diff options
Diffstat (limited to 'firmware/2lib/2ui_screens.c')
| -rw-r--r-- | firmware/2lib/2ui_screens.c | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/firmware/2lib/2ui_screens.c b/firmware/2lib/2ui_screens.c index 2e5dbfaf..e1b02d0a 100644 --- a/firmware/2lib/2ui_screens.c +++ b/firmware/2lib/2ui_screens.c @@ -642,6 +642,7 @@ static const struct vb2_screen_info recovery_disk_step3_screen = { #define DEVELOPER_MODE_ITEM_RETURN_TO_SECURE 1 #define DEVELOPER_MODE_ITEM_BOOT_INTERNAL 2 #define DEVELOPER_MODE_ITEM_BOOT_EXTERNAL 3 +#define DEVELOPER_MODE_ITEM_SELECT_BOOTLOADER 4 vb2_error_t developer_mode_init(struct vb2_ui_context *ui) { @@ -662,11 +663,20 @@ vb2_error_t developer_mode_init(struct vb2_ui_context *ui) ui->state->disabled_item_mask |= 1 << DEVELOPER_MODE_ITEM_BOOT_EXTERNAL; + /* Don't show "Select alternate bootloader" button if not allowed. */ + if (!vb2_dev_boot_legacy_allowed(ui->ctx)) + ui->state->disabled_item_mask |= + 1 << DEVELOPER_MODE_ITEM_SELECT_BOOTLOADER; + /* Choose the default selection. */ switch (default_boot) { case VB2_DEV_DEFAULT_BOOT_TARGET_EXTERNAL: ui->state->selected_item = DEVELOPER_MODE_ITEM_BOOT_EXTERNAL; break; + case VB2_DEV_DEFAULT_BOOT_TARGET_LEGACY: + ui->state->selected_item = + DEVELOPER_MODE_ITEM_SELECT_BOOTLOADER; + break; default: ui->state->selected_item = DEVELOPER_MODE_ITEM_BOOT_INTERNAL; break; @@ -781,6 +791,10 @@ static const struct vb2_menu_item developer_mode_items[] = { .text = "Boot from external disk", .action = vb2_ui_developer_mode_boot_external_action, }, + [DEVELOPER_MODE_ITEM_SELECT_BOOTLOADER] = { + .text = "Select alternate bootloader", + .target = VB2_SCREEN_DEVELOPER_SELECT_BOOTLOADER, + }, ADVANCED_OPTIONS_ITEM, POWER_OFF_ITEM, }; @@ -860,6 +874,108 @@ static const struct vb2_screen_info developer_invalid_disk_screen = { }; /******************************************************************************/ +/* VB2_SCREEN_DEVELOPER_SELECT_BOOTLOADER */ + +const struct vb2_menu_item developer_select_bootloader_items_before[] = { + LANGUAGE_SELECT_ITEM, +}; + +const struct vb2_menu_item developer_select_bootloader_items_after[] = { + BACK_ITEM, + POWER_OFF_ITEM, +}; + +vb2_error_t vb2_ui_developer_mode_boot_alternate_action( + struct vb2_ui_context *ui) +{ + uint32_t altfw_num; + const size_t menu_before_len = + ARRAY_SIZE(developer_select_bootloader_items_before); + + if (!(ui->ctx->flags & VB2_CONTEXT_DEVELOPER_MODE) || + !vb2_dev_boot_allowed(ui->ctx) || + !vb2_dev_boot_legacy_allowed(ui->ctx)) { + VB2_DEBUG("ERROR: Dev mode alternate bootloader not allowed\n"); + ui->error_beep = 1; + return VB2_REQUEST_UI_CONTINUE; + } + + if (vb2ex_get_bootloader_count() == 0) { + VB2_DEBUG("ERROR: No bootloader was found\n"); + ui->error_beep = 1; + return VB2_REQUEST_UI_CONTINUE; + } + + if (ui->key == VB_KEY_CTRL('L')) { + altfw_num = 0; + VB2_DEBUG("Try booting from default bootloader\n"); + } else { + altfw_num = ui->state->selected_item - menu_before_len + 1; + VB2_DEBUG("Try booting from bootloader #%u\n", altfw_num); + } + + /* VbExLegacy will not return if successful */ + VbExLegacy(altfw_num); + + VB2_DEBUG("ERROR: Alternate bootloader failed\n"); + /* TODO(b/161092974): Leverage the error dialog on error. */ + ui->error_beep = 1; + return VB2_REQUEST_UI_CONTINUE; +} + +static const struct vb2_menu *get_bootloader_menu(struct vb2_ui_context *ui) +{ + int i; + uint32_t num_bootloaders, num_items; + struct vb2_menu_item *items; + const size_t menu_before_len = + ARRAY_SIZE(developer_select_bootloader_items_before); + const size_t menu_after_len = + ARRAY_SIZE(developer_select_bootloader_items_after); + + if (ui->bootloader_menu.num_items > 0) + return &ui->bootloader_menu; + + /* TODO(b/161092974): Show error dialog if no bootloader. */ + num_bootloaders = vb2ex_get_bootloader_count(); + VB2_DEBUG("num_bootloaders: %u\n", num_bootloaders); + num_items = num_bootloaders + menu_before_len + menu_after_len; + items = malloc(num_items * sizeof(struct vb2_menu_item)); + if (!items) { + VB2_DEBUG("ERROR: malloc failed for bootloader items\n"); + return NULL; + } + + /* Copy prefix items to the begin. */ + memcpy(&items[0], + developer_select_bootloader_items_before, + menu_before_len * sizeof(struct vb2_menu_item)); + + /* Copy bootloaders. */ + for (i = 0; i < num_bootloaders; i++) { + items[i + menu_before_len].text = "Some bootloader"; + items[i + menu_before_len].action = + vb2_ui_developer_mode_boot_alternate_action; + } + + /* Copy postfix items to the end. */ + memcpy(&items[num_items - menu_after_len], + developer_select_bootloader_items_after, + menu_after_len * sizeof(struct vb2_menu_item)); + + ui->bootloader_menu.num_items = num_items; + ui->bootloader_menu.items = items; + + return &ui->bootloader_menu; +} + +static const struct vb2_screen_info developer_select_bootloader_screen = { + .id = VB2_SCREEN_DEVELOPER_SELECT_BOOTLOADER, + .name = "Select alternate bootloader", + .get_menu = get_bootloader_menu, +}; + +/******************************************************************************/ /* VB2_SCREEN_DIAGNOSTICS */ static const struct vb2_menu_item diagnostics_items[] = { @@ -1071,6 +1187,7 @@ static const struct vb2_screen_info *screens[] = { &developer_to_norm_screen, &developer_boot_external_screen, &developer_invalid_disk_screen, + &developer_select_bootloader_screen, &diagnostics_screen, &diagnostics_storage_screen, &diagnostics_memory_quick_screen, |