projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 3402aac7 | 1 | #------------------------------------------------------------------------------\r |
| 1e57a462 | 2 | #\r |
| 3 | # Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r | |
| 284fb5c8 | 4 | # Copyright (c) 2014, ARM Ltd. All rights reserved.<BR>\r |
| 1e57a462 | 5 | #\r |
| 6 | # This program and the accompanying materials\r | |
| 7 | # are licensed and made available under the terms and conditions of the BSD License\r | |
| 8 | # which accompanies this distribution. The full text of the license may be found at\r | |
| 9 | # http://opensource.org/licenses/bsd-license.php\r | |
| 10 | #\r | |
| 11 | # THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
| 12 | # WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
| 13 | #\r | |
| 14 | #------------------------------------------------------------------------------\r | |
| 15 | \r | |
| 16 | \r | |
| 17 | .text\r | |
| 19d9bf77 | 18 | .syntax unified\r |
| 1e57a462 | 19 | .align 2\r |
| 20 | GCC_ASM_EXPORT (memset)\r | |
| 19d9bf77 AB |
21 | GCC_ASM_EXPORT (__aeabi_memset)\r |
| 22 | \r | |
| 23 | # VOID\r | |
| 24 | # EFIAPI\r | |
| 25 | # __aeabi_memset (\r | |
| 26 | # IN VOID *Destination,\r | |
| 27 | # IN UINT32 Size\r | |
| 28 | # IN UINT32 Character,\r | |
| 29 | # );\r | |
| 30 | ASM_PFX(__aeabi_memset):\r | |
| 31 | subs ip, r1, #0\r | |
| 32 | bxeq lr\r | |
| 33 | mov r1, r2\r | |
| 34 | b L10\r | |
| 1e57a462 | 35 | \r |
| 284fb5c8 OM |
36 | # VOID\r |
| 37 | # EFIAPI\r | |
| 38 | # memset (\r | |
| 39 | # IN VOID *Destination,\r | |
| 40 | # IN UINT32 Character,\r | |
| 41 | # IN UINT32 Size\r | |
| 42 | # );\r | |
| f8c51389 AB |
43 | //\r |
| 44 | // This object may be pulled in to satisfy an undefined reference to\r | |
| 45 | // __aeabi_memset above, but in some cases, memset() is already provided\r | |
| 46 | // by another library (i.e., CryptoPkg/IntrinsicLib), in which case we\r | |
| 47 | // prefer the other version. So allow this one to be overridden by\r | |
| 48 | // giving it weak linkage.\r | |
| 49 | //\r | |
| 50 | .weak memset\r | |
| 1e57a462 | 51 | ASM_PFX(memset):\r |
| 19d9bf77 | 52 | subs ip, r2, #0\r |
| 284fb5c8 | 53 | bxeq lr\r |
| 1e57a462 | 54 | @ args = 0, pretend = 0, frame = 0\r |
| 55 | @ frame_needed = 1, uses_anonymous_args = 0\r | |
| 1e57a462 | 56 | L10:\r |
| 284fb5c8 | 57 | strb r1, [r0], #1\r |
| 19d9bf77 | 58 | subs ip, ip, #1\r |
| 284fb5c8 | 59 | @ While size is not 0\r |
| 1e57a462 | 60 | bne L10\r |
| 284fb5c8 | 61 | bx lr\r |