diff options
Diffstat (limited to 'include/asm-mips/pgtable.h')
| -rw-r--r-- | include/asm-mips/pgtable.h | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/include/asm-mips/pgtable.h b/include/asm-mips/pgtable.h index eaf5d9b3a0e1..1e8ae2723be4 100644 --- a/include/asm-mips/pgtable.h +++ b/include/asm-mips/pgtable.h | |||
| @@ -8,8 +8,6 @@ | |||
| 8 | #ifndef _ASM_PGTABLE_H | 8 | #ifndef _ASM_PGTABLE_H |
| 9 | #define _ASM_PGTABLE_H | 9 | #define _ASM_PGTABLE_H |
| 10 | 10 | ||
| 11 | #include <asm-generic/4level-fixup.h> | ||
| 12 | |||
| 13 | #include <linux/config.h> | 11 | #include <linux/config.h> |
| 14 | #ifdef CONFIG_32BIT | 12 | #ifdef CONFIG_32BIT |
| 15 | #include <asm/pgtable-32.h> | 13 | #include <asm/pgtable-32.h> |
| @@ -18,6 +16,7 @@ | |||
| 18 | #include <asm/pgtable-64.h> | 16 | #include <asm/pgtable-64.h> |
| 19 | #endif | 17 | #endif |
| 20 | 18 | ||
| 19 | #include <asm/io.h> | ||
| 21 | #include <asm/pgtable-bits.h> | 20 | #include <asm/pgtable-bits.h> |
| 22 | 21 | ||
| 23 | #define PAGE_NONE __pgprot(_PAGE_PRESENT | _CACHE_CACHABLE_NONCOHERENT) | 22 | #define PAGE_NONE __pgprot(_PAGE_PRESENT | _CACHE_CACHABLE_NONCOHERENT) |
| @@ -84,7 +83,7 @@ extern void paging_init(void); | |||
| 84 | #define pte_none(pte) (!(pte_val(pte) & ~_PAGE_GLOBAL)) | 83 | #define pte_none(pte) (!(pte_val(pte) & ~_PAGE_GLOBAL)) |
| 85 | #define pte_present(pte) (pte_val(pte) & _PAGE_PRESENT) | 84 | #define pte_present(pte) (pte_val(pte) & _PAGE_PRESENT) |
| 86 | 85 | ||
| 87 | #if defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32) | 86 | #if defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32_R1) |
| 88 | static inline void set_pte(pte_t *ptep, pte_t pte) | 87 | static inline void set_pte(pte_t *ptep, pte_t pte) |
| 89 | { | 88 | { |
| 90 | ptep->pte_high = pte.pte_high; | 89 | ptep->pte_high = pte.pte_high; |
| @@ -148,11 +147,18 @@ static inline void pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *pt | |||
| 148 | #endif | 147 | #endif |
| 149 | 148 | ||
| 150 | /* | 149 | /* |
| 151 | * (pmds are folded into pgds so this doesn't get actually called, | 150 | * (pmds are folded into puds so this doesn't get actually called, |
| 152 | * but the define is needed for a generic inline function.) | 151 | * but the define is needed for a generic inline function.) |
| 153 | */ | 152 | */ |
| 154 | #define set_pmd(pmdptr, pmdval) do { *(pmdptr) = (pmdval); } while(0) | 153 | #define set_pmd(pmdptr, pmdval) do { *(pmdptr) = (pmdval); } while(0) |
| 155 | #define set_pgd(pgdptr, pgdval) do { *(pgdptr) = (pgdval); } while(0) | 154 | |
| 155 | #ifdef CONFIG_64BIT | ||
| 156 | /* | ||
| 157 | * (puds are folded into pgds so this doesn't get actually called, | ||
| 158 | * but the define is needed for a generic inline function.) | ||
| 159 | */ | ||
| 160 | #define set_pud(pudptr, pudval) do { *(pudptr) = (pudval); } while(0) | ||
| 161 | #endif | ||
| 156 | 162 | ||
| 157 | #define PGD_T_LOG2 ffz(~sizeof(pgd_t)) | 163 | #define PGD_T_LOG2 ffz(~sizeof(pgd_t)) |
| 158 | #define PMD_T_LOG2 ffz(~sizeof(pmd_t)) | 164 | #define PMD_T_LOG2 ffz(~sizeof(pmd_t)) |
| @@ -165,7 +171,7 @@ extern pgd_t swapper_pg_dir[PTRS_PER_PGD]; | |||
| 165 | * Undefined behaviour if not.. | 171 | * Undefined behaviour if not.. |
| 166 | */ | 172 | */ |
| 167 | static inline int pte_user(pte_t pte) { BUG(); return 0; } | 173 | static inline int pte_user(pte_t pte) { BUG(); return 0; } |
| 168 | #if defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32) | 174 | #if defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32_R1) |
| 169 | static inline int pte_read(pte_t pte) { return (pte).pte_low & _PAGE_READ; } | 175 | static inline int pte_read(pte_t pte) { return (pte).pte_low & _PAGE_READ; } |
| 170 | static inline int pte_write(pte_t pte) { return (pte).pte_low & _PAGE_WRITE; } | 176 | static inline int pte_write(pte_t pte) { return (pte).pte_low & _PAGE_WRITE; } |
| 171 | static inline int pte_dirty(pte_t pte) { return (pte).pte_low & _PAGE_MODIFIED; } | 177 | static inline int pte_dirty(pte_t pte) { return (pte).pte_low & _PAGE_MODIFIED; } |
| @@ -324,7 +330,7 @@ static inline pgprot_t pgprot_noncached(pgprot_t _prot) | |||
| 324 | */ | 330 | */ |
| 325 | #define mk_pte(page, pgprot) pfn_pte(page_to_pfn(page), (pgprot)) | 331 | #define mk_pte(page, pgprot) pfn_pte(page_to_pfn(page), (pgprot)) |
| 326 | 332 | ||
| 327 | #if defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32) | 333 | #if defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32_R1) |
| 328 | static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) | 334 | static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) |
| 329 | { | 335 | { |
| 330 | pte.pte_low &= _PAGE_CHG_MASK; | 336 | pte.pte_low &= _PAGE_CHG_MASK; |
| @@ -357,7 +363,6 @@ static inline void update_mmu_cache(struct vm_area_struct *vma, | |||
| 357 | #endif | 363 | #endif |
| 358 | 364 | ||
| 359 | #ifdef CONFIG_64BIT_PHYS_ADDR | 365 | #ifdef CONFIG_64BIT_PHYS_ADDR |
| 360 | extern phys_t fixup_bigphys_addr(phys_t phys_addr, phys_t size); | ||
| 361 | extern int remap_pfn_range(struct vm_area_struct *vma, unsigned long from, unsigned long pfn, unsigned long size, pgprot_t prot); | 366 | extern int remap_pfn_range(struct vm_area_struct *vma, unsigned long from, unsigned long pfn, unsigned long size, pgprot_t prot); |
| 362 | 367 | ||
| 363 | static inline int io_remap_pfn_range(struct vm_area_struct *vma, | 368 | static inline int io_remap_pfn_range(struct vm_area_struct *vma, |
| @@ -367,7 +372,7 @@ static inline int io_remap_pfn_range(struct vm_area_struct *vma, | |||
| 367 | pgprot_t prot) | 372 | pgprot_t prot) |
| 368 | { | 373 | { |
| 369 | phys_t phys_addr_high = fixup_bigphys_addr(pfn << PAGE_SHIFT, size); | 374 | phys_t phys_addr_high = fixup_bigphys_addr(pfn << PAGE_SHIFT, size); |
| 370 | return remap_pfn_range(vma, vaddr, pfn, size, prot); | 375 | return remap_pfn_range(vma, vaddr, phys_addr_high >> PAGE_SHIFT, size, prot); |
| 371 | } | 376 | } |
| 372 | #else | 377 | #else |
| 373 | #define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ | 378 | #define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ |
