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Add MACHINE_NEW_NONCONTIG support.

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mark 1998-05-08 23:36:08 +00:00
parent d4a8f4cf29
commit a76affde1d
1 changed files with 40 additions and 4 deletions
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44
sys/arch/arm32/include/vmparam.h
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@ -1,4 +1,4 @@
/* $NetBSD: vmparam.h,v 1.6 1997/10/14 09:20:40 mark Exp $ */
/* $NetBSD: vmparam.h,v 1.7 1998/05/08 23:36:08 mark Exp $ */
/*
* Copyright (c) 1988 The Regents of the University of California.
@ -106,8 +106,44 @@
#define VM_MBUF_SIZE (NMBCLUSTERS*MCLBYTES)
#define VM_KMEM_SIZE (NKMEMCLUSTERS*CLBYTES)
#define VM_PHYS_SIZE (USRIOSIZE*CLBYTES)
#endif
#if defined(MACHINE_NEW_NONCONTIG)
/*
* 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
/*
* define structure pmap_physseg: there is one of these structures
* for each chunk of noncontig RAM you have.
*/
struct pmap_physseg {
struct pv_entry *pvent; /* pv_entry array */
char *attrs; /* attrs array */
};
#else /* MACHINE_NEW_NONCONTIG */
/* revert to MACHINE_NONCONTIG if MACHINE_NEW_NONCONTIG isn't defined */
#define MACHINE_NONCONTIG /* VM <=> pmap interface modifier */
#endif /* MACHINE_NEW_NONCONTIG */
#endif /* _ARM32_VMPARAM_H_ */
/* End of vmparam.h */