1 /***************************************************************************
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
10 * Copyright (C) 2006 by Thom Johansen
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 ****************************************************************************/
27 static const char* const uiename
[] = {
28 "Undefined instruction",
34 /* Unexpected Interrupt or Exception handler. Currently only deals with
35 exceptions, but will deal with interrupts later.
37 void __attribute__((noreturn
)) UIE(unsigned int pc
, unsigned int num
)
40 lcd_set_backdrop(NULL
);
41 lcd_set_drawmode(DRMODE_SOLID
);
42 lcd_set_foreground(LCD_BLACK
);
43 lcd_set_background(LCD_WHITE
);
45 lcd_setfont(FONT_SYSFIXED
);
46 lcd_set_viewport(NULL
);
48 lcd_puts(0, 0, uiename
[num
]);
49 lcd_putsf(0, 1, "at %08x" IF_COP(" (%d)"), pc
50 IF_COP(, CURRENT_CORE
));
53 disable_interrupt(IRQ_FIQ_STATUS
);
55 system_exception_wait(); /* If this returns, try to reboot */
60 /* Needs to be here or gcc won't find it */
61 void __attribute__((naked
)) __div0(void)