an amd64 arch support.

hacked by art@ from netbsd sources and then later debugged
by me into the shape where it can host itself.
no bootloader yet as needs redoing from the
recent advanced i386 sources (anyone? ;)

1 files changed, 132 insertions, 0 deletions

diff --git a/sys/arch/amd64/include/vmparam.h b/sys/arch/amd64/include/vmparam.h
new file mode 100644
index 00000000000..a7657f1bbff
--- /dev/null
+++ b/sys/arch/amd64/include/vmparam.h
@@ -0,0 +1,132 @@
+/*	$OpenBSD: vmparam.h,v 1.1 2004/01/28 01:39:39 mickey Exp $	*/
+/*	$NetBSD: vmparam.h,v 1.1 2003/04/26 18:39:49 fvdl 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.
+ *
+ *	@(#)vmparam.h	5.9 (Berkeley) 5/12/91
+ */
+
+#ifndef _VMPARAM_H_
+#define _VMPARAM_H_
+
+/*
+ * Machine dependent constants for amd64.
+ */
+
+/*
+ * USRSTACK is the top (end) of the user stack. Immediately above the
+ * user stack resides the user structure, which is UPAGES long and contains
+ * the kernel stack.
+ *
+ * Immediately after the user structure is the page table map, and then
+ * kernal address space.
+ */
+#define	USRSTACK	VM_MAXUSER_ADDRESS
+
+/*
+ * Virtual memory related constants, all in bytes
+ */
+#define	MAXTSIZ		(64*1024*1024)		/* max text size */
+#ifndef DFLDSIZ
+#define	DFLDSIZ		(128*1024*1024)		/* initial data size limit */
+#endif
+#ifndef MAXDSIZ
+#define	MAXDSIZ		(1*1024*1024*1024)	/* max data size */
+#endif
+#ifndef	DFLSSIZ
+#define	DFLSSIZ		(2*1024*1024)		/* initial stack size limit */
+#endif
+#ifndef	MAXSSIZ
+#define	MAXSSIZ		(32*1024*1024)		/* max stack size */
+#endif
+
+/*
+ * Size of shared memory map
+ */
+#ifndef SHMMAXPGS
+#define SHMMAXPGS	8192
+#endif
+
+/*
+ * Size of User Raw I/O map
+ */
+#define	USRIOSIZE 	300
+
+/*
+ * 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
+
+/*
+ * Mach derived constants
+ */
+
+/* user/kernel map constants */
+#define VM_MIN_ADDRESS		0
+#define VM_MAXUSER_ADDRESS	0x00007f7fffffc000
+#define VM_MAX_ADDRESS		0x00007fbfdfeff000
+#define VM_MIN_KERNEL_ADDRESS	0xffff800000000000
+#define VM_MAX_KERNEL_ADDRESS	0xffff800100000000
+
+#define VM_MAXUSER_ADDRESS32	0xffffc000
+
+/* virtual sizes (bytes) for various kernel submaps */
+#define VM_PHYS_SIZE		(USRIOSIZE*PAGE_SIZE)
+
+#define VM_PHYSSEG_MAX		5	/* 1 "hole" + 4 free lists */
+#define VM_PHYSSEG_STRAT	VM_PSTRAT_BIGFIRST
+#define VM_PHYSSEG_NOADD		/* can't add RAM after vm_mem_init */
+
+#define	VM_NFREELIST		2
+#define	VM_FREELIST_DEFAULT	0
+#define	VM_FREELIST_FIRST16	1
+
+/*
+ * pmap specific data stored in the vm_physmem[] array
+ */
+#define __HAVE_PMAP_PHYSSEG
+struct pmap_physseg {
+	struct pv_head *pvhead;		/* pv_head array */
+	unsigned char *attrs;		/* attrs array */
+};
+
+#endif /* _VMPARAM_H_ */