1 /* $NetBSD: arm32_reboot.c,v 1.13 2020/06/20 07:10:36 skrll Exp $ */ 2 3 /* 4 * Copyright (c) 2002, 2003, 2005 Genetec Corporation. All rights reserved. 5 * Written by Hiroyuki Bessho for Genetec Corporation. 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 * 3. The name of Genetec Corporation may not be used to endorse or 16 * promote products derived from this software without specific prior 17 * written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY GENETEC CORPORATION ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GENETEC CORPORATION 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 * 31 * Copyright (c) 2001 Wasabi Systems, Inc. 32 * All rights reserved. 33 * 34 * Written by Jason R. Thorpe for Wasabi Systems, Inc. 35 * 36 * Redistribution and use in source and binary forms, with or without 37 * modification, are permitted provided that the following conditions 38 * are met: 39 * 1. Redistributions of source code must retain the above copyright 40 * notice, this list of conditions and the following disclaimer. 41 * 2. Redistributions in binary form must reproduce the above copyright 42 * notice, this list of conditions and the following disclaimer in the 43 * documentation and/or other materials provided with the distribution. 44 * 3. All advertising materials mentioning features or use of this software 45 * must display the following acknowledgement: 46 * This product includes software developed for the NetBSD Project by 47 * Wasabi Systems, Inc. 48 * 4. The name of Wasabi Systems, Inc. may not be used to endorse 49 * or promote products derived from this software without specific prior 50 * written permission. 51 * 52 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 53 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 54 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 55 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 56 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 57 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 58 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 59 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 60 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 61 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 62 * POSSIBILITY OF SUCH DAMAGE. 63 * 64 * Copyright (c) 1997,1998 Mark Brinicombe. 65 * Copyright (c) 1997,1998 Causality Limited. 66 * All rights reserved. 67 * 68 * Redistribution and use in source and binary forms, with or without 69 * modification, are permitted provided that the following conditions 70 * are met: 71 * 1. Redistributions of source code must retain the above copyright 72 * notice, this list of conditions and the following disclaimer. 73 * 2. Redistributions in binary form must reproduce the above copyright 74 * notice, this list of conditions and the following disclaimer in the 75 * documentation and/or other materials provided with the distribution. 76 * 3. All advertising materials mentioning features or use of this software 77 * must display the following acknowledgement: 78 * This product includes software developed by Mark Brinicombe 79 * for the NetBSD Project. 80 * 4. The name of the company nor the name of the author may be used to 81 * endorse or promote products derived from this software without specific 82 * prior written permission. 83 * 84 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 85 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 86 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 87 * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 88 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 89 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 90 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 91 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 92 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 93 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 94 * SUCH DAMAGE. 95 * 96 * Copyright (c) 2007 Microsoft 97 * All rights reserved. 98 * 99 * Redistribution and use in source and binary forms, with or without 100 * modification, are permitted provided that the following conditions 101 * are met: 102 * 1. Redistributions of source code must retain the above copyright 103 * notice, this list of conditions and the following disclaimer. 104 * 2. Redistributions in binary form must reproduce the above copyright 105 * notice, this list of conditions and the following disclaimer in the 106 * documentation and/or other materials provided with the distribution. 107 * 3. All advertising materials mentioning features or use of this software 108 * must display the following acknowledgement: 109 * This product includes software developed by Microsoft 110 * 111 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 112 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 113 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 114 * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTERS BE LIABLE FOR ANY DIRECT, 115 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 116 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 117 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 118 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 119 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 120 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 121 * SUCH DAMAGE. 122 */ 123 124 #include <sys/cdefs.h> 125 __KERNEL_RCSID(0, "$NetBSD: arm32_reboot.c,v 1.13 2020/06/20 07:10:36 skrll Exp $"); 126 127 #include <sys/param.h> 128 129 #include <dev/cons.h> 130 #include <sys/device.h> 131 #include <sys/kernel.h> 132 #include <sys/reboot.h> 133 134 #include <uvm/uvm_extern.h> 135 136 #include <arm/locore.h> 137 #include <arm/arm32/machdep.h> 138 139 void (*cpu_powerdown_address)(void); 140 141 static void 142 docpureset(int howto) 143 { 144 if ((howto & RB_POWERDOWN) == RB_POWERDOWN) { 145 if (cpu_powerdown_address) { 146 cpu_powerdown_address(); 147 printf("WARNING: powerdown failed\r\n"); 148 } else { 149 printf("WARNING: powerdown not supported\r\n"); 150 } 151 } 152 153 if (howto & RB_HALT) { 154 printf("The operating system has halted.\r\n"); 155 printf("Please press any key to reboot.\r\n"); 156 cnpollc(true); /* for proper keyboard command handling */ 157 /* If there is no keyboard, cngetc() returns 0, so loop */ 158 while (cngetc() == 0) 159 delay(100000); 160 cnpollc(false); 161 } 162 163 printf("rebooting...\r\n"); 164 if (cpu_reset_address) 165 (*cpu_reset_address)(); 166 cpu_reset(); 167 /*NOTREACHED*/ 168 } 169 170 void 171 cpu_reboot(int howto, char *bootstr) 172 { 173 174 /* 175 * If we are still cold then hit the air brakes 176 * and crash to earth fast 177 */ 178 if (cold) { 179 doshutdownhooks(); 180 docpureset(RB_HALT | howto); 181 } 182 183 /* 184 * If RB_NOSYNC was not specified sync the discs. 185 * Note: Unless cold is set to 1 here, syslogd will die during the 186 * unmount. It looks like syslogd is getting woken up only to find 187 * that it cannot page part of the binary in as the filesystem has 188 * been unmounted. 189 */ 190 if (!(howto & RB_NOSYNC)) 191 bootsync(); 192 193 /* Say NO to interrupts for the duration of the dump */ 194 int s = splhigh(); 195 196 /* Do a dump if requested. */ 197 if ((howto & (RB_DUMP | RB_HALT)) == RB_DUMP) 198 dumpsys(); 199 200 splx(s); 201 202 pmf_system_shutdown(boothowto); 203 204 /* Say NO to interrupts for good */ 205 splhigh(); 206 207 /* Run any shutdown hooks */ 208 doshutdownhooks(); 209 210 /* Make sure IRQ's are disabled */ 211 IRQdisable; 212 213 docpureset(howto); 214 __unreachable(); 215 } 216
Indexes created Sat Sep 20 22:09:52 GMT 2025