| 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 | * |
| 40 | * @(#)frame.h 7.2 (Berkeley) 11/2/90 |
| 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 fmt9 { |
| 56 | u_int f_iaddr; |
| 57 | u_short f_iregs[4]; |
| 58 | } F_fmt9; |
| 59 | |
| 60 | struct fmtA { |
| 61 | u_short f_ir0; |
| 62 | u_short f_ssw; |
| 63 | u_short f_ipsc; |
| 64 | u_short f_ipsb; |
| 65 | u_int f_dcfa; |
| 66 | u_short f_ir1, f_ir2; |
| 67 | u_int f_dob; |
| 68 | u_short f_ir3, f_ir4; |
| 69 | } F_fmtA; |
| 70 | |
| 71 | struct fmtB { |
| 72 | u_short f_ir0; |
| 73 | u_short f_ssw; |
| 74 | u_short f_ipsc; |
| 75 | u_short f_ipsb; |
| 76 | u_int f_dcfa; |
| 77 | u_short f_ir1, f_ir2; |
| 78 | u_int f_dob; |
| 79 | u_short f_ir3, f_ir4; |
| 80 | u_short f_ir5, f_ir6; |
| 81 | u_int f_sba; |
| 82 | u_short f_ir7, f_ir8; |
| 83 | u_int f_dib; |
| 84 | u_short f_iregs[22]; |
| 85 | } F_fmtB; |
| 86 | } F_u; |
| 87 | }; |
| 88 | |
| 89 | #define f_fmt2 F_u.F_fmt2 |
| 90 | #define f_fmtA F_u.F_fmtA |
| 91 | #define f_fmtB F_u.F_fmtB |
| 92 | |
| 93 | /* common frame size */ |
| 94 | #define CFSIZE (sizeof(struct frame) - sizeof(union F_u)) |
| 95 | #define NFMTSIZE 8 |
| 96 | |
| 97 | #define FMT0 0x0 |
| 98 | #define FMT1 0x1 |
| 99 | #define FMT2 0x2 |
| 100 | #define FMT9 0x9 |
| 101 | #define FMTA 0xA |
| 102 | #define FMTB 0xB |
| 103 | |
| 104 | /* frame specific info sizes */ |
| 105 | #define FMT0SIZE 0 |
| 106 | #define FMT1SIZE 0 |
| 107 | #define FMT2SIZE sizeof(struct fmt2) |
| 108 | #define FMT9SIZE sizeof(struct fmt9) |
| 109 | #define FMTASIZE sizeof(struct fmtA) |
| 110 | #define FMTBSIZE sizeof(struct fmtB) |
| 111 | |
| 112 | #define V_BUSERR 0x008 |
| 113 | #define V_ADDRERR 0x00C |
| 114 | #define V_TRAP1 0x084 |
| 115 | |
| 116 | #define SSW_RC 0x2000 |
| 117 | #define SSW_RB 0x1000 |
| 118 | #define SSW_DF 0x0100 |
| 119 | #define SSW_RM 0x0080 |
| 120 | #define SSW_RW 0x0040 |
| 121 | #define SSW_FCMASK 0x0007 |
| 122 | |
| 123 | struct fpframe { |
| 124 | union FPF_u1 { |
| 125 | u_int FPF_null; |
| 126 | struct { |
| 127 | u_char FPF_version; |
| 128 | u_char FPF_fsize; |
| 129 | u_short FPF_res1; |
| 130 | } FPF_nonnull; |
| 131 | } FPF_u1; |
| 132 | union FPF_u2 { |
| 133 | struct fpidle { |
| 134 | u_short fpf_ccr; |
| 135 | u_short fpf_res2; |
| 136 | u_int fpf_iregs1[8]; |
| 137 | u_int fpf_xops[3]; |
| 138 | u_int fpf_opreg; |
| 139 | u_int fpf_biu; |
| 140 | } FPF_idle; |
| 141 | |
| 142 | struct fpbusy { |
| 143 | u_int fpf_iregs[53]; |
| 144 | } FPF_busy; |
| 145 | } FPF_u2; |
| 146 | u_int fpf_regs[8*3]; |
| 147 | u_int fpf_fpcr; |
| 148 | u_int fpf_fpsr; |
| 149 | u_int fpf_fpiar; |
| 150 | }; |
| 151 | |
| 152 | #define fpf_null FPF_u1.FPF_null |
| 153 | #define fpf_version FPF_u1.FPF_nonnull.FPF_version |
| 154 | #define fpf_fsize FPF_u1.FPF_nonnull.FPF_fsize |
| 155 | #define fpf_res1 FPF_u1.FPF_nonnull.FPF_res1 |
| 156 | #define fpf_idle FPF_u2.FPF_idle |
| 157 | #define fpf_busy FPF_u2.FPF_busy |