a07c034de7
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@16243 a1c6a512-1295-4272-9138-f99709370657
140 lines
3.4 KiB
C
140 lines
3.4 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2006 by Greg White
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "config.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include "inttypes.h"
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#include "string.h"
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#include "cpu.h"
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#include "system.h"
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#include "lcd.h"
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#include "kernel.h"
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#include "thread.h"
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#include "ata.h"
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#include "dir.h"
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#include "fat.h"
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#include "disk.h"
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#include "font.h"
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#include "adc.h"
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#include "backlight.h"
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#include "backlight-target.h"
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#include "button.h"
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#include "panic.h"
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#include "power.h"
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#include "file.h"
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#include "common.h"
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#include "rbunicode.h"
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#include "usb.h"
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#include "mmu-imx31.h"
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#include "lcd-target.h"
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#include "avic-imx31.h"
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#include <stdarg.h>
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char version[] = APPSVERSION;
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char buf[MAX_PATH];
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char basedir[] = "/Content/0b00/00/"; /* Where files sent via MTP are stored */
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char model[5];
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int (*kernel_entry)(void);
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extern void reference_system_c(void);
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/* Dummy stub that creates C references for C functions only used by
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assembly - never called */
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void reference_files(void)
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{
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reference_system_c();
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}
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void main(void)
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{
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lcd_clear_display();
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printf("Hello world!");
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printf("Gigabeat S Rockbox Bootloader v.00000003");
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system_init();
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kernel_init();
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printf("kernel init done");
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int rc;
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set_interrupt_status(IRQ_FIQ_ENABLED, IRQ_FIQ_STATUS);
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rc = ata_init();
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if(rc)
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{
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reset_screen();
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error(EATA, rc);
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}
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printf("ata init done");
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disk_init();
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printf("disk init done");
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rc = disk_mount_all();
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if (rc<=0)
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{
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error(EDISK,rc);
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}
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/* Look for the first valid firmware file */
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struct dirent_uncached* entry;
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DIR_UNCACHED* dir;
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int fd;
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dir = opendir_uncached(basedir);
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while ((entry = readdir_uncached(dir)))
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{
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if (*entry->d_name != '.')
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{
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snprintf(buf, sizeof(buf), "%s%s", basedir, entry->d_name);
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fd = open(buf, O_RDONLY);
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if (fd >= 0)
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{
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lseek(fd, 4, SEEK_SET);
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rc = read(fd, model, 4);
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close(fd);
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if (rc == 4)
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{
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model[4] = 0;
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if (strcmp(model, "gigs") == 0)
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break;
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}
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}
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}
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}
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printf("Firmware file: %s", buf);
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printf("Loading firmware");
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unsigned char *loadbuffer = (unsigned char *)0x0;
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int buffer_size = 31*1024*1024;
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rc = load_firmware(loadbuffer, buf, buffer_size);
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if(rc < 0)
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error((int)buf, rc);
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system_prepare_fw_start();
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if (rc == EOK)
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{
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kernel_entry = (void*) loadbuffer;
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invalidate_icache();
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rc = kernel_entry();
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}
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while (1);
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}
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