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* Add page directory/table helper macros.

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@39137 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Ithamar R. Adema 2010-10-25 11:16:21 +00:00
parent ee0c130257
commit d38153721e
1 changed files with 5 additions and 3 deletions
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8
headers/private/kernel/arch/arm/arm_mmu.h
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@ -62,9 +62,11 @@
#define CP_R1_XP 0x800000 // if XP=0 then use backwards comaptible
// translation tables
#define VADDR_TO_PDENT(va) ((va) >> 20)
#define VADDR_TO_PTENT(va) (((va) & 0xff000) >> 12)
#define VADDR_TO_PGOFF(va) ((va) & 0x0fff)
#define ARM_PDE_ADDRESS_MASK 0xfffffc00
#define ARM_PTE_ADDRESS_MASK 0xfffff000
#endif /* _ARCH_ARM_ARM_MMU_H */