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UIE handler for ARM/iPod. Currently does not support interrupts. Will

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probably also work for other ARM based targets, like iFP.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@8388 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Thom Johansen 2006-01-19 15:03:34 +00:00
parent 4926682378
commit 127c3febc1
2 changed files with 51 additions and 1 deletions
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28
firmware/system.c
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@ -1119,6 +1119,34 @@ void irq(void)
}
#endif
static const char* const uiename[] = {
"Undefined instruction", "Prefetch abort", "Data abort"
};
/* Unexpected Interrupt or Exception handler. Currently only deals with
exceptions, but will deal with interrupts later.
*/
void UIE(unsigned int pc, unsigned int num)
{
char str[32];
lcd_clear_display();
#ifdef HAVE_LCD_BITMAP
lcd_setfont(FONT_SYSFIXED);
#endif
lcd_puts(0, 0, uiename[num]);
snprintf(str, sizeof(str), "at %08x", pc);
lcd_puts(0, 1, str);
lcd_update();
while (1)
{
/* TODO: perhaps add button handling in here when we get a polling
driver some day.
*/
}
}
/* TODO: The following two function have been lifted straight from IPL, and
hence have a lot of numeric addresses used straight. I'd like to use
#defines for these, but don't know what most of them are for or even what