-#/*++
-#
-#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:
-#
-# EfiSetMem.asm
-#
-#Abstract:
-#
-# This is the code that supports IA32-optimized SetMem service
-#
-#--*/
-#include "EfiBind.h"
-#---------------------------------------------------------------------------
- .686:
- #.MODEL flat,C
- .mmx:
- .code:
-
-#---------------------------------------------------------------------------
-.globl ASM_PFX(EfiCommonLibSetMem)
-
-#VOID
-#EfiCommonLibSetMem (
-# IN VOID *Buffer,
-# IN UINTN Count,
-# IN UINT8 Value
-# )
-#/*++
-#
-#Input: VOID *Buffer - Pointer to buffer to write
-# UINTN Count - Number of bytes to write
-# UINT8 Value - Value to write
-#
-#Output: None.
-#
-#Saves:
-#
-#Modifies:
-#
-#Description: This function is an optimized set-memory function.
-#
-#Notes: This function tries to set memory 8 bytes at a time. As a result,
-# it first picks up any misaligned bytes, then words, before getting
-# in the main loop that does the 8-byte clears.
-#
-#--*/
-ASM_PFX(EfiCommonLibSetMem):
-
- pushl %ebp
- movl %esp, %ebp
- subl $0x10, %esp # Reserve space for local variable UINT64 QWordValue @[ebp - 10H] & UINT64 MmxSave @[ebp - 18H]
- pushl %ebx
- pushl %edi
-
- movl 0xC(%ebp), %edx # Count
- testl %edx, %edx
- je _SetMemDone
-
- pushl %ebx
-
- movl 8(%ebp), %eax # Buffer
- movb 0x10(%ebp), %bl # Value
- movl %eax, %edi
- movb %bl, %bh
-
- cmpl $256, %edx
- jb _SetRemindingByte
-
- andb $0x7, %al
- testb %al, %al
- je _SetBlock
-
- movl %edi, %eax
- shrl $3, %eax
- incl %eax
- shll $3, %eax
- subl %edi, %eax
- cmpl %edx, %eax
- jnb _SetRemindingByte
-
- subl %eax, %edx
- movl %eax, %ecx
-
- movb %bl, %al
- rep
- stosb
-
-_SetBlock:
- movl %edx, %eax
- shrl $6, %eax
- testl %eax, %eax
- je _SetRemindingByte
-
- shll $6, %eax
- subl %eax, %edx
- shrl $6, %eax
-
- movw %bx, -0x10(%ebp) # QWordValue[0]
- movw %bx, -0x10+2(%ebp) # QWordValue[2]
- movw %bx, -0x10+4(%ebp) # QWordValue[4]
- movw %bx, -0x10+6(%ebp) # QWordValue[6]
-
-
- movq %mm0, -8(%ebp) # Save mm0 to MmxSave
- movq -0x10(%ebp), %mm0 # Load QWordValue to mm0
-
-_B:
- movq %mm0, %ds:(%edi)
- movq %mm0, %ds:8(%edi)
- movq %mm0, %ds:16(%edi)
- movq %mm0, %ds:24(%edi)
- movq %mm0, %ds:32(%edi)
- movq %mm0, %ds:40(%edi)
- movq %mm0, %ds:48(%edi)
- movq %mm0, %ds:56(%edi)
- addl $64, %edi
- decl %eax
- jnz _B
-
-# Restore mm0
- movq -8(%ebp), %mm0 # Restore MmxSave to mm0
- emms # Exit MMX Instruction
-
-_SetRemindingByte:
- movl %edx, %ecx
-
- movl %ebx, %eax
- shll $16, %eax
- movw %bx, %ax
- shrl $2, %ecx
- rep
- stosl
-
- movl %edx, %ecx
- andl $3, %ecx
- rep
- stosb
-
- popl %ebx
-
-_SetMemDone:
-
- popl %edi
- popl %ebx
- leave
- ret
-
-#EfiCommonLibSetMem ENDP
-
+#/*++\r
+#\r
+#Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>\r
+#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
+# EfiSetMem.asm\r
+#\r
+#Abstract:\r
+#\r
+# This is the code that supports IA32-optimized SetMem service\r
+#\r
+#--*/\r
+#include "EfiBind.h"\r
+#---------------------------------------------------------------------------\r
+ .686: \r
+ #.MODEL flat,C\r
+ .mmx: \r
+ .code: \r
+\r
+#---------------------------------------------------------------------------\r
+.globl ASM_PFX(EfiCommonLibSetMem)\r
+\r
+#VOID\r
+#EfiCommonLibSetMem (\r
+# IN VOID *Buffer,\r
+# IN UINTN Count,\r
+# IN UINT8 Value\r
+# )\r
+#/*++\r
+#\r
+#Input: VOID *Buffer - Pointer to buffer to write\r
+# UINTN Count - Number of bytes to write\r
+# UINT8 Value - Value to write\r
+#\r
+#Output: None.\r
+#\r
+#Saves:\r
+#\r
+#Modifies:\r
+#\r
+#Description: This function is an optimized set-memory function.\r
+#\r
+#Notes: This function tries to set memory 8 bytes at a time. As a result, \r
+# it first picks up any misaligned bytes, then words, before getting \r
+# in the main loop that does the 8-byte clears.\r
+#\r
+#--*/\r
+ASM_PFX(EfiCommonLibSetMem):\r
+\r
+ pushl %ebp\r
+ movl %esp, %ebp\r
+ subl $0x10, %esp # Reserve space for local variable UINT64 QWordValue @[ebp - 10H] & UINT64 MmxSave @[ebp - 18H]\r
+ pushl %ebx\r
+ pushl %edi\r
+\r
+ movl 0xC(%ebp), %edx # Count\r
+ testl %edx, %edx\r
+ je _SetMemDone\r
+\r
+ pushl %ebx\r
+\r
+ movl 8(%ebp), %eax # Buffer\r
+ movb 0x10(%ebp), %bl # Value\r
+ movl %eax, %edi\r
+ movb %bl, %bh\r
+\r
+ cmpl $256, %edx\r
+ jb _SetRemindingByte\r
+\r
+ andb $0x7, %al\r
+ testb %al, %al\r
+ je _SetBlock\r
+\r
+ movl %edi, %eax\r
+ shrl $3, %eax\r
+ incl %eax\r
+ shll $3, %eax\r
+ subl %edi, %eax\r
+ cmpl %edx, %eax\r
+ jnb _SetRemindingByte\r
+\r
+ subl %eax, %edx\r
+ movl %eax, %ecx\r
+\r
+ movb %bl, %al\r
+ rep\r
+ stosb\r
+\r
+_SetBlock: \r
+ movl %edx, %eax\r
+ shrl $6, %eax\r
+ testl %eax, %eax\r
+ je _SetRemindingByte\r
+\r
+ shll $6, %eax\r
+ subl %eax, %edx\r
+ shrl $6, %eax\r
+\r
+ movw %bx, -0x10(%ebp) # QWordValue[0]\r
+ movw %bx, -0x10+2(%ebp) # QWordValue[2]\r
+ movw %bx, -0x10+4(%ebp) # QWordValue[4]\r
+ movw %bx, -0x10+6(%ebp) # QWordValue[6]\r
+\r
+\r
+ movq %mm0, -8(%ebp) # Save mm0 to MmxSave\r
+ movq -0x10(%ebp), %mm0 # Load QWordValue to mm0\r
+\r
+_B: \r
+ movq %mm0, %ds:(%edi)\r
+ movq %mm0, %ds:8(%edi)\r
+ movq %mm0, %ds:16(%edi)\r
+ movq %mm0, %ds:24(%edi)\r
+ movq %mm0, %ds:32(%edi)\r
+ movq %mm0, %ds:40(%edi)\r
+ movq %mm0, %ds:48(%edi)\r
+ movq %mm0, %ds:56(%edi)\r
+ addl $64, %edi\r
+ decl %eax\r
+ jnz _B\r
+\r
+# Restore mm0\r
+ movq -8(%ebp), %mm0 # Restore MmxSave to mm0\r
+ emms # Exit MMX Instruction\r
+\r
+_SetRemindingByte: \r
+ movl %edx, %ecx\r
+\r
+ movl %ebx, %eax\r
+ shll $16, %eax\r
+ movw %bx, %ax\r
+ shrl $2, %ecx\r
+ rep\r
+ stosl\r
+\r
+ movl %edx, %ecx\r
+ andl $3, %ecx\r
+ rep\r
+ stosb\r
+\r
+ popl %ebx\r
+\r
+_SetMemDone: \r
+\r
+ popl %edi\r
+ popl %ebx\r
+ leave\r
+ ret\r
+\r
+#EfiCommonLibSetMem ENDP\r
+\r
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