mirror of https://github.com/acidanthera/audk.git
125 lines
3.3 KiB
ArmAsm
125 lines
3.3 KiB
ArmAsm
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/// @file
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/// IPF specific Performance Monitor Configuration/Data Registers accessing functions
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///
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/// Copyright (c) 2006, Intel Corporation
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/// All rights reserved. This program and the accompanying materials
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/// are licensed and made available under the terms and conditions of the BSD License
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/// which accompanies this distribution. The full text of the license may be found at
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/// http://opensource.org/licenses/bsd-license.php
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///
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/// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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/// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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///
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/// Module Name: AccessPmr.s
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///
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///
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//---------------------------------------------------------------------------------
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//++
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// AsmReadPmc
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//
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// This routine is used to Reads the current value of Performance Monitor Configuration Register (PMC).
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//
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// Arguments :
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//
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// On Entry : The 8-bit PMC index.
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//
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// Return Value: The current value of PMC by Index.
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//
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//--
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//----------------------------------------------------------------------------------
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.text
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.type AsmReadPmc, @function
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.proc AsmReadPmc
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.regstk 1, 0, 0, 0
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AsmReadPmc::
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srlz.i;;
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srlz.d;;
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mov r8 = pmc[in0];;
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br.ret.dpnt b0;;
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.endp AsmReadPmc
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//---------------------------------------------------------------------------------
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//++
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// AsmWritePmc
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//
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// This routine is used to write the current value to a Performance Monitor Configuration Register (PMC).
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//
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// Arguments :
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//
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// On Entry : The 8-bit PMC index.
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// The value should be written to PMC
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//
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// Return Value: The value written to PMC.
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//
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//--
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//----------------------------------------------------------------------------------
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.text
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.type AsmWritePmc, @function
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.proc AsmWritePmc
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.regstk 2, 0, 0, 0
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AsmWritePmc::
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mov pmc[in0] = in1
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mov r8 = in1;;
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srlz.i;;
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srlz.d;;
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br.ret.dpnt b0;;
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.endp AsmWritePmc
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//---------------------------------------------------------------------------------
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//++
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// AsmReadPmd
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//
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// This routine is used to Reads the current value of Performance Monitor Data Register (PMD).
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//
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// Arguments :
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//
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// On Entry : The 8-bit PMD index.
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//
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// Return Value: The current value of PMD by Index.
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//
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//--
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//----------------------------------------------------------------------------------
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.text
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.type AsmReadPmd, @function
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.proc AsmReadPmd
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.regstk 1, 0, 0, 0
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AsmReadPmd::
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srlz.i;;
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srlz.d;;
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mov r8 = pmd[in0];;
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br.ret.dpnt b0;;
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.endp AsmReadPmd
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//---------------------------------------------------------------------------------
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//++
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// AsmWritePmd
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//
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// This routine is used to write the current value to Performance Monitor Data Register (PMD).
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//
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// Arguments :
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//
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// On Entry : The 8-bit PMD index.
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// The value should be written to PMD
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//
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// Return Value: The value written to PMD.
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//
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//--
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//----------------------------------------------------------------------------------
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.text
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.type AsmWritePmd, @function
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.proc AsmWritePmd
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.regstk 2, 0, 0, 0
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AsmWritePmd::
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mov pmd[in0] = in1
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mov r8 = in1;;
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srlz.i;;
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srlz.d;;
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br.ret.dpnt b0;;
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.endp AsmWritePmd
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