blob: 03f2d66908a868b4d4ae673d0596965f6634f63a [file] [log] [blame]
// Copyright 2018 The Fuchsia Authors
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file or at
#include <inttypes.h>
#include <arch/arm64/smccc.h>
#include "ddk_priv.h"
zx_status_t arch_smc_call(const zx_smc_parameters_t* params, zx_smc_result_t* result) {
const uint32_t client_and_secure_os_id =
static_cast<uint32_t>(params->secure_os_id) << 16 | static_cast<uint32_t>(params->client_id);
arm_smccc_result_t arm_result;
// TODO(74553): Detect when SMC calls take too long
arm_result = arm_smccc_smc(params->func_id, params->arg1, params->arg2, params->arg3,
params->arg4, params->arg5, params->arg6, client_and_secure_os_id);
result->arg0 = arm_result.x0;
result->arg1 = arm_result.x1;
result->arg2 = arm_result.x2;
result->arg3 = arm_result.x3;
result->arg6 = arm_result.x6;
return ZX_OK;