pebble/src/fw/system/bootbits.h

60 lines
2.1 KiB
C

/*
* Copyright 2024 Google LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <stdint.h>
#include <stdbool.h>
#include "system/rtc_registers.h"
typedef enum BootBitValue {
BOOT_BIT_INITIALIZED = 0x1 << 0,
BOOT_BIT_NEW_FW_AVAILABLE = 0x1 << 1,
BOOT_BIT_NEW_FW_UPDATE_IN_PROGRESS = 0x1 << 2,
BOOT_BIT_FW_START_FAIL_STRIKE_ONE = 0x1 << 3,
BOOT_BIT_FW_START_FAIL_STRIKE_TWO = 0x1 << 4,
BOOT_BIT_RECOVERY_LOAD_FAIL_STRIKE_ONE = 0x1 << 5,
BOOT_BIT_RECOVERY_LOAD_FAIL_STRIKE_TWO = 0x1 << 6,
BOOT_BIT_RECOVERY_START_IN_PROGRESS = 0x1 << 7,
BOOT_BIT_STANDBY_MODE_REQUESTED = 0x1 << 8, //!< Bootloader enter standby immediately after reset.
BOOT_BIT_SOFTWARE_FAILURE_OCCURRED = 0x1 << 9,
BOOT_BIT_NEW_SYSTEM_RESOURCES_AVAILABLE = 0x1 << 10,
BOOT_BIT_RESET_LOOP_DETECT_ONE = 0x1 << 11,
BOOT_BIT_RESET_LOOP_DETECT_TWO = 0x1 << 12,
BOOT_BIT_RESET_LOOP_DETECT_THREE = 0x1 << 13,
BOOT_BIT_FW_STABLE = 0x1 << 14,
BOOT_BIT_NEW_FW_INSTALLED = 0x1 << 15,
BOOT_BIT_STANDBY_MODE_ENTERED = 0x1 << 16,
BOOT_BIT_FORCE_PRF = 0x1 << 17,
BOOT_BIT_NEW_PRF_AVAILABLE = 0x1 << 18,
BOOT_BIT_SHUTDOWN_REQUESTED = 0x1 << 19, //!< Bootloader hard power-off instead of jumping to fw.
BOOT_BIT_BOOTLOADER_TEST_A = 0x1 << 30,
BOOT_BIT_BOOTLOADER_TEST_B = 0x1 << 31,
} BootBitValue;
void boot_bit_init();
void boot_bit_set(BootBitValue bit);
void boot_bit_clear(BootBitValue bit);
bool boot_bit_test(BootBitValue bit);
// Dump the contents to PBL_LOG
void boot_bit_dump(void);
uint32_t boot_bits_get(void);
void boot_version_write(void);
uint32_t boot_version_read(void);