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541c46a705
As an implementation of an industry specification-defined interface, ArmSvcLib is more appropriately placed in MdePkg. This update relocates both the header definition and the implementation of ArmSvcLib to MdePkg, thereby supporting the supervisor call primitives for all other packages that depend on this interface. Continuous-integration-options: PatchCheck.ignore-multi-package Signed-off-by: Kun Qin <kun.qin@microsoft.com>
57 lines
1.2 KiB
C
57 lines
1.2 KiB
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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UINTN Arg8;
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UINTN Arg9;
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UINTN Arg10;
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UINTN Arg11;
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UINTN Arg12;
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UINTN Arg13;
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UINTN Arg14;
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UINTN Arg15;
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UINTN Arg16;
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UINTN Arg17;
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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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