diff options
Diffstat (limited to 'firmware/2lib/2ui_screens.c')
| -rw-r--r-- | firmware/2lib/2ui_screens.c | 208 |
1 files changed, 200 insertions, 8 deletions
diff --git a/firmware/2lib/2ui_screens.c b/firmware/2lib/2ui_screens.c index ca492039..356b3bfb 100644 --- a/firmware/2lib/2ui_screens.c +++ b/firmware/2lib/2ui_screens.c @@ -10,7 +10,8 @@ #include "2nvstorage.h" #include "2ui.h" #include "2ui_private.h" -#include "vboot_api.h" /* for VB_KEY_ */ +#include "vboot_api.h" +#include "vboot_kernel.h" #define MENU_ITEMS(a) \ .num_items = ARRAY_SIZE(a), \ @@ -45,12 +46,26 @@ static const struct vb2_screen_info recovery_broken_screen = { /******************************************************************************/ /* VB2_SCREEN_ADVANCED_OPTIONS */ +#define ADVANCED_OPTIONS_ITEM_DEVELOPER_MODE 0 +#define ADVANCED_OPTIONS_ITEM_BACK 1 + +vb2_error_t advanced_options_init(struct vb2_ui_context *ui) +{ + if (vb2_get_sd(ui->ctx)->flags & VB2_SD_FLAG_DEV_MODE_ENABLED) { + ui->state.disabled_item_mask |= + 1 << ADVANCED_OPTIONS_ITEM_DEVELOPER_MODE; + ui->state.selected_item = ADVANCED_OPTIONS_ITEM_BACK; + } + + return VB2_REQUEST_UI_CONTINUE; +} + static const struct vb2_menu_item advanced_options_items[] = { - { - .text = "Developer mode", + [ADVANCED_OPTIONS_ITEM_DEVELOPER_MODE] = { + .text = "Enable developer mode", .target = VB2_SCREEN_RECOVERY_TO_DEV, }, - { + [ADVANCED_OPTIONS_ITEM_BACK] = { .text = "Back", .action = vb2_ui_back_action, }, @@ -59,6 +74,7 @@ static const struct vb2_menu_item advanced_options_items[] = { static const struct vb2_screen_info advanced_options_screen = { .id = VB2_SCREEN_ADVANCED_OPTIONS, .name = "Advanced options", + .init = advanced_options_init, MENU_ITEMS(advanced_options_items), }; @@ -95,6 +111,7 @@ static const struct vb2_screen_info recovery_invalid_screen = { /* VB2_SCREEN_RECOVERY_TO_DEV */ #define RECOVERY_TO_DEV_ITEM_CONFIRM 0 +#define RECOVERY_TO_DEV_ITEM_CANCEL 1 vb2_error_t recovery_to_dev_init(struct vb2_ui_context *ui) { @@ -109,9 +126,11 @@ vb2_error_t recovery_to_dev_init(struct vb2_ui_context *ui) } /* Disable "Confirm" button for other physical presence types. */ - if (!PHYSICAL_PRESENCE_KEYBOARD) - ui->state.disabled_item_mask = + if (!PHYSICAL_PRESENCE_KEYBOARD) { + ui->state.disabled_item_mask |= 1 << RECOVERY_TO_DEV_ITEM_CONFIRM; + ui->state.selected_item = RECOVERY_TO_DEV_ITEM_CANCEL; + } return VB2_REQUEST_UI_CONTINUE; } @@ -158,7 +177,7 @@ vb2_error_t vb2_ui_recovery_to_dev_action(struct vb2_ui_context *ui) /* Sanity check, should never happen. */ if ((vb2_get_sd(ui->ctx)->flags & VB2_SD_FLAG_DEV_MODE_ENABLED) || !vb2_allow_recovery(ui->ctx)) { - VB2_DEBUG("ERROR: dev transition sanity check failed\n"); + VB2_DEBUG("ERROR: Dev transition sanity check failed\n"); return VB2_REQUEST_UI_CONTINUE; } @@ -172,7 +191,7 @@ static const struct vb2_menu_item recovery_to_dev_items[] = { .text = "Confirm", .action = vb2_ui_recovery_to_dev_action, }, - { + [RECOVERY_TO_DEV_ITEM_CANCEL] = { .text = "Cancel", .action = vb2_ui_back_action, }, @@ -203,6 +222,177 @@ static const struct vb2_screen_info recovery_disk_step1_screen = { }; /******************************************************************************/ +/* VB2_SCREEN_DEVELOPER_MODE */ + +#define DEVELOPER_MODE_ITEM_RETURN_TO_SECURE 0 +#define DEVELOPER_MODE_ITEM_BOOT_INTERNAL 1 +#define DEVELOPER_MODE_ITEM_BOOT_EXTERNAL 2 + +vb2_error_t developer_mode_init(struct vb2_ui_context *ui) +{ + enum vb2_dev_default_boot default_boot = + vb2_get_dev_boot_target(ui->ctx); + + /* Get me outta here! */ + if (!vb2_dev_boot_allowed(ui->ctx)) + vb2_ui_change_screen(ui, VB2_SCREEN_DEVELOPER_TO_NORM); + + /* Don't show "Return to secure mode" button if GBB forces dev mode. */ + if (vb2_get_gbb(ui->ctx)->flags & VB2_GBB_FLAG_FORCE_DEV_SWITCH_ON) + ui->state.disabled_item_mask |= + 1 << DEVELOPER_MODE_ITEM_RETURN_TO_SECURE; + + /* Don't show "Boot from external disk" button if not allowed. */ + if (!vb2_dev_boot_usb_allowed(ui->ctx)) + ui->state.disabled_item_mask |= + 1 << DEVELOPER_MODE_ITEM_BOOT_EXTERNAL; + + /* Choose the default selection. */ + switch (default_boot) { + case VB2_DEV_DEFAULT_BOOT_USB: + ui->state.selected_item = DEVELOPER_MODE_ITEM_BOOT_EXTERNAL; + break; + default: + ui->state.selected_item = DEVELOPER_MODE_ITEM_BOOT_INTERNAL; + break; + } + + ui->start_time = VbExGetTimer(); + + return VB2_REQUEST_UI_CONTINUE; +} + +vb2_error_t vb2_ui_developer_mode_boot_internal_action( + struct vb2_ui_context *ui) +{ + if (!(ui->ctx->flags & VB2_CONTEXT_DEVELOPER_MODE) || + !vb2_dev_boot_allowed(ui->ctx)) { + VB2_DEBUG("ERROR: Dev mode internal boot not allowed\n"); + return VB2_REQUEST_UI_CONTINUE; + } + + if (VbTryLoadKernel(ui->ctx, VB_DISK_FLAG_FIXED)) { + VB2_DEBUG("ERROR: Dev mode internal boot failed\n"); + return VB2_REQUEST_UI_CONTINUE; + } + + return VB2_SUCCESS; +} + +vb2_error_t vb2_ui_developer_mode_boot_external_action( + struct vb2_ui_context *ui) +{ + /* Sanity check, should never happen. */ + if (!(ui->ctx->flags & VB2_CONTEXT_DEVELOPER_MODE) || + !vb2_dev_boot_allowed(ui->ctx) || + !vb2_dev_boot_usb_allowed(ui->ctx)) { + VB2_DEBUG("ERROR: Dev mode external boot not allowed\n"); + return VB2_REQUEST_UI_CONTINUE; + } + + if (VbTryLoadKernel(ui->ctx, VB_DISK_FLAG_REMOVABLE)) { + VB2_DEBUG("ERROR: Dev mode external boot failed\n"); + return VB2_REQUEST_UI_CONTINUE; + } + + return VB2_SUCCESS; +} + +vb2_error_t developer_mode_action(struct vb2_ui_context *ui) +{ + struct vb2_gbb_header *gbb = vb2_get_gbb(ui->ctx); + const int use_short = gbb->flags & VB2_GBB_FLAG_DEV_SCREEN_SHORT_DELAY; + uint64_t elapsed; + + /* Once any user interaction occurs, stop the timer. */ + if (ui->key) + ui->disable_timer = 1; + if (ui->disable_timer) + return VB2_REQUEST_UI_CONTINUE; + + elapsed = VbExGetTimer() - ui->start_time; + + /* If we're using short delay, wait 2 seconds and don't beep. */ + if (use_short && elapsed > 2 * VB_USEC_PER_SEC) { + VB2_DEBUG("Booting default target after 2s\n"); + ui->disable_timer = 1; + return vb2_ui_menu_select_action(ui); + } + + /* Otherwise, beep at 20 and 20.5 seconds. */ + if ((ui->beep_count == 0 && elapsed > 20 * VB_USEC_PER_SEC) || + (ui->beep_count == 1 && elapsed > 20500 * VB_USEC_PER_MSEC)) { + VbExBeep(250, 400); + ui->beep_count++; + } + + /* Stop after 30 seconds. */ + if (elapsed > 30 * VB_USEC_PER_SEC) { + VB2_DEBUG("Booting default target after 30s\n"); + ui->disable_timer = 1; + return vb2_ui_menu_select_action(ui); + } + + return VB2_REQUEST_UI_CONTINUE; +} + +static const struct vb2_menu_item developer_mode_items[] = { + [DEVELOPER_MODE_ITEM_RETURN_TO_SECURE] = { + .text = "Return to secure mode", + .target = VB2_SCREEN_DEVELOPER_TO_NORM, + }, + [DEVELOPER_MODE_ITEM_BOOT_INTERNAL] = { + .text = "Boot from internal disk", + .action = vb2_ui_developer_mode_boot_internal_action, + }, + [DEVELOPER_MODE_ITEM_BOOT_EXTERNAL] = { + .text = "Boot from external disk", + .action = vb2_ui_developer_mode_boot_external_action, + }, + ADVANCED_OPTIONS_ITEM, +}; + +static const struct vb2_screen_info developer_mode_screen = { + .id = VB2_SCREEN_DEVELOPER_MODE, + .name = "Developer mode", + .init = developer_mode_init, + .action = developer_mode_action, + MENU_ITEMS(developer_mode_items), +}; + +/******************************************************************************/ +/* VB2_SCREEN_DEVELOPER_TO_NORM */ + +vb2_error_t developer_to_norm_action(struct vb2_ui_context *ui) +{ + if (vb2_get_gbb(ui->ctx)->flags & VB2_GBB_FLAG_FORCE_DEV_SWITCH_ON) { + VB2_DEBUG("ERROR: dev mode forced by GBB flag\n"); + return VB2_REQUEST_UI_CONTINUE; + } + + VB2_DEBUG("Leaving dev mode\n"); + vb2_nv_set(ui->ctx, VB2_NV_DISABLE_DEV_REQUEST, 1); + return VB2_REQUEST_REBOOT; +} + +static const struct vb2_menu_item developer_to_norm_items[] = { + { + .text = "Confirm", + .action = developer_to_norm_action, + }, + { + .text = "Cancel", + .action = vb2_ui_back_action, + }, +}; + +static const struct vb2_screen_info developer_to_norm_screen = { + .id = VB2_SCREEN_DEVELOPER_TO_NORM, + .name = "Transition to normal mode", + MENU_ITEMS(developer_to_norm_items), +}; + +/******************************************************************************/ /* * TODO(chromium:1035800): Refactor UI code across vboot and depthcharge. * Currently vboot and depthcharge maintain their own copies of menus/screens. @@ -219,6 +409,8 @@ static const struct vb2_screen_info *screens[] = { &recovery_to_dev_screen, &recovery_phone_step1_screen, &recovery_disk_step1_screen, + &developer_mode_screen, + &developer_to_norm_screen, }; const struct vb2_screen_info *vb2_get_screen_info(enum vb2_screen id) |