xref: /netbsd-src/sys/arch/arm/arm32/db_machdep.c (revision 8a8f936f250a330d54f8a24ed0e92aadf9743a7b)
1 /*	$NetBSD: db_machdep.c,v 1.5 2001/09/05 17:08:41 matt Exp $	*/
2 
3 /*
4  * Copyright (c) 1996 Mark Brinicombe
5  *
6  * Mach Operating System
7  * Copyright (c) 1991,1990 Carnegie Mellon University
8  * All Rights Reserved.
9  *
10  * Permission to use, copy, modify and distribute this software and its
11  * documentation is hereby granted, provided that both the copyright
12  * notice and this permission notice appear in all copies of the
13  * software, derivative works or modified versions, and any portions
14  * thereof, and that both notices appear in supporting documentation.
15  *
16  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
17  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
18  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
19  *
20  * Carnegie Mellon requests users of this software to return to
21  *
22  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
23  *  School of Computer Science
24  *  Carnegie Mellon University
25  *  Pittsburgh PA 15213-3890
26  *
27  * any improvements or extensions that they make and grant Carnegie the
28  * rights to redistribute these changes.
29  */
30 
31 #include <sys/param.h>
32 #include <sys/proc.h>
33 #include <sys/vnode.h>
34 #include <sys/systm.h>
35 
36 #include <machine/db_machdep.h>
37 
38 #include <ddb/db_access.h>
39 #include <ddb/db_sym.h>
40 #include <ddb/db_output.h>
41 
42 #include <machine/intr.h>
43 
44 void
45 db_show_intrchain_cmd(addr, have_addr, count, modif)
46 	db_expr_t       addr;
47 	int             have_addr;
48 	db_expr_t       count;
49 	char            *modif;
50 {
51 #ifndef NEWINTR
52 	int loop;
53 	struct irqhandler *ptr;
54 	char *name;
55 	db_expr_t offset;
56 
57 	for (loop = 0; loop < NIRQS; ++loop) {
58 		ptr = irqhandlers[loop];
59 		if (ptr) {
60 			db_printf("IRQ %d\n", loop);
61 
62 			while (ptr) {
63 				db_printf("  %-13s %d ", ptr->ih_name, ptr->ih_level);
64 				db_find_sym_and_offset((u_int)ptr->ih_func, &name, &offset);
65 				if (name == NULL)
66 					name = "?";
67 
68 				db_printf("%s(", name);
69 				db_printsym((u_int)ptr->ih_func, DB_STGY_PROC,
70 				    db_printf);
71 				db_printf(") %08x\n", (u_int)ptr->ih_arg);
72 				ptr = ptr->ih_next;
73 			}
74 		}
75 	}
76 #endif	/* NEWINTR */
77 }
78 
79 
80 void
81 db_show_panic_cmd(addr, have_addr, count, modif)
82 	db_expr_t       addr;
83 	int             have_addr;
84 	db_expr_t       count;
85 	char            *modif;
86 {
87 	int s;
88 
89 	s = splhigh();
90 
91 	db_printf("Panic string: %s\n", panicstr);
92 
93 	(void)splx(s);
94 }
95 
96 
97 void
98 db_show_frame_cmd(addr, have_addr, count, modif)
99 	db_expr_t       addr;
100 	int             have_addr;
101 	db_expr_t       count;
102 	char            *modif;
103 {
104 	struct trapframe *frame;
105 
106 	if (!have_addr) {
107 		db_printf("frame address must be specified\n");
108 		return;
109 	}
110 
111 	frame = (struct trapframe *)addr;
112 
113 	db_printf("frame address = %08x  ", (u_int)frame);
114 	db_printf("spsr=%08x\n", frame->tf_spsr);
115 	db_printf("r0 =%08x r1 =%08x r2 =%08x r3 =%08x\n",
116 	    frame->tf_r0, frame->tf_r1, frame->tf_r2, frame->tf_r3);
117 	db_printf("r4 =%08x r5 =%08x r6 =%08x r7 =%08x\n",
118 	    frame->tf_r4, frame->tf_r5, frame->tf_r6, frame->tf_r7);
119 	db_printf("r8 =%08x r9 =%08x r10=%08x r11=%08x\n",
120 	    frame->tf_r8, frame->tf_r9, frame->tf_r10, frame->tf_r11);
121 	db_printf("r12=%08x r13=%08x r14=%08x r15=%08x\n",
122 	    frame->tf_r12, frame->tf_usr_sp, frame->tf_usr_lr, frame->tf_pc);
123 	db_printf("slr=%08x\n", frame->tf_svc_lr);
124 }
125