47 lines
1020 B
C
47 lines
1020 B
C
/** @file
|
|
*
|
|
* Copyright (c) 2016 - 2017, ARM Limited. All rights reserved.
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause-Patent
|
|
*
|
|
**/
|
|
|
|
#ifndef ARM_SVC_LIB_H_
|
|
#define ARM_SVC_LIB_H_
|
|
|
|
/**
|
|
* The size of the SVC arguments are different between AArch64 and AArch32.
|
|
* The native size is used for the arguments.
|
|
*/
|
|
typedef struct {
|
|
UINTN Arg0;
|
|
UINTN Arg1;
|
|
UINTN Arg2;
|
|
UINTN Arg3;
|
|
UINTN Arg4;
|
|
UINTN Arg5;
|
|
UINTN Arg6;
|
|
UINTN Arg7;
|
|
} ARM_SVC_ARGS;
|
|
|
|
/**
|
|
Trigger an SVC call
|
|
|
|
SVC calls can take up to 8 arguments and return up to 8 return values.
|
|
Therefore, the 8 first fields in the ARM_SVC_ARGS structure are used
|
|
for both input and output values.
|
|
|
|
@param[in, out] Args Arguments to be passed as part of the SVC call
|
|
The return values of the SVC call are also placed
|
|
in the same structure
|
|
|
|
@retval None
|
|
|
|
**/
|
|
VOID
|
|
ArmCallSvc (
|
|
IN OUT ARM_SVC_ARGS *Args
|
|
);
|
|
|
|
#endif // ARM_SVC_LIB_H_
|