frame.h revision 1.6 1 /*
2 * Copyright (c) 1988 University of Utah.
3 * Copyright (c) 1982, 1990, 1993
4 * The Regents of the University of California. All rights reserved.
5 *
6 * This code is derived from software contributed to Berkeley by
7 * the Systems Programming Group of the University of Utah Computer
8 * Science Department.
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 the University of
21 * California, Berkeley and its contributors.
22 * 4. Neither the name of the University nor the names of its contributors
23 * may be used to endorse or promote products derived from this software
24 * without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * SUCH DAMAGE.
37 *
38 * from: Utah $Hdr: frame.h 1.8 92/12/20$
39 *
40 * @(#)frame.h 8.1 (Berkeley) 6/10/93
41 */
42
43 struct frame {
44 int f_regs[16];
45 short f_pad;
46 short f_stackadj;
47 u_short f_sr;
48 u_int f_pc;
49 u_short f_format:4,
50 f_vector:12;
51 union F_u {
52 struct fmt2 {
53 u_int f_iaddr;
54 } F_fmt2;
55
56 struct fmt3 {
57 u_int f_ea;
58 } F_fmt3;
59
60 struct fmt7 {
61 u_int f_ea;
62 u_short f_ssw;
63 u_short f_wb3s, f_wb2s, f_wb1s;
64 u_int f_fa;
65 u_int f_wb3a, f_wb3d;
66 u_int f_wb2a, f_wb2d;
67 u_int f_wb1a, f_wb1d;
68 #define f_pd0 f_wb1d
69 u_int f_pd1, f_pd2, f_pd3;
70 } F_fmt7;
71
72 struct fmt9 {
73 u_int f_iaddr;
74 u_short f_iregs[4];
75 } F_fmt9;
76
77 struct fmtA {
78 u_short f_ir0;
79 u_short f_ssw;
80 u_short f_ipsc;
81 u_short f_ipsb;
82 u_int f_dcfa;
83 u_short f_ir1, f_ir2;
84 u_int f_dob;
85 u_short f_ir3, f_ir4;
86 } F_fmtA;
87
88 struct fmtB {
89 u_short f_ir0;
90 u_short f_ssw;
91 u_short f_ipsc;
92 u_short f_ipsb;
93 u_int f_dcfa;
94 u_short f_ir1, f_ir2;
95 u_int f_dob;
96 u_short f_ir3, f_ir4;
97 u_short f_ir5, f_ir6;
98 u_int f_sba;
99 u_short f_ir7, f_ir8;
100 u_int f_dib;
101 u_short f_iregs[22];
102 } F_fmtB;
103 } F_u;
104 };
105
106 #define f_fmt2 F_u.F_fmt2
107 #define f_fmt3 F_u.F_fmt3
108 #define f_fmt7 F_u.F_fmt7
109 #define f_fmt9 F_u.F_fmt9
110 #define f_fmtA F_u.F_fmtA
111 #define f_fmtB F_u.F_fmtB
112
113 /* common frame size */
114 #define CFSIZE (sizeof(struct frame) - sizeof(union F_u))
115 #define NFMTSIZE 8
116
117 #define FMT0 0x0
118 #define FMT1 0x1
119 #define FMT2 0x2
120 #define FMT3 0x3
121 #define FMT7 0x7
122 #define FMT9 0x9
123 #define FMTA 0xA
124 #define FMTB 0xB
125
126 /* frame specific info sizes */
127 #define FMT0SIZE 0
128 #define FMT1SIZE 0
129 #define FMT2SIZE sizeof(struct fmt2)
130 #define FMT3SIZE sizeof(struct fmt3)
131 #define FMT7SIZE sizeof(struct fmt7)
132 #define FMT9SIZE sizeof(struct fmt9)
133 #define FMTASIZE sizeof(struct fmtA)
134 #define FMTBSIZE sizeof(struct fmtB)
135
136 #define V_BUSERR 0x008
137 #define V_ADDRERR 0x00C
138 #define V_TRAP1 0x084
139
140 /* 68020/68030 SSW bits */
141 #define SSW_RC 0x2000
142 #define SSW_RB 0x1000
143 #define SSW_DF 0x0100
144 #define SSW_RM 0x0080
145 #define SSW_RW 0x0040
146 #define SSW_FCMASK 0x0007
147
148 /* 68040 SSW bits */
149 #define SSW4_CP 0x8000
150 #define SSW4_CU 0x4000
151 #define SSW4_CT 0x2000
152 #define SSW4_CM 0x1000
153 #define SSW4_MA 0x0800
154 #define SSW4_ATC 0x0400
155 #define SSW4_LK 0x0200
156 #define SSW4_RW 0x0100
157 #define SSW4_WBSV 0x0080 /* really in WB status, not SSW */
158 #define SSW4_SZMASK 0x0060
159 #define SSW4_SZLW 0x0000
160 #define SSW4_SZB 0x0020
161 #define SSW4_SZW 0x0040
162 #define SSW4_SZLN 0x0060
163 #define SSW4_TTMASK 0x0018
164 #define SSW4_TTNOR 0x0000
165 #define SSW4_TTM16 0x0008
166 #define SSW4_TMMASK 0x0007
167 #define SSW4_TMDCP 0x0000
168 #define SSW4_TMUD 0x0001
169 #define SSW4_TMUC 0x0002
170 #define SSW4_TMKD 0x0005
171 #define SSW4_TMKC 0x0006
172
173 struct fpframe {
174 union FPF_u1 {
175 u_int FPF_null;
176 struct {
177 u_char FPF_version;
178 u_char FPF_fsize;
179 u_short FPF_res1;
180 } FPF_nonnull;
181 } FPF_u1;
182 union FPF_u2 {
183 struct fpidle {
184 u_short fpf_ccr;
185 u_short fpf_res2;
186 u_int fpf_iregs1[8];
187 u_int fpf_xops[3];
188 u_int fpf_opreg;
189 u_int fpf_biu;
190 } FPF_idle;
191
192 struct fpbusy {
193 u_int fpf_iregs[53];
194 } FPF_busy;
195
196 struct fpunimp {
197 u_int fpf_state[10];
198 } FPF_unimp;
199 } FPF_u2;
200 u_int fpf_regs[8*3];
201 u_int fpf_fpcr;
202 u_int fpf_fpsr;
203 u_int fpf_fpiar;
204 };
205
206 #define fpf_null FPF_u1.FPF_null
207 #define fpf_version FPF_u1.FPF_nonnull.FPF_version
208 #define fpf_fsize FPF_u1.FPF_nonnull.FPF_fsize
209 #define fpf_res1 FPF_u1.FPF_nonnull.FPF_res1
210 #define fpf_idle FPF_u2.FPF_idle
211 #define fpf_busy FPF_u2.FPF_busy
212 #define fpf_unimp FPF_u2.FPF_unimp
213