Gingold's port for kbus Series5 machine. Not fully finished and not very stable

1 files changed, 178 insertions, 0 deletions

diff --git a/sys/arch/kbus/include/param.h b/sys/arch/kbus/include/param.h
new file mode 100644
index 00000000000..45422f41427
--- /dev/null
+++ b/sys/arch/kbus/include/param.h
@@ -0,0 +1,178 @@
+/*	$OpenBSD: param.h,v 1.1 1997/10/14 07:25:31 gingold Exp $	*/
+/*	$NetBSD: param.h,v 1.12 1995/06/26 06:56:05 cgd Exp $	*/
+
+/*-
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * 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.
+ *
+ *	@(#)param.h	5.8 (Berkeley) 6/28/91
+ */
+
+/*
+ * Machine dependent constants for NS 32532.
+ *
+ *   Derived from the i386 param.h by Phil Nelson.
+ *
+ */
+
+#ifndef _MACHINE_PARAM_H_
+#define _MACHINE_PARAM_H_
+
+#ifdef _KERNEL
+#include <machine/cpu.h>
+#endif
+
+#define MACHINE 	"Series5"
+#define _MACHINE 	Series5
+#define MACHINE_ARCH	"sparc"
+#define _MACHINE_ARCH	sparc
+#define MID_MACHINE	MID_SPARC
+
+/*
+ * Round p (pointer or byte index) up 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.
+ */
+#define ALIGNBYTES	(sizeof(double) - 1)
+#define	ALIGN(p)	(((u_int)(p) + ALIGNBYTES) &~ ALIGNBYTES)
+
+#define	PGSHIFT		13		/* LOG2(NBPG) */
+#define NBPG		(1 << PGSHIFT)	/* bytes/page */
+#define	PGOFSET		(NBPG-1)	/* byte offset into page */
+#define	NPTEPG		(NBPG/(sizeof (struct pte)))
+
+#define	SEGSHIFT	24		/* LOG2(NBSEG) */
+#define NBSEG		(1 << SEGSHIFT)	/* bytes/segments.  */
+#define	SEGOFSET	(NBSEG-1)	/* byte offset into segment  */
+
+#define	KERNBASE	0xff000000	/* start of kernel .text seg. */
+#define	BTOPKERNBASE	((u_long)KERNBASE >> PGSHIFT)
+
+#define	DEV_BSIZE	512
+#define	DEV_BSHIFT	9		/* log2(DEV_BSIZE) */
+#define BLKDEV_IOSIZE	4096		/* Was 2048 (pan) */
+#define	MAXPHYS		(64 * 1024)	/* max raw I/O transfer size */
+
+#define	CLSIZE		1
+#define	CLSIZELOG2	0
+
+/* NOTE: SSIZE, SINCR and UPAGES must be multiples of CLSIZE */
+#define	SSIZE	1		/* initial stack size/NBPG */
+#define	SINCR	1		/* increment of stack/NBPG */
+
+#define	UPAGES	2		/* pages of u-area */
+#define USPACE (UPAGES * NBPG)
+
+/*
+ * Constants related to network buffer management.
+ * MCLBYTES must be no larger than CLBYTES (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.
+ */
+#ifndef	MSIZE
+#define	MSIZE		128		/* size of an mbuf */
+#endif	/* MSIZE */
+
+#ifndef	MCLSHIFT
+#define	MCLSHIFT	11		/* convert bytes to m_buf clusters */
+#endif	/* MCLSHIFT */
+#define	MCLBYTES	(1 << MCLSHIFT)	/* size of a m_buf cluster */
+#define	MCLOFSET	(MCLBYTES - 1)	/* offset within a m_buf cluster */
+
+#ifndef NMBCLUSTERS
+#define	NMBCLUSTERS	512		/* map size, max cluster allocation */
+#endif
+
+/*
+ * Size of kernel malloc arena in CLBYTES-sized logical pages
+ */ 
+#ifndef NKMEMCLUSTERS
+#define	NKMEMCLUSTERS	(2048*1024/CLBYTES)
+#endif
+
+/*
+ * Some macros for units conversion
+ */
+
+/* pages ("clicks") to disk blocks */
+#define	ctod(x)		((x) << (PGSHIFT - DEV_BSHIFT))
+#define	dtoc(x)		((x) >> (PGSHIFT - DEV_BSHIFT))
+
+/* clicks 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 will be if we
+ * add an entry to cdevsw/bdevsw for that purpose.
+ * For now though just use DEV_BSIZE.
+ */
+#define	bdbtofsb(bn)	((bn) / (BLKDEV_IOSIZE/DEV_BSIZE))
+
+
+/*
+ * Mach derived conversion macros
+ */
+#define series5_round_pdr(x)	((((unsigned)(x)) + NBPDR - 1) & ~(NBPDR-1))
+#define series5_trunc_pdr(x)	((unsigned)(x) & ~(NBPDR-1))
+#define series5_round_page(x)	((((unsigned)(x)) + NBPG - 1) & ~(NBPG-1))
+#define series5_trunc_page(x)	((unsigned)(x) & ~(NBPG-1))
+#define series5_btod(x)		((unsigned)(x) >> PDRSHIFT)
+#define series5_dtob(x)		((unsigned)(x) << PDRSHIFT)
+#define series5_btop(x)		((unsigned)(x) >> PGSHIFT)
+#define series5_ptob(x)		((unsigned)(x) << PGSHIFT)
+
+#ifndef __ASSEMBLER__
+#ifndef _KERNEL
+#define	DELAY(n)	{ volatile int N = (n); while (--N > 0); }
+#else
+extern void delay __P((unsigned int));
+#define DELAY(n)		delay (n)
+#endif
+
+#if 0
+/* Macros to read and write from absolute addresses.  */
+#define WR_ADR(type,adr,val)	(*((volatile type *)(adr))=(val))
+#define RD_ADR(type,adr)	(*((volatile type *)(adr)))
+#endif
+#endif
+
+#endif