blob: e55566697d605322f21aa6ca0a85cfa8e047e245 (
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
55
56
57
58
|
/**
* @file
*
* RM5231 Interrupt Vectoring
*/
/*
* COPYRIGHT (c) 1989-2012.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#include <rtems.h>
#include <stdlib.h>
#include <libcpu/isr_entries.h>
#include <libcpu/rm5231.h>
#include <bsp/irq.h>
#include <bsp/irq-generic.h>
#include <rtems/bspIo.h> /* for printk */
void mips_default_isr( int vector );
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 )
bsp_interrupt_handler_dispatch( MIPS_INTERRUPT_BASE + 8 - i );
}
}
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);
}
|