frame.h revision 1.9 1 /* $NetBSD: frame.h,v 1.9 1995/05/12 00:01:05 chopps Exp $ */
2
3 /*
4 * Copyright (c) 1988 University of Utah.
5 * Copyright (c) 1982, 1990, 1993
6 * The Regents of the University of California. All rights reserved.
7 *
8 * This code is derived from software contributed to Berkeley by
9 * the Systems Programming Group of the University of Utah Computer
10 * Science Department.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. All advertising materials mentioning features or use of this software
21 * must display the following acknowledgement:
22 * This product includes software developed by the University of
23 * California, Berkeley and its contributors.
24 * 4. Neither the name of the University nor the names of its contributors
25 * may be used to endorse or promote products derived from this software
26 * without specific prior written permission.
27 *
28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38 * SUCH DAMAGE.
39 *
40 * from: Utah $Hdr: frame.h 1.8 92/12/20$
41 *
42 * @(#)frame.h 8.1 (Berkeley) 6/10/93
43 */
44
45 struct stdframe {
46 int f_regs[16];
47 short f_pad;
48 short f_stackadj;
49 u_short f_sr;
50 u_int f_pc;
51 u_short f_format:4,
52 f_vector:12;
53 };
54
55 struct frame {
56 int f_regs[16];
57 short f_pad;
58 short f_stackadj;
59 u_short f_sr;
60 u_int f_pc;
61 u_short f_format:4,
62 f_vector:12;
63 union F_u {
64 struct fmt2 {
65 u_int f_iaddr;
66 } F_fmt2;
67
68 struct fmt3 {
69 u_int f_ea;
70 } F_fmt3;
71
72 struct fmt7 {
73 u_int f_ea;
74 u_short f_ssw;
75 u_short f_wb3s, f_wb2s, f_wb1s;
76 u_int f_fa;
77 u_int f_wb3a, f_wb3d;
78 u_int f_wb2a, f_wb2d;
79 u_int f_wb1a, f_wb1d;
80 #define f_pd0 f_wb1d
81 u_int f_pd1, f_pd2, f_pd3;
82 } F_fmt7;
83
84 struct fmt9 {
85 u_int f_iaddr;
86 u_short f_iregs[4];
87 } F_fmt9;
88
89 struct fmtA {
90 u_short f_ir0;
91 u_short f_ssw;
92 u_short f_ipsc;
93 u_short f_ipsb;
94 u_int f_dcfa;
95 u_short f_ir1, f_ir2;
96 u_int f_dob;
97 u_short f_ir3, f_ir4;
98 } F_fmtA;
99
100 struct fmtB {
101 u_short f_ir0;
102 u_short f_ssw;
103 u_short f_ipsc;
104 u_short f_ipsb;
105 u_int f_dcfa;
106 u_short f_ir1, f_ir2;
107 u_int f_dob;
108 u_short f_ir3, f_ir4;
109 u_short f_ir5, f_ir6;
110 u_int f_sba;
111 u_short f_ir7, f_ir8;
112 u_int f_dib;
113 u_short f_iregs[22];
114 } F_fmtB;
115 } F_u;
116 };
117
118 #define f_fmt2 F_u.F_fmt2
119 #define f_fmt3 F_u.F_fmt3
120 #define f_fmt7 F_u.F_fmt7
121 #define f_fmt9 F_u.F_fmt9
122 #define f_fmtA F_u.F_fmtA
123 #define f_fmtB F_u.F_fmtB
124
125 /* common frame size */
126 #define CFSIZE (sizeof(struct frame) - sizeof(union F_u))
127 #define NFMTSIZE 8
128
129 #define FMT0 0x0
130 #define FMT1 0x1
131 #define FMT2 0x2
132 #define FMT3 0x3
133 #define FMT7 0x7
134 #define FMT9 0x9
135 #define FMTA 0xA
136 #define FMTB 0xB
137
138 /* frame specific info sizes */
139 #define FMT0SIZE 0
140 #define FMT1SIZE 0
141 #define FMT2SIZE sizeof(struct fmt2)
142 #define FMT3SIZE sizeof(struct fmt3)
143 #define FMT7SIZE sizeof(struct fmt7)
144 #define FMT9SIZE sizeof(struct fmt9)
145 #define FMTASIZE sizeof(struct fmtA)
146 #define FMTBSIZE sizeof(struct fmtB)
147
148 #define V_BUSERR 0x008
149 #define V_ADDRERR 0x00C
150 #define V_TRAP1 0x084
151
152 /* 68020/68030 SSW bits */
153 #define SSW_RC 0x2000
154 #define SSW_RB 0x1000
155 #define SSW_DF 0x0100
156 #define SSW_RM 0x0080
157 #define SSW_RW 0x0040
158 #define SSW_FCMASK 0x0007
159
160 /* 68040 SSW bits */
161 #define SSW4_CP 0x8000
162 #define SSW4_CU 0x4000
163 #define SSW4_CT 0x2000
164 #define SSW4_CM 0x1000
165 #define SSW4_MA 0x0800
166 #define SSW4_ATC 0x0400
167 #define SSW4_LK 0x0200
168 #define SSW4_RW 0x0100
169 #define SSW4_WBSV 0x0080 /* really in WB status, not SSW */
170 #define SSW4_SZMASK 0x0060
171 #define SSW4_SZLW 0x0000
172 #define SSW4_SZB 0x0020
173 #define SSW4_SZW 0x0040
174 #define SSW4_SZLN 0x0060
175 #define SSW4_TTMASK 0x0018
176 #define SSW4_TTNOR 0x0000
177 #define SSW4_TTM16 0x0008
178 #define SSW4_TMMASK 0x0007
179 #define SSW4_TMDCP 0x0000
180 #define SSW4_TMUD 0x0001
181 #define SSW4_TMUC 0x0002
182 #define SSW4_TMKD 0x0005
183 #define SSW4_TMKC 0x0006
184
185 struct fpframe {
186 union FPF_u1 {
187 u_int FPF_null;
188 struct {
189 u_char FPF_version;
190 u_char FPF_fsize;
191 u_short FPF_res1;
192 } FPF_nonnull;
193 } FPF_u1;
194 union FPF_u2 {
195 struct fpidle {
196 u_short fpf_ccr;
197 u_short fpf_res2;
198 u_int fpf_iregs1[8];
199 u_int fpf_xops[3];
200 u_int fpf_opreg;
201 u_int fpf_biu;
202 } FPF_idle;
203
204 struct fpbusy {
205 u_int fpf_iregs[53];
206 } FPF_busy;
207
208 struct fpunimp {
209 u_int fpf_state[10];
210 } FPF_unimp;
211 } FPF_u2;
212 u_int fpf_regs[8*3];
213 u_int fpf_fpcr;
214 u_int fpf_fpsr;
215 u_int fpf_fpiar;
216 };
217
218 #define fpf_null FPF_u1.FPF_null
219 #define fpf_version FPF_u1.FPF_nonnull.FPF_version
220 #define fpf_fsize FPF_u1.FPF_nonnull.FPF_fsize
221 #define fpf_res1 FPF_u1.FPF_nonnull.FPF_res1
222 #define fpf_idle FPF_u2.FPF_idle
223 #define fpf_busy FPF_u2.FPF_busy
224 #define fpf_unimp FPF_u2.FPF_unimp
225