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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2589 6f19259b-4bc3-4df7-8a09-765794883524

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gtian
2007-05-14 06:36:58 +00:00
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MdePkg/Library/BaseLib/Ipf/AccessPmr.s Normal file
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/// @file
/// IPF specific Performance Monitor Configuration/Data 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: AccessPmr.s
///
///
//---------------------------------------------------------------------------------
//++
// AsmReadPmc
//
// This routine is used to Reads the current value of Performance Monitor Configuration Register (PMC).
//
// Arguments :
//
// On Entry : The 8-bit PMC index.
//
// Return Value: The current value of PMC by Index.
//
//--
//----------------------------------------------------------------------------------
.text
.type AsmReadPmc, @function
.proc AsmReadPmc
.regstk 1, 0, 0, 0
AsmReadPmc::
srlz.i;;
srlz.d;;
mov r8 = pmc[in0];;
br.ret.dpnt b0;;
.endp AsmReadPmc
//---------------------------------------------------------------------------------
//++
// AsmWritePmc
//
// This routine is used to write the current value to a Performance Monitor Configuration Register (PMC).
//
// Arguments :
//
// On Entry : The 8-bit PMC index.
// The value should be written to PMC
//
// Return Value: The value written to PMC.
//
//--
//----------------------------------------------------------------------------------
.text
.type AsmWritePmc, @function
.proc AsmWritePmc
.regstk 2, 0, 0, 0
AsmWritePmc::
mov pmc[in0] = in1
mov r8 = in1;;
srlz.i;;
srlz.d;;
br.ret.dpnt b0;;
.endp AsmWritePmc
//---------------------------------------------------------------------------------
//++
// AsmReadPmd
//
// This routine is used to Reads the current value of Performance Monitor Data Register (PMD).
//
// Arguments :
//
// On Entry : The 8-bit PMD index.
//
// Return Value: The current value of PMD by Index.
//
//--
//----------------------------------------------------------------------------------
.text
.type AsmReadPmd, @function
.proc AsmReadPmd
.regstk 1, 0, 0, 0
AsmReadPmd::
srlz.i;;
srlz.d;;
mov r8 = pmd[in0];;
br.ret.dpnt b0;;
.endp AsmReadPmd
//---------------------------------------------------------------------------------
//++
// AsmWritePmd
//
// This routine is used to write the current value to Performance Monitor Data Register (PMD).
//
// Arguments :
//
// On Entry : The 8-bit PMD index.
// The value should be written to PMD
//
// Return Value: The value written to PMD.
//
//--
//----------------------------------------------------------------------------------
.text
.type AsmWritePmd, @function
.proc AsmWritePmd
.regstk 2, 0, 0, 0
AsmWritePmd::
mov pmd[in0] = in1
mov r8 = in1;;
srlz.i;;
srlz.d;;
br.ret.dpnt b0;;
.endp AsmWritePmd