firmware/panic.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2002 by wavey@wavey.org
  11  *nn
  12  * All files in this archive are subject to the GNU General Public License.
  13  * See the file COPYING in the source tree root for full license agreement.
  14  *
  15  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  16  * KIND, either express or implied.
  17  *
  18  ****************************************************************************/
  19
  20 #include "config.h"
  21 #include <stdio.h>
  22 #include <stdarg.h>
  23 #include <string.h>
  24 #include "panic.h"
  25 #include "lcd.h"
  26 #include "font.h"
  27 #include "debug.h"
  28 #include "led.h"
  29 #include "power.h"
  30 #include "system.h"
  31
  32 static char panic_buf[128];
  33
  34 /*
  35  * "Dude. This is pretty fucked-up, right here."
  36  */
  37 void panicf( const char *fmt, ...)
  38 {
  39     va_list ap;
  40
  41 #ifndef SIMULATOR
  42 #if CONFIG_LED == LED_REAL
  43     bool state = true;
  44 #endif
  45
  46     /* Disable interrupts */
  47 #if CONFIG_CPU == SH7034
  48     asm volatile ("ldc\t%0,sr" : : "r"(15<<4));
  49 #elif defined(CPU_COLDFIRE)
  50     asm volatile ("move.w #0x2700,%sr");
  51 #endif
  52 #endif
  53
  54     va_start( ap, fmt );
  55     vsnprintf( panic_buf, sizeof(panic_buf), fmt, ap );
  56     va_end( ap );
  57
  58 #ifdef HAVE_LCD_CHARCELLS
  59     lcd_double_height(false);
  60     lcd_puts(0, 0, "*PANIC*");
  61     lcd_puts(0, 1, panic_buf);
  62 #elif defined(HAVE_LCD_BITMAP)
  63     lcd_clear_display();
  64     lcd_setfont(FONT_SYSFIXED);
  65     lcd_puts(0, 0, (unsigned char *)"*PANIC*");
  66     {
  67         /* wrap panic line */
  68         int i, y=1, len = strlen(panic_buf);
  69         for (i=0; i<len; i+=18) {
  70             unsigned char c = panic_buf[i+18];
  71             panic_buf[i+18] = 0;
  72             lcd_puts(0, y++, (unsigned char *)panic_buf+i);
  73             panic_buf[i+18] = c;
  74         }
  75     }
  76     lcd_update();
  77
  78 #else
  79     /* no LCD */
  80 #endif
  81     DEBUGF(panic_buf);
  82
  83     set_cpu_frequency(0);
  84
  85 #ifdef HAVE_ATA_POWER_OFF
  86     ide_power_enable(false);
  87 #endif
  88
  89     while (1)
  90     {
  91 #ifndef SIMULATOR
  92 #if CONFIG_LED == LED_REAL
  93         volatile long i;
  94         led (state);
  95         state = !state;
  96
  97         for (i = 0; i < 240000; ++i);
  98 #endif
  99
 100         /* try to restart firmware if ON is pressed */
 101 #ifdef IRIVER_H100_SERIES
 102         if ((GPIO1_READ & 0x22) == 0) /* check for ON button and !hold */
 103 #elif CONFIG_CPU == SH7034
 104 #if CONFIG_KEYPAD == PLAYER_PAD
 105         if (!(PADRL & 0x20))
 106 #elif CONFIG_KEYPAD == RECORDER_PAD
 107 #ifdef HAVE_FMADC
 108         if (!(PCDR & 0x0008))
 109 #else
 110         if (!(PBDRH & 0x01))
 111 #endif
 112 #elif CONFIG_KEYPAD == ONDIO_PAD
 113         if (!(PCDR & 0x0008))
 114 #endif /* CONFIG_KEYPAD */
 115 #endif /* CPU */
 116             system_reboot();
 117 #endif /* !SIMULATOR */
 118     }
 119 }