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// Copyright 2018 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef SYSROOT_ZIRCON_SYSCALLS_SMC_H_
#define SYSROOT_ZIRCON_SYSCALLS_SMC_H_
#include <zircon/types.h>
__BEGIN_CDECLS
// Silicon Partner.
#define ARM_SMC_SERVICE_CALL_NUM_SIP_SERVICE_BASE 0x02
#define ARM_SMC_SERVICE_CALL_NUM_SIP_SERVICE_LENGTH 0x01
#define ARM_SMC_SERVICE_CALL_NUM_TRUSTED_OS_BASE 0x32
#define ARM_SMC_SERVICE_CALL_NUM_TRUSTED_OS_LENGTH 0xE
#define ARM_SMC_SERVICE_CALL_NUM_MAX 0x3F
#define ARM_SMC_SERVICE_CALL_NUM_MASK 0x3F
#define ARM_SMC_SERVICE_CALL_NUM_SHIFT 24
#define ARM_SMC_GET_SERVICE_CALL_NUM_FROM_FUNC_ID(func_id) \
(((func_id) >> ARM_SMC_SERVICE_CALL_NUM_SHIFT) & ARM_SMC_SERVICE_CALL_NUM_MASK)
typedef struct zx_smc_parameters {
uint32_t func_id;
uint64_t arg1;
uint64_t arg2;
uint64_t arg3;
uint64_t arg4;
uint64_t arg5;
uint64_t arg6;
uint16_t client_id;
uint16_t secure_os_id;
} zx_smc_parameters_t;
typedef struct zx_smc_result {
uint64_t arg0;
uint64_t arg1;
uint64_t arg2;
uint64_t arg3;
uint64_t arg6; // at least one implementation uses it as a way to return session_id.
} zx_smc_result_t;
__END_CDECLS
#endif // SYSROOT_ZIRCON_SYSCALLS_SMC_H_