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 void 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 }
  95
  96 char *strerror(int error)
  97 {
  98     switch(error)
  99     {
 100     case EOK:
 101         return "OK";
 102     case EFILE_NOT_FOUND:
 103         return "File not found";
 104     case EREAD_CHKSUM_FAILED:
 105         return "Read failed (chksum)";
 106     case EREAD_MODEL_FAILED:
 107         return "Read failed (model)";
 108     case EREAD_IMAGE_FAILED:
 109         return "Read failed (image)";
 110     case EBAD_CHKSUM:
 111         return "Bad checksum";
 112     case EFILE_TOO_BIG:
 113         return "File too big";
 114     case EINVALID_FORMAT:
 115         return "Invalid file format";
 116     default:
 117         return "Unknown";
 118     }
 119 }
 120
 121 void error(int errortype, int error, bool shutdown)
 122 {
 123     switch(errortype)
 124     {
 125     case EATA:
 126         printf("ATA error: %d", error);
 127         break;
 128
 129     case EDISK:
 130         printf("No partition found");
 131         break;
 132
 133     case EBOOTFILE:
 134         printf(strerror(error));
 135         break;
 136     }
 137
 138     lcd_update();
 139     sleep(5*HZ);
 140     if(shutdown)
 141         power_off();
 142 }
 143
 144 /* Load firmware image in a format created by tools/scramble */
 145 int load_firmware(unsigned char* buf, char* firmware, int buffer_size)
 146 {
 147     int fd;
 148     int rc;
 149     int len;
 150     unsigned long chksum;
 151     char model[5];
 152     unsigned long sum;
 153     int i;
 154     char filename[MAX_PATH];
 155
 156     snprintf(filename,sizeof(filename), BOOTDIR "/%s",firmware);
 157     fd = open(filename, O_RDONLY);
 158     if(fd < 0)
 159     {
 160         snprintf(filename,sizeof(filename),"/%s",firmware);
 161         fd = open(filename, O_RDONLY);
 162         if(fd < 0)
 163             return EFILE_NOT_FOUND;
 164     }
 165
 166     len = filesize(fd) - 8;
 167
 168     printf("Length: %x", len);
 169
 170     if (len > buffer_size)
 171         return EFILE_TOO_BIG;
 172
 173     lseek(fd, FIRMWARE_OFFSET_FILE_CRC, SEEK_SET);
 174
 175     rc = read(fd, &chksum, 4);
 176     chksum=betoh32(chksum); /* Rockbox checksums are big-endian */
 177     if(rc < 4)
 178         return EREAD_CHKSUM_FAILED;
 179
 180     printf("Checksum: %x", chksum);
 181
 182     rc = read(fd, model, 4);
 183     if(rc < 4)
 184         return EREAD_MODEL_FAILED;
 185
 186     model[4] = 0;
 187
 188     printf("Model name: %s", model);
 189     printf("Loading %s", firmware);
 190
 191     lseek(fd, FIRMWARE_OFFSET_FILE_DATA, SEEK_SET);
 192
 193     rc = read(fd, buf, len);
 194     if(rc < len)
 195         return EREAD_IMAGE_FAILED;
 196
 197     close(fd);
 198
 199     sum = MODEL_NUMBER;
 200
 201     for(i = 0;i < len;i++) {
 202         sum += buf[i];
 203     }
 204
 205     printf("Sum: %x", sum);
 206
 207     if(sum != chksum)
 208         return EBAD_CHKSUM;
 209
 210     return EOK;
 211 }
 212
 213 /* Load raw binary image. */
 214 int load_raw_firmware(unsigned char* buf, char* firmware, int buffer_size)
 215 {
 216     int fd;
 217     int rc;
 218     int len;
 219     char filename[MAX_PATH];
 220
 221     snprintf(filename,sizeof(filename),"%s",firmware);
 222     fd = open(filename, O_RDONLY);
 223     if(fd < 0)
 224     {
 225         return EFILE_NOT_FOUND;
 226     }
 227
 228     len = filesize(fd);
 229
 230     if (len > buffer_size)
 231         return EFILE_TOO_BIG;
 232
 233     rc = read(fd, buf, len);
 234     if(rc < len)
 235         return EREAD_IMAGE_FAILED;
 236
 237     close(fd);
 238     return len;
 239 }
 240
 241 /* These functions are present in the firmware library, but we reimplement
 242    them here because the originals do a lot more than we want */
 243 int dbg_ports(void)
 244 {
 245    return 0;
 246 }
 247
 248 void mpeg_stop(void)
 249 {
 250 }
 251
 252 #ifdef ROCKBOX_HAS_LOGF /* Logf display helper for the bootloader */
 253
 254 #define LINES   (LCD_HEIGHT/SYSFONT_HEIGHT)
 255 #define COLUMNS ((LCD_WIDTH/SYSFONT_WIDTH) > MAX_LOGF_ENTRY ? \
 256                             MAX_LOGF_ENTRY : (LCD_WIDTH/SYSFONT_WIDTH))
 257
 258 #ifdef ONDA_VX747
 259 #define LOGF_UP     BUTTON_VOL_UP
 260 #define LOGF_DOWN   BUTTON_VOL_DOWN
 261 #define LOGF_CLEAR  BUTTON_MENU
 262 #else
 263 #warning No keymap defined for this target
 264 #endif
 265
 266 void display_logf(void) /* Doesn't return! */
 267 {
 268     int i, index, button, user_index=0;
 269 #ifdef HAVE_TOUCHSCREEN
 270     int touch, prev_y=0;
 271 #endif
 272     char buffer[COLUMNS+1];
 273
 274     while(1)
 275     {
 276         index = logfindex + user_index;
 277
 278         lcd_clear_display();
 279         for(i = LINES-1; i>=0; i--)
 280         {
 281             if(--index < 0)
 282             {
 283                 if(logfwrap)
 284                     index = MAX_LOGF_LINES-1;
 285                 else
 286                     break; /* done */
 287             }
 288
 289             memcpy(buffer, logfbuffer[index], COLUMNS);
 290
 291             if (logfbuffer[index][MAX_LOGF_ENTRY] == LOGF_TERMINATE_CONTINUE_LINE)
 292                 buffer[MAX_LOGF_ENTRY-1] = '>';
 293             else if (logfbuffer[index][MAX_LOGF_ENTRY] == LOGF_TERMINATE_MULTI_LINE)
 294                 buffer[MAX_LOGF_ENTRY-1] = '\0';
 295
 296             buffer[COLUMNS] = '\0';
 297
 298             lcd_puts(0, i, buffer);
 299         }
 300
 301         button = button_get(false);
 302         if(button == SYS_USB_CONNECTED)
 303             usb_acknowledge(SYS_USB_CONNECTED_ACK);
 304         else if(button == SYS_USB_DISCONNECTED)
 305             usb_acknowledge(SYS_USB_DISCONNECTED_ACK);
 306         else if(button & LOGF_UP)
 307             user_index++;
 308         else if(button & LOGF_DOWN)
 309             user_index--;
 310         else if(button & LOGF_CLEAR)
 311             user_index = 0;
 312 #ifdef HAVE_TOUCHSCREEN
 313         else if(button & BUTTON_TOUCHSCREEN)
 314         {
 315             touch = button_get_data();
 316
 317             if(button & BUTTON_REL)
 318                 prev_y = 0;
 319
 320             if(prev_y != 0)
 321                 user_index += (prev_y - (touch & 0xFFFF)) / SYSFONT_HEIGHT;
 322             prev_y = touch & 0xFFFF;
 323         }
 324 #endif
 325
 326         lcd_update();
 327         sleep(HZ/16);
 328     }
 329 }
 330 #endif