/* $NetBSD: cpuframe.h,v 1.3 2003/10/27 01:05:08 cl Exp $ */ /* * 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 */ /* * Copyright (c) 1988 University of Utah. * * 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. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. 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_CPUFRAME_H_ #define _M68K_CPUFRAME_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 /* BITFIELDTYPE */ tf_format:4, /* BITFIELDTYPE */ tf_vector:12; } __attribute__((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 fmt8 { u_short f_ssw; u_int f_accaddr; u_short f_ir0; u_short f_dob; u_short f_ir1; u_short f_dib; u_short f_ir2; u_short f_irc; u_short f_maskpc; u_short f_iregs[15]; } __attribute__((packed)) F_fmt8; 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_fmt8 F_u.F_fmt8 #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; }; 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; u_char fpf6_v; u_long fpf6_upper, fpf6_lower; }; #endif /* _M68K_CPUFRAME_H_ */