initial import of NetBSD tree

29 files changed, 1449 insertions, 0 deletions

diff --git a/sys/arch/hp300/include/ansi.h b/sys/arch/hp300/include/ansi.h
new file mode 100644
index 00000000000..7a35c82f58e
--- /dev/null
+++ b/sys/arch/hp300/include/ansi.h
@@ -0,0 +1,4 @@
+/*	$NetBSD: ansi.h,v 1.4 1994/10/26 07:26:16 cgd Exp $	*/
+
+/* Just use the common m68k definition */
+#include <m68k/ansi.h>
diff --git a/sys/arch/hp300/include/asm.h b/sys/arch/hp300/include/asm.h
new file mode 100644
index 00000000000..a933e25f844
--- /dev/null
+++ b/sys/arch/hp300/include/asm.h
@@ -0,0 +1,3 @@
+/*	$NetBSD: asm.h,v 1.2 1994/10/26 07:26:18 cgd Exp $	*/
+
+#include <m68k/asm.h>
diff --git a/sys/arch/hp300/include/cdefs.h b/sys/arch/hp300/include/cdefs.h
new file mode 100644
index 00000000000..3b2ffb44b55
--- /dev/null
+++ b/sys/arch/hp300/include/cdefs.h
@@ -0,0 +1,8 @@
+/*	$NetBSD: cdefs.h,v 1.1 1995/01/19 01:41:56 jtc Exp $	*/
+
+#ifndef _MACHINE_CDEFS_H_
+#define _MACHINE_CDEFS_H_
+
+#include <m68k/cdefs.h>
+
+#endif
diff --git a/sys/arch/hp300/include/cpu.h b/sys/arch/hp300/include/cpu.h
new file mode 100644
index 00000000000..5412512f98b
--- /dev/null
+++ b/sys/arch/hp300/include/cpu.h
@@ -0,0 +1,304 @@
+/*	$NetBSD: cpu.h,v 1.14 1995/06/28 02:55:45 cgd Exp $	*/
+
+/*
+ * Copyright (c) 1988 University of Utah.
+ * Copyright (c) 1982, 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 $Hdr: cpu.h 1.16 91/03/25$
+ *
+ *	@(#)cpu.h	8.4 (Berkeley) 1/5/94
+ */
+
+/*
+ * Exported definitions unique to hp300/68k cpu support.
+ */
+
+/*
+ * definitions of cpu-dependent requirements
+ * referenced in generic code
+ */
+#define	cpu_swapin(p)			/* nothing */
+#define	cpu_wait(p)			/* nothing */
+#define cpu_setstack(p, ap)		(p)->p_md.md_regs[SP] = ap
+#define	cpu_swapout(p)			/* nothing */
+
+/*
+ * Arguments to hardclock and gatherstats encapsulate the previous
+ * machine state in an opaque clockframe.  One the hp300, we use
+ * what the hardware pushes on an interrupt (frame format 0).
+ */
+struct clockframe {
+	u_short	sr;		/* sr at time of interrupt */
+	u_long	pc;		/* pc at time of interrupt */
+	u_short	vo;		/* vector offset (4-word frame) */
+};
+
+#define	CLKF_USERMODE(framep)	(((framep)->sr & PSL_S) == 0)
+#define	CLKF_BASEPRI(framep)	(((framep)->sr & PSL_IPL) == 0)
+#define	CLKF_PC(framep)		((framep)->pc)
+#if 0
+/* We would like to do it this way... */
+#define	CLKF_INTR(framep)	(((framep)->sr & PSL_M) == 0)
+#else
+/* but until we start using PSL_M, we have to do this instead */
+#define	CLKF_INTR(framep)	(0)	/* XXX */
+#endif
+
+
+/*
+ * Preempt the current process if in interrupt from user mode,
+ * or after the current trap/syscall if in system mode.
+ */
+#define	need_resched()	{ want_resched++; aston(); }
+
+/*
+ * Give a profiling tick to the current process when the user profiling
+ * buffer pages are invalid.  On the hp300, request an ast to send us
+ * through trap, marking the proc as needing a profiling tick.
+ */
+#define	need_proftick(p)	{ (p)->p_flag |= P_OWEUPC; aston(); }
+
+/*
+ * Notify the current process (p) that it has a signal pending,
+ * process as soon as possible.
+ */
+#define	signotify(p)	aston()
+
+#define aston() (astpending++)
+
+int	astpending;		/* need to trap before returning to user mode */
+int	want_resched;		/* resched() was called */
+
+
+/*
+ * simulated software interrupt register
+ */
+extern unsigned char ssir;
+
+#define SIR_NET		0x1
+#define SIR_CLOCK	0x2
+
+#define siroff(x)	ssir &= ~(x)
+#define setsoftnet()	ssir |= SIR_NET
+#define setsoftclock()	ssir |= SIR_CLOCK
+
+/*
+ * CTL_MACHDEP definitions.
+ */
+#define	CPU_CONSDEV		1	/* dev_t: console terminal device */
+#define	CPU_MAXID		2	/* number of valid machdep ids */
+
+#define CTL_MACHDEP_NAMES { \
+	{ 0, 0 }, \
+	{ "console_device", CTLTYPE_STRUCT }, \
+}
+
+/*
+ * The rest of this should probably be moved to ../hp300/hp300cpu.h,
+ * although some of it could probably be put into generic 68k headers.
+ */
+
+/* values for machineid */
+#define	HP_320		0	/* 16Mhz 68020+HP MMU+16K external cache */
+#define	HP_330		1	/* 16Mhz 68020+68851 MMU */
+#define	HP_350		2	/* 25Mhz 68020+HP MMU+32K external cache */
+#define	HP_360		3	/* 25Mhz 68030 */
+#define	HP_370		4	/* 33Mhz 68030+64K external cache */
+#define	HP_340		5	/* 16Mhz 68030 */
+#define	HP_375		6	/* 50Mhz 68030+32K external cache */
+#define	HP_380		7	/* 25Mhz 68040 */
+#define HP_433		8	/* 33Mhz 68040 */
+
+/* values for mmutype (assigned for quick testing) */
+#define	MMU_68040	-2	/* 68040 on-chip MMU */
+#define	MMU_68030	-1	/* 68030 on-chip subset of 68851 */
+#define	MMU_HP		0	/* HP proprietary */
+#define	MMU_68851	1	/* Motorola 68851 */
+
+/* values for ectype */
+#define	EC_PHYS		-1	/* external physical address cache */
+#define	EC_NONE		0	/* no external cache */
+#define	EC_VIRT		1	/* external virtual address cache */
+
+/* values for cpuspeed (not really related to clock speed due to caches) */
+#define	MHZ_8		1
+#define	MHZ_16		2
+#define	MHZ_25		3
+#define	MHZ_33		4
+#define	MHZ_50		6
+
+#ifdef _KERNEL
+extern	int machineid, mmutype, ectype;
+extern	char *intiobase, *intiolimit;
+
+/* what is this supposed to do? i.e. how is it different than startrtclock? */
+#define	enablertclock()
+
+#endif
+
+/* physical memory sections */
+#define	ROMBASE		(0x00000000)
+#define	INTIOBASE	(0x00400000)
+#define	INTIOTOP	(0x00600000)
+#define	EXTIOBASE	(0x00600000)
+#define	EXTIOTOP	(0x20000000)
+#define	MAXADDR		(0xFFFFF000)
+
+/*
+ * Internal IO space:
+ *
+ * Ranges from 0x400000 to 0x600000 (IIOMAPSIZE).
+ *
+ * Internal IO space is mapped in the kernel from ``intiobase'' to
+ * ``intiolimit'' (defined in locore.s).  Since it is always mapped,
+ * conversion between physical and kernel virtual addresses is easy.
+ */
+#define	ISIIOVA(va) \
+	((char *)(va) >= intiobase && (char *)(va) < intiolimit)
+#define	IIOV(pa)	((int)(pa)-INTIOBASE+(int)intiobase)
+#define	IIOP(va)	((int)(va)-(int)intiobase+INTIOBASE)
+#define	IIOPOFF(pa)	((int)(pa)-INTIOBASE)
+#define	IIOMAPSIZE	btoc(INTIOTOP-INTIOBASE)	/* 2mb */
+
+/*
+ * External IO space:
+ *
+ * DIO ranges from select codes 0-63 at physical addresses given by:
+ *	0x600000 + (sc - 32) * 0x10000
+ * DIO cards are addressed in the range 0-31 [0x600000-0x800000) for
+ * their control space and the remaining areas, [0x200000-0x400000) and
+ * [0x800000-0x1000000), are for additional space required by a card;
+ * e.g. a display framebuffer.
+ *
+ * DIO-II ranges from select codes 132-255 at physical addresses given by:
+ *	0x1000000 + (sc - 132) * 0x400000
+ * The address range of DIO-II space is thus [0x1000000-0x20000000).
+ *
+ * DIO/DIO-II space is too large to map in its entirety, instead devices
+ * are mapped into kernel virtual address space allocated from a range
+ * of EIOMAPSIZE pages (vmparam.h) starting at ``extiobase''.
+ */
+#define	DIOBASE		(0x600000)
+#define	DIOTOP		(0x1000000)
+#define	DIOCSIZE	(0x10000)
+#define	DIOIIBASE	(0x01000000)
+#define	DIOIITOP	(0x20000000)
+#define	DIOIICSIZE	(0x00400000)
+
+/*
+ * HP MMU
+ */
+#define	MMUBASE		IIOPOFF(0x5F4000)
+#define	MMUSSTP		0x0
+#define	MMUUSTP		0x4
+#define	MMUTBINVAL	0x8
+#define	MMUSTAT		0xC
+#define	MMUCMD		MMUSTAT
+
+#define	MMU_UMEN	0x0001	/* enable user mapping */
+#define	MMU_SMEN	0x0002	/* enable supervisor mapping */
+#define	MMU_CEN		0x0004	/* enable data cache */
+#define	MMU_BERR	0x0008	/* bus error */
+#define	MMU_IEN		0x0020	/* enable instruction cache */
+#define	MMU_FPE		0x0040	/* enable 68881 FP coprocessor */
+#define	MMU_WPF		0x2000	/* write protect fault */
+#define	MMU_PF		0x4000	/* page fault */
+#define	MMU_PTF		0x8000	/* page table fault */
+
+#define	MMU_FAULT	(MMU_PTF|MMU_PF|MMU_WPF|MMU_BERR)
+#define	MMU_ENAB	(MMU_UMEN|MMU_SMEN|MMU_IEN|MMU_FPE)
+
+/*
+ * 68851 and 68030 MMU
+ */
+#define	PMMU_LVLMASK	0x0007
+#define	PMMU_INV	0x0400
+#define	PMMU_WP		0x0800
+#define	PMMU_ALV	0x1000
+#define	PMMU_SO		0x2000
+#define	PMMU_LV		0x4000
+#define	PMMU_BE		0x8000
+#define	PMMU_FAULT	(PMMU_WP|PMMU_INV)
+
+/*
+ * 68040 MMU
+ */
+#define	MMU4_RES	0x001
+#define	MMU4_TTR	0x002
+#define	MMU4_WP		0x004
+#define	MMU4_MOD	0x010
+#define	MMU4_CMMASK	0x060
+#define	MMU4_SUP	0x080
+#define	MMU4_U0		0x100
+#define	MMU4_U1		0x200
+#define	MMU4_GLB	0x400
+#define	MMU4_BE		0x800
+
+/* 680X0 function codes */
+#define	FC_USERD	1	/* user data space */
+#define	FC_USERP	2	/* user program space */
+#define	FC_PURGE	3	/* HPMMU: clear TLB entries */
+#define	FC_SUPERD	5	/* supervisor data space */
+#define	FC_SUPERP	6	/* supervisor program space */
+#define	FC_CPU		7	/* CPU space */
+
+/* fields in the 68020 cache control register */
+#define	IC_ENABLE	0x0001	/* enable instruction cache */
+#define	IC_FREEZE	0x0002	/* freeze instruction cache */
+#define	IC_CE		0x0004	/* clear instruction cache entry */
+#define	IC_CLR		0x0008	/* clear entire instruction cache */
+
+/* additional fields in the 68030 cache control register */
+#define	IC_BE		0x0010	/* instruction burst enable */
+#define	DC_ENABLE	0x0100	/* data cache enable */
+#define	DC_FREEZE	0x0200	/* data cache freeze */
+#define	DC_CE		0x0400	/* clear data cache entry */
+#define	DC_CLR		0x0800	/* clear entire data cache */
+#define	DC_BE		0x1000	/* data burst enable */
+#define	DC_WA		0x2000	/* write allocate */
+
+#define	CACHE_ON	(DC_WA|DC_BE|DC_CLR|DC_ENABLE|IC_BE|IC_CLR|IC_ENABLE)
+#define	CACHE_OFF	(DC_CLR|IC_CLR)
+#define	CACHE_CLR	(CACHE_ON)
+#define	IC_CLEAR	(DC_WA|DC_BE|DC_ENABLE|IC_BE|IC_CLR|IC_ENABLE)
+#define	DC_CLEAR	(DC_WA|DC_BE|DC_CLR|DC_ENABLE|IC_BE|IC_ENABLE)
+
+/* 68040 cache control register */
+#define	IC4_ENABLE	0x8000		/* instruction cache enable bit */
+#define	DC4_ENABLE	0x80000000	/* data cache enable bit */
+
+#define	CACHE4_ON	(IC4_ENABLE|DC4_ENABLE)
+#define	CACHE4_OFF	(0)
diff --git a/sys/arch/hp300/include/db_machdep.h b/sys/arch/hp300/include/db_machdep.h
new file mode 100644
index 00000000000..856c91dd32b
--- /dev/null
+++ b/sys/arch/hp300/include/db_machdep.h
@@ -0,0 +1,4 @@
+/*	$NetBSD: db_machdep.h,v 1.2 1994/10/26 07:26:21 cgd Exp $	*/
+
+/* Just use the common m68k definition */
+#include <m68k/db_machdep.h>
diff --git a/sys/arch/hp300/include/disklabel.h b/sys/arch/hp300/include/disklabel.h
new file mode 100644
index 00000000000..8e008d95c3e
--- /dev/null
+++ b/sys/arch/hp300/include/disklabel.h
@@ -0,0 +1,46 @@
+/*	$NetBSD: disklabel.h,v 1.1 1994/10/14 18:26:39 cgd Exp $	*/
+
+/*
+ * Copyright (c) 1994 Christopher G. Demetriou
+ * All rights reserved.
+ *
+ * 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 Christopher G. Demetriou.
+ * 4. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
+ */
+
+#ifndef _MACHINE_DISKLABEL_H_
+#define _MACHINE_DISKLABEL_H_
+
+#define	LABELSECTOR	(1024 / DEV_BSIZE)	/* sector containing label */
+#define	LABELOFFSET	0			/* offset of label in sector */
+#define	MAXPARTITIONS	8			/* number of partitions */
+#define	RAW_PART	2			/* raw partition: xx?c */
+
+/* Just a dummy */
+struct cpu_disklabel {
+	int	cd_dummy;			/* must have one element. */
+};
+
+#endif /* _MACHINE_DISKLABEL_H_ */
diff --git a/sys/arch/hp300/include/endian.h b/sys/arch/hp300/include/endian.h
new file mode 100644
index 00000000000..3e9a6036445
--- /dev/null
+++ b/sys/arch/hp300/include/endian.h
@@ -0,0 +1,4 @@
+/*	$NetBSD: endian.h,v 1.6 1994/10/26 07:26:22 cgd Exp $	*/
+
+/* Just use the common m68k definition */
+#include <m68k/endian.h>
diff --git a/sys/arch/hp300/include/exec.h b/sys/arch/hp300/include/exec.h
new file mode 100644
index 00000000000..9559df95c95
--- /dev/null
+++ b/sys/arch/hp300/include/exec.h
@@ -0,0 +1,78 @@
+/*	$NetBSD: exec.h,v 1.9 1995/03/28 18:16:33 jtc Exp $	*/
+
+/*
+ * Copyright (c) 1993 Christopher G. Demetriou
+ * All rights reserved.
+ *
+ * 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. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
+ */
+
+#ifndef _HP300_EXEC_H_
+#define _HP300_EXEC_H_
+
+#ifdef _KERNEL
+
+#ifdef COMPAT_HPUX
+#include "user.h"			/* for pcb */
+#include "hp300/hpux/hpux_exec.h"
+#endif
+
+/*
+ * the following, if defined, prepares a set of vmspace commands for
+ * a given exectable package defined by epp.
+ * The standard executable formats are taken care of automatically;
+ * machine-specific ones can be defined using this function.
+ */
+int cpu_exec_makecmds __P((struct proc *p, struct exec_package *epp));
+
+/*
+ * the following function/macro checks to see if a given machine
+ * type (a_mid) field is valid for this architecture
+ * a non-zero return value indicates that the machine type is correct.
+ */
+#ifdef COMPAT_HPUX
+#define cpu_exec_checkmid(mid) ((mid == MID_HP200) || (mid == MID_HP300) || \
+				(mid == MID_HPUX))
+#else
+#define cpu_exec_checkmid(mid) ((mid == MID_HP200) || (mid == MID_HP300)))
+#endif
+
+#endif /* _KERNEL */
+
+#define __LDPGSZ	4096
+
+/* Relocation format. */
+struct relocation_info_hp300 {
+	int r_address;			/* offset in text or data segment */
+	unsigned int r_symbolnum : 24,	/* ordinal number of add symbol */
+			 r_pcrel :  1,	/* 1 if value should be pc-relative */
+			r_length :  2,	/* log base 2 of value's width */
+			r_extern :  1,	/* 1 if need to add symbol to value */
+		       r_baserel :  1,	/* linkage table relative */
+		      r_jmptable :  1,	/* relocate to jump table */
+		      r_relative :  1,	/* load address relative */
+			  r_copy :  1;	/* run time copy */
+};
+#define relocation_info	relocation_info_hp300
+
+#endif  /* _HP300_EXEC_H_ */
diff --git a/sys/arch/hp300/include/float.h b/sys/arch/hp300/include/float.h
new file mode 100644
index 00000000000..c9f45e98615
--- /dev/null
+++ b/sys/arch/hp300/include/float.h
@@ -0,0 +1,8 @@
+/*	$NetBSD: float.h,v 1.7 1995/06/20 20:45:34 jtc Exp $	*/
+
+#ifndef _MACHINE_FLOAT_H_
+#define _MACHINE_FLOAT_H_
+
+#include <m68k/float.h>
+
+#endif
diff --git a/sys/arch/hp300/include/frame.h b/sys/arch/hp300/include/frame.h
new file mode 100644
index 00000000000..cc15f6df635
--- /dev/null
+++ b/sys/arch/hp300/include/frame.h
@@ -0,0 +1,3 @@
+/*	$NetBSD: frame.h,v 1.6 1994/10/26 07:26:26 cgd Exp $	*/
+
+#include <m68k/frame.h>
diff --git a/sys/arch/hp300/include/ieeefp.h b/sys/arch/hp300/include/ieeefp.h
new file mode 100644
index 00000000000..8d6941e81b5
--- /dev/null
+++ b/sys/arch/hp300/include/ieeefp.h
@@ -0,0 +1,4 @@
+/*	$NetBSD: ieeefp.h,v 1.2 1995/04/16 16:47:08 jtc Exp $	*/
+
+/* Just use the common m68k definition */
+#include <m68k/ieeefp.h>
diff --git a/sys/arch/hp300/include/limits.h b/sys/arch/hp300/include/limits.h
new file mode 100644
index 00000000000..b05789b6024
--- /dev/null
+++ b/sys/arch/hp300/include/limits.h
@@ -0,0 +1,4 @@
+/*	$NetBSD: limits.h,v 1.7 1994/10/26 07:26:27 cgd Exp $	*/
+
+/* Just use the common m68k definition */
+#include <m68k/limits.h>
diff --git a/sys/arch/hp300/include/mtpr.h b/sys/arch/hp300/include/mtpr.h
new file mode 100644
index 00000000000..b18f2a508a6
--- /dev/null
+++ b/sys/arch/hp300/include/mtpr.h
@@ -0,0 +1,56 @@
+/*	$NetBSD: mtpr.h,v 1.4 1994/10/26 07:26:29 cgd Exp $	*/
+
+/*
+ * Copyright (c) 1988 University of Utah.
+ * Copyright (c) 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: mtpr.h 1.1 90/07/09
+ *
+ *	@(#)mtpr.h	7.2 (Berkeley) 11/3/90
+ */
+
+/*
+ * simulated software interrupt register
+ */
+
+extern unsigned char ssir;
+
+#define SIR_NET		0x1
+#define SIR_CLOCK	0x2
+
+#define siroff(x)	ssir &= ~(x)
+#define setsoftnet()	ssir |= SIR_NET
+#define setsoftclock()	ssir |= SIR_CLOCK
diff --git a/sys/arch/hp300/include/param.h b/sys/arch/hp300/include/param.h
new file mode 100644
index 00000000000..7106a3408b1
--- /dev/null
+++ b/sys/arch/hp300/include/param.h
@@ -0,0 +1,198 @@
+/*	$NetBSD: param.h,v 1.23 1995/08/13 00:22:40 mycroft 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 $Hdr: machparam.h 1.16 92/12/20$
+ *
+ *	@(#)param.h	8.1 (Berkeley) 6/10/93
+ */
+
+/*
+ * Machine dependent constants for HP9000 series 300.
+ */
+#define	MACHINE		"hp300"
+#define	MACHINE_ARCH	"m68k"
+#define	MID_MACHINE	MID_M68K4K
+
+/*
+ * 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) + ALIGNBYTES) &~ ALIGNBYTES)
+
+#define	PGSHIFT		12		/* LOG2(NBPG) */
+#define	NBPG		(1 << PGSHIFT)	/* bytes/page */
+#define	PGOFSET		(NBPG-1)	/* byte offset into page */
+#define	NPTEPG		(NBPG/(sizeof (pt_entry_t)))
+
+#define	SEGSHIFT	22		/* LOG2(NBSEG) */
+#define NBSEG		(1 << SEGSHIFT)	/* bytes/segment */
+#define	SEGOFSET	(NBSEG-1)	/* byte offset into segment */
+
+#define	KERNBASE	0x00000000	/* start of kernel virtual */
+#define	BTOPKERNBASE	((u_long)KERNBASE >> PGSHIFT)
+
+#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	CLSIZELOG2	0
+#define	CLSIZE		(1 << CLSIZELOG2)
+
+/* 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 */
+
+/*
+ * 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	MCLSHIFT	11
+#define	MCLBYTES	(1 << MCLSHIFT)	/* large enough for ether MTU */
+#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	(2048 * 1024 / CLBYTES)
+#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	dbtob(x)	((x) << DEV_BSHIFT)
+#define	btodb(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 hp300_round_page(x)	((((unsigned)(x)) + PGOFSET) & ~PGOFSET)
+#define hp300_trunc_page(x)	((unsigned)(x) & ~PGOFSET)
+#define hp300_btop(x)		((unsigned)(x) >> PGSHIFT)
+#define hp300_ptob(x)		((unsigned)(x) << PGSHIFT)
+
+/*
+ * spl functions; all but spl0 are done in-line
+ */
+#include <machine/psl.h>
+
+#define _spl(s) \
+({ \
+        register int _spl_r; \
+\
+        __asm __volatile ("clrl %0; movew sr,%0; movew %1,sr" : \
+                "&=d" (_spl_r) : "di" (s)); \
+        _spl_r; \
+})
+
+/* spl0 requires checking for software interrupts */
+#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 splsoftclock()	spl1()
+#define splsoftnet()	spl1()
+#define splbio()	spl5()
+#define splnet()	spl5()
+#define spltty()	spl5()
+#define splimp()	spl5()
+#define splclock()	spl6()
+#define splstatclock()	spl6()
+#define splvm()		spl6()
+#define splhigh()	spl7()
+#define splsched()	spl7()
+
+/* watch out for side effects */
+#define splx(s)         (s & PSL_IPL ? _spl(s) : spl0())
+
+#ifdef _KERNEL
+#ifndef LOCORE
+int	cpuspeed;
+#define	DELAY(n)	{ register int N = cpuspeed * (n); while (--N > 0); }
+#endif
+#endif
+
+#ifdef COMPAT_HPUX
+/*
+ * Constants/macros for HPUX multiple mapping of user address space.
+ * Pages in the first 256Mb are mapped in at every 256Mb segment.
+ */
+#define HPMMMASK	0xF0000000
+#define ISHPMMADDR(v) \
+	((curproc->p_md.md_flags & MDP_HPUXMMAP) && \
+	 ((unsigned)(v) & HPMMMASK) && \
+	 ((unsigned)(v) & HPMMMASK) != HPMMMASK)
+#define HPMMBASEADDR(v) \
+	((unsigned)(v) & ~HPMMMASK)
+#endif
diff --git a/sys/arch/hp300/include/pcb.h b/sys/arch/hp300/include/pcb.h
new file mode 100644
index 00000000000..796cca53790
--- /dev/null
+++ b/sys/arch/hp300/include/pcb.h
@@ -0,0 +1,67 @@
+/*	$NetBSD: pcb.h,v 1.8 1995/05/12 12:55:17 mycroft 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 $Hdr: pcb.h 1.14 91/03/25$
+ *
+ *	@(#)pcb.h	8.1 (Berkeley) 6/10/93
+ */
+
+#include <machine/frame.h>
+
+/*
+ * HP300 process control block
+ */
+struct pcb {
+	short	pcb_flags;	/* misc. process flags */
+	short	pcb_ps; 	/* processor status word */
+	int	pcb_ustp;	/* user segment table pointer */
+	int	pcb_usp;	/* user stack pointer */
+	int	pcb_regs[12];	/* D2-D7, A2-A7 */
+	caddr_t	pcb_onfault;	/* for copyin/out faults */
+	struct	fpframe pcb_fpregs; /* 68881/2 context save area */
+};
+
+/*
+ * The pcb is augmented with machine-dependent additional data for
+ * core dumps. For the hp300, this includes an HP-UX exec header
+ * which is dumped for HP-UX processes.
+ */
+struct md_coredump {
+	int	md_exec[16];	/* exec structure for HP-UX core dumps */
+};
diff --git a/sys/arch/hp300/include/pmap.h b/sys/arch/hp300/include/pmap.h
new file mode 100644
index 00000000000..073d68743bb
--- /dev/null
+++ b/sys/arch/hp300/include/pmap.h
@@ -0,0 +1,161 @@
+/*	$NetBSD: pmap.h,v 1.9 1995/05/11 16:53:03 jtc Exp $	*/
+
+/* 
+ * Copyright (c) 1987 Carnegie-Mellon University
+ * Copyright (c) 1991, 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.
+ *
+ *	@(#)pmap.h	8.1 (Berkeley) 6/10/93
+ */
+
+#ifndef	_HP300_PMAP_H_
+#define	_HP300_PMAP_H_
+
+#include <machine/pte.h>
+
+#if defined(HP380)
+#define HP_SEG_SIZE	(mmutype == MMU_68040 ? 0x40000 : NBSEG)
+#else
+#define HP_SEG_SIZE	NBSEG
+#endif
+
+#define hp300_trunc_seg(x)	(((unsigned)(x)) & ~(HP_SEG_SIZE-1))
+#define hp300_round_seg(x)	hp300_trunc_seg((unsigned)(x) + HP_SEG_SIZE-1)
+
+/*
+ * Pmap stuff
+ */
+struct pmap {
+	pt_entry_t		*pm_ptab;	/* KVA of page table */
+	st_entry_t		*pm_stab;	/* KVA of segment table */
+	int			pm_stchanged;	/* ST changed */
+	int			pm_stfree;	/* 040: free lev2 blocks */
+	st_entry_t		*pm_stpa;	/* 040: ST phys addr */
+	short			pm_sref;	/* segment table ref count */
+	short			pm_count;	/* pmap reference count */
+	simple_lock_data_t	pm_lock;	/* lock on pmap */
+	struct pmap_statistics	pm_stats;	/* pmap statistics */
+	long			pm_ptpages;	/* more stats: PT pages */
+};
+
+typedef struct pmap	*pmap_t;
+
+/*
+ * On the 040 we keep track of which level 2 blocks are already in use
+ * with the pm_stfree mask.  Bits are arranged from LSB (block 0) to MSB
+ * (block 31).  For convenience, the level 1 table is considered to be
+ * block 0.
+ *
+ * MAX[KU]L2SIZE control how many pages of level 2 descriptors are allowed.
+ * for the kernel and users.  8 implies only the initial "segment table"
+ * page is used.  WARNING: don't change MAXUL2SIZE unless you can allocate
+ * physically contiguous pages for the ST in pmap.c!
+ */
+#define	MAXKL2SIZE	32
+#define MAXUL2SIZE	8
+#define l2tobm(n)	(1 << (n))
+#define	bmtol2(n)	(ffs(n) - 1)
+
+/*
+ * Macros for speed
+ */
+#define PMAP_ACTIVATE(pmapp, pcbp, iscurproc) \
+	if ((pmapp)->pm_stchanged) { \
+		(pcbp)->pcb_ustp = hp300_btop((vm_offset_t)(pmapp)->pm_stpa); \
+		if (iscurproc) \
+			loadustp((pcbp)->pcb_ustp); \
+		(pmapp)->pm_stchanged = FALSE; \
+	}
+#define PMAP_DEACTIVATE(pmapp, pcbp)
+
+/*
+ * For each vm_page_t, there is a list of all currently valid virtual
+ * mappings of that page.  An entry is a pv_entry, the list is pv_table.
+ */
+struct pv_entry {
+	struct pv_entry	*pv_next;	/* next pv_entry */
+	struct pmap	*pv_pmap;	/* pmap where mapping lies */
+	vm_offset_t	pv_va;		/* virtual address for mapping */
+	st_entry_t	*pv_ptste;	/* non-zero if VA maps a PT page */
+	struct pmap	*pv_ptpmap;	/* if pv_ptste, pmap for PT page */
+	int		pv_flags;	/* flags */
+};
+
+#define	PV_CI		0x01	/* header: all entries are cache inhibited */
+#define PV_PTPAGE	0x02	/* header: entry maps a page table page */
+
+struct pv_page;
+
+struct pv_page_info {
+	TAILQ_ENTRY(pv_page) pgi_list;
+	struct pv_entry *pgi_freelist;
+	int pgi_nfree;
+};
+
+/*
+ * This is basically:
+ * ((NBPG - sizeof(struct pv_page_info)) / sizeof(struct pv_entry))
+ */
+#define	NPVPPG	170
+
+struct pv_page {
+	struct pv_page_info pvp_pgi;
+	struct pv_entry pvp_pv[NPVPPG];
+};
+
+#ifdef	_KERNEL
+#if defined(HP320) || defined(HP350)
+#define	HAVEVAC				/* include cheezy VAC support */
+#endif
+
+extern struct pmap	kernel_pmap_store;
+
+#define pmap_kernel()	(&kernel_pmap_store)
+#define	active_pmap(pm) \
+	((pm) == pmap_kernel() || (pm) == curproc->p_vmspace->vm_map.pmap)
+
+extern struct pv_entry	*pv_table;	/* array of entries, one per page */
+
+#define pmap_page_index(pa)		atop(pa - vm_first_phys)
+#define pa_to_pvh(pa)			(&pv_table[pmap_page_index(pa)])
+
+#define	pmap_resident_count(pmap)	((pmap)->pm_stats.resident_count)
+#define	pmap_wired_count(pmap)		((pmap)->pm_stats.wired_count)
+
+extern pt_entry_t	*Sysmap;
+extern char		*vmmap;		/* map for mem, dumps, etc. */
+#endif /* _KERNEL */
+
+#endif /* !_HP300_PMAP_H_ */
diff --git a/sys/arch/hp300/include/proc.h b/sys/arch/hp300/include/proc.h
new file mode 100644
index 00000000000..5eb1cad8d9c
--- /dev/null
+++ b/sys/arch/hp300/include/proc.h
@@ -0,0 +1,50 @@
+/*	$NetBSD: proc.h,v 1.6 1994/10/26 07:26:35 cgd Exp $	*/
+
+/*
+ * Copyright (c) 1991, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * 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.
+ *
+ *	@(#)proc.h	8.1 (Berkeley) 6/10/93
+ */
+
+/*
+ * Machine-dependent part of the proc structure for hp300.
+ */
+struct mdproc {
+	int	*md_regs;		/* registers on current frame */
+	int	md_flags;		/* machine-dependent flags */
+};
+
+/* md_flags */
+#define	MDP_HPUXTRACE	0x0004	/* being traced by HP-UX process */
+#define	MDP_HPUXMMAP	0x0008	/* VA space is multiply mapped */
+#define MDP_CCBDATA	0x0010	/* copyback caching of data (68040) */
+#define MDP_CCBSTACK	0x0020	/* copyback caching of stack (68040) */
diff --git a/sys/arch/hp300/include/profile.h b/sys/arch/hp300/include/profile.h
new file mode 100644
index 00000000000..82294239a1b
--- /dev/null
+++ b/sys/arch/hp300/include/profile.h
@@ -0,0 +1,3 @@
+/*	$NetBSD: profile.h,v 1.2 1994/10/26 07:26:38 cgd Exp $	*/
+
+#include <m68k/profile.h>
diff --git a/sys/arch/hp300/include/psl.h b/sys/arch/hp300/include/psl.h
new file mode 100644
index 00000000000..970687c2315
--- /dev/null
+++ b/sys/arch/hp300/include/psl.h
@@ -0,0 +1,3 @@
+/*	$NetBSD: psl.h,v 1.5 1994/10/26 07:26:39 cgd Exp $	*/
+
+#include <m68k/psl.h>
diff --git a/sys/arch/hp300/include/pte.h b/sys/arch/hp300/include/pte.h
new file mode 100644
index 00000000000..65c526ce5af
--- /dev/null
+++ b/sys/arch/hp300/include/pte.h
@@ -0,0 +1,152 @@
+/*	$NetBSD: pte.h,v 1.4 1994/10/26 07:26:40 cgd 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 $Hdr: pte.h 1.13 92/01/20$
+ *
+ *	@(#)pte.h	8.1 (Berkeley) 6/10/93
+ */
+
+#ifndef	_HP300_PTE_H_
+#define	_HP300_PTE_H_
+
+/*
+ * HP300 hardware segment/page table entries
+ */
+
+#if 0
+struct ste {
+	unsigned int	sg_pfnum:20;	/* page table frame number */
+	unsigned int	:8;		/* reserved at 0 */
+	unsigned int	:1;		/* reserved at 1 */
+	unsigned int	sg_prot:1;	/* write protect bit */
+	unsigned int	sg_v:2;		/* valid bits */
+};
+
+struct ste40 {
+	unsigned int	sg_ptaddr:24;	/* page table page addr */
+	unsigned int	:4;		/* reserved at 0 */
+	unsigned int	sg_u;		/* hardware modified (dirty) bit */
+	unsigned int	sg_prot:1;	/* write protect bit */
+	unsigned int	sg_v:2;		/* valid bits */
+};
+
+struct pte {
+	unsigned int	pg_pfnum:20;	/* page frame number or 0 */
+	unsigned int	:3;
+	unsigned int	pg_w:1;		/* is wired */
+	unsigned int	:1;		/* reserved at zero */
+	unsigned int	pg_ci:1;	/* cache inhibit bit */
+	unsigned int	:1;		/* reserved at zero */
+	unsigned int	pg_m:1;		/* hardware modified (dirty) bit */
+	unsigned int	pg_u:1;		/* hardware used (reference) bit */
+	unsigned int	pg_prot:1;	/* write protect bit */
+	unsigned int	pg_v:2;		/* valid bit */
+};
+#endif
+
+typedef int	st_entry_t;	/* segment table entry */
+typedef int	pt_entry_t;	/* Mach page table entry */
+
+#define	PT_ENTRY_NULL	((pt_entry_t *) 0)
+#define	ST_ENTRY_NULL	((st_entry_t *) 0)
+
+#define	SG_V		0x00000002	/* segment is valid */
+#define	SG_NV		0x00000000
+#define	SG_PROT		0x00000004	/* access protection mask */
+#define	SG_RO		0x00000004
+#define	SG_RW		0x00000000
+#define	SG_U		0x00000008	/* modified bit (68040) */
+#define	SG_FRAME	0xfffff000
+#define	SG_IMASK	0xffc00000
+#define	SG_ISHIFT	22
+#define	SG_PMASK	0x003ff000
+#define	SG_PSHIFT	12
+
+/* 68040 additions */
+#define	SG4_MASK1	0xfe000000
+#define	SG4_SHIFT1	25
+#define	SG4_MASK2	0x01fc0000
+#define	SG4_SHIFT2	18
+#define	SG4_MASK3	0x0003f000
+#define	SG4_SHIFT3	12
+#define	SG4_ADDR1	0xfffffe00
+#define	SG4_ADDR2	0xffffff00
+#define	SG4_LEV1SIZE	128
+#define	SG4_LEV2SIZE	128
+#define	SG4_LEV3SIZE	64
+
+#define	PG_V		0x00000001
+#define	PG_NV		0x00000000
+#define	PG_PROT		0x00000004
+#define	PG_U		0x00000008
+#define	PG_M		0x00000010
+#define	PG_W		0x00000100
+#define	PG_RO		0x00000004
+#define	PG_RW		0x00000000
+#define	PG_FRAME	0xfffff000
+#define	PG_CI		0x00000040
+#define PG_SHIFT	12
+#define	PG_PFNUM(x)	(((x) & PG_FRAME) >> PG_SHIFT)
+
+/* 68040 additions */
+#define	PG_CMASK	0x00000060	/* cache mode mask */
+#define	PG_CWT		0x00000000	/* writethrough caching */
+#define	PG_CCB		0x00000020	/* copyback caching */
+#define	PG_CIS		0x00000040	/* cache inhibited serialized */
+#define	PG_CIN		0x00000060	/* cache inhibited nonserialized */
+#define	PG_SO		0x00000080	/* supervisor only */
+
+#define HP_STSIZE	(MAXUL2SIZE*SG4_LEV2SIZE*sizeof(st_entry_t))
+					/* user process segment table size */
+#define HP_MAX_PTSIZE	0x400000	/* max size of UPT */
+#define HP_MAX_KPTSIZE	0x100000	/* max memory to allocate to KPT */
+#define HP_PTBASE	0x10000000	/* UPT map base address */
+#define HP_PTMAXSIZE	0x70000000	/* UPT map maximum size */
+
+/*
+ * Kernel virtual address to page table entry and to physical address.
+ */
+#define	kvtopte(va) \
+	(&Sysmap[((unsigned)(va) - VM_MIN_KERNEL_ADDRESS) >> PGSHIFT])
+#define	ptetokv(pt) \
+	((((pt_entry_t *)(pt) - Sysmap) << PGSHIFT) + VM_MIN_KERNEL_ADDRESS)
+#define	kvtophys(va) \
+	((kvtopte(va)->pg_pfnum << PGSHIFT) | ((int)(va) & PGOFSET))
+
+#endif /* !_HP300_PTE_H_ */
diff --git a/sys/arch/hp300/include/ptrace.h b/sys/arch/hp300/include/ptrace.h
new file mode 100644
index 00000000000..76f781843e3
--- /dev/null
+++ b/sys/arch/hp300/include/ptrace.h
@@ -0,0 +1,4 @@
+/*	$NetBSD: ptrace.h,v 1.2 1994/10/26 07:26:42 cgd Exp $	*/
+
+/* Just use the common m68k definition */
+#include <m68k/ptrace.h>
diff --git a/sys/arch/hp300/include/reg.h b/sys/arch/hp300/include/reg.h
new file mode 100644
index 00000000000..492b059d862
--- /dev/null
+++ b/sys/arch/hp300/include/reg.h
@@ -0,0 +1,8 @@
+/*	$NetBSD: reg.h,v 1.9 1994/10/26 07:26:43 cgd Exp $	*/
+
+#ifndef _MACHINE_REG_H_
+#define	_MACHINE_REG_H_
+
+#include <m68k/reg.h>
+
+#endif /* _MACHINE_REG_H_ */
diff --git a/sys/arch/hp300/include/setjmp.h b/sys/arch/hp300/include/setjmp.h
new file mode 100644
index 00000000000..0e4a4b56978
--- /dev/null
+++ b/sys/arch/hp300/include/setjmp.h
@@ -0,0 +1,3 @@
+/*	$NetBSD: setjmp.h,v 1.1 1994/12/20 10:36:38 cgd Exp $	*/
+
+#include <m68k/setjmp.h>
diff --git a/sys/arch/hp300/include/signal.h b/sys/arch/hp300/include/signal.h
new file mode 100644
index 00000000000..5787071f7aa
--- /dev/null
+++ b/sys/arch/hp300/include/signal.h
@@ -0,0 +1,4 @@
+/*	$NetBSD: signal.h,v 1.3 1994/10/26 07:26:44 cgd Exp $	*/
+
+/* Just use the common m68k definition */
+#include <m68k/signal.h>
diff --git a/sys/arch/hp300/include/stdarg.h b/sys/arch/hp300/include/stdarg.h
new file mode 100644
index 00000000000..07f10c65ee5
--- /dev/null
+++ b/sys/arch/hp300/include/stdarg.h
@@ -0,0 +1,4 @@
+/*	$NetBSD: stdarg.h,v 1.4 1994/10/26 07:26:45 cgd Exp $	*/
+
+/* Just use the common m68k definition */
+#include <m68k/stdarg.h>
diff --git a/sys/arch/hp300/include/trap.h b/sys/arch/hp300/include/trap.h
new file mode 100644
index 00000000000..071e33d0575
--- /dev/null
+++ b/sys/arch/hp300/include/trap.h
@@ -0,0 +1,3 @@
+/*	$NetBSD: trap.h,v 1.6 1994/10/26 07:26:47 cgd Exp $	*/
+
+#include <m68k/trap.h>
diff --git a/sys/arch/hp300/include/types.h b/sys/arch/hp300/include/types.h
new file mode 100644
index 00000000000..6f78747c1a6
--- /dev/null
+++ b/sys/arch/hp300/include/types.h
@@ -0,0 +1,10 @@
+/*	$NetBSD: types.h,v 1.5 1995/06/26 05:13:46 cgd Exp $	*/
+
+#ifndef _MACHINE_TYPES_H_
+#define _MACHINE_TYPES_H_
+
+#include <m68k/types.h>
+
+#define	__BDEVSW_DUMP_OLD_TYPE
+
+#endif
diff --git a/sys/arch/hp300/include/varargs.h b/sys/arch/hp300/include/varargs.h
new file mode 100644
index 00000000000..1ed0916752d
--- /dev/null
+++ b/sys/arch/hp300/include/varargs.h
@@ -0,0 +1,4 @@
+/*	$NetBSD: varargs.h,v 1.2 1994/10/26 07:26:50 cgd Exp $	*/
+
+/* Just use the common m68k definition */
+#include <m68k/varargs.h>
diff --git a/sys/arch/hp300/include/vmparam.h b/sys/arch/hp300/include/vmparam.h
new file mode 100644
index 00000000000..85f9bf25311
--- /dev/null
+++ b/sys/arch/hp300/include/vmparam.h
@@ -0,0 +1,249 @@
+/*	$NetBSD: vmparam.h,v 1.7 1994/10/26 07:26:52 cgd 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 $Hdr: vmparam.h 1.16 91/01/18$
+ *
+ *	@(#)vmparam.h	8.2 (Berkeley) 4/19/94
+ */
+
+/*
+ * Machine dependent constants for HP300
+ */
+/*
+ * USRTEXT is the start of the user text/data space, while USRSTACK
+ * is the top (end) of the user stack.  LOWPAGES and HIGHPAGES are
+ * the number of pages from the beginning of the P0 region to the
+ * beginning of the text and from the beginning of the P1 region to the
+ * beginning of the stack respectively.
+ *
+ * NOTE: the ONLY reason that HIGHPAGES is 0x100 instead of UPAGES (3)
+ * is for HPUX compatibility.  Why??  Because HPUX's debuggers
+ * have the user's stack hard-wired at FFF00000 for post-mortems,
+ * and we must be compatible...
+ */
+#define	USRTEXT		NBPG
+#define	USRSTACK	(-HIGHPAGES*NBPG)	/* Start of user stack */
+#define	BTOPUSRSTACK	(0x100000-HIGHPAGES)	/* btop(USRSTACK) */
+#define P1PAGES		0x100000
+#define	LOWPAGES	0
+#define HIGHPAGES	(0x100000/NBPG)
+
+/*
+ * Virtual memory related constants, all in bytes
+ */
+#ifndef MAXTSIZ
+#define	MAXTSIZ		(8*1024*1024)		/* max text size */
+#endif
+#ifndef DFLDSIZ
+#define	DFLDSIZ		(16*1024*1024)		/* initial data size limit */
+#endif
+#ifndef MAXDSIZ
+#define	MAXDSIZ		(64*1024*1024)		/* max data size */
+#endif
+#ifndef	DFLSSIZ
+#define	DFLSSIZ		(512*1024)		/* initial stack size limit */
+#endif
+#ifndef	MAXSSIZ
+#define	MAXSSIZ		MAXDSIZ			/* max stack size */
+#endif
+
+/*
+ * Default sizes of swap allocation chunks (see dmap.h).
+ * The actual values may be changed in vminit() based on MAXDSIZ.
+ * With MAXDSIZ of 16Mb and NDMAP of 38, dmmax will be 1024.
+ * DMMIN should be at least ctod(1) so that vtod() works.
+ * vminit() insures this.
+ */
+#define	DMMIN	32			/* smallest swap allocation */
+#define	DMMAX	4096			/* largest potential swap allocation */
+
+/*
+ * Sizes of the system and user portions of the system page table.
+ */
+/* SYSPTSIZE IS SILLY; IT SHOULD BE COMPUTED AT BOOT TIME */
+#define	SYSPTSIZE	(2 * NPTEPG)	/* 8mb */
+#define	USRPTSIZE 	(1 * NPTEPG)	/* 4mb */
+
+/*
+ * PTEs for mapping user space into the kernel for phyio operations.
+ * One page is enough to handle 4Mb of simultaneous raw IO operations.
+ */
+#ifndef USRIOSIZE
+#define USRIOSIZE	(1 * NPTEPG)	/* 4mb */
+#endif
+
+/*
+ * PTEs for system V style shared memory.
+ * This is basically slop for kmempt which we actually allocate (malloc) from.
+ */
+#ifndef SHMMAXPGS
+#define SHMMAXPGS	1024		/* 4mb */
+#endif
+
+/*
+ * External IO space map size.
+ * By default we make it large enough to map up to 3 DIO-II devices and
+ * the complete DIO space.  For a 320-only configuration (which has no
+ * DIO-II) you could define a considerably smaller region.
+ */
+#ifndef EIOMAPSIZE
+#define EIOMAPSIZE	3584		/* 14mb */
+#endif
+
+/*
+ * Boundary at which to place first MAPMEM segment if not explicitly
+ * specified.  Should be a power of two.  This allows some slop for
+ * the data segment to grow underneath the first mapped segment.
+ */
+#define MMSEG		0x200000
+
+/*
+ * The size of the clock loop.
+ */
+#define	LOOPPAGES	(maxfree - firstfree)
+
+/*
+ * The time for a process to be blocked before being very swappable.
+ * This is a number of seconds which the system takes as being a non-trivial
+ * amount of real time.  You probably shouldn't change this;
+ * it is used in subtle ways (fractions and multiples of it are, that is, like
+ * half of a ``long time'', almost a long time, etc.)
+ * It is related to human patience and other factors which don't really
+ * change over time.
+ */
+#define	MAXSLP 		20
+
+/*
+ * A swapped in process is given a small amount of core without being bothered
+ * by the page replacement algorithm.  Basically this says that if you are
+ * swapped in you deserve some resources.  We protect the last SAFERSS
+ * pages against paging and will just swap you out rather than paging you.
+ * Note that each process has at least UPAGES+CLSIZE pages which are not
+ * paged anyways (this is currently 8+2=10 pages or 5k bytes), so this
+ * number just means a swapped in process is given around 25k bytes.
+ * Just for fun: current memory prices are 4600$ a megabyte on VAX (4/22/81),
+ * so we loan each swapped in process memory worth 100$, or just admit
+ * that we don't consider it worthwhile and swap it out to disk which costs
+ * $30/mb or about $0.75.
+ */
+#define	SAFERSS		4		/* nominal ``small'' resident set size
+					   protected against replacement */
+
+/*
+ * DISKRPM is used to estimate the number of paging i/o operations
+ * which one can expect from a single disk controller.
+ */
+#define	DISKRPM		60
+
+/*
+ * Klustering constants.  Klustering is the gathering
+ * of pages together for pagein/pageout, while clustering
+ * is the treatment of hardware page size as though it were
+ * larger than it really is.
+ *
+ * KLMAX gives maximum cluster size in CLSIZE page (cluster-page)
+ * units.  Note that ctod(KLMAX*CLSIZE) must be <= DMMIN in dmap.h.
+ * ctob(KLMAX) should also be less than MAXPHYS (in vm_swp.c)
+ * unless you like "big push" panics.
+ */
+
+#define	KLMAX	(4/CLSIZE)
+#define	KLSEQL	(2/CLSIZE)		/* in klust if vadvise(VA_SEQL) */
+#define	KLIN	(4/CLSIZE)		/* default data/stack in klust */
+#define	KLTXT	(4/CLSIZE)		/* default text in klust */
+#define	KLOUT	(4/CLSIZE)
+
+/*
+ * KLSDIST is the advance or retard of the fifo reclaim for sequential
+ * processes data space.
+ */
+#define	KLSDIST	3		/* klusters advance/retard for seq. fifo */
+
+/*
+ * Paging thresholds (see vm_sched.c).
+ * Strategy of 1/19/85:
+ *	lotsfree is 512k bytes, but at most 1/4 of memory
+ *	desfree is 200k bytes, but at most 1/8 of memory
+ */
+#define	LOTSFREE	(512 * 1024)
+#define	LOTSFREEFRACT	4
+#define	DESFREE		(200 * 1024)
+#define	DESFREEFRACT	8
+
+/*
+ * There are two clock hands, initially separated by HANDSPREAD bytes
+ * (but at most all of user memory).  The amount of time to reclaim
+ * a page once the pageout process examines it increases with this
+ * distance and decreases as the scan rate rises.
+ */
+#define	HANDSPREAD	(2 * 1024 * 1024)
+
+/*
+ * The number of times per second to recompute the desired paging rate
+ * and poke the pagedaemon.
+ */
+#define	RATETOSCHEDPAGING	4
+
+/*
+ * Believed threshold (in megabytes) for which interleaved
+ * swapping area is desirable.
+ */
+#define	LOTSOFMEM	2
+
+/*
+ * Mach derived constants
+ */
+
+/* user/kernel map constants */
+#define VM_MIN_ADDRESS		((vm_offset_t)0)
+#define VM_MAXUSER_ADDRESS	((vm_offset_t)0xFFF00000)
+#define VM_MAX_ADDRESS		((vm_offset_t)0xFFF00000)
+#define VM_MIN_KERNEL_ADDRESS	((vm_offset_t)0)
+#define VM_MAX_KERNEL_ADDRESS	((vm_offset_t)0xFFFFF000)
+
+/* virtual sizes (bytes) for various kernel submaps */
+#define VM_MBUF_SIZE		(NMBCLUSTERS*MCLBYTES)
+#define VM_KMEM_SIZE		(NKMEMCLUSTERS*CLBYTES)
+#define VM_PHYS_SIZE		(USRIOSIZE*CLBYTES)
+
+/* # of kernel PT pages (initial only, can grow dynamically) */
+#define VM_KERNEL_PT_PAGES	((vm_size_t)2)		/* XXX: SYSPTSIZE */
+
+/* pcb base */
+#define	pcbb(p)		((u_int)(p)->p_addr)