/** * Copyright (c) 2024 Raspberry Pi (Trading) Ltd. * * SPDX-License-Identifier: BSD-3-Clause */ #include <stdio.h> #include "pico/stdlib.h" #include "pico/bootrom.h" #include "hardware/watchdog.h" static void print_partition_name(int8_t partition) { switch (partition) { case BOOT_PARTITION_NONE: { printf("\tnone\n"); break; } case BOOT_PARTITION_SLOT0: { printf("\tslot0\n"); break; } case BOOT_PARTITION_SLOT1: { printf("\tslot1\n"); break; } case BOOT_PARTITION_WINDOW: { printf("\twindow\n"); break; } default: { printf("\tunknown\n"); break; } } } static void print_boot_type_name(uint8_t boot_type) { switch (boot_type & ~BOOT_TYPE_CHAINED_FLAG) { case BOOT_TYPE_NORMAL: { printf("\tnormal\n"); break; } case BOOT_TYPE_BOOTSEL: { printf("\tbootsel\n"); break; } case BOOT_TYPE_RAM_IMAGE: { printf("\tram image\n"); break; } case BOOT_TYPE_FLASH_UPDATE: { printf("\tflash update\n"); break; } case BOOT_TYPE_PC_SP: { printf("\tpc_sp\n"); break; } default: { printf("\tunknown\n"); break; } } if (boot_type & BOOT_TYPE_CHAINED_FLAG) { printf("\tchained\n"); } } static void print_try_before_you_buy_name(uint8_t tbyb) { assert((tbyb & BOOT_TBYB_AND_UPDATE_FLAG_OTP_VERSION_APPLIED) || !(tbyb & BOOT_TBYB_AND_UPDATE_FLAG_OTHER_ERASED)); switch (tbyb & ~BOOT_TBYB_AND_UPDATE_FLAG_OTHER_ERASED) { case 0: { printf("\tnone\n"); break; } case BOOT_TBYB_AND_UPDATE_FLAG_BUY_PENDING: { printf("\tpending\n"); break; } case BOOT_TBYB_AND_UPDATE_FLAG_OTP_VERSION_APPLIED: { printf("\tapplied\n"); if (tbyb & BOOT_TBYB_AND_UPDATE_FLAG_OTHER_ERASED) { printf("\tother erased\n"); } break; } default: { printf("\tunknow\n"); break; } } } static void print_boot_diagnostics(uint32_t boot_diagnostic) { if (boot_diagnostic & BOOT_DIAGNOSTIC_WINDOW_SEARCHED) { printf("\twindow searched\n"); } if (boot_diagnostic & BOOT_DIAGNOSTIC_INVALID_BLOCK_LOOP) { printf("\tinvalid block loop\n"); } if (boot_diagnostic & BOOT_DIAGNOSTIC_VALID_BLOCK_LOOP) { printf("\tvalid block loop\n"); } if (boot_diagnostic & BOOT_DIAGNOSTIC_VALID_IMAGE_DEF) { printf("\tvalid image def\n"); } if (boot_diagnostic & BOOT_DIAGNOSTIC_HAS_PARTITION_TABLE) { printf("\thas partition table\n"); } if (boot_diagnostic & BOOT_DIAGNOSTIC_CONSIDERED) { printf("\tconsidered\n"); } if (boot_diagnostic & BOOT_DIAGNOSTIC_CHOSEN) { printf("\tchosen\n"); } if (boot_diagnostic & BOOT_DIAGNOSTIC_PARTITION_TABLE_MATCHING_KEY_FOR_VERIFY) { printf("\tpartition table matching key for verify\n"); } if (boot_diagnostic & BOOT_DIAGNOSTIC_PARTITION_TABLE_HASH_FOR_VERIFY) { printf("\tpartition table hash for verify\n"); } if (boot_diagnostic & BOOT_DIAGNOSTIC_PARTITION_TABLE_VERIFIED_OK) { printf("\tpartition table verified ok\n"); } if (boot_diagnostic & BOOT_DIAGNOSTIC_IMAGE_DEF_MATCHING_KEY_FOR_VERIFY) { printf("\timage def matching key for verify\n"); } if (boot_diagnostic & BOOT_DIAGNOSTIC_IMAGE_DEF_HASH_FOR_VERIFY) { printf("\timage def hash for verify\n"); } if (boot_diagnostic & BOOT_DIAGNOSTIC_IMAGE_DEF_VERIFIED_OK) { printf("\timage def verified ok\n"); } if (boot_diagnostic & BOOT_DIAGNOSTIC_LOAD_MAP_ENTRIES_LOADED) { printf("\tload map entries loaded\n"); } if (boot_diagnostic & BOOT_DIAGNOSTIC_IMAGE_LAUNCHED) { printf("\timage launched\n"); } if (boot_diagnostic & BOOT_DIAGNOSTIC_IMAGE_CONDITION_FAILURE) { printf("\timage condition failure\n"); } } int main() { stdio_init_all(); boot_info_t boot_info; hard_assert(rom_get_boot_info(&boot_info)); // This information is also available via rom_get_last_boot_type or rom_get_last_boot_type_with_chained_flag printf("boot_type: %u\n", boot_info.boot_type); print_boot_type_name(boot_info.boot_type); printf("reboot_params: 0x%08x:0x%08x\n", boot_info.reboot_params[0], boot_info.reboot_params[1]); printf("diagnostic_partition_index: %d\n", boot_info.diagnostic_partition_index); print_partition_name(boot_info.diagnostic_partition_index); printf("recent_boot_partition: %d\n", boot_info.partition); print_partition_name(boot_info.partition); printf("recent_boot_tbyb_and_update_info: %u\n", boot_info.tbyb_and_update_info); print_try_before_you_buy_name(boot_info.tbyb_and_update_info); printf("boot_diagnostics 0x%08x:\n", boot_info.boot_diagnostic); print_boot_diagnostics(boot_info.boot_diagnostic); printf("watchdog reboot %d (0x%x)\n", watchdog_caused_reboot(), watchdog_hw->reason); }

This firmware image was imported from the pico-examples repository. 


Copyright 2020 (c) 2020 Raspberry Pi (Trading) Ltd.

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