Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2004-2006 Atmel Corporation |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License version 2 as |
| 6 | * published by the Free Software Foundation. |
| 7 | */ |
| 8 | #ifndef __ASM_AVR32_PGTABLE_H |
| 9 | #define __ASM_AVR32_PGTABLE_H |
| 10 | |
| 11 | #include <asm/addrspace.h> |
| 12 | |
| 13 | #ifndef __ASSEMBLY__ |
| 14 | #include <linux/sched.h> |
| 15 | |
| 16 | #endif /* !__ASSEMBLY__ */ |
| 17 | |
| 18 | /* |
| 19 | * Use two-level page tables just as the i386 (without PAE) |
| 20 | */ |
| 21 | #include <asm/pgtable-2level.h> |
| 22 | |
| 23 | /* |
| 24 | * The following code might need some cleanup when the values are |
| 25 | * final... |
| 26 | */ |
| 27 | #define PMD_SIZE (1UL << PMD_SHIFT) |
| 28 | #define PMD_MASK (~(PMD_SIZE-1)) |
| 29 | #define PGDIR_SIZE (1UL << PGDIR_SHIFT) |
| 30 | #define PGDIR_MASK (~(PGDIR_SIZE-1)) |
| 31 | |
| 32 | #define USER_PTRS_PER_PGD (TASK_SIZE / PGDIR_SIZE) |
| 33 | #define FIRST_USER_ADDRESS 0 |
| 34 | |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 35 | #ifndef __ASSEMBLY__ |
| 36 | extern pgd_t swapper_pg_dir[PTRS_PER_PGD]; |
| 37 | extern void paging_init(void); |
| 38 | |
| 39 | /* |
| 40 | * ZERO_PAGE is a global shared page that is always zero: used for |
| 41 | * zero-mapped memory areas etc. |
| 42 | */ |
| 43 | extern struct page *empty_zero_page; |
| 44 | #define ZERO_PAGE(vaddr) (empty_zero_page) |
| 45 | |
| 46 | /* |
| 47 | * Just any arbitrary offset to the start of the vmalloc VM area: the |
| 48 | * current 8 MiB value just means that there will be a 8 MiB "hole" |
| 49 | * after the uncached physical memory (P2 segment) until the vmalloc |
| 50 | * area starts. That means that any out-of-bounds memory accesses will |
| 51 | * hopefully be caught; we don't know if the end of the P1/P2 segments |
| 52 | * are actually used for anything, but it is anyway safer to let the |
| 53 | * MMU catch these kinds of errors than to rely on the memory bus. |
| 54 | * |
| 55 | * A "hole" of the same size is added to the end of the P3 segment as |
| 56 | * well. It might seem wasteful to use 16 MiB of virtual address space |
| 57 | * on this, but we do have 512 MiB of it... |
| 58 | * |
| 59 | * The vmalloc() routines leave a hole of 4 KiB between each vmalloced |
| 60 | * area for the same reason. |
| 61 | */ |
| 62 | #define VMALLOC_OFFSET (8 * 1024 * 1024) |
| 63 | #define VMALLOC_START (P3SEG + VMALLOC_OFFSET) |
| 64 | #define VMALLOC_END (P4SEG - VMALLOC_OFFSET) |
| 65 | #endif /* !__ASSEMBLY__ */ |
| 66 | |
| 67 | /* |
| 68 | * Page flags. Some of these flags are not directly supported by |
| 69 | * hardware, so we have to emulate them. |
| 70 | */ |
| 71 | #define _TLBEHI_BIT_VALID 9 |
| 72 | #define _TLBEHI_VALID (1 << _TLBEHI_BIT_VALID) |
| 73 | |
| 74 | #define _PAGE_BIT_WT 0 /* W-bit : write-through */ |
| 75 | #define _PAGE_BIT_DIRTY 1 /* D-bit : page changed */ |
| 76 | #define _PAGE_BIT_SZ0 2 /* SZ0-bit : Size of page */ |
| 77 | #define _PAGE_BIT_SZ1 3 /* SZ1-bit : Size of page */ |
| 78 | #define _PAGE_BIT_EXECUTE 4 /* X-bit : execute access allowed */ |
| 79 | #define _PAGE_BIT_RW 5 /* AP0-bit : write access allowed */ |
| 80 | #define _PAGE_BIT_USER 6 /* AP1-bit : user space access allowed */ |
| 81 | #define _PAGE_BIT_BUFFER 7 /* B-bit : bufferable */ |
| 82 | #define _PAGE_BIT_GLOBAL 8 /* G-bit : global (ignore ASID) */ |
| 83 | #define _PAGE_BIT_CACHABLE 9 /* C-bit : cachable */ |
| 84 | |
| 85 | /* If we drop support for 1K pages, we get two extra bits */ |
| 86 | #define _PAGE_BIT_PRESENT 10 |
| 87 | #define _PAGE_BIT_ACCESSED 11 /* software: page was accessed */ |
| 88 | |
| 89 | /* The following flags are only valid when !PRESENT */ |
| 90 | #define _PAGE_BIT_FILE 0 /* software: pagecache or swap? */ |
| 91 | |
| 92 | #define _PAGE_WT (1 << _PAGE_BIT_WT) |
| 93 | #define _PAGE_DIRTY (1 << _PAGE_BIT_DIRTY) |
| 94 | #define _PAGE_EXECUTE (1 << _PAGE_BIT_EXECUTE) |
| 95 | #define _PAGE_RW (1 << _PAGE_BIT_RW) |
| 96 | #define _PAGE_USER (1 << _PAGE_BIT_USER) |
| 97 | #define _PAGE_BUFFER (1 << _PAGE_BIT_BUFFER) |
| 98 | #define _PAGE_GLOBAL (1 << _PAGE_BIT_GLOBAL) |
| 99 | #define _PAGE_CACHABLE (1 << _PAGE_BIT_CACHABLE) |
| 100 | |
| 101 | /* Software flags */ |
| 102 | #define _PAGE_ACCESSED (1 << _PAGE_BIT_ACCESSED) |
| 103 | #define _PAGE_PRESENT (1 << _PAGE_BIT_PRESENT) |
| 104 | #define _PAGE_FILE (1 << _PAGE_BIT_FILE) |
| 105 | |
| 106 | /* |
| 107 | * Page types, i.e. sizes. _PAGE_TYPE_NONE corresponds to what is |
| 108 | * usually called _PAGE_PROTNONE on other architectures. |
| 109 | * |
| 110 | * XXX: Find out if _PAGE_PROTNONE is equivalent with !_PAGE_USER. If |
| 111 | * so, we can encode all possible page sizes (although we can't really |
| 112 | * support 1K pages anyway due to the _PAGE_PRESENT and _PAGE_ACCESSED |
| 113 | * bits) |
| 114 | * |
| 115 | */ |
| 116 | #define _PAGE_TYPE_MASK ((1 << _PAGE_BIT_SZ0) | (1 << _PAGE_BIT_SZ1)) |
| 117 | #define _PAGE_TYPE_NONE (0 << _PAGE_BIT_SZ0) |
| 118 | #define _PAGE_TYPE_SMALL (1 << _PAGE_BIT_SZ0) |
| 119 | #define _PAGE_TYPE_MEDIUM (2 << _PAGE_BIT_SZ0) |
| 120 | #define _PAGE_TYPE_LARGE (3 << _PAGE_BIT_SZ0) |
| 121 | |
| 122 | /* |
| 123 | * Mask which drop software flags. We currently can't handle more than |
| 124 | * 512 MiB of physical memory, so we can use bits 29-31 for other |
| 125 | * stuff. With a fixed 4K page size, we can use bits 10-11 as well as |
| 126 | * bits 2-3 (SZ) |
| 127 | */ |
| 128 | #define _PAGE_FLAGS_HARDWARE_MASK 0xfffff3ff |
| 129 | |
| 130 | #define _PAGE_FLAGS_CACHE_MASK (_PAGE_CACHABLE | _PAGE_BUFFER | _PAGE_WT) |
| 131 | |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 132 | /* Flags that may be modified by software */ |
| 133 | #define _PAGE_CHG_MASK (PTE_MASK | _PAGE_ACCESSED | _PAGE_DIRTY \ |
| 134 | | _PAGE_FLAGS_CACHE_MASK) |
| 135 | |
| 136 | #define _PAGE_FLAGS_READ (_PAGE_CACHABLE | _PAGE_BUFFER) |
| 137 | #define _PAGE_FLAGS_WRITE (_PAGE_FLAGS_READ | _PAGE_RW | _PAGE_DIRTY) |
| 138 | |
| 139 | #define _PAGE_NORMAL(x) __pgprot((x) | _PAGE_PRESENT | _PAGE_TYPE_SMALL \ |
| 140 | | _PAGE_ACCESSED) |
| 141 | |
| 142 | #define PAGE_NONE (_PAGE_ACCESSED | _PAGE_TYPE_NONE) |
| 143 | #define PAGE_READ (_PAGE_FLAGS_READ | _PAGE_USER) |
| 144 | #define PAGE_EXEC (_PAGE_FLAGS_READ | _PAGE_EXECUTE | _PAGE_USER) |
| 145 | #define PAGE_WRITE (_PAGE_FLAGS_WRITE | _PAGE_USER) |
| 146 | #define PAGE_KERNEL _PAGE_NORMAL(_PAGE_FLAGS_WRITE | _PAGE_EXECUTE | _PAGE_GLOBAL) |
| 147 | #define PAGE_KERNEL_RO _PAGE_NORMAL(_PAGE_FLAGS_READ | _PAGE_EXECUTE | _PAGE_GLOBAL) |
| 148 | |
| 149 | #define _PAGE_P(x) _PAGE_NORMAL((x) & ~(_PAGE_RW | _PAGE_DIRTY)) |
| 150 | #define _PAGE_S(x) _PAGE_NORMAL(x) |
| 151 | |
| 152 | #define PAGE_COPY _PAGE_P(PAGE_WRITE | PAGE_READ) |
Haavard Skinnemoen | e48a411 | 2008-02-11 16:55:19 +0100 | [diff] [blame] | 153 | #define PAGE_SHARED _PAGE_S(PAGE_WRITE | PAGE_READ) |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 154 | |
| 155 | #ifndef __ASSEMBLY__ |
| 156 | /* |
| 157 | * The hardware supports flags for write- and execute access. Read is |
| 158 | * always allowed if the page is loaded into the TLB, so the "-w-", |
| 159 | * "--x" and "-wx" mappings are implemented as "rw-", "r-x" and "rwx", |
| 160 | * respectively. |
| 161 | * |
| 162 | * The "---" case is handled by software; the page will simply not be |
| 163 | * loaded into the TLB if the page type is _PAGE_TYPE_NONE. |
| 164 | */ |
| 165 | |
| 166 | #define __P000 __pgprot(PAGE_NONE) |
| 167 | #define __P001 _PAGE_P(PAGE_READ) |
| 168 | #define __P010 _PAGE_P(PAGE_WRITE) |
| 169 | #define __P011 _PAGE_P(PAGE_WRITE | PAGE_READ) |
| 170 | #define __P100 _PAGE_P(PAGE_EXEC) |
| 171 | #define __P101 _PAGE_P(PAGE_EXEC | PAGE_READ) |
| 172 | #define __P110 _PAGE_P(PAGE_EXEC | PAGE_WRITE) |
| 173 | #define __P111 _PAGE_P(PAGE_EXEC | PAGE_WRITE | PAGE_READ) |
| 174 | |
| 175 | #define __S000 __pgprot(PAGE_NONE) |
| 176 | #define __S001 _PAGE_S(PAGE_READ) |
| 177 | #define __S010 _PAGE_S(PAGE_WRITE) |
| 178 | #define __S011 _PAGE_S(PAGE_WRITE | PAGE_READ) |
| 179 | #define __S100 _PAGE_S(PAGE_EXEC) |
| 180 | #define __S101 _PAGE_S(PAGE_EXEC | PAGE_READ) |
| 181 | #define __S110 _PAGE_S(PAGE_EXEC | PAGE_WRITE) |
| 182 | #define __S111 _PAGE_S(PAGE_EXEC | PAGE_WRITE | PAGE_READ) |
| 183 | |
| 184 | #define pte_none(x) (!pte_val(x)) |
| 185 | #define pte_present(x) (pte_val(x) & _PAGE_PRESENT) |
| 186 | |
| 187 | #define pte_clear(mm,addr,xp) \ |
| 188 | do { \ |
| 189 | set_pte_at(mm, addr, xp, __pte(0)); \ |
| 190 | } while (0) |
| 191 | |
| 192 | /* |
| 193 | * The following only work if pte_present() is true. |
| 194 | * Undefined behaviour if not.. |
| 195 | */ |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 196 | static inline int pte_write(pte_t pte) |
| 197 | { |
| 198 | return pte_val(pte) & _PAGE_RW; |
| 199 | } |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 200 | static inline int pte_dirty(pte_t pte) |
| 201 | { |
| 202 | return pte_val(pte) & _PAGE_DIRTY; |
| 203 | } |
| 204 | static inline int pte_young(pte_t pte) |
| 205 | { |
| 206 | return pte_val(pte) & _PAGE_ACCESSED; |
| 207 | } |
Nick Piggin | 7e67513 | 2008-04-28 02:13:00 -0700 | [diff] [blame] | 208 | static inline int pte_special(pte_t pte) |
| 209 | { |
| 210 | return 0; |
| 211 | } |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 212 | |
| 213 | /* |
| 214 | * The following only work if pte_present() is not true. |
| 215 | */ |
| 216 | static inline int pte_file(pte_t pte) |
| 217 | { |
| 218 | return pte_val(pte) & _PAGE_FILE; |
| 219 | } |
| 220 | |
| 221 | /* Mutator functions for PTE bits */ |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 222 | static inline pte_t pte_wrprotect(pte_t pte) |
| 223 | { |
| 224 | set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_RW)); |
| 225 | return pte; |
| 226 | } |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 227 | static inline pte_t pte_mkclean(pte_t pte) |
| 228 | { |
| 229 | set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_DIRTY)); |
| 230 | return pte; |
| 231 | } |
| 232 | static inline pte_t pte_mkold(pte_t pte) |
| 233 | { |
| 234 | set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_ACCESSED)); |
| 235 | return pte; |
| 236 | } |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 237 | static inline pte_t pte_mkwrite(pte_t pte) |
| 238 | { |
| 239 | set_pte(&pte, __pte(pte_val(pte) | _PAGE_RW)); |
| 240 | return pte; |
| 241 | } |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 242 | static inline pte_t pte_mkdirty(pte_t pte) |
| 243 | { |
| 244 | set_pte(&pte, __pte(pte_val(pte) | _PAGE_DIRTY)); |
| 245 | return pte; |
| 246 | } |
| 247 | static inline pte_t pte_mkyoung(pte_t pte) |
| 248 | { |
| 249 | set_pte(&pte, __pte(pte_val(pte) | _PAGE_ACCESSED)); |
| 250 | return pte; |
| 251 | } |
Nick Piggin | 7e67513 | 2008-04-28 02:13:00 -0700 | [diff] [blame] | 252 | static inline pte_t pte_mkspecial(pte_t pte) |
| 253 | { |
| 254 | return pte; |
| 255 | } |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 256 | |
| 257 | #define pmd_none(x) (!pmd_val(x)) |
Haavard Skinnemoen | cfd23e9 | 2008-01-14 22:15:05 +0100 | [diff] [blame] | 258 | #define pmd_present(x) (pmd_val(x)) |
| 259 | |
| 260 | static inline void pmd_clear(pmd_t *pmdp) |
| 261 | { |
| 262 | set_pmd(pmdp, __pmd(0)); |
| 263 | } |
| 264 | |
| 265 | #define pmd_bad(x) (pmd_val(x) & ~PAGE_MASK) |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 266 | |
| 267 | /* |
| 268 | * Permanent address of a page. We don't support highmem, so this is |
| 269 | * trivial. |
| 270 | */ |
| 271 | #define pages_to_mb(x) ((x) >> (20-PAGE_SHIFT)) |
Haavard Skinnemoen | 6f83419 | 2007-08-15 16:12:18 +0200 | [diff] [blame] | 272 | #define pte_page(x) (pfn_to_page(pte_pfn(x))) |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 273 | |
| 274 | /* |
| 275 | * Mark the prot value as uncacheable and unbufferable |
| 276 | */ |
| 277 | #define pgprot_noncached(prot) \ |
| 278 | __pgprot(pgprot_val(prot) & ~(_PAGE_BUFFER | _PAGE_CACHABLE)) |
| 279 | |
| 280 | /* |
| 281 | * Mark the prot value as uncacheable but bufferable |
| 282 | */ |
| 283 | #define pgprot_writecombine(prot) \ |
| 284 | __pgprot((pgprot_val(prot) & ~_PAGE_CACHABLE) | _PAGE_BUFFER) |
| 285 | |
| 286 | /* |
| 287 | * Conversion functions: convert a page and protection to a page entry, |
| 288 | * and a page entry and page directory to the page they refer to. |
| 289 | * |
| 290 | * extern pte_t mk_pte(struct page *page, pgprot_t pgprot) |
| 291 | */ |
| 292 | #define mk_pte(page, pgprot) pfn_pte(page_to_pfn(page), (pgprot)) |
| 293 | |
| 294 | static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) |
| 295 | { |
| 296 | set_pte(&pte, __pte((pte_val(pte) & _PAGE_CHG_MASK) |
| 297 | | pgprot_val(newprot))); |
| 298 | return pte; |
| 299 | } |
| 300 | |
| 301 | #define page_pte(page) page_pte_prot(page, __pgprot(0)) |
| 302 | |
Haavard Skinnemoen | cfd23e9 | 2008-01-14 22:15:05 +0100 | [diff] [blame] | 303 | #define pmd_page_vaddr(pmd) pmd_val(pmd) |
| 304 | #define pmd_page(pmd) (virt_to_page(pmd_val(pmd))) |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 305 | |
| 306 | /* to find an entry in a page-table-directory. */ |
Haavard Skinnemoen | cfd23e9 | 2008-01-14 22:15:05 +0100 | [diff] [blame] | 307 | #define pgd_index(address) (((address) >> PGDIR_SHIFT) \ |
| 308 | & (PTRS_PER_PGD - 1)) |
| 309 | #define pgd_offset(mm, address) ((mm)->pgd + pgd_index(address)) |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 310 | |
| 311 | /* to find an entry in a kernel page-table-directory */ |
Haavard Skinnemoen | cfd23e9 | 2008-01-14 22:15:05 +0100 | [diff] [blame] | 312 | #define pgd_offset_k(address) pgd_offset(&init_mm, address) |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 313 | |
| 314 | /* Find an entry in the third-level page table.. */ |
| 315 | #define pte_index(address) \ |
| 316 | ((address >> PAGE_SHIFT) & (PTRS_PER_PTE - 1)) |
| 317 | #define pte_offset(dir, address) \ |
| 318 | ((pte_t *) pmd_page_vaddr(*(dir)) + pte_index(address)) |
| 319 | #define pte_offset_kernel(dir, address) \ |
| 320 | ((pte_t *) pmd_page_vaddr(*(dir)) + pte_index(address)) |
| 321 | #define pte_offset_map(dir, address) pte_offset_kernel(dir, address) |
| 322 | #define pte_offset_map_nested(dir, address) pte_offset_kernel(dir, address) |
| 323 | #define pte_unmap(pte) do { } while (0) |
| 324 | #define pte_unmap_nested(pte) do { } while (0) |
| 325 | |
| 326 | struct vm_area_struct; |
| 327 | extern void update_mmu_cache(struct vm_area_struct * vma, |
Russell King | 4b3073e | 2009-12-18 16:40:18 +0000 | [diff] [blame] | 328 | unsigned long address, pte_t *ptep); |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 329 | |
| 330 | /* |
| 331 | * Encode and decode a swap entry |
| 332 | * |
| 333 | * Constraints: |
| 334 | * _PAGE_FILE at bit 0 |
| 335 | * _PAGE_TYPE_* at bits 2-3 (for emulating _PAGE_PROTNONE) |
| 336 | * _PAGE_PRESENT at bit 10 |
| 337 | * |
| 338 | * We encode the type into bits 4-9 and offset into bits 11-31. This |
| 339 | * gives us a 21 bits offset, or 2**21 * 4K = 8G usable swap space per |
| 340 | * device, and 64 possible types. |
| 341 | * |
| 342 | * NOTE: We should set ZEROs at the position of _PAGE_PRESENT |
| 343 | * and _PAGE_PROTNONE bits |
| 344 | */ |
| 345 | #define __swp_type(x) (((x).val >> 4) & 0x3f) |
| 346 | #define __swp_offset(x) ((x).val >> 11) |
| 347 | #define __swp_entry(type, offset) ((swp_entry_t) { ((type) << 4) | ((offset) << 11) }) |
| 348 | #define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) }) |
| 349 | #define __swp_entry_to_pte(x) ((pte_t) { (x).val }) |
| 350 | |
| 351 | /* |
| 352 | * Encode and decode a nonlinear file mapping entry. We have to |
| 353 | * preserve _PAGE_FILE and _PAGE_PRESENT here. _PAGE_TYPE_* isn't |
| 354 | * necessary, since _PAGE_FILE implies !_PAGE_PROTNONE (?) |
| 355 | */ |
| 356 | #define PTE_FILE_MAX_BITS 30 |
| 357 | #define pte_to_pgoff(pte) (((pte_val(pte) >> 1) & 0x1ff) \ |
| 358 | | ((pte_val(pte) >> 11) << 9)) |
| 359 | #define pgoff_to_pte(off) ((pte_t) { ((((off) & 0x1ff) << 1) \ |
| 360 | | (((off) >> 9) << 11) \ |
| 361 | | _PAGE_FILE) }) |
| 362 | |
| 363 | typedef pte_t *pte_addr_t; |
| 364 | |
| 365 | #define kern_addr_valid(addr) (1) |
| 366 | |
| 367 | #define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ |
| 368 | remap_pfn_range(vma, vaddr, pfn, size, prot) |
| 369 | |
Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 370 | /* No page table caches to initialize (?) */ |
| 371 | #define pgtable_cache_init() do { } while(0) |
| 372 | |
| 373 | #include <asm-generic/pgtable.h> |
| 374 | |
| 375 | #endif /* !__ASSEMBLY__ */ |
| 376 | |
| 377 | #endif /* __ASM_AVR32_PGTABLE_H */ |