mirror of https://github.com/acidanthera/audk.git
62 lines
1.8 KiB
ArmAsm
62 lines
1.8 KiB
ArmAsm
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//++
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// Copyright (c) 2004, 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:
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//
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// PerformancePrimitives.s
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//
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// Abstract:
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//
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//
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// Revision History:
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//
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//--
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.file "PerformancePrimitives.s"
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#include "IpfMacro.i"
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//-----------------------------------------------------------------------------
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//++
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// GetTimerValue
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//
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// Implementation of CPU-based time service
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//
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// On Entry :
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// EFI_STATUS
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// GetTimerValue (
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// OUT UINT64 *TimerValue
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// )
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//
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// Return Value:
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// r8 = Status
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// r9 = 0
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// r10 = 0
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// r11 = 0
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//
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// As per static calling conventions.
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//
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//--
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//---------------------------------------------------------------------------
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PROCEDURE_ENTRY (GetTimerValue)
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NESTED_SETUP (1,8,0,0)
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mov r8 = ar.itc;;
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st8 [r32]= r8
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mov r8 = r0
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mov r9 = r0
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mov r10 = r0
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mov r11 = r0
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NESTED_RETURN
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PROCEDURE_EXIT (GetTimerValue)
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//---------------------------------------------------------------------------
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