/* $OpenBSD: frame.h,v 1.8 2003/11/16 20:30:06 avsm Exp $ */ /* $NetBSD: frame.h,v 1.15 1997/05/03 12:49:05 mycroft Exp $ */ /* * Copyright (c) 1988 University of Utah. * Copyright (c) 1982, 1990, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * the Systems Programming Group of the University of Utah Computer * Science Department. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * from: Utah $Hdr: frame.h 1.8 92/12/20$ * * @(#)frame.h 8.1 (Berkeley) 6/10/93 */ #ifndef _M68K_FRAME_H_ #define _M68K_FRAME_H_ struct frame { struct trapframe { int tf_regs[16]; short tf_pad; short tf_stackadj; u_short tf_sr; u_int tf_pc; u_short tf_format:4, tf_vector:12; } __packed F_t; union F_u { struct fmt2 { u_int f_iaddr; } F_fmt2; struct fmt3 { u_int f_ea; } F_fmt3; struct fmt4 { u_int f_fa; u_int f_fslw; /* for 060FP type 4 FP disabled frames: */ #define f_fea f_fa #define f_pcfi f_fslw } F_fmt4; struct fmt7 { u_int f_ea; u_short f_ssw; u_short f_wb3s, f_wb2s, f_wb1s; u_int f_fa; u_int f_wb3a, f_wb3d; u_int f_wb2a, f_wb2d; u_int f_wb1a, f_wb1d; #define f_pd0 f_wb1d u_int f_pd1, f_pd2, f_pd3; } F_fmt7; struct fmt9 { u_int f_iaddr; u_short f_iregs[4]; } F_fmt9; struct fmtA { u_short f_ir0; u_short f_ssw; u_short f_ipsc; u_short f_ipsb; u_int f_dcfa; u_short f_ir1, f_ir2; u_int f_dob; u_short f_ir3, f_ir4; } F_fmtA; struct fmtB { u_short f_ir0; u_short f_ssw; u_short f_ipsc; u_short f_ipsb; u_int f_dcfa; u_short f_ir1, f_ir2; u_int f_dob; u_short f_ir3, f_ir4; u_short f_ir5, f_ir6; u_int f_sba; u_short f_ir7, f_ir8; u_int f_dib; u_short f_iregs[22]; } F_fmtB; } F_u; }; #define f_regs F_t.tf_regs #define f_pad F_t.tf_pad #define f_stackadj F_t.tf_stackadj #define f_sr F_t.tf_sr #define f_pc F_t.tf_pc #define f_format F_t.tf_format #define f_vector F_t.tf_vector #define f_fmt2 F_u.F_fmt2 #define f_fmt3 F_u.F_fmt3 #define f_fmt4 F_u.F_fmt4 #define f_fmt7 F_u.F_fmt7 #define f_fmt9 F_u.F_fmt9 #define f_fmtA F_u.F_fmtA #define f_fmtB F_u.F_fmtB struct switchframe { u_int sf_pc; }; /* common frame size */ #define CFSIZE (sizeof(struct frame) - sizeof(union F_u)) #define NFMTSIZE 9 #define FMT0 0x0 #define FMT1 0x1 #define FMT2 0x2 #define FMT3 0x3 #define FMT4 0x4 #define FMT7 0x7 #define FMT9 0x9 #define FMTA 0xA #define FMTB 0xB /* frame specific info sizes */ #define FMT0SIZE 0 #define FMT1SIZE 0 #define FMT2SIZE sizeof(struct fmt2) #define FMT3SIZE sizeof(struct fmt3) #define FMT4SIZE sizeof(struct fmt4) #define FMT7SIZE sizeof(struct fmt7) #define FMT9SIZE sizeof(struct fmt9) #define FMTASIZE sizeof(struct fmtA) #define FMTBSIZE sizeof(struct fmtB) #define V_BUSERR 0x008 #define V_ADDRERR 0x00C #define V_TRAP1 0x084 /* 68020/68030 SSW bits */ #define SSW_RC 0x2000 #define SSW_RB 0x1000 #define SSW_DF 0x0100 #define SSW_RM 0x0080 #define SSW_RW 0x0040 #define SSW_FCMASK 0x0007 /* 68040 SSW bits */ #define SSW4_CP 0x8000 #define SSW4_CU 0x4000 #define SSW4_CT 0x2000 #define SSW4_CM 0x1000 #define SSW4_MA 0x0800 #define SSW4_ATC 0x0400 #define SSW4_LK 0x0200 #define SSW4_RW 0x0100 #define SSW4_WBSV 0x0080 /* really in WB status, not SSW */ #define SSW4_SZMASK 0x0060 #define SSW4_SZLW 0x0000 #define SSW4_SZB 0x0020 #define SSW4_SZW 0x0040 #define SSW4_SZLN 0x0060 #define SSW4_TTMASK 0x0018 #define SSW4_TTNOR 0x0000 #define SSW4_TTM16 0x0008 #define SSW4_TMMASK 0x0007 #define SSW4_TMDCP 0x0000 #define SSW4_TMUD 0x0001 #define SSW4_TMUC 0x0002 #define SSW4_TMKD 0x0005 #define SSW4_TMKC 0x0006 /* 060 Fault Status Long Word (FPSP) */ #define FSLW_MA 0x08000000 #define FSLW_LK 0x02000000 #define FSLW_RW 0x01800000 #define FSLW_RW_R 0x01000000 #define FSLW_RW_W 0x00800000 #define FSLW_SIZE 0x00600000 /* * We better define the FSLW_SIZE values here, as the table given in the * MC68060UM/AD rev. 0/1 p. 8-23 is wrong, and was corrected in the errata * document. */ #define FSLW_SIZE_LONG 0x00000000 #define FSLW_SIZE_BYTE 0x00200000 #define FSLW_SIZE_WORD 0x00400000 #define FSLW_SIZE_MV16 0x00600000 #define FLSW_TT 0x00180000 #define FSLW_TM 0x00070000 #define FSLW_TM_SV 0x00040000 #define FSLW_IO 0x00008000 #define FSLW_PBE 0x00004000 #define FSLW_SBE 0x00002000 #define FSLW_PTA 0x00001000 #define FSLW_PTB 0x00000800 #define FSLW_IL 0x00000400 #define FSLW_PF 0x00000200 #define FSLW_SP 0x00000100 #define FSLW_WP 0x00000080 #define FSLW_TWE 0x00000040 #define FSLW_RE 0x00000020 #define FSLW_WE 0x00000010 #define FSLW_TTR 0x00000008 #define FSLW_BPE 0x00000004 #define FSLW_SEE 0x00000001 struct fpframe { union FPF_u1 { u_int FPF_null; struct { u_char FPF_version; u_char FPF_fsize; u_short FPF_res1; } FPF_nonnull; } FPF_u1; union FPF_u2 { struct fpidle { u_short fpf_ccr; u_short fpf_res2; u_int fpf_iregs1[8]; u_int fpf_xops[3]; u_int fpf_opreg; u_int fpf_biu; } FPF_idle; struct fpbusy { u_int fpf_iregs[53]; } FPF_busy; struct fpunimp { u_int fpf_state[10]; } FPF_unimp; } FPF_u2; u_int fpf_regs[8*3]; u_int fpf_fpcr; u_int fpf_fpsr; u_int fpf_fpiar; }; #define fpf_null FPF_u1.FPF_null #define fpf_version FPF_u1.FPF_nonnull.FPF_version #define fpf_fsize FPF_u1.FPF_nonnull.FPF_fsize #define fpf_res1 FPF_u1.FPF_nonnull.FPF_res1 #define fpf_idle FPF_u2.FPF_idle #define fpf_busy FPF_u2.FPF_busy #define fpf_unimp FPF_u2.FPF_unimp /* * This is incompatible with the earlier one; expecially, an earlier frame * must not be FRESTOREd on a 060 or vv, because a frame error exception is * not guaranteed. */ struct fpframe060 { u_short fpf6_excp_exp; u_char fpf6_frmfmt; #define FPF6_FMT_NULL 0x00 #define FPF6_FMT_IDLE 0x60 #define FPF6_FMT_EXCP 0xe0 u_char fpf6_v; #define FPF6_V_BSUN 0 #define FPF6_V_INEX12 1 #define FPF6_V_DZ 2 #define FPF6_V_UNFL 3 #define FPF6_V_OPERR 4 #define FPF6_V_OVFL 5 #define FPF6_V_SNAN 6 #define FPF6_V_UNSUP 7 u_long fpf6_upper, fpf6_lower; }; #endif /* _M68K_FRAME_H_ */