1*f651b525SAndrew Turner /*- 2*f651b525SAndrew Turner * SPDX-License-Identifier: BSD-2-Clause 3*f651b525SAndrew Turner * 4*f651b525SAndrew Turner * Copyright (c) 2018 Andrew Turner 5*f651b525SAndrew Turner * 6*f651b525SAndrew Turner * This software was developed by SRI International and the University of 7*f651b525SAndrew Turner * Cambridge Computer Laboratory under DARPA/AFRL contract FA8750-10-C-0237 8*f651b525SAndrew Turner * ("CTSRD"), as part of the DARPA CRASH research programme. 9*f651b525SAndrew Turner * 10*f651b525SAndrew Turner * Redistribution and use in source and binary forms, with or without 11*f651b525SAndrew Turner * modification, are permitted provided that the following conditions 12*f651b525SAndrew Turner * are met: 13*f651b525SAndrew Turner * 1. Redistributions of source code must retain the above copyright 14*f651b525SAndrew Turner * notice, this list of conditions and the following disclaimer. 15*f651b525SAndrew Turner * 2. Redistributions in binary form must reproduce the above copyright 16*f651b525SAndrew Turner * notice, this list of conditions and the following disclaimer in the 17*f651b525SAndrew Turner * documentation and/or other materials provided with the distribution. 18*f651b525SAndrew Turner * 19*f651b525SAndrew Turner * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20*f651b525SAndrew Turner * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21*f651b525SAndrew Turner * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22*f651b525SAndrew Turner * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 23*f651b525SAndrew Turner * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24*f651b525SAndrew Turner * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25*f651b525SAndrew Turner * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26*f651b525SAndrew Turner * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27*f651b525SAndrew Turner * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28*f651b525SAndrew Turner * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29*f651b525SAndrew Turner * SUCH DAMAGE. 30*f651b525SAndrew Turner * 31*f651b525SAndrew Turner * $FreeBSD$ 32*f651b525SAndrew Turner */ 33*f651b525SAndrew Turner 34*f651b525SAndrew Turner #ifndef _PSCI_SMCCC_H_ 35*f651b525SAndrew Turner #define _PSCI_SMCCC_H_ 36*f651b525SAndrew Turner 37*f651b525SAndrew Turner #define SMCCC_VERSION_MAJOR(ver) (((ver) >> 16) & 0x7fff) 38*f651b525SAndrew Turner #define SMCCC_VERSION_MINOR(ver) ((ver) & 0xffff) 39*f651b525SAndrew Turner 40*f651b525SAndrew Turner #define SMCCC_FUNC_ID(type, call_conv, range, func) \ 41*f651b525SAndrew Turner (((type) << 31) | \ 42*f651b525SAndrew Turner ((call_conv) << 30) | \ 43*f651b525SAndrew Turner (((range) & 0x3f) << 24) | \ 44*f651b525SAndrew Turner ((func) & 0xffff)) 45*f651b525SAndrew Turner 46*f651b525SAndrew Turner #define SMCCC_YIELDING_CALL 0 47*f651b525SAndrew Turner #define SMCCC_FAST_CALL 1 48*f651b525SAndrew Turner 49*f651b525SAndrew Turner #define SMCCC_32BIT_CALL 0 50*f651b525SAndrew Turner #define SMCCC_64BIT_CALL 1 51*f651b525SAndrew Turner 52*f651b525SAndrew Turner #define SMCCC_VERSION \ 53*f651b525SAndrew Turner SMCCC_FUNC_ID(SMCCC_FAST_CALL, SMCCC_64BIT_CALL, 0, 0) 54*f651b525SAndrew Turner #define SMCCC_ARCH_FEATURES \ 55*f651b525SAndrew Turner SMCCC_FUNC_ID(SMCCC_FAST_CALL, SMCCC_64BIT_CALL, 0, 1) 56*f651b525SAndrew Turner #define SMCCC_ARCH_WORKAROUND_1 \ 57*f651b525SAndrew Turner SMCCC_FUNC_ID(SMCCC_FAST_CALL, SMCCC_64BIT_CALL, 0, 0x8000) 58*f651b525SAndrew Turner 59*f651b525SAndrew Turner int32_t smccc_arch_features(uint32_t); 60*f651b525SAndrew Turner int smccc_arch_workaround_1(void); 61*f651b525SAndrew Turner 62*f651b525SAndrew Turner 63*f651b525SAndrew Turner #endif /* _PSCI_SMCCC_H_ */ 64