1// Copyright 2018 The Fuchsia Authors
2//
3// Use of this source code is governed by a MIT-style
4// license that can be found in the LICENSE file or at
5// https://opensource.org/licenses/MIT
6
7#include "ddk_priv.h"
8
9#include <arch/arm64/smccc.h>
10
11zx_status_t arch_smc_call(const zx_smc_parameters_t* params, zx_smc_result_t* result) {
12    auto arm_result = arm_smccc_smc(params->func_id,
13                                    params->arg1, params->arg2, params->arg3,
14                                    params->arg4, params->arg5, params->arg6,
15                                    static_cast<uint32_t>(params->secure_os_id) << 16 |
16                                        static_cast<uint32_t>(params->client_id));
17
18    result->arg0 = arm_result.x0;
19    result->arg1 = arm_result.x1;
20    result->arg2 = arm_result.x2;
21    result->arg3 = arm_result.x3;
22
23    return ZX_OK;
24}
25