stubs.c revision 1.1.2.7
1 1.1.2.7 jdolecek /* $NetBSD: stubs.c,v 1.1.2.7 2002/06/23 17:34:46 jdolecek Exp $ */ 2 1.1.2.2 lukem 3 1.1.2.2 lukem /* 4 1.1.2.2 lukem * Copyright (c) 1994-1998 Mark Brinicombe. 5 1.1.2.2 lukem * Copyright (c) 1994 Brini. 6 1.1.2.2 lukem * All rights reserved. 7 1.1.2.2 lukem * 8 1.1.2.2 lukem * This code is derived from software written for Brini by Mark Brinicombe 9 1.1.2.2 lukem * 10 1.1.2.2 lukem * Redistribution and use in source and binary forms, with or without 11 1.1.2.2 lukem * modification, are permitted provided that the following conditions 12 1.1.2.2 lukem * are met: 13 1.1.2.2 lukem * 1. Redistributions of source code must retain the above copyright 14 1.1.2.2 lukem * notice, this list of conditions and the following disclaimer. 15 1.1.2.2 lukem * 2. Redistributions in binary form must reproduce the above copyright 16 1.1.2.2 lukem * notice, this list of conditions and the following disclaimer in the 17 1.1.2.2 lukem * documentation and/or other materials provided with the distribution. 18 1.1.2.2 lukem * 3. All advertising materials mentioning features or use of this software 19 1.1.2.2 lukem * must display the following acknowledgement: 20 1.1.2.2 lukem * This product includes software developed by Mark Brinicombe 21 1.1.2.2 lukem * for the NetBSD Project. 22 1.1.2.2 lukem * 4. The name of the company nor the name of the author may be used to 23 1.1.2.2 lukem * endorse or promote products derived from this software without specific 24 1.1.2.2 lukem * prior written permission. 25 1.1.2.2 lukem * 26 1.1.2.2 lukem * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 27 1.1.2.2 lukem * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 28 1.1.2.2 lukem * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 29 1.1.2.2 lukem * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 30 1.1.2.2 lukem * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 31 1.1.2.2 lukem * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 32 1.1.2.2 lukem * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 1.1.2.2 lukem * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 1.1.2.2 lukem * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 1.1.2.2 lukem * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 1.1.2.2 lukem * SUCH DAMAGE. 37 1.1.2.2 lukem * 38 1.1.2.2 lukem * Routines that are temporary or do not have a home yet. 39 1.1.2.2 lukem * 40 1.1.2.2 lukem * Created : 17/09/94 41 1.1.2.2 lukem */ 42 1.1.2.2 lukem 43 1.1.2.2 lukem #include <sys/param.h> 44 1.1.2.2 lukem #include <sys/systm.h> 45 1.1.2.2 lukem #include <sys/errno.h> 46 1.1.2.2 lukem #include <sys/proc.h> 47 1.1.2.2 lukem #include <sys/conf.h> 48 1.1.2.2 lukem #include <sys/msgbuf.h> 49 1.1.2.2 lukem #include <uvm/uvm_extern.h> 50 1.1.2.2 lukem #include <machine/cpu.h> 51 1.1.2.4 thorpej #include <machine/intr.h> 52 1.1.2.2 lukem #include <machine/bootconfig.h> 53 1.1.2.2 lukem #include <machine/pcb.h> 54 1.1.2.5 thorpej #include <arm/arm32/machdep.h> 55 1.1.2.2 lukem 56 1.1.2.2 lukem extern dev_t dumpdev; 57 1.1.2.2 lukem extern BootConfig bootconfig; 58 1.1.2.2 lukem 59 1.1.2.2 lukem /* 60 1.1.2.2 lukem * These variables are needed by /sbin/savecore 61 1.1.2.2 lukem */ 62 1.1.2.6 jdolecek u_int32_t dumpmag = 0x8fca0101; /* magic number */ 63 1.1.2.2 lukem int dumpsize = 0; /* pages */ 64 1.1.2.2 lukem long dumplo = 0; /* blocks */ 65 1.1.2.2 lukem 66 1.1.2.2 lukem struct pcb dumppcb; 67 1.1.2.2 lukem 68 1.1.2.2 lukem /* 69 1.1.2.2 lukem * This is called by main to set dumplo and dumpsize. 70 1.1.2.2 lukem * Dumps always skip the first CLBYTES of disk space 71 1.1.2.2 lukem * in case there might be a disk label stored there. 72 1.1.2.2 lukem * If there is extra space, put dump at the end to 73 1.1.2.2 lukem * reduce the chance that swapping trashes it. 74 1.1.2.2 lukem */ 75 1.1.2.2 lukem 76 1.1.2.2 lukem void 77 1.1.2.2 lukem cpu_dumpconf() 78 1.1.2.2 lukem { 79 1.1.2.2 lukem int nblks; /* size of dump area */ 80 1.1.2.2 lukem int maj; 81 1.1.2.2 lukem 82 1.1.2.2 lukem if (dumpdev == NODEV) 83 1.1.2.2 lukem return; 84 1.1.2.2 lukem maj = major(dumpdev); 85 1.1.2.2 lukem if (maj < 0 || maj >= nblkdev) 86 1.1.2.2 lukem panic("dumpconf: bad dumpdev=0x%x", dumpdev); 87 1.1.2.2 lukem if (bdevsw[maj].d_psize == NULL) 88 1.1.2.2 lukem return; 89 1.1.2.2 lukem nblks = (*bdevsw[maj].d_psize)(dumpdev); 90 1.1.2.2 lukem if (nblks <= ctod(1)) 91 1.1.2.2 lukem return; 92 1.1.2.2 lukem 93 1.1.2.2 lukem dumpsize = physmem; 94 1.1.2.2 lukem 95 1.1.2.2 lukem /* Always skip the first CLBYTES, in case there is a label there. */ 96 1.1.2.2 lukem if (dumplo < ctod(1)) 97 1.1.2.2 lukem dumplo = ctod(1); 98 1.1.2.2 lukem 99 1.1.2.2 lukem /* Put dump at end of partition, and make it fit. */ 100 1.1.2.2 lukem if (dumpsize > dtoc(nblks - dumplo)) 101 1.1.2.2 lukem dumpsize = dtoc(nblks - dumplo); 102 1.1.2.2 lukem if (dumplo < nblks - ctod(dumpsize)) 103 1.1.2.2 lukem dumplo = nblks - ctod(dumpsize); 104 1.1.2.2 lukem } 105 1.1.2.2 lukem 106 1.1.2.2 lukem /* This should be moved to machdep.c */ 107 1.1.2.2 lukem 108 1.1.2.7 jdolecek extern char *memhook; /* XXX */ 109 1.1.2.2 lukem 110 1.1.2.2 lukem /* 111 1.1.2.2 lukem * Doadump comes here after turning off memory management and 112 1.1.2.2 lukem * getting on the dump stack, either when called above, or by 113 1.1.2.2 lukem * the auto-restart code. 114 1.1.2.2 lukem */ 115 1.1.2.2 lukem 116 1.1.2.2 lukem void 117 1.1.2.2 lukem dumpsys() 118 1.1.2.2 lukem { 119 1.1.2.2 lukem daddr_t blkno; 120 1.1.2.2 lukem int psize; 121 1.1.2.2 lukem int error; 122 1.1.2.2 lukem int addr; 123 1.1.2.2 lukem int block; 124 1.1.2.2 lukem int len; 125 1.1.2.2 lukem vaddr_t dumpspace; 126 1.1.2.2 lukem 127 1.1.2.2 lukem /* Save registers. */ 128 1.1.2.2 lukem savectx(&dumppcb); 129 1.1.2.2 lukem 130 1.1.2.2 lukem if (dumpdev == NODEV) 131 1.1.2.2 lukem return; 132 1.1.2.2 lukem if (dumpsize == 0) { 133 1.1.2.2 lukem cpu_dumpconf(); 134 1.1.2.2 lukem if (dumpsize == 0) 135 1.1.2.2 lukem return; 136 1.1.2.2 lukem } 137 1.1.2.2 lukem if (dumplo <= 0) { 138 1.1.2.2 lukem printf("\ndump to dev %u,%u not possible\n", major(dumpdev), 139 1.1.2.2 lukem minor(dumpdev)); 140 1.1.2.2 lukem return; 141 1.1.2.2 lukem } 142 1.1.2.2 lukem printf("\ndumping to dev %u,%u offset %ld\n", major(dumpdev), 143 1.1.2.2 lukem minor(dumpdev), dumplo); 144 1.1.2.2 lukem 145 1.1.2.2 lukem blkno = dumplo; 146 1.1.2.7 jdolecek dumpspace = (vaddr_t) memhook; 147 1.1.2.2 lukem 148 1.1.2.2 lukem psize = (*bdevsw[major(dumpdev)].d_psize)(dumpdev); 149 1.1.2.2 lukem printf("dump "); 150 1.1.2.2 lukem if (psize == -1) { 151 1.1.2.2 lukem printf("area unavailable\n"); 152 1.1.2.2 lukem return; 153 1.1.2.2 lukem } 154 1.1.2.2 lukem 155 1.1.2.2 lukem error = 0; 156 1.1.2.2 lukem len = 0; 157 1.1.2.2 lukem 158 1.1.2.2 lukem for (block = 0; block < bootconfig.dramblocks && error == 0; ++block) { 159 1.1.2.2 lukem addr = bootconfig.dram[block].address; 160 1.1.2.2 lukem for (;addr < (bootconfig.dram[block].address 161 1.1.2.2 lukem + (bootconfig.dram[block].pages * NBPG)); addr += NBPG) { 162 1.1.2.2 lukem if ((len % (1024*1024)) == 0) 163 1.1.2.2 lukem printf("%d ", len / (1024*1024)); 164 1.1.2.2 lukem pmap_map(dumpspace, addr, addr + NBPG, VM_PROT_READ); 165 1.1.2.2 lukem error = (*bdevsw[major(dumpdev)].d_dump)(dumpdev, 166 1.1.2.2 lukem blkno, (caddr_t) dumpspace, NBPG); 167 1.1.2.2 lukem if (error) break; 168 1.1.2.2 lukem blkno += btodb(NBPG); 169 1.1.2.2 lukem len += NBPG; 170 1.1.2.2 lukem } 171 1.1.2.2 lukem } 172 1.1.2.2 lukem 173 1.1.2.2 lukem switch (error) { 174 1.1.2.2 lukem case ENXIO: 175 1.1.2.2 lukem printf("device bad\n"); 176 1.1.2.2 lukem break; 177 1.1.2.2 lukem 178 1.1.2.2 lukem case EFAULT: 179 1.1.2.2 lukem printf("device not ready\n"); 180 1.1.2.2 lukem break; 181 1.1.2.2 lukem 182 1.1.2.2 lukem case EINVAL: 183 1.1.2.2 lukem printf("area improper\n"); 184 1.1.2.2 lukem break; 185 1.1.2.2 lukem 186 1.1.2.2 lukem case EIO: 187 1.1.2.2 lukem printf("i/o error\n"); 188 1.1.2.2 lukem break; 189 1.1.2.2 lukem 190 1.1.2.2 lukem case EINTR: 191 1.1.2.2 lukem printf("aborted from console\n"); 192 1.1.2.2 lukem break; 193 1.1.2.2 lukem 194 1.1.2.2 lukem default: 195 1.1.2.2 lukem printf("succeeded\n"); 196 1.1.2.2 lukem break; 197 1.1.2.2 lukem } 198 1.1.2.2 lukem printf("\n\n"); 199 1.1.2.2 lukem delay(1000000); 200 1.1.2.2 lukem } 201 1.1.2.2 lukem 202 1.1.2.2 lukem /* End of stubs.c */ 203
Indexes created Tue Oct 21 16:10:11 GMT 2025