diff options
Diffstat (limited to 'include/asm-x86_64/pgtable.h')
| -rw-r--r-- | include/asm-x86_64/pgtable.h | 38 |
1 files changed, 22 insertions, 16 deletions
diff --git a/include/asm-x86_64/pgtable.h b/include/asm-x86_64/pgtable.h index 730bd6028416..da3390faaea6 100644 --- a/include/asm-x86_64/pgtable.h +++ b/include/asm-x86_64/pgtable.h @@ -1,22 +1,22 @@ #ifndef _X86_64_PGTABLE_H #define _X86_64_PGTABLE_H +#include <asm/const.h> +#ifndef __ASSEMBLY__ + /* * This file contains the functions and defines necessary to modify and use * the x86-64 page table tree. */ #include <asm/processor.h> -#include <asm/fixmap.h> #include <asm/bitops.h> #include <linux/threads.h> #include <asm/pda.h> extern pud_t level3_kernel_pgt[512]; -extern pud_t level3_physmem_pgt[512]; extern pud_t level3_ident_pgt[512]; extern pmd_t level2_kernel_pgt[512]; extern pgd_t init_level4_pgt[]; -extern pgd_t boot_level4_pgt[]; extern unsigned long __supported_pte_mask; #define swapper_pg_dir init_level4_pgt @@ -31,6 +31,8 @@ extern void clear_kernel_mapping(unsigned long addr, unsigned long size); extern unsigned long empty_zero_page[PAGE_SIZE/sizeof(unsigned long)]; #define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page)) +#endif /* !__ASSEMBLY__ */ + /* * PGDIR_SHIFT determines what a top-level page table entry can map */ @@ -55,6 +57,8 @@ extern unsigned long empty_zero_page[PAGE_SIZE/sizeof(unsigned long)]; */ #define PTRS_PER_PTE 512 +#ifndef __ASSEMBLY__ + #define pte_ERROR(e) \ printk("%s:%d: bad pte %p(%016lx).\n", __FILE__, __LINE__, &(e), pte_val(e)) #define pmd_ERROR(e) \ @@ -118,22 +122,23 @@ static inline pte_t ptep_get_and_clear_full(struct mm_struct *mm, unsigned long #define pte_pgprot(a) (__pgprot((a).pte & ~PHYSICAL_PAGE_MASK)) -#define PMD_SIZE (1UL << PMD_SHIFT) +#endif /* !__ASSEMBLY__ */ + +#define PMD_SIZE (_AC(1,UL) << PMD_SHIFT) #define PMD_MASK (~(PMD_SIZE-1)) -#define PUD_SIZE (1UL << PUD_SHIFT) +#define PUD_SIZE (_AC(1,UL) << PUD_SHIFT) #define PUD_MASK (~(PUD_SIZE-1)) -#define PGDIR_SIZE (1UL << PGDIR_SHIFT) +#define PGDIR_SIZE (_AC(1,UL) << PGDIR_SHIFT) #define PGDIR_MASK (~(PGDIR_SIZE-1)) #define USER_PTRS_PER_PGD ((TASK_SIZE-1)/PGDIR_SIZE+1) #define FIRST_USER_ADDRESS 0 -#ifndef __ASSEMBLY__ -#define MAXMEM 0x3fffffffffffUL -#define VMALLOC_START 0xffffc20000000000UL -#define VMALLOC_END 0xffffe1ffffffffffUL -#define MODULES_VADDR 0xffffffff88000000UL -#define MODULES_END 0xfffffffffff00000UL +#define MAXMEM 0x3fffffffffff +#define VMALLOC_START 0xffffc20000000000 +#define VMALLOC_END 0xffffe1ffffffffff +#define MODULES_VADDR 0xffffffff88000000 +#define MODULES_END 0xfffffffffff00000 #define MODULES_LEN (MODULES_END - MODULES_VADDR) #define _PAGE_BIT_PRESENT 0 @@ -159,7 +164,7 @@ static inline pte_t ptep_get_and_clear_full(struct mm_struct *mm, unsigned long #define _PAGE_GLOBAL 0x100 /* Global TLB entry */ #define _PAGE_PROTNONE 0x080 /* If not present */ -#define _PAGE_NX (1UL<<_PAGE_BIT_NX) +#define _PAGE_NX (_AC(1,UL)<<_PAGE_BIT_NX) #define _PAGE_TABLE (_PAGE_PRESENT | _PAGE_RW | _PAGE_USER | _PAGE_ACCESSED | _PAGE_DIRTY) #define _KERNPG_TABLE (_PAGE_PRESENT | _PAGE_RW | _PAGE_ACCESSED | _PAGE_DIRTY) @@ -221,6 +226,8 @@ static inline pte_t ptep_get_and_clear_full(struct mm_struct *mm, unsigned long #define __S110 PAGE_SHARED_EXEC #define __S111 PAGE_SHARED_EXEC +#ifndef __ASSEMBLY__ + static inline unsigned long pgd_bad(pgd_t pgd) { return pgd_val(pgd) & ~(PTE_MASK | _KERNPG_TABLE | _PAGE_USER); @@ -403,11 +410,9 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) #define __swp_entry_to_pte(x) ((pte_t) { (x).val }) extern spinlock_t pgd_lock; -extern struct page *pgd_list; +extern struct list_head pgd_list; void vmalloc_sync_all(void); -#endif /* !__ASSEMBLY__ */ - extern int kern_addr_valid(unsigned long addr); #define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ @@ -437,5 +442,6 @@ extern int kern_addr_valid(unsigned long addr); #define __HAVE_ARCH_PTEP_SET_WRPROTECT #define __HAVE_ARCH_PTE_SAME #include <asm-generic/pgtable.h> +#endif /* !__ASSEMBLY__ */ #endif /* _X86_64_PGTABLE_H */ |