sw/device/tests/kmac_app_rom_test.c

// Copyright lowRISC contributors.
// Licensed under the Apache License, Version 2.0, see LICENSE for details.
// SPDX-License-Identifier: Apache-2.0

#include "sw/device/lib/base/mmio.h"
#include "sw/device/lib/dif/dif_rom_ctrl.h"
#include "sw/device/lib/runtime/log.h"
#include "sw/device/lib/testing/check.h"
#include "sw/device/lib/testing/test_framework/ottf.h"

#include "hw/top_earlgrey/sw/autogen/top_earlgrey.h"

static dif_rom_ctrl_t rom_ctrl;

const test_config_t kTestConfig;

bool test_main(void) {
  dif_rom_ctrl_digest_t computed_digest;
  dif_rom_ctrl_digest_t expected_digest;

  // initialize rom_ctrl
  mmio_region_t rom_ctrl_reg =
      mmio_region_from_addr(TOP_EARLGREY_ROM_CTRL_REGS_BASE_ADDR);
  CHECK_DIF_OK(dif_rom_ctrl_init(rom_ctrl_reg, &rom_ctrl));

  // get computed and expected digests and check that they match
  CHECK_DIF_OK(dif_rom_ctrl_get_digest(&rom_ctrl, &computed_digest));
  CHECK_DIF_OK(dif_rom_ctrl_get_expected_digest(&rom_ctrl, &expected_digest));
  CHECK_BUFFER(computed_digest.digest, expected_digest.digest,
               ROM_CTRL_DIGEST_MULTIREG_COUNT,
               "Mismatch between computed and expected digest.");

  return true;
}