projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| b341712e | 1 | #\r |
| 2 | # ConvertAsm.py: Automatically generated from CompareMem.asm\r | |
| 3 | #\r | |
| 4 | #------------------------------------------------------------------------------\r | |
| 5 | #\r | |
| 2c7e5c2f HT |
6 | # Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>\r |
| 7 | # This program and the accompanying materials\r | |
| b341712e | 8 | # are licensed and made available under the terms and conditions of the BSD License\r |
| 9 | # which accompanies this distribution. The full text of the license may be found at\r | |
| 10 | # http://opensource.org/licenses/bsd-license.php\r | |
| 11 | #\r | |
| 12 | # THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
| 13 | # WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
| 14 | #\r | |
| 15 | # Module Name:\r | |
| 16 | #\r | |
| 17 | # CompareMem.S\r | |
| 18 | #\r | |
| 19 | # Abstract:\r | |
| 20 | #\r | |
| 21 | # CompareMem function\r | |
| 22 | #\r | |
| 23 | # Notes:\r | |
| 24 | #\r | |
| 25 | # The following BaseMemoryLib instances share the same version of this file:\r | |
| 26 | #\r | |
| 27 | # BaseMemoryLibRepStr\r | |
| 28 | # BaseMemoryLibMmx\r | |
| 29 | # BaseMemoryLibSse2\r | |
| 30 | #\r | |
| 31 | #------------------------------------------------------------------------------\r | |
| 32 | \r | |
| 33 | #include <EdkIIGlueBase.h>\r | |
| 34 | #------------------------------------------------------------------------------\r | |
| 35 | # INTN\r | |
| 36 | # EFIAPI\r | |
| 37 | # InternalMemCompareMem (\r | |
| 38 | # IN CONST VOID *DestinationBuffer,\r | |
| 39 | # IN CONST VOID *SourceBuffer,\r | |
| 40 | # IN UINTN Length\r | |
| 41 | # );\r | |
| 42 | #------------------------------------------------------------------------------\r | |
| b341712e | 43 | .globl ASM_PFX(InternalMemCompareMem)\r |
| 44 | ASM_PFX(InternalMemCompareMem):\r | |
| 86345de5 | 45 | pushq %rsi\r |
| 46 | pushq %rdi\r | |
| 47 | movq %rcx, %rsi\r | |
| 48 | movq %rdx, %rdi\r | |
| 49 | movq %r8, %rcx\r | |
| b341712e | 50 | repe cmpsb\r |
| 86345de5 | 51 | movzbq -1(%rsi) , %rax\r |
| 52 | movzbq -1(%rdi) , %rdx\r | |
| 53 | subq %rdx, %rax\r | |
| 54 | popq %rdi\r | |
| 55 | popq %rsi\r | |
| b341712e | 56 | ret\r |
| 57 | \r |