diff options
Diffstat (limited to 'arch/mips/include/asm/pgtable-32.h')
| -rw-r--r-- | arch/mips/include/asm/pgtable-32.h | 104 |
1 files changed, 53 insertions, 51 deletions
diff --git a/arch/mips/include/asm/pgtable-32.h b/arch/mips/include/asm/pgtable-32.h index cd7d6064bcbe..68984b612f9d 100644 --- a/arch/mips/include/asm/pgtable-32.h +++ b/arch/mips/include/asm/pgtable-32.h @@ -69,7 +69,7 @@ extern int add_temporary_entry(unsigned long entrylo0, unsigned long entrylo1, # define VMALLOC_END (FIXADDR_START-2*PAGE_SIZE) #endif -#ifdef CONFIG_64BIT_PHYS_ADDR +#ifdef CONFIG_PHYS_ADDR_T_64BIT #define pte_ERROR(e) \ printk("%s:%d: bad pte %016Lx.\n", __FILE__, __LINE__, pte_val(e)) #else @@ -103,7 +103,7 @@ static inline void pmd_clear(pmd_t *pmdp) pmd_val(*pmdp) = ((unsigned long) invalid_pte_table); } -#if defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32) +#if defined(CONFIG_PHYS_ADDR_T_64BIT) && defined(CONFIG_CPU_MIPS32) #define pte_page(x) pfn_to_page(pte_pfn(x)) #define pte_pfn(x) ((unsigned long)((x).pte_high >> 6)) static inline pte_t @@ -126,7 +126,7 @@ pfn_pte(unsigned long pfn, pgprot_t prot) #define pte_pfn(x) ((unsigned long)((x).pte >> _PFN_SHIFT)) #define pfn_pte(pfn, prot) __pte(((unsigned long long)(pfn) << _PFN_SHIFT) | pgprot_val(prot)) #endif -#endif /* defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32) */ +#endif /* defined(CONFIG_PHYS_ADDR_T_64BIT) && defined(CONFIG_CPU_MIPS32) */ #define __pgd_offset(address) pgd_index(address) #define __pud_offset(address) (((address) >> PUD_SHIFT) & (PTRS_PER_PUD-1)) @@ -155,73 +155,75 @@ pfn_pte(unsigned long pfn, pgprot_t prot) #if defined(CONFIG_CPU_R3000) || defined(CONFIG_CPU_TX39XX) /* Swap entries must have VALID bit cleared. */ -#define __swp_type(x) (((x).val >> 10) & 0x1f) -#define __swp_offset(x) ((x).val >> 15) -#define __swp_entry(type,offset) \ - ((swp_entry_t) { ((type) << 10) | ((offset) << 15) }) +#define __swp_type(x) (((x).val >> 10) & 0x1f) +#define __swp_offset(x) ((x).val >> 15) +#define __swp_entry(type,offset) ((swp_entry_t) { ((type) << 10) | ((offset) << 15) }) +#define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) }) +#define __swp_entry_to_pte(x) ((pte_t) { (x).val }) /* - * Bits 0, 4, 8, and 9 are taken, split up 28 bits of offset into this range: + * Encode and decode a nonlinear file mapping entry */ -#define PTE_FILE_MAX_BITS 28 - -#define pte_to_pgoff(_pte) ((((_pte).pte >> 1 ) & 0x07) | \ - (((_pte).pte >> 2 ) & 0x38) | \ - (((_pte).pte >> 10) << 6 )) +#define pte_to_pgoff(_pte) ((((_pte).pte >> 1 ) & 0x07) | \ + (((_pte).pte >> 2 ) & 0x38) | \ + (((_pte).pte >> 10) << 6 )) -#define pgoff_to_pte(off) ((pte_t) { (((off) & 0x07) << 1 ) | \ - (((off) & 0x38) << 2 ) | \ - (((off) >> 6 ) << 10) | \ - _PAGE_FILE }) +#define pgoff_to_pte(off) ((pte_t) { (((off) & 0x07) << 1 ) | \ + (((off) & 0x38) << 2 ) | \ + (((off) >> 6 ) << 10) | \ + _PAGE_FILE }) +/* + * Bits 0, 4, 8, and 9 are taken, split up 28 bits of offset into this range: + */ +#define PTE_FILE_MAX_BITS 28 #else +#if defined(CONFIG_PHYS_ADDR_T_64BIT) && defined(CONFIG_CPU_MIPS32) + /* Swap entries must have VALID and GLOBAL bits cleared. */ -#if defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32) -#define __swp_type(x) (((x).val >> 2) & 0x1f) -#define __swp_offset(x) ((x).val >> 7) -#define __swp_entry(type,offset) \ - ((swp_entry_t) { ((type) << 2) | ((offset) << 7) }) -#else -#define __swp_type(x) (((x).val >> 8) & 0x1f) -#define __swp_offset(x) ((x).val >> 13) -#define __swp_entry(type,offset) \ - ((swp_entry_t) { ((type) << 8) | ((offset) << 13) }) -#endif /* defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32) */ +#define __swp_type(x) (((x).val >> 2) & 0x1f) +#define __swp_offset(x) ((x).val >> 7) +#define __swp_entry(type,offset) ((swp_entry_t) { ((type) << 2) | ((offset) << 7) }) +#define __pte_to_swp_entry(pte) ((swp_entry_t) { (pte).pte_high }) +#define __swp_entry_to_pte(x) ((pte_t) { 0, (x).val }) -#if defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32) /* * Bits 0 and 1 of pte_high are taken, use the rest for the page offset... */ -#define PTE_FILE_MAX_BITS 30 - -#define pte_to_pgoff(_pte) ((_pte).pte_high >> 2) -#define pgoff_to_pte(off) ((pte_t) { _PAGE_FILE, (off) << 2 }) +#define pte_to_pgoff(_pte) ((_pte).pte_high >> 2) +#define pgoff_to_pte(off) ((pte_t) { _PAGE_FILE, (off) << 2 }) +#define PTE_FILE_MAX_BITS 30 #else /* - * Bits 0, 4, 6, and 7 are taken, split up 28 bits of offset into this range: + * Constraints: + * _PAGE_PRESENT at bit 0 + * _PAGE_MODIFIED at bit 4 + * _PAGE_GLOBAL at bit 6 + * _PAGE_VALID at bit 7 */ -#define PTE_FILE_MAX_BITS 28 +#define __swp_type(x) (((x).val >> 8) & 0x1f) +#define __swp_offset(x) ((x).val >> 13) +#define __swp_entry(type,offset) ((swp_entry_t) { ((type) << 8) | ((offset) << 13) }) +#define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) }) +#define __swp_entry_to_pte(x) ((pte_t) { (x).val }) -#define pte_to_pgoff(_pte) ((((_pte).pte >> 1) & 0x7) | \ - (((_pte).pte >> 2) & 0x8) | \ - (((_pte).pte >> 8) << 4)) +/* + * Encode and decode a nonlinear file mapping entry + */ +#define pte_to_pgoff(_pte) ((((_pte).pte >> 1) & 0x7) | \ + (((_pte).pte >> 2) & 0x8) | \ + (((_pte).pte >> 8) << 4)) -#define pgoff_to_pte(off) ((pte_t) { (((off) & 0x7) << 1) | \ - (((off) & 0x8) << 2) | \ - (((off) >> 4) << 8) | \ - _PAGE_FILE }) -#endif +#define pgoff_to_pte(off) ((pte_t) { (((off) & 0x7) << 1) | \ + (((off) & 0x8) << 2) | \ + (((off) >> 4) << 8) | \ + _PAGE_FILE }) -#endif +#define PTE_FILE_MAX_BITS 28 +#endif /* defined(CONFIG_PHYS_ADDR_T_64BIT) && defined(CONFIG_CPU_MIPS32) */ -#if defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32) -#define __pte_to_swp_entry(pte) ((swp_entry_t) { (pte).pte_high }) -#define __swp_entry_to_pte(x) ((pte_t) { 0, (x).val }) -#else -#define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) }) -#define __swp_entry_to_pte(x) ((pte_t) { (x).val }) -#endif +#endif /* defined(CONFIG_CPU_R3000) || defined(CONFIG_CPU_TX39XX) */ #endif /* _ASM_PGTABLE_32_H */ |