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[src/sommerfeld_i386mp_1]: src/sys/arch/i386/include MAXSLP is defined to be ...



details:   https://anonhg.NetBSD.org/src/rev/9a04932f260a
branches:  sommerfeld_i386mp_1
changeset: 482445:9a04932f260a
user:      soren <soren%NetBSD.org@localhost>
date:      Thu Nov 15 18:06:15 2001 +0000

description:
MAXSLP is defined to be a machine-independent scheduling parameter,
so move it into sys/param.h.

diffstat:

 sys/arch/i386/include/vmparam.h |  138 ++++++++++++++++++++++++++++++++++++++++
 1 files changed, 138 insertions(+), 0 deletions(-)

diffs (142 lines):

diff -r a3f07f08b299 -r 9a04932f260a sys/arch/i386/include/vmparam.h
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/i386/include/vmparam.h   Thu Nov 15 18:06:15 2001 +0000
@@ -0,0 +1,138 @@
+/*     $NetBSD: vmparam.h,v 1.45.2.2 2001/11/15 18:06:15 soren 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 386.
+ */
+
+/*
+ * Page size on the IA-32 is not variable in the traditional sense.
+ * We override the PAGE_* definitions to compile-time constants.
+ */
+#define        PAGE_SHIFT      12
+#define        PAGE_SIZE       (1 << PAGE_SHIFT)
+#define        PAGE_MASK       (PAGE_SIZE - 1)
+
+/*
+ * Virtual address space arrangement. On 386, both user and kernel
+ * share the address space, not unlike the vax.
+ * USRTEXT is the start of the user text/data space, while 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        USRTEXT         NBPG
+#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      2048
+#endif
+
+/*
+ * Size of User Raw I/O map
+ */
+#define        USRIOSIZE       300
+
+/*
+ * Mach derived constants
+ */
+
+/* user/kernel map constants */
+#define VM_MIN_ADDRESS         ((vaddr_t)0)
+#define        VM_MAXUSER_ADDRESS      \
+                       ((vaddr_t)((PDSLOT_PTE << PDSHIFT) - (UPAGES * NBPG)))
+#define        VM_MAX_ADDRESS          \
+               ((vaddr_t)((PDSLOT_PTE << PDSHIFT) + (PDSLOT_PTE << PGSHIFT)))
+#define        VM_MIN_KERNEL_ADDRESS   ((vaddr_t)(PDSLOT_KERN << PDSHIFT))
+#define        VM_MAX_KERNEL_ADDRESS   ((vaddr_t)(PDSLOT_APTE << PDSHIFT))
+
+/* XXX max. amount of KVM to be used by buffers. */
+#ifndef VM_MAX_KERNEL_BUF
+#define VM_MAX_KERNEL_BUF      (384 * 1024 * 1024)
+#endif
+
+/* virtual sizes (bytes) for various kernel submaps */
+#define VM_PHYS_SIZE           (USRIOSIZE*NBPG)
+
+#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
+
+#define        __HAVE_PMAP_PHYSSEG
+
+/*
+ * pmap specific data stored in the vm_physmem[] array
+ */
+struct pmap_physseg {
+       struct pv_head *pvhead;         /* pv_head array */
+       char *attrs;                    /* attrs array */
+};
+
+#endif /* _VMPARAM_H_ */



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