bootloader/common.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id: main.c 11997 2007-01-13 09:08:18Z miipekk $
   9  *
  10  * Copyright (C) 2005 by Linus Nielsen Feltzing
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21 #include "lcd.h"
  22 #include "lcd-remote.h"
  23 #include "font.h"
  24 #include "system.h"
  25 #include <stdarg.h>
  26 #include <stdio.h>
  27 #include <stdbool.h>
  28 #include "cpu.h"
  29 #include "common.h"
  30 #include "power.h"
  31 #include "kernel.h"
  32 #include "config.h"
  33 #include "logf.h"
  34 #include "button.h"
  35 #include "string.h"
  36 #include "usb.h"
  37 #include "file.h"
  38
  39 /* TODO: Other bootloaders need to be adjusted to set this variable to true
  40    on a button press - currently only the ipod, H10, Vibe 500 and Sansa versions do. */
  41 #if defined(IPOD_ARCH) || defined(IRIVER_H10)  || defined(IRIVER_H10_5GB) \
  42  || defined(SANSA_E200) || defined(SANSA_C200) || defined(GIGABEAT_F) \
  43  || (CONFIG_CPU == AS3525) || (CONFIG_CPU == AS3525v2) || defined(COWON_D2) \
  44  || defined(MROBE_100) || defined(MROBE_500) \
  45  || defined(SAMSUNG_YH925) || defined(SAMSUNG_YH920) \
  46  || defined(SAMSUNG_YH820) || defined(PHILIPS_SA9200) \
  47  || defined(PHILIPS_HDD1630) || defined(PHILIPS_HDD6330) \
  48  || defined(ONDA_VX747) || defined(PBELL_VIBE500)
  49 bool verbose = false;
  50 #else
  51 bool verbose = true;
  52 #endif
  53
  54 int line = 0;
  55 #ifdef HAVE_REMOTE_LCD
  56 int remote_line = 0;
  57 #endif
  58
  59 char printfbuf[256];
  60
  61 void reset_screen(void)
  62 {
  63     lcd_clear_display();
  64     line = 0;
  65 #ifdef HAVE_REMOTE_LCD
  66     lcd_remote_clear_display();
  67     remote_line = 0;
  68 #endif
  69 }
  70
  71 int printf(const char *format, ...)
  72 {
  73     int len;
  74     unsigned char *ptr;
  75     va_list ap;
  76     va_start(ap, format);
  77
  78     ptr = printfbuf;
  79     len = vsnprintf(ptr, sizeof(printfbuf), format, ap);
  80     va_end(ap);
  81
  82     lcd_puts(0, line++, ptr);
  83     if (verbose)
  84         lcd_update();
  85     if(line >= LCD_HEIGHT/SYSFONT_HEIGHT)
  86         line = 0;
  87 #ifdef HAVE_REMOTE_LCD
  88     lcd_remote_puts(0, remote_line++, ptr);
  89     if (verbose)
  90         lcd_remote_update();
  91     if(remote_line >= LCD_REMOTE_HEIGHT/SYSFONT_HEIGHT)
  92         remote_line = 0;
  93 #endif
  94     return len;
  95 }
  96
  97 char *strerror(int error)
  98 {
  99     switch(error)
 100     {
 101     case EOK:
 102         return "OK";
 103     case EFILE_NOT_FOUND:
 104         return "File not found";
 105     case EREAD_CHKSUM_FAILED:
 106         return "Read failed (chksum)";
 107     case EREAD_MODEL_FAILED:
 108         return "Read failed (model)";
 109     case EREAD_IMAGE_FAILED:
 110         return "Read failed (image)";
 111     case EBAD_CHKSUM:
 112         return "Bad checksum";
 113     case EFILE_TOO_BIG:
 114         return "File too big";
 115     case EINVALID_FORMAT:
 116         return "Invalid file format";
 117     default:
 118         return "Unknown";
 119     }
 120 }
 121
 122 void error(int errortype, int error, bool shutdown)
 123 {
 124     switch(errortype)
 125     {
 126     case EATA:
 127         printf("ATA error: %d", error);
 128         break;
 129
 130     case EDISK:
 131         printf("No partition found");
 132         break;
 133
 134     case EBOOTFILE:
 135         printf(strerror(error));
 136         break;
 137     }
 138
 139     lcd_update();
 140     sleep(5*HZ);
 141     if(shutdown)
 142         power_off();
 143 }
 144
 145 /* Load firmware image in a format created by tools/scramble */
 146 int load_firmware(unsigned char* buf, char* firmware, int buffer_size)
 147 {
 148     int fd;
 149     int rc;
 150     int len;
 151     unsigned long chksum;
 152     char model[5];
 153     unsigned long sum;
 154     int i;
 155     char filename[MAX_PATH];
 156
 157     snprintf(filename,sizeof(filename), BOOTDIR "/%s",firmware);
 158     fd = open(filename, O_RDONLY);
 159     if(fd < 0)
 160     {
 161         snprintf(filename,sizeof(filename),"/%s",firmware);
 162         fd = open(filename, O_RDONLY);
 163         if(fd < 0)
 164             return EFILE_NOT_FOUND;
 165     }
 166
 167     len = filesize(fd) - 8;
 168
 169     printf("Length: %x", len);
 170
 171     if (len > buffer_size)
 172         return EFILE_TOO_BIG;
 173
 174     lseek(fd, FIRMWARE_OFFSET_FILE_CRC, SEEK_SET);
 175
 176     rc = read(fd, &chksum, 4);
 177     chksum=betoh32(chksum); /* Rockbox checksums are big-endian */
 178     if(rc < 4)
 179         return EREAD_CHKSUM_FAILED;
 180
 181     printf("Checksum: %x", chksum);
 182
 183     rc = read(fd, model, 4);
 184     if(rc < 4)
 185         return EREAD_MODEL_FAILED;
 186
 187     model[4] = 0;
 188
 189     printf("Model name: %s", model);
 190     printf("Loading %s", firmware);
 191
 192     lseek(fd, FIRMWARE_OFFSET_FILE_DATA, SEEK_SET);
 193
 194     rc = read(fd, buf, len);
 195     if(rc < len)
 196         return EREAD_IMAGE_FAILED;
 197
 198     close(fd);
 199
 200     sum = MODEL_NUMBER;
 201
 202     for(i = 0;i < len;i++) {
 203         sum += buf[i];
 204     }
 205
 206     printf("Sum: %x", sum);
 207
 208     if(sum != chksum)
 209         return EBAD_CHKSUM;
 210
 211     return EOK;
 212 }
 213
 214 /* Load raw binary image. */
 215 int load_raw_firmware(unsigned char* buf, char* firmware, int buffer_size)
 216 {
 217     int fd;
 218     int rc;
 219     int len;
 220     char filename[MAX_PATH];
 221
 222     snprintf(filename,sizeof(filename),"%s",firmware);
 223     fd = open(filename, O_RDONLY);
 224     if(fd < 0)
 225     {
 226         return EFILE_NOT_FOUND;
 227     }
 228
 229     len = filesize(fd);
 230
 231     if (len > buffer_size)
 232         return EFILE_TOO_BIG;
 233
 234     rc = read(fd, buf, len);
 235     if(rc < len)
 236         return EREAD_IMAGE_FAILED;
 237
 238     close(fd);
 239     return len;
 240 }
 241
 242 /* These functions are present in the firmware library, but we reimplement
 243    them here because the originals do a lot more than we want */
 244 int dbg_ports(void)
 245 {
 246    return 0;
 247 }
 248
 249 void mpeg_stop(void)
 250 {
 251 }
 252
 253 #ifdef ROCKBOX_HAS_LOGF /* Logf display helper for the bootloader */
 254
 255 #define LINES   (LCD_HEIGHT/SYSFONT_HEIGHT)
 256 #define COLUMNS ((LCD_WIDTH/SYSFONT_WIDTH) > MAX_LOGF_ENTRY ? \
 257                             MAX_LOGF_ENTRY : (LCD_WIDTH/SYSFONT_WIDTH))
 258
 259 #ifdef ONDA_VX747
 260 #define LOGF_UP     BUTTON_VOL_UP
 261 #define LOGF_DOWN   BUTTON_VOL_DOWN
 262 #define LOGF_CLEAR  BUTTON_MENU
 263 #else
 264 #warning No keymap defined for this target
 265 #endif
 266
 267 void display_logf(void) /* Doesn't return! */
 268 {
 269     int i, index, button, user_index=0;
 270 #ifdef HAVE_TOUCHSCREEN
 271     int touch, prev_y=0;
 272 #endif
 273     char buffer[COLUMNS+1];
 274
 275     while(1)
 276     {
 277         index = logfindex + user_index;
 278
 279         lcd_clear_display();
 280         for(i = LINES-1; i>=0; i--)
 281         {
 282             if(--index < 0)
 283             {
 284                 if(logfwrap)
 285                     index = MAX_LOGF_LINES-1;
 286                 else
 287                     break; /* done */
 288             }
 289
 290             memcpy(buffer, logfbuffer[index], COLUMNS);
 291
 292             if (logfbuffer[index][MAX_LOGF_ENTRY] == LOGF_TERMINATE_CONTINUE_LINE)
 293                 buffer[MAX_LOGF_ENTRY-1] = '>';
 294             else if (logfbuffer[index][MAX_LOGF_ENTRY] == LOGF_TERMINATE_MULTI_LINE)
 295                 buffer[MAX_LOGF_ENTRY-1] = '\0';
 296
 297             buffer[COLUMNS] = '\0';
 298
 299             lcd_puts(0, i, buffer);
 300         }
 301
 302         button = button_get(false);
 303         if(button == SYS_USB_CONNECTED)
 304             usb_acknowledge(SYS_USB_CONNECTED_ACK);
 305         else if(button == SYS_USB_DISCONNECTED)
 306             usb_acknowledge(SYS_USB_DISCONNECTED_ACK);
 307         else if(button & LOGF_UP)
 308             user_index++;
 309         else if(button & LOGF_DOWN)
 310             user_index--;
 311         else if(button & LOGF_CLEAR)
 312             user_index = 0;
 313 #ifdef HAVE_TOUCHSCREEN
 314         else if(button & BUTTON_TOUCHSCREEN)
 315         {
 316             touch = button_get_data();
 317
 318             if(button & BUTTON_REL)
 319                 prev_y = 0;
 320
 321             if(prev_y != 0)
 322                 user_index += (prev_y - (touch & 0xFFFF)) / SYSFONT_HEIGHT;
 323             prev_y = touch & 0xFFFF;
 324         }
 325 #endif
 326
 327         lcd_update();
 328         sleep(HZ/16);
 329     }
 330 }
 331 #endif