mirror of https://github.com/acidanthera/audk.git
27 lines
676 B
NASM
27 lines
676 B
NASM
//------------------------------------------------------------------------------
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//
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// Copyright (c) 2016, Linaro Limited. All rights reserved.
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//
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// SPDX-License-Identifier: BSD-2-Clause-Patent
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//
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//------------------------------------------------------------------------------
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INCLUDE AsmMacroExport.inc
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//------------------------------------------------------------------------------
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RVCT_ASM_EXPORT ArmHasMpExtensions
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mrc p15,0,R0,c0,c0,5
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// Get Multiprocessing extension (bit31)
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lsr R0, R0, #31
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bx LR
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RVCT_ASM_EXPORT ArmReadIdMmfr0
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mrc p15, 0, r0, c0, c1, 4 ; Read ID_MMFR0 Register
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bx lr
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END
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