Last change
on this file since 282 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 | |
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1 | /** |
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2 | * \file : exceptions.c |
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3 | * \date : December 2012 |
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4 | * \author : Manuel Bouyer |
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5 | * |
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6 | * This file defines a simple exeptions handler |
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7 | */ |
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8 | |
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9 | #include <boot_tty.h> |
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10 | |
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11 | #define in_reset __attribute__((section (".reset"))) |
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12 | #define in_reset_data __attribute__((section (".reset_data"))) |
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13 | |
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14 | in_reset void handle_exept(int status, int cause, int epc) |
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15 | { |
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16 | boot_puts("boot (default) exeption handler called: \r\n status "); |
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17 | boot_putx(status); |
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18 | boot_puts("\r\n cause "); |
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19 | boot_putx(cause); |
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20 | boot_puts(" (exeption "); |
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21 | boot_putx((cause >> 2) & 0x1f); |
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22 | boot_puts(")\r\n epc "); |
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23 | boot_putx(epc); |
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24 | boot_puts("\r\n"); |
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25 | while (1); |
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26 | } |
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