------------------------------------------------------------ +_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 + cmovne %ecx, %eax + pop %edi + ret diff --git a/MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem64.asm b/MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem64.asm new file mode 100644 index 0000000000..ca54f13738 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem64.asm @@ -0,0 +1,62 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006, Intel Corporation +; All rights reserved. This program and the accompanying materials +; are licensed and made available under the terms and conditions of the BSD License +; which accompanies this distribution. The full text of the license may be found at +; http://opensource.org/licenses/bsd-license.php +; +; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +; +; Module Name: +; +; ScanMem64.Asm +; +; Abstract: +; +; ScanMem64 function +; +; Notes: +; +; The following BaseMemoryLib instances share the same version of this file: +; +; BaseMemoryLibRepStr +; BaseMemoryLibMmx +; BaseMemoryLibSse2 +; +;------------------------------------------------------------------------------ + + .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] + cmovne eax, ecx + ret +InternalMemScanMem64 ENDP + + END diff --git a/MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem8.S b/MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem8.S new file mode 100644 index 0000000000..02298b9f00 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem8.S @@ -0,0 +1,50 @@ +#------------------------------------------------------------------------------ +# +# Copyright (c) 2006, Intel Corporation +# All rights reserved. This program and the accompanying materials +# are licensed and made available under the terms and conditions of the BSD License +# which accompanies this distribution. The full text of the license may be found at +# http://opensource.org/licenses/bsd-license.php +# +# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +# +# Module Name: +# +# ScanMem8.Asm +# +# Abstract: +# +# ScanMem8 function +# +# Notes: +# +# The following BaseMemoryLib instances share the same version of this file: +# +# BaseMemoryLibRepStr +# BaseMemoryLibMmx +# BaseMemoryLibSse2 +# +#------------------------------------------------------------------------------ + +.globl _InternalMemScanMem8 + +#------------------------------------------------------------------------------ +# CONST VOID * +# EFIAPI +# InternalMemScanMem8 ( +# IN CONST VOID *Buffer, +# IN UINTN Length, +# IN UINT8 Value +# ); +#------------------------------------------------------------------------------ +_InternalMemScanMem8: + push %edi + movl 12(%esp), %ecx + movl 8(%esp), %edi + movb 16(%esp), %al + repne scasb + leal -1(%edi), %eax + cmovnz %ecx, %eax + pop %edi + ret diff --git a/MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem8.asm b/MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem8.asm new file mode 100644 index 0000000000..a3f65b64fa --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem8.asm @@ -0,0 +1,53 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006, Intel Corporation +; All rights reserved. This program and the accompanying materials +; are licensed and made available under the terms and conditions of the BSD License +; which accompanies this distribution. The full text of the license may be found at +; http://opensource.org/licenses/bsd-license.php +; +; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +; +; Module Name: +; +; ScanMem8.Asm +; +; Abstract: +; +; ScanMem8 function +; +; Notes: +; +; The following BaseMemoryLib instances share the same version of this file: +; +; BaseMemoryLibRepStr +; BaseMemoryLibMmx +; BaseMemoryLibSse2 +; +;------------------------------------------------------------------------------ + + .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] + cmovnz eax, ecx + ret +InternalMemScanMem8 ENDP + + END diff --git a/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem.S b/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem.S new file mode 100644 index 0000000000..5606d27b7b --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem.S @@ -0,0 +1,66 @@ +#------------------------------------------------------------------------------ +# +# Copyright (c) 2006, Intel Corporation +# All rights reserved. This program and the accompanying materials +# are licensed and made available under the terms and conditions of the BSD License +# which accompanies this distribution. The full text of the license may be found at +# http://opensource.org/licenses/bsd-license.php +# +# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +# +# Module Name: +# +# SetMem.asm +# +# Abstract: +# +# SetMem function +# +# Notes: +# +#------------------------------------------------------------------------------ + +.globl _InternalMemSetMem + +#------------------------------------------------------------------------------ +# VOID * +# InternalMemSetMem ( +# IN VOID *Buffer, +# IN UINTN Count, +# IN UINT8 Value +# ) +#------------------------------------------------------------------------------ +_InternalMemSetMem: + push %edi + movb 16(%esp), %al + movb %al, %ah + shrdl $16, %eax, %edx + shldl $16, %edx, %eax + movl 12(%esp), %ecx # ecx <- Count + movl 8(%esp), %edi # edi <- Buffer + movl %ecx, %edx + andl $7, %edx + shrl $3, %ecx # # of Qwords to set + jz L1 + addl $0x-10, %esp + movq %mm0, (%esp) # save mm0 + movq %mm1, 8(%esp) # save mm1 + movd %eax, %mm0 + movd %eax, %mm1 + psllq $32, %mm0 + por %mm1, %mm0 # fill mm0 with 8 Value's +L0: + movq %mm0, (%edi) + addl $8, %edi + loopl L0 + movq (%esp), %mm0 # restore mm0 + movq 8(%esp), %mm1 # restore mm1 + addl $0x10, %esp # stack cleanup +L1: + movl %edx, %ecx + rep + stosb + movl 8(%esp), %eax # eax <- Buffer as return value + pop %edi + ret diff --git a/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem.asm b/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem.asm new file mode 100644 index 0000000000..c9c48ecf9d --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem.asm @@ -0,0 +1,70 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006, Intel Corporation +; All rights reserved. This program and the accompanying materials +; are licensed and made available under the terms and conditions of the BSD License +; which accompanies this distribution. The full text of the license may be found at +; http://opensource.org/licenses/bsd-license.php +; +; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +; +; Module Name: +; +; SetMem.asm +; +; Abstract: +; +; SetMem function +; +; Notes: +; +;------------------------------------------------------------------------------ + + .686 + .model flat,C + .mmx + .code + +;------------------------------------------------------------------------------ +; VOID * +; EFIAPI +; InternalMemSetMem ( +; IN VOID *Buffer, +; IN UINTN Count, +; IN UINT8 Value +; ) +;------------------------------------------------------------------------------ +InternalMemSetMem PROC USES edi + mov al, [esp + 16] + mov ah, al + shrd edx, eax, 16 + shld eax, edx, 16 + mov ecx, [esp + 12] ; ecx <- Count + mov edi, [esp + 8] ; edi <- Buffer + mov edx, ecx + and edx, 7 + shr ecx, 3 ; # of Qwords to set + jz @SetBytes + add esp, -10h + movq [esp], mm0 ; save mm0 + movq [esp + 8], mm1 ; save mm1 + movd mm0, eax + movd mm1, eax + psllq mm0, 32 + por mm0, mm1 ; fill mm0 with 8 Value's +@@: + movq [edi], mm0 + add edi, 8 + loop @B + movq mm0, [esp] ; restore mm0 + movq mm1, [esp + 8] ; restore mm1 + add esp, 10h ; stack cleanup +@SetBytes: + mov ecx, edx + rep stosb + mov eax, [esp + 8] ; eax <- Buffer as return value + ret +InternalMemSetMem ENDP + + END diff --git a/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem16.S b/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem16.S new file mode 100644 index 0000000000..e0a787afb4 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem16.S @@ -0,0 +1,59 @@ +#------------------------------------------------------------------------------ +# +# Copyright (c) 2006, Intel Corporation +# All rights reserved. This program and the accompanying materials +# are licensed and made available under the terms and conditions of the BSD License +# which accompanies this distribution. The full text of the license may be found at +# http://opensource.org/licenses/bsd-license.php +# +# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +# +# Module Name: +# +# SetMem16.asm +# +# Abstract: +# +# SetMem16 function +# +# Notes: +# +#------------------------------------------------------------------------------ + +.globl _InternalMemSetMem16 + +#------------------------------------------------------------------------------ +# VOID * +# InternalMemSetMem16 ( +# IN VOID *Buffer, +# IN UINTN Count, +# IN UINT16 Value +# ) +#------------------------------------------------------------------------------ +_InternalMemSetMem16: + push %edi + movl 16(%esp), %eax + shrdl $16, %eax, %edx + shldl $16, %edx, %eax + movl 12(%esp), %edx + movl 8(%esp), %edi + movl %edx, %ecx + andl $3, %edx + shrl $2, %ecx + jz L1 + movd %eax, %mm0 + movd %eax, %mm1 + psllq $32, %mm0 + por %mm1, %mm0 +L0: + movq %mm0, (%edi) + addl $8, %edi + loopl L0 +L1: + movl %edx, %ecx + rep + stosw + movl 8(%esp), %eax + pop %edi + ret diff --git a/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem16.asm b/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem16.asm new file mode 100644 index 0000000000..e934226658 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem16.asm @@ -0,0 +1,63 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006, Intel Corporation +; All rights reserved. This program and the accompanying materials +; are licensed and made available under the terms and conditions of the BSD License +; which accompanies this distribution. The full text of the license may be found at +; http://opensource.org/licenses/bsd-license.php +; +; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +; +; Module Name: +; +; SetMem16.asm +; +; Abstract: +; +; SetMem16 function +; +; Notes: +; +;------------------------------------------------------------------------------ + + .686 + .model flat,C + .mmx + .code + +;------------------------------------------------------------------------------ +; VOID * +; EFIAPI +; InternalMemSetMem16 ( +; IN VOID *Buffer, +; IN UINTN Count, +; IN UINT16 Value +; ) +;------------------------------------------------------------------------------ +InternalMemSetMem16 PROC USES edi + mov eax, [esp + 16] + shrd edx, eax, 16 + shld eax, edx, 16 + mov edx, [esp + 12] + mov edi, [esp + 8] + mov ecx, edx + and edx, 3 + shr ecx, 2 + jz @SetWords + movd mm0, eax + movd mm1, eax + psllq mm0, 32 + por mm0, mm1 +@@: + movq [edi], mm0 + add edi, 8 + loop @B +@SetWords: + mov ecx, edx + rep stosw + mov eax, [esp + 8] + ret +InternalMemSetMem16 ENDP + + END diff --git a/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem32.S b/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem32.S new file mode 100644 index 0000000000..22b50650ad --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem32.S @@ -0,0 +1,52 @@ +#------------------------------------------------------------------------------ +# +# Copyright (c) 2006, Intel Corporation +# All rights reserved. This program and the accompanying materials +# are licensed and made available under the terms and conditions of the BSD License +# which accompanies this distribution. The full text of the license may be found at +# http://opensource.org/licenses/bsd-license.php +# +# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +# +# Module Name: +# +# SetMem32.asm +# +# Abstract: +# +# SetMem32 function +# +# Notes: +# +#------------------------------------------------------------------------------ + +.globl _InternalMemSetMem32 + +#------------------------------------------------------------------------------ +# VOID * +# InternalMemSetMem32 ( +# IN VOID *Buffer, +# IN UINTN Count, +# IN UINT32 Value +# ) +#------------------------------------------------------------------------------ +_InternalMemSetMem32: + movl 4(%esp), %eax + movl 8(%esp), %ecx + movd 12(%esp), %mm0 + shrl %ecx + movl %eax, %edx + jz L1 + movq %mm0, %mm1 + psllq $32, %mm1 + por %mm1, %mm0 +L0: + movq %mm0, (%edx) + lea 8(%edx), %edx + loopl L0 +L1: + jnc L2 + movd %mm0, (%edx) +L2: + ret diff --git a/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem32.asm b/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem32.asm new file mode 100644 index 0000000000..c2e4869e47 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem32.asm @@ -0,0 +1,59 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006, Intel Corporation +; All rights reserved. This program and the accompanying materials +; are licensed and made available under the terms and conditions of the BSD License +; which accompanies this distribution. The full text of the license may be found at +; http://opensource.org/licenses/bsd-license.php +; +; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +; +; Module Name: +; +; SetMem32.asm +; +; Abstract: +; +; SetMem32 function +; +; Notes: +; +;------------------------------------------------------------------------------ + + .686 + .model flat,C + .mmx + .code + +;------------------------------------------------------------------------------ +; VOID * +; EFIAPI +; InternalMemSetMem32 ( +; IN VOID *Buffer, +; IN UINTN Count, +; IN UINT32 Value +; ); +;------------------------------------------------------------------------------ +InternalMemSetMem32 PROC + mov eax, [esp + 4] ; eax <- Buffer as return value + mov ecx, [esp + 8] ; ecx <- Count + movd mm0, [esp + 12] ; mm0 <- Value + shr ecx, 1 ; ecx <- number of qwords to set + mov edx, eax ; edx <- Buffer + jz @SetDwords + movq mm1, mm0 + psllq mm1, 32 + por mm0, mm1 +@@: + movq [edx], mm0 + lea edx, [edx + 8] ; use "lea" to avoid change in flags + loop @B +@SetDwords: + jnc @F + movd [edx], mm0 +@@: + ret +InternalMemSetMem32 ENDP + + END diff --git a/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem64.S b/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem64.S new file mode 100644 index 0000000000..efd24ae2ed --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem64.S @@ -0,0 +1,43 @@ +#------------------------------------------------------------------------------ +# +# Copyright (c) 2006, Intel Corporation +# All rights reserved. This program and the accompanying materials +# are licensed and made available under the terms and conditions of the BSD License +# which accompanies this distribution. The full text of the license may be found at +# http://opensource.org/licenses/bsd-license.php +# +# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +# +# Module Name: +# +# SetMem64.asm +# +# Abstract: +# +# SetMem64 function +# +# Notes: +# +#------------------------------------------------------------------------------ + +.globl _InternalMemSetMem64 + +#------------------------------------------------------------------------------ +# VOID * +# InternalMemSetMem64 ( +# IN VOID *Buffer, +# IN UINTN Count, +# IN UINT64 Value +# ) +#------------------------------------------------------------------------------ +_InternalMemSetMem64: + movl 4(%esp), %eax + movl 8(%esp), %ecx + movq 12(%esp), %mm0 + movl %eax, %edx +L0: + movq %mm0, (%edx) + lea 8(%edx), %edx + loopl L0 + ret diff --git a/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem64.asm b/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem64.asm new file mode 100644 index 0000000000..027483ba3f --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem64.asm @@ -0,0 +1,50 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006, Intel Corporation +; All rights reserved. This program and the accompanying materials +; are licensed and made available under the terms and conditions of the BSD License +; which accompanies this distribution. The full text of the license may be found at +; http://opensource.org/licenses/bsd-license.php +; +; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +; +; Module Name: +; +; SetMem64.asm +; +; Abstract: +; +; SetMem64 function +; +; Notes: +; +;------------------------------------------------------------------------------ + + .686 + .model flat,C + .mmx + .code + +;------------------------------------------------------------------------------ +; VOID * +; EFIAPI +; InternalMemSetMem64 ( +; IN VOID *Buffer, +; IN UINTN Count, +; IN UINT64 Value +; ) +;------------------------------------------------------------------------------ +InternalMemSetMem64 PROC + mov eax, [esp + 4] + mov ecx, [esp + 8] + movq mm0, [esp + 12] + mov edx, eax +@@: + movq [edx], mm0 + add edx, 8 + loop @B + ret +InternalMemSetMem64 ENDP + + END diff --git a/MdePkg/Library/BaseMemoryLibMmx/Ia32/ZeroMem.S b/MdePkg/Library/BaseMemoryLibMmx/Ia32/ZeroMem.S new file mode 100644 index 0000000000..999beba3d5 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibMmx/Ia32/ZeroMem.S @@ -0,0 +1,54 @@ +#------------------------------------------------------------------------------ +# +# Copyright (c) 2006, Intel Corporation +# All rights reserved. This program and the accompanying materials +# are licensed and made available under the terms and conditions of the BSD License +# which accompanies this distribution. The full text of the license may be found at +# http://opensource.org/licenses/bsd-license.php +# +# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +# +# Module Name: +# +# ZeroMem.asm +# +# Abstract: +# +# ZeroMem function +# +# Notes: +# +#------------------------------------------------------------------------------ + +.globl _InternalMemZeroMem + +#------------------------------------------------------------------------------ +# VOID * +# EFIAPI +# InternalMemZeroMem ( +# IN VOID *Buffer, +# IN UINTN Count +# ); +#------------------------------------------------------------------------------ +_InternalMemZeroMem: + push %edi + movl 8(%esp), %edi + movl 12(%esp), %ecx + movl %ecx, %edx + shrl $3, %ecx + jz L_ZeroBytes + pxor %mm0, %mm0 +L0: + movq %mm0, (%edi) + addl $8, %edi + loop L0 +L_ZeroBytes: + andl $7, %edx + xorl %eax, %eax + movl %edx, %ecx + rep + stosb + movl 8(%esp), %eax + pop %edi + ret diff --git a/MdePkg/Library/BaseMemoryLibMmx/Ia32/ZeroMem.asm b/MdePkg/Library/BaseMemoryLibMmx/Ia32/ZeroMem.asm new file mode 100644 index 0000000000..a75480bd40 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibMmx/Ia32/ZeroMem.asm @@ -0,0 +1,56 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006, Intel Corporation +; All rights reserved. This program and the accompanying materials +; are licensed and made available under the terms and conditions of the BSD License +; which accompanies this distribution. The full text of the license may be found at +; http://opensource.org/licenses/bsd-license.php +; +; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +; +; Module Name: +; +; ZeroMem.asm +; +; Abstract: +; +; ZeroMem function +; +; Notes: +; +;------------------------------------------------------------------------------ + + .686 + .model flat,C + .mmx + .code + +;------------------------------------------------------------------------------ +; VOID * +; InternalMemZeroMem ( +; IN VOID *Buffer, +; IN UINTN Count +; ); +;------------------------------------------------------------------------------ +InternalMemZeroMem PROC USES edi + mov edi, [esp + 8] + mov ecx, [esp + 12] + mov edx, ecx + shr ecx, 3 + jz @ZeroBytes + pxor mm0, mm0 +@@: + movq [edi], mm0 + add edi, 8 + loop @B +@ZeroBytes: + and edx, 7 + xor eax, eax + mov ecx, edx + rep stosb + mov eax, [esp + 8] + ret +InternalMemZeroMem ENDP + + END diff --git a/MdePkg/Library/BaseMemoryLibMmx/MemLibGuid.c b/MdePkg/Library/BaseMemoryLibMmx/MemLibGuid.c new file mode 100644 index 0000000000..15e5294d9f --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibMmx/MemLibGuid.c @@ -0,0 +1,139 @@ +/** @file + Implementation of GUID functions. + + Copyright (c) 2006, Intel Corporation
+ All rights reserved. This program and the accompanying materials + are licensed and made available under the terms and conditions of the BSD License + which accompanies this distribution. The full text of the license may be found at + http://opensource.org/licenses/bsd-license.php + + THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, + WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. + + Module Name: MemLibGuid.c + + The following BaseMemoryLib instances share the same version of this file: + + BaseMemoryLib + BaseMemoryLibMmx + BaseMemoryLibSse2 + BaseMemoryLibRepStr + PeiMemoryLib + DxeMemoryLib + +**/ + +#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 Pointer to the destination GUID. + @param SourceGuid 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 target the 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 Pointer to the target buffer to scan. + @param Length Number of bytes in Buffer to scan. + @param Guid 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; +} diff --git a/MdePkg/Library/BaseMemoryLibMmx/MemLibInternals.h b/MdePkg/Library/BaseMemoryLibMmx/MemLibInternals.h new file mode 100644 index 0000000000..da7c7370d0 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibMmx/MemLibInternals.h @@ -0,0 +1,234 @@ +/** @file + Declaration of internal functions for Base Memory Library. + + Copyright (c) 2006, Intel Corporation
+ All rights reserved. This program and the accompanying materials + are licensed and made available under the terms and conditions of the BSD License + which accompanies this distribution. The full text of the license may be found at + http://opensource.org/licenses/bsd-license.php + + THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, + WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. + + Module Name: MemLibInternals.h + + The following BaseMemoryLib instances share the same version of this file: + + BaseMemoryLib + BaseMemoryLibMmx + BaseMemoryLibSse2 + BaseMemoryLibRepStr + PeiMemoryLib + DxeMemoryLib + +**/ + +#ifndef __MEM_LIB_INTERNALS__ +#define __MEM_LIB_INTERNALS__ + +#include +#include +#include + +/** + Copy Length bytes from Source to Destination. + + @param Destination Target of copy + @param Source Place to copy from + @param Length 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 Memory to set. + @param Size Number of bytes to set + @param Value 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 Pointer to the target buffer to fill. + @param Length Number of bytes in Buffer to fill. + @param Value 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 Pointer to the target buffer to fill. + @param Length Number of bytes in Buffer to fill. + @param Value 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 Pointer to the target buffer to fill. + @param Length Number of bytes in Buffer to fill. + @param Value 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 Memory to set. + @param Size 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 First memory buffer + @param SourceBuffer Second memory buffer + @param Length Length of DestinationBuffer and SourceBuffer memory + regions to compare. Must be non-zero. + + @retval 0 if MemOne == MemTwo + +**/ +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 Pointer to the target buffer to scan. + @param Length Number of bytes in Buffer to scan. Must be non-zero. + @param Value Value to search for in the target buffer. + + @return 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 Pointer to the target buffer to scan. + @param Length Number of bytes in Buffer to scan. Must be non-zero. + @param Value Value to search for in the target buffer. + + @return 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 Pointer to the target buffer to scan. + @param Length Number of bytes in Buffer to scan. Must be non-zero. + @param Value Value to search for in the target buffer. + + @return 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 Pointer to the target buffer to scan. + @param Length Number of bytes in Buffer to scan. Must be non-zero. + @param Value Value to search for in the target buffer. + + @return Pointer to the first occurrence or NULL if not found. + +**/ +CONST VOID * +EFIAPI +InternalMemScanMem64 ( + IN CONST VOID *Buffer, + IN UINTN Length, + IN UINT64 Value + ); + +#endif diff --git a/MdePkg/Library/BaseMemoryLibMmx/ScanMem16Wrapper.c b/MdePkg/Library/BaseMemoryLibMmx/ScanMem16Wrapper.c new file mode 100644 index 0000000000..95f134bbda --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibMmx/ScanMem16Wrapper.c @@ -0,0 +1,66 @@ +/** @file + ScanMem16() implementation. + + Copyright (c) 2006, Intel Corporation
+ All rights reserved. This program and the accompanying materials + are licensed and made available under the terms and conditions of the BSD License + which accompanies this distribution. The full text of the license may be found at + http://opensource.org/licenses/bsd-license.php + + THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, + WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. + + Module Name: ScanMem16Wrapper.c + + The following BaseMemoryLib instances share the same version of this file: + + BaseMemoryLib + BaseMemoryLibMmx + BaseMemoryLibSse2 + BaseMemoryLibRepStr + PeiMemoryLib + DxeMemoryLib + +**/ + +#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 target the 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 Pointer to the target buffer to scan. + @param Length Number of bytes in Buffer to scan. + @param Value 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/BaseMemoryLibMmx/ScanMem32Wrapper.c b/MdePkg/Library/BaseMemoryLibMmx/ScanMem32Wrapper.c new file mode 100644 index 0000000000..6a3dcd7ad2 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibMmx/ScanMem32Wrapper.c @@ -0,0 +1,66 @@ +/** @file + ScanMem32() implementation. + + Copyright (c) 2006, Intel Corporation
+ All rights reserved. This program and the accompanying materials + are licensed and made available under the terms and conditions of the BSD License + which accompanies this distribution. The full text of the license may be found at + http://opensource.org/licenses/bsd-license.php + + THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, + WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. + + Module Name: ScanMem32Wrapper.c + + The following BaseMemoryLib instances share the same version of this file: + + BaseMemoryLib + BaseMemoryLibMmx + BaseMemoryLibSse2 + BaseMemoryLibRepStr + PeiMemoryLib + DxeMemoryLib + +**/ + +#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 target the 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 Pointer to the target buffer to scan. + @param Length Number of bytes in Buffer to scan. + @param Value 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/BaseMemoryLibMmx/ScanMem64Wrapper.c b/MdePkg/Library/BaseMemoryLibMmx/ScanMem64Wrapper.c new file mode 100644 index 0000000000..b355fe647c --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibMmx/ScanMem64Wrapper.c @@ -0,0 +1,66 @@ +/** @file + ScanMem64() implementation. + + Copyright (c) 2006, Intel Corporation
+ All rights reserved. This program and the accompanying materials + are licensed and made available under the terms and conditions of the BSD License + which accompanies this distribution. The full text of the license may be found at + http://opensource.org/licenses/bsd-license.php + + THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, + WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. + + Module Name: ScanMem64Wrapper.c + + The following BaseMemoryLib instances share the same version of this file: + + BaseMemoryLib + BaseMemoryLibMmx + BaseMemoryLibSse2 + BaseMemoryLibRepStr + PeiMemoryLib + DxeMemoryLib + +**/ + +#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 target the 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 Pointer to the target buffer to scan. + @param Length Number of bytes in Buffer to scan. + @param Value 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/BaseMemoryLibMmx/ScanMem8Wrapper.c b/MdePkg/Library/BaseMemoryLibMmx/ScanMem8Wrapper.c new file mode 100644 index 0000000000..2b21b22166 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibMmx/ScanMem8Wrapper.c @@ -0,0 +1,61 @@ +/** @file + ScanMem8() implementation. + + Copyright (c) 2006, Intel Corporation
+ All rights reserved. This program and the accompanying materials + are licensed and made available under the terms and conditions of the BSD License + which accompanies this distribution. The full text of the license may be found at + http://opensource.org/licenses/bsd-license.php + + THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, + WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. + + Module Name: ScanMem8Wrapper.c + + The following BaseMemoryLib instances share the same version of this file: + + BaseMemoryLib + BaseMemoryLibMmx + BaseMemoryLibSse2 + BaseMemoryLibRepStr + PeiMemoryLib + DxeMemoryLib + +**/ + +#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 target the 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 Pointer to the target buffer to scan. + @param Length Number of bytes in Buffer to scan. + @param Value 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); +} diff --git a/MdePkg/Library/BaseMemoryLibMmx/SetMem16Wrapper.c b/MdePkg/Library/BaseMemoryLibMmx/SetMem16Wrapper.c new file mode 100644 index 0000000000..889339c953 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibMmx/SetMem16Wrapper.c @@ -0,0 +1,65 @@ +/** @file + SetMem16() implementation. + + Copyright (c) 2006, Intel Corporation
+ All rights reserved. This program and the accompanying materials + are licensed and made available under the terms and conditions of the BSD License + which accompanies this distribution. The full text of the license may be found at + http://opensource.org/licenses/bsd-license.php + + THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, + WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. + + Module Name: SetMem16Wrapper.c + + The following BaseMemoryLib instances share the same version of this file: + + BaseMemoryLib + BaseMemoryLibMmx + BaseMemoryLibSse2 + BaseMemoryLibRepStr + PeiMemoryLib + DxeMemoryLib + +**/ + +#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 Pointer to the target buffer to fill. + @param Length Number of bytes in Buffer to fill. + @param Value 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/BaseMemoryLibMmx/SetMem32Wrapper.c b/MdePkg/Library/BaseMemoryLibMmx/SetMem32Wrapper.c new file mode 100644 index 0000000000..15f8205ebc --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibMmx/SetMem32Wrapper.c @@ -0,0 +1,65 @@ +/** @file + SetMem32() implementation. + + Copyright (c) 2006, Intel Corporation
+ All rights reserved. This program and the accompanying materials + are licensed and made available under the terms and conditions of the BSD License + which accompanies this distribution. The full text of the license may be found at + http://opensource.org/licenses/bsd-license.php + + THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, + WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. + + Module Name: SetMem32Wrapper.c + + The following BaseMemoryLib instances share the same version of this file: + + BaseMemoryLib + BaseMemoryLibMmx + BaseMemoryLibSse2 + BaseMemoryLibRepStr + PeiMemoryLib + DxeMemoryLib + +**/ + +#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 Pointer to the target buffer to fill. + @param Length Number of bytes in Buffer to fill. + @param Value 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/BaseMemoryLibMmx/SetMem64Wrapper.c b/MdePkg/Library/BaseMemoryLibMmx/SetMem64Wrapper.c new file mode 100644 index 0000000000..981a7d4731 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibMmx/SetMem64Wrapper.c @@ -0,0 +1,65 @@ +/** @file + SetMem64() implementation. + + Copyright (c) 2006, Intel Corporation
+ All rights reserved. This program and the accompanying materials + are licensed and made available under the terms and conditions of the BSD License + which accompanies this distribution. The full text of the license may be found at + http://opensource.org/licenses/bsd-license.php + + THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, + WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. + + Module Name: SetMem64Wrapper.c + + The following BaseMemoryLib instances share the same version of this file: + + BaseMemoryLib + BaseMemoryLibMmx + BaseMemoryLibSse2 + BaseMemoryLibRepStr + PeiMemoryLib + DxeMemoryLib + +**/ + +#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 Pointer to the target buffer to fill. + @param Length Number of bytes in Buffer to fill. + @param Value 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/BaseMemoryLibMmx/SetMemWrapper.c b/MdePkg/Library/BaseMemoryLibMmx/SetMemWrapper.c new file mode 100644 index 0000000000..e74ce8d65b --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibMmx/SetMemWrapper.c @@ -0,0 +1,56 @@ +/** @file + SetMem() implementation. + + Copyright (c) 2006, Intel Corporation
+ All rights reserved. This program and the accompanying materials + are licensed and made available under the terms and conditions of the BSD License + which accompanies this distribution. The full text of the license may be found at + http://opensource.org/licenses/bsd-license.php + + THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, + WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. + + Module Name: SetMemWrapper.c + + The following BaseMemoryLib instances share the same version of this file: + + BaseMemoryLib + BaseMemoryLibMmx + BaseMemoryLibSse2 + BaseMemoryLibRepStr + PeiMemoryLib + DxeMemoryLib + +**/ + +#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 Memory to set. + @param Length Number of bytes to set. + @param Value Value of the set operation. + + @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); +} diff --git a/MdePkg/Library/BaseMemoryLibMmx/X64/CompareMem.S b/MdePkg/Library/BaseMemoryLibMmx/X64/CompareMem.S new file mode 100644 index 0000000000..fb1dccee0b --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibMmx/X64/CompareMem.S @@ -0,0 +1,52 @@ +#------------------------------------------------------------------------------ +# +# Copyright (c) 2006, Intel Corporation +# All rights reserved. This program and the accompanying materials +# are licensed and made available under the terms and conditions of the BSD License +# which accompanies this distribution. The full text of the license may be found at +# http://opensource.org/licenses/bsd-license.php +# +# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +# +# Module Name: +# +# CompareMem.Asm +# +# Abstract: +# +# CompareMem function +# +# Notes: +# +# The following BaseMemoryLib instances share the same version of this file: +# +# BaseMemoryLibRepStr +# BaseMemoryLibMmx +# BaseMemoryLibSse2 +# +#------------------------------------------------------------------------------ + +#------------------------------------------------------------------------------ +# INTN +# EFIAPI +# InternalMemCompareMem ( +# IN CONST VOID *DestinationBuffer, +# IN CONST VOID *SourceBuffer, +# IN UINTN Length +# ); +#------------------------------------------------------------------------------ +.global _InternalMemCompareMem; +_InternalMemCompareMem: + push %rsi + push %rdi + mov %rcx, %rsi + mov %rdx, %rdi + mov %r8, %rcx + repe cmpsb + movzbq -1(%rsi), %rax + movzbq -1(%rdi), %rdx + sub %rdx, %rax + pop %rdi + pop %rsi + ret diff --git a/MdePkg/Library/BaseMemoryLibMmx/X64/CompareMem.asm b/MdePkg/Library/BaseMemoryLibMmx/X64/CompareMem.asm new file mode 100644 index 0000000000..554bc07c64 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibMmx/X64/CompareMem.asm @@ -0,0 +1,52 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006, Intel Corporation +; All rights reserved. This program and the accompanying materials +; are licensed and made available under the terms and conditions of the BSD License +; which accompanies this distribution. The full text of the license may be found at +; http://opensource.org/licenses/bsd-license.php +; +; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +; +; Module Name: +; +; CompareMem.Asm +; +; Abstract: +; +; CompareMem function +; +; Notes: +; +; The following BaseMemoryLib instances share the same version of this file: +; +; BaseMemoryLibRepStr +; BaseMemoryLibMmx +; BaseMemoryLibSse2 +; +;------------------------------------------------------------------------------ + + .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/BaseMemoryLibMmx/X64/CopyMem.S b/MdePkg/Library/BaseMemoryLibMmx/X64/CopyMem.S new file mode 100644 index 0000000000..c4ecdc70eb --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibMmx/X64/CopyMem.S @@ -0,0 +1,72 @@ +#------------------------------------------------------------------------------ +# +# Copyright (c) 2006, Intel Corporation +# All rights reserved. This program and the accompanying materials +# are licensed and made available under the terms and conditions of the BSD License +# which accompanies this distribution. The full text of the license may be found at +# http://opensource.org/licenses/bsd-license.php +# +# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +# +# Module Name: +# +# CopyMem.asm +# +# Abstract: +# +# CopyMem function +# +# Notes: +# +#------------------------------------------------------------------------------ + + +#------------------------------------------------------------------------------ +# VOID * +# EFIAPI +# InternalMemCopyMem ( +# OUT VOID *DestinationBuffer, +# IN CONST VOID *SourceBuffer, +# IN UINTN Length +# ); +#------------------------------------------------------------------------------ +.global _InternalMemCopyMem; +_InternalMemCopyMem: + push %rsi + push %rdi + mov %rdi, %rsi + mov %rcx, %rdi + lea -1(%r8,%rsi,1),%r9 + cmp %rdi, %rsi + mov %rdi, %rax + jae L1 + cmp %rdi, %r9 + jae LCopyBackward # Copy backward if overlapped +L1: + mov %r8, %rcx + and $7, %r8 + shr $3, %rcx + jz LCopyBytes + movd %mm0, %r10 # (Save mm0 in r10) +L2: + movd (%rsi), %mm0 + movntq %mm0, (%rdi) + add $8, %rsi + add $8, %rdi + loop L2 + mfence + movd %r10, %mm0 #(Restore mm0) + jmp LCopyBytes +LCopyBackward: + mov %r9, %rsi + lea -1(%r8,%rdi,1),%rdi + std # set direction flag +LCopyBytes: + mov %r8, %rcx + rep + movsb # Copy bytes backward + cld + pop %rdi + pop %rsi + ret diff --git a/MdePkg/Library/BaseMemoryLibMmx/X64/CopyMem.asm b/MdePkg/Library/BaseMemoryLibMmx/X64/CopyMem.asm new file mode 100644 index 0000000000..b57192edbe --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibMmx/X64/CopyMem.asm @@ -0,0 +1,70 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006, Intel Corporation +; All rights reserved. This program and the accompanying materials +; are licensed and made available under the terms and conditions of the BSD License +; which accompanies this distribution. The full text of the license may be found at +; http://opensource.org/licenses/bsd-license.php +; +; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +; +; Module Name: +; +; CopyMem.asm +; +; Abstract: +; +; CopyMem function +; +; Notes: +; +;------------------------------------------------------------------------------ + + .code + +;------------------------------------------------------------------------------ +; VOID * +; EFIAPI +; InternalMemCopyMem ( +; OUT VOID *DestinationBuffer, +; IN CONST VOID *SourceBuffer, +; IN UINTN Length +; ); +;------------------------------------------------------------------------------ +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 ; rcx <- # of Qwords to copy + jz @CopyBytes + DB 49h, 0fh, 7eh, 0c2h ; movd r10, mm0 (Save mm0 in r10) +@@: + DB 0fh, 6fh, 06h ; movd mm0, [rsi] + DB 0fh, 0e7h, 07h ; movntq [rdi], mm0 + add rsi, 8 + add rdi, 8 + loop @B + mfence + DB 49h, 0fh, 6eh, 0c2h ; movd mm0, r10 (Restore mm0) + jmp @CopyBytes +@CopyBackward: + mov rsi, r9 ; rsi <- End of Source + lea rdi, [rdi + r8 - 1] ; rdi <- 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/BaseMemoryLibMmx/X64/ScanMem16.asm b/MdePkg/Library/BaseMemoryLibMmx/X64/ScanMem16.asm new file mode 100644 index 0000000000..a2538c2cca --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibMmx/X64/ScanMem16.asm @@ -0,0 +1,51 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006, Intel Corporation +; All rights reserved. This program and the accompanying materials +; are licensed and made available under the terms and conditions of the BSD License +; which accompanies this distribution. The full text of the license may be found at +; http://opensource.org/licenses/bsd-license.php +; +; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +; +; Module Name: +; +; ScanMem16.Asm +; +; Abstract: +; +; ScanMem16 function +; +; Notes: +; +; The following BaseMemoryLib instances share the same version of this file: +; +; BaseMemoryLibRepStr +; BaseMemoryLibMmx +; BaseMemoryLibSse2 +; +;------------------------------------------------------------------------------ + + .code + +;------------------------------------------------------------------------------ +; 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/BaseMemoryLibMmx/X64/ScanMem32.asm b/MdePkg/Library/BaseMemoryLibMmx/X64/ScanMem32.asm new file mode 100644 index 0000000000..e0523d8547 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibMmx/X64/ScanMem32.asm @@ -0,0 +1,51 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006, Intel Corporation +; All rights reserved. This program and the accompanying materials +; are licensed and made available under the terms and conditions of the BSD License +; which accompanies this distribution. The full text of the license may be found at +; http://opensource.org/licenses/bsd-license.php +; +; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +; +; Module Name: +; +; ScanMem32.Asm +; +; Abstract: +; +; ScanMem32 function +; +; Notes: +; +; The following BaseMemoryLib instances share the same version of this file: +; +; BaseMemoryLibRepStr +; BaseMemoryLibMmx +; BaseMemoryLibSse2 +; +;------------------------------------------------------------------------------ + + .code + +;------------------------------------------------------------------------------ +; 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/BaseMemoryLibMmx/X64/ScanMem64.asm b/MdePkg/Library/BaseMemoryLibMmx/X64/ScanMem64.asm new file mode 100644 index 0000000000..0e7e9c782f --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibMmx/X64/ScanMem64.asm @@ -0,0 +1,51 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006, Intel Corporation +; All rights reserved. This program and the accompanying materials +; are licensed and made available under the terms and conditions of the BSD License +; which accompanies this distribution. The full text of the license may be found at +; http://opensource.org/licenses/bsd-license.php +; +; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +; +; Module Name: +; +; ScanMem64.Asm +; +; Abstract: +; +; ScanMem64 function +; +; Notes: +; +; The following BaseMemoryLib instances share the same version of this file: +; +; BaseMemoryLibRepStr +; BaseMemoryLibMmx +; BaseMemoryLibSse2 +; +;------------------------------------------------------------------------------ + + .code + +;------------------------------------------------------------------------------ +; 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/BaseMemoryLibMmx/X64/ScanMem8.asm b/MdePkg/Library/BaseMemoryLibMmx/X64/ScanMem8.asm new file mode 100644 index 0000000000..879273f960 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibMmx/X64/ScanMem8.asm @@ -0,0 +1,51 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006, Intel Corporation +; All rights reserved. This program and the accompanying materials +; are licensed and made available under the terms and conditions of the BSD License +; which accompanies this distribution. The full text of the license may be found at +; http://opensource.org/licenses/bsd-license.php +; +; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +; +; Module Name: +; +; ScanMem8.Asm +; +; Abstract: +; +; ScanMem8 function +; +; Notes: +; +; The following BaseMemoryLib instances share the same version of this file: +; +; BaseMemoryLibRepStr +; BaseMemoryLibMmx +; BaseMemoryLibSse2 +; +;------------------------------------------------------------------------------ + + .code + +;------------------------------------------------------------------------------ +; 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/BaseMemoryLibMmx/X64/SetMem.asm b/MdePkg/Library/BaseMemoryLibMmx/X64/SetMem.asm new file mode 100644 index 0000000000..923beef6c1 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibMmx/X64/SetMem.asm @@ -0,0 +1,58 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006, Intel Corporation +; All rights reserved. This program and the accompanying materials +; are licensed and made available under the terms and conditions of the BSD License +; which accompanies this distribution. The full text of the license may be found at +; http://opensource.org/licenses/bsd-license.php +; +; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +; +; Module Name: +; +; SetMem.asm +; +; Abstract: +; +; SetMem function +; +; Notes: +; +;------------------------------------------------------------------------------ + + .code + +;------------------------------------------------------------------------------ +; VOID * +; EFIAPI +; InternalMemSetMem ( +; OUT VOID *Buffer, +; IN UINTN Length, +; IN UINT8 Value +; ); +;------------------------------------------------------------------------------ +InternalMemSetMem PROC USES rdi + mov rax, r8 + mov ah, al + DB 48h, 0fh, 6eh, 0c0h ; movd mm0, rax + mov r8, rcx + mov rdi, r8 ; rdi <- Buffer + mov rcx, rdx + and edx, 7 + shr rcx, 3 + jz @SetBytes + DB 0fh, 70h, 0C0h, 00h ; pshufw mm0, mm0, 0h +@@: + DB 0fh, 0e7h, 07h ; movntq [rdi], mm0 + add rdi, 8 + loop @B + mfence +@SetBytes: + mov ecx, edx + rep stosb + mov rax, r8 + ret +InternalMemSetMem ENDP + + END diff --git a/MdePkg/Library/BaseMemoryLibMmx/X64/SetMem16.asm b/MdePkg/Library/BaseMemoryLibMmx/X64/SetMem16.asm new file mode 100644 index 0000000000..01b72c55d5 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibMmx/X64/SetMem16.asm @@ -0,0 +1,57 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006, Intel Corporation +; All rights reserved. This program and the accompanying materials +; are licensed and made available under the terms and conditions of the BSD License +; which accompanies this distribution. The full text of the license may be found at +; http://opensource.org/licenses/bsd-license.php +; +; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +; +; Module Name: +; +; SetMem16.asm +; +; Abstract: +; +; SetMem16 function +; +; Notes: +; +;------------------------------------------------------------------------------ + + .code + +;------------------------------------------------------------------------------ +; VOID * +; EFIAPI +; InternalMemSetMem16 ( +; OUT VOID *Buffer, +; IN UINTN Length, +; IN UINT16 Value +; ); +;------------------------------------------------------------------------------ +InternalMemSetMem16 PROC USES rdi + mov rax, r8 + DB 48h, 0fh, 6eh, 0c0h ; movd mm0, rax + mov r8, rcx + mov rdi, r8 + mov rcx, rdx + and edx, 3 + shr rcx, 2 + jz @SetWords + DB 0fh, 70h, 0C0h, 00h ; pshufw mm0, mm0, 0h +@@: + DB 0fh, 0e7h, 07h ; movntq [rdi], mm0 + add rdi, 8 + loop @B + mfence +@SetWords: + mov ecx, edx + rep stosw + mov rax, r8 + ret +InternalMemSetMem16 ENDP + + END diff --git a/MdePkg/Library/BaseMemoryLibMmx/X64/SetMem32.asm b/MdePkg/Library/BaseMemoryLibMmx/X64/SetMem32.asm new file mode 100644 index 0000000000..89cf175608 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibMmx/X64/SetMem32.asm @@ -0,0 +1,53 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006, Intel Corporation +; All rights reserved. This program and the accompanying materials +; are licensed and made available under the terms and conditions of the BSD License +; which accompanies this distribution. The full text of the license may be found at +; http://opensource.org/licenses/bsd-license.php +; +; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +; +; Module Name: +; +; SetMem32.asm +; +; Abstract: +; +; SetMem32 function +; +; Notes: +; +;------------------------------------------------------------------------------ + + .code + +;------------------------------------------------------------------------------ +; VOID * +; InternalMemSetMem32 ( +; IN VOID *Buffer, +; IN UINTN Count, +; IN UINT32 Value +; ) +;------------------------------------------------------------------------------ +InternalMemSetMem32 PROC + DB 49h, 0fh, 6eh, 0c0h ; movd mm0, r8 (Value) + mov rax, rcx ; rax <- Buffer + xchg rcx, rdx ; rcx <- Count rdx <- Buffer + shr rcx, 1 ; rcx <- # of qwords to set + jz @SetDwords + DB 0fh, 70h, 0C0h, 44h ; pshufw mm0, mm0, 44h +@@: + DB 0fh, 0e7h, 02h ; movntq [rdx], mm0 + lea rdx, [rdx + 8] ; use "lea" to avoid flag changes + loop @B + mfence +@SetDwords: + jnc @F + DB 0fh, 7eh, 02h ; movd [rdx], mm0 +@@: + ret +InternalMemSetMem32 ENDP + + END diff --git a/MdePkg/Library/BaseMemoryLibMmx/X64/SetMem64.asm b/MdePkg/Library/BaseMemoryLibMmx/X64/SetMem64.asm new file mode 100644 index 0000000000..454d6234bf --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibMmx/X64/SetMem64.asm @@ -0,0 +1,46 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006, Intel Corporation +; All rights reserved. This program and the accompanying materials +; are licensed and made available under the terms and conditions of the BSD License +; which accompanies this distribution. The full text of the license may be found at +; http://opensource.org/licenses/bsd-license.php +; +; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +; +; Module Name: +; +; SetMem64.asm +; +; Abstract: +; +; SetMem64 function +; +; Notes: +; +;------------------------------------------------------------------------------ + + .code + +;------------------------------------------------------------------------------ +; VOID * +; InternalMemSetMem64 ( +; IN VOID *Buffer, +; IN UINTN Count, +; IN UINT64 Value +; ) +;------------------------------------------------------------------------------ +InternalMemSetMem64 PROC + DB 49h, 0fh, 6eh, 0c0h ; movd mm0, r8 (Value) + mov rax, rcx ; rax <- Buffer + xchg rcx, rdx ; rcx <- Count +@@: + DB 0fh, 0e7h, 02h ; movntq [rdx], mm0 + add rdx, 8 + loop @B + mfence + ret +InternalMemSetMem64 ENDP + + END diff --git a/MdePkg/Library/BaseMemoryLibMmx/X64/ZeroMem.asm b/MdePkg/Library/BaseMemoryLibMmx/X64/ZeroMem.asm new file mode 100644 index 0000000000..e9035a3c14 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibMmx/X64/ZeroMem.asm @@ -0,0 +1,54 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006, Intel Corporation +; All rights reserved. This program and the accompanying materials +; are licensed and made available under the terms and conditions of the BSD License +; which accompanies this distribution. The full text of the license may be found at +; http://opensource.org/licenses/bsd-license.php +; +; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +; +; Module Name: +; +; ZeroMem.asm +; +; Abstract: +; +; ZeroMem function +; +; Notes: +; +;------------------------------------------------------------------------------ + + .code + +;------------------------------------------------------------------------------ +; VOID * +; InternalMemZeroMem ( +; IN VOID *Buffer, +; IN UINTN Count +; ); +;------------------------------------------------------------------------------ +InternalMemZeroMem PROC USES rdi + mov rdi, rcx + mov rcx, rdx + mov r8, rdi + and edx, 7 + shr rcx, 3 + jz @ZeroBytes + DB 0fh, 0efh, 0c0h ; pxor mm0, mm0 +@@: + DB 0fh, 0e7h, 7 ; movntq [rdi], mm0 + add rdi, 8 + loop @B + DB 0fh, 0aeh, 0f0h ; mfence +@ZeroBytes: + xor eax, eax + mov ecx, edx + rep stosb + mov rax, r8 + ret +InternalMemZeroMem ENDP + + END diff --git a/MdePkg/Library/BaseMemoryLibMmx/ZeroMemWrapper.c b/MdePkg/Library/BaseMemoryLibMmx/ZeroMemWrapper.c new file mode 100644 index 0000000000..90e607c0ce --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibMmx/ZeroMemWrapper.c @@ -0,0 +1,51 @@ +/** @file + ZeroMem() implementation. + + Copyright (c) 2006, Intel Corporation
+ All rights reserved. This program and the accompanying materials + are licensed and made available under the terms and conditions of the BSD License + which accompanies this distribution. The full text of the license may be found at + http://opensource.org/licenses/bsd-license.php + + THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, + WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. + + Module Name: ZeroMemWrapper.c + + The following BaseMemoryLib instances share the same version of this file: + + BaseMemoryLib + BaseMemoryLibMmx + BaseMemoryLibSse2 + BaseMemoryLibRepStr + PeiMemoryLib + DxeMemoryLib + +**/ + +#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 Pointer to the target buffer to fill with zeros. + @param Length Number of bytes in Buffer to fill with zeros. + + @return Buffer. + +**/ +VOID * +EFIAPI +ZeroMem ( + OUT VOID *Buffer, + IN UINTN Length + ) +{ + ASSERT (!(Buffer == NULL && Length > 0)); + ASSERT (Length <= (MAX_ADDRESS - (UINTN)Buffer + 1)); + return InternalMemZeroMem (Buffer, Length); +} diff --git a/MdePkg/MdePkg.dsc b/MdePkg/MdePkg.dsc index 36403d2ab7..50cc89a1e6 100644 --- a/MdePkg/MdePkg.dsc +++ b/MdePkg/MdePkg.dsc @@ -129,6 +129,7 @@ [Components.IA32] $(WORKSPACE)/MdePkg/Library/BaseMemoryLibSse2/BaseMemoryLibSse2.inf $(WORKSPACE)/MdePkg/Library/BaseMemoryLibRepStr/BaseMemoryLibRepStr.inf + $(WORKSPACE)/MdePkg/Library/BaseMemoryLibMmx/BaseMemoryLibMmx.inf $(WORKSPACE)/MdePkg/Library/UefiRuntimeLib/UefiRuntimeLib.inf $(WORKSPACE)/MdePkg/Library/SecPeiDxeTimerLibCpu/SecPeiDxeTimerLibCpu.inf $(WORKSPACE)/MdePkg/Library/PeiServicesTablePointerLibIdt/PeiServicesTablePointerLibIdt.inf @@ -137,6 +138,7 @@ [Components.X64] $(WORKSPACE)/MdePkg/Library/BaseMemoryLibSse2/BaseMemoryLibSse2.inf $(WORKSPACE)/MdePkg/Library/BaseMemoryLibRepStr/BaseMemoryLibRepStr.inf + $(WORKSPACE)/MdePkg/Library/BaseMemoryLibMmx/BaseMemoryLibMmx.inf $(WORKSPACE)/MdePkg/Library/UefiRuntimeLib/UefiRuntimeLib.inf $(WORKSPACE)/MdePkg/Library/SecPeiDxeTimerLibCpu/SecPeiDxeTimerLibCpu.inf $(WORKSPACE)/MdePkg/Library/PeiServicesTablePointerLibIdt/PeiServicesTablePointerLibIdt.inf