91c38d4e94
Replace tabs by spaces for indentation to comply to EDK2 coding standards. Done in files with extension ".S", ".c", ".h", ".asm", ".dsc", ".inc", "*.inf", "*.dec" or ".fdf" and located in ArmPkg, ArmPlatformPkg, EmbeddedPkg, BeagleBoardPkg or Omap35xxPkg. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Ronald Cron <ronald.cron@arm.com> Reviewed-By: Olivier Martin <olivier.martin@arm.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15901 6f19259b-4bc3-4df7-8a09-765794883524
82 lines
2.1 KiB
ArmAsm
82 lines
2.1 KiB
ArmAsm
#
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# Copyright (c) 2011-2013, 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 <AsmMacroIoLibV8.h>
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#include <Base.h>
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#include <Library/ArmLib.h>
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#include <Library/PcdLib.h>
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#include <AutoGen.h>
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.text
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.align 2
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GCC_ASM_EXPORT(ArmPlatformPeiBootAction)
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GCC_ASM_EXPORT(ArmPlatformIsPrimaryCore)
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GCC_ASM_EXPORT(ArmPlatformGetPrimaryCoreMpId)
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GCC_ASM_EXPORT(ArmPlatformGetCorePosition)
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GCC_ASM_EXPORT(ArmGetCpuCountPerCluster)
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GCC_ASM_IMPORT(_gPcd_FixedAtBuild_PcdArmPrimaryCore)
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GCC_ASM_IMPORT(_gPcd_FixedAtBuild_PcdArmPrimaryCoreMask)
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GCC_ASM_IMPORT(_gPcd_FixedAtBuild_PcdCoreCount)
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ASM_PFX(ArmPlatformPeiBootAction):
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ret
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//UINTN
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//ArmPlatformGetPrimaryCoreMpId (
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// VOID
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// );
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ASM_PFX(ArmPlatformGetPrimaryCoreMpId):
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LoadConstantToReg (_gPcd_FixedAtBuild_PcdArmPrimaryCore, x0)
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ldrh w0, [x0]
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ret
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# IN None
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# OUT x0 = number of cores present in the system
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ASM_PFX(ArmGetCpuCountPerCluster):
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LoadConstantToReg (_gPcd_FixedAtBuild_PcdCoreCount, x0)
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ldrh w0, [x0]
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ret
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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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ASM_PFX(ArmPlatformIsPrimaryCore):
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LoadConstantToReg (_gPcd_FixedAtBuild_PcdArmPrimaryCoreMask, x1)
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ldrh w1, [x1]
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and x0, x0, x1
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LoadConstantToReg (_gPcd_FixedAtBuild_PcdArmPrimaryCore, x1)
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ldrh w1, [x1]
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cmp w0, w1
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b.ne 1f
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mov x0, #1
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ret
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1:
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mov x0, #0
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ret
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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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// With this function: CorePos = (ClusterId * 4) + CoreId
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ASM_PFX(ArmPlatformGetCorePosition):
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and x1, x0, #ARM_CORE_MASK
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and x0, x0, #ARM_CLUSTER_MASK
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add x0, x1, x0, LSR #6
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ret
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ASM_FUNCTION_REMOVE_IF_UNREFERENCED
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