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Diffstat (limited to 'sys/powerpc/include/vmparam.h')
| -rw-r--r-- | sys/powerpc/include/vmparam.h | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/sys/powerpc/include/vmparam.h b/sys/powerpc/include/vmparam.h new file mode 100644 index 0000000..0434e97 --- /dev/null +++ b/sys/powerpc/include/vmparam.h @@ -0,0 +1,124 @@ +/*- + * 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. + * + * $NetBSD: vmparam.h,v 1.11 2000/02/11 19:25:16 thorpej Exp $ + * $FreeBSD$ + */ + +#ifndef _MACHINE_VMPARAM_H_ +#define _MACHINE_VMPARAM_H_ + +#define USRTEXT NBPG +#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 + +/* + * 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)0x7ffff000) +#define VM_MAX_ADDRESS VM_MAXUSER_ADDRESS +#define VM_MIN_KERNEL_ADDRESS ((vm_offset_t)(KERNEL_SR << ADDR_SR_SHFT)) +#define VM_MAX_KERNEL_ADDRESS (VM_MIN_KERNEL_ADDRESS + SEGMENT_LENGTH - 1) + +/* XXX max. amount of KVM to be used by buffers. */ +#ifndef VM_MAX_KERNEL_BUF +#define VM_MAX_KERNEL_BUF (SEGMENT_LENGTH * 7 / 10) +#endif + +#define VM_PHYS_SIZE (USRIOSIZE * NBPG) + +struct pmap_physseg { + struct pv_entry *pvent; + char *attrs; +}; + +#define VM_PHYSSEG_MAX 16 /* 1? */ +#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 + +#ifndef VM_INITIAL_PAGEIN +#define VM_INITIAL_PAGEIN 16 +#endif + +#ifndef SGROWSIZ +#define SGROWSIZ (128UL*1024) /* amount to grow stack */ +#endif + +#ifndef VM_KMEM_SIZE +#define VM_KMEM_SIZE (12 * 1024 * 1024) +#endif + +#endif /* _MACHINE_VMPARAM_H_ */ |
