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/// @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
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