91 lines
2.7 KiB
C
91 lines
2.7 KiB
C
/* $NetBSD: db_autoconf.c,v 1.2 2018/03/05 07:47:21 mlelstv Exp $ */
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/*-
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* Copyright (c) 2016 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: db_autoconf.c,v 1.2 2018/03/05 07:47:21 mlelstv Exp $");
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#ifndef _KERNEL
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#include <stdbool.h>
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#endif
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#include <sys/param.h>
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#include <sys/device.h>
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#include <ddb/ddb.h>
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static const char *classnames[] = {
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"dull", "cpu", "disk", "ifnet", "tape", "tty",
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"audiodev", "displaydev", "bus", "virtual"
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};
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struct device *
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db_device_first(void)
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{
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return db_read_ptr("alldevs");
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}
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struct device *
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db_device_next(struct device *dv)
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{
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db_read_bytes((db_addr_t)&dv->dv_list.tqe_next, sizeof(dv),
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(char *)&dv);
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return dv;
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}
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void
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db_show_all_devices(db_expr_t addr, bool haddr, db_expr_t count,
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const char *modif)
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{
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struct device buf;
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struct device *dv;
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const char *cl;
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db_printf("%-16s %10s %4s %18s %18s\n",
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"NAME","CLASS","UNIT","DEVICE_T","PRIVATE");
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for (dv = db_device_first(); dv != NULL; dv = db_device_next(dv)) {
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db_read_bytes((db_addr_t)dv, sizeof(buf), (char *)&buf);
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unsigned i = buf.dv_class;
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if (i >= __arraycount(classnames))
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cl = "????";
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else
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cl = classnames[i];
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db_printf("%-16.16s", buf.dv_xname);
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db_printf(" %10s", cl);
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db_printf(" %4u", buf.dv_unit);
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db_printf(" %18" PRIxPTR, (uintptr_t)dv);
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db_printf(" %18" PRIxPTR, (uintptr_t)buf.dv_private);
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db_printf("\n");
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}
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}
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