1 /* 2 * Copyright 2010, Ithamar R. Adema, ithamar.adema@team-embedded.nl 3 * Copyright 2010, Ingo Weinhold, ingo_weinhold@gmx.de. 4 * Copyright 2005-2009, Axel Dörfler, axeld@pinc-software.de. 5 * Distributed under the terms of the MIT License. 6 * 7 * Copyright 2001-2002, Travis Geiselbrecht. All rights reserved. 8 * Distributed under the terms of the NewOS License. 9 */ 10 #ifndef _KERNEL_ARCH_ARM_PAGING_32_BIT_PAGING_H 11 #define _KERNEL_ARCH_ARM_PAGING_32_BIT_PAGING_H 12 13 14 #include <SupportDefs.h> 15 16 #include <int.h> 17 #include <kernel.h> 18 19 #include <arm_mmu.h> 20 21 22 #define FIRST_USER_PGDIR_ENT (VADDR_TO_PDENT(USER_BASE)) 23 #define NUM_USER_PGDIR_ENTS (VADDR_TO_PDENT(ROUNDUP(USER_SIZE, \ 24 B_PAGE_SIZE * ARM_MMU_L2_COARSE_ENTRY_COUNT))) 25 #define FIRST_KERNEL_PGDIR_ENT (VADDR_TO_PDENT(KERNEL_BASE)) 26 #define NUM_KERNEL_PGDIR_ENTS (VADDR_TO_PDENT(KERNEL_SIZE)) 27 28 29 static const size_t kPageTableAlignment = ARM_MMU_L2_COARSE_ENTRY_COUNT * B_PAGE_SIZE; 30 31 32 typedef uint32 page_table_entry; 33 typedef uint32 page_directory_entry; 34 35 36 #endif // _KERNEL_ARCH_ARM_PAGING_32_BIT_PAGING_H 37