tf-a/tf-a-stm32mp-2.2.r1/include/services/std_svc.h

31 lines
837 B
C

/*
* Copyright (c) 2014-2016, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef STD_SVC_H
#define STD_SVC_H
/* SMC function IDs for Standard Service queries */
#define ARM_STD_SVC_CALL_COUNT 0x8400ff00
#define ARM_STD_SVC_UID 0x8400ff01
/* 0x8400ff02 is reserved */
#define ARM_STD_SVC_VERSION 0x8400ff03
/* ARM Standard Service Calls version numbers */
#define STD_SVC_VERSION_MAJOR 0x0
#define STD_SVC_VERSION_MINOR 0x1
/*
* Get the ARM Standard Service argument from EL3 Runtime.
* This function must be implemented by EL3 Runtime and the
* `svc_mask` identifies the service. `svc_mask` is a bit
* mask identifying the range of SMC function IDs available
* to the service.
*/
uintptr_t get_arm_std_svc_args(unsigned int svc_mask);
#endif /* STD_SVC_H */