Initial import of mvmeppc.

1 files changed, 125 insertions, 0 deletions

diff --git a/sys/arch/mvmeppc/include/vmparam.h b/sys/arch/mvmeppc/include/vmparam.h
new file mode 100644
index 00000000000..4a7a8d4ee8d
--- /dev/null
+++ b/sys/arch/mvmeppc/include/vmparam.h
@@ -0,0 +1,125 @@
+/*	$NetBSD: vmparam.h,v 1.1 1996/09/30 16:34:38 ws Exp $	*/
+
+/*-
+ * Copyright (C) 1995, 1996 Wolfgang Solfrank.
+ * Copyright (C) 1995, 1996 TooLs GmbH.
+ * 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 TooLs GmbH.
+ * 4. The name of TooLs GmbH may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``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 TOOLS GMBH 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_VMPARAM_H
+#define MACHINE_VMPARAM_H
+
+#define	USRTEXT		PAGE_SIZE
+#define	USRSTACK	VM_MAXUSER_ADDRESS
+
+#ifndef	MAXTSIZ
+#define	MAXTSIZ		(16*1024*1024)		/* max text size */
+#endif
+
+#ifndef	DFLDSIZ
+#define	DFLDSIZ		(32*1024*1024)		/* default data size */
+#endif
+
+#ifndef	MAXDSIZ
+#define	MAXDSIZ		(512*1024*1024)		/* max data size */
+#endif
+
+#ifndef	DFLSSIZ
+#define	DFLSSIZ		(1*1024*1024)		/* default stack size */
+#endif
+
+#ifndef	MAXSSIZ
+#define	MAXSSIZ		(32*1024*1024)		/* max stack size */
+#endif
+
+/*
+ * Min & Max swap space allocation chunks
+ */
+#define	DMMIN		32
+#define	DMMAX		4096
+
+/*
+ * Size of shared memory map
+ */
+#ifndef	SHMMAXPGS
+#define	SHMMAXPGS	1024
+#endif
+
+/*
+ * Size of User Raw I/O map
+ */
+#define	USRIOSIZE	1024
+
+/*
+ * 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
+
+/*
+ * Would like to have MAX addresses = 0, but this doesn't (currently) work
+ */
+#define	VM_MIN_ADDRESS		((vm_offset_t)0)
+#define	VM_MAXUSER_ADDRESS	((vm_offset_t)0xfffff000)
+#define	VM_MAX_ADDRESS		VM_MAXUSER_ADDRESS
+#define	VM_MIN_KERNEL_ADDRESS	((vm_offset_t)(KERNEL_SR << ADDR_SR_SHFT))
+
+/* ppc_kvm_size is so that vm space can be stolen before vm is fully
+ * initialized.
+ */
+#define VM_KERN_ADDR_SIZE_DEF SEGMENT_LENGTH
+extern vm_offset_t ppc_kvm_size;
+#define VM_KERN_ADDRESS_SIZE  (ppc_kvm_size)
+#define	VM_MAX_KERNEL_ADDRESS	((vm_offset_t)((KERNEL_SR << ADDR_SR_SHFT) \
+						+ VM_KERN_ADDRESS_SIZE))
+
+#define	MACHINE_NEW_NONCONTIG	/* VM <=> pmap interface modifier */
+
+#define	VM_KMEM_SIZE		(NKMEMCLUSTERS * PAGE_SIZE)
+#define	VM_MBUF_SIZE		(NMBCLUSTERS * PAGE_SIZE)
+#define	VM_PHYS_SIZE		(USRIOSIZE * PAGE_SIZE)
+
+struct pmap_physseg {
+	struct pv_entry *pvent;
+	char *attrs;
+	/* NULL ??? */
+};
+
+#define	VM_PHYSSEG_MAX	32	/* actually we could have this many segments */
+#define	VM_PHYSSEG_STRAT	VM_PSTRAT_BSEARCH
+#define	VM_PHYSSEG_NOADD	/* can't add RAM after vm_mem_init */
+
+#define VM_NFREELIST		1
+#define VM_FREELIST_DEFAULT	0
+
+#endif