diff options
Diffstat (limited to 'src/VBox/Devices/EFI/Firmware/MdePkg/Library/UefiMemoryLib/SetMemWrapper.c')
-rw-r--r-- | src/VBox/Devices/EFI/Firmware/MdePkg/Library/UefiMemoryLib/SetMemWrapper.c | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/src/VBox/Devices/EFI/Firmware/MdePkg/Library/UefiMemoryLib/SetMemWrapper.c b/src/VBox/Devices/EFI/Firmware/MdePkg/Library/UefiMemoryLib/SetMemWrapper.c new file mode 100644 index 00000000..3da80de0 --- /dev/null +++ b/src/VBox/Devices/EFI/Firmware/MdePkg/Library/UefiMemoryLib/SetMemWrapper.c @@ -0,0 +1,85 @@ +/** @file + SetMem() and SetMemN() implementation. + + The following BaseMemoryLib instances contain the same copy of this file: + + BaseMemoryLib + BaseMemoryLibMmx + BaseMemoryLibSse2 + BaseMemoryLibRepStr + BaseMemoryLibOptDxe + BaseMemoryLibOptPei + PeiMemoryLib + UefiMemoryLib + + Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR> + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#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 The number of bytes to set. + @param Value The value with which to fill Length bytes of Buffer. + + @return Buffer. + +**/ +VOID * +EFIAPI +SetMem ( + OUT VOID *Buffer, + IN UINTN Length, + IN UINT8 Value + ) +{ + if (Length == 0) { + return Buffer; + } + + ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN)Buffer)); + + return InternalMemSetMem (Buffer, Length, Value); +} + +/** + Fills a target buffer with a value that is size UINTN, and returns the target buffer. + + This function fills Length bytes of Buffer with the UINTN sized value specified by + Value, and returns Buffer. Value is repeated every sizeof(UINTN) bytes for Length + bytes of Buffer. + + If Length > 0 and Buffer is NULL, then ASSERT(). + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + If Buffer is not aligned on a UINTN boundary, then ASSERT(). + If Length is not aligned on a UINTN boundary, then ASSERT(). + + @param Buffer The pointer to the target buffer to fill. + @param Length The number of bytes in Buffer to fill. + @param Value The value with which to fill Length bytes of Buffer. + + @return Buffer. + +**/ +VOID * +EFIAPI +SetMemN ( + OUT VOID *Buffer, + IN UINTN Length, + IN UINTN Value + ) +{ + if (sizeof (UINTN) == sizeof (UINT64)) { + return SetMem64 (Buffer, Length, (UINT64)Value); + } else { + return SetMem32 (Buffer, Length, (UINT32)Value); + } +} |