frame.h revision 1.4 1 /*
2 * Copyright (c) 1988 University of Utah.
3 * Copyright (c) 1982, 1990 The Regents of the University of California.
4 * 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 1.1 90/07/09
39 * from: @(#)frame.h 7.2 (Berkeley) 11/2/90
40 * $Id: frame.h,v 1.4 1994/01/26 21:35:37 mw Exp $
41 */
42
43 struct frame {
44 int f_regs[16];
45 short f_stackadj;
46 u_short f_sr;
47 u_int f_pc;
48 u_short f_format:4,
49 f_vector:12;
50 union F_u {
51 struct fmt2 {
52 u_int f_iaddr;
53 } F_fmt2;
54
55 struct fmt3 {
56 u_int f_iaddr;
57 } F_fmt3;
58
59 struct fmt7 {
60 u_int f_ea;
61 u_short f_ssw;
62 u_short f_wb3s;
63 u_short f_wb2s;
64 u_short f_wb1s;
65 u_int f_fa;
66 u_int f_wb3a;
67 u_int f_wb3d;
68 u_int f_wb2a;
69 u_int f_wb2d;
70 u_int f_wb1a;
71 u_int f_wb1d;
72 u_int f_pd1;
73 u_int f_pd2;
74 u_int f_pd3;
75 } F_fmt7;
76
77 struct fmt9 {
78 u_int f_iaddr;
79 u_short f_iregs[4];
80 } F_fmt9;
81
82 struct fmtA {
83 u_short f_ir0;
84 u_short f_ssw;
85 u_short f_ipsc;
86 u_short f_ipsb;
87 u_int f_dcfa;
88 u_short f_ir1, f_ir2;
89 u_int f_dob;
90 u_short f_ir3, f_ir4;
91 } F_fmtA;
92
93 struct fmtB {
94 u_short f_ir0;
95 u_short f_ssw;
96 u_short f_ipsc;
97 u_short f_ipsb;
98 u_int f_dcfa;
99 u_short f_ir1, f_ir2;
100 u_int f_dob;
101 u_short f_ir3, f_ir4;
102 u_short f_ir5, f_ir6;
103 u_int f_sba;
104 u_short f_ir7, f_ir8;
105 u_int f_dib;
106 u_short f_iregs[22];
107 } F_fmtB;
108 } F_u;
109 };
110
111 #define f_fmt2 F_u.F_fmt2
112 #define f_fmt3 F_u.F_fmt3
113 #define f_fmt7 F_u.F_fmt7
114 #define f_fmtA F_u.F_fmtA
115 #define f_fmtB F_u.F_fmtB
116
117 /* common frame size */
118 #define CFSIZE (sizeof(struct frame) - sizeof(union F_u))
119 #define NFMTSIZE 8
120
121 #define FMT0 0x0
122 #define FMT1 0x1
123 #define FMT2 0x2
124 #define FMT3 0x3
125 #define FMT7 0x7
126 #define FMT9 0x9
127 #define FMTA 0xA
128 #define FMTB 0xB
129
130 /* frame specific info sizes */
131 #define FMT0SIZE 0
132 #define FMT1SIZE 0
133 #define FMT2SIZE sizeof(struct fmt2)
134 #define FMT3SIZE sizeof(struct fmt3)
135 #define FMT7SIZE sizeof(struct fmt7)
136 #define FMT9SIZE sizeof(struct fmt9)
137 #define FMTASIZE sizeof(struct fmtA)
138 #define FMTBSIZE sizeof(struct fmtB)
139
140 #define V_BUSERR 0x008
141 #define V_ADDRERR 0x00C
142 #define V_TRAP1 0x084
143
144 /* 68040 fault frame */
145 #define SSW_CP 0x8000 /* Continuation - Floating-Point Post */
146 #define SSW_CU 0x4000 /* Continuation - Unimpl. FP */
147 #define SSW_CT 0x2000 /* Continuation - Trace */
148 #define SSW_CM 0x1000 /* Continuation - MOVEM */
149 #define SSW_MA 0x0800 /* Misaligned access */
150 #define SSW_ATC 0x0400 /* ATC fault */
151 #define SSW_LK 0x0200 /* Locked transfer */
152 #define SSW_RW040 0x0100 /* Read/Write */
153 #define SSW_SZMASK 0x0060 /* Transfer size */
154 #define SSW_TTMASK 0x0018 /* Transfer type */
155 #define SSW_TMMASK 0x0007 /* Transfer modifier */
156
157 #define WBS_TMMASK 0x0007
158 #define WBS_TTMASK 0x0018
159 #define WBS_SZMASK 0x0060
160 #define WBS_VALID 0x0080
161
162 #define WBS_SIZE_BYTE 0x0020
163 #define WBS_SIZE_WORD 0x0040
164 #define WBS_SIZE_LONG 0x0000
165 #define WBS_SIZE_LINE 0x0060
166
167 #define WBS_TT_NORMAL 0x0000
168 #define WBS_TT_MOVE16 0x0008
169 #define WBS_TT_ALTFC 0x0010
170 #define WBS_TT_ACK 0x0018
171
172 #define WBS_TM_PUSH 0x0000
173 #define WBS_TM_UDATA 0x0001
174 #define WBS_TM_UCODE 0x0002
175 #define WBS_TM_MMUTD 0x0003
176 #define WBS_TM_MMUTC 0x0004
177 #define WBS_TM_SDATA 0x0005
178 #define WBS_TM_SCODE 0x0006
179 #define WBS_TM_RESV 0x0007
180
181 #define MMUSR_PA_MASK 0xfffff000
182 #define MMUSR_B 0x00000800
183 #define MMUSR_G 0x00000400
184 #define MMUSR_U1 0x00000200
185 #define MMUSR_U0 0x00000100
186 #define MMUSR_S 0x00000080
187 #define MMUSR_CM 0x00000060
188 #define MMUSR_M 0x00000010
189 #define MMUSR_0 0x00000008
190 #define MMUSR_W 0x00000004
191 #define MMUSR_T 0x00000002
192 #define MMUSR_R 0x00000001
193
194 /* 68020/68030 fault frame */
195 #define SSW_RC 0x2000
196 #define SSW_RB 0x1000
197 #define SSW_DF 0x0100
198 #define SSW_RM 0x0080
199 #define SSW_RW 0x0040
200 #define SSW_FCMASK 0x0007
201
202 struct fpframe {
203 union FPF_u1 {
204 u_int FPF_null;
205 struct {
206 u_char FPF_version;
207 u_char FPF_fsize;
208 u_short FPF_res1;
209 } FPF_nonnull;
210 } FPF_u1;
211 union FPF_u2 {
212 struct fpidle {
213 u_short fpf_ccr;
214 u_short fpf_res2;
215 u_int fpf_iregs1[8];
216 u_int fpf_xops[3];
217 u_int fpf_opreg;
218 u_int fpf_biu;
219 } FPF_idle;
220
221 struct fpbusy {
222 u_int fpf_iregs[53];
223 } FPF_busy;
224
225 } FPF_u2;
226 u_int fpf_regs[8*3];
227 u_int fpf_fpcr;
228 u_int fpf_fpsr;
229 u_int fpf_fpiar;
230 };
231
232 #define fpf_null FPF_u1.FPF_null
233 #define fpf_version FPF_u1.FPF_nonnull.FPF_version
234 #define fpf_fsize FPF_u1.FPF_nonnull.FPF_fsize
235 #define fpf_res1 FPF_u1.FPF_nonnull.FPF_res1
236 #define fpf_idle FPF_u2.FPF_idle
237 #define fpf_busy FPF_u2.FPF_busy
238