NetBSD/sys/arch/pmax/include/vmparam.h

/*	$NetBSD: vmparam.h,v 1.10 2000/01/09 14:28:54 ad Exp $	*/

#ifndef _PMAX_VMPARAM_H_
#define _PMAX_VMPARAM_H_	1

#include <mips/vmparam.h>

/*
 * VM_PHYSSEG_MAX
 *   We have two freelists. The first 8M of RAM goes onto a lower-priority
 *   free list, since some TC boards (e.g. PixelStamp boards) are only able 
 *   to DMA into this region, and we want them to have a fighting chance of
 *   allocating their DMA memory during autoconfiguration.
 *
 * VM_PHYSSEG_NOADD
 *   We can't add RAM after vm_mem_init.
 */
 
#define	VM_PHYSSEG_MAX		2
#define	VM_PHYSSEG_STRAT	VM_PSTRAT_BSEARCH
#define	VM_PHYSSEG_NOADD	1

#define	VM_NFREELIST		2
#define	VM_FREELIST_DEFAULT	0
#define	VM_FREELIST_FIRST8	1

#endif	/* !_PMAX_VMPARAM_H_ */
- Protect from multiple includes. - Fix and beef up comments. - G/C unused def. 2000-01-09 17:28:54 +03:00			`/* $NetBSD: vmparam.h,v 1.10 2000/01/09 14:28:54 ad Exp $ */`

			`#ifndef _PMAX_VMPARAM_H_`
			`#define _PMAX_VMPARAM_H_ 1`
new RCS ID format. 1994-10-27 00:08:38 +03:00
Replace the following header files from src/sys/arch/pmax/include/ with versions that include equivalent files from <mips/include>. (cvs magic copied the previous revisions, with history, to src/sys/arch/mips/include). bsd-aout.h elf.h endian.h exec.h float.h ieeefp.h limit.h pcb.h proc.h profile.h reg.h regdef.h setjmp.h stdarg.h vmparam.h 1996-03-19 06:06:28 +03:00			`#include <mips/vmparam.h>`
pmax code from <ralphc@pyramid.com> & <rick@snowhite.cis.uoguelph.ca> 1993-10-12 06:22:19 +03:00
DECstations have one physical memory segment. 1998-02-26 02:31:03 +03:00			`/*`
- Protect from multiple includes. - Fix and beef up comments. - G/C unused def. 2000-01-09 17:28:54 +03:00			`* VM_PHYSSEG_MAX`
			`* We have two freelists. The first 8M of RAM goes onto a lower-priority`
			`* free list, since some TC boards (e.g. PixelStamp boards) are only able`
			`* to DMA into this region, and we want them to have a fighting chance of`
			`* allocating their DMA memory during autoconfiguration.`
			`*`
			`* VM_PHYSSEG_NOADD`
			`* We can't add RAM after vm_mem_init.`
DECstations have one physical memory segment. 1998-02-26 02:31:03 +03:00			`*/`
- Protect from multiple includes. - Fix and beef up comments. - G/C unused def. 2000-01-09 17:28:54 +03:00
			`#define VM_PHYSSEG_MAX 2`
Add a second memory free list, which holds the first 8M of RAM. This is so that devices which must allocate DMA memory in this range (e.g. PixelStamp graphics boards) have a better chance of doing so, without an awful hack. 1999-05-07 22:04:36 +04:00			`#define VM_PHYSSEG_STRAT VM_PSTRAT_BSEARCH`
- Protect from multiple includes. - Fix and beef up comments. - G/C unused def. 2000-01-09 17:28:54 +03:00			`#define VM_PHYSSEG_NOADD 1`
DECstations have one physical memory segment. 1998-02-26 02:31:03 +03:00
Add a second memory free list, which holds the first 8M of RAM. This is so that devices which must allocate DMA memory in this range (e.g. PixelStamp graphics boards) have a better chance of doing so, without an awful hack. 1999-05-07 22:04:36 +04:00			`#define VM_NFREELIST 2`
Define one page free list, and put all pages on it. 1998-07-08 08:43:18 +04:00			`#define VM_FREELIST_DEFAULT 0`
Add a second memory free list, which holds the first 8M of RAM. This is so that devices which must allocate DMA memory in this range (e.g. PixelStamp graphics boards) have a better chance of doing so, without an awful hack. 1999-05-07 22:04:36 +04:00			`#define VM_FREELIST_FIRST8 1`
Define one page free list, and put all pages on it. 1998-07-08 08:43:18 +04:00
- Protect from multiple includes. - Fix and beef up comments. - G/C unused def. 2000-01-09 17:28:54 +03:00			`#endif /* !_PMAX_VMPARAM_H_ */`