sw/device/tests/smc/smc_env_test.c

// Copyright 2022 Google LLC.
// Copyright lowRISC contributors.
// Licensed under the Apache License, Version 2.0, see LICENSE for details.
// SPDX-License-Identifier: Apache-2.0
//
// Simple SMC program that prints over UART and confirms OTTF testing
// capabilities.

#include "hw/top_matcha/sw/autogen/top_matcha.h"
#include "sw/device/lib/runtime/log.h"
#include "sw/device/lib/runtime/print.h"
#include "sw/device/lib/testing/test_framework/check.h"
#include "sw/device/lib/testing/test_framework/ottf_test_config.h"
#include "sw/device/lib/testing/test_framework/status.h"
#include "sw/device/lib/testing/test_framework/test_util.h"

OTTF_DEFINE_TEST_CONFIG();

static dif_uart_t smc_uart;

void _ottf_main(void) {
  test_status_set(kTestStatusInTest);

  // Initialize the SMC UART to enable logging for non-DV simulation platforms.
  if (kDeviceType != kDeviceSimDV) {
    init_uart(TOP_MATCHA_SMC_UART_BASE_ADDR, &smc_uart);
  }

  LOG_INFO("Hello from the SMC!");

  // Note: passing a test in the SMC ends the simulation, even if the secure
  // core is in the middle of a test.
  test_status_set(kTestStatusPassed);
}