diff options
Diffstat (limited to 'sys/arch')
| -rw-r--r-- | sys/arch/macppc/include/powerpc.h | 9 | ||||
| -rw-r--r-- | sys/arch/macppc/macppc/autoconf.c | 57 | ||||
| -rw-r--r-- | sys/arch/macppc/macppc/clock.c | 3 | ||||
| -rw-r--r-- | sys/arch/macppc/macppc/machdep.c | 161 | ||||
| -rw-r--r-- | sys/arch/powerpc/include/pmap.h | 3 | ||||
| -rw-r--r-- | sys/arch/powerpc/powerpc/pmap.c | 10 |
6 files changed, 186 insertions, 57 deletions
diff --git a/sys/arch/macppc/include/powerpc.h b/sys/arch/macppc/include/powerpc.h index 4a34f0cd251..64dca7da010 100644 --- a/sys/arch/macppc/include/powerpc.h +++ b/sys/arch/macppc/include/powerpc.h @@ -1,4 +1,4 @@ -/* $OpenBSD: powerpc.h,v 1.6 2002/09/15 09:01:58 deraadt Exp $ */ +/* $OpenBSD: powerpc.h,v 1.7 2005/10/09 14:01:11 drahn Exp $ */ /* $NetBSD: powerpc.h,v 1.1 1996/09/30 16:34:30 ws Exp $ */ /* @@ -82,4 +82,11 @@ void install_extint(void (*handler) (void)); void ppc_intr_enable(int enable); int ppc_intr_disable(void); +struct dumpmem { + vaddr_t start; + vm_size_t end; +}; +extern struct dumpmem dumpmem[VM_PHYSSEG_MAX]; +extern u_int ndumpmem; +extern vaddr_t dumpspace; #endif /* _MACHINE_POWERPC_H_ */ diff --git a/sys/arch/macppc/macppc/autoconf.c b/sys/arch/macppc/macppc/autoconf.c index f6650b37e2f..262565bcecf 100644 --- a/sys/arch/macppc/macppc/autoconf.c +++ b/sys/arch/macppc/macppc/autoconf.c @@ -1,4 +1,4 @@ -/* $OpenBSD: autoconf.c,v 1.16 2005/04/21 00:15:42 deraadt Exp $ */ +/* $OpenBSD: autoconf.c,v 1.17 2005/10/09 14:01:11 drahn Exp $ */ /* * Copyright (c) 1996, 1997 Per Fogelstrom * Copyright (c) 1995 Theo de Raadt @@ -37,7 +37,7 @@ * from: Utah Hdr: autoconf.c 1.31 91/01/21 * * from: @(#)autoconf.c 8.1 (Berkeley) 6/10/93 - * $Id: autoconf.c,v 1.16 2005/04/21 00:15:42 deraadt Exp $ + * $Id: autoconf.c,v 1.17 2005/10/09 14:01:11 drahn Exp $ */ /* @@ -58,11 +58,12 @@ #include <dev/cons.h> #include <uvm/uvm_extern.h> #include <machine/autoconf.h> +#include <machine/powerpc.h> struct device *parsedisk(char *, int, int, dev_t *); void setroot(void); void swapconf(void); -extern void dumpconf(void); +void dumpconf(void); int findblkmajor(struct device *); char *findblkname(int); static struct device * getdisk(char *, int, int, dev_t *); @@ -81,6 +82,9 @@ int cold = 1; /* if 1, still working on cold-start */ char bootdev[16]; /* to hold boot dev name */ struct device *bootdv = NULL; +struct dumpmem dumpmem[VM_PHYSSEG_MAX]; +u_int ndumpmem; + /* * Configure all devices found that we know about. * This is done at boot time. @@ -125,9 +129,7 @@ diskconf() #endif setroot(); swapconf(); -#if 0 dumpconf(); -#endif } /* @@ -149,56 +151,11 @@ swapconf() swp->sw_nblks = ctod(dtoc(swp->sw_nblks)); } } -#if 0 - dumpconf(); -#endif } /* * Crash dump handling. */ -u_long dumpmag = 0x8fca0101; /* magic number */ -int dumpsize = 0; /* size of dump in pages */ -long dumplo = -1; /* blocks */ - -/* - * This is called by configure 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. - */ -#if 0 -void -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 = btoc(IOM_END + ctob(dumpmem_high)); - - /* 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); -} -#endif static struct nam2blk { char *name; diff --git a/sys/arch/macppc/macppc/clock.c b/sys/arch/macppc/macppc/clock.c index c71737311d7..d934478ea54 100644 --- a/sys/arch/macppc/macppc/clock.c +++ b/sys/arch/macppc/macppc/clock.c @@ -1,4 +1,4 @@ -/* $OpenBSD: clock.c,v 1.14 2004/06/28 02:49:10 aaron Exp $ */ +/* $OpenBSD: clock.c,v 1.15 2005/10/09 14:01:11 drahn Exp $ */ /* $NetBSD: clock.c,v 1.1 1996/09/30 16:34:40 ws Exp $ */ /* @@ -40,6 +40,7 @@ #include <machine/autoconf.h> #include <machine/pio.h> #include <machine/intr.h> +#include <machine/vmparam.h> #include <machine/powerpc.h> #include <dev/ofw/openfirm.h> diff --git a/sys/arch/macppc/macppc/machdep.c b/sys/arch/macppc/macppc/machdep.c index 09ccd65f14d..fe1ec99a0bc 100644 --- a/sys/arch/macppc/macppc/machdep.c +++ b/sys/arch/macppc/macppc/machdep.c @@ -1,4 +1,4 @@ -/* $OpenBSD: machdep.c,v 1.74 2005/10/03 04:47:30 drahn Exp $ */ +/* $OpenBSD: machdep.c,v 1.75 2005/10/09 14:01:11 drahn Exp $ */ /* $NetBSD: machdep.c,v 1.4 1996/10/16 19:33:11 ws Exp $ */ /* @@ -48,6 +48,9 @@ #include <sys/extent.h> #include <sys/systm.h> #include <sys/user.h> +#include <sys/conf.h> +#include <sys/core.h> +#include <sys/kcore.h> #include <uvm/uvm_extern.h> @@ -776,10 +779,164 @@ cpu_sysctl(int *name, u_int namelen, void *oldp, size_t *oldlenp, void *newp, } } + +u_long dumpmag = 0x04959fca; /* magic number */ +int dumpsize = 0; /* size of dump in pages */ +long dumplo = -1; /* blocks */ + +/* + * This is called by configure 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 dumpconf(void); +void +dumpconf() +{ + int nblks; /* size of dump area */ + int maj; + int i; + + + 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; + + /* Always skip the first block, in case there is a label there. */ + + if (dumplo < ctod(1)) + dumplo = ctod(1); + + for (i = 0; i < ndumpmem; i++) + dumpsize = max(dumpsize, dumpmem[i].end); + + /* Put dump at end of partition, and make it fit. */ + if (dumpsize > dtoc(nblks - dumplo - 1)) + dumpsize = dtoc(nblks - dumplo - 1); + if (dumplo < nblks - ctod(dumpsize) - 1) + dumplo = nblks - ctod(dumpsize) - 1; + +} + +#define BYTES_PER_DUMP (PAGE_SIZE) /* must be a multiple of pagesize */ +vaddr_t dumpspace; + +int +reserve_dumppages(caddr_t p) +{ + dumpspace = (vaddr_t)p; + return BYTES_PER_DUMP; +} + +/* + * cpu_dump: dump machine-dependent kernel core dump headers. + */ +int cpu_dump(void); +int +cpu_dump() +{ + int (*dump) (dev_t, daddr_t, caddr_t, size_t); + long buf[dbtob(1) / sizeof (long)]; + kcore_seg_t *segp; + + dump = bdevsw[major(dumpdev)].d_dump; + + segp = (kcore_seg_t *)buf; + + /* + * Generate a segment header. + */ + CORE_SETMAGIC(*segp, KCORE_MAGIC, MID_MACHINE, CORE_CPU); + segp->c_size = dbtob(1) - ALIGN(sizeof(*segp)); + + return (dump(dumpdev, dumplo, (caddr_t)buf, dbtob(1))); +} + void dumpsys() { - printf("dumpsys: TBD\n"); +#if 0 + u_int npg; + u_int i, j; + daddr_t blkno; + int (*dump) (dev_t, daddr_t, caddr_t, size_t); + char *str; + int maddr; + extern int msgbufmapped; + int error; + + /* save registers */ + + msgbufmapped = 0; /* don't record dump msgs in msgbuf */ + if (dumpdev == NODEV) + return; + /* + * For dumps during autoconfiguration, + * if dump device has already configured... + */ + if (dumpsize == 0) + dumpconf(); + if (dumplo < 0) + return; + printf("dumping to dev %x, offset %ld\n", dumpdev, dumplo); + + error = (*bdevsw[major(dumpdev)].d_psize)(dumpdev); + if (error == -1) { + printf("area unavailable\n"); + delay (10000000); + return; + } + + dump = bdevsw[major(dumpdev)].d_dump; + error = cpu_dump(); + for (i = 0; !error && i < ndumpmem; i++) { + npg = dumpmem[i].end - dumpmem[i].start; + maddr = ctob(dumpmem[i].start); + blkno = dumplo + btodb(maddr) + 1; + + for (j = npg; j; + j--, maddr += PAGE_SIZE, blkno+= btodb(PAGE_SIZE)) + { + /* Print out how many MBs we have to go. */ + if (dbtob(blkno - dumplo) % (1024 * 1024) < NBPG) + printf("%d ", + (ctob(dumpsize) - maddr) / (1024 * 1024)); + + pmap_enter(pmap_kernel(), dumpspace, maddr, + VM_PROT_READ, PMAP_WIRED); + if ((error = (*dump)(dumpdev, blkno, + (caddr_t)dumpspace, PAGE_SIZE)) != 0) + break; + } + } + + switch (error) { + + case 0: str = "succeeded\n\n"; break; + case ENXIO: str = "device bad\n\n"; break; + case EFAULT: str = "device not ready\n\n"; break; + case EINVAL: str = "area improper\n\n"; break; + case EIO: str = "i/o error\n\n"; break; + case EINTR: str = "aborted from console\n\n"; break; + default: str = "error %d\n\n"; break; + } + printf(str, error); + +#else + printf("dumpsys() - no yet supported\n"); + +#endif + delay(5000000); /* 5 seconds */ + } volatile int cpl, ipending, astpending; diff --git a/sys/arch/powerpc/include/pmap.h b/sys/arch/powerpc/include/pmap.h index 039b320cbbf..dafc5d78490 100644 --- a/sys/arch/powerpc/include/pmap.h +++ b/sys/arch/powerpc/include/pmap.h @@ -1,4 +1,4 @@ -/* $OpenBSD: pmap.h,v 1.39 2005/10/03 02:18:50 drahn Exp $ */ +/* $OpenBSD: pmap.h,v 1.40 2005/10/09 14:01:11 drahn Exp $ */ /* $NetBSD: pmap.h,v 1.1 1996/09/30 16:34:29 ws Exp $ */ /*- @@ -134,6 +134,7 @@ void switchexit(struct proc *); int pte_spill_v(struct pmap *pm, u_int32_t va, u_int32_t dsisr, int exec_fault); #define pmap_copy(dst_pmap, src_pmap, dst_addr, len, src_addr) ; +int reserve_dumppages(caddr_t p); void pmap_proc_iflush(struct proc *proc, vaddr_t va, vsize_t len); #define pmap_unuse_final(p) /* nothing */ diff --git a/sys/arch/powerpc/powerpc/pmap.c b/sys/arch/powerpc/powerpc/pmap.c index 68dcb6eefd5..2e61469ae1b 100644 --- a/sys/arch/powerpc/powerpc/pmap.c +++ b/sys/arch/powerpc/powerpc/pmap.c @@ -1,4 +1,4 @@ -/* $OpenBSD: pmap.c,v 1.92 2005/10/08 06:03:00 drahn Exp $ */ +/* $OpenBSD: pmap.c,v 1.93 2005/10/09 14:01:11 drahn Exp $ */ /* * Copyright (c) 2001, 2002 Dale Rahn. @@ -1319,8 +1319,12 @@ pmap_avail_setup(void) pmap_cnt_avail = 0; physmem = 0; - for (mp = pmap_mem; mp->size !=0; mp++) + ndumpmem = 0; + for (mp = pmap_mem; mp->size !=0; mp++, ndumpmem++) { physmem += btoc(mp->size); + dumpmem[ndumpmem].start = atop(mp->start); + dumpmem[ndumpmem].end = atop(mp->start + mp->size); + } for (mp = pmap_avail; mp->size !=0 ; mp++) { if (physmaxaddr < mp->start + mp->size) @@ -1565,6 +1569,8 @@ pmap_bootstrap(u_int kernelstart, u_int kernelend) ppc_kvm_stolen += PAGE_SIZE; copy_dst_page = VM_MIN_KERNEL_ADDRESS + ppc_kvm_stolen; ppc_kvm_stolen += PAGE_SIZE; + ppc_kvm_stolen += reserve_dumppages( (caddr_t)(VM_MIN_KERNEL_ADDRESS + + ppc_kvm_stolen)); /* |