1 /* $NetBSD: fdt_userconf.c,v 1.1 2022/03/25 21:23:51 jmcneill Exp $ */ 2 3 /*- 4 * Copyright (c) 2022 Jared McNeill <jmcneill@invisible.ca> 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 AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __KERNEL_RCSID(0, "$NetBSD: fdt_userconf.c,v 1.1 2022/03/25 21:23:51 jmcneill Exp $"); 31 32 #include <sys/param.h> 33 #include <sys/systm.h> 34 #include <sys/userconf.h> 35 36 #include <libfdt.h> 37 #include <dev/fdt/fdtvar.h> 38 39 #define FDT_CHOSEN_PATH "/chosen" 40 #define FDT_CHOSEN_USERCONF_PROP "netbsd,userconf" 41 42 void 43 userconf_bootinfo(void) 44 { 45 const void *fdt = fdtbus_get_data(); 46 const char *cmd; 47 int chosen, index; 48 49 if (fdt == NULL) { 50 return; 51 } 52 53 chosen = fdt_path_offset(fdt, FDT_CHOSEN_PATH); 54 if (chosen < 0) { 55 return; 56 } 57 58 index = 0; 59 do { 60 cmd = fdt_stringlist_get(fdt, chosen, FDT_CHOSEN_USERCONF_PROP, 61 index++, NULL); 62 if (cmd != NULL) { 63 aprint_debug("Processing userconf command: %s\n", cmd); 64 userconf_parse(__UNCONST(cmd)); 65 } 66 } while (cmd != NULL); 67 } 68