blob: 96d7f205058d13061a1688fde19c1a9f7d484406 [file] [log] [blame]
/*
* Copyright 2018 The Hafnium Authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <stdint.h>
/* clang-format off */
#define SMCCC_CALL_TYPE_MASK 0x80000000
#define SMCCC_YIELDING_CALL 0x00000000
#define SMCCC_FAST_CALL 0x80000000
#define SMCCC_CONVENTION_MASK 0x40000000
#define SMCCC_32_BIT 0x00000000
#define SMCCC_64_BIT 0x40000000
#define SMCCC_SERVICE_CALL_MASK 0x3f000000
#define SMCCC_ARM_ARCHITECTURE_CALL 0x00000000
#define SMCCC_CPU_SERVICE_CALL 0x01000000
#define SMCCC_SIP_SERVICE_CALL 0x02000000
#define SMCCC_OEM_SERVICE_CALL 0x03000000
#define SMCCC_STANDARD_SECURE_SERVICE_CALL 0x04000000
#define SMCCC_STANDARD_HYPERVISOR_SERVICE_CALL 0x05000000
#define SMCCC_VENDOR_HYPERVISOR_SERVICE_CALL 0x06000000
#define SMCCC_CALLER_HYPERVISOR 0x0
/*
* TODO: Trusted application call: 0x30000000 - 0x31000000
* TODO: Trusted OS call: 0x32000000 - 0x3f000000
*/
#define SMCCC_ERROR_UNKNOWN (-1)
/* clang-format on */
typedef struct smc_res {
uint64_t res0;
uint64_t res1;
uint64_t res2;
uint64_t res3;
} smc_res_t;
smc_res_t smc32(uint32_t func, uint32_t arg0, uint32_t arg1, uint32_t arg2,
uint32_t arg3, uint32_t arg4, uint32_t arg5,
uint32_t caller_id);
smc_res_t smc64(uint32_t func, uint64_t arg0, uint64_t arg1, uint64_t arg2,
uint64_t arg3, uint64_t arg4, uint64_t arg5,
uint32_t caller_id);