arm-trusted-firmware/include/services/std_svc.h

55 lines
2.2 KiB
C

/*
* Copyright (c) 2014-2016, ARM Limited and Contributors. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* Neither the name of ARM nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#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__ */