rstmgr_sw_req_test.c

// Copyright lowRISC contributors (OpenTitan project).
// Licensed under the Apache License, Version 2.0, see LICENSE for details.
// SPDX-License-Identifier: Apache-2.0
 
#include "dt/dt_rstmgr.h"  // Generated
#include "sw/device/lib/dif/dif_rstmgr.h"
#include "sw/device/lib/runtime/log.h"
#include "sw/device/lib/testing/rstmgr_testutils.h"
#include "sw/device/lib/testing/test_framework/check.h"
#include "sw/device/lib/testing/test_framework/ottf_main.h"
 
static dif_rstmgr_t rstmgr;
static dt_rstmgr_t kRstmgrDt = (dt_rstmgr_t)0;
static_assert(kDtRstmgrCount == 1, "This test requires 1 rstmgr");
 
OTTF_DEFINE_TEST_CONFIG();
 
bool test_main(void) {
  CHECK_DIF_OK(dif_rstmgr_init_from_dt(kRstmgrDt, &rstmgr));
 
  dif_rstmgr_reset_info_bitfield_t reason;
  reason = rstmgr_testutils_reason_get();
 
  // If POR, clear reason and request software reset
  if (reason & kDifRstmgrResetInfoPor) {
    LOG_INFO("POR encountered!");
    rstmgr_testutils_reason_clear();
    CHECK_DIF_OK(dif_rstmgr_software_device_reset(&rstmgr));
 
    // wait here until device reset
    wait_for_interrupt();
  } else if (reason == kDifRstmgrResetInfoSw) {
    LOG_INFO("Software reset encountered!");
    rstmgr_testutils_reason_clear();
  } else {
    LOG_FATAL("Reset reason unexpected!");
    test_status_set(kTestStatusFailed);
  }
 
  return true;
}