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Diffstat (limited to 'sys/arch/vax/bi/kdbreg.h')
| -rw-r--r-- | sys/arch/vax/bi/kdbreg.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/sys/arch/vax/bi/kdbreg.h b/sys/arch/vax/bi/kdbreg.h new file mode 100644 index 00000000000..95ed9548093 --- /dev/null +++ b/sys/arch/vax/bi/kdbreg.h @@ -0,0 +1,64 @@ +/* $NetBSD: kdbreg.h,v 1.1 1996/07/19 14:26:56 ragge 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. 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. + * + * @(#)kdbreg.h 7.3 (Berkeley) 6/28/90 + */ + +/* + * The KDB50 registers are embedded inside the bi interface + * general-purpose registers. + */ +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) */ +}; + +#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 */ |