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Exception handler clears and updates the screen now (so one can read the error message)

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@1146 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Felix Arends 2002-06-24 11:35:13 +00:00
parent c40ac3249a
commit b38c2d996d
1 changed files with 7 additions and 0 deletions
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7
firmware/system.c
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@ -323,12 +323,19 @@ void UIE (unsigned int pc) /* Unexpected Interrupt or Exception */
asm volatile ("sts\tpr,%0" : "=r"(n)); asm volatile ("sts\tpr,%0" : "=r"(n));
/* clear screen */
lcd_clear_display ();
/* output exception */
n = (n - (unsigned)UIE0 - 4)>>2; // get exception or interrupt number n = (n - (unsigned)UIE0 - 4)>>2; // get exception or interrupt number
snprintf(str,sizeof(str),"I%02x:%s",n,irqname[n]); snprintf(str,sizeof(str),"I%02x:%s",n,irqname[n]);
lcd_puts(0,0,str); lcd_puts(0,0,str);
snprintf(str,sizeof(str),"at %08x",pc); snprintf(str,sizeof(str),"at %08x",pc);
lcd_puts(0,1,str); lcd_puts(0,1,str);
#ifdef HAVE_LCD_BITMAP
lcd_update ();
#endif
while (1) while (1)
{ {
volatile int i; volatile int i;