diff options
Diffstat (limited to '')
| -rw-r--r-- | arch/arm/include/asm/pgtable.h | 70 |
1 files changed, 5 insertions, 65 deletions
diff --git a/arch/arm/include/asm/pgtable.h b/arch/arm/include/asm/pgtable.h index eabcb48a7840..78a532068fec 100644 --- a/arch/arm/include/asm/pgtable.h +++ b/arch/arm/include/asm/pgtable.h @@ -17,7 +17,6 @@ #else -#define __ARCH_USE_5LEVEL_HACK #include <asm-generic/pgtable-nopud.h> #include <asm/memory.h> #include <asm/pgtable-hwdef.h> @@ -80,9 +79,6 @@ extern void __pgd_error(const char *file, int line, pgd_t); extern pgprot_t pgprot_user; extern pgprot_t pgprot_kernel; -extern pgprot_t pgprot_hyp_device; -extern pgprot_t pgprot_s2; -extern pgprot_t pgprot_s2_device; #define _MOD_PROT(p, b) __pgprot(pgprot_val(p) | (b)) @@ -95,12 +91,6 @@ extern pgprot_t pgprot_s2_device; #define PAGE_READONLY_EXEC _MOD_PROT(pgprot_user, L_PTE_USER | L_PTE_RDONLY) #define PAGE_KERNEL _MOD_PROT(pgprot_kernel, L_PTE_XN) #define PAGE_KERNEL_EXEC pgprot_kernel -#define PAGE_HYP _MOD_PROT(pgprot_kernel, L_PTE_HYP | L_PTE_XN) -#define PAGE_HYP_EXEC _MOD_PROT(pgprot_kernel, L_PTE_HYP | L_PTE_RDONLY) -#define PAGE_HYP_RO _MOD_PROT(pgprot_kernel, L_PTE_HYP | L_PTE_RDONLY | L_PTE_XN) -#define PAGE_HYP_DEVICE _MOD_PROT(pgprot_hyp_device, L_PTE_HYP) -#define PAGE_S2 _MOD_PROT(pgprot_s2, L_PTE_S2_RDONLY | L_PTE_XN) -#define PAGE_S2_DEVICE _MOD_PROT(pgprot_s2_device, L_PTE_S2_RDONLY | L_PTE_XN) #define __PAGE_NONE __pgprot(_L_PTE_DEFAULT | L_PTE_RDONLY | L_PTE_XN | L_PTE_NONE) #define __PAGE_SHARED __pgprot(_L_PTE_DEFAULT | L_PTE_USER | L_PTE_XN) @@ -147,23 +137,6 @@ extern pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn, * 2) If we could do execute protection, then read is implied * 3) write implies read permissions */ -#define __P000 __PAGE_NONE -#define __P001 __PAGE_READONLY -#define __P010 __PAGE_COPY -#define __P011 __PAGE_COPY -#define __P100 __PAGE_READONLY_EXEC -#define __P101 __PAGE_READONLY_EXEC -#define __P110 __PAGE_COPY_EXEC -#define __P111 __PAGE_COPY_EXEC - -#define __S000 __PAGE_NONE -#define __S001 __PAGE_READONLY -#define __S010 __PAGE_SHARED -#define __S011 __PAGE_SHARED -#define __S100 __PAGE_READONLY_EXEC -#define __S101 __PAGE_READONLY_EXEC -#define __S110 __PAGE_SHARED_EXEC -#define __S111 __PAGE_SHARED_EXEC #ifndef __ASSEMBLY__ /* @@ -176,13 +149,8 @@ extern struct page *empty_zero_page; extern pgd_t swapper_pg_dir[PTRS_PER_PGD]; -/* to find an entry in a page-table-directory */ -#define pgd_index(addr) ((addr) >> PGDIR_SHIFT) - -#define pgd_offset(mm, addr) ((mm)->pgd + pgd_index(addr)) - -/* to find an entry in a kernel page-table-directory */ -#define pgd_offset_k(addr) pgd_offset(&init_mm, addr) +#define pud_page(pud) pmd_page(__pmd(pud_val(pud))) +#define pud_write(pud) pmd_write(__pmd(pud_val(pud))) #define pmd_none(pmd) (!pmd_val(pmd)) @@ -193,21 +161,6 @@ static inline pte_t *pmd_page_vaddr(pmd_t pmd) #define pmd_page(pmd) pfn_to_page(__phys_to_pfn(pmd_val(pmd) & PHYS_MASK)) -#ifndef CONFIG_HIGHPTE -#define __pte_map(pmd) pmd_page_vaddr(*(pmd)) -#define __pte_unmap(pte) do { } while (0) -#else -#define __pte_map(pmd) (pte_t *)kmap_atomic(pmd_page(*(pmd))) -#define __pte_unmap(pte) kunmap_atomic(pte) -#endif - -#define pte_index(addr) (((addr) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1)) - -#define pte_offset_kernel(pmd,addr) (pmd_page_vaddr(*(pmd)) + pte_index(addr)) - -#define pte_offset_map(pmd,addr) (__pte_map(pmd) + pte_index(addr)) -#define pte_unmap(pte) __pte_unmap(pte) - #define pte_pfn(pte) ((pte_val(pte) & PHYS_MASK) >> PAGE_SHIFT) #define pfn_pte(pfn,prot) __pte(__pfn_to_phys(pfn) | pgprot_val(prot)) @@ -252,19 +205,8 @@ static inline void __sync_icache_dcache(pte_t pteval) extern void __sync_icache_dcache(pte_t pteval); #endif -static inline void set_pte_at(struct mm_struct *mm, unsigned long addr, - pte_t *ptep, pte_t pteval) -{ - unsigned long ext = 0; - - if (addr < TASK_SIZE && pte_valid_user(pteval)) { - if (!pte_special(pteval)) - __sync_icache_dcache(pteval); - ext |= PTE_EXT_NG; - } - - set_pte_ext(ptep, pteval, ext); -} +void set_pte_at(struct mm_struct *mm, unsigned long addr, + pte_t *ptep, pte_t pteval); static inline pte_t clear_pte_bit(pte_t pte, pgprot_t prot) { @@ -347,7 +289,7 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) #define __swp_entry(type,offset) ((swp_entry_t) { ((type) << __SWP_TYPE_SHIFT) | ((offset) << __SWP_OFFSET_SHIFT) }) #define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) }) -#define __swp_entry_to_pte(swp) ((pte_t) { (swp).val }) +#define __swp_entry_to_pte(swp) __pte((swp).val | PTE_TYPE_FAULT) /* * It is an error for the kernel to have more swap files than we can @@ -360,8 +302,6 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) /* FIXME: this is not correct */ #define kern_addr_valid(addr) (1) -#include <asm-generic/pgtable.h> - /* * We provide our own arch_get_unmapped_area to cope with VIPT caches. */ |