diff options
Diffstat (limited to 'resources/depthcharge/patch/0008-vboot-Display-callbacks-for-developer-and-recovery-m.patch')
| -rw-r--r-- | resources/depthcharge/patch/0008-vboot-Display-callbacks-for-developer-and-recovery-m.patch | 251 |
1 files changed, 251 insertions, 0 deletions
diff --git a/resources/depthcharge/patch/0008-vboot-Display-callbacks-for-developer-and-recovery-m.patch b/resources/depthcharge/patch/0008-vboot-Display-callbacks-for-developer-and-recovery-m.patch new file mode 100644 index 0000000..cacc3ec --- /dev/null +++ b/resources/depthcharge/patch/0008-vboot-Display-callbacks-for-developer-and-recovery-m.patch @@ -0,0 +1,251 @@ +From 50a27cb948d3e944e3e466146b0d81939e8ce9a5 Mon Sep 17 00:00:00 2001 +From: Paul Kocialkowski <contact@paulk.fr> +Date: Tue, 11 Aug 2015 11:22:54 +0200 +Subject: [PATCH 8/8] vboot: Display callbacks for developer and recovery mode + screens + +We don't want to use bitmaps stored in GBB since they recommend the use of non- +free software (Chrome OS), so this implements a text-based interface instead. + +Signed-off-by: Paul Kocialkowski <contact@paulk.fr> +--- + src/vboot/callbacks/display.c | 200 ++++++++++++++++++++++++++++++++++++++---- + 1 file changed, 185 insertions(+), 15 deletions(-) + +diff --git a/src/vboot/callbacks/display.c b/src/vboot/callbacks/display.c +index 183e278..ece9140 100644 +--- a/src/vboot/callbacks/display.c ++++ b/src/vboot/callbacks/display.c +@@ -86,12 +86,19 @@ void print_on_center(const char *msg) + print_string(msg); + } + +-VbError_t VbExDisplayScreen(uint32_t screen_type, uint32_t locale) ++VbError_t VbExDisplayScreen(uint32_t screen_type, VbNvContext *vnc, ++ uint32_t locale) + { +- const char *msg = NULL; +- +- if (vboot_draw_screen(screen_type, locale) == CBGFX_SUCCESS) +- return VBERROR_SUCCESS; ++ unsigned int rows, cols; ++ uint32_t default_boot = 0; ++ uint32_t boot_signed_only = 0; ++ uint32_t boot_usb = 0; ++ uint32_t boot_legacy = 0; ++ const char *fw_id; ++ int fw_index; ++ void *blob = NULL; ++ int size = 0; ++ char *msg; + + /* + * Show the debug messages for development. It is a backup method +@@ -103,31 +110,194 @@ VbError_t VbExDisplayScreen(uint32_t screen_type, uint32_t locale) + video_console_clear(); + break; + case VB_SCREEN_DEVELOPER_WARNING: +- msg = "developer mode warning"; ++ video_console_clear(); ++ video_console_set_cursor(0, 0); ++ ++ if (vnc != NULL) { ++ VbNvGet(vnc, VBNV_DEV_BOOT_SIGNED_ONLY, ++ &boot_signed_only); ++ ++ VbNvGet(vnc, VBNV_DEV_BOOT_USB, &boot_usb); ++ VbNvGet(vnc, VBNV_DEV_BOOT_LEGACY, &boot_legacy); ++ ++ VbNvGet(vnc, VBNV_DEV_DEFAULT_BOOT, &default_boot); ++ } ++ ++ print_string( ++ "Welcome to developer mode!\n\n" ++ "Useful key combinations:\n" ++ "- Ctrl + H: Hold developer mode\n" ++ "- Ctrl + D: Boot from internal storage\n"); ++ ++ if (boot_usb) ++ print_string("- Ctrl + U: Boot from external media\n"); ++ ++ if (boot_legacy) ++ print_string("- Ctrl + L: Boot from legacy payload\n"); ++ ++ print_string( ++ "- Ctrl + I: Show device information\n" ++ "- Space: Disable developer mode\n\n" ++ "This screen is shown for 3 seconds (if not held)." ++ "\n\n"); ++ ++ if (vnc != NULL) { ++ if (!boot_signed_only) ++ print_string( ++ "Warning: this device will boot kernels" ++ " without verifying their signature!" ++ "\n"); ++ ++ if (boot_usb) ++ print_string( ++ "Warning: this device will boot from " ++ "external media!\n"); ++ ++ if (boot_legacy) ++ print_string( ++ "Warning: this device will boot legacy " ++ "payloads!\n"); ++ ++ if (!boot_signed_only || boot_usb) ++ print_string("\n"); ++ ++ print_string("Default boot medium: "); ++ ++ switch (default_boot) { ++ case VBNV_DEV_DEFAULT_BOOT_DISK: ++ print_string("internal storage"); ++ break; ++ case VBNV_DEV_DEFAULT_BOOT_USB: ++ print_string("external media"); ++ break; ++ case VBNV_DEV_DEFAULT_BOOT_LEGACY: ++ print_string("legacy payload"); ++ break; ++ default: ++ print_string("unknown"); ++ break; ++ } ++ ++ print_string("\n"); ++ } ++ ++ find_common_params(&blob, &size); ++ ++ if (blob != NULL) { ++ VbSharedDataHeader *vdat = (VbSharedDataHeader *) blob; ++ fw_index = get_active_fw_index(vdat); ++ fw_id = get_fw_id(fw_index); ++ ++ if (fw_id == NULL) ++ fw_id = "NOT FOUND"; ++ ++ print_string("Active firmware id: "); ++ print_string(fw_id); ++ ++ switch (fw_index) { ++ case VDAT_RW_A: ++ print_string(" (RW A)\n"); ++ break; ++ case VDAT_RW_B: ++ print_string(" (RW A)\n"); ++ break; ++ case VDAT_RO: ++ print_string(" (RO)\n"); ++ break; ++ default: ++ print_string(" (UNKNOWN)\n"); ++ break; ++ } ++ } + break; + case VB_SCREEN_DEVELOPER_EGG: +- msg = "easter egg"; ++ video_console_clear(); ++ print_on_center("Free as in Freedom!"); + break; + case VB_SCREEN_RECOVERY_REMOVE: +- msg = "remove inserted devices"; ++ video_console_clear(); ++ print_on_center( ++ "Please remove any external media before accessing " ++ "recovery screen."); + break; + case VB_SCREEN_RECOVERY_INSERT: +- msg = "insert recovery image"; +- break; + case VB_SCREEN_RECOVERY_NO_GOOD: +- msg = "insert image invalid"; ++ video_console_clear(); ++ print_string( ++ "Welcome to recovery mode!\n\n" ++ "Useful key combinations:\n" ++ "- Ctrl + D: Enable developer mode (if possible)\n\n"); ++ ++ if (screen_type == VB_SCREEN_RECOVERY_NO_GOOD) ++ print_on_center( ++ "Invalid recovery media, please instert a " ++ "valid one."); ++ else ++ print_on_center( ++ "Please insert an external recovery media."); ++ break; ++ case VB_SCREEN_RECOVERY_TO_DEV: ++ video_console_clear(); ++ video_get_rows_cols(&rows, &cols); ++ ++ video_console_set_cursor(0, 0); ++ ++ print_string( ++ "Enabling developer mode will allow booting unsigned " ++ "kernels and booting from external media (when enabled " ++ "with crossystem).\n\n" ++ "Developer mode can be disabled via the developer mode " ++ "screen."); ++ ++ msg = "Developer mode will be enabled."; ++ video_console_set_cursor((cols - strlen(msg)) / 2, rows / 2); ++ print_string(msg); ++ ++ msg = "Press enter to confirm or escape to go back."; ++ video_console_set_cursor((cols - strlen(msg)) / 2, ++ rows / 2 + 2); ++ print_string(msg); ++ break; ++ case VB_SCREEN_DEVELOPER_TO_NORM: ++ video_console_clear(); ++ video_get_rows_cols(&rows, &cols); ++ ++ video_console_set_cursor(0, 0); ++ ++ print_string( ++ "Disabling developer mode will restrict boot to signed " ++ "kernels stored on internal memory only.\n\n" ++ "Developer mode can be enabled again via the recovery " ++ "mode screen."); ++ ++ msg = "Developer mode will be disabled."; ++ video_console_set_cursor((cols - strlen(msg)) / 2, rows / 2); ++ print_string(msg); ++ ++ msg = "Press enter to confirm or escape to go back."; ++ video_console_set_cursor((cols - strlen(msg)) / 2, ++ rows / 2 + 2); ++ print_string(msg); + break; + case VB_SCREEN_WAIT: +- msg = "wait for ec update"; ++ video_console_clear(); ++ print_on_center("Waiting for EC update..."); ++ break; ++ case VB_SCREEN_TO_NORM_CONFIRMED: ++ video_console_clear(); ++ print_on_center("Disabling developer mode."); ++ break; ++ case VB_SCREEN_OS_BROKEN: ++ video_console_clear(); ++ print_on_center( ++ "Something went wrong and the device cannot boot.\n" ++ "Press Escape + Refresh + Power to access recovery."); + break; + default: + printf("Not a valid screen type: %d.\n", screen_type); + return VBERROR_INVALID_SCREEN_INDEX; + } + +- if (msg) +- print_on_center(msg); +- + return VBERROR_SUCCESS; + } + +-- +2.8.0 + |