X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-arm%2Fpgtable.h;fp=include%2Fasm-arm%2Fpgtable.h;h=e85c08d78ddadf5e85f14818fc858c94692e40d2;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=a9892eb42a235f447df175be3a91e69dad8b6f4b;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git diff --git a/include/asm-arm/pgtable.h b/include/asm-arm/pgtable.h index a9892eb42..e85c08d78 100644 --- a/include/asm-arm/pgtable.h +++ b/include/asm-arm/pgtable.h @@ -136,74 +136,6 @@ extern void __pgd_error(const char *file, int line, unsigned long val); #define SUPERSECTION_SIZE (1UL << SUPERSECTION_SHIFT) #define SUPERSECTION_MASK (~(SUPERSECTION_SIZE-1)) -/* - * Hardware page table definitions. - * - * + Level 1 descriptor (PMD) - * - common - */ -#define PMD_TYPE_MASK (3 << 0) -#define PMD_TYPE_FAULT (0 << 0) -#define PMD_TYPE_TABLE (1 << 0) -#define PMD_TYPE_SECT (2 << 0) -#define PMD_BIT4 (1 << 4) -#define PMD_DOMAIN(x) ((x) << 5) -#define PMD_PROTECTION (1 << 9) /* v5 */ -/* - * - section - */ -#define PMD_SECT_BUFFERABLE (1 << 2) -#define PMD_SECT_CACHEABLE (1 << 3) -#define PMD_SECT_AP_WRITE (1 << 10) -#define PMD_SECT_AP_READ (1 << 11) -#define PMD_SECT_TEX(x) ((x) << 12) /* v5 */ -#define PMD_SECT_APX (1 << 15) /* v6 */ -#define PMD_SECT_S (1 << 16) /* v6 */ -#define PMD_SECT_nG (1 << 17) /* v6 */ -#define PMD_SECT_SUPER (1 << 18) /* v6 */ - -#define PMD_SECT_UNCACHED (0) -#define PMD_SECT_BUFFERED (PMD_SECT_BUFFERABLE) -#define PMD_SECT_WT (PMD_SECT_CACHEABLE) -#define PMD_SECT_WB (PMD_SECT_CACHEABLE | PMD_SECT_BUFFERABLE) -#define PMD_SECT_MINICACHE (PMD_SECT_TEX(1) | PMD_SECT_CACHEABLE) -#define PMD_SECT_WBWA (PMD_SECT_TEX(1) | PMD_SECT_CACHEABLE | PMD_SECT_BUFFERABLE) - -/* - * - coarse table (not used) - */ - -/* - * + Level 2 descriptor (PTE) - * - common - */ -#define PTE_TYPE_MASK (3 << 0) -#define PTE_TYPE_FAULT (0 << 0) -#define PTE_TYPE_LARGE (1 << 0) -#define PTE_TYPE_SMALL (2 << 0) -#define PTE_TYPE_EXT (3 << 0) /* v5 */ -#define PTE_BUFFERABLE (1 << 2) -#define PTE_CACHEABLE (1 << 3) - -/* - * - extended small page/tiny page - */ -#define PTE_EXT_AP_MASK (3 << 4) -#define PTE_EXT_AP_UNO_SRO (0 << 4) -#define PTE_EXT_AP_UNO_SRW (1 << 4) -#define PTE_EXT_AP_URO_SRW (2 << 4) -#define PTE_EXT_AP_URW_SRW (3 << 4) -#define PTE_EXT_TEX(x) ((x) << 6) /* v5 */ - -/* - * - small page - */ -#define PTE_SMALL_AP_MASK (0xff << 4) -#define PTE_SMALL_AP_UNO_SRO (0x00 << 4) -#define PTE_SMALL_AP_UNO_SRW (0x55 << 4) -#define PTE_SMALL_AP_URO_SRW (0xaa << 4) -#define PTE_SMALL_AP_URW_SRW (0xff << 4) - /* * "Linux" PTE definitions. * @@ -224,14 +156,12 @@ extern void __pgd_error(const char *file, int line, unsigned long val); #define L_PTE_WRITE (1 << 5) #define L_PTE_EXEC (1 << 6) #define L_PTE_DIRTY (1 << 7) +#define L_PTE_COHERENT (1 << 9) /* I/O coherent (xsc3) */ +#define L_PTE_SHARED (1 << 10) /* shared between CPUs (v6) */ +#define L_PTE_ASID (1 << 11) /* non-global (use ASID, v6) */ #ifndef __ASSEMBLY__ -#include - -#define _PAGE_USER_TABLE (PMD_TYPE_TABLE | PMD_BIT4 | PMD_DOMAIN(DOMAIN_USER)) -#define _PAGE_KERNEL_TABLE (PMD_TYPE_TABLE | PMD_BIT4 | PMD_DOMAIN(DOMAIN_KERNEL)) - /* * The following macros handle the cache and bufferable bits... */ @@ -389,9 +319,6 @@ static inline pte_t *pmd_page_kernel(pmd_t pmd) #define pgd_clear(pgdp) do { } while (0) #define set_pgd(pgd,pgdp) do { } while (0) -#define page_pte_prot(page,prot) mk_pte(page, prot) -#define page_pte(page) mk_pte(page, __pgprot(0)) - /* to find an entry in a page-table-directory */ #define pgd_index(addr) ((addr) >> PGDIR_SHIFT) @@ -437,12 +364,9 @@ extern pgd_t swapper_pg_dir[PTRS_PER_PGD]; #define HAVE_ARCH_UNMAPPED_AREA /* - * remap a physical address `phys' of size `size' with page protection `prot' + * remap a physical page `pfn' of size `size' with page protection `prot' * into virtual address `from' */ -#define io_remap_page_range(vma,from,phys,size,prot) \ - remap_pfn_range(vma, from, (phys) >> PAGE_SHIFT, size, prot) - #define io_remap_pfn_range(vma,from,pfn,size,prot) \ remap_pfn_range(vma, from, pfn, size, prot)