/* $NetBSD: stubs.c,v 1.4 2001/09/05 17:08:41 matt Exp $ */ /* * Copyright (c) 1994-1998 Mark Brinicombe. * Copyright (c) 1994 Brini. * All rights reserved. * * This code is derived from software written for Brini by Mark Brinicombe * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Mark Brinicombe * for the NetBSD Project. * 4. The name of the company nor the name of the author may be used to * endorse or promote products derived from this software without specific * prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * Routines that are temporary or do not have a home yet. * * Created : 17/09/94 */ #include #include #include #include #include #include #include #include #include #include #include extern dev_t dumpdev; extern BootConfig bootconfig; /* * These variables are needed by /sbin/savecore */ u_long dumpmag = 0x8fca0101; /* magic number */ int dumpsize = 0; /* pages */ long dumplo = 0; /* blocks */ struct pcb dumppcb; /* * This is called by main to set dumplo and dumpsize. * Dumps always skip the first CLBYTES of disk space * in case there might be a disk label stored there. * If there is extra space, put dump at the end to * reduce the chance that swapping trashes it. */ void cpu_dumpconf() { int nblks; /* size of dump area */ int maj; if (dumpdev == NODEV) return; maj = major(dumpdev); if (maj < 0 || maj >= nblkdev) panic("dumpconf: bad dumpdev=0x%x", dumpdev); if (bdevsw[maj].d_psize == NULL) return; nblks = (*bdevsw[maj].d_psize)(dumpdev); if (nblks <= ctod(1)) return; dumpsize = physmem; /* Always skip the first CLBYTES, in case there is a label there. */ if (dumplo < ctod(1)) dumplo = ctod(1); /* Put dump at end of partition, and make it fit. */ if (dumpsize > dtoc(nblks - dumplo)) dumpsize = dtoc(nblks - dumplo); if (dumplo < nblks - ctod(dumpsize)) dumplo = nblks - ctod(dumpsize); } /* This should be moved to machdep.c */ extern pagehook_t page_hook0; /* * Doadump comes here after turning off memory management and * getting on the dump stack, either when called above, or by * the auto-restart code. */ void dumpsys() { daddr_t blkno; int psize; int error; int addr; int block; int len; vaddr_t dumpspace; /* Save registers. */ savectx(&dumppcb); if (dumpdev == NODEV) return; if (dumpsize == 0) { cpu_dumpconf(); if (dumpsize == 0) return; } if (dumplo <= 0) { printf("\ndump to dev %u,%u not possible\n", major(dumpdev), minor(dumpdev)); return; } printf("\ndumping to dev %u,%u offset %ld\n", major(dumpdev), minor(dumpdev), dumplo); blkno = dumplo; dumpspace = page_hook0.va; psize = (*bdevsw[major(dumpdev)].d_psize)(dumpdev); printf("dump "); if (psize == -1) { printf("area unavailable\n"); return; } error = 0; len = 0; for (block = 0; block < bootconfig.dramblocks && error == 0; ++block) { addr = bootconfig.dram[block].address; for (;addr < (bootconfig.dram[block].address + (bootconfig.dram[block].pages * NBPG)); addr += NBPG) { if ((len % (1024*1024)) == 0) printf("%d ", len / (1024*1024)); pmap_map(dumpspace, addr, addr + NBPG, VM_PROT_READ); error = (*bdevsw[major(dumpdev)].d_dump)(dumpdev, blkno, (caddr_t) dumpspace, NBPG); if (error) break; blkno += btodb(NBPG); len += NBPG; } } switch (error) { case ENXIO: printf("device bad\n"); break; case EFAULT: printf("device not ready\n"); break; case EINVAL: printf("area improper\n"); break; case EIO: printf("i/o error\n"); break; case EINTR: printf("aborted from console\n"); break; default: printf("succeeded\n"); break; } printf("\n\n"); delay(1000000); } #ifndef NEWINTR /* This is interrupt / SPL related */ int current_spl_level = _SPL_HIGH; u_int spl_masks[_SPL_LEVELS + 1]; u_int spl_smasks[_SPL_LEVELS]; int safepri = _SPL_0; void set_spl_masks() { int loop; for (loop = 0; loop < _SPL_LEVELS; ++loop) { spl_masks[loop] = 0xffffffff; spl_smasks[loop] = 0; } spl_masks[_SPL_BIO] = irqmasks[IPL_BIO]; spl_masks[_SPL_NET] = irqmasks[IPL_NET]; spl_masks[_SPL_SOFTSERIAL] = irqmasks[IPL_TTY]; spl_masks[_SPL_TTY] = irqmasks[IPL_TTY]; spl_masks[_SPL_IMP] = irqmasks[IPL_IMP]; spl_masks[_SPL_AUDIO] = irqmasks[IPL_AUDIO]; spl_masks[_SPL_CLOCK] = irqmasks[IPL_CLOCK]; spl_masks[_SPL_HIGH] = irqmasks[IPL_HIGH]; spl_masks[_SPL_SERIAL] = irqmasks[IPL_SERIAL]; spl_masks[_SPL_LEVELS] = 0; spl_smasks[_SPL_0] = 0xffffffff; for (loop = 0; loop < _SPL_SOFTSERIAL; ++loop) spl_smasks[loop] |= SOFTIRQ_BIT(SOFTIRQ_SERIAL); for (loop = 0; loop < _SPL_SOFTNET; ++loop) spl_smasks[loop] |= SOFTIRQ_BIT(SOFTIRQ_NET); for (loop = 0; loop < _SPL_SOFTCLOCK; ++loop) spl_smasks[loop] |= SOFTIRQ_BIT(SOFTIRQ_CLOCK); } #ifdef DIAGNOSTIC void dump_spl_masks() { int loop; for (loop = 0; loop < _SPL_LEVELS; ++loop) { printf("spl_mask[%d]=%08x splsmask[%d]=%08x\n", loop, spl_masks[loop], loop, spl_smasks[loop]); } } #endif #endif /* !NEWINTR */ /* End of stubs.c */