#------------------------------------------------------------------------------ # # Copyright (c) 2008, 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: # # EfiSetMemRep4.S # # Abstract: # # SetMem function # # Notes: # #------------------------------------------------------------------------------ #include .code: .globl ASM_PFX(EfiCommonLibCopyMem) #------------------------------------------------------------------------------ # VOID # EfiCommonLibSetMem ( # OUT VOID *Buffer, # IN UINTN Size, # IN UINT8 Value # ); #------------------------------------------------------------------------------ ASM_PFX(EfiCommonLibSetMem): push %rdi cmp $0x0,%rdx je SetDone mov %rcx,%rdi mov %r8b,%al mov %al,%ah shrd $0x10,%eax,%ecx shld $0x10,%ecx,%eax mov %rdx,%rcx shr $0x2,%rcx rep stos %eax,%es:(%rdi) mov %rdx,%rcx and $0x3,%rcx rep stos %al,%es:(%rdi) SetDone: pop %rdi retq