1 /* 2 * Copyright (c) 2014-2016, ARM Limited and Contributors. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 #ifndef __STD_SVC_H__ 8 #define __STD_SVC_H__ 9 10 /* SMC function IDs for Standard Service queries */ 11 12 #define ARM_STD_SVC_CALL_COUNT 0x8400ff00 13 #define ARM_STD_SVC_UID 0x8400ff01 14 /* 0x8400ff02 is reserved */ 15 #define ARM_STD_SVC_VERSION 0x8400ff03 16 17 /* ARM Standard Service Calls version numbers */ 18 #define STD_SVC_VERSION_MAJOR 0x0 19 #define STD_SVC_VERSION_MINOR 0x1 20 21 /* 22 * Get the ARM Standard Service argument from EL3 Runtime. 23 * This function must be implemented by EL3 Runtime and the 24 * `svc_mask` identifies the service. `svc_mask` is a bit 25 * mask identifying the range of SMC function IDs available 26 * to the service. 27 */ 28 uintptr_t get_arm_std_svc_args(unsigned int svc_mask); 29 30 #endif /* __STD_SVC_H__ */ 31