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[src/trunk]: src/sys/arch/arc/arc Moved from /cvsroot/syssrc/sys/arch/pica/pi...
details: https://anonhg.NetBSD.org/src/rev/c75bb9ecd0fe
branches: trunk
changeset: 481098:c75bb9ecd0fe
user: soda <soda%NetBSD.org@localhost>
date: Sun Jan 23 20:09:05 2000 +0000
description:
Moved from /cvsroot/syssrc/sys/arch/pica/pica/conf.c,v
diffstat:
sys/arch/arc/arc/conf.c | 338 ++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 338 insertions(+), 0 deletions(-)
diffs (truncated from 342 to 300 lines):
diff -r e4682f899e76 -r c75bb9ecd0fe sys/arch/arc/arc/conf.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/arc/arc/conf.c Sun Jan 23 20:09:05 2000 +0000
@@ -0,0 +1,338 @@
+/* $NetBSD: conf.c,v 1.13 2000/01/23 20:09:06 soda Exp $ */
+
+/*
+ * Copyright (c) 1992, 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Ralph Campbell.
+ *
+ * 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 the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS 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.
+ *
+ * from: @(#)conf.c 8.2 (Berkeley) 11/14/93
+ */
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/buf.h>
+#include <sys/ioctl.h>
+#include <sys/proc.h>
+#include <sys/vnode.h>
+#include <sys/tty.h>
+#include <sys/conf.h>
+
+/*
+ * Block devices.
+ */
+
+#include "vnd.h"
+bdev_decl(vnd);
+bdev_decl(sw);
+#include "sd.h"
+bdev_decl(sd);
+#include "cd.h"
+bdev_decl(cd);
+#include "fdc.h"
+#define fdopen Fdopen
+bdev_decl(fd);
+#undef fdopen
+
+struct bdevsw bdevsw[] =
+{
+ bdev_disk_init(NSD,sd), /* 0: SCSI disk */
+ bdev_swap_init(1,sw), /* 1: should be here swap pseudo-dev */
+ bdev_disk_init(NVND,vnd), /* 2: vnode disk driver */
+ bdev_disk_init(NCD,cd), /* 3: SCSI CD-ROM */
+ bdev_notdef(), /* 4: */
+ bdev_notdef(), /* 5: */
+ bdev_notdef(), /* 6: */
+#define fdopen Fdopen
+ bdev_disk_init(NFDC,fd), /* 7: Floppy disk driver */
+#undef fdopen
+ bdev_notdef(), /* 8: */
+ bdev_notdef(), /* 9: */
+ bdev_notdef(), /* 10: */
+ bdev_notdef(), /* 11: */
+ bdev_notdef(), /* 12: */
+ bdev_notdef(), /* 13: */
+ bdev_notdef(), /* 14: */
+ bdev_notdef(), /* 15: */
+};
+
+int nblkdev = sizeof (bdevsw) / sizeof (bdevsw[0]);
+
+/*
+ * Character devices.
+ */
+
+/* open, close, read, write, ioctl, tty, mmap */
+#define cdev_pc_init(c,n) { \
+ dev_init(c,n,open), dev_init(c,n,close), dev_init(c,n,read), \
+ dev_init(c,n,write), dev_init(c,n,ioctl), dev_init(c,n,stop), \
+ dev_init(c,n,tty), ttpoll, dev_init(c,n,mmap), D_TTY }
+
+/* open, close, write, ioctl */
+#define cdev_lpt_init(c,n) { \
+ dev_init(c,n,open), dev_init(c,n,close), (dev_type_read((*))) enodev, \
+ dev_init(c,n,write), dev_init(c,n,ioctl), (dev_type_stop((*))) enodev, \
+ 0, seltrue, (dev_type_mmap((*))) enodev }
+
+/* open, close, write, ioctl */
+#define cdev_spkr_init(c,n) { \
+ dev_init(c,n,open), dev_init(c,n,close), (dev_type_read((*))) enodev, \
+ dev_init(c,n,write), dev_init(c,n,ioctl), (dev_type_stop((*))) enodev, \
+ 0, seltrue, (dev_type_mmap((*))) enodev }
+
+cdev_decl(cn);
+cdev_decl(sw);
+cdev_decl(ctty);
+#define mmread mmrw
+#define mmwrite mmrw
+dev_type_read(mmrw);
+cdev_decl(mm);
+#include "pty.h"
+#define ptstty ptytty
+#define ptsioctl ptyioctl
+cdev_decl(pts);
+#define ptctty ptytty
+#define ptcioctl ptyioctl
+cdev_decl(ptc);
+cdev_decl(log);
+cdev_decl(fd);
+#include "st.h"
+cdev_decl(st);
+#include "fdc.h"
+#define fdopen Fdopen
+bdev_decl(fd);
+#undef fdopen
+cdev_decl(vnd);
+#include "bpfilter.h"
+cdev_decl(bpf);
+#include "pcom.h"
+cdev_decl(com);
+#include "lpt.h"
+cdev_decl(lpt);
+cdev_decl(sd);
+#include "pc.h"
+cdev_decl(pc);
+cdev_decl(pms);
+cdev_decl(cd);
+dev_decl(filedesc,open);
+#include "ipfilter.h"
+#include "rnd.h"
+
+#include "scsibus.h"
+cdev_decl(scsibus);
+
+struct cdevsw cdevsw[] =
+{
+ cdev_cn_init(1,cn), /* 0: virtual console */
+ cdev_swap_init(1,sw), /* 1: /dev/drum (swap pseudo-device) */
+ cdev_ctty_init(1,ctty), /* 2: controlling terminal */
+ cdev_mm_init(1,mm), /* 3: /dev/{null,mem,kmem,...} */
+ cdev_tty_init(NPTY,pts), /* 4: pseudo-tty slave */
+ cdev_ptc_init(NPTY,ptc), /* 5: pseudo-tty master */
+ cdev_log_init(1,log), /* 6: /dev/klog */
+ cdev_fd_init(1,filedesc), /* 7: file descriptor pseudo-dev */
+ cdev_disk_init(NCD,cd), /* 8: SCSI CD */
+ cdev_disk_init(NSD,sd), /* 9: SCSI disk */
+ cdev_tape_init(NST,st), /* 10: SCSI tape */
+ cdev_disk_init(NVND,vnd), /* 11: vnode disk */
+ cdev_bpftun_init(NBPFILTER,bpf),/* 12: berkeley packet filter */
+#define fdopen Fdopen
+ cdev_disk_init(NFDC,fd), /* 13: Floppy disk */
+#undef fdopen
+ cdev_pc_init(1,pc), /* 14: builtin pc style console dev */
+ cdev_mouse_init(1,pms), /* 15: builtin PS2 style mouse */
+ cdev_lpt_init(NLPT,lpt), /* 16: lpt paralell printer interface */
+ cdev_tty_init(NPCOM,com), /* 17: com 16C450 serial interface */
+ cdev_notdef(), /* 18: */
+ cdev_notdef(), /* 19: */
+ cdev_tty_init(NPTY,pts), /* 20: pseudo-tty slave */
+ cdev_ptc_init(NPTY,ptc), /* 21: pseudo-tty master */
+ cdev_notdef(), /* 22: */
+ cdev_notdef(), /* 23: */
+ cdev_notdef(), /* 24: */
+ cdev_notdef(), /* 25: */
+ cdev_notdef(), /* 26: */
+ cdev_notdef(), /* 27: */
+ cdev_notdef(), /* 28: */
+ cdev_notdef(), /* 29: */
+ cdev_notdef(), /* 30: */
+ cdev_ipf_init(NIPFILTER,ipl), /* 31: ip-filter device */
+ cdev_rnd_init(NRND,rnd), /* 32: random source pseudo-device */
+ cdev_scsibus_init(NSCSIBUS,scsibus), /* 33: SCSI bus */
+};
+
+int nchrdev = sizeof (cdevsw) / sizeof (cdevsw[0]);
+
+int mem_no = 2; /* major device number of memory special file */
+
+/*
+ * Swapdev is a fake device implemented
+ * in sw.c used only internally to get to swstrategy.
+ * It cannot be provided to the users, because the
+ * swstrategy routine munches the b_dev and b_blkno entries
+ * before calling the appropriate driver. This would horribly
+ * confuse, e.g. the hashing routines. Instead, /dev/drum is
+ * provided as a character (raw) device.
+ */
+dev_t swapdev = makedev(1, 0);
+
+/*
+ * Routine that identifies /dev/mem and /dev/kmem.
+ *
+ * A minimal stub routine can always return 0.
+ */
+int
+iskmemdev(dev)
+ dev_t dev;
+{
+
+#ifdef COMPAT_BSD44
+ if (major(dev) == 2 && (minor(dev) == 0 || minor(dev) == 1))
+#else
+ if (major(dev) == 3 && (minor(dev) == 0 || minor(dev) == 1))
+#endif
+ return (1);
+ return (0);
+}
+
+/*
+ * Returns true if def is /dev/zero
+ */
+int
+iszerodev(dev)
+ dev_t dev;
+{
+#ifdef COMPAT_BSD44
+ return (major(dev) == 2 && minor(dev) == 12);
+#else
+ return (major(dev) == 3 && minor(dev) == 12);
+#endif
+}
+
+
+#define MAXDEV 57
+static int chrtoblktbl[MAXDEV] = {
+ /* VCHR */ /* VBLK */
+ /* 0 */ NODEV,
+ /* 1 */ NODEV,
+ /* 2 */ NODEV,
+ /* 3 */ NODEV,
+ /* 4 */ NODEV,
+ /* 5 */ NODEV,
+ /* 6 */ NODEV,
+ /* 7 */ NODEV,
+ /* 8 */ NODEV,
+ /* 9 */ 0,
+ /* 10 */ NODEV,
+ /* 11 */ 2,
+ /* 12 */ NODEV,
+ /* 13 */ 7,
+ /* 14 */ NODEV,
+ /* 15 */ NODEV,
+ /* 16 */ NODEV,
+ /* 17 */ NODEV,
+ /* 18 */ NODEV,
+ /* 19 */ NODEV,
+ /* 20 */ NODEV,
+ /* 21 */ NODEV,
+ /* 22 */ NODEV,
+ /* 23 */ NODEV,
+ /* 24 */ NODEV,
+ /* 25 */ NODEV,
+ /* 26 */ NODEV,
+ /* 27 */ NODEV,
+ /* 28 */ NODEV,
+ /* 29 */ NODEV,
+ /* 30 */ NODEV,
+ /* 31 */ NODEV,
+ /* 32 */ NODEV,
+ /* 33 */ NODEV,
+ /* 34 */ NODEV,
+ /* 35 */ NODEV,
+ /* 36 */ NODEV,
+ /* 37 */ NODEV,
+ /* 38 */ NODEV,
+ /* 39 */ NODEV,
+ /* 40 */ NODEV,
+ /* 41 */ NODEV,
+ /* 42 */ NODEV,
+ /* 43 */ NODEV,
+ /* 44 */ NODEV,
+ /* 45 */ NODEV,
+ /* 46 */ NODEV,
+ /* 47 */ NODEV,
+ /* 48 */ NODEV,
+ /* 49 */ NODEV,
+ /* 50 */ NODEV,
+ /* 51 */ NODEV,
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