/** @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_ |