mirror of https://github.com/acidanthera/audk.git
40 lines
1.2 KiB
ArmAsm
40 lines
1.2 KiB
ArmAsm
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#
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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 <AsmMacroIoLib.h>
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.text
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.align 2
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GCC_ASM_EXPORT(ArmPlatformIsPrimaryCore)
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GCC_ASM_IMPORT(_gPcd_FixedAtBuild_PcdArmPrimaryCore)
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GCC_ASM_IMPORT(_gPcd_FixedAtBuild_PcdArmPrimaryCoreMask)
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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, 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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ASM_FUNCTION_REMOVE_IF_UNREFERENCED
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