/* $NetBSD: kdbreg.h,v 1.5 2005/12/11 12:21:15 christos Exp $ */ /* * Copyright (c) 1988 Regents of the University of California. * All rights reserved. * * This code is derived from software contributed to Berkeley by * Chris Torek. * * 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. * * @(#)kdbreg.h 7.3 (Berkeley) 6/28/90 */ /* * The KDB50 registers are embedded inside the bi interface * general-purpose registers. */ #ifdef notdef struct kdb_regs { struct biiregs kdb_bi; short kdb_xxx; /* first half of GPR 0 unused */ short kdb_ip; /* initialisation and polling */ short kdb_sa; /* status & address (r/o half) */ short kdb_sw; /* status & address (w/o half) */ }; #endif #define KDB_IP 0xf2 #define KDB_SA 0xf4 #define KDB_SW 0xf6 #define KDBSR_BITS \ "\20\20ERR\17STEP4\16STEP3\15STEP2\14STEP1\13oldNV\12oldQB\11DI\10IE\1GO" /* * Asserting KDB_MAP in values placed in mscp_seq.seq_buffer tells * the KDB to use mscp_seq.seq_mapbase as a set of PTEs and seq_buffer * as an offset value. Hence we need no mappings; the KDB50 reads * the hardware page tables directly. (Without KDB_MAP, seq_bufer * represents the physical memory address instead, and seq_mapbase is * unused.) */ #define KDB_MAP 0x80000000 #define KDB_PHYS 0 /* pseudo flag */ |