1 /* $NetBSD: frame.h,v 1.5 2002/10/19 00:10:54 bjh21 Exp $ */
2
3 /*-
4 * Copyright (c) 1994-1997 Mark Brinicombe.
5 * Copyright (c) 1994 Brini.
6 * All rights reserved.
7 *
8 * This code is derived from software written for Brini by Mark Brinicombe
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by Brini.
21 * 4. The name of the company nor the name of the author may be used to
22 * endorse or promote products derived from this software without specific
23 * prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED
26 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
27 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
28 * IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
29 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
30 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
31 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 *
37 * RiscBSD kernel project
38 *
39 * frame.h
40 *
41 * Stack frames structures
42 *
43 * Created : 30/09/94
44 *
45 * $FreeBSD: src/sys/arm/include/frame.h,v 1.4 2005/12/22 22:16:06 jhb Exp $
46 *
47 */
48
49 #ifndef _MACHINE_FRAME_H_
50 #define _MACHINE_FRAME_H_
51
52 #ifndef _LOCORE
53
54 #include <sys/signal.h>
55 #include <sys/ucontext.h>
56
57
58 /*
59 * Trap frame. Pushed onto the kernel stack on a trap (synchronous exception).
60 */
61
62 typedef struct trapframe {
63 register_t tf_spsr; /* Zero on arm26 */
64 register_t tf_r0;
65 register_t tf_r1;
66 register_t tf_r2;
67 register_t tf_r3;
68 register_t tf_r4;
69 register_t tf_r5;
70 register_t tf_r6;
71 register_t tf_r7;
72 register_t tf_r8;
73 register_t tf_r9;
74 register_t tf_r10;
75 register_t tf_r11;
76 register_t tf_r12;
77 register_t tf_usr_sp;
78 register_t tf_usr_lr;
79 register_t tf_svc_sp; /* Not used on arm26 */
80 register_t tf_svc_lr; /* Not used on arm26 */
81 register_t tf_pc;
82 } trapframe_t;
83
84 /* Register numbers */
85 #define tf_r13 tf_usr_sp
86 #define tf_r14 tf_usr_lr
87 #define tf_r15 tf_pc
88 /*
89 * * Scheduler activations upcall frame. Pushed onto user stack before
90 * * calling an SA upcall.
91 * */
92
93 struct saframe {
94 #if 0 /* in registers on entry to upcall */
95 int sa_type;
96 struct sa_t ** sa_sas;
97 int sa_events;
98 int sa_interrupted;
99 #endif
100 void * sa_arg;
101 };
102
103 /*
104 * * Signal frame. Pushed onto user stack before calling sigcode.
105 * */
106
107 /* the pointers are use in the trampoline code to locate the ucontext */
108 struct sigframe {
109 siginfo_t sf_si; /* actual saved siginfo */
110 ucontext_t sf_uc; /* actual saved ucontext */
111 };
112
113 /*
114 * System stack frames.
115 */
116
117
118 typedef struct irqframe {
119 unsigned int if_spsr;
120 unsigned int if_r0;
121 unsigned int if_r1;
122 unsigned int if_r2;
123 unsigned int if_r3;
124 unsigned int if_r4;
125 unsigned int if_r5;
126 unsigned int if_r6;
127 unsigned int if_r7;
128 unsigned int if_r8;
129 unsigned int if_r9;
130 unsigned int if_r10;
131 unsigned int if_r11;
132 unsigned int if_r12;
133 unsigned int if_usr_sp;
134 unsigned int if_usr_lr;
135 unsigned int if_svc_sp;
136 unsigned int if_svc_lr;
137 unsigned int if_pc;
138 } irqframe_t;
139
140 /*
141 * Switch frame
142 */
143
144 struct switchframe {
145 u_int sf_r4;
146 u_int sf_r5;
147 u_int sf_r6;
148 u_int sf_r7;
149 u_int sf_pc;
150 };
151
152 /*
153 * Stack frame. Used during stack traces (db_trace.c)
154 */
155 struct frame {
156 u_int fr_fp;
157 u_int fr_sp;
158 u_int fr_lr;
159 u_int fr_pc;
160 };
161
162 #endif /* !_LOCORE */
163
164 #endif /* _MACHINE_FRAME_H_ */
165
166 /* End of frame.h */
167 Cache object: c17e1811a788d000d3621e0e89b0296a
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