dif_sysrst_ctrl_unittest.cc

// Copyright lowRISC contributors (OpenTitan project).
// Licensed under the Apache License, Version 2.0, see LICENSE for details.
// SPDX-License-Identifier: Apache-2.0
 
#include "sw/device/lib/dif/dif_sysrst_ctrl.h"
 
#include "gtest/gtest.h"
#include "sw/device/lib/base/bitfield.h"
#include "sw/device/lib/base/mock_mmio.h"
#include "sw/device/lib/dif/dif_base.h"
#include "sw/device/lib/dif/dif_test_base.h"
 
#include "sysrst_ctrl_regs.h"  // Generated.
 
namespace dif_sysrst_ctrl_unittest {
namespace {
using ::mock_mmio::LeInt;
using ::mock_mmio::MmioTest;
using ::mock_mmio::MockDevice;
 
class SysrstCtrlTest : public testing::Test, public MmioTest {
 protected:
  dif_sysrst_ctrl_t sysrst_ctrl_ = {.base_addr = dev().region()};
};
 
class KeyComboDetectConfigTest : public SysrstCtrlTest {
 protected:
  dif_sysrst_ctrl_key_combo_config_t config_ = {
      .pre_condition_keys = kDifSysrstCtrlKey2,
      .pre_condition_detection_time_threshold = 0x1000,
      .keys = kDifSysrstCtrlKey0 | kDifSysrstCtrlKeyPowerButton,
      .detection_time_threshold = 0x5000,
      .actions = kDifSysrstCtrlKeyComboActionEcReset,
      .embedded_controller_reset_duration = 0x100,
  };
};
 
TEST_F(KeyComboDetectConfigTest, NullArgs) {
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_key_combo_detect_configure(
      nullptr, kDifSysrstCtrlKeyCombo1, config_));
}
 
TEST_F(KeyComboDetectConfigTest, BadArgs) {
  // Bad key combination.
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_key_combo_detect_configure(
      &sysrst_ctrl_, kDifSysrstCtrlKeyComboAll, config_));
 
  // Bad pre-condition keys.
  config_.pre_condition_keys = 1U << 5;
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_key_combo_detect_configure(
      &sysrst_ctrl_, kDifSysrstCtrlKeyCombo1, config_));
 
  // Bad keys.
  config_.pre_condition_keys = kDifSysrstCtrlKey2;
  config_.keys = 1U << 5;
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_key_combo_detect_configure(
      &sysrst_ctrl_, kDifSysrstCtrlKeyCombo1, config_));
 
  // Bad actions.
  config_.keys = kDifSysrstCtrlKey0 | kDifSysrstCtrlKeyPowerButton,
  config_.actions = static_cast<dif_sysrst_ctrl_key_combo_action_t>(1U << 5);
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_key_combo_detect_configure(
      &sysrst_ctrl_, kDifSysrstCtrlKeyCombo1, config_));
}
 
TEST_F(KeyComboDetectConfigTest, Locked) {
  EXPECT_READ32(SYSRST_CTRL_REGWEN_REG_OFFSET, 0);
  EXPECT_EQ(dif_sysrst_ctrl_key_combo_detect_configure(
                &sysrst_ctrl_, kDifSysrstCtrlKeyCombo1, config_),
            kDifLocked);
}
 
TEST_F(KeyComboDetectConfigTest, SuccessWithoutEcReset) {
  config_.actions = kDifSysrstCtrlKeyComboActionInterrupt |
                    kDifSysrstCtrlKeyComboActionBatteryDisable;
 
  EXPECT_READ32(SYSRST_CTRL_REGWEN_REG_OFFSET, 1);
  EXPECT_WRITE32(SYSRST_CTRL_COM_PRE_SEL_CTL_1_REG_OFFSET,
                 config_.pre_condition_keys);
  EXPECT_WRITE32(SYSRST_CTRL_COM_PRE_DET_CTL_1_REG_OFFSET,
                 config_.pre_condition_detection_time_threshold);
  EXPECT_WRITE32(SYSRST_CTRL_COM_SEL_CTL_1_REG_OFFSET, config_.keys);
  EXPECT_WRITE32(SYSRST_CTRL_COM_DET_CTL_1_REG_OFFSET,
                 config_.detection_time_threshold);
  EXPECT_WRITE32(SYSRST_CTRL_COM_OUT_CTL_1_REG_OFFSET, config_.actions);
 
  EXPECT_DIF_OK(dif_sysrst_ctrl_key_combo_detect_configure(
      &sysrst_ctrl_, kDifSysrstCtrlKeyCombo1, config_));
}
 
TEST_F(KeyComboDetectConfigTest, SuccessWithEcReset) {
  EXPECT_READ32(SYSRST_CTRL_REGWEN_REG_OFFSET, 1);
  EXPECT_WRITE32(SYSRST_CTRL_COM_PRE_SEL_CTL_1_REG_OFFSET,
                 config_.pre_condition_keys);
  EXPECT_WRITE32(SYSRST_CTRL_COM_PRE_DET_CTL_1_REG_OFFSET,
                 config_.pre_condition_detection_time_threshold);
  EXPECT_WRITE32(SYSRST_CTRL_COM_SEL_CTL_1_REG_OFFSET, config_.keys);
  EXPECT_WRITE32(SYSRST_CTRL_COM_DET_CTL_1_REG_OFFSET,
                 config_.detection_time_threshold);
  EXPECT_WRITE32(SYSRST_CTRL_COM_OUT_CTL_1_REG_OFFSET, config_.actions);
  EXPECT_WRITE32(SYSRST_CTRL_EC_RST_CTL_REG_OFFSET,
                 config_.embedded_controller_reset_duration);
 
  EXPECT_DIF_OK(dif_sysrst_ctrl_key_combo_detect_configure(
      &sysrst_ctrl_, kDifSysrstCtrlKeyCombo1, config_));
}
 
class InputChangeDetectConfigTest : public SysrstCtrlTest {
 protected:
  dif_sysrst_ctrl_input_change_config_t config_ = {
      .input_changes = kDifSysrstCtrlInputAll,
      .debounce_time_threshold = 0x1000,
  };
};
 
TEST_F(InputChangeDetectConfigTest, NullArgs) {
  EXPECT_DIF_BADARG(
      dif_sysrst_ctrl_input_change_detect_configure(nullptr, config_));
}
 
TEST_F(InputChangeDetectConfigTest, BadArgs) {
  // Bad input signal changes.
  config_.input_changes = static_cast<dif_sysrst_ctrl_input_change_t>(1U << 14);
  EXPECT_DIF_BADARG(
      dif_sysrst_ctrl_input_change_detect_configure(&sysrst_ctrl_, config_));
}
 
TEST_F(InputChangeDetectConfigTest, Locked) {
  EXPECT_READ32(SYSRST_CTRL_REGWEN_REG_OFFSET, 0);
  EXPECT_EQ(
      dif_sysrst_ctrl_input_change_detect_configure(&sysrst_ctrl_, config_),
      kDifLocked);
}
 
TEST_F(InputChangeDetectConfigTest, Success) {
  EXPECT_READ32(SYSRST_CTRL_REGWEN_REG_OFFSET, 1);
  EXPECT_WRITE32(SYSRST_CTRL_KEY_INTR_CTL_REG_OFFSET, config_.input_changes);
  EXPECT_WRITE32(SYSRST_CTRL_KEY_INTR_DEBOUNCE_CTL_REG_OFFSET,
                 config_.debounce_time_threshold);
  EXPECT_DIF_OK(
      dif_sysrst_ctrl_input_change_detect_configure(&sysrst_ctrl_, config_));
}
 
class OutputPinOverrideConfigTest : public SysrstCtrlTest {
 protected:
  dif_sysrst_ctrl_pin_config_t config_ = {
      .enabled = kDifToggleEnabled,
      .allow_zero = true,
      .allow_one = true,
      .override_value = true,
  };
};
 
TEST_F(OutputPinOverrideConfigTest, NullArgs) {
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_output_pin_override_configure(
      nullptr, kDifSysrstCtrlPinBatteryDisableOut, config_));
}
 
TEST_F(OutputPinOverrideConfigTest, BadArgs) {
  // Bad pin.
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_output_pin_override_configure(
      &sysrst_ctrl_, kDifSysrstCtrlPinKey0In, config_));
 
  // Bad enabled.
  config_.enabled = static_cast<dif_toggle_t>(2);
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_output_pin_override_configure(
      &sysrst_ctrl_, kDifSysrstCtrlPinKey0Out, config_));
 
  // Bad allow values.
  config_ = {
      .enabled = kDifToggleEnabled,
      .allow_zero = false,
      .allow_one = true,
      .override_value = false,
  };
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_output_pin_override_configure(
      &sysrst_ctrl_, kDifSysrstCtrlPinBatteryDisableOut, config_));
  config_ = {
      .enabled = kDifToggleEnabled,
      .allow_zero = true,
      .allow_one = false,
      .override_value = true,
  };
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_output_pin_override_configure(
      &sysrst_ctrl_, kDifSysrstCtrlPinBatteryDisableOut, config_));
}
 
TEST_F(OutputPinOverrideConfigTest, Locked) {
  EXPECT_READ32(SYSRST_CTRL_REGWEN_REG_OFFSET, 0);
  EXPECT_EQ(dif_sysrst_ctrl_output_pin_override_configure(
                &sysrst_ctrl_, kDifSysrstCtrlPinBatteryDisableOut, config_),
            kDifLocked);
}
 
TEST_F(OutputPinOverrideConfigTest, Success) {
  EXPECT_READ32(SYSRST_CTRL_REGWEN_REG_OFFSET, 1);
  EXPECT_READ32(SYSRST_CTRL_PIN_OUT_CTL_REG_OFFSET,
                {{SYSRST_CTRL_PIN_OUT_CTL_Z3_WAKEUP_BIT, 1}});
  EXPECT_WRITE32(SYSRST_CTRL_PIN_OUT_CTL_REG_OFFSET,
                 {{SYSRST_CTRL_PIN_OUT_CTL_BAT_DISABLE_BIT, 1},
                  {SYSRST_CTRL_PIN_OUT_CTL_Z3_WAKEUP_BIT, 1}});
  EXPECT_READ32(SYSRST_CTRL_PIN_OUT_VALUE_REG_OFFSET,
                {{SYSRST_CTRL_PIN_OUT_VALUE_Z3_WAKEUP_BIT, 1}});
  EXPECT_WRITE32(SYSRST_CTRL_PIN_OUT_VALUE_REG_OFFSET,
                 {{SYSRST_CTRL_PIN_OUT_VALUE_BAT_DISABLE_BIT, 1},
                  {SYSRST_CTRL_PIN_OUT_VALUE_Z3_WAKEUP_BIT, 1}});
  EXPECT_READ32(SYSRST_CTRL_PIN_ALLOWED_CTL_REG_OFFSET,
                {{SYSRST_CTRL_PIN_ALLOWED_CTL_Z3_WAKEUP_0_BIT, 1}});
  EXPECT_WRITE32(SYSRST_CTRL_PIN_ALLOWED_CTL_REG_OFFSET,
                 {{SYSRST_CTRL_PIN_ALLOWED_CTL_Z3_WAKEUP_0_BIT, 1},
                  {SYSRST_CTRL_PIN_ALLOWED_CTL_BAT_DISABLE_0_BIT, 1},
                  {SYSRST_CTRL_PIN_ALLOWED_CTL_BAT_DISABLE_1_BIT, 1}});
  EXPECT_DIF_OK(dif_sysrst_ctrl_output_pin_override_configure(
      &sysrst_ctrl_, kDifSysrstCtrlPinBatteryDisableOut, config_));
}
 
class UlpWakeupConfigTest : public SysrstCtrlTest {
 protected:
  dif_sysrst_ctrl_ulp_wakeup_config_t config_ = {
      .enabled = kDifToggleEnabled,
      .ac_power_debounce_time_threshold = 0x100,
      .lid_open_debounce_time_threshold = 0x200,
      .power_button_debounce_time_threshold = 0x300,
  };
};
 
TEST_F(UlpWakeupConfigTest, NullArgs) {
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_ulp_wakeup_configure(nullptr, config_));
}
 
TEST_F(UlpWakeupConfigTest, BadArgs) {
  // Bad enabled.
  config_.enabled = static_cast<dif_toggle_t>(2);
  EXPECT_DIF_BADARG(
      dif_sysrst_ctrl_ulp_wakeup_configure(&sysrst_ctrl_, config_));
}
 
TEST_F(UlpWakeupConfigTest, Locked) {
  EXPECT_READ32(SYSRST_CTRL_REGWEN_REG_OFFSET, 0);
  EXPECT_EQ(dif_sysrst_ctrl_ulp_wakeup_configure(&sysrst_ctrl_, config_),
            kDifLocked);
}
 
TEST_F(UlpWakeupConfigTest, Success) {
  EXPECT_READ32(SYSRST_CTRL_REGWEN_REG_OFFSET, 1);
  EXPECT_WRITE32(SYSRST_CTRL_ULP_CTL_REG_OFFSET, 1);
  EXPECT_WRITE32(SYSRST_CTRL_ULP_AC_DEBOUNCE_CTL_REG_OFFSET,
                 config_.ac_power_debounce_time_threshold);
  EXPECT_WRITE32(SYSRST_CTRL_ULP_LID_DEBOUNCE_CTL_REG_OFFSET,
                 config_.lid_open_debounce_time_threshold);
  EXPECT_WRITE32(SYSRST_CTRL_ULP_PWRB_DEBOUNCE_CTL_REG_OFFSET,
                 config_.power_button_debounce_time_threshold);
  EXPECT_DIF_OK(dif_sysrst_ctrl_ulp_wakeup_configure(&sysrst_ctrl_, config_));
}
 
class UlpWakeupSetEnabledTest : public SysrstCtrlTest {};
 
TEST_F(UlpWakeupSetEnabledTest, NullArgs) {
  EXPECT_DIF_BADARG(
      dif_sysrst_ctrl_ulp_wakeup_set_enabled(nullptr, kDifToggleEnabled));
}
 
TEST_F(UlpWakeupSetEnabledTest, BadEnabled) {
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_ulp_wakeup_set_enabled(
      &sysrst_ctrl_, static_cast<dif_toggle_t>(2)));
}
 
TEST_F(UlpWakeupSetEnabledTest, Success) {
  EXPECT_WRITE32(SYSRST_CTRL_ULP_CTL_REG_OFFSET, 0);
  EXPECT_DIF_OK(dif_sysrst_ctrl_ulp_wakeup_set_enabled(&sysrst_ctrl_,
                                                       kDifToggleDisabled));
 
  EXPECT_WRITE32(SYSRST_CTRL_ULP_CTL_REG_OFFSET, 1);
  EXPECT_DIF_OK(
      dif_sysrst_ctrl_ulp_wakeup_set_enabled(&sysrst_ctrl_, kDifToggleEnabled));
}
 
class UlpWakeupGetEnabledTest : public SysrstCtrlTest {};
 
TEST_F(UlpWakeupGetEnabledTest, NullArgs) {
  dif_toggle_t is_enabled;
  EXPECT_DIF_BADARG(
      dif_sysrst_ctrl_ulp_wakeup_get_enabled(nullptr, &is_enabled));
  EXPECT_DIF_BADARG(
      dif_sysrst_ctrl_ulp_wakeup_get_enabled(&sysrst_ctrl_, nullptr));
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_ulp_wakeup_get_enabled(nullptr, nullptr));
}
 
TEST_F(UlpWakeupGetEnabledTest, Success) {
  dif_toggle_t is_enabled;
 
  EXPECT_READ32(SYSRST_CTRL_ULP_CTL_REG_OFFSET, 0);
  EXPECT_DIF_OK(
      dif_sysrst_ctrl_ulp_wakeup_get_enabled(&sysrst_ctrl_, &is_enabled));
  EXPECT_EQ(is_enabled, kDifToggleDisabled);
 
  EXPECT_READ32(SYSRST_CTRL_ULP_CTL_REG_OFFSET, 1);
  EXPECT_DIF_OK(
      dif_sysrst_ctrl_ulp_wakeup_get_enabled(&sysrst_ctrl_, &is_enabled));
  EXPECT_EQ(is_enabled, kDifToggleEnabled);
}
 
class PinsSetInvertedTest : public SysrstCtrlTest {
 protected:
  uint32_t pins_ = kDifSysrstCtrlPinKey1Out | kDifSysrstCtrlPinPowerButtonIn;
};
 
TEST_F(PinsSetInvertedTest, NullArgs) {
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_pins_set_inverted(nullptr, pins_, true));
}
 
TEST_F(PinsSetInvertedTest, BadPins) {
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_pins_set_inverted(
      &sysrst_ctrl_, pins_ | kDifSysrstCtrlPinEcResetInOut, true));
}
 
TEST_F(PinsSetInvertedTest, Locked) {
  EXPECT_READ32(SYSRST_CTRL_REGWEN_REG_OFFSET, 0);
  EXPECT_EQ(dif_sysrst_ctrl_pins_set_inverted(&sysrst_ctrl_, pins_, true),
            kDifLocked);
}
 
TEST_F(PinsSetInvertedTest, Success) {
  EXPECT_READ32(SYSRST_CTRL_REGWEN_REG_OFFSET, 1);
  EXPECT_READ32(SYSRST_CTRL_KEY_INVERT_CTL_REG_OFFSET, 0);
  EXPECT_WRITE32(SYSRST_CTRL_KEY_INVERT_CTL_REG_OFFSET, pins_);
  EXPECT_DIF_OK(dif_sysrst_ctrl_pins_set_inverted(&sysrst_ctrl_, pins_, true));
 
  EXPECT_READ32(SYSRST_CTRL_REGWEN_REG_OFFSET, 1);
  EXPECT_READ32(SYSRST_CTRL_KEY_INVERT_CTL_REG_OFFSET,
                pins_ | kDifSysrstCtrlPinBatteryDisableOut);
  EXPECT_WRITE32(SYSRST_CTRL_KEY_INVERT_CTL_REG_OFFSET,
                 kDifSysrstCtrlPinBatteryDisableOut);
  EXPECT_DIF_OK(dif_sysrst_ctrl_pins_set_inverted(&sysrst_ctrl_, pins_, false));
}
 
class PinsGetInvertedTest : public SysrstCtrlTest {};
 
TEST_F(PinsGetInvertedTest, NullArgs) {
  uint32_t inverted_pins;
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_pins_get_inverted(nullptr, &inverted_pins));
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_pins_get_inverted(&sysrst_ctrl_, nullptr));
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_pins_get_inverted(nullptr, nullptr));
}
 
TEST_F(PinsGetInvertedTest, Success) {
  uint32_t inverted_pins;
  EXPECT_READ32(SYSRST_CTRL_KEY_INVERT_CTL_REG_OFFSET,
                kDifSysrstCtrlPinKey0In | kDifSysrstCtrlPinKey2Out);
  EXPECT_DIF_OK(
      dif_sysrst_ctrl_pins_get_inverted(&sysrst_ctrl_, &inverted_pins));
  EXPECT_EQ(inverted_pins, kDifSysrstCtrlPinKey0In | kDifSysrstCtrlPinKey2Out);
}
 
class PinOverrideSetAllowedTest : public SysrstCtrlTest {};
 
TEST_F(PinOverrideSetAllowedTest, NullArgs) {
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_output_pin_override_set_allowed(
      nullptr, kDifSysrstCtrlPinKey1Out, true, true));
}
 
TEST_F(PinOverrideSetAllowedTest, BadPin) {
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_output_pin_override_set_allowed(
      &sysrst_ctrl_, kDifSysrstCtrlPinKey1In, true, true));
}
 
TEST_F(PinOverrideSetAllowedTest, Locked) {
  EXPECT_READ32(SYSRST_CTRL_REGWEN_REG_OFFSET, 0);
  EXPECT_EQ(dif_sysrst_ctrl_output_pin_override_set_allowed(
                &sysrst_ctrl_, kDifSysrstCtrlPinKey1Out, true, true),
            kDifLocked);
}
 
TEST_F(PinOverrideSetAllowedTest, Success) {
  EXPECT_READ32(SYSRST_CTRL_REGWEN_REG_OFFSET, 1);
  EXPECT_READ32(SYSRST_CTRL_PIN_ALLOWED_CTL_REG_OFFSET,
                {{SYSRST_CTRL_PIN_ALLOWED_CTL_PWRB_OUT_0_BIT, 1}});
  EXPECT_WRITE32(SYSRST_CTRL_PIN_ALLOWED_CTL_REG_OFFSET,
                 {{SYSRST_CTRL_PIN_ALLOWED_CTL_PWRB_OUT_0_BIT, 1},
                  {SYSRST_CTRL_PIN_ALLOWED_CTL_EC_RST_L_0_BIT, 1},
                  {SYSRST_CTRL_PIN_ALLOWED_CTL_EC_RST_L_1_BIT, 1}});
  EXPECT_DIF_OK(dif_sysrst_ctrl_output_pin_override_set_allowed(
      &sysrst_ctrl_, kDifSysrstCtrlPinEcResetInOut, true, true));
}
 
class PinOverrideGetAllowedTest : public SysrstCtrlTest {};
 
TEST_F(PinOverrideGetAllowedTest, NullArgs) {
  bool allow_zero_;
  bool allow_one_;
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_output_pin_override_get_allowed(
      nullptr, kDifSysrstCtrlPinKey1Out, &allow_zero_, &allow_one_));
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_output_pin_override_get_allowed(
      &sysrst_ctrl_, kDifSysrstCtrlPinKey1Out, nullptr, &allow_one_));
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_output_pin_override_get_allowed(
      &sysrst_ctrl_, kDifSysrstCtrlPinKey1Out, &allow_zero_, nullptr));
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_output_pin_override_get_allowed(
      nullptr, kDifSysrstCtrlPinKey1Out, nullptr, nullptr));
}
 
TEST_F(PinOverrideGetAllowedTest, BadPin) {
  bool allow_zero_;
  bool allow_one_;
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_output_pin_override_get_allowed(
      &sysrst_ctrl_, kDifSysrstCtrlPinKey1In, &allow_zero_, &allow_one_));
}
 
TEST_F(PinOverrideGetAllowedTest, Success) {
  bool allow_zero_;
  bool allow_one_;
  EXPECT_READ32(SYSRST_CTRL_PIN_ALLOWED_CTL_REG_OFFSET,
                {{SYSRST_CTRL_PIN_ALLOWED_CTL_PWRB_OUT_0_BIT, 1},
                 {SYSRST_CTRL_PIN_ALLOWED_CTL_EC_RST_L_0_BIT, 1},
                 {SYSRST_CTRL_PIN_ALLOWED_CTL_EC_RST_L_1_BIT, 1}});
  EXPECT_DIF_OK(dif_sysrst_ctrl_output_pin_override_get_allowed(
      &sysrst_ctrl_, kDifSysrstCtrlPinEcResetInOut, &allow_zero_, &allow_one_));
  EXPECT_TRUE(allow_zero_);
  EXPECT_TRUE(allow_one_);
}
 
class PinOverrideSetEnabledTest : public SysrstCtrlTest {};
 
TEST_F(PinOverrideSetEnabledTest, NullArgs) {
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_output_pin_override_set_enabled(
      nullptr, kDifSysrstCtrlPinKey1Out, kDifToggleEnabled));
}
 
TEST_F(PinOverrideSetEnabledTest, BadArgs) {
  // Bad enabled.
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_output_pin_override_set_enabled(
      &sysrst_ctrl_, kDifSysrstCtrlPinKey1Out, static_cast<dif_toggle_t>(2)));
  // Bad pin.
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_output_pin_override_set_enabled(
      &sysrst_ctrl_, kDifSysrstCtrlPinKey1In, kDifToggleEnabled));
}
 
TEST_F(PinOverrideSetEnabledTest, Success) {
  EXPECT_READ32(SYSRST_CTRL_PIN_OUT_CTL_REG_OFFSET,
                {{SYSRST_CTRL_PIN_OUT_CTL_Z3_WAKEUP_BIT, 1},
                 {SYSRST_CTRL_PIN_OUT_CTL_KEY2_OUT_BIT, 1}});
  EXPECT_WRITE32(SYSRST_CTRL_PIN_OUT_CTL_REG_OFFSET,
                 {{SYSRST_CTRL_PIN_OUT_CTL_Z3_WAKEUP_BIT, 1},
                  {SYSRST_CTRL_PIN_OUT_CTL_KEY2_OUT_BIT, 1},
                  {SYSRST_CTRL_PIN_OUT_CTL_KEY1_OUT_BIT, 1}});
  EXPECT_DIF_OK(dif_sysrst_ctrl_output_pin_override_set_enabled(
      &sysrst_ctrl_, kDifSysrstCtrlPinKey1Out, kDifToggleEnabled));
 
  EXPECT_READ32(SYSRST_CTRL_PIN_OUT_CTL_REG_OFFSET,
                {{SYSRST_CTRL_PIN_OUT_CTL_Z3_WAKEUP_BIT, 1},
                 {SYSRST_CTRL_PIN_OUT_CTL_KEY2_OUT_BIT, 1},
                 {SYSRST_CTRL_PIN_OUT_CTL_KEY1_OUT_BIT, 1}});
  EXPECT_WRITE32(SYSRST_CTRL_PIN_OUT_CTL_REG_OFFSET,
                 {{SYSRST_CTRL_PIN_OUT_CTL_Z3_WAKEUP_BIT, 1},
                  {SYSRST_CTRL_PIN_OUT_CTL_KEY1_OUT_BIT, 1}});
  EXPECT_DIF_OK(dif_sysrst_ctrl_output_pin_override_set_enabled(
      &sysrst_ctrl_, kDifSysrstCtrlPinKey2Out, kDifToggleDisabled));
}
 
class PinOverrideGetEnabledTest : public SysrstCtrlTest {};
 
TEST_F(PinOverrideGetEnabledTest, NullArgs) {
  dif_toggle_t is_enabled;
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_output_pin_override_get_enabled(
      nullptr, kDifSysrstCtrlPinKey1Out, &is_enabled));
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_output_pin_override_get_enabled(
      &sysrst_ctrl_, kDifSysrstCtrlPinKey1Out, nullptr));
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_output_pin_override_get_enabled(
      nullptr, kDifSysrstCtrlPinKey1Out, nullptr));
}
 
TEST_F(PinOverrideGetEnabledTest, BadPin) {
  dif_toggle_t is_enabled;
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_output_pin_override_get_enabled(
      &sysrst_ctrl_, kDifSysrstCtrlPinKey1In, &is_enabled));
}
 
TEST_F(PinOverrideGetEnabledTest, Success) {
  dif_toggle_t is_enabled;
 
  EXPECT_READ32(SYSRST_CTRL_PIN_OUT_CTL_REG_OFFSET,
                {{SYSRST_CTRL_PIN_OUT_CTL_Z3_WAKEUP_BIT, 1}});
  EXPECT_DIF_OK(dif_sysrst_ctrl_output_pin_override_get_enabled(
      &sysrst_ctrl_, kDifSysrstCtrlPinZ3WakeupOut, &is_enabled));
  EXPECT_EQ(is_enabled, kDifToggleEnabled);
 
  EXPECT_READ32(SYSRST_CTRL_PIN_OUT_CTL_REG_OFFSET, 0);
  EXPECT_DIF_OK(dif_sysrst_ctrl_output_pin_override_get_enabled(
      &sysrst_ctrl_, kDifSysrstCtrlPinZ3WakeupOut, &is_enabled));
  EXPECT_EQ(is_enabled, kDifToggleDisabled);
}
 
class PinSetOverrideTest : public SysrstCtrlTest {};
 
TEST_F(PinSetOverrideTest, NullArgs) {
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_output_pin_set_override(
      nullptr, kDifSysrstCtrlPinKey1Out, true));
}
 
TEST_F(PinSetOverrideTest, BadPin) {
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_output_pin_set_override(
      &sysrst_ctrl_, kDifSysrstCtrlPinKey1In, true));
}
 
TEST_F(PinSetOverrideTest, Success) {
  EXPECT_READ32(SYSRST_CTRL_PIN_OUT_VALUE_REG_OFFSET,
                {{SYSRST_CTRL_PIN_OUT_VALUE_FLASH_WP_L_BIT, 1}});
  EXPECT_WRITE32(SYSRST_CTRL_PIN_OUT_VALUE_REG_OFFSET,
                 {{SYSRST_CTRL_PIN_OUT_VALUE_KEY1_OUT_BIT, 1},
                  {SYSRST_CTRL_PIN_OUT_VALUE_FLASH_WP_L_BIT, 1}});
  EXPECT_DIF_OK(dif_sysrst_ctrl_output_pin_set_override(
      &sysrst_ctrl_, kDifSysrstCtrlPinKey1Out, true));
}
 
class PinGetOverrideTest : public SysrstCtrlTest {};
 
TEST_F(PinGetOverrideTest, NullArgs) {
  bool value;
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_output_pin_get_override(
      nullptr, kDifSysrstCtrlPinKey1Out, &value));
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_output_pin_get_override(
      &sysrst_ctrl_, kDifSysrstCtrlPinKey1Out, nullptr));
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_output_pin_get_override(
      nullptr, kDifSysrstCtrlPinKey1Out, nullptr));
}
 
TEST_F(PinGetOverrideTest, BadPin) {
  bool value;
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_output_pin_get_override(
      &sysrst_ctrl_, kDifSysrstCtrlPinKey1In, &value));
}
 
TEST_F(PinGetOverrideTest, Success) {
  bool value;
  EXPECT_READ32(SYSRST_CTRL_PIN_OUT_VALUE_REG_OFFSET,
                {{SYSRST_CTRL_PIN_OUT_VALUE_KEY1_OUT_BIT, 1}});
  EXPECT_DIF_OK(dif_sysrst_ctrl_output_pin_get_override(
      &sysrst_ctrl_, kDifSysrstCtrlPinKey1Out, &value));
  EXPECT_TRUE(value);
 
  EXPECT_READ32(SYSRST_CTRL_PIN_OUT_VALUE_REG_OFFSET,
                {{SYSRST_CTRL_PIN_OUT_VALUE_KEY1_OUT_BIT, 1}});
  EXPECT_DIF_OK(dif_sysrst_ctrl_output_pin_get_override(
      &sysrst_ctrl_, kDifSysrstCtrlPinKey2Out, &value));
  EXPECT_FALSE(value);
}
 
class InputPinReadTest : public SysrstCtrlTest {};
 
TEST_F(InputPinReadTest, NullArgs) {
  bool value;
  EXPECT_DIF_BADARG(
      dif_sysrst_ctrl_input_pin_read(nullptr, kDifSysrstCtrlPinKey2In, &value));
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_input_pin_read(
      &sysrst_ctrl_, kDifSysrstCtrlPinKey2In, nullptr));
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_input_pin_read(
      nullptr, kDifSysrstCtrlPinKey2In, nullptr));
}
 
TEST_F(InputPinReadTest, BadPin) {
  bool value;
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_input_pin_read(
      &sysrst_ctrl_, kDifSysrstCtrlPinKey2Out, &value));
}
 
TEST_F(InputPinReadTest, Success) {
  bool value;
  EXPECT_READ32(SYSRST_CTRL_PIN_IN_VALUE_REG_OFFSET,
                {{SYSRST_CTRL_PIN_IN_VALUE_KEY1_IN_BIT, 1}});
  EXPECT_DIF_OK(dif_sysrst_ctrl_input_pin_read(
      &sysrst_ctrl_, kDifSysrstCtrlPinKey1In, &value));
  EXPECT_TRUE(value);
 
  EXPECT_READ32(SYSRST_CTRL_PIN_IN_VALUE_REG_OFFSET,
                {{SYSRST_CTRL_PIN_IN_VALUE_KEY1_IN_BIT, 1}});
  EXPECT_DIF_OK(dif_sysrst_ctrl_input_pin_read(
      &sysrst_ctrl_, kDifSysrstCtrlPinKey2In, &value));
  EXPECT_FALSE(value);
}
 
class AutoOverrideConfigTest : public SysrstCtrlTest {
 protected:
  dif_sysrst_ctrl_auto_override_config_t config_ = {
      .debounce_time_threshold = 0x150,
      .override_key_0 = kDifToggleEnabled,
      .key_0_override_value = false,
      .override_key_1 = kDifToggleDisabled,
      .key_1_override_value = true,
      .override_key_2 = kDifToggleEnabled,
      .key_2_override_value = true,
  };
};
 
TEST_F(AutoOverrideConfigTest, NullArgs) {
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_auto_override_configure(nullptr, config_,
                                                            kDifToggleEnabled));
}
 
TEST_F(AutoOverrideConfigTest, BadArgs) {
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_auto_override_configure(
      &sysrst_ctrl_, config_, static_cast<dif_toggle_t>(2)));
 
  config_.override_key_0 = static_cast<dif_toggle_t>(2);
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_auto_override_configure(
      &sysrst_ctrl_, config_, kDifToggleEnabled));
  config_.override_key_0 = kDifToggleEnabled;
 
  config_.override_key_1 = static_cast<dif_toggle_t>(2);
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_auto_override_configure(
      &sysrst_ctrl_, config_, kDifToggleEnabled));
  config_.override_key_1 = kDifToggleDisabled;
 
  config_.override_key_2 = static_cast<dif_toggle_t>(2);
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_auto_override_configure(
      &sysrst_ctrl_, config_, kDifToggleEnabled));
  config_.override_key_2 = kDifToggleEnabled;
}
 
TEST_F(AutoOverrideConfigTest, Locked) {
  EXPECT_READ32(SYSRST_CTRL_REGWEN_REG_OFFSET, 0);
  EXPECT_EQ(dif_sysrst_ctrl_auto_override_configure(&sysrst_ctrl_, config_,
                                                    kDifToggleEnabled),
            kDifLocked);
}
 
TEST_F(AutoOverrideConfigTest, Success) {
  EXPECT_READ32(SYSRST_CTRL_REGWEN_REG_OFFSET, 1);
  EXPECT_WRITE32(
      SYSRST_CTRL_AUTO_BLOCK_DEBOUNCE_CTL_REG_OFFSET,
      {{SYSRST_CTRL_AUTO_BLOCK_DEBOUNCE_CTL_AUTO_BLOCK_ENABLE_BIT, true},
       {SYSRST_CTRL_AUTO_BLOCK_DEBOUNCE_CTL_DEBOUNCE_TIMER_OFFSET,
        config_.debounce_time_threshold}});
  EXPECT_WRITE32(SYSRST_CTRL_AUTO_BLOCK_OUT_CTL_REG_OFFSET,
                 {{SYSRST_CTRL_AUTO_BLOCK_OUT_CTL_KEY0_OUT_SEL_BIT, true},
                  {SYSRST_CTRL_AUTO_BLOCK_OUT_CTL_KEY1_OUT_SEL_BIT, false},
                  {SYSRST_CTRL_AUTO_BLOCK_OUT_CTL_KEY2_OUT_SEL_BIT, true},
                  {SYSRST_CTRL_AUTO_BLOCK_OUT_CTL_KEY0_OUT_VALUE_BIT, false},
                  {SYSRST_CTRL_AUTO_BLOCK_OUT_CTL_KEY1_OUT_VALUE_BIT, true},
                  {SYSRST_CTRL_AUTO_BLOCK_OUT_CTL_KEY2_OUT_VALUE_BIT, true}});
  EXPECT_DIF_OK(dif_sysrst_ctrl_auto_override_configure(&sysrst_ctrl_, config_,
                                                        kDifToggleEnabled));
}
 
class AutoOverrideSetEnabledTest : public SysrstCtrlTest {};
 
TEST_F(AutoOverrideSetEnabledTest, NullArgs) {
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_auto_override_set_enabled(
      nullptr, kDifSysrstCtrlKey1, kDifToggleEnabled));
}
 
TEST_F(AutoOverrideSetEnabledTest, BadArgs) {
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_auto_override_set_enabled(
      &sysrst_ctrl_, kDifSysrstCtrlKeyPowerButton, kDifToggleEnabled));
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_auto_override_set_enabled(
      &sysrst_ctrl_, kDifSysrstCtrlKey2, static_cast<dif_toggle_t>(2)));
}
 
TEST_F(AutoOverrideSetEnabledTest, Locked) {
  EXPECT_READ32(SYSRST_CTRL_REGWEN_REG_OFFSET, 0);
  EXPECT_EQ(dif_sysrst_ctrl_auto_override_set_enabled(
                &sysrst_ctrl_, kDifSysrstCtrlKey2, kDifToggleEnabled),
            kDifLocked);
}
 
TEST_F(AutoOverrideSetEnabledTest, Success) {
  EXPECT_READ32(SYSRST_CTRL_REGWEN_REG_OFFSET, 1);
  EXPECT_READ32(SYSRST_CTRL_AUTO_BLOCK_OUT_CTL_REG_OFFSET,
                {{SYSRST_CTRL_AUTO_BLOCK_OUT_CTL_KEY0_OUT_SEL_BIT, true},
                 {SYSRST_CTRL_AUTO_BLOCK_OUT_CTL_KEY1_OUT_SEL_BIT, false},
                 {SYSRST_CTRL_AUTO_BLOCK_OUT_CTL_KEY2_OUT_SEL_BIT, true}});
  EXPECT_WRITE32(SYSRST_CTRL_AUTO_BLOCK_OUT_CTL_REG_OFFSET,
                 {{SYSRST_CTRL_AUTO_BLOCK_OUT_CTL_KEY0_OUT_SEL_BIT, true},
                  {SYSRST_CTRL_AUTO_BLOCK_OUT_CTL_KEY1_OUT_SEL_BIT, false},
                  {SYSRST_CTRL_AUTO_BLOCK_OUT_CTL_KEY2_OUT_SEL_BIT, false}});
  EXPECT_DIF_OK(dif_sysrst_ctrl_auto_override_set_enabled(
      &sysrst_ctrl_, kDifSysrstCtrlKey2, kDifToggleDisabled));
}
 
class AutoOverrideGetEnabledTest : public SysrstCtrlTest {};
 
TEST_F(AutoOverrideGetEnabledTest, NullArgs) {
  dif_toggle_t is_enabled;
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_auto_override_get_enabled(
      nullptr, kDifSysrstCtrlKey1, &is_enabled));
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_auto_override_get_enabled(
      &sysrst_ctrl_, kDifSysrstCtrlKey1, nullptr));
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_auto_override_get_enabled(
      nullptr, kDifSysrstCtrlKey1, nullptr));
}
 
TEST_F(AutoOverrideGetEnabledTest, BadKey) {
  dif_toggle_t is_enabled;
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_auto_override_get_enabled(
      &sysrst_ctrl_, kDifSysrstCtrlKeyPowerButton, &is_enabled));
}
 
TEST_F(AutoOverrideGetEnabledTest, Success) {
  dif_toggle_t is_enabled;
  EXPECT_READ32(SYSRST_CTRL_AUTO_BLOCK_OUT_CTL_REG_OFFSET,
                {{SYSRST_CTRL_AUTO_BLOCK_OUT_CTL_KEY0_OUT_SEL_BIT, true},
                 {SYSRST_CTRL_AUTO_BLOCK_OUT_CTL_KEY1_OUT_SEL_BIT, false},
                 {SYSRST_CTRL_AUTO_BLOCK_OUT_CTL_KEY2_OUT_SEL_BIT, true}});
  EXPECT_DIF_OK(dif_sysrst_ctrl_auto_override_get_enabled(
      &sysrst_ctrl_, kDifSysrstCtrlKey2, &is_enabled));
  EXPECT_EQ(is_enabled, kDifToggleEnabled);
}
 
class KeyComboIrqGetCausesTest : public SysrstCtrlTest {};
 
TEST_F(KeyComboIrqGetCausesTest, NullArgs) {
  uint32_t causes;
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_key_combo_irq_get_causes(nullptr, &causes));
  EXPECT_DIF_BADARG(
      dif_sysrst_ctrl_key_combo_irq_get_causes(&sysrst_ctrl_, nullptr));
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_key_combo_irq_get_causes(nullptr, nullptr));
}
 
TEST_F(KeyComboIrqGetCausesTest, Success) {
  uint32_t causes;
  EXPECT_READ32(SYSRST_CTRL_COMBO_INTR_STATUS_REG_OFFSET, 0xf);
  EXPECT_DIF_OK(
      dif_sysrst_ctrl_key_combo_irq_get_causes(&sysrst_ctrl_, &causes));
  EXPECT_EQ(causes, 0xf);
}
 
class KeyComboIrqClearCausesTest : public SysrstCtrlTest {};
 
TEST_F(KeyComboIrqClearCausesTest, NullArgs) {
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_key_combo_irq_clear_causes(nullptr, 0xf));
}
 
TEST_F(KeyComboIrqClearCausesTest, BadCauses) {
  EXPECT_DIF_BADARG(
      dif_sysrst_ctrl_key_combo_irq_clear_causes(&sysrst_ctrl_, 0x1f));
}
 
TEST_F(KeyComboIrqClearCausesTest, Success) {
  EXPECT_WRITE32(SYSRST_CTRL_COMBO_INTR_STATUS_REG_OFFSET, 0xf);
  EXPECT_DIF_OK(dif_sysrst_ctrl_key_combo_irq_clear_causes(&sysrst_ctrl_, 0xf));
}
 
class InputChangeIrqGetCausesTest : public SysrstCtrlTest {};
 
TEST_F(InputChangeIrqGetCausesTest, NullArgs) {
  uint32_t causes;
  EXPECT_DIF_BADARG(
      dif_sysrst_ctrl_input_change_irq_get_causes(nullptr, &causes));
  EXPECT_DIF_BADARG(
      dif_sysrst_ctrl_input_change_irq_get_causes(&sysrst_ctrl_, nullptr));
  EXPECT_DIF_BADARG(
      dif_sysrst_ctrl_input_change_irq_get_causes(nullptr, nullptr));
}
 
TEST_F(InputChangeIrqGetCausesTest, Success) {
  uint32_t causes;
  EXPECT_READ32(SYSRST_CTRL_KEY_INTR_STATUS_REG_OFFSET, 0x3f);
  EXPECT_DIF_OK(
      dif_sysrst_ctrl_input_change_irq_get_causes(&sysrst_ctrl_, &causes));
  EXPECT_EQ(causes, 0x3f);
}
 
class InputChangeIrqClearCausesTest : public SysrstCtrlTest {};
 
TEST_F(InputChangeIrqClearCausesTest, NullArgs) {
  EXPECT_DIF_BADARG(
      dif_sysrst_ctrl_input_change_irq_clear_causes(nullptr, 0xf));
}
 
TEST_F(InputChangeIrqClearCausesTest, BadCauses) {
  EXPECT_DIF_BADARG(
      dif_sysrst_ctrl_input_change_irq_clear_causes(&sysrst_ctrl_, 0x4000));
}
 
TEST_F(InputChangeIrqClearCausesTest, Success) {
  EXPECT_WRITE32(SYSRST_CTRL_KEY_INTR_STATUS_REG_OFFSET, 0xff);
  EXPECT_DIF_OK(
      dif_sysrst_ctrl_input_change_irq_clear_causes(&sysrst_ctrl_, 0xff));
}
 
class UlpWakeupGetStatusTest : public SysrstCtrlTest {};
 
TEST_F(UlpWakeupGetStatusTest, NullArgs) {
  bool wakeup_detected;
  EXPECT_DIF_BADARG(
      dif_sysrst_ctrl_ulp_wakeup_get_status(nullptr, &wakeup_detected));
  EXPECT_DIF_BADARG(
      dif_sysrst_ctrl_ulp_wakeup_get_status(&sysrst_ctrl_, nullptr));
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_ulp_wakeup_get_status(nullptr, nullptr));
}
 
TEST_F(UlpWakeupGetStatusTest, Success) {
  bool wakeup_detected;
  EXPECT_READ32(SYSRST_CTRL_WKUP_STATUS_REG_OFFSET, 1);
  EXPECT_DIF_OK(
      dif_sysrst_ctrl_ulp_wakeup_get_status(&sysrst_ctrl_, &wakeup_detected));
  EXPECT_TRUE(wakeup_detected);
 
  EXPECT_READ32(SYSRST_CTRL_WKUP_STATUS_REG_OFFSET, 0);
  EXPECT_DIF_OK(
      dif_sysrst_ctrl_ulp_wakeup_get_status(&sysrst_ctrl_, &wakeup_detected));
  EXPECT_FALSE(wakeup_detected);
}
 
class UlpWakeupClearStatusTest : public SysrstCtrlTest {};
 
TEST_F(UlpWakeupClearStatusTest, NullArgs) {
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_ulp_wakeup_clear_status(nullptr));
}
 
TEST_F(UlpWakeupClearStatusTest, Success) {
  EXPECT_WRITE32(SYSRST_CTRL_WKUP_STATUS_REG_OFFSET, 1);
  EXPECT_DIF_OK(dif_sysrst_ctrl_ulp_wakeup_clear_status(&sysrst_ctrl_));
}
 
class LockTest : public SysrstCtrlTest {};
 
TEST_F(LockTest, NullArgs) { EXPECT_DIF_BADARG(dif_sysrst_ctrl_lock(nullptr)); }
 
TEST_F(LockTest, Success) {
  EXPECT_WRITE32(SYSRST_CTRL_REGWEN_REG_OFFSET, 0);
  EXPECT_DIF_OK(dif_sysrst_ctrl_lock(&sysrst_ctrl_));
}
 
class IsLockedTest : public SysrstCtrlTest {};
 
TEST_F(IsLockedTest, NullArgs) {
  bool is_locked;
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_is_locked(nullptr, &is_locked));
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_is_locked(&sysrst_ctrl_, nullptr));
  EXPECT_DIF_BADARG(dif_sysrst_ctrl_is_locked(nullptr, nullptr));
}
 
TEST_F(IsLockedTest, Success) {
  bool is_locked;
  EXPECT_READ32(SYSRST_CTRL_REGWEN_REG_OFFSET, 0);
  EXPECT_DIF_OK(dif_sysrst_ctrl_is_locked(&sysrst_ctrl_, &is_locked));
  EXPECT_TRUE(is_locked);
 
  EXPECT_READ32(SYSRST_CTRL_REGWEN_REG_OFFSET, 1);
  EXPECT_DIF_OK(dif_sysrst_ctrl_is_locked(&sysrst_ctrl_, &is_locked));
  EXPECT_FALSE(is_locked);
}
 
}  // namespace
}  // namespace dif_sysrst_ctrl_unittest