|
Last change
on this file since 286 was
282,
checked in by bouyer, 12 years ago
|
|
Complete r281:
Keep BEV bit set in STATUS register, and add an exception handler at
0xbfc0380. This handler just prints STATUS, CAUSE and EPC register and
stalls (does an infinite loop).
|
|
File size:
634 bytes
|
| Line | |
|---|
| 1 | /** |
|---|
| 2 | * \file : exceptions.c |
|---|
| 3 | * \date : December 2012 |
|---|
| 4 | * \author : Manuel Bouyer |
|---|
| 5 | * |
|---|
| 6 | * This file defines a simple exeptions handler |
|---|
| 7 | */ |
|---|
| 8 | |
|---|
| 9 | #include <boot_tty.h> |
|---|
| 10 | |
|---|
| 11 | #define in_reset __attribute__((section (".reset"))) |
|---|
| 12 | #define in_reset_data __attribute__((section (".reset_data"))) |
|---|
| 13 | |
|---|
| 14 | in_reset void handle_exept(int status, int cause, int epc) |
|---|
| 15 | { |
|---|
| 16 | boot_puts("boot (default) exeption handler called: \r\n status "); |
|---|
| 17 | boot_putx(status); |
|---|
| 18 | boot_puts("\r\n cause "); |
|---|
| 19 | boot_putx(cause); |
|---|
| 20 | boot_puts(" (exeption "); |
|---|
| 21 | boot_putx((cause >> 2) & 0x1f); |
|---|
| 22 | boot_puts(")\r\n epc "); |
|---|
| 23 | boot_putx(epc); |
|---|
| 24 | boot_puts("\r\n"); |
|---|
| 25 | while (1); |
|---|
| 26 | } |
|---|
Note: See
TracBrowser
for help on using the repository browser.
