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Implement PMAP_PREFER().

This commit is contained in:
eeh 1999-12-30 16:21:25 +00:00
parent 4558c5bfb7
commit 2c1410f883
1 changed files with 3 additions and 1 deletions
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4
sys/arch/sparc64/include/pmap.h
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@ -1,4 +1,4 @@
/* $NetBSD: pmap.h,v 1.10 1999/06/07 05:28:04 eeh Exp $ */
/* $NetBSD: pmap.h,v 1.11 1999/12/30 16:21:25 eeh Exp $ */
/*-
* Copyright (C) 1995, 1996 Wolfgang Solfrank.
@ -162,6 +162,8 @@ int pmap_count_res __P((pmap_t pmap));
#define pmap_phys_address(x) ((((paddr_t)(x))<<PGSHIFT)|PMAP_NC)
void pmap_bootstrap __P((u_long kernelstart, u_long kernelend, u_int numctx));
/* make sure all page mappings are modulo 16K to prevent d$ aliasing */
#define PMAP_PREFER(pa, va) (*(va)+=(((*(va))^(pa))&(1<<(PGSHIFT+1))))
/* SPARC specific? */
void pmap_redzone __P((void));