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 * %sccs.include.redist.c% 11 * 12 * from: Utah $Hdr: frame.h 1.1 90/07/09$ 13 * 14 * @(#)frame.h 7.2 (Berkeley) 11/02/90 15 */ 16 17 struct frame { 18 int f_regs[16]; 19 short f_stackadj; 20 u_short f_sr; 21 u_int f_pc; 22 u_short f_format:4, 23 f_vector:12; 24 union F_u { 25 struct fmt2 { 26 u_int f_iaddr; 27 } F_fmt2; 28 29 struct fmt9 { 30 u_int f_iaddr; 31 u_short f_iregs[4]; 32 } F_fmt9; 33 34 struct fmtA { 35 u_short f_ir0; 36 u_short f_ssw; 37 u_short f_ipsc; 38 u_short f_ipsb; 39 u_int f_dcfa; 40 u_short f_ir1, f_ir2; 41 u_int f_dob; 42 u_short f_ir3, f_ir4; 43 } F_fmtA; 44 45 struct fmtB { 46 u_short f_ir0; 47 u_short f_ssw; 48 u_short f_ipsc; 49 u_short f_ipsb; 50 u_int f_dcfa; 51 u_short f_ir1, f_ir2; 52 u_int f_dob; 53 u_short f_ir3, f_ir4; 54 u_short f_ir5, f_ir6; 55 u_int f_sba; 56 u_short f_ir7, f_ir8; 57 u_int f_dib; 58 u_short f_iregs[22]; 59 } F_fmtB; 60 } F_u; 61 }; 62 63 #define f_fmt2 F_u.F_fmt2 64 #define f_fmtA F_u.F_fmtA 65 #define f_fmtB F_u.F_fmtB 66 67 /* common frame size */ 68 #define CFSIZE (sizeof(struct frame) - sizeof(union F_u)) 69 #define NFMTSIZE 8 70 71 #define FMT0 0x0 72 #define FMT1 0x1 73 #define FMT2 0x2 74 #define FMT9 0x9 75 #define FMTA 0xA 76 #define FMTB 0xB 77 78 /* frame specific info sizes */ 79 #define FMT0SIZE 0 80 #define FMT1SIZE 0 81 #define FMT2SIZE sizeof(struct fmt2) 82 #define FMT9SIZE sizeof(struct fmt9) 83 #define FMTASIZE sizeof(struct fmtA) 84 #define FMTBSIZE sizeof(struct fmtB) 85 86 #define V_BUSERR 0x008 87 #define V_ADDRERR 0x00C 88 #define V_TRAP1 0x084 89 90 #define SSW_RC 0x2000 91 #define SSW_RB 0x1000 92 #define SSW_DF 0x0100 93 #define SSW_RM 0x0080 94 #define SSW_RW 0x0040 95 #define SSW_FCMASK 0x0007 96 97 struct fpframe { 98 union FPF_u1 { 99 u_int FPF_null; 100 struct { 101 u_char FPF_version; 102 u_char FPF_fsize; 103 u_short FPF_res1; 104 } FPF_nonnull; 105 } FPF_u1; 106 union FPF_u2 { 107 struct fpidle { 108 u_short fpf_ccr; 109 u_short fpf_res2; 110 u_int fpf_iregs1[8]; 111 u_int fpf_xops[3]; 112 u_int fpf_opreg; 113 u_int fpf_biu; 114 } FPF_idle; 115 116 struct fpbusy { 117 u_int fpf_iregs[53]; 118 } FPF_busy; 119 } FPF_u2; 120 u_int fpf_regs[8*3]; 121 u_int fpf_fpcr; 122 u_int fpf_fpsr; 123 u_int fpf_fpiar; 124 }; 125 126 #define fpf_null FPF_u1.FPF_null 127 #define fpf_version FPF_u1.FPF_nonnull.FPF_version 128 #define fpf_fsize FPF_u1.FPF_nonnull.FPF_fsize 129 #define fpf_res1 FPF_u1.FPF_nonnull.FPF_res1 130 #define fpf_idle FPF_u2.FPF_idle 131 #define fpf_busy FPF_u2.FPF_busy 132