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[src/netbsd-1-4]: src/sys/arch/sun3/include Move VM_PHYSSEG_MAX to the common...
details: https://anonhg.NetBSD.org/src/rev/cb9c746b059a
branches: netbsd-1-4
changeset: 468064:cb9c746b059a
user: gwr <gwr%NetBSD.org@localhost>
date: Mon Apr 05 14:35:14 1999 +0000
description:
Move VM_PHYSSEG_MAX to the common vmparam.h (needed by LKMs).
diffstat:
sys/arch/sun3/include/vmparam3.h | 125 ++++++++++++++++++++++++++++++++++++++
sys/arch/sun3/include/vmparam3x.h | 113 ++++++++++++++++++++++++++++++++++
2 files changed, 238 insertions(+), 0 deletions(-)
diffs (246 lines):
diff -r b33c5bb8441f -r cb9c746b059a sys/arch/sun3/include/vmparam3.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/sun3/include/vmparam3.h Mon Apr 05 14:35:14 1999 +0000
@@ -0,0 +1,125 @@
+/* $NetBSD: vmparam3.h,v 1.25.2.2 1999/04/05 14:35:14 gwr Exp $ */
+
+/*
+ * Copyright (c) 1994 Gordon W. Ross
+ * Copyright (c) 1993 Adam Glass
+ * 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 $Hdr: vmparam.h 1.16 91/01/18$
+ * from: @(#)vmparam.h 7.3 (Berkeley) 5/7/91
+ * vmparam.h,v 1.2 1993/05/22 07:58:38 cgd Exp
+ */
+
+/*
+ * Machine dependent constants for Sun3
+ *
+ * The Sun3 has limited total kernel virtual space (32MB) and
+ * can not use main memory for page tables. (All active PTEs
+ * must be installed in special translation RAM in the MMU).
+ * Therefore, parameters that would normally configure the
+ * size of various page tables are irrelevant. Only things
+ * that consume portions of kernel virtual (KV) space matter,
+ * and those things should be chosen to conserve KV space.
+ */
+
+/*
+ * USRTEXT is the start of the user text/data space, while
+ * USRSTACK is the top (end) of the user stack.
+ */
+#define USRTEXT NBPG /* Start of user text */
+#define USRSTACK KERNBASE /* High end of user stack */
+
+/*
+ * Virtual memory related constants, all in bytes.
+ * The Sun3 has only 224 MB of user-virtual space,
+ * so we need to be conservative with these limits.
+ */
+#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 (32*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
+
+/*
+ * PTEs for mapping user space into the kernel for phyio operations.
+ * The actual limitation for physio requests will be the DVMA space,
+ * and that is fixed by hardware design at 1MB. We could make the
+ * physio map larger than that, but it would not buy us much.
+ */
+#ifndef USRIOSIZE
+#define USRIOSIZE 128 /* 1 MB */
+#endif
+
+/*
+ * PTEs for system V style shared memory.
+ * This is basically slop for kmempt which we actually allocate (malloc) from.
+ */
+#ifndef SHMMAXPGS
+#define SHMMAXPGS 512 /* 4 MB */
+#endif
+
+/*
+ * Mach-derived constants:
+ */
+
+/* user/kernel map constants */
+#define VM_MIN_ADDRESS ((vm_offset_t)0)
+#define VM_MAX_ADDRESS ((vm_offset_t)KERNBASE)
+#define VM_MAXUSER_ADDRESS ((vm_offset_t)KERNBASE)
+#define VM_MIN_KERNEL_ADDRESS ((vm_offset_t)KERNBASE)
+#define VM_MAX_KERNEL_ADDRESS ((vm_offset_t)KERN_END)
+
+/* 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)
+
+#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
diff -r b33c5bb8441f -r cb9c746b059a sys/arch/sun3/include/vmparam3x.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/sun3/include/vmparam3x.h Mon Apr 05 14:35:14 1999 +0000
@@ -0,0 +1,113 @@
+/* $NetBSD: vmparam3x.h,v 1.11.2.2 1999/04/05 14:35:14 gwr 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 $Hdr: vmparam.h 1.16 91/01/18$
+ * from: @(#)vmparam.h 7.3 (Berkeley) 5/7/91
+ * vmparam.h,v 1.2 1993/05/22 07:58:38 cgd Exp
+ */
+
+/*
+ * Machine dependent constants for Sun3X
+ */
+
+/*
+ * USRTEXT is the start of the user text/data space, while
+ * USRSTACK is the top (end) of the user stack.
+ */
+#define USRTEXT NBPG /* Start of user text */
+#define USRSTACK KERNBASE /* High end of user stack */
+
+/*
+ * Virtual memory related constants, all in bytes
+ */
+#ifndef MAXTSIZ
+#define MAXTSIZ (8*1024*1024) /* max text size */
+#endif
+#ifndef DFLDSIZ
+#define DFLDSIZ (32*1024*1024) /* initial data size limit */
+#endif
+#ifndef MAXDSIZ
+#define MAXDSIZ (128*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
+
+/*
+ * PTEs for mapping user space into the kernel for phyio operations.
+ * The actual limitation for physio requests will be the DVMA space,
+ * and that is fixed by hardware design at 1MB. We could make the
+ * physio map larger than that, but it would not buy us much.
+ */
+#ifndef USRIOSIZE
+#define USRIOSIZE 128 /* 1 MB */
+#endif
+
+/*
+ * PTEs for system V style shared memory.
+ * This is basically slop for kmempt which we actually allocate (malloc) from.
+ */
+#ifndef SHMMAXPGS
+#define SHMMAXPGS 2048 /* 16 MB */
+#endif
+
+/*
+ * Mach-derived constants:
+ */
+
+/* user/kernel map constants */
+#define VM_MIN_ADDRESS ((vm_offset_t)0)
+#define VM_MAX_ADDRESS ((vm_offset_t)KERNBASE)
+#define VM_MAXUSER_ADDRESS ((vm_offset_t)KERNBASE)
+#define VM_MIN_KERNEL_ADDRESS ((vm_offset_t)KERNBASE)
+#define VM_MAX_KERNEL_ADDRESS ((vm_offset_t)KERN_END)
+
+/* 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)
+
+#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
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