[mirror_edk2.git] / EdkCompatibilityPkg / Foundation / Library / EdkIIGlueLib / 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:
#
#------------------------------------------------------------------------------

#include <EdkIIGlueBase.h>

    .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 ASM_PFX(AsmCpuidEx)
ASM_PFX(AsmCpuidEx):
    push    %ebx
    push    %ebp
    movl    %esp, %ebp
    movl    12(%ebp), %eax
    movl    16(%ebp), %ecx
    cpuid
    push    %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
    leave
    pop     %ebx
    ret
Commit	Line	Data
3f8f7fa5	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
8ad319e5	24	#include <EdkIIGlueBase.h>
8ad319e5	25
3f8f7fa5	26	.686:
	27	.code:
	28
	29	#------------------------------------------------------------------------------
	30	# UINT32
	31	# EFIAPI
	32	# AsmCpuidEx (
	33	# IN UINT32 RegisterInEax,
	34	# IN UINT32 RegisterInEcx,
	35	# OUT UINT32 *RegisterOutEax OPTIONAL,
	36	# OUT UINT32 *RegisterOutEbx OPTIONAL,
	37	# OUT UINT32 *RegisterOutEcx OPTIONAL,
	38	# OUT UINT32 *RegisterOutEdx OPTIONAL
	39	# )
	40	#------------------------------------------------------------------------------
	41	.globl ASM_PFX(AsmCpuidEx)
	42	ASM_PFX(AsmCpuidEx):
	43	push %ebx
	44	push %ebp
	45	movl %esp, %ebp
	46	movl 12(%ebp), %eax
	47	movl 16(%ebp), %ecx
	48	cpuid
	49	push %ecx
	50	movl 20(%ebp), %ecx
	51	jecxz L1
	52	movl %eax, (%ecx)
	53	L1:
	54	movl 24(%ebp), %ecx
	55	jecxz L2
	56	movl %ebx, (%ecx)
	57	L2:
	58	movl 28(%ebp), %ecx
	59	jecxz L3
	60	popl (%ecx)
	61	L3:
	62	movl 32(%ebp), %edx
	63	jecxz L4
	64	movl %edx, (%ecx)
	65	L4:
	66	movl 12(%ebp), %eax
	67	leave
	68	pop %ebx
	69	ret