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1 | /* |
1 | /* |
2 | * Copyright (C) 2005 Jakub Jermar |
2 | * Copyright (C) 2005 Jakub Jermar |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
13 | * documentation and/or other materials provided with the distribution. |
14 | * - The name of the author may not be used to endorse or promote products |
14 | * - The name of the author may not be used to endorse or promote products |
15 | * derived from this software without specific prior written permission. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | * |
27 | * |
28 | */ |
28 | */ |
29 | 29 | ||
30 | #include <arch/interrupt.h> |
30 | #include <arch/interrupt.h> |
31 | #include <panic.h> |
31 | #include <panic.h> |
32 | #include <print.h> |
32 | #include <print.h> |
33 | #include <arch/types.h> |
33 | #include <arch/types.h> |
34 | #include <arch/asm.h> |
34 | #include <arch/asm.h> |
35 | #include <arch/barrier.h> |
35 | #include <arch/barrier.h> |
36 | #include <arch/register.h> |
36 | #include <arch/register.h> |
37 | #include <arch.h> |
37 | #include <arch.h> |
38 | 38 | ||
39 | void external_interrupt(void) |
39 | void external_interrupt(void) |
40 | { |
40 | { |
41 | cr_ivr_t ivr; |
41 | cr_ivr_t ivr; |
42 | 42 | ||
43 | ivr.value = ivr_read(); |
43 | ivr.value = ivr_read(); |
44 | srlz_d(); |
44 | srlz_d(); |
45 | 45 | ||
46 | switch(ivr.value) { |
46 | switch(ivr.vector) { |
47 | case INTERRUPT_TIMER: |
47 | case INTERRUPT_TIMER: |
48 | panic("cpu%d: timer interrupt\n", CPU->id); |
48 | panic("cpu%d: timer interrupt\n", CPU->id); |
49 | break; |
49 | break; |
50 | case INTERRUPT_SPURIOUS: |
50 | case INTERRUPT_SPURIOUS: |
51 | printf("cpu%d: spurious interrupt\n", CPU->id); |
51 | printf("cpu%d: spurious interrupt\n", CPU->id); |
52 | break; |
52 | break; |
53 | default: |
53 | default: |
54 | panic("\nUnhandled External Interrupt Vector %d\n", ivr.vector); |
54 | panic("\nUnhandled External Interrupt Vector %d\n", ivr.vector); |
55 | break; |
55 | break; |
56 | } |
56 | } |
57 | } |
57 | } |
58 | 58 |