diff options
| author | xli24 <xli24@6f19259b-4bc3-4df7-8a09-765794883524> | 2008-10-25 16:03:02 +0000 |
|---|---|---|
| committer | xli24 <xli24@6f19259b-4bc3-4df7-8a09-765794883524> | 2008-10-25 16:03:02 +0000 |
| commit | 677472aae4923fedd82249021e872219389542f5 (patch) | |
| tree | df2edb265dd864d1d2da5d76fb714ba22c2c7d26 /MdePkg/Library/UefiMemoryLib | |
| parent | 7e43ed89b28a1ce91ccf30bcb9d4ccaab966d0a4 (diff) | |
| download | edk2-677472aae4923fedd82249021e872219389542f5.tar.gz edk2-677472aae4923fedd82249021e872219389542f5.tar.bz2 edk2-677472aae4923fedd82249021e872219389542f5.zip | |
1. Rename following library instances according to MDE Library Spec:
1) SerialPortLibNull => BaseSerialPortLibNull
2) DxeMemoryLib => UefiMemoryLib
3) DxeMemoryAllocationLib => UefiMemoryAllocationLib
4) CpuLib => BaseCpuLib
5) HiiLib => UefiHiiLib
6) IfrSupportLib => UefiIfrSupportLib
7) PeiPalCallLib => PeiPalLib
2. Add library instances to MDE package
1) DxePalLib
2) FvbServiceLib
3) GraphicsLib
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6221 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdePkg/Library/UefiMemoryLib')
| -rw-r--r-- | MdePkg/Library/UefiMemoryLib/CompareMemWrapper.c | 67 | ||||
| -rw-r--r-- | MdePkg/Library/UefiMemoryLib/CopyMemWrapper.c | 62 | ||||
| -rw-r--r-- | MdePkg/Library/UefiMemoryLib/MemLib.c | 63 | ||||
| -rw-r--r-- | MdePkg/Library/UefiMemoryLib/MemLibGeneric.c | 261 | ||||
| -rw-r--r-- | MdePkg/Library/UefiMemoryLib/MemLibGuid.c | 139 | ||||
| -rw-r--r-- | MdePkg/Library/UefiMemoryLib/MemLibInternals.h | 241 | ||||
| -rw-r--r-- | MdePkg/Library/UefiMemoryLib/ScanMem16Wrapper.c | 67 | ||||
| -rw-r--r-- | MdePkg/Library/UefiMemoryLib/ScanMem32Wrapper.c | 66 | ||||
| -rw-r--r-- | MdePkg/Library/UefiMemoryLib/ScanMem64Wrapper.c | 66 | ||||
| -rw-r--r-- | MdePkg/Library/UefiMemoryLib/ScanMem8Wrapper.c | 62 | ||||
| -rw-r--r-- | MdePkg/Library/UefiMemoryLib/SetMem16Wrapper.c | 65 | ||||
| -rw-r--r-- | MdePkg/Library/UefiMemoryLib/SetMem32Wrapper.c | 66 | ||||
| -rw-r--r-- | MdePkg/Library/UefiMemoryLib/SetMem64Wrapper.c | 66 | ||||
| -rw-r--r-- | MdePkg/Library/UefiMemoryLib/SetMemWrapper.c | 56 | ||||
| -rw-r--r-- | MdePkg/Library/UefiMemoryLib/UefiMemoryLib.inf | 59 | ||||
| -rw-r--r-- | MdePkg/Library/UefiMemoryLib/ZeroMemWrapper.c | 52 |
16 files changed, 1458 insertions, 0 deletions
diff --git a/MdePkg/Library/UefiMemoryLib/CompareMemWrapper.c b/MdePkg/Library/UefiMemoryLib/CompareMemWrapper.c new file mode 100644 index 0000000000..466a10eb41 --- /dev/null +++ b/MdePkg/Library/UefiMemoryLib/CompareMemWrapper.c @@ -0,0 +1,67 @@ +/** @file
+ CompareMem() implementation.
+
+ Copyright (c) 2006, Intel Corporation<BR>
+ 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.
+
+ The following BaseMemoryLib instances contain the same copy of this file:
+
+ BaseMemoryLib
+ BaseMemoryLibMmx
+ BaseMemoryLibSse2
+ BaseMemoryLibRepStr
+ BaseMemoryLibOptDxe
+ BaseMemoryLibOptPei
+ 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, then ASSERT().
+ If Length > 0 and SourceBuffer is NULL, then ASSERT().
+ If Length is greater than (MAX_ADDRESS - DestinationBuffer + 1), then ASSERT().
+ If Length is greater than (MAX_ADDRESS - SourceBuffer + 1), then ASSERT().
+
+
+ @param DestinationBuffer 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 || DestinationBuffer == SourceBuffer) {
+ return 0;
+ }
+ ASSERT (DestinationBuffer != NULL);
+ ASSERT (SourceBuffer != NULL);
+ ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN)DestinationBuffer));
+ ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN)SourceBuffer));
+
+ return InternalMemCompareMem (DestinationBuffer, SourceBuffer, Length);
+}
diff --git a/MdePkg/Library/UefiMemoryLib/CopyMemWrapper.c b/MdePkg/Library/UefiMemoryLib/CopyMemWrapper.c new file mode 100644 index 0000000000..99870bcc83 --- /dev/null +++ b/MdePkg/Library/UefiMemoryLib/CopyMemWrapper.c @@ -0,0 +1,62 @@ +/** @file
+ CopyMem() implementation.
+
+ Copyright (c) 2006, Intel Corporation<BR>
+ 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.
+
+ The following BaseMemoryLib instances contain the same copy of this file:
+
+ BaseMemoryLib
+ BaseMemoryLibMmx
+ BaseMemoryLibSse2
+ BaseMemoryLibRepStr
+ BaseMemoryLibOptDxe
+ BaseMemoryLibOptPei
+ 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/UefiMemoryLib/MemLib.c b/MdePkg/Library/UefiMemoryLib/MemLib.c new file mode 100644 index 0000000000..5489fd0f08 --- /dev/null +++ b/MdePkg/Library/UefiMemoryLib/MemLib.c @@ -0,0 +1,63 @@ +/** @file
+ Base Memory Library functions implementation bases on Uefi Boot Service.
+
+ Copyright (c) 2006 - 2008, Intel Corporation<BR>
+ 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.
+
+**/
+
+#include "MemLibInternals.h"
+
+/**
+ Copies a source buffer to a destination buffer, and returns the destination buffer.
+
+ This function wraps the gBS->CopyMem().
+
+ @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
+InternalMemCopyMem (
+ OUT VOID *Destination,
+ IN CONST VOID *Source,
+ IN UINTN Length
+ )
+{
+ gBS->CopyMem (Destination, (VOID*)Source, Length);
+ return Destination;
+}
+
+/**
+ Fills a target buffer with a byte value, and returns the target buffer.
+
+ This function wraps the gBS->SetMem().
+
+ @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 Size,
+ IN UINT8 Value
+ )
+{
+ gBS->SetMem (Buffer, Size, Value);
+ return Buffer;
+}
diff --git a/MdePkg/Library/UefiMemoryLib/MemLibGeneric.c b/MdePkg/Library/UefiMemoryLib/MemLibGeneric.c new file mode 100644 index 0000000000..3ae0387883 --- /dev/null +++ b/MdePkg/Library/UefiMemoryLib/MemLibGeneric.c @@ -0,0 +1,261 @@ +/** @file
+ Architecture Independent Base Memory Library Implementation.
+
+ Copyright (c) 2006, Intel Corporation<BR>
+ 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.
+
+ The following BaseMemoryLib instances contain the same copy of this file:
+
+ BaseMemoryLib
+ PeiMemoryLib
+ DxeMemoryLib
+
+**/
+
+#include "MemLibInternals.h"
+
+/**
+ 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
+ )
+{
+ do {
+ ((UINT16*)Buffer)[--Length] = Value;
+ } while (Length != 0);
+ return Buffer;
+}
+
+/**
+ 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
+ )
+{
+ do {
+ ((UINT32*)Buffer)[--Length] = Value;
+ } while (Length != 0);
+ return Buffer;
+}
+
+/**
+ 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
+ )
+{
+ do {
+ ((UINT64*)Buffer)[--Length] = Value;
+ } while (Length != 0);
+ return Buffer;
+}
+
+/**
+ Set Buffer to 0 for Size bytes.
+
+ @param Buffer Memory to set.
+ @param Length Number of bytes to set
+
+ @return Buffer
+
+**/
+VOID *
+EFIAPI
+InternalMemZeroMem (
+ OUT VOID *Buffer,
+ IN UINTN Length
+ )
+{
+ return InternalMemSetMem (Buffer, Length, 0);
+}
+
+/**
+ 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.
+
+ @return 0 All Length bytes of the two buffers are identical.
+ @retval Non-zero The first mismatched byte in SourceBuffer subtracted from the first
+ mismatched byte in DestinationBuffer.
+
+**/
+INTN
+EFIAPI
+InternalMemCompareMem (
+ IN CONST VOID *DestinationBuffer,
+ IN CONST VOID *SourceBuffer,
+ IN UINTN Length
+ )
+{
+ while ((--Length != 0) &&
+ (*(INT8*)DestinationBuffer == *(INT8*)SourceBuffer)) {
+ DestinationBuffer = (INT8*)DestinationBuffer + 1;
+ SourceBuffer = (INT8*)SourceBuffer + 1;
+ }
+ return (INTN)*(UINT8*)DestinationBuffer - (INTN)*(UINT8*)SourceBuffer;
+}
+
+/**
+ 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
+ )
+{
+ CONST UINT8 *Pointer;
+
+ Pointer = (CONST UINT8*)Buffer;
+ do {
+ if (*(Pointer++) == Value) {
+ return Pointer;
+ }
+ } while (--Length != 0);
+ return NULL;
+}
+
+/**
+ 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
+ )
+{
+ CONST UINT16 *Pointer;
+
+ Pointer = (CONST UINT16*)Buffer;
+ do {
+ if (*(Pointer++) == Value) {
+ return Pointer;
+ }
+ } while (--Length != 0);
+ return NULL;
+}
+
+/**
+ 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
+ )
+{
+ CONST UINT32 *Pointer;
+
+ Pointer = (CONST UINT32*)Buffer;
+ do {
+ if (*(Pointer++) == Value) {
+ return Pointer;
+ }
+ } while (--Length != 0);
+ return NULL;
+}
+
+/**
+ 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
+ )
+{
+ CONST UINT64 *Pointer;
+
+ Pointer = (CONST UINT64*)Buffer;
+ do {
+ if (*(Pointer++) == Value) {
+ return Pointer;
+ }
+ } while (--Length != 0);
+ return NULL;
+}
diff --git a/MdePkg/Library/UefiMemoryLib/MemLibGuid.c b/MdePkg/Library/UefiMemoryLib/MemLibGuid.c new file mode 100644 index 0000000000..4c6c615aa3 --- /dev/null +++ b/MdePkg/Library/UefiMemoryLib/MemLibGuid.c @@ -0,0 +1,139 @@ +/** @file
+ Implementation of GUID functions.
+
+ Copyright (c) 2006, Intel Corporation<BR>
+ 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.
+
+ The following BaseMemoryLib instances contain the same copy of this file:
+
+ BaseMemoryLib
+ BaseMemoryLibMmx
+ BaseMemoryLibSse2
+ BaseMemoryLibRepStr
+ BaseMemoryLibOptDxe
+ BaseMemoryLibOptPei
+ 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/UefiMemoryLib/MemLibInternals.h b/MdePkg/Library/UefiMemoryLib/MemLibInternals.h new file mode 100644 index 0000000000..27c3c71851 --- /dev/null +++ b/MdePkg/Library/UefiMemoryLib/MemLibInternals.h @@ -0,0 +1,241 @@ +/** @file
+ Declaration of internal functions for Base Memory Library.
+
+ Copyright (c) 2006, Intel Corporation<BR>
+ 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.
+
+ The following BaseMemoryLib instances contain the same copy of this file:
+
+ BaseMemoryLib
+ BaseMemoryLibMmx
+ BaseMemoryLibSse2
+ BaseMemoryLibRepStr
+ BaseMemoryLibOptDxe
+ BaseMemoryLibOptPei
+ PeiMemoryLib
+ DxeMemoryLib
+
+**/
+
+#ifndef __MEM_LIB_INTERNALS__
+#define __MEM_LIB_INTERNALS__
+
+
+#include <Uefi.h>
+
+
+#include <Library/BaseMemoryLib.h>
+#include <Library/DebugLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/BaseLib.h>
+
+/**
+ Copy Length bytes from Source to Destination.
+
+ @param DestinationBuffer Target of copy
+ @param SourceBuffer 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 Length 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 Length 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.
+
+ @return 0 All Length bytes of the two buffers are identical.
+ @retval Non-zero The first mismatched byte in SourceBuffer subtracted from the first
+ mismatched byte in DestinationBuffer.
+
+**/
+INTN
+EFIAPI
+InternalMemCompareMem (
+ IN CONST VOID *DestinationBuffer,
+ IN CONST VOID *SourceBuffer,
+ IN UINTN Length
+ );
+
+/**
+ Scans a target buffer for an 8-bit value, and returns a pointer to the
+ matching 8-bit value in the target buffer.
+
+ @param Buffer 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/UefiMemoryLib/ScanMem16Wrapper.c b/MdePkg/Library/UefiMemoryLib/ScanMem16Wrapper.c new file mode 100644 index 0000000000..e11c4844b7 --- /dev/null +++ b/MdePkg/Library/UefiMemoryLib/ScanMem16Wrapper.c @@ -0,0 +1,67 @@ +/** @file
+ ScanMem16() implementation.
+
+ Copyright (c) 2006, Intel Corporation<BR>
+ 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.
+
+ The following BaseMemoryLib instances contain the same copy of this file:
+
+ BaseMemoryLib
+ BaseMemoryLibMmx
+ BaseMemoryLibSse2
+ BaseMemoryLibRepStr
+ BaseMemoryLibOptDxe
+ BaseMemoryLibOptPei
+ 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/UefiMemoryLib/ScanMem32Wrapper.c b/MdePkg/Library/UefiMemoryLib/ScanMem32Wrapper.c new file mode 100644 index 0000000000..52f2d2d603 --- /dev/null +++ b/MdePkg/Library/UefiMemoryLib/ScanMem32Wrapper.c @@ -0,0 +1,66 @@ +/** @file
+ ScanMem32() implementation.
+
+ Copyright (c) 2006, Intel Corporation<BR>
+ 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.
+
+ The following BaseMemoryLib instances contain the same copy of this file:
+
+ BaseMemoryLib
+ BaseMemoryLibMmx
+ BaseMemoryLibSse2
+ BaseMemoryLibRepStr
+ BaseMemoryLibOptDxe
+ BaseMemoryLibOptPei
+ 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/UefiMemoryLib/ScanMem64Wrapper.c b/MdePkg/Library/UefiMemoryLib/ScanMem64Wrapper.c new file mode 100644 index 0000000000..642420b1c9 --- /dev/null +++ b/MdePkg/Library/UefiMemoryLib/ScanMem64Wrapper.c @@ -0,0 +1,66 @@ +/** @file
+ ScanMem64() implementation.
+
+ Copyright (c) 2006, Intel Corporation<BR>
+ 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.
+
+ The following BaseMemoryLib instances contain the same copy of this file:
+
+ BaseMemoryLib
+ BaseMemoryLibMmx
+ BaseMemoryLibSse2
+ BaseMemoryLibRepStr
+ BaseMemoryLibOptDxe
+ BaseMemoryLibOptPei
+ 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/UefiMemoryLib/ScanMem8Wrapper.c b/MdePkg/Library/UefiMemoryLib/ScanMem8Wrapper.c new file mode 100644 index 0000000000..9dc9343eb2 --- /dev/null +++ b/MdePkg/Library/UefiMemoryLib/ScanMem8Wrapper.c @@ -0,0 +1,62 @@ +/** @file
+ ScanMem8() implementation.
+
+ Copyright (c) 2006, Intel Corporation<BR>
+ 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.
+
+ The following BaseMemoryLib instances contain the same copy of this file:
+
+ BaseMemoryLib
+ BaseMemoryLibMmx
+ BaseMemoryLibSse2
+ BaseMemoryLibRepStr
+ BaseMemoryLibOptDxe
+ BaseMemoryLibOptPei
+ 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/UefiMemoryLib/SetMem16Wrapper.c b/MdePkg/Library/UefiMemoryLib/SetMem16Wrapper.c new file mode 100644 index 0000000000..c5a6f8f7dc --- /dev/null +++ b/MdePkg/Library/UefiMemoryLib/SetMem16Wrapper.c @@ -0,0 +1,65 @@ +/** @file
+ SetMem16() implementation.
+
+ Copyright (c) 2006, Intel Corporation<BR>
+ 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.
+
+ The following BaseMemoryLib instances contain the same copy of this file:
+
+ BaseMemoryLib
+ BaseMemoryLibMmx
+ BaseMemoryLibSse2
+ BaseMemoryLibRepStr
+ BaseMemoryLibOptDxe
+ BaseMemoryLibOptPei
+ 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/UefiMemoryLib/SetMem32Wrapper.c b/MdePkg/Library/UefiMemoryLib/SetMem32Wrapper.c new file mode 100644 index 0000000000..c5da3d6941 --- /dev/null +++ b/MdePkg/Library/UefiMemoryLib/SetMem32Wrapper.c @@ -0,0 +1,66 @@ +/** @file
+ SetMem32() implementation.
+
+ Copyright (c) 2006, Intel Corporation<BR>
+ 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.
+
+ The following BaseMemoryLib instances contain the same copy of this file:
+
+ BaseMemoryLib
+ BaseMemoryLibMmx
+ BaseMemoryLibSse2
+ BaseMemoryLibRepStr
+ BaseMemoryLibOptDxe
+ BaseMemoryLibOptPei
+ 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/UefiMemoryLib/SetMem64Wrapper.c b/MdePkg/Library/UefiMemoryLib/SetMem64Wrapper.c new file mode 100644 index 0000000000..129a38ec8d --- /dev/null +++ b/MdePkg/Library/UefiMemoryLib/SetMem64Wrapper.c @@ -0,0 +1,66 @@ +/** @file
+ SetMem64() implementation.
+
+ Copyright (c) 2006, Intel Corporation<BR>
+ 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.
+
+ The following BaseMemoryLib instances contain the same copy of this file:
+
+ BaseMemoryLib
+ BaseMemoryLibMmx
+ BaseMemoryLibSse2
+ BaseMemoryLibRepStr
+ BaseMemoryLibOptDxe
+ BaseMemoryLibOptPei
+ 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/UefiMemoryLib/SetMemWrapper.c b/MdePkg/Library/UefiMemoryLib/SetMemWrapper.c new file mode 100644 index 0000000000..2b25f5fb35 --- /dev/null +++ b/MdePkg/Library/UefiMemoryLib/SetMemWrapper.c @@ -0,0 +1,56 @@ +/** @file
+ SetMem() implementation.
+
+ Copyright (c) 2006, Intel Corporation<BR>
+ 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.
+
+ The following BaseMemoryLib instances contain the same copy of this file:
+
+ BaseMemoryLib
+ BaseMemoryLibMmx
+ BaseMemoryLibSse2
+ BaseMemoryLibRepStr
+ BaseMemoryLibOptDxe
+ BaseMemoryLibOptPei
+ 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/UefiMemoryLib/UefiMemoryLib.inf b/MdePkg/Library/UefiMemoryLib/UefiMemoryLib.inf new file mode 100644 index 0000000000..648a69dd17 --- /dev/null +++ b/MdePkg/Library/UefiMemoryLib/UefiMemoryLib.inf @@ -0,0 +1,59 @@ +#/** @file
+# Component description file for Dxe Memory Library.
+#
+# Base Memory Library implementation that uses EFI Boot Services
+# where possible for size reduction.
+# 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 = UefiMemoryLib
+ FILE_GUID = f1bbe03d-2f28-4dee-bec7-d98d7a30c36a
+ MODULE_TYPE = UEFI_DRIVER
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = BaseMemoryLib|DXE_DRIVER DXE_RUNTIME_DRIVER DXE_SAL_DRIVER DXE_SMM_DRIVER UEFI_APPLICATION UEFI_DRIVER
+ EDK_RELEASE_VERSION = 0x00020000
+ EFI_SPECIFICATION_VERSION = 0x00020000
+
+
+#
+# VALID_ARCHITECTURES = IA32 X64 IPF EBC
+#
+
+[Sources.common]
+ ScanMem64Wrapper.c
+ ScanMem32Wrapper.c
+ ScanMem16Wrapper.c
+ ScanMem8Wrapper.c
+ ZeroMemWrapper.c
+ CompareMemWrapper.c
+ SetMem64Wrapper.c
+ SetMem32Wrapper.c
+ SetMem16Wrapper.c
+ SetMemWrapper.c
+ CopyMemWrapper.c
+ MemLibGeneric.c
+ MemLibGuid.c
+ MemLib.c
+ MemLibInternals.h
+
+
+[Packages]
+ MdePkg/MdePkg.dec
+
+
+[LibraryClasses]
+ BaseLib
+ UefiBootServicesTableLib
+ DebugLib
+
diff --git a/MdePkg/Library/UefiMemoryLib/ZeroMemWrapper.c b/MdePkg/Library/UefiMemoryLib/ZeroMemWrapper.c new file mode 100644 index 0000000000..30c848a46d --- /dev/null +++ b/MdePkg/Library/UefiMemoryLib/ZeroMemWrapper.c @@ -0,0 +1,52 @@ +/** @file
+ ZeroMem() implementation.
+
+ Copyright (c) 2006, Intel Corporation<BR>
+ 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.
+
+ The following BaseMemoryLib instances contain the same copy of this file:
+
+ BaseMemoryLib
+ BaseMemoryLibMmx
+ BaseMemoryLibSse2
+ BaseMemoryLibRepStr
+ BaseMemoryLibOptDxe
+ BaseMemoryLibOptPei
+ 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);
+}
|