frame.h revision 1.8 1 /* $NetBSD: frame.h,v 1.8 1994/10/26 07:50:47 cgd 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 frame {
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 union F_u {
54 struct fmt2 {
55 u_int f_iaddr;
56 } F_fmt2;
57
58 struct fmt3 {
59 u_int f_ea;
60 } F_fmt3;
61
62 struct fmt7 {
63 u_int f_ea;
64 u_short f_ssw;
65 u_short f_wb3s, f_wb2s, f_wb1s;
66 u_int f_fa;
67 u_int f_wb3a, f_wb3d;
68 u_int f_wb2a, f_wb2d;
69 u_int f_wb1a, f_wb1d;
70 #define f_pd0 f_wb1d
71 u_int f_pd1, f_pd2, f_pd3;
72 } F_fmt7;
73
74 struct fmt9 {
75 u_int f_iaddr;
76 u_short f_iregs[4];
77 } F_fmt9;
78
79 struct fmtA {
80 u_short f_ir0;
81 u_short f_ssw;
82 u_short f_ipsc;
83 u_short f_ipsb;
84 u_int f_dcfa;
85 u_short f_ir1, f_ir2;
86 u_int f_dob;
87 u_short f_ir3, f_ir4;
88 } F_fmtA;
89
90 struct fmtB {
91 u_short f_ir0;
92 u_short f_ssw;
93 u_short f_ipsc;
94 u_short f_ipsb;
95 u_int f_dcfa;
96 u_short f_ir1, f_ir2;
97 u_int f_dob;
98 u_short f_ir3, f_ir4;
99 u_short f_ir5, f_ir6;
100 u_int f_sba;
101 u_short f_ir7, f_ir8;
102 u_int f_dib;
103 u_short f_iregs[22];
104 } F_fmtB;
105 } F_u;
106 };
107
108 #define f_fmt2 F_u.F_fmt2
109 #define f_fmt3 F_u.F_fmt3
110 #define f_fmt7 F_u.F_fmt7
111 #define f_fmt9 F_u.F_fmt9
112 #define f_fmtA F_u.F_fmtA
113 #define f_fmtB F_u.F_fmtB
114
115 /* common frame size */
116 #define CFSIZE (sizeof(struct frame) - sizeof(union F_u))
117 #define NFMTSIZE 8
118
119 #define FMT0 0x0
120 #define FMT1 0x1
121 #define FMT2 0x2
122 #define FMT3 0x3
123 #define FMT7 0x7
124 #define FMT9 0x9
125 #define FMTA 0xA
126 #define FMTB 0xB
127
128 /* frame specific info sizes */
129 #define FMT0SIZE 0
130 #define FMT1SIZE 0
131 #define FMT2SIZE sizeof(struct fmt2)
132 #define FMT3SIZE sizeof(struct fmt3)
133 #define FMT7SIZE sizeof(struct fmt7)
134 #define FMT9SIZE sizeof(struct fmt9)
135 #define FMTASIZE sizeof(struct fmtA)
136 #define FMTBSIZE sizeof(struct fmtB)
137
138 #define V_BUSERR 0x008
139 #define V_ADDRERR 0x00C
140 #define V_TRAP1 0x084
141
142 /* 68020/68030 SSW bits */
143 #define SSW_RC 0x2000
144 #define SSW_RB 0x1000
145 #define SSW_DF 0x0100
146 #define SSW_RM 0x0080
147 #define SSW_RW 0x0040
148 #define SSW_FCMASK 0x0007
149
150 /* 68040 SSW bits */
151 #define SSW4_CP 0x8000
152 #define SSW4_CU 0x4000
153 #define SSW4_CT 0x2000
154 #define SSW4_CM 0x1000
155 #define SSW4_MA 0x0800
156 #define SSW4_ATC 0x0400
157 #define SSW4_LK 0x0200
158 #define SSW4_RW 0x0100
159 #define SSW4_WBSV 0x0080 /* really in WB status, not SSW */
160 #define SSW4_SZMASK 0x0060
161 #define SSW4_SZLW 0x0000
162 #define SSW4_SZB 0x0020
163 #define SSW4_SZW 0x0040
164 #define SSW4_SZLN 0x0060
165 #define SSW4_TTMASK 0x0018
166 #define SSW4_TTNOR 0x0000
167 #define SSW4_TTM16 0x0008
168 #define SSW4_TMMASK 0x0007
169 #define SSW4_TMDCP 0x0000
170 #define SSW4_TMUD 0x0001
171 #define SSW4_TMUC 0x0002
172 #define SSW4_TMKD 0x0005
173 #define SSW4_TMKC 0x0006
174
175 struct fpframe {
176 union FPF_u1 {
177 u_int FPF_null;
178 struct {
179 u_char FPF_version;
180 u_char FPF_fsize;
181 u_short FPF_res1;
182 } FPF_nonnull;
183 } FPF_u1;
184 union FPF_u2 {
185 struct fpidle {
186 u_short fpf_ccr;
187 u_short fpf_res2;
188 u_int fpf_iregs1[8];
189 u_int fpf_xops[3];
190 u_int fpf_opreg;
191 u_int fpf_biu;
192 } FPF_idle;
193
194 struct fpbusy {
195 u_int fpf_iregs[53];
196 } FPF_busy;
197
198 struct fpunimp {
199 u_int fpf_state[10];
200 } FPF_unimp;
201 } FPF_u2;
202 u_int fpf_regs[8*3];
203 u_int fpf_fpcr;
204 u_int fpf_fpsr;
205 u_int fpf_fpiar;
206 };
207
208 #define fpf_null FPF_u1.FPF_null
209 #define fpf_version FPF_u1.FPF_nonnull.FPF_version
210 #define fpf_fsize FPF_u1.FPF_nonnull.FPF_fsize
211 #define fpf_res1 FPF_u1.FPF_nonnull.FPF_res1
212 #define fpf_idle FPF_u2.FPF_idle
213 #define fpf_busy FPF_u2.FPF_busy
214 #define fpf_unimp FPF_u2.FPF_unimp
215