diff options
Diffstat (limited to 'arch/m68k/platform/coldfire/vectors.c')
-rw-r--r-- | arch/m68k/platform/coldfire/vectors.c | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/arch/m68k/platform/coldfire/vectors.c b/arch/m68k/platform/coldfire/vectors.c new file mode 100644 index 00000000000..a21d3f870b7 --- /dev/null +++ b/arch/m68k/platform/coldfire/vectors.c | |||
@@ -0,0 +1,80 @@ | |||
1 | /***************************************************************************/ | ||
2 | |||
3 | /* | ||
4 | * linux/arch/m68knommu/platform/coldfire/vectors.c | ||
5 | * | ||
6 | * Copyright (C) 1999-2007, Greg Ungerer <gerg@snapgear.com> | ||
7 | */ | ||
8 | |||
9 | /***************************************************************************/ | ||
10 | |||
11 | #include <linux/kernel.h> | ||
12 | #include <linux/init.h> | ||
13 | #include <linux/irq.h> | ||
14 | #include <asm/traps.h> | ||
15 | #include <asm/machdep.h> | ||
16 | #include <asm/coldfire.h> | ||
17 | #include <asm/mcfsim.h> | ||
18 | #include <asm/mcfwdebug.h> | ||
19 | |||
20 | /***************************************************************************/ | ||
21 | |||
22 | #ifdef TRAP_DBG_INTERRUPT | ||
23 | |||
24 | asmlinkage void dbginterrupt_c(struct frame *fp) | ||
25 | { | ||
26 | extern void dump(struct pt_regs *fp); | ||
27 | printk(KERN_DEBUG "%s(%d): BUS ERROR TRAP\n", __FILE__, __LINE__); | ||
28 | dump((struct pt_regs *) fp); | ||
29 | asm("halt"); | ||
30 | } | ||
31 | |||
32 | #endif | ||
33 | |||
34 | /***************************************************************************/ | ||
35 | |||
36 | extern e_vector *_ramvec; | ||
37 | |||
38 | void set_evector(int vecnum, void (*handler)(void)) | ||
39 | { | ||
40 | if (vecnum >= 0 && vecnum <= 255) | ||
41 | _ramvec[vecnum] = handler; | ||
42 | } | ||
43 | |||
44 | /***************************************************************************/ | ||
45 | |||
46 | /* Assembler routines */ | ||
47 | asmlinkage void buserr(void); | ||
48 | asmlinkage void trap(void); | ||
49 | asmlinkage void system_call(void); | ||
50 | asmlinkage void inthandler(void); | ||
51 | |||
52 | void __init init_vectors(void) | ||
53 | { | ||
54 | int i; | ||
55 | |||
56 | /* | ||
57 | * There is a common trap handler and common interrupt | ||
58 | * handler that handle almost every vector. We treat | ||
59 | * the system call and bus error special, they get their | ||
60 | * own first level handlers. | ||
61 | */ | ||
62 | for (i = 3; (i <= 23); i++) | ||
63 | _ramvec[i] = trap; | ||
64 | for (i = 33; (i <= 63); i++) | ||
65 | _ramvec[i] = trap; | ||
66 | for (i = 24; (i <= 31); i++) | ||
67 | _ramvec[i] = inthandler; | ||
68 | for (i = 64; (i < 255); i++) | ||
69 | _ramvec[i] = inthandler; | ||
70 | _ramvec[255] = 0; | ||
71 | |||
72 | _ramvec[2] = buserr; | ||
73 | _ramvec[32] = system_call; | ||
74 | |||
75 | #ifdef TRAP_DBG_INTERRUPT | ||
76 | _ramvec[12] = dbginterrupt; | ||
77 | #endif | ||
78 | } | ||
79 | |||
80 | /***************************************************************************/ | ||