[mirror_edk2.git] / MdePkg / Library / BaseMemoryLibOptDxe / X64 / ZeroMem.S

#\r
# ConvertAsm.py: Automatically generated from ZeroMem.asm\r
#\r
#------------------------------------------------------------------------------\r
#\r
# Copyright (c) 2006 - 2008, 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
#   ZeroMem.S\r
#\r
# Abstract:\r
#\r
#   ZeroMem function\r
#\r
# Notes:\r
#\r
#------------------------------------------------------------------------------\r
\r
\r
#------------------------------------------------------------------------------\r
#  VOID *\r
#  InternalMemZeroMem (\r
#    IN VOID   *Buffer,\r
#    IN UINTN  Count\r
#    );\r
#------------------------------------------------------------------------------\r
.intel_syntax noprefix\r
ASM_GLOBAL ASM_PFX(InternalMemZeroMem)\r
ASM_PFX(InternalMemZeroMem):\r
    push    rdi\r
    push    rcx\r
    xor     rax, rax\r
    mov     rdi, rcx\r
    mov     rcx, rdx\r
    shr     rcx, 3\r
    and     rdx, 7\r
    cld\r
    rep     stosq\r
    mov     rcx, rdx\r
    rep     stosb\r
    pop     rax\r
    pop     rdi\r
    ret\r
\r
Commit	Line	Data
b1ff428c	1	#\r
	2	# ConvertAsm.py: Automatically generated from ZeroMem.asm\r
	3	#\r
	4	#------------------------------------------------------------------------------\r
	5	#\r
373ade0e	6	# Copyright (c) 2006 - 2008, Intel Corporation\r
b1ff428c	7	# All rights reserved. This program and the accompanying materials\r
	8	# are licensed and made available under the terms and conditions of the BSD License\r
	9	# which accompanies this distribution. The full text of the license may be found at\r
	10	# http://opensource.org/licenses/bsd-license.php\r
	11	#\r
	12	# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
	13	# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
	14	#\r
	15	# Module Name:\r
	16	#\r
	17	# ZeroMem.S\r
	18	#\r
	19	# Abstract:\r
	20	#\r
	21	# ZeroMem function\r
	22	#\r
	23	# Notes:\r
	24	#\r
	25	#------------------------------------------------------------------------------\r
	26	\r
	27	\r
	28	#------------------------------------------------------------------------------\r
	29	# VOID *\r
	30	# InternalMemZeroMem (\r
	31	# IN VOID *Buffer,\r
	32	# IN UINTN Count\r
	33	# );\r
	34	#------------------------------------------------------------------------------\r
	35	.intel_syntax noprefix\r
132f41f0	36	ASM_GLOBAL ASM_PFX(InternalMemZeroMem)\r
b1ff428c	37	ASM_PFX(InternalMemZeroMem):\r
	38	push rdi\r
	39	push rcx\r
	40	xor rax, rax\r
	41	mov rdi, rcx\r
	42	mov rcx, rdx\r
	43	shr rcx, 3\r
2f3d6fb5	44	and rdx, 7\r
b1ff428c	45	cld\r
	46	rep stosq\r
	47	mov rcx, rdx\r
	48	rep stosb\r
	49	pop rax\r
	50	pop rdi\r
	51	ret\r
	52	\r