Initial commit for OpenBSD/luna88k, based on OpenBSD/mvme88k, NetBSD/luna68k and CMU Mach.

1 files changed, 183 insertions, 0 deletions

diff --git a/sys/arch/luna88k/include/param.h b/sys/arch/luna88k/include/param.h
new file mode 100644
index 00000000000..b4d43f2595b
--- /dev/null
+++ b/sys/arch/luna88k/include/param.h
@@ -0,0 +1,183 @@
+/*	$OpenBSD: param.h,v 1.1 2004/04/21 15:23:57 aoyama Exp $ */
+/*
+ * Copyright (c) 1999 Steve Murphree, Jr.
+ * Copyright (c) 1988 University of Utah.
+ * Copyright (c) 1982, 1986, 1990 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. 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 $Hdr: machparam.h 1.11 89/08/14$
+ *
+ *	@(#)param.h	7.8 (Berkeley) 6/28/91
+ */
+#ifndef _MACHINE_PARAM_H_
+#define _MACHINE_PARAM_H_
+
+#ifdef _KERNEL
+#ifndef _LOCORE
+#include <machine/cpu.h>
+#endif	/* _LOCORE */
+#endif
+
+#define  _MACHINE       luna88k
+#define  MACHINE        "luna88k"
+#define  _MACHINE_ARCH  m88k
+#define  MACHINE_ARCH   "m88k"
+#define  MID_MACHINE    MID_M88K
+
+/*
+ * Round p (pointer or byte index) down to a correctly-aligned value
+ * for all data types (int, long, ...).   The result is u_int and
+ * must be cast to any desired pointer type. ALIGN() is used for
+ * aligning stack, which needs to be on a double word boundary for
+ * 88k.
+ */
+
+#define  ALIGNBYTES		15		/* 64 bit alignment */
+#define  ALIGN(p)		(((u_int)(p) + ALIGNBYTES) & ~ALIGNBYTES)
+#define  ALIGNED_POINTER(p,t)	((((u_long)(p)) & (sizeof(t)-1)) == 0)
+
+#define NBPG		(1 << PGSHIFT)	/* bytes/page */
+#define PGOFSET		(NBPG-1)	/* byte offset into page */
+#define PGSHIFT		12		/* LOG2(NBPG) */
+
+#define	PAGE_SHIFT	12
+#define	PAGE_SIZE	(1 << PAGE_SHIFT)
+#define	PAGE_MASK	(PAGE_SIZE - 1)
+
+#define NPTEPG		(PAGE_SIZE / (sizeof(pt_entry_t)))
+
+/*
+ * The ROM monitor uses the bottom 128KB. The kernel will allocate PTEs to map this
+ * space, but the kernel must be linked with a start address past these 128KB.
+ */
+#define KERNBASE	0x00000000	/* start of kernel virtual */
+#define	KERNTEXTOFF	0x00020000	/* start of kernel text */
+
+#define DEV_BSHIFT	9		/* log2(DEV_BSIZE) */
+#define DEV_BSIZE	(1 << DEV_BSHIFT)
+#define BLKDEV_IOSIZE	2048
+#define MAXPHYS		(64 * 1024)	/* max raw I/O transfer size */
+
+#define SSIZE		1		/* initial stack size/NBPG */
+#define SINCR		1		/* increment of stack/NBPG */
+
+#define UPAGES		3		/* pages of u-area */
+#define USPACE		(UPAGES * NBPG)
+
+#define UADDR		0xeee00000	/* address of u */
+
+/*
+ * Constants related to network buffer management.
+ * MCLBYTES must be no larger than the software page size, and,
+ * on machines that exchange pages of input or output buffers with mbuf
+ * clusters (MAPPED_MBUFS), MCLBYTES must also be an integral multiple
+ * of the hardware page size.
+ */
+#define MSIZE		256		/* size of an mbuf */
+#define MCLSHIFT	11		/* convert bytes to m_buf clusters */
+#define MCLBYTES	(1 << MCLSHIFT)	/* size of a m_buf cluster */
+#define MCLOFSET	(MCLBYTES - 1)	/* offset within a m_buf cluster */
+
+#ifndef NMBCLUSTERS
+#ifdef   GATEWAY
+#define NMBCLUSTERS	1024		/* map size, max cluster allocation */
+#else
+#define NMBCLUSTERS	512		/* map size, max cluster allocation */
+#endif
+#endif
+
+/*
+ * Minimum and maximum sizes of the kernel malloc arena in PAGE_SIZE-sized
+ * logical pages.
+ */
+#define	NKMEMPAGES_MIN_DEFAULT	((4 * 1024 * 1024) >> PAGE_SHIFT)
+#define	NKMEMPAGES_MAX_DEFAULT	((4 * 1024 * 1024) >> PAGE_SHIFT)
+
+#define MSGBUFSIZE	PAGE_SIZE
+
+/* pages ("clicks") to disk blocks */
+#define ctod(x)			((x) << (PGSHIFT - DEV_BSHIFT))
+#define dtoc(x)			((x) >> (PGSHIFT - DEV_BSHIFT))
+
+/* pages to bytes */
+#define ctob(x)			((x) << PGSHIFT)
+#define btoc(x)			(((x) + PGOFSET) >> PGSHIFT)
+
+/* bytes to disk blocks */
+#define btodb(x)		((x) >> DEV_BSHIFT)
+#define dbtob(x)		((x) << DEV_BSHIFT)
+
+/*
+ * Map a ``block device block'' to a file system block.
+ * This should be device dependent, and should use the bsize
+ * field from the disk label.
+ * For now though just use DEV_BSIZE.
+ */
+#define bdbtofsb(bn)		((bn) / (BLKDEV_IOSIZE/DEV_BSIZE))
+
+/*
+ * Get interrupt glue.
+ */
+#include <machine/intr.h>
+
+#ifdef   _KERNEL
+extern void delay(int);
+#define  DELAY(x)             delay(x)
+
+extern int cputyp;
+extern int brdtyp;
+extern int cpumod;
+#endif
+
+/*
+ * Values for the brdtyp variable.
+ */
+#define BRD_187		0x187
+#define BRD_188		0x188
+#define BRD_197		0x197
+#define BRD_8120	0x8120
+
+/*
+ * Values for the cputyp variable.
+ */
+#define CPU_88100	0x100
+#define CPU_88110	0x110
+
+/*
+ * Values for the cpumod variable.
+ */
+#define MOD_LE		0x01
+#define MOD_SP		0x02
+#define MOD_DP		0x03
+
+#endif /* !_MACHINE_PARAM_H_ */
+
+