40 lines
735 B
C
40 lines
735 B
C
/** @file
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*
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* Copyright (c) 2012-2014, ARM 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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#ifndef __ARM_SMC_LIB__
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#define __ARM_SMC_LIB__
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/**
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* The size of the SMC arguments are different between AArch64 and AArch32.
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* The native size is used for the arguments.
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*/
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typedef struct {
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UINTN Arg0;
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UINTN Arg1;
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UINTN Arg2;
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UINTN Arg3;
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UINTN Arg4;
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UINTN Arg5;
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UINTN Arg6;
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UINTN Arg7;
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} ARM_SMC_ARGS;
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/**
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Trigger an SMC call
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SMC calls can take up to 7 arguments and return up to 4 return values.
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Therefore, the 4 first fields in the ARM_SMC_ARGS structure are used
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for both input and output values.
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**/
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VOID
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ArmCallSmc (
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IN OUT ARM_SMC_ARGS *Args
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);
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#endif
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