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28a753c6 WJ |
1 | /*- |
2 | * Copyright (c) 1990 The Regents of the University of California. | |
3 | * All rights reserved. | |
4 | * | |
5 | * This code is derived from software contributed to Berkeley by | |
6 | * William Jolitz. | |
7 | * | |
8 | * Redistribution and use in source and binary forms, with or without | |
9 | * modification, are permitted provided that the following conditions | |
10 | * are met: | |
11 | * 1. Redistributions of source code must retain the above copyright | |
12 | * notice, this list of conditions and the following disclaimer. | |
13 | * 2. Redistributions in binary form must reproduce the above copyright | |
14 | * notice, this list of conditions and the following disclaimer in the | |
15 | * documentation and/or other materials provided with the distribution. | |
16 | * 3. All advertising materials mentioning features or use of this software | |
17 | * must display the following acknowledgement: | |
18 | * This product includes software developed by the University of | |
19 | * California, Berkeley and its contributors. | |
20 | * 4. Neither the name of the University nor the names of its contributors | |
21 | * may be used to endorse or promote products derived from this software | |
22 | * without specific prior written permission. | |
23 | * | |
24 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
25 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
26 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
27 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
28 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
29 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
30 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
31 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
32 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
33 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
34 | * SUCH DAMAGE. | |
35 | * | |
36 | * @(#)frame.h 5.2 (Berkeley) 1/18/91 | |
37 | */ | |
38 | ||
39 | /* | |
40 | * System stack frames. | |
41 | */ | |
42 | ||
43 | /* | |
44 | * Exception/Trap Stack Frame | |
45 | */ | |
46 | ||
47 | struct trapframe { | |
48 | int tf_es; | |
49 | int tf_ds; | |
50 | int tf_edi; | |
51 | int tf_esi; | |
52 | int tf_ebp; | |
53 | int tf_isp; | |
54 | int tf_ebx; | |
55 | int tf_edx; | |
56 | int tf_ecx; | |
57 | int tf_eax; | |
58 | int tf_trapno; | |
59 | /* below portion defined in 386 hardware */ | |
60 | int tf_err; | |
61 | int tf_eip; | |
62 | int tf_cs; | |
63 | int tf_eflags; | |
64 | /* below only when transitting rings (e.g. user to kernel) */ | |
65 | int tf_esp; | |
66 | int tf_ss; | |
67 | }; | |
68 | ||
69 | /* Interrupt stack frame */ | |
70 | ||
71 | struct intrframe { | |
72 | int if_vec; | |
73 | int if_ppl; | |
74 | int if_es; | |
75 | int if_ds; | |
76 | int if_edi; | |
77 | int if_esi; | |
78 | int if_ebp; | |
79 | int :32; | |
80 | int if_ebx; | |
81 | int if_edx; | |
82 | int if_ecx; | |
83 | int if_eax; | |
84 | int :32; /* for compat with trap frame - trapno */ | |
85 | int :32; /* for compat with trap frame - err */ | |
86 | /* below portion defined in 386 hardware */ | |
87 | int if_eip; | |
88 | int if_cs; | |
89 | int if_eflags; | |
90 | /* below only when transitting rings (e.g. user to kernel) */ | |
91 | int if_esp; | |
92 | int if_ss; | |
93 | }; | |
94 | ||
95 | /* | |
96 | * Call Gate/System Call Stack Frame | |
97 | */ | |
98 | ||
99 | struct syscframe { | |
100 | int sf_edi; | |
101 | int sf_esi; | |
102 | int sf_ebp; | |
103 | int :32; /* redundant save of isp */ | |
104 | int sf_ebx; | |
105 | int sf_edx; | |
106 | int sf_ecx; | |
107 | int sf_eax; | |
108 | int sf_eflags; | |
109 | /* below portion defined in 386 hardware */ | |
110 | /* int sf_args[N]; /* if call gate copy args enabled!*/ | |
111 | int sf_eip; | |
112 | int sf_cs; | |
113 | /* below only when transitting rings (e.g. user to kernel) */ | |
114 | int sf_esp; | |
115 | int sf_ss; | |
116 | }; |