Prepare new maemo release
[maemo-rb.git] / bootloader / common.c
blob207d74ae9cf41eee86c810cffc7297134eff24f2
1 /***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id: main.c 11997 2007-01-13 09:08:18Z miipekk $
10 * Copyright (C) 2005 by Linus Nielsen Feltzing
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.
17 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
18 * KIND, either express or implied.
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"
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 || defined(TOSHIBA_GIGABEAT_S)
50 bool verbose = false;
51 #else
52 bool verbose = true;
53 #endif
55 int line = 0;
56 #ifdef HAVE_REMOTE_LCD
57 int remote_line = 0;
58 #endif
60 void reset_screen(void)
62 lcd_clear_display();
63 line = 0;
64 #ifdef HAVE_REMOTE_LCD
65 lcd_remote_clear_display();
66 remote_line = 0;
67 #endif
70 int printf(const char *format, ...)
72 static char printfbuf[256];
73 int len;
74 unsigned char *ptr;
75 va_list ap;
76 va_start(ap, format);
78 ptr = printfbuf;
79 len = vsnprintf(ptr, sizeof(printfbuf), format, ap);
80 va_end(ap);
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;
97 char *strerror(int error)
99 switch(error)
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";
122 void error(int errortype, int error, bool shutdown)
124 switch(errortype)
126 case EATA:
127 printf("ATA error: %d", error);
128 break;
130 case EDISK:
131 printf("No partition found");
132 break;
134 case EBOOTFILE:
135 printf(strerror(error));
136 break;
139 lcd_update();
140 sleep(5*HZ);
141 if(shutdown)
142 power_off();
145 /* Load firmware image in a format created by tools/scramble */
146 int load_firmware(unsigned char* buf, char* firmware, int buffer_size)
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];
157 snprintf(filename,sizeof(filename), BOOTDIR "/%s",firmware);
158 fd = open(filename, O_RDONLY);
159 if(fd < 0)
161 snprintf(filename,sizeof(filename),"/%s",firmware);
162 fd = open(filename, O_RDONLY);
163 if(fd < 0)
164 return EFILE_NOT_FOUND;
167 len = filesize(fd) - 8;
169 printf("Length: %x", len);
171 if (len > buffer_size)
172 return EFILE_TOO_BIG;
174 lseek(fd, FIRMWARE_OFFSET_FILE_CRC, SEEK_SET);
176 rc = read(fd, &chksum, 4);
177 chksum=betoh32(chksum); /* Rockbox checksums are big-endian */
178 if(rc < 4)
179 return EREAD_CHKSUM_FAILED;
181 printf("Checksum: %x", chksum);
183 rc = read(fd, model, 4);
184 if(rc < 4)
185 return EREAD_MODEL_FAILED;
187 model[4] = '\0';
189 printf("Model name: %s", model);
190 printf("Loading %s", firmware);
192 lseek(fd, FIRMWARE_OFFSET_FILE_DATA, SEEK_SET);
194 rc = read(fd, buf, len);
195 if(rc < len)
196 return EREAD_IMAGE_FAILED;
198 close(fd);
200 sum = MODEL_NUMBER;
202 for(i = 0;i < len;i++) {
203 sum += buf[i];
206 printf("Sum: %x", sum);
208 if(sum != chksum)
209 return EBAD_CHKSUM;
211 return EOK;
214 /* Load raw binary image. */
215 int load_raw_firmware(unsigned char* buf, char* firmware, int buffer_size)
217 int fd;
218 int rc;
219 int len;
220 char filename[MAX_PATH];
222 snprintf(filename,sizeof(filename),"%s",firmware);
223 fd = open(filename, O_RDONLY);
224 if(fd < 0)
226 return EFILE_NOT_FOUND;
229 len = filesize(fd);
231 if (len > buffer_size)
232 return EFILE_TOO_BIG;
234 rc = read(fd, buf, len);
235 if(rc < len)
236 return EREAD_IMAGE_FAILED;
238 close(fd);
239 return len;
242 #ifdef ROCKBOX_HAS_LOGF /* Logf display helper for the bootloader */
244 #define LINES (LCD_HEIGHT/SYSFONT_HEIGHT)
245 #define COLUMNS ((LCD_WIDTH/SYSFONT_WIDTH) > MAX_LOGF_ENTRY ? \
246 MAX_LOGF_ENTRY : (LCD_WIDTH/SYSFONT_WIDTH))
248 #ifdef ONDA_VX747
249 #define LOGF_UP BUTTON_VOL_UP
250 #define LOGF_DOWN BUTTON_VOL_DOWN
251 #define LOGF_CLEAR BUTTON_MENU
252 #else
253 #warning No keymap defined for this target
254 #endif
256 void display_logf(void) /* Doesn't return! */
258 int i, index, button, user_index=0;
259 #ifdef HAVE_TOUCHSCREEN
260 int touch, prev_y=0;
261 #endif
262 char buffer[COLUMNS+1];
264 while(1)
266 index = logfindex + user_index;
268 lcd_clear_display();
269 for(i = LINES-1; i>=0; i--)
271 if(--index < 0)
273 if(logfwrap)
274 index = MAX_LOGF_LINES-1;
275 else
276 break; /* done */
279 memcpy(buffer, logfbuffer[index], COLUMNS);
281 if (logfbuffer[index][MAX_LOGF_ENTRY] == LOGF_TERMINATE_CONTINUE_LINE)
282 buffer[MAX_LOGF_ENTRY-1] = '>';
283 else if (logfbuffer[index][MAX_LOGF_ENTRY] == LOGF_TERMINATE_MULTI_LINE)
284 buffer[MAX_LOGF_ENTRY-1] = '\0';
286 buffer[COLUMNS] = '\0';
288 lcd_puts(0, i, buffer);
291 button = button_get(false);
292 if(button == SYS_USB_CONNECTED)
293 usb_acknowledge(SYS_USB_CONNECTED_ACK);
294 else if(button == SYS_USB_DISCONNECTED)
296 else if(button & LOGF_UP)
297 user_index++;
298 else if(button & LOGF_DOWN)
299 user_index--;
300 else if(button & LOGF_CLEAR)
301 user_index = 0;
302 #ifdef HAVE_TOUCHSCREEN
303 else if(button & BUTTON_TOUCHSCREEN)
305 touch = button_get_data();
307 if(button & BUTTON_REL)
308 prev_y = 0;
310 if(prev_y != 0)
311 user_index += (prev_y - (touch & 0xFFFF)) / SYSFONT_HEIGHT;
312 prev_y = touch & 0xFFFF;
314 #endif
316 lcd_update();
317 sleep(HZ/16);
320 #endif