Annotation of sys/arch/m68k/include/frame.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: frame.h,v 1.8 2003/11/16 20:30:06 avsm Exp $ */
! 2: /* $NetBSD: frame.h,v 1.15 1997/05/03 12:49:05 mycroft Exp $ */
! 3:
! 4: /*
! 5: * Copyright (c) 1988 University of Utah.
! 6: * Copyright (c) 1982, 1990, 1993
! 7: * The Regents of the University of California. All rights reserved.
! 8: *
! 9: * This code is derived from software contributed to Berkeley by
! 10: * the Systems Programming Group of the University of Utah Computer
! 11: * Science Department.
! 12: *
! 13: * Redistribution and use in source and binary forms, with or without
! 14: * modification, are permitted provided that the following conditions
! 15: * are met:
! 16: * 1. Redistributions of source code must retain the above copyright
! 17: * notice, this list of conditions and the following disclaimer.
! 18: * 2. Redistributions in binary form must reproduce the above copyright
! 19: * notice, this list of conditions and the following disclaimer in the
! 20: * documentation and/or other materials provided with the distribution.
! 21: * 3. Neither the name of the University nor the names of its contributors
! 22: * may be used to endorse or promote products derived from this software
! 23: * without specific prior written permission.
! 24: *
! 25: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
! 26: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 27: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 28: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
! 29: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 30: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 31: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 32: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 33: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 34: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 35: * SUCH DAMAGE.
! 36: *
! 37: * from: Utah $Hdr: frame.h 1.8 92/12/20$
! 38: *
! 39: * @(#)frame.h 8.1 (Berkeley) 6/10/93
! 40: */
! 41:
! 42: #ifndef _M68K_FRAME_H_
! 43: #define _M68K_FRAME_H_
! 44:
! 45: struct frame {
! 46: struct trapframe {
! 47: int tf_regs[16];
! 48: short tf_pad;
! 49: short tf_stackadj;
! 50: u_short tf_sr;
! 51: u_int tf_pc;
! 52: u_short tf_format:4,
! 53: tf_vector:12;
! 54: } __packed F_t;
! 55: union F_u {
! 56: struct fmt2 {
! 57: u_int f_iaddr;
! 58: } F_fmt2;
! 59:
! 60: struct fmt3 {
! 61: u_int f_ea;
! 62: } F_fmt3;
! 63:
! 64: struct fmt4 {
! 65: u_int f_fa;
! 66: u_int f_fslw;
! 67: /* for 060FP type 4 FP disabled frames: */
! 68: #define f_fea f_fa
! 69: #define f_pcfi f_fslw
! 70: } F_fmt4;
! 71:
! 72: struct fmt7 {
! 73: u_int f_ea;
! 74: u_short f_ssw;
! 75: u_short f_wb3s, f_wb2s, f_wb1s;
! 76: u_int f_fa;
! 77: u_int f_wb3a, f_wb3d;
! 78: u_int f_wb2a, f_wb2d;
! 79: u_int f_wb1a, f_wb1d;
! 80: #define f_pd0 f_wb1d
! 81: u_int f_pd1, f_pd2, f_pd3;
! 82: } F_fmt7;
! 83:
! 84: struct fmt9 {
! 85: u_int f_iaddr;
! 86: u_short f_iregs[4];
! 87: } F_fmt9;
! 88:
! 89: struct fmtA {
! 90: u_short f_ir0;
! 91: u_short f_ssw;
! 92: u_short f_ipsc;
! 93: u_short f_ipsb;
! 94: u_int f_dcfa;
! 95: u_short f_ir1, f_ir2;
! 96: u_int f_dob;
! 97: u_short f_ir3, f_ir4;
! 98: } F_fmtA;
! 99:
! 100: struct fmtB {
! 101: u_short f_ir0;
! 102: u_short f_ssw;
! 103: u_short f_ipsc;
! 104: u_short f_ipsb;
! 105: u_int f_dcfa;
! 106: u_short f_ir1, f_ir2;
! 107: u_int f_dob;
! 108: u_short f_ir3, f_ir4;
! 109: u_short f_ir5, f_ir6;
! 110: u_int f_sba;
! 111: u_short f_ir7, f_ir8;
! 112: u_int f_dib;
! 113: u_short f_iregs[22];
! 114: } F_fmtB;
! 115: } F_u;
! 116: };
! 117:
! 118: #define f_regs F_t.tf_regs
! 119: #define f_pad F_t.tf_pad
! 120: #define f_stackadj F_t.tf_stackadj
! 121: #define f_sr F_t.tf_sr
! 122: #define f_pc F_t.tf_pc
! 123: #define f_format F_t.tf_format
! 124: #define f_vector F_t.tf_vector
! 125: #define f_fmt2 F_u.F_fmt2
! 126: #define f_fmt3 F_u.F_fmt3
! 127: #define f_fmt4 F_u.F_fmt4
! 128: #define f_fmt7 F_u.F_fmt7
! 129: #define f_fmt9 F_u.F_fmt9
! 130: #define f_fmtA F_u.F_fmtA
! 131: #define f_fmtB F_u.F_fmtB
! 132:
! 133: struct switchframe {
! 134: u_int sf_pc;
! 135: };
! 136:
! 137: /* common frame size */
! 138: #define CFSIZE (sizeof(struct frame) - sizeof(union F_u))
! 139: #define NFMTSIZE 9
! 140:
! 141: #define FMT0 0x0
! 142: #define FMT1 0x1
! 143: #define FMT2 0x2
! 144: #define FMT3 0x3
! 145: #define FMT4 0x4
! 146: #define FMT7 0x7
! 147: #define FMT9 0x9
! 148: #define FMTA 0xA
! 149: #define FMTB 0xB
! 150:
! 151: /* frame specific info sizes */
! 152: #define FMT0SIZE 0
! 153: #define FMT1SIZE 0
! 154: #define FMT2SIZE sizeof(struct fmt2)
! 155: #define FMT3SIZE sizeof(struct fmt3)
! 156: #define FMT4SIZE sizeof(struct fmt4)
! 157: #define FMT7SIZE sizeof(struct fmt7)
! 158: #define FMT9SIZE sizeof(struct fmt9)
! 159: #define FMTASIZE sizeof(struct fmtA)
! 160: #define FMTBSIZE sizeof(struct fmtB)
! 161:
! 162: #define V_BUSERR 0x008
! 163: #define V_ADDRERR 0x00C
! 164: #define V_TRAP1 0x084
! 165:
! 166: /* 68020/68030 SSW bits */
! 167: #define SSW_RC 0x2000
! 168: #define SSW_RB 0x1000
! 169: #define SSW_DF 0x0100
! 170: #define SSW_RM 0x0080
! 171: #define SSW_RW 0x0040
! 172: #define SSW_FCMASK 0x0007
! 173:
! 174: /* 68040 SSW bits */
! 175: #define SSW4_CP 0x8000
! 176: #define SSW4_CU 0x4000
! 177: #define SSW4_CT 0x2000
! 178: #define SSW4_CM 0x1000
! 179: #define SSW4_MA 0x0800
! 180: #define SSW4_ATC 0x0400
! 181: #define SSW4_LK 0x0200
! 182: #define SSW4_RW 0x0100
! 183: #define SSW4_WBSV 0x0080 /* really in WB status, not SSW */
! 184: #define SSW4_SZMASK 0x0060
! 185: #define SSW4_SZLW 0x0000
! 186: #define SSW4_SZB 0x0020
! 187: #define SSW4_SZW 0x0040
! 188: #define SSW4_SZLN 0x0060
! 189: #define SSW4_TTMASK 0x0018
! 190: #define SSW4_TTNOR 0x0000
! 191: #define SSW4_TTM16 0x0008
! 192: #define SSW4_TMMASK 0x0007
! 193: #define SSW4_TMDCP 0x0000
! 194: #define SSW4_TMUD 0x0001
! 195: #define SSW4_TMUC 0x0002
! 196: #define SSW4_TMKD 0x0005
! 197: #define SSW4_TMKC 0x0006
! 198:
! 199: /* 060 Fault Status Long Word (FPSP) */
! 200:
! 201: #define FSLW_MA 0x08000000
! 202: #define FSLW_LK 0x02000000
! 203: #define FSLW_RW 0x01800000
! 204:
! 205: #define FSLW_RW_R 0x01000000
! 206: #define FSLW_RW_W 0x00800000
! 207:
! 208: #define FSLW_SIZE 0x00600000
! 209: /*
! 210: * We better define the FSLW_SIZE values here, as the table given in the
! 211: * MC68060UM/AD rev. 0/1 p. 8-23 is wrong, and was corrected in the errata
! 212: * document.
! 213: */
! 214: #define FSLW_SIZE_LONG 0x00000000
! 215: #define FSLW_SIZE_BYTE 0x00200000
! 216: #define FSLW_SIZE_WORD 0x00400000
! 217: #define FSLW_SIZE_MV16 0x00600000
! 218:
! 219: #define FLSW_TT 0x00180000
! 220: #define FSLW_TM 0x00070000
! 221: #define FSLW_TM_SV 0x00040000
! 222:
! 223:
! 224:
! 225: #define FSLW_IO 0x00008000
! 226: #define FSLW_PBE 0x00004000
! 227: #define FSLW_SBE 0x00002000
! 228: #define FSLW_PTA 0x00001000
! 229: #define FSLW_PTB 0x00000800
! 230: #define FSLW_IL 0x00000400
! 231: #define FSLW_PF 0x00000200
! 232: #define FSLW_SP 0x00000100
! 233: #define FSLW_WP 0x00000080
! 234: #define FSLW_TWE 0x00000040
! 235: #define FSLW_RE 0x00000020
! 236: #define FSLW_WE 0x00000010
! 237: #define FSLW_TTR 0x00000008
! 238: #define FSLW_BPE 0x00000004
! 239: #define FSLW_SEE 0x00000001
! 240:
! 241: struct fpframe {
! 242: union FPF_u1 {
! 243: u_int FPF_null;
! 244: struct {
! 245: u_char FPF_version;
! 246: u_char FPF_fsize;
! 247: u_short FPF_res1;
! 248: } FPF_nonnull;
! 249: } FPF_u1;
! 250: union FPF_u2 {
! 251: struct fpidle {
! 252: u_short fpf_ccr;
! 253: u_short fpf_res2;
! 254: u_int fpf_iregs1[8];
! 255: u_int fpf_xops[3];
! 256: u_int fpf_opreg;
! 257: u_int fpf_biu;
! 258: } FPF_idle;
! 259:
! 260: struct fpbusy {
! 261: u_int fpf_iregs[53];
! 262: } FPF_busy;
! 263:
! 264: struct fpunimp {
! 265: u_int fpf_state[10];
! 266: } FPF_unimp;
! 267: } FPF_u2;
! 268: u_int fpf_regs[8*3];
! 269: u_int fpf_fpcr;
! 270: u_int fpf_fpsr;
! 271: u_int fpf_fpiar;
! 272: };
! 273:
! 274: #define fpf_null FPF_u1.FPF_null
! 275: #define fpf_version FPF_u1.FPF_nonnull.FPF_version
! 276: #define fpf_fsize FPF_u1.FPF_nonnull.FPF_fsize
! 277: #define fpf_res1 FPF_u1.FPF_nonnull.FPF_res1
! 278: #define fpf_idle FPF_u2.FPF_idle
! 279: #define fpf_busy FPF_u2.FPF_busy
! 280: #define fpf_unimp FPF_u2.FPF_unimp
! 281:
! 282: /*
! 283: * This is incompatible with the earlier one; expecially, an earlier frame
! 284: * must not be FRESTOREd on a 060 or vv, because a frame error exception is
! 285: * not guaranteed.
! 286: */
! 287:
! 288:
! 289: struct fpframe060 {
! 290: u_short fpf6_excp_exp;
! 291: u_char fpf6_frmfmt;
! 292: #define FPF6_FMT_NULL 0x00
! 293: #define FPF6_FMT_IDLE 0x60
! 294: #define FPF6_FMT_EXCP 0xe0
! 295:
! 296: u_char fpf6_v;
! 297: #define FPF6_V_BSUN 0
! 298: #define FPF6_V_INEX12 1
! 299: #define FPF6_V_DZ 2
! 300: #define FPF6_V_UNFL 3
! 301: #define FPF6_V_OPERR 4
! 302: #define FPF6_V_OVFL 5
! 303: #define FPF6_V_SNAN 6
! 304: #define FPF6_V_UNSUP 7
! 305:
! 306: u_long fpf6_upper, fpf6_lower;
! 307: };
! 308:
! 309: #endif /* _M68K_FRAME_H_ */
CVSweb
![[BACK]](/icons/back.gif){kind=icon}
Return to frame.h CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / sys / arch / m68k / include