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authorDale Rahn <drahn@cvs.openbsd.org>2004-02-01 05:12:56 +0000
committerDale Rahn <drahn@cvs.openbsd.org>2004-02-01 05:12:56 +0000
commit8c3155bfa8b79dd47d2cc64189a919a9b434dc79 (patch)
tree7f4579210f3ad3b40021d7dbd71896e5f1f3899e /sys/arch/cats/include/vmparam.h
parentbad76f195320d5f8fe71dd2cdd09b7e6448ae62f (diff)
cats (ARM) support for OpenBSD, based on NetBSD code.
Diffstat (limited to 'sys/arch/cats/include/vmparam.h')
-rw-r--r--sys/arch/cats/include/vmparam.h100
1 files changed, 100 insertions, 0 deletions
diff --git a/sys/arch/cats/include/vmparam.h b/sys/arch/cats/include/vmparam.h
new file mode 100644
index 00000000000..bf47c165dd3
--- /dev/null
+++ b/sys/arch/cats/include/vmparam.h
@@ -0,0 +1,100 @@
+/* $OpenBSD: vmparam.h,v 1.1 2004/02/01 05:12:54 drahn Exp $ */
+/* $NetBSD: vmparam.h,v 1.23 2003/05/22 05:47:07 thorpej Exp $ */
+
+/*
+ * Copyright (c) 1988 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. 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.
+ */
+
+#ifndef _ARM32_VMPARAM_H_
+#define _ARM32_VMPARAM_H_
+
+#define ARM_KERNEL_BASE 0xf0000000
+
+#include <arm/vmparam.h>
+
+#ifdef _KERNEL
+/*
+ * Address space constants
+ */
+
+/*
+ * The line between user space and kernel space
+ * Mappings >= KERNEL_BASE are constant across all processes
+ */
+#define KERNEL_BASE ARM_KERNEL_BASE
+
+/*
+ * Override the default pager_map size, there's not enough KVA.
+ */
+#define PAGER_MAP_SIZE (4 * 1024 * 1024)
+
+/*
+ * Size of User Raw I/O map
+ */
+
+#define USRIOSIZE 300
+
+/* virtual sizes (bytes) for various kernel submaps */
+
+#define VM_PHYS_SIZE (USRIOSIZE*PAGE_SIZE)
+
+/*
+ * max number of non-contig chunks of physical RAM you can have
+ */
+
+#define VM_PHYSSEG_MAX 32
+
+/*
+ * when converting a physical address to a vm_page structure, we
+ * want to use a binary search on the chunks of physical memory
+ * to find our RAM
+ */
+
+#define VM_PHYSSEG_STRAT VM_PSTRAT_BSEARCH
+
+/*
+ * this indicates that we can't add RAM to the VM system after the
+ * vm system is init'd.
+ */
+
+#define VM_PHYSSEG_NOADD
+
+/*
+ * we support 2 free lists:
+ *
+ * - DEFAULT for all systems
+ * - ISADMA for the ISA DMA range on Sharks only
+ */
+#endif /* _KERNEL */
+
+#define VM_NFREELIST 2
+#define VM_FREELIST_DEFAULT 0
+#define VM_FREELIST_ISADMA 1
+
+
+#endif /* _ARM32_VMPARAM_H_ */