[mirror_edk2.git] / MdePkg / Library / BaseLib / Ia32 / CpuIdEx.s

#------------------------------------------------------------------------------
#
# 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:
#
#   CpuIdEx.Asm
#
# Abstract:
#
#   AsmCpuidEx function
#
# Notes:
#
#------------------------------------------------------------------------------

    .686: 
    .code: 

#------------------------------------------------------------------------------
#  UINT32
#  EFIAPI
#  AsmCpuidEx (
#    IN   UINT32  RegisterInEax,
#    IN   UINT32  RegisterInEcx,
#    OUT  UINT32  *RegisterOutEax  OPTIONAL,
#    OUT  UINT32  *RegisterOutEbx  OPTIONAL,
#    OUT  UINT32  *RegisterOutEcx  OPTIONAL,
#    OUT  UINT32  *RegisterOutEdx  OPTIONAL
#    )
#------------------------------------------------------------------------------
.globl _AsmCpuidEx
_AsmCpuidEx:
    push    %ebx
    pushl   %ebp
    movl    %esp, %ebp
    movl    12(%ebp), %eax
    movl    16(%ebp), %ecx
    cpuid
    pushl   %ecx
    movl    20(%ebp), %ecx
    jecxz   L1
    movl    %eax, (%ecx)
L1: 
    movl    24(%ebp), %ecx
    jecxz   L2
    movl    %ebx, (%ecx)
L2: 
    movl    28(%ebp), %ecx
    jecxz   L3
    popl    %ecx
L3: 
    movl    32(%ebp), %edx
    jecxz   L4
    movl    %edx, (%ecx)
L4: 
    movl    12(%ebp), %eax
    pop     %ebx
    leave
    ret
Commit	Line	Data
ec8547f6	1	#------------------------------------------------------------------------------
	2	#
	3	# Copyright (c) 2006, Intel Corporation
	4	# All rights reserved. This program and the accompanying materials
	5	# are licensed and made available under the terms and conditions of the BSD License
	6	# which accompanies this distribution. The full text of the license may be found at
	7	# http://opensource.org/licenses/bsd-license.php
	8	#
	9	# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
	10	# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
	11	#
	12	# Module Name:
	13	#
	14	# CpuIdEx.Asm
	15	#
	16	# Abstract:
	17	#
	18	# AsmCpuidEx function
	19	#
	20	# Notes:
	21	#
	22	#------------------------------------------------------------------------------
	23
	24	.686:
	25	.code:
	26
	27	#------------------------------------------------------------------------------
	28	# UINT32
	29	# EFIAPI
	30	# AsmCpuidEx (
	31	# IN UINT32 RegisterInEax,
	32	# IN UINT32 RegisterInEcx,
	33	# OUT UINT32 *RegisterOutEax OPTIONAL,
	34	# OUT UINT32 *RegisterOutEbx OPTIONAL,
	35	# OUT UINT32 *RegisterOutEcx OPTIONAL,
	36	# OUT UINT32 *RegisterOutEdx OPTIONAL
	37	# )
	38	#------------------------------------------------------------------------------
	39	.globl _AsmCpuidEx
	40	_AsmCpuidEx:
	41	push %ebx
	42	pushl %ebp
	43	movl %esp, %ebp
	44	movl 12(%ebp), %eax
	45	movl 16(%ebp), %ecx
	46	cpuid
	47	pushl %ecx
	48	movl 20(%ebp), %ecx
	49	jecxz L1
	50	movl %eax, (%ecx)
	51	L1:
	52	movl 24(%ebp), %ecx
	53	jecxz L2
	54	movl %ebx, (%ecx)
	55	L2:
	56	movl 28(%ebp), %ecx
	57	jecxz L3
	58	popl %ecx
	59	L3:
	60	movl 32(%ebp), %edx
	61	jecxz L4
	62	movl %edx, (%ecx)
	63	L4:
	64	movl 12(%ebp), %eax
65	pop %ebx
66	leave
67	ret