1 /* $NetBSD: db_autoconf.c,v 1.3 2022/03/28 12:38:58 riastradh Exp $ */ 2 3 /*- 4 * Copyright (c) 2016 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __KERNEL_RCSID(0, "$NetBSD: db_autoconf.c,v 1.3 2022/03/28 12:38:58 riastradh Exp $"); 31 32 #ifndef _KERNEL 33 #include <stdbool.h> 34 #endif 35 36 #include <sys/param.h> 37 #include <sys/device.h> 38 #include <sys/device_impl.h> 39 40 #include <ddb/ddb.h> 41 42 static const char *classnames[] = { 43 "dull", "cpu", "disk", "ifnet", "tape", "tty", 44 "audiodev", "displaydev", "bus", "virtual" 45 }; 46 47 struct device * 48 db_device_first(void) 49 { 50 51 return db_read_ptr("alldevs"); 52 } 53 54 struct device * 55 db_device_next(struct device *dv) 56 { 57 58 db_read_bytes((db_addr_t)&dv->dv_list.tqe_next, sizeof(dv), 59 (char *)&dv); 60 return dv; 61 } 62 63 void 64 db_show_all_devices(db_expr_t addr, bool haddr, db_expr_t count, 65 const char *modif) 66 { 67 struct device buf; 68 struct device *dv; 69 const char *cl; 70 71 db_printf("%-16s %10s %4s %18s %18s\n", 72 "NAME","CLASS","UNIT","DEVICE_T","PRIVATE"); 73 74 for (dv = db_device_first(); dv != NULL; dv = db_device_next(dv)) { 75 db_read_bytes((db_addr_t)dv, sizeof(buf), (char *)&buf); 76 77 unsigned i = buf.dv_class; 78 79 if (i >= __arraycount(classnames)) 80 cl = "????"; 81 else 82 cl = classnames[i]; 83 84 db_printf("%-16.16s", buf.dv_xname); 85 db_printf(" %10s", cl); 86 db_printf(" %4u", buf.dv_unit); 87 db_printf(" %18" PRIxPTR, (uintptr_t)dv); 88 db_printf(" %18" PRIxPTR, (uintptr_t)buf.dv_private); 89 db_printf("\n"); 90 } 91 } 92