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Define boolean predicates pmap_pde_page, pmap_pde_section & pmap_pde_fpage, 

which return true if their pde argument is a coarse page, section or
fine page respectively.
This commit is contained in:
rearnsha 2001-11-03 00:01:23 +00:00
parent 6dcc9636dc
commit 64c191c269
1 changed files with 5 additions and 1 deletions
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6
sys/arch/arm/include/arm32/pmap.h
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@ -1,4 +1,4 @@
/* $NetBSD: pmap.h,v 1.15 2001/09/13 23:56:01 chris Exp $ */
/* $NetBSD: pmap.h,v 1.16 2001/11/03 00:01:23 rearnsha Exp $ */
/*
* Copyright (c) 1994,1995 Mark Brinicombe.
@ -200,6 +200,10 @@ boolean_t pmap_pageidlezero __P((paddr_t));
#define pmap_pde(m, v) (&((m)->pm_pdir[((vaddr_t)(v) >> PDSHIFT)&4095]))
#define pmap_pte_pa(pte) (*(pte) & PG_FRAME)
#define pmap_pde_v(pde) (*(pde) != 0)
#define pmap_pde_section(pde) ((*(pde) & L1_MASK) == L1_SECTION)
#define pmap_pde_page(pde) ((*(pde) & L1_MASK) == L1_PAGE)
#define pmap_pde_fpage(pde) ((*(pde) & L1_MASK) == L1_FPAGE)
#define pmap_pte_v(pte) (*(pte) != 0)
/* Size of the kernel part of the L1 page table */