| /* |
| * Copyright 2012 Google Inc. |
| * |
| * See file CREDITS for list of people who contributed to this |
| * project. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation; either version 2 of |
| * the License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but without any warranty; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| |
| #include <assert.h> |
| #include <libpayload.h> |
| #include <sysinfo.h> |
| #include <vboot_api.h> |
| #include <vboot_struct.h> |
| |
| #include "config.h" |
| #include "base/cleanup_funcs.h" |
| #include "base/graphics.h" |
| #include "drivers/tpm/tpm.h" |
| #include "drivers/video/coreboot_fb.h" |
| #include "drivers/video/display.h" |
| #include "vboot/firmware_id.h" |
| #include "vboot/screens.h" |
| #include "vboot/util/commonparams.h" |
| |
| VbError_t VbExDisplayInit(uint32_t *width, uint32_t *height) |
| { |
| if (display_init()) |
| return VBERROR_UNKNOWN; |
| |
| video_init(); |
| video_console_cursor_enable(0); |
| |
| if (gbb_copy_in_bmp_block()) |
| return VBERROR_UNKNOWN; |
| |
| if (lib_sysinfo.framebuffer) { |
| *width = lib_sysinfo.framebuffer->x_resolution; |
| *height = lib_sysinfo.framebuffer->y_resolution; |
| } else { |
| *width = *height = 0; |
| } |
| |
| return VBERROR_SUCCESS; |
| } |
| |
| VbError_t VbExDisplayBacklight(uint8_t enable) |
| { |
| if (backlight_update(enable)) |
| return VBERROR_UNKNOWN; |
| |
| return VBERROR_SUCCESS; |
| } |
| |
| static void print_string(const char *str) |
| { |
| int str_len = strlen(str); |
| while (str_len--) { |
| if (*str == '\n') |
| video_console_putchar('\r'); |
| video_console_putchar(*str++); |
| } |
| } |
| |
| static void print_string_newline(const char *str) |
| { |
| print_string(str); |
| print_string("\n"); |
| } |
| |
| void print_on_center(const char *msg) |
| { |
| unsigned int rows, cols; |
| video_get_rows_cols(&rows, &cols); |
| video_console_set_cursor((cols - strlen(msg)) / 2, rows / 2); |
| print_string(msg); |
| } |
| |
| VbError_t VbExDisplayScreen(uint32_t screen_type, uint32_t locale) |
| { |
| const char *msg = NULL; |
| |
| if (vboot_draw_screen(screen_type, locale) == CBGFX_SUCCESS) |
| return VBERROR_SUCCESS; |
| |
| /* |
| * Show the debug messages for development. It is a backup method |
| * when GBB does not contain a full set of bitmaps. |
| */ |
| switch (screen_type) { |
| case VB_SCREEN_BLANK: |
| // clear the screen |
| video_console_clear(); |
| break; |
| case VB_SCREEN_BASE: |
| break; |
| case VB_SCREEN_DEVELOPER_WARNING: |
| msg = "developer mode warning"; |
| break; |
| case VB_SCREEN_DEVELOPER_EGG: |
| msg = "easter egg"; |
| break; |
| case VB_SCREEN_RECOVERY_REMOVE: |
| msg = "remove inserted devices"; |
| break; |
| case VB_SCREEN_RECOVERY_INSERT: |
| msg = "insert recovery image"; |
| break; |
| case VB_SCREEN_RECOVERY_NO_GOOD: |
| msg = "insert image invalid"; |
| break; |
| case VB_SCREEN_WAIT: |
| msg = "wait for ec update"; |
| 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; |
| } |
| |
| VbError_t VbExDisplayMenu(uint32_t screen_type, uint32_t locale, |
| uint32_t selected_index, uint32_t redraw_base) |
| { |
| return vboot_draw_ui(screen_type, locale, selected_index, redraw_base); |
| } |
| |
| VbError_t VbExDisplayImage(uint32_t x, uint32_t y, |
| void *buffer, uint32_t buffersize) |
| { |
| if (dc_corebootfb_draw_bitmap(x, y, buffer)) |
| return VBERROR_UNKNOWN; |
| |
| return VBERROR_SUCCESS; |
| } |
| |
| VbError_t VbExDisplayText(uint32_t x, uint32_t y, |
| const char *info_str, |
| int highlight) |
| { |
| const int black = 0; |
| const int white = 15; |
| |
| int text_fg = black; |
| int text_bg = white; |
| if (highlight) { |
| int tmp = text_bg; |
| text_bg = text_fg; |
| text_fg = tmp; |
| } |
| |
| graphics_print_text_xy(info_str, text_fg, text_bg, x, y, |
| VIDEO_PRINTF_ALIGN_KEEP); |
| |
| return VBERROR_SUCCESS; |
| } |
| |
| VbError_t VbExDisplaySetDimension(uint32_t width, uint32_t height) |
| { |
| // TODO(hungte) Shift or scale images if width/height is not equal to |
| // lib_sysinfo.framebuffer->{x,y}_resolution. |
| return VBERROR_SUCCESS; |
| } |
| |
| VbError_t VbExDisplayGetDimension(uint32_t *width, uint32_t *height) |
| { |
| video_get_rows_cols(height, width); |
| |
| return VBERROR_SUCCESS; |
| } |
| |
| VbError_t VbExDisplayDebugInfo(const char *info_str) |
| { |
| video_console_set_cursor(0, 0); |
| print_string(info_str); |
| |
| print_string("read-only firmware id: "); |
| print_string_newline(get_ro_fw_id()); |
| |
| print_string("active firmware id: "); |
| const char *id = get_active_fw_id(); |
| if (id == NULL) |
| id = "NOT FOUND"; |
| print_string_newline(id); |
| |
| print_string("TPM state: "); |
| if (IS_ENABLED(CONFIG_DRIVER_TPM)) { |
| char *tpm_state = tpm_report_state(); |
| if (tpm_state) { |
| print_string(tpm_state); |
| free(tpm_state); |
| } else { |
| print_string_newline(" not supported"); |
| } |
| } else { |
| if (IS_ENABLED(CONFIG_DRIVER_MOCK_TPM)) |
| print_string_newline(" MOCK TPM"); |
| else |
| print_string_newline(" not supported"); |
| } |
| |
| return VBERROR_SUCCESS; |
| } |
| |
| VbError_t VbExGetLocalizationCount(uint32_t *count) |
| { |
| *count = vboot_get_locale_count(); |
| return VBERROR_SUCCESS; |
| } |