mirror of https://github.com/acidanthera/audk.git
73 lines
1.8 KiB
NASM
73 lines
1.8 KiB
NASM
//
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// Copyright (c) 2012-2013, ARM Limited. All rights reserved.
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//
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// 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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//
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#include <AsmMacroIoLib.h>
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#include <Library/ArmLib.h>
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INCLUDE AsmMacroIoLib.inc
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EXPORT ArmPlatformPeiBootAction
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EXPORT ArmPlatformGetCorePosition
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EXPORT ArmPlatformGetPrimaryCoreMpId
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EXPORT ArmPlatformIsPrimaryCore
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IMPORT _gPcd_FixedAtBuild_PcdArmPrimaryCore
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IMPORT _gPcd_FixedAtBuild_PcdArmPrimaryCoreMask
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PRESERVE8
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AREA ArmPlatformNullHelper, CODE, READONLY
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ArmPlatformPeiBootAction FUNCTION
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bx lr
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ENDFUNC
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//UINTN
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//ArmPlatformGetCorePosition (
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// IN UINTN MpId
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// );
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ArmPlatformGetCorePosition FUNCTION
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and r1, r0, #ARM_CORE_MASK
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and r0, r0, #ARM_CLUSTER_MASK
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add r0, r1, r0, LSR #7
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bx lr
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ENDFUNC
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//UINTN
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//ArmPlatformGetPrimaryCoreMpId (
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// VOID
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// );
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ArmPlatformGetPrimaryCoreMpId FUNCTION
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LoadConstantToReg (_gPcd_FixedAtBuild_PcdArmPrimaryCore, r0)
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ldr r0, [r0]
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bx lr
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ENDFUNC
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//UINTN
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//ArmPlatformIsPrimaryCore (
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// IN UINTN MpId
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// );
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ArmPlatformIsPrimaryCore FUNCTION
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LoadConstantToReg (_gPcd_FixedAtBuild_PcdArmPrimaryCoreMask, r1)
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ldr r1, [r1]
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and r0, r0, r1
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LoadConstantToReg (_gPcd_FixedAtBuild_PcdArmPrimaryCore, r1)
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ldr r1, [r1]
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cmp r0, r1
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moveq r0, #1
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movne r0, #0
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bx lr
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ENDFUNC
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END
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