4.104.114.84.95
Last change
on this file since acdb6558 was
acdb6558,
checked in by Joel Sherrill <joel.sherrill@…>, on 03/14/01 at 00:49:17
|
2001-03-13 Joel Sherrill <joel@…>
- Added mongoose-v, mongoose-v/include, and mongoose-v/vectorisrs
directories.
- mongoosev/.cvsignore, mongoosev/Makefile.am, mongoosev/README,
mongoosev/duart/.cvsignore, mongoosev/duart/Makefile.am,
mongoosev/duart/README.mguart, mongoosev/duart/mg5uart.c,
mongoosev/duart/mg5uart.h, mongoosev/duart/mg5uart_reg.c,
mongoosev/include/.cvsignore, mongoosev/include/Makefile.am,
mongoosev/include/mongoose-v.h, mongoosev/vectorisrs/.cvsignore,
mongoosev/vectorisrs/Makefile.am, mongoosev/vectorisrs/vectorisrs.c:
New files.
- Makefile.am, configure.in, shared/interrupts/Makefile.am,
shared/interrupts/maxvectors.c: Added support for mongoosev.
- tx39/vectorisrs/vectorisrs.c: Corrected warning.
|
-
Property mode set to
100644
|
File size:
1.1 KB
|
Line | |
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1 | /* |
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2 | * $Id$ |
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3 | */ |
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4 | |
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5 | #include <rtems.h> |
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6 | #include <stdlib.h> |
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7 | #include <libcpu/tx3904.h> |
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8 | |
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9 | #define mips_get_cause( _cause ) \ |
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10 | do { \ |
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11 | asm volatile( "mfc0 %0, $13; nop" : "=r" (_cause) : ); \ |
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12 | } while (0) |
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13 | |
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14 | #define CALL_ISR(_vector) \ |
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15 | do { \ |
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16 | if ( _ISR_Vector_table[_vector] ) \ |
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17 | (_ISR_Vector_table[_vector])(_vector); \ |
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18 | else \ |
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19 | mips_default_exception(_vector); \ |
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20 | } while (0) |
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21 | |
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22 | #include <bspIo.h> /* for printk */ |
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23 | |
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24 | void mips_default_exception( int vector ) |
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25 | { |
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26 | printk( "Unhandled exception %d\n", vector ); |
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27 | rtems_fatal_error_occurred(1); |
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28 | } |
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29 | |
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30 | void mips_vector_isr_handlers( void ) |
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31 | { |
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32 | unsigned int sr; |
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33 | unsigned int cause; |
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34 | |
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35 | mips_get_sr( sr ); |
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36 | mips_get_cause( cause ); |
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37 | |
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38 | cause &= (sr & SR_IMASK); |
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39 | cause >>= CAUSE_IPSHIFT; |
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40 | |
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41 | if ( cause & 0x80 ) /* IP[5] ==> INT0 */ |
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42 | CALL_ISR( TX3904_IRQ_INT0 ); |
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43 | |
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44 | if ( cause & 0x40 ) { /* (IP[4] == 1) ==> IP[0-3] are valid */ |
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45 | unsigned int v = (cause >> 2) & 0x0f; |
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46 | CALL_ISR( v ); |
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47 | } |
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48 | |
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49 | if ( cause & 0x02 ) /* SW[0] */ |
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50 | CALL_ISR( TX3904_IRQ_SOFTWARE_1 ); |
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51 | |
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52 | if ( cause & 0x01 ) /* IP[1] */ |
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53 | CALL_ISR( TX3904_IRQ_SOFTWARE_2 ); |
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54 | } |
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