/// @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 |