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47 lines
1020 B
C
47 lines
1020 B
C
/** @file
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*
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* Copyright (c) 2016 - 2017, 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_SVC_LIB_H_
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#define ARM_SVC_LIB_H_
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/**
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* The size of the SVC 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_SVC_ARGS;
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/**
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Trigger an SVC call
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SVC calls can take up to 8 arguments and return up to 8 return values.
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Therefore, the 8 first fields in the ARM_SVC_ARGS structure are used
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for both input and output values.
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@param[in, out] Args Arguments to be passed as part of the SVC call
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The return values of the SVC call are also placed
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in the same structure
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@retval None
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**/
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VOID
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ArmCallSvc (
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IN OUT ARM_SVC_ARGS *Args
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);
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#endif // ARM_SVC_LIB_H_
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