mirror of https://github.com/acidanthera/audk.git
119 lines
3.2 KiB
ArmAsm
119 lines
3.2 KiB
ArmAsm
/// @file
|
|
/// IPF specific Debug Breakpoint Registers accessing functions
|
|
///
|
|
/// 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: AccessDbr.s
|
|
///
|
|
///
|
|
|
|
//---------------------------------------------------------------------------------
|
|
//++
|
|
// AsmReadDbr
|
|
//
|
|
// This routine is used to Reads the current value of Data Breakpoint Register (DBR).
|
|
//
|
|
// Arguments :
|
|
//
|
|
// On Entry : The 8-bit DBR index to read.
|
|
//
|
|
// Return Value: The current value of DBR by Index.
|
|
//
|
|
//--
|
|
//----------------------------------------------------------------------------------
|
|
.text
|
|
.type AsmReadDbr, @function
|
|
.proc AsmReadDbr
|
|
.regstk 1, 0, 0, 0
|
|
|
|
AsmReadDbr::
|
|
mov r8 = dbr[in0];;
|
|
br.ret.dpnt b0;;
|
|
.endp AsmReadDbr
|
|
|
|
//---------------------------------------------------------------------------------
|
|
//++
|
|
// AsmWriteDbr
|
|
//
|
|
// This routine is used to write the current value to Data Breakpoint Register (DBR).
|
|
//
|
|
// Arguments :
|
|
//
|
|
// On Entry : The 8-bit DBR index to read.
|
|
// The value should be written to DBR
|
|
//
|
|
// Return Value: The value written to DBR.
|
|
//
|
|
//--
|
|
//----------------------------------------------------------------------------------
|
|
.text
|
|
.type AsmWriteDbr, @function
|
|
.proc AsmWriteDbr
|
|
.regstk 2, 0, 0, 0
|
|
|
|
AsmWriteDbr::
|
|
mov dbr[in0] = in1
|
|
mov r8 = in1;;
|
|
srlz.d;;
|
|
br.ret.dpnt b0;;
|
|
.endp AsmWriteDbr
|
|
|
|
|
|
//---------------------------------------------------------------------------------
|
|
//++
|
|
// AsmReadIbr
|
|
//
|
|
// This routine is used to Reads the current value of Instruction Breakpoint Register (IBR).
|
|
//
|
|
// Arguments :
|
|
//
|
|
// On Entry : The 8-bit IBR index.
|
|
//
|
|
// Return Value: The current value of IBR by Index.
|
|
//
|
|
//--
|
|
//----------------------------------------------------------------------------------
|
|
.text
|
|
.type AsmReadIbr, @function
|
|
.proc AsmReadIbr
|
|
.regstk 1, 0, 0, 0
|
|
|
|
AsmReadIbr::
|
|
mov r8 = ibr[in0];;
|
|
br.ret.dpnt b0;;
|
|
.endp AsmReadIbr
|
|
|
|
//---------------------------------------------------------------------------------
|
|
//++
|
|
// AsmWriteIbr
|
|
//
|
|
// This routine is used to write the current value to Instruction Breakpoint Register (IBR).
|
|
//
|
|
// Arguments :
|
|
//
|
|
// On Entry : The 8-bit IBR index.
|
|
// The value should be written to IBR
|
|
//
|
|
// Return Value: The value written to IBR.
|
|
//
|
|
//--
|
|
//----------------------------------------------------------------------------------
|
|
.text
|
|
.type AsmWriteIbr, @function
|
|
.proc AsmWriteIbr
|
|
.regstk 2, 0, 0, 0
|
|
|
|
AsmWriteIbr::
|
|
mov ibr[in0] = in1
|
|
mov r8 = in1;;
|
|
srlz.i;;
|
|
br.ret.dpnt b0;;
|
|
.endp AsmWriteIbr
|