1 files changed, 180 insertions, 0 deletions

diff --git a/sys/alpha/include/param.h b/sys/alpha/include/param.h
new file mode 100644
index 000000000000..7509c366f8d1
--- /dev/null
+++ b/sys/alpha/include/param.h
@@ -0,0 +1,180 @@
+/* $Id$ */
+/* From: NetBSD: param.h,v 1.20 1997/09/19 13:52:53 leo Exp */
+
+/*
+ * Copyright (c) 1988 University of Utah.
+ * Copyright (c) 1992, 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 and 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: Utah $Hdr: machparam.h 1.11 89/08/14$
+ *
+ *	@(#)param.h	8.1 (Berkeley) 6/10/93
+ */
+
+/*
+ * Machine dependent constants for the Alpha.
+ */
+#define	_MACHINE	alpha
+#define	MACHINE		"alpha"
+#define	_MACHINE_ARCH	alpha
+#define	MACHINE_ARCH	"alpha"
+#define	MID_MACHINE	MID_ALPHA
+
+#include <machine/alpha_cpu.h>
+#include <machine/cpu.h>
+
+/*
+ * Round p (pointer or byte index) up to a correctly-aligned value for all
+ * data types (int, long, ...).   The result is u_long and must be cast to
+ * any desired pointer type.
+ *
+ * ALIGNED_POINTER is a boolean macro that checks whether an address
+ * is valid to fetch data elements of type t from on this architecture.
+ * This does not reflect the optimal alignment, just the possibility
+ * (within reasonable limits). 
+ *
+ */
+#define	ALIGNBYTES		7
+#define	ALIGN(p)		(((u_long)(p) + ALIGNBYTES) &~ ALIGNBYTES)
+#define ALIGNED_POINTER(p,t)	((((u_long)(p)) & (sizeof(t)-1)) == 0)
+
+#define	NBPG		(1 << ALPHA_PGSHIFT)		/* bytes/page */
+#define	PGOFSET		(NBPG-1)			/* byte off. into pg */
+#define	PGSHIFT		ALPHA_PGSHIFT			/* LOG2(NBPG) */
+#define	NPTEPG		(1 << (PGSHIFT-PTESHIFT))	/* pte's/page */
+
+#define	SEGSHIFT	(PGSHIFT + (PGSHIFT-PTESHIFT))	/* LOG2(NBSEG) */
+#define	NBSEG		(1 << SEGSHIFT)			/* bytes/segment (8M) */
+#define	SEGOFSET	(NBSEG-1)			/* byte off. into seg */
+
+#define	KERNBASE	0xfffffc0000230000	/* start of kernel virtual */
+#define	BTOPKERNBASE	((u_long)KERNBASE >> PGSHIFT)
+
+#define	DEV_BSIZE	512
+#define	DEV_BSHIFT	9		/* log2(DEV_BSIZE) */
+#define	BLKDEV_IOSIZE	2048
+#ifndef	MAXPHYS
+#define	MAXPHYS		(64 * 1024)	/* max raw I/O transfer size */
+#endif
+
+#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)		/* total size of u-area */
+
+#ifndef MSGBUFSIZE
+#define MSGBUFSIZE	NBPG		/* default message buffer size */
+#endif
+
+/*
+ * 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.
+ */
+#define	MSIZE		256		/* size of an mbuf */
+#ifndef MCLSHIFT
+# define	MCLSHIFT	11	/* convert bytes to m_buf clusters */
+					/* 2K cluster can hold Ether frame */
+#endif	/* MCLSHIFT */
+#define	MCLBYTES	(1 << MCLSHIFT)	/* size of a m_buf cluster */
+#define	MCLOFSET	(MCLBYTES - 1)
+#ifndef NMBCLUSTERS
+#ifdef GATEWAY
+#define	NMBCLUSTERS	512		/* map size, max cluster allocation */
+#else
+#define	NMBCLUSTERS	256		/* map size, max cluster allocation */
+#endif
+#endif
+
+/*
+ * Size of kernel malloc arena in CLBYTES-sized logical pages
+ */ 
+#ifndef NKMEMCLUSTERS
+#define	NKMEMCLUSTERS	(4096*1024/CLBYTES)	/* XXX? */
+#endif
+
+/* 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))
+
+/*
+ * Mach derived conversion macros
+ */
+#define	alpha_round_page(x)	((((unsigned long)(x)) + NBPG - 1) & ~(NBPG-1))
+#define	alpha_trunc_page(x)	((unsigned long)(x) & ~(NBPG-1))
+#define	alpha_btop(x)		((unsigned long)(x) >> PGSHIFT)
+#define	alpha_ptob(x)		((unsigned long)(x) << PGSHIFT)
+
+#include <machine/intr.h>
+
+#ifdef _KERNEL
+#ifndef _LOCORE
+
+void	delay __P((unsigned long));
+#define	DELAY(n)	delay(n)
+
+/* XXX THE FOLLOWING PROTOTYPE BELONGS IN INTR.H */
+int spl0 __P((void));					/* drop ipl to zero */
+/* XXX END INTR.H */
+
+/* XXX THE FOLLOWING PROTOTYPE SHOULD BE A BUS.H INTERFACE */
+vm_offset_t alpha_XXX_dmamap __P((vm_offset_t));
+/* XXX END BUS.H */
+
+#endif
+#endif /* !_KERNEL */