[src/nathanw_sa]: src/sys/arch/sun2/include Now always define PGSHIFT. Thanks...

[fredette <fredette%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/3ca14a10014d
branches:  nathanw_sa
changeset: 504670:3ca14a10014d
user:      fredette <fredette%NetBSD.org@localhost>
date:      Mon May 14 20:35:59 2001 +0000

description:
Now always define PGSHIFT. Thanks to the ELF move, note the new
larger msgbuf size and different KERNBASE.

diffstat:

 sys/arch/sun2/include/param.h |  113 ++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 113 insertions(+), 0 deletions(-)

diffs (117 lines):

diff -r 6cf8295442f0 -r 3ca14a10014d sys/arch/sun2/include/param.h
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/sun2/include/param.h     Mon May 14 20:35:59 2001 +0000
@@ -0,0 +1,113 @@
+/*     $NetBSD: param.h,v 1.3.8.2 2001/05/14 20:35:59 fredette Exp $   */
+
+/*
+ * Copyright (c) 1988 University of Utah.
+ * Copyright (c) 1982, 1986, 1990, 1993
+ *     The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * the Systems Programming Group of the University of Utah Computer
+ * Science Department.
+ *
+ * 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: Utah Hdr: machparam.h 1.16 92/12/20
+ *     from: @(#)param.h       8.1 (Berkeley) 6/10/93
+ */
+
+#ifndef        _MACHINE_PARAM_H_
+#define        _MACHINE_PARAM_H_
+
+/*
+ * Machine dependent constants for the Sun2 series.
+ */
+#define        _MACHINE        sun2
+#define        MACHINE         "sun2"
+#define        _MACHINE_ARCH   m68000
+#define        MACHINE_ARCH    "m68000"
+#define        MID_MACHINE     MID_M680002K
+
+#define PGSHIFT                11              /* LOG2(NBPG) */
+
+#ifdef MSGBUFSIZE
+#error "MSGBUFSIZE is not user-adjustable for this arch"
+#endif
+#define MSGBUFOFF      0x0
+#define MSGBUFSIZE     ((NBPG * 4) - MSGBUFOFF)
+
+/* This is needed by ps (actually USPACE). */
+#define        UPAGES          (16384 / NBPG)          /* pages of u-area */
+
+#if defined(_KERNEL) || defined(_STANDALONE)
+
+#define        KERNBASE        0x00006000      /* start of kernel virtual */
+#define        KERN_END        0x00E00000      /* end of kernel virtual */
+
+#define SEGSHIFT       15              /* LOG2(NBSG) */
+#define NBSG           (1 << SEGSHIFT) /* bytes/segment */
+#define        SEGOFSET        (NBSG-1)        /* byte offset into segment */
+
+#define        MAXBSIZE        0x2000          /* max FS block size */
+
+/*
+ * XXX fredette - we force a small number of mbuf clusters and cluster
+ * size to help me debug this on my low-memory machine.  These should
+ * go away at some point.
+ */
+#define        NMBCLUSTERS     64      /* map size, max cluster allocation */
+#define MCLSHIFT       10
+
+/*
+ * XXX fredette - we must define this, otw UBC consumes 8MB of kernel VM.
+ * For now, we make it absurdly small, perhaps it can grow later.
+ */
+#define        UBC_NWINS       32
+
+#endif /* _KERNEL */
+
+#include <m68k/param.h>
+
+/*
+ * Minimum and maximum sizes of the kernel malloc arena in PAGE_SIZE-sized
+ * logical pages.
+ */
+#define        NKMEMPAGES_MIN_DEFAULT  ((3 * 1024 * 1024) >> PAGE_SHIFT)
+#define        NKMEMPAGES_MAX_DEFAULT  ((3 * 1024 * 1024) >> PAGE_SHIFT)
+
+#if defined(_KERNEL) && !defined(_LOCORE)
+
+/* XXX - Does this really belong here? -gwr */
+#include <machine/psl.h>
+
+extern void _delay __P((unsigned));
+#define delay(us)      _delay((us)<<8)
+#define        DELAY(n)        delay(n)
+
+#endif /* _KERNEL && !_LOCORE */
+#endif /* !_MACHINE_PARAM_H_ */