mirror of https://github.com/acidanthera/audk.git
70 lines
1.6 KiB
ArmAsm
70 lines
1.6 KiB
ArmAsm
#------------------------------------------------------------------------------
|
|
#
|
|
# Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
|
|
# 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:
|
|
#
|
|
# ReadIdtBase.Asm
|
|
#
|
|
# Abstract:
|
|
#
|
|
# ReadIdtBase function
|
|
#
|
|
# Notes:
|
|
#
|
|
#include "EfiBind.h"
|
|
#------------------------------------------------------------------------------
|
|
|
|
.586:
|
|
#.MODEL flat,C
|
|
.code:
|
|
|
|
.globl ASM_PFX(ReadIdtBasea)
|
|
.globl ASM_PFX(ReadIdtLimita)
|
|
|
|
#------------------------------------------------------------------------------
|
|
# UINTN
|
|
# ReadIdtBase (
|
|
# void
|
|
# )
|
|
#
|
|
# Abstract: Returns physical address of IDTR
|
|
#
|
|
ASM_PFX(ReadIdtBasea):
|
|
push %ebp
|
|
mov %esp,%ebp
|
|
add $0xfffffff8,%esp
|
|
sidtl 0xfffffffa(%ebp)
|
|
mov 0xfffffffc(%ebp),%eax
|
|
leave
|
|
ret
|
|
|
|
|
|
|
|
#------------------------------------------------------------------------------
|
|
# UINT16
|
|
# ReadIdtLimit (
|
|
# void
|
|
# )
|
|
#
|
|
# Abstract: Returns Limit of IDTR
|
|
#
|
|
ASM_PFX(ReadIdtLimita):
|
|
push %ebp
|
|
mov %esp,%ebp
|
|
add $0xfffffff8,%esp
|
|
sidtl 0xfffffffa(%ebp)
|
|
mov 0xfffffffa(%ebp),%ax
|
|
leave
|
|
ret
|
|
|
|
|
|
|