| /* |
| * This file is part of the coreinfo project. |
| * |
| * Copyright (C) 2008 Uwe Hermann <uwe@hermann-uwe.de> |
| * |
| * 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; version 2 of the License. |
| * |
| * 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. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include "coreinfo.h" |
| |
| #ifdef CONFIG_MODULE_BOOTLOG |
| |
| #define CONFIG_COREBOOT_PRINTK_BUFFER_ADDR 0x90000 |
| #define CONFIG_COREBOOT_PRINTK_BUFFER_SIZE 65536 |
| |
| static char *buf; |
| static s32 cursor = 0; |
| static s32 cursor_max; |
| |
| static int bootlog_module_init(void) |
| { |
| int i; |
| volatile unsigned long *ptr = |
| (void *)(CONFIG_COREBOOT_PRINTK_BUFFER_ADDR + 16); /* FIXME */ |
| |
| buf = malloc(CONFIG_COREBOOT_PRINTK_BUFFER_SIZE); |
| if (!buf) { |
| /* TODO */ |
| } |
| |
| memcpy(buf, (char *)ptr, CONFIG_COREBOOT_PRINTK_BUFFER_SIZE); |
| |
| cursor_max = CONFIG_COREBOOT_PRINTK_BUFFER_SIZE; |
| for (i = 0; i < 20; i++) { |
| do { |
| cursor_max--; |
| } while (*(buf + cursor_max) != '\n'); |
| } |
| cursor_max++; /* Stay _behind_ the newline. */ |
| |
| /* TODO: Maybe a _cleanup hook where we call free()? */ |
| |
| return 0; |
| } |
| |
| static int bootlog_module_redraw(WINDOW *win) |
| { |
| int x = 0, y = 0; |
| char *tmp = buf + cursor; |
| |
| print_module_title(win, "Coreboot Bootlog"); |
| |
| /* FIXME: Handle lines longer than 80 characters. */ |
| while (y <= 18) { |
| mvwaddch(win, y + 2, x, isprint(*tmp) ? *tmp : ' '); |
| x++; |
| tmp++; |
| if (*tmp == '\n') { |
| y++; |
| x = 0; |
| tmp++; /* Skip the newline. */ |
| } |
| } |
| |
| return 0; |
| } |
| |
| /* TODO: Simplify code. */ |
| static int bootlog_module_handle(int key) |
| { |
| int i; |
| |
| switch (key) { |
| case KEY_DOWN: |
| if (cursor == cursor_max) |
| return 0; |
| while (*(buf + cursor) != '\n') |
| cursor++; |
| cursor++; /* Skip the newline. */ |
| break; |
| case KEY_UP: |
| if (cursor == 0) |
| return 0; |
| cursor--; /* Skip the newline. */ |
| do { |
| cursor--; |
| } while (*(buf + cursor) != '\n'); |
| cursor++; /* Stay _behind_ the newline. */ |
| break; |
| case KEY_NPAGE: |
| if (cursor == cursor_max) |
| return 0; |
| for (i = 0; i < 20; i++) { |
| while (*(buf + cursor) != '\n') |
| cursor++; |
| cursor++; /* Skip the newline. */ |
| } |
| break; |
| case KEY_PPAGE: |
| if (cursor == 0) |
| return 0; |
| for (i = 0; i < 20; i++) { |
| do { |
| cursor--; |
| } while (*(buf + cursor) != '\n'); |
| } |
| cursor++; /* Stay _behind_ the newline. */ |
| break; |
| } |
| |
| if (cursor > cursor_max) |
| cursor = cursor_max; |
| |
| if (cursor < 0) |
| cursor = 0; |
| |
| return 1; |
| } |
| |
| struct coreinfo_module bootlog_module = { |
| .name = "Bootlog", |
| .init = bootlog_module_init, |
| .redraw = bootlog_module_redraw, |
| .handle = bootlog_module_handle, |
| }; |
| |
| #else |
| |
| struct coreinfo_module bootlog_module = { |
| }; |
| |
| #endif |