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psci.c
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psci.h
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smccc.c
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smccc.h
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smccc_arm.S
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smccc_arm64.S
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Editing: smccc.h
/*- * SPDX-License-Identifier: BSD-2-Clause * * Copyright (c) 2018 Andrew Turner * * This software was developed by SRI International and the University of * Cambridge Computer Laboratory under DARPA/AFRL contract FA8750-10-C-0237 * ("CTSRD"), as part of the DARPA CRASH research programme. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. 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. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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. * * $FreeBSD$ */ #ifndef _PSCI_SMCCC_H_ #define _PSCI_SMCCC_H_ #define SMCCC_VERSION_MAJOR(ver) (((ver) >> 16) & 0x7fff) #define SMCCC_VERSION_MINOR(ver) ((ver) & 0xffff) #define SMCCC_FUNC_ID(type, call_conv, range, func) \ (((type) << 31) | \ ((call_conv) << 30) | \ (((range) & 0x3f) << 24) | \ ((func) & 0xffff)) #define SMCCC_YIELDING_CALL 0 #define SMCCC_FAST_CALL 1 #define SMCCC_32BIT_CALL 0 #define SMCCC_64BIT_CALL 1 #define SMCCC_ARM_ARCH_CALLS 0 #define SMCCC_CPU_SERVICE_CALLS 1 #define SMCCC_SIP_SERVICE_CALLS 2 #define SMCCC_OEM_SERVICE_CALLS 3 #define SMCCC_STD_SECURE_SERVICE_CALLS 4 #define SMCCC_STD_HYP_SERVICE_CALLS 5 #define SMCCC_VENDOR_HYP_SERVICE_CALLS 6 struct arm_smccc_res { register_t a0; register_t a1; register_t a2; register_t a3; }; /* * Arm Architecture Calls. * These are documented in the document ARM DEN 0070A. */ #define SMCCC_VERSION \ SMCCC_FUNC_ID(SMCCC_FAST_CALL, SMCCC_32BIT_CALL, 0, 0) #define SMCCC_ARCH_FEATURES \ SMCCC_FUNC_ID(SMCCC_FAST_CALL, SMCCC_32BIT_CALL, 0, 1) #define SMCCC_ARCH_WORKAROUND_1 \ SMCCC_FUNC_ID(SMCCC_FAST_CALL, SMCCC_32BIT_CALL, 0, 0x8000) #define SMCCC_ARCH_WORKAROUND_2 \ SMCCC_FUNC_ID(SMCCC_FAST_CALL, SMCCC_32BIT_CALL, 0, 0x7fff) /* The return values from ARM DEN 0070A. */ #define SMCCC_RET_SUCCESS 0 #define SMCCC_RET_NOT_SUPPORTED -1 #define SMCCC_RET_NOT_REQUIRED -2 int32_t smccc_arch_features(uint32_t); int smccc_arch_workaround_1(void); int smccc_arch_workaround_2(int); int arm_smccc_smc(register_t, register_t, register_t, register_t, register_t, register_t, register_t, register_t, struct arm_smccc_res *res); int arm_smccc_hvc(register_t, register_t, register_t, register_t, register_t, register_t, register_t, register_t, struct arm_smccc_res *res); #endif /* _PSCI_SMCCC_H_ */
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