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41 lines
808 B
C
41 lines
808 B
C
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/** @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_HVC_LIB_H_
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#define ARM_HVC_LIB_H_
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/**
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* The size of the HVC 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_HVC_ARGS;
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/**
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Trigger an HVC call
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HVC calls can take up to 8 arguments and return up to 4 return values.
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Therefore, the 4 first fields in the ARM_HVC_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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ArmCallHvc (
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IN OUT ARM_HVC_ARGS *Args
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);
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#endif // ARM_HVC_LIB_H_
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