projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| c5ecf6c1 | 1 | #------------------------------------------------------------------------------\r |
| 2 | #\r | |
| 085c3968 HT |
3 | # Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>\r |
| 4 | # This program and the accompanying materials\r | |
| c5ecf6c1 | 5 | # are licensed and made available under the terms and conditions of the BSD License\r |
| 6 | # which accompanies this distribution. The full text of the license may be found at\r | |
| 2fc59a00 | 7 | # http://opensource.org/licenses/bsd-license.php.\r |
| c5ecf6c1 | 8 | #\r |
| 9 | # THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
| 10 | # WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
| 11 | #\r | |
| 12 | # Module Name:\r | |
| 13 | #\r | |
| 14 | # SetMem.asm\r | |
| 15 | #\r | |
| 16 | # Abstract:\r | |
| 17 | #\r | |
| 18 | # SetMem function\r | |
| 19 | #\r | |
| 20 | # Notes:\r | |
| 21 | #\r | |
| 22 | #------------------------------------------------------------------------------\r | |
| 23 | \r | |
| 132f41f0 | 24 | ASM_GLOBAL ASM_PFX(InternalMemSetMem)\r |
| c5ecf6c1 | 25 | \r |
| 26 | #------------------------------------------------------------------------------\r | |
| 27 | # VOID *\r | |
| 28 | # InternalMemSetMem (\r | |
| 29 | # IN VOID *Buffer,\r | |
| 30 | # IN UINTN Count,\r | |
| 31 | # IN UINT8 Value\r | |
| 32 | # )\r | |
| 33 | #------------------------------------------------------------------------------\r | |
| d3c0cbce | 34 | ASM_PFX(InternalMemSetMem):\r |
| c5ecf6c1 | 35 | push %edi\r |
| 36 | movb 16(%esp), %al\r | |
| 37 | movb %al, %ah\r | |
| 38 | shrdl $16, %eax, %edx\r | |
| 39 | shldl $16, %edx, %eax\r | |
| 40 | movl 12(%esp), %ecx # ecx <- Count\r | |
| 41 | movl 8(%esp), %edi # edi <- Buffer\r | |
| 42 | movl %ecx, %edx\r | |
| 43 | andl $7, %edx\r | |
| 44 | shrl $3, %ecx # # of Qwords to set\r | |
| 45 | jz L1\r | |
| 46 | addl $0x-10, %esp\r | |
| 47 | movq %mm0, (%esp) # save mm0\r | |
| 48 | movq %mm1, 8(%esp) # save mm1\r | |
| 49 | movd %eax, %mm0\r | |
| 50 | movd %eax, %mm1\r | |
| 51 | psllq $32, %mm0\r | |
| 52 | por %mm1, %mm0 # fill mm0 with 8 Value's\r | |
| 53 | L0:\r | |
| 54 | movq %mm0, (%edi)\r | |
| 55 | addl $8, %edi\r | |
| 56 | loopl L0\r | |
| 57 | movq (%esp), %mm0 # restore mm0\r | |
| 58 | movq 8(%esp), %mm1 # restore mm1\r | |
| 59 | addl $0x10, %esp # stack cleanup\r | |
| 60 | L1:\r | |
| 61 | movl %edx, %ecx\r | |
| 62 | rep\r | |
| 63 | stosb\r | |
| 64 | movl 8(%esp), %eax # eax <- Buffer as return value\r | |
| 65 | pop %edi\r | |
| 66 | ret\r |