blob: 511b8fe4c453632f50c0d0472e2be2eff4d224d9 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
/*
* RM5231 Interrupt Vectoring
*
* vectorisrs.c,v 1.6 2004/06/23 18:16:36
*/
#include <rtems.h>
#include <stdlib.h>
#include <libcpu/rm5231.h>
void mips_default_isr( int vector );
#define CALL_ISR(_vector,_frame) \
do { \
if ( _ISR_Vector_table[_vector] ) \
(_ISR_Vector_table[_vector])(_vector,_frame); \
else \
mips_default_isr(_vector); \
} while (0)
#include <rtems/bspIo.h> /* for printk */
void mips_vector_isr_handlers( CPU_Interrupt_frame *frame )
{
unsigned int sr;
unsigned int cause;
unsigned int i;
unsigned int mask;
mips_get_sr( sr );
mips_get_cause( cause );
cause &= (sr & SR_IMASK);
cause >>= CAUSE_IPSHIFT;
for ( i=1, mask=0x80 ; i<=8 ; i++, mask >>= 1 ) {
if ( cause & mask )
CALL_ISR( MIPS_INTERRUPT_BASE + 8 - i, frame );
}
}
void mips_default_isr( int vector )
{
unsigned int sr;
unsigned int cause;
mips_get_sr( sr );
mips_get_cause( cause );
printk( "Unhandled isr exception: vector 0x%02x, cause 0x%08X, sr 0x%08X\n",
vector, cause, sr );
rtems_fatal_error_occurred(1);
}
|