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/* $NetBSD: frame.h,v 1.10 1995/05/12 12:45:24 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. 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
*/
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;
} F_t;
union F_u {
struct fmt2 {
u_int f_iaddr;
} F_fmt2;
struct fmt3 {
u_int f_ea;
} F_fmt3;
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_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 8
#define FMT0 0x0
#define FMT1 0x1
#define FMT2 0x2
#define FMT3 0x3
#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 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
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
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