Functions | |
VOID *EFIAPI | CopyMem (OUT VOID *DestinationBuffer, IN CONST VOID *SourceBuffer, IN UINTN Length) |
VOID *EFIAPI | SetMem (OUT VOID *Buffer, IN UINTN Length, IN UINT8 Value) |
VOID *EFIAPI | SetMem16 (OUT VOID *Buffer, IN UINTN Length, IN UINT16 Value) |
VOID *EFIAPI | SetMem32 (OUT VOID *Buffer, IN UINTN Length, IN UINT32 Value) |
VOID *EFIAPI | SetMem64 (OUT VOID *Buffer, IN UINTN Length, IN UINT64 Value) |
VOID *EFIAPI | SetMemN (OUT VOID *Buffer, IN UINTN Length, IN UINTN Value) |
VOID *EFIAPI | ZeroMem (OUT VOID *Buffer, IN UINTN Length) |
INTN EFIAPI | CompareMem (IN CONST VOID *DestinationBuffer, IN CONST VOID *SourceBuffer, IN UINTN Length) |
VOID *EFIAPI | ScanMem8 (IN CONST VOID *Buffer, IN UINTN Length, IN UINT8 Value) |
VOID *EFIAPI | ScanMem16 (IN CONST VOID *Buffer, IN UINTN Length, IN UINT16 Value) |
VOID *EFIAPI | ScanMem32 (IN CONST VOID *Buffer, IN UINTN Length, IN UINT32 Value) |
VOID *EFIAPI | ScanMem64 (IN CONST VOID *Buffer, IN UINTN Length, IN UINT64 Value) |
VOID *EFIAPI | ScanMemN (IN CONST VOID *Buffer, IN UINTN Length, IN UINTN Value) |
GUID *EFIAPI | CopyGuid (OUT GUID *DestinationGuid, IN CONST GUID *SourceGuid) |
BOOLEAN EFIAPI | CompareGuid (IN CONST GUID *Guid1, IN CONST GUID *Guid2) |
VOID *EFIAPI | ScanGuid (IN CONST VOID *Buffer, IN UINTN Length, IN CONST GUID *Guid) |
The Base Memory Library provides optimized implementations for common memory-based operations. These functions should be used in place of coding your own loops to do equivalent common functions. This allows optimized library implementations to help increase performance.
Copyright (c) 2006 - 2010, 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 that 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.
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().
TRUE | Guid1 and Guid2 are identical. | |
FALSE | Guid1 and Guid2 are not identical. |
References CONST, and ReadUnaligned64().
Referenced by DevPathToTextRamDisk(), DevPathToTextVendor(), EfiGetSystemConfigurationTable(), ExtractGuidedSectionDecode(), ExtractGuidedSectionGetHandlers(), ExtractGuidedSectionGetInfo(), ExtractGuidedSectionRegisterHandlers(), GetNextGuidHob(), HstiAipGetInfo(), HstiAipSetInfo(), InternalHstiFindAip(), PeiGetExtractGuidedSectionHandlerInfo(), and ScanGuid().
INTN EFIAPI CompareMem | ( | IN CONST VOID * | DestinationBuffer, | |
IN CONST VOID * | SourceBuffer, | |||
IN UINTN | Length | |||
) |
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().
DestinationBuffer | The pointer to the destination buffer to compare. | |
SourceBuffer | The pointer to the source buffer to compare. | |
Length | The number of bytes to compare. |
Non-zero | The first mismatched byte in SourceBuffer subtracted from the first mismatched byte in DestinationBuffer. |
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().
DestinationBuffer | A pointer to the destination buffer to compare. | |
SourceBuffer | A pointer to the source buffer to compare. | |
Length | The number of bytes to compare. |
Non-zero | The first mismatched byte in SourceBuffer subtracted from the first mismatched byte in DestinationBuffer. |
References ASSERT, InternalMemCompareMem(), MAX_ADDRESS, and NULL.
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().
DestinationGuid | The pointer to the destination GUID. | |
SourceGuid | The pointer to the source 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().
DestinationGuid | A pointer to the destination GUID. | |
SourceGuid | A pointer to the source GUID. |
References CONST, ReadUnaligned64(), and WriteUnaligned64().
Referenced by BuildBspStoreHob(), BuildFv2Hob(), BuildGuidHob(), BuildModuleHob(), BuildResourceDescriptorWithOwnerHob(), BuildStackHob(), DevPathFromTextDebugPort(), DevPathFromTextPersistentVirtualCd(), DevPathFromTextPersistentVirtualDisk(), DevPathFromTextSAS(), DevPathFromTextUartFlowCtrl(), DevPathFromTextVenPcAnsi(), DevPathFromTextVenUtf8(), DevPathFromTextVenVt100(), DevPathFromTextVenVt100Plus(), DevPathFromTextVirtualCd(), DevPathFromTextVirtualDisk(), EfiInitializeFwVolDevicepathNode(), ExtractGuidedSectionRegisterHandlers(), and InternalPeiServicesInstallFvInfoPpi().
VOID* EFIAPI CopyMem | ( | OUT VOID * | DestinationBuffer, | |
IN CONST VOID * | SourceBuffer, | |||
IN UINTN | Length | |||
) |
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().
DestinationBuffer | The pointer to the destination buffer of the memory copy. | |
SourceBuffer | The pointer to the source buffer of the memory copy. | |
Length | The number of bytes to copy from SourceBuffer to DestinationBuffer. |
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().
DestinationBuffer | A pointer to the destination buffer of the memory copy. | |
SourceBuffer | A pointer to the source buffer of the memory copy. | |
Length | The number of bytes to copy from SourceBuffer to DestinationBuffer. |
References ASSERT, InternalMemCopyMem(), and MAX_ADDRESS.
Referenced by AddUnicodeString(), AddUnicodeString2(), AllocateCopyPool(), AsmPrepareThunk16(), AsmThunk16(), BuildGuidDataHob(), CreatePopUp(), DevPathFromTextHD(), DevPathFromTextInfiniband(), DevPathFromTextUsbWwid(), DevPathFromTextWiFi(), DevPathToTextUri(), DevPathToTextWiFi(), FileDevicePath(), GetBestLanguage(), HstiAipSetInfo(), HstiLibSetTable(), InternalAllocateCopyPool(), InternalHstiIsValidTable(), InternalHstiRecordErrorString(), InternalMemCopyMem(), InternalPrintGraphic(), InternalReallocatePool(), LibPatchPcdSetPtr(), LibPatchPcdSetPtrAndSize(), LibPatchPcdSetPtrAndSizeS(), LibPatchPcdSetPtrS(), MigratePeiServicesTablePointer(), PathCleanUpDirectories(), PeCoffLoaderImageReadFromMemory(), PeCoffLoaderLoadImage(), PeCoffLoaderRelocateImageEx(), SetDevicePathEndNode(), SmBusBlockProcessCall(), SmmCopyMem(), SmmCopyMemFromSmram(), SmmCopyMemToSmram(), StrnCatGrowLeft(), UefiDevicePathLibAppendDevicePath(), UefiDevicePathLibAppendDevicePathInstance(), and UefiDevicePathLibAppendDevicePathNode().
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().
Buffer | The pointer to the target buffer to scan. | |
Length | The number of bytes in Buffer to scan. | |
Guid | The value to search for in the target buffer. |
This function searches the target buffer specified by Buffer and Length from the lowest address to the highest address at 128-bit increments for the 128-bit GUID value that matches Guid. If a match is found, then a pointer to the matching GUID in the target buffer is returned. If no match is found, then NULL is returned. If Length is 0, then NULL is returned.
If Length > 0 and Buffer is NULL, then ASSERT(). If Buffer is not aligned on a 32-bit boundary, then ASSERT(). If Length is not aligned on a 128-bit boundary, then ASSERT(). If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
Buffer | The pointer to the target buffer to scan. | |
Length | The number of bytes in Buffer to scan. | |
Guid | The value to search for in the target buffer. |
References ASSERT, CompareGuid(), CONST, MAX_ADDRESS, NULL, and VOID.
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().
Buffer | The pointer to the target buffer to scan. | |
Length | The number of bytes in Buffer to scan. | |
Value | The value to search for in the target buffer. |
This function searches the target buffer specified by Buffer and Length from the lowest address to the highest address for a 16-bit value that matches Value. If a match is found, then a pointer to the matching byte in the target buffer is returned. If no match is found, then NULL is returned. If Length is 0, then NULL is returned.
If Length > 0 and Buffer is NULL, then ASSERT(). If Buffer is not aligned on a 16-bit boundary, then ASSERT(). If Length is not aligned on a 16-bit boundary, then ASSERT(). If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
Buffer | The pointer to the target buffer to scan. | |
Length | The number of bytes in Buffer to scan. | |
Value | The value to search for in the target buffer. |
References ASSERT, InternalMemScanMem16(), MAX_ADDRESS, NULL, and VOID.
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().
Buffer | The pointer to the target buffer to scan. | |
Length | The number of bytes in Buffer to scan. | |
Value | The value to search for in the target buffer. |
This function searches the target buffer specified by Buffer and Length from the lowest address to the highest address for a 32-bit value that matches Value. If a match is found, then a pointer to the matching byte in the target buffer is returned. If no match is found, then NULL is returned. If Length is 0, then NULL is returned.
If Length > 0 and Buffer is NULL, then ASSERT(). If Buffer is not aligned on a 32-bit boundary, then ASSERT(). If Length is not aligned on a 32-bit boundary, then ASSERT(). If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
Buffer | The pointer to the target buffer to scan. | |
Length | The number of bytes in Buffer to scan. | |
Value | The value to search for in the target buffer. |
This function searches the target buffer specified by Buffer and Length from the lowest address to the highest address for a 32-bit value that matches Value. If a match is found, then a pointer to the matching byte in the target buffer is returned. If no match is found, then NULL is returned. If Length is 0, then NULL is returned.
If Length > 0 and Buffer is NULL, then ASSERT(). If Buffer is not aligned on a 32-bit boundary, then ASSERT(). If Length is not aligned on a 32-bit boundary, then ASSERT(). If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
Buffer | The pointer to the target buffer to scan. | |
Length | The number of bytes in Buffer to scan. | |
Value | Thevalue to search for in the target buffer. |
References ASSERT, InternalMemScanMem32(), MAX_ADDRESS, NULL, and VOID.
Referenced by ScanMemN().
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().
Buffer | The pointer to the target buffer to scan. | |
Length | The number of bytes in Buffer to scan. | |
Value | The value to search for in the target buffer. |
This function searches the target buffer specified by Buffer and Length from the lowest address to the highest address for a 64-bit value that matches Value. If a match is found, then a pointer to the matching byte in the target buffer is returned. If no match is found, then NULL is returned. If Length is 0, then NULL is returned.
If Length > 0 and Buffer is NULL, then ASSERT(). If Buffer is not aligned on a 64-bit boundary, then ASSERT(). If Length is not aligned on a 64-bit boundary, then ASSERT(). If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
Buffer | The pointer to the target buffer to scan. | |
Length | The number of bytes in Buffer to scan. | |
Value | The value to search for in the target buffer. |
References ASSERT, InternalMemScanMem64(), MAX_ADDRESS, NULL, and VOID.
Referenced by ScanMemN().
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().
Buffer | The pointer to the target buffer to scan. | |
Length | The number of bytes in Buffer to scan. | |
Value | The value to search for in the target buffer. |
This function searches the target buffer specified by Buffer and Length from the lowest address to the highest address for an 8-bit value that matches Value. If a match is found, then a pointer to the matching byte in the target buffer is returned. If no match is found, then NULL is returned. If Length is 0, then NULL is returned.
If Length > 0 and Buffer is NULL, then ASSERT(). If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
Buffer | The pointer to the target buffer to scan. | |
Length | The number of bytes in Buffer to scan. | |
Value | The value to search for in the target buffer. |
This function searches the target buffer specified by Buffer and Length from the lowest address to the highest address for an 8-bit value that matches Value. If a match is found, then a pointer to the matching byte in the target buffer is returned. If no match is found, then NULL is returned. If Length is 0, then NULL is returned.
If Length > 0 and Buffer is NULL, then ASSERT(). If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
Buffer | The pointer to the target buffer to scan. | |
Length | The number of bytes in Buffer to scan. | |
Value | The value to search for in the target buffer. |
References ASSERT, InternalMemScanMem8(), MAX_ADDRESS, NULL, and VOID.
VOID* EFIAPI ScanMemN | ( | IN CONST VOID * | Buffer, | |
IN UINTN | Length, | |||
IN UINTN | Value | |||
) |
Scans a target buffer for a UINTN sized value, and returns a pointer to the matching UINTN sized value in the target buffer.
This function searches target the buffer specified by Buffer and Length from the lowest address to the highest address for a UINTN sized value that matches Value. If a match is found, then a pointer to the matching byte in the target buffer is returned. If no match is found, then NULL is returned. If Length is 0, then NULL is returned.
If Length > 0 and Buffer is NULL, then ASSERT(). If Buffer is not aligned on a UINTN boundary, then ASSERT(). If Length is not aligned on a UINTN boundary, then ASSERT(). If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
Buffer | The pointer to the target buffer to scan. | |
Length | The number of bytes in Buffer to scan. | |
Value | The value to search for in the target buffer. |
This function searches the target buffer specified by Buffer and Length from the lowest address to the highest address for a UINTN sized value that matches Value. If a match is found, then a pointer to the matching byte in the target buffer is returned. If no match is found, then NULL is returned. If Length is 0, then NULL is returned.
If Length > 0 and Buffer is NULL, then ASSERT(). If Buffer is not aligned on a UINTN boundary, then ASSERT(). If Length is not aligned on a UINTN boundary, then ASSERT(). If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
Buffer | The pointer to the target buffer to scan. | |
Length | The number of bytes in Buffer to scan. | |
Value | The value to search for in the target buffer. |
This function searches the target buffer specified by Buffer and Length from the lowest address to the highest address for a UINTN sized value that matches Value. If a match is found, then a pointer to the matching byte in the target buffer is returned. If no match is found, then NULL is returned. If Length is 0, then NULL is returned.
If Length > 0 and Buffer is NULL, then ASSERT(). If Buffer is not aligned on a UINTN boundary, then ASSERT(). If Length is not aligned on a UINTN boundary, then ASSERT(). If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
Buffer | The pointer to the target buffer to scan. | |
Length | The number of bytes in Buffer to scan. | |
Value | The value to search for in the target buffer. |
This function searches the target buffer specified by Buffer and Length from the lowest address to the highest address for a UINTN sized value that matches Value. If a match is found, then a pointer to the matching byte in the target buffer is returned. If no match is found, then NULL is returned. If Length is 0, then NULL is returned.
If Length > 0 and Buffer is NULL, then ASSERT(). If Buffer is not aligned on a UINTN boundary, then ASSERT(). If Length is not aligned on a UINTN boundary, then ASSERT(). If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
Buffer | The pointer to the target buffer to scan. | |
Length | The number of bytes in Buffer to scan. | |
Value | The value to search for in the target buffer. |
References ScanMem32(), and ScanMem64().
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().
Buffer | The memory to set. | |
Length | The number of bytes to set. | |
Value | The value with which to fill Length bytes of Buffer. |
This function fills Length bytes of Buffer with Value, and returns Buffer.
If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
Buffer | Memory to set. | |
Length | The number of bytes to set. | |
Value | The value with which to fill Length bytes of Buffer. |
References ASSERT, InternalMemSetMem(), and MAX_ADDRESS.
Referenced by DebugClearMemory(), InternalMemSetMem(), ReadCLen(), ReadPTLen(), SmmSetMem(), and UefiDecompress().
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().
Buffer | The pointer to the target buffer to fill. | |
Length | The number of bytes in Buffer to fill. | |
Value | The value with which to fill Length bytes of Buffer. |
References ASSERT, InternalMemSetMem16(), MAX_ADDRESS, and NULL.
Referenced by CreatePopUp(), MakeTable(), ReadCLen(), and ReadPTLen().
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().
Buffer | The pointer to the target buffer to fill. | |
Length | The number of bytes in Buffer to fill. | |
Value | The value with which to fill Length bytes of Buffer. |
References ASSERT, InternalMemSetMem32(), MAX_ADDRESS, and NULL.
Referenced by SetMemN().
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().
Buffer | The pointer to the target buffer to fill. | |
Length | The number of bytes in Buffer to fill. | |
Value | The value with which to fill Length bytes of Buffer. |
References ASSERT, InternalMemSetMem64(), MAX_ADDRESS, and NULL.
Referenced by SetMemN().
VOID* EFIAPI SetMemN | ( | OUT VOID * | Buffer, | |
IN UINTN | Length, | |||
IN UINTN | Value | |||
) |
Fills a target buffer with a value that is size UINTN, and returns the target buffer.
This function fills Length bytes of Buffer with the UINTN sized value specified by Value, and returns Buffer. Value is repeated every sizeof(UINTN) bytes for Length bytes of Buffer.
If Length > 0 and Buffer is NULL, then ASSERT(). If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). If Buffer is not aligned on a UINTN boundary, then ASSERT(). If Length is not aligned on a UINTN boundary, then ASSERT().
Buffer | The pointer to the target buffer to fill. | |
Length | The number of bytes in Buffer to fill. | |
Value | The value with which to fill Length bytes of Buffer. |
References SetMem32(), and SetMem64().
VOID* EFIAPI ZeroMem | ( | OUT VOID * | Buffer, | |
IN UINTN | Length | |||
) |
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().
Buffer | The pointer to the target buffer to fill with zeros. | |
Length | The number of bytes in Buffer to fill with zeros. |
References ASSERT, InternalMemZeroMem(), MAX_ADDRESS, and NULL.
Referenced by AllocateZeroPool(), AsciiStrnCpy(), BuildBspStoreHob(), BuildCpuHob(), BuildMemoryAllocationHob(), BuildModuleHob(), BuildResourceDescriptorHob(), BuildStackHob(), DevPathFromTextHD(), DevPathFromTextIPv4(), DevPathFromTextIPv6(), FileHandleReadLine(), HstiLibSetTable(), InternalAllocateZeroPool(), InternalPrintGraphic(), PeCoffLoaderLoadImage(), PeriodicSmiEnable(), ScsiInquiryCommandEx(), ScsiModeSense10Command(), ScsiRead10Command(), ScsiRead16Command(), ScsiReadCapacity16Command(), ScsiReadCapacityCommand(), ScsiRequestSenseCommand(), ScsiTestUnitReadyCommand(), ScsiWrite10Command(), ScsiWrite16Command(), StrnCpy(), UefiDevicePathLibConvertDeviceNodeToText(), UefiDevicePathLibConvertDevicePathToText(), UsbClearEndpointHalt(), UsbClearFeature(), UsbGetConfiguration(), UsbGetDescriptor(), UsbGetInterface(), UsbGetStatus(), UsbSetConfiguration(), UsbSetDescriptor(), UsbSetFeature(), and UsbSetInterface().