sw/device/tests/simple_sec.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 program to turn on the SMC and fall asleep.

#include "hw/top_matcha/sw/autogen/top_matcha.h"
#include "sw/device/lib/arch/device.h"
#include "sw/device/lib/dif/dif_smc_ctrl.h"
#include "sw/device/lib/runtime/hart.h"
#include "sw/device/lib/testing/test_framework/check.h"
#include "sw/device/lib/testing/test_framework/ottf_test_config.h"

#if defined(PAGE_BOUNDARY_TEST)
#include "sw/device/tests/smc/smc_page_boundary_test_fpga_nexus_bin_c.h"
#elif defined(INTERRUPT_BOUNDARY_TEST)
#include "sw/device/tests/smc/smc_interrupt_boundary_test_fpga_nexus_bin_c.h"
#elif defined(LSU_INTERRUPT_BOUNDARY_TEST)
#include "sw/device/tests/smc/smc_lsu_interrupt_boundary_test_fpga_nexus_bin_c.h"
#elif defined(LSU_PAGE_BOUNDARY_TEST)
#include "sw/device/tests/smc/smc_lsu_page_boundary_test_fpga_nexus_bin_c.h"
#endif

OTTF_DEFINE_TEST_CONFIG();

static dif_smc_ctrl_t smc_ctrl;

void _ottf_main(void) {
#if defined(HAS_SMC_BIN)
  if (kDeviceType == kDeviceFpgaNexus) {
    memcpy((void*)TOP_MATCHA_RAM_SMC_BASE_ADDR, smc_bin, smc_bin_len);
  }
#endif
  CHECK_DIF_OK(dif_smc_ctrl_init(
      mmio_region_from_addr(TOP_MATCHA_SMC_CTRL_BASE_ADDR), &smc_ctrl));

  CHECK_DIF_OK(dif_smc_ctrl_set_en(&smc_ctrl));

  // Note: the SMC must end the simulation through testing or otherwise, as the
  // secure core indefinitely sleeps.
  asm volatile("wfi");
}