-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006, 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
-# which 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.
-#
-# Module Name:
-#
-# SetMem.asm
-#
-# Abstract:
-#
-# SetMem function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
- .686:
- #.MODEL flat,C
- .xmm:
- .code:
-
-#------------------------------------------------------------------------------
-# VOID *
-# _mem_SetMem (
-# IN VOID *Buffer,
-# IN UINTN Count,
-# IN UINT8 Value
-# )
-#------------------------------------------------------------------------------
-.global _InternalMemSetMem
-_InternalMemSetMem:
- push %edi
- movl 12(%esp), %ecx # ecx <- Count
- movl 8(%esp), %edi # edi <- Buffer
- movl %ecx, %edx
- shrl $3, %ecx # # of Qwords to set
- movb 16(%esp), %al # al <- Value
- jz @SetBytes
- movb %al, %ah # ax <- Value | (Value << 8)
- pushl %ecx
- pushl %ecx
- movq %mm0, (%esp) # save mm0
- movd %eax, %mm0
- pshufw $0x0,%mm0,%mm0
-L0:
- movntq %mm0, (%edi)
- addl $8, %edi
- loop L0
- mfence
- movq (%esp), %mm0 # restore mm0
- popl %ecx # stack cleanup
- popl %ecx
-@SetBytes:
- andl $7, %edx
- movl %edx, %ecx
- rep
- stosb
- movl 8(%esp), %eax # eax <- Buffer as return value
- pop %edi
- ret
+#------------------------------------------------------------------------------\r
+#\r
+# Copyright (c) 2006, Intel Corporation\r
+# All rights reserved. This program and the accompanying materials\r
+# are licensed and made available under the terms and conditions of the BSD License\r
+# which accompanies this distribution. The full text of the license may be found at\r
+# http://opensource.org/licenses/bsd-license.php\r
+#\r
+# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+#\r
+# Module Name:\r
+#\r
+# SetMem.asm\r
+#\r
+# Abstract:\r
+#\r
+# SetMem function\r
+#\r
+# Notes:\r
+#\r
+#------------------------------------------------------------------------------\r
+\r
+ASM_GLOBAL ASM_PFX(InternalMemSetMem)\r
+\r
+#------------------------------------------------------------------------------\r
+# VOID *\r
+# InternalMemSetMem (\r
+# IN VOID *Buffer,\r
+# IN UINTN Count,\r
+# IN UINT8 Value\r
+# )\r
+#------------------------------------------------------------------------------\r
+ASM_PFX(InternalMemSetMem):\r
+ push %edi\r
+ movb 16(%esp), %al\r
+ movb %al, %ah\r
+ shrdl $16, %eax, %edx\r
+ shldl $16, %edx, %eax\r
+ movl 12(%esp), %ecx # ecx <- Count\r
+ movl 8(%esp), %edi # edi <- Buffer\r
+ movl %ecx, %edx\r
+ andl $7, %edx\r
+ shrl $3, %ecx # # of Qwords to set\r
+ jz L1\r
+ addl $0x-10, %esp\r
+ movq %mm0, (%esp) # save mm0\r
+ movq %mm1, 8(%esp) # save mm1\r
+ movd %eax, %mm0\r
+ movd %eax, %mm1\r
+ psllq $32, %mm0\r
+ por %mm1, %mm0 # fill mm0 with 8 Value's\r
+L0:\r
+ movq %mm0, (%edi)\r
+ addl $8, %edi\r
+ loopl L0\r
+ movq (%esp), %mm0 # restore mm0\r
+ movq 8(%esp), %mm1 # restore mm1\r
+ addl $0x10, %esp # stack cleanup\r
+L1:\r
+ movl %edx, %ecx\r
+ rep\r
+ stosb\r
+ movl 8(%esp), %eax # eax <- Buffer as return value\r
+ pop %edi\r
+ ret\r