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