1 | /* set_vector |
---|
2 | * |
---|
3 | * This routine installs an interrupt vector on UNIX. |
---|
4 | * |
---|
5 | * INPUT: |
---|
6 | * handler - interrupt handler entry point |
---|
7 | * vector - vector number |
---|
8 | * type - 0 indicates raw hardware connect |
---|
9 | * 1 indicates RTEMS interrupt connect |
---|
10 | * |
---|
11 | * NOTE 'type' is ignored on hppa; all interrupts are owned by RTEMS |
---|
12 | * |
---|
13 | * RETURNS: |
---|
14 | * address of previous interrupt handler |
---|
15 | * |
---|
16 | * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. |
---|
17 | * On-Line Applications Research Corporation (OAR). |
---|
18 | * All rights assigned to U.S. Government, 1994. |
---|
19 | * |
---|
20 | * This material may be reproduced by or for the U.S. Government pursuant |
---|
21 | * to the copyright license under the clause at DFARS 252.227-7013. This |
---|
22 | * notice must appear in all copies of this file and its derivatives. |
---|
23 | * |
---|
24 | * $Id$ |
---|
25 | */ |
---|
26 | |
---|
27 | #include <bsp.h> |
---|
28 | |
---|
29 | /* |
---|
30 | * Install an interrupt handler in the right place |
---|
31 | * given its vector number from cpu/hppa.h |
---|
32 | * There are 2 places an interrupt can be installed |
---|
33 | * _ISR_Vector_table |
---|
34 | * bsp interrupt XXX: nyi |
---|
35 | * |
---|
36 | * We decide which based on the vector number |
---|
37 | */ |
---|
38 | |
---|
39 | rtems_isr_entry |
---|
40 | set_vector( /* returns old vector */ |
---|
41 | rtems_isr_entry handler, /* isr routine */ |
---|
42 | rtems_vector_number vector, /* vector number */ |
---|
43 | int type /* RTEMS or RAW intr */ |
---|
44 | ) |
---|
45 | { |
---|
46 | rtems_isr_entry rtems_isr_ptr; |
---|
47 | proc_ptr raw_isr_ptr; |
---|
48 | |
---|
49 | if ( type ) { |
---|
50 | rtems_interrupt_catch( handler, vector, &rtems_isr_ptr ); |
---|
51 | return rtems_isr_ptr; |
---|
52 | } else { |
---|
53 | _CPU_ISR_install_vector( vector, (proc_ptr) handler, &raw_isr_ptr ); |
---|
54 | return raw_isr_ptr; |
---|
55 | } |
---|
56 | |
---|
57 | } |
---|
58 | |
---|
59 | |
---|