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Diffstat (limited to 'sys/arch/pegasos/stand/ofdev.c')
-rw-r--r--sys/arch/pegasos/stand/ofdev.c484
1 files changed, 0 insertions, 484 deletions
diff --git a/sys/arch/pegasos/stand/ofdev.c b/sys/arch/pegasos/stand/ofdev.c
deleted file mode 100644
index 73d0c33ef0e..00000000000
--- a/sys/arch/pegasos/stand/ofdev.c
+++ /dev/null
@@ -1,484 +0,0 @@
-/* $OpenBSD: ofdev.c,v 1.2 2003/11/14 20:12:04 drahn Exp $ */
-/* $NetBSD: ofdev.c,v 1.1 1997/04/16 20:29:20 thorpej Exp $ */
-
-/*
- * Copyright (C) 1995, 1996 Wolfgang Solfrank.
- * Copyright (C) 1995, 1996 TooLs GmbH.
- * All rights reserved.
- *
- * 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 TooLs GmbH.
- * 4. The name of TooLs GmbH may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``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 TOOLS GMBH 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.
- */
-/*
- * Device I/O routines using Open Firmware
- */
-#include <sys/param.h>
-#include <sys/disklabel.h>
-#include <netinet/in.h>
-
-#include <lib/libsa/stand.h>
-#include <lib/libsa/ufs.h>
-#include <lib/libsa/cd9660.h>
-#include <lib/libsa/nfs.h>
-#include <offs.h>
-
-#include "ofdev.h"
-
-extern char bootdev[];
-
-static char *
-filename(char *str, char *ppart)
-{
- char *cp, *lp;
- char savec;
- int dhandle;
- char devtype[16];
-
- lp = str;
- devtype[0] = 0;
- *ppart = 0;
- for (cp = str; *cp; lp = cp) {
- /* For each component of the path name... */
- while (*++cp && *cp != '/')
- ;
- savec = *cp;
- *cp = 0;
- /* ...look whether there is a device with this name */
- dhandle = OF_finddevice(str);
- *cp = savec;
- if (dhandle == -1) {
- /*
- * if not, lp is the delimiter between device and path
- */
-
- /* if the last component was a block device... */
- if (!strcmp(devtype, "block")) {
- /* search for arguments */
- for (cp = lp;
- --cp >= str && *cp != '/' && *cp != ':';)
- ;
- if (cp >= str && *cp == ':') {
- /* found arguments */
- for (cp = lp;
- *--cp != ':' && *cp != ',';)
- ;
- if (*++cp >= 'a' &&
- *cp <= 'a' + MAXPARTITIONS)
- *ppart = *cp;
- }
- }
- return lp;
- } else if (OF_getprop(dhandle, "device_type", devtype,
- sizeof devtype) < 0)
- devtype[0] = 0;
- }
- return 0;
-}
-
-static int
-strategy(void *devdata, int rw, daddr_t blk, size_t size, void *buf,
- size_t *rsize)
-{
- struct of_dev *dev = devdata;
- u_quad_t pos;
- int n;
-
- if (rw != F_READ)
- return EPERM;
- if (dev->type != OFDEV_DISK)
- panic("strategy");
-
- pos = (u_quad_t)(blk + dev->partoff) * dev->bsize;
-
- for (;;) {
- if (OF_seek(dev->handle, pos) < 0)
- break;
- n = OF_read(dev->handle, buf, size);
- if (n == -2)
- continue;
- if (n < 0)
- break;
- *rsize = n;
- return 0;
- }
- return EIO;
-}
-
-static int
-devclose(struct open_file *of)
-{
- struct of_dev *op = of->f_devdata;
-
- if (op->type == OFDEV_NET)
- net_close(op);
- if (op->dmabuf)
- OF_call_method("dma-free", op->handle, 2, 0,
- op->dmabuf, MAXPHYS);
-
- OF_close(op->handle);
- op->handle = -1;
-}
-
-static struct devsw devsw[1] = {
- "OpenFirmware",
- strategy,
- (int (*)(struct open_file *, ...))nodev,
- devclose,
- noioctl
-};
-int ndevs = sizeof devsw / sizeof devsw[0];
-
-static struct fs_ops file_system_ufs = {
- ufs_open, ufs_close, ufs_read, ufs_write, ufs_seek, ufs_stat
-};
-static struct fs_ops file_system_cd9660 = {
- cd9660_open, cd9660_close, cd9660_read, cd9660_write, cd9660_seek,
- cd9660_stat
-};
-static struct fs_ops file_system_offs = {
- offs_open, offs_close, offs_read, offs_write, offs_seek, offs_stat
-};
-static struct fs_ops file_system_nfs = {
- nfs_open, nfs_close, nfs_read, nfs_write, nfs_seek, nfs_stat
-};
-
-struct fs_ops file_system[3];
-int nfsys;
-
-static struct of_dev ofdev = {
- -1,
-};
-
-char opened_name[256];
-
-static u_long
-get_long(p)
- const void *p;
-{
- const unsigned char *cp = p;
-
- return cp[0] | (cp[1] << 8) | (cp[2] << 16) | (cp[3] << 24);
-}
-
-int
-read_mac_label(struct of_dev *devp, char *buf, struct disklabel *lp)
-{
- struct part_map_entry *part;
- size_t read;
- int part_cnt;
- int i;
- char *s;
-
- if ((strategy(devp, F_READ, 1, DEV_BSIZE, buf, &read) != 0) ||
- (read != DEV_BSIZE))
- return ERDLAB;
-
- part = (struct part_map_entry *)buf;
-
- /* if first partition is not valid, assume not HFS/DPME partitioned */
- if (part->pmSig != PART_ENTRY_MAGIC)
- return ERDLAB;
-
- part_cnt = part->pmMapBlkCnt;
-
- /* first search for "OpenBSD" partition type
- * standard bsd disklabel lives inside at offset 0
- * otherwise, we should fake a bsd partition
- * with first HFS partition starting at 'i'
- * ? will this cause problems with booting bsd.rd from offs
- */
- for (i = 0; i < part_cnt; i++) {
- /* read the appropriate block */
- if ((strategy(devp, F_READ, 1+i, DEV_BSIZE, buf, &read) != 0)
- || (read != DEV_BSIZE))
- return ERDLAB;
-
- part = (struct part_map_entry *)buf;
- /* toupper the string, in case caps are different... */
- for (s = part->pmPartType; *s; s++)
- if ((*s >= 'a') && (*s <= 'z'))
- *s = (*s - 'a' + 'A');
-
- if (0 == strcmp(part->pmPartType, PART_TYPE_OPENBSD)) {
- /* FOUND OUR PARTITION!!! */
- printf("found OpenBSD DPME partition\n");
- if(strategy(devp, F_READ, part->pmPyPartStart,
- DEV_BSIZE, buf, &read) == 0
- && read == DEV_BSIZE)
- {
- if (!getdisklabel(buf, lp))
- return 0;
-
- /* If we have an OpenBSD region
- * but no valid parition table,
- * we cannot load a kernel from
- * it, punt.
- * should not have more than one
- * OpenBSD of DPME type.
- */
- return ERDLAB;
- }
- }
- }
- return ERDLAB;
-}
-
-/*
- * Search for RDB OpenBSD paritition.
- */
-int
-read_rdb_label(struct of_dev *devp, char *buf, struct disklabel *lp)
-{
- struct rdblock *rdp;
- struct partblock *pbp;
- struct partition *pp;
- size_t read;
- int part_cnt;
- int nextb;
- int rdbpart;
- int i;
- char *s;
-
- for (nextb = 0; nextb < RDB_MAXBLOCKS; nextb++) {
- if ((strategy(devp, F_READ, nextb, DEV_BSIZE, buf, &read)
- != 0) || (read != DEV_BSIZE))
- return ERDLAB;
- rdp = (struct rdblock *)buf;
-
- /* skips checksum */
- if (rdp->id == RDBLOCK_ID)
- break;
- }
- if (nextb == RDB_MAXBLOCKS)
- return ERDLAB;
- for (nextb = rdp->partbhead; nextb != RDBNULL; nextb = pbp->next) {
- if ((strategy(devp, F_READ, nextb, DEV_BSIZE, buf, &read)
- != 0) || (read != DEV_BSIZE))
- return ERDLAB;
- pbp = (struct partblock *)buf;
- if (pbp->id != PARTBLOCK_ID)
- return ERDLAB;
- /* skips checksum */
- if (pbp->e.dostype == DOST_OBSD) {
- rdbpart = pbp->e.lowcyl * pbp->e.secpertrk;
- break;
- }
- }
- if (nextb == RDBNULL)
- return ERDLAB;
-
- printf("found OpenBSD RDB partition\n");
- if(strategy(devp, F_READ, rdbpart, DEV_BSIZE, buf, &read) == 0
- && read == DEV_BSIZE)
- {
- if (!getdisklabel(buf, lp))
- return 0;
-
- /* If we have an OpenBSD region
- * but no valid parition table,
- * we cannot load a kernel from
- * it, punt.
- * should not have more than one
- * RDB of OpenBSD type.
- */
- return ERDLAB;
- }
-
- return ERDLAB;
-}
-
-/*
- * Find a valid disklabel.
- */
-static int
-search_label(struct of_dev *devp, u_long off, char *buf, struct disklabel *lp,
- u_long off0)
-{
- size_t read;
- struct dos_partition *p;
- int i;
- u_long poff;
- static int recursion;
-
- if (strategy(devp, F_READ, off, DEV_BSIZE, buf, &read) ||
- read != DEV_BSIZE)
- return ERDLAB;
-
- if (buf[510] != 0x55 || buf[511] != 0xaa)
- return ERDLAB;
-
- if (recursion++ <= 1)
- off0 += off;
- for (p = (struct dos_partition *)(buf + DOSPARTOFF), i = 4;
- --i >= 0; p++) {
- if (p->dp_typ == DOSPTYP_OPENBSD ||
- p->dp_typ == DOSPTYP_NETBSD) {
- poff = get_long(&p->dp_start) + off0;
- if (strategy(devp, F_READ, poff + LABELSECTOR,
- DEV_BSIZE, buf, &read) == 0
- && read == DEV_BSIZE) {
- if (!getdisklabel(buf, lp)) {
- recursion--;
- return 0;
- }
- }
- if (strategy(devp, F_READ, off, DEV_BSIZE, buf, &read)
- || read != DEV_BSIZE) {
- recursion--;
- return ERDLAB;
- }
- } else if (p->dp_typ == DOSPTYP_EXTEND) {
- poff = get_long(&p->dp_start);
- if (!search_label(devp, poff, buf, lp, off0)) {
- recursion--;
- return 0;
- }
- if (strategy(devp, F_READ, off, DEV_BSIZE, buf, &read)
- || read != DEV_BSIZE) {
- recursion--;
- return ERDLAB;
- }
- }
- }
- recursion--;
- return ERDLAB;
-}
-
-int
-devopen(struct open_file *of, const char *name, char **file)
-{
- char *cp;
- char partition;
- char fname[256];
- char buf[DEV_BSIZE];
- struct disklabel label;
- int handle, part;
- size_t read;
- int error = 0;
-
- if (ofdev.handle != -1)
- panic("devopen");
- if (of->f_flags != F_READ)
- return EPERM;
- strlcpy(fname, name, sizeof fname);
- cp = filename(fname, &partition);
- if (cp) {
- strlcpy(buf, cp, sizeof buf);
- *cp = 0;
- }
- if (!cp || !*buf)
- strlcpy(buf, DEFAULT_KERNEL, sizeof buf);
- if (!*fname)
- strlcpy(fname, bootdev, sizeof fname);
- strlcpy(opened_name, fname, sizeof opened_name);
- if (partition) {
- cp = opened_name + strlen(opened_name);
- *cp++ = ':';
- *cp++ = partition;
- *cp = 0;
- }
- if (*buf != '/')
- strlcat(opened_name, "/", sizeof opened_name);
- strlcat(opened_name, buf, sizeof opened_name);
- *file = opened_name + strlen(fname) + 1;
- if ((handle = OF_finddevice(fname)) == -1)
- return ENOENT;
- if (OF_getprop(handle, "name", buf, sizeof buf) < 0)
- return ENXIO;
- if (OF_getprop(handle, "device_type", buf, sizeof buf) < 0)
- return ENXIO;
- if (!strcmp(buf, "block"))
- /*
- * For block devices, indicate raw partition
- * (:0 in OpenFirmware)
- */
- strlcat(fname, ":0", sizeof fname);
- if ((handle = OF_open(fname)) == -1)
- return ENXIO;
- bzero(&ofdev, sizeof ofdev);
- ofdev.handle = handle;
- ofdev.dmabuf = NULL;
- OF_call_method("dma-alloc", handle, 1, 1, MAXPHYS, &ofdev.dmabuf);
- if (!strcmp(buf, "block")) {
- ofdev.type = OFDEV_DISK;
- ofdev.bsize = DEV_BSIZE;
- /* First try to find a disklabel without MBR partitions */
- if (strategy(&ofdev, F_READ,
- LABELSECTOR, DEV_BSIZE, buf, &read) != 0 ||
- read != DEV_BSIZE ||
- getdisklabel(buf, &label)) {
- /* Else try MBR partitions */
-
- error = read_rdb_label(&ofdev, buf, &label);
- if (error == ERDLAB)
- error = read_mac_label(&ofdev, buf, &label);
-
- if (error == ERDLAB)
- error = search_label(&ofdev, 0, buf, &label, 0);
-
- if (error && error != ERDLAB)
- goto bad;
- }
-
- if (error == ERDLAB) {
- if (partition)
- /*
- * User specified a partition,
- * but there is none
- */
- goto bad;
- /* No label, just use complete disk */
- ofdev.partoff = 0;
- } else {
- part = partition ? partition - 'a' : 0;
- ofdev.partoff = label.d_partitions[part].p_offset;
- }
-
- of->f_dev = devsw;
- of->f_devdata = &ofdev;
- bcopy(&file_system_ufs, file_system, sizeof file_system[0]);
- bcopy(&file_system_cd9660, file_system + 1,
- sizeof file_system[0]);
- bcopy(&file_system_offs, file_system + 2,
- sizeof file_system[0]);
- nfsys = 3;
- return 0;
- }
- if (!strcmp(buf, "network")) {
- ofdev.type = OFDEV_NET;
- of->f_dev = devsw;
- of->f_devdata = &ofdev;
- bcopy(&file_system_nfs, file_system, sizeof file_system[0]);
- nfsys = 1;
- if (error = net_open(&ofdev))
- goto bad;
- return 0;
- }
- error = EFTYPE;
-bad:
- OF_close(handle);
- ofdev.handle = -1;
- return error;
-}
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