Aren
/
NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add ASN housekeeping and a CPU mask to the pmap.

This commit is contained in:
thorpej 1998-03-18 19:39:23 +00:00
parent 961a955498
commit b637a998f4
1 changed files with 13 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
sys/arch/alpha/include/pmap.old.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: pmap.old.h,v 1.30 1998/03/18 19:27:47 thorpej Exp $ */
/* $NetBSD: pmap.old.h,v 1.31 1998/03/18 19:39:23 thorpej Exp $ */
/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
@ -84,7 +84,13 @@
#include <machine/pte.h>
/*
* Pmap stuff
* Machine-dependent virtual memory state.
*
* If we ever support processor numbers higher than 63, we'll have to
* rethink the CPU mask.
*
* XXX When we support multiple processors, pm_asn and pm_asngen need
* XXX to be per-processor.
*/
struct pmap {
LIST_ENTRY(pmap) pm_list; /* list of all pmaps */
@ -94,10 +100,15 @@ struct pmap {
struct pmap_statistics pm_stats; /* pmap statistics */
long pm_nlev2; /* level 2 pt page count */
long pm_nlev3; /* level 3 pt page count */
unsigned int pm_asn; /* address space number */
unsigned long pm_asngen; /* ASN generation number */
unsigned long pm_cpus; /* mask of CPUs using pmap */
};
typedef struct pmap *pmap_t;
#define PMAP_ASNGEN_INVALID 0 /* invalid generation; never matches */
extern struct pmap kernel_pmap_store;
#define pmap_kernel() (&kernel_pmap_store)