initial import of NetBSD tree

1 files changed, 236 insertions, 0 deletions

diff --git a/sys/arch/amiga/include/param.h b/sys/arch/amiga/include/param.h
new file mode 100644
index 00000000000..f7f5b4f6723
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+++ b/sys/arch/amiga/include/param.h
@@ -0,0 +1,236 @@
+/*	$NetBSD: param.h,v 1.25 1995/08/18 15:28:25 chopps Exp $	*/
+
+/*
+ * 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. 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	7.8 (Berkeley) 6/28/91
+ */
+#ifndef _MACHINE_PARAM_H_
+#define _MACHINE_PARAM_H_
+
+/*
+ * Machine dependent constants for amiga
+ */
+#define	MACHINE		"amiga"
+#define MACHINE_ARCH	"m68k"
+#define MID_MACHINE	MID_M68K
+
+/*
+ * 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(int) - 1)
+#define	ALIGN(p)	(((u_int)(p) + (sizeof(int) - 1)) &~ (sizeof(int) - 1))
+
+#define	NBPG		8192		/* bytes/page */
+#define	PGOFSET		(NBPG-1)	/* byte offset into page */
+#define	PGSHIFT		13		/* LOG2(NBPG) */
+#define	NPTEPG		(NBPG/(sizeof(u_int)))
+
+#define NBSEG		((mmutype == MMU_68040) ? 32*NBPG : 2048*NBPG)	/* bytes/segment */
+#define	SEGOFSET	(NBSEG-1)	/* byte offset into segment */
+#define	SEGSHIFT	24		/* LOG2(NBSEG) [68030 value] */
+
+#define	KERNBASE	0x0		/* 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
+#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.
+ */
+#define	MSIZE		128		/* size of an mbuf */
+#define	MCLBYTES	1024
+#define	MCLSHIFT	10
+#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	(3072*1024/CLBYTES)
+#endif
+
+#define MAXPARTITIONS	16
+
+/* 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 amiga_round_seg(x)	((((unsigned)(x)) + NBSEG - 1) & ~(NBSEG-1))
+#define amiga_trunc_seg(x)	((unsigned)(x) & ~(NBSEG-1))
+#define amiga_round_page(x)	((((unsigned)(x)) + NBPG - 1) & ~(NBPG-1))
+#define amiga_trunc_page(x)	((unsigned)(x) & ~(NBPG-1))
+#define amiga_btop(x)		((unsigned)(x) >> PGSHIFT)
+#define amiga_ptob(x)		((unsigned)(x) << PGSHIFT)
+
+/*
+ * spl functions; all are normally done in-line
+ */
+#include <machine/psl.h>
+
+/*
+ * point to the custom.intenar and custom.intenaw respectively.
+ */
+extern volatile unsigned short *amiga_intena_read, *amiga_intena_write;
+
+#if 0
+#define _debug_spl(s) \
+({ \
+        register int _spl_r; \
+\
+        __asm __volatile ("clrl %0; movew sr,%0; movew %1,sr" : \
+                "&=d" (_spl_r) : "di" (s)); \
+	if ((_spl_r&PSL_IPL) > ((s)&PSL_IPL)&&((s)&PSL_IPL)!=PSL_IPL1) \
+		printf ("%s:%d:spl(%d) ==> spl(%d)!!\n",__FILE__,__LINE__, \
+		    ((PSL_IPL&_spl_r)>>8), ((PSL_IPL&(s))>>8)); \
+        _spl_r; \
+})
+#else
+/*
+ * Don't lower IPL below current IPL (unless new IPL is 6)
+ */
+#define _debug_spl(s) \
+({ \
+        register int _spl_r; \
+\
+        __asm __volatile ("clrl %0; movew sr,%0" : \
+                "&=d" (_spl_r)); \
+	if ((((s)&PSL_IPL) >= PSL_IPL6) || (_spl_r&PSL_IPL) < ((s)&PSL_IPL) || ((s)&PSL_IPL) <= PSL_IPL1) \
+		__asm __volatile ("movew %0,sr" : : "di" (s)); \
+        _spl_r; \
+})
+#endif
+
+#define _spl_no_check(s) \
+({ \
+        register int _spl_r; \
+\
+        __asm __volatile ("clrl %0; movew sr,%0; movew %1,sr" : \
+                "&=d" (_spl_r) : "di" (s)); \
+        _spl_r; \
+})
+#if defined (DEBUGXX)		/* No workee */
+#define _spl _debug_spl
+#else
+#define _spl _spl_no_check
+#endif
+
+#define spl0()	_spl(PSL_S|PSL_IPL0)
+#define spl1()	_spl(PSL_S|PSL_IPL1)
+#define spl2()	_spl(PSL_S|PSL_IPL2)
+#define spl3()	_spl(PSL_S|PSL_IPL3)
+#define spl4()	_spl(PSL_S|PSL_IPL4)
+#define spl5()	_spl(PSL_S|PSL_IPL5)
+#define spl6()	_spl(PSL_S|PSL_IPL6)
+#define spl7()	_spl(PSL_S|PSL_IPL7)
+
+#define splnone()	spl0()
+#define splsoftclock()	spl1()
+#define splsoftnet()	spl1()
+#define splbio()	spl3()
+#define splnet()	spl3()
+#define spltty()	spl4()
+#define splimp()	spl4()
+#ifndef LEV6_DEFER
+#define splclock()	spl6()
+#define splstatclock()	spl6()
+#define splvm()		spl6()
+#define splhigh()	spl7()
+#define splsched()	spl7()
+#else
+#define splclock()	spl4()
+#define splstatclock()	spl4()
+#define splvm()		spl4()
+#define splhigh()	spl4()
+#define splsched()	spl4()
+#endif
+
+#define splx(s)         _spl_no_check(s)
+
+#ifdef _KERNEL
+void delay __P((int));
+void DELAY __P((int));
+#endif
+
+#endif /* !_MACHINE_PARAM_H_ */