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Define two new macros to test if a mapping is mappable with an L1 Section 

mapping or an L2 Large Page mapping.
This commit is contained in:
thorpej 2003-04-18 22:39:56 +00:00
parent 78b1b81e74
commit 08330568d0
1 changed files with 11 additions and 1 deletions
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12
sys/arch/arm/include/arm32/pmap.h
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@ -1,4 +1,4 @@
/* $NetBSD: pmap.h,v 1.65 2003/04/18 11:08:27 scw Exp $ */
/* $NetBSD: pmap.h,v 1.66 2003/04/18 22:39:56 thorpej Exp $ */
/*
* Copyright (c) 2002, 2003 Wasabi Systems, Inc.
@ -622,6 +622,16 @@ extern void (*pmap_zero_page_func)(paddr_t);
#define L2_S_PROT(ku, pr) ((((ku) == PTE_USER) ? L2_S_PROT_U : 0) | \
(((pr) & VM_PROT_WRITE) ? L2_S_PROT_W : 0))
/*
* Macros to test if a mapping is mappable with an L1 Section mapping
* or an L2 Large Page mapping.
*/
#define L1_S_MAPPABLE_P(va, pa, size) \
((((va) | (pa)) & L1_S_OFFSET) == 0 && (size) >= L1_S_SIZE)
#define L2_L_MAPPBLE_P(va, pa, size) \
((((va) | (pa)) & L2_S_OFFSET) == 0 && (size) >= L2_L_SIZE)
/*
* Hooks for the pool allocator.
*/