diff options
Diffstat (limited to 'include/asm-sparc/page_32.h')
| -rw-r--r-- | include/asm-sparc/page_32.h | 160 |
1 files changed, 0 insertions, 160 deletions
diff --git a/include/asm-sparc/page_32.h b/include/asm-sparc/page_32.h deleted file mode 100644 index cf5fb70ca1c1..000000000000 --- a/include/asm-sparc/page_32.h +++ /dev/null | |||
| @@ -1,160 +0,0 @@ | |||
| 1 | /* | ||
| 2 | * page.h: Various defines and such for MMU operations on the Sparc for | ||
| 3 | * the Linux kernel. | ||
| 4 | * | ||
| 5 | * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) | ||
| 6 | */ | ||
| 7 | |||
| 8 | #ifndef _SPARC_PAGE_H | ||
| 9 | #define _SPARC_PAGE_H | ||
| 10 | |||
| 11 | #ifdef CONFIG_SUN4 | ||
| 12 | #define PAGE_SHIFT 13 | ||
| 13 | #else | ||
| 14 | #define PAGE_SHIFT 12 | ||
| 15 | #endif | ||
| 16 | #ifndef __ASSEMBLY__ | ||
| 17 | /* I have my suspicions... -DaveM */ | ||
| 18 | #define PAGE_SIZE (1UL << PAGE_SHIFT) | ||
| 19 | #else | ||
| 20 | #define PAGE_SIZE (1 << PAGE_SHIFT) | ||
| 21 | #endif | ||
| 22 | #define PAGE_MASK (~(PAGE_SIZE-1)) | ||
| 23 | |||
| 24 | #include <asm/btfixup.h> | ||
| 25 | |||
| 26 | #ifndef __ASSEMBLY__ | ||
| 27 | |||
| 28 | #define clear_page(page) memset((void *)(page), 0, PAGE_SIZE) | ||
| 29 | #define copy_page(to,from) memcpy((void *)(to), (void *)(from), PAGE_SIZE) | ||
| 30 | #define clear_user_page(addr, vaddr, page) \ | ||
| 31 | do { clear_page(addr); \ | ||
| 32 | sparc_flush_page_to_ram(page); \ | ||
| 33 | } while (0) | ||
| 34 | #define copy_user_page(to, from, vaddr, page) \ | ||
| 35 | do { copy_page(to, from); \ | ||
| 36 | sparc_flush_page_to_ram(page); \ | ||
| 37 | } while (0) | ||
| 38 | |||
| 39 | /* The following structure is used to hold the physical | ||
| 40 | * memory configuration of the machine. This is filled in | ||
| 41 | * prom_meminit() and is later used by mem_init() to set up | ||
| 42 | * mem_map[]. We statically allocate SPARC_PHYS_BANKS+1 of | ||
| 43 | * these structs, this is arbitrary. The entry after the | ||
| 44 | * last valid one has num_bytes==0. | ||
| 45 | */ | ||
| 46 | struct sparc_phys_banks { | ||
| 47 | unsigned long base_addr; | ||
| 48 | unsigned long num_bytes; | ||
| 49 | }; | ||
| 50 | |||
| 51 | #define SPARC_PHYS_BANKS 32 | ||
| 52 | |||
| 53 | extern struct sparc_phys_banks sp_banks[SPARC_PHYS_BANKS+1]; | ||
| 54 | |||
| 55 | /* Cache alias structure. Entry is valid if context != -1. */ | ||
| 56 | struct cache_palias { | ||
| 57 | unsigned long vaddr; | ||
| 58 | int context; | ||
| 59 | }; | ||
| 60 | |||
| 61 | /* passing structs on the Sparc slow us down tremendously... */ | ||
| 62 | |||
| 63 | /* #define STRICT_MM_TYPECHECKS */ | ||
| 64 | |||
| 65 | #ifdef STRICT_MM_TYPECHECKS | ||
| 66 | /* | ||
| 67 | * These are used to make use of C type-checking.. | ||
| 68 | */ | ||
| 69 | typedef struct { unsigned long pte; } pte_t; | ||
| 70 | typedef struct { unsigned long iopte; } iopte_t; | ||
| 71 | typedef struct { unsigned long pmdv[16]; } pmd_t; | ||
| 72 | typedef struct { unsigned long pgd; } pgd_t; | ||
| 73 | typedef struct { unsigned long ctxd; } ctxd_t; | ||
| 74 | typedef struct { unsigned long pgprot; } pgprot_t; | ||
| 75 | typedef struct { unsigned long iopgprot; } iopgprot_t; | ||
| 76 | |||
| 77 | #define pte_val(x) ((x).pte) | ||
| 78 | #define iopte_val(x) ((x).iopte) | ||
| 79 | #define pmd_val(x) ((x).pmdv[0]) | ||
| 80 | #define pgd_val(x) ((x).pgd) | ||
| 81 | #define ctxd_val(x) ((x).ctxd) | ||
| 82 | #define pgprot_val(x) ((x).pgprot) | ||
| 83 | #define iopgprot_val(x) ((x).iopgprot) | ||
| 84 | |||
| 85 | #define __pte(x) ((pte_t) { (x) } ) | ||
| 86 | #define __iopte(x) ((iopte_t) { (x) } ) | ||
| 87 | /* #define __pmd(x) ((pmd_t) { (x) } ) */ /* XXX procedure with loop */ | ||
| 88 | #define __pgd(x) ((pgd_t) { (x) } ) | ||
| 89 | #define __ctxd(x) ((ctxd_t) { (x) } ) | ||
| 90 | #define __pgprot(x) ((pgprot_t) { (x) } ) | ||
| 91 | #define __iopgprot(x) ((iopgprot_t) { (x) } ) | ||
| 92 | |||
| 93 | #else | ||
| 94 | /* | ||
| 95 | * .. while these make it easier on the compiler | ||
| 96 | */ | ||
| 97 | typedef unsigned long pte_t; | ||
| 98 | typedef unsigned long iopte_t; | ||
| 99 | typedef struct { unsigned long pmdv[16]; } pmd_t; | ||
| 100 | typedef unsigned long pgd_t; | ||
| 101 | typedef unsigned long ctxd_t; | ||
| 102 | typedef unsigned long pgprot_t; | ||
| 103 | typedef unsigned long iopgprot_t; | ||
| 104 | |||
| 105 | #define pte_val(x) (x) | ||
| 106 | #define iopte_val(x) (x) | ||
| 107 | #define pmd_val(x) ((x).pmdv[0]) | ||
| 108 | #define pgd_val(x) (x) | ||
| 109 | #define ctxd_val(x) (x) | ||
| 110 | #define pgprot_val(x) (x) | ||
| 111 | #define iopgprot_val(x) (x) | ||
| 112 | |||
| 113 | #define __pte(x) (x) | ||
| 114 | #define __iopte(x) (x) | ||
| 115 | /* #define __pmd(x) (x) */ /* XXX later */ | ||
| 116 | #define __pgd(x) (x) | ||
| 117 | #define __ctxd(x) (x) | ||
| 118 | #define __pgprot(x) (x) | ||
| 119 | #define __iopgprot(x) (x) | ||
| 120 | |||
| 121 | #endif | ||
| 122 | |||
| 123 | typedef struct page *pgtable_t; | ||
| 124 | |||
| 125 | extern unsigned long sparc_unmapped_base; | ||
| 126 | |||
| 127 | BTFIXUPDEF_SETHI(sparc_unmapped_base) | ||
| 128 | |||
| 129 | #define TASK_UNMAPPED_BASE BTFIXUP_SETHI(sparc_unmapped_base) | ||
| 130 | |||
| 131 | #else /* !(__ASSEMBLY__) */ | ||
| 132 | |||
| 133 | #define __pgprot(x) (x) | ||
| 134 | |||
| 135 | #endif /* !(__ASSEMBLY__) */ | ||
| 136 | |||
| 137 | #define PAGE_OFFSET 0xf0000000 | ||
| 138 | #ifndef __ASSEMBLY__ | ||
| 139 | extern unsigned long phys_base; | ||
| 140 | extern unsigned long pfn_base; | ||
| 141 | #endif | ||
| 142 | #define __pa(x) ((unsigned long)(x) - PAGE_OFFSET + phys_base) | ||
| 143 | #define __va(x) ((void *)((unsigned long) (x) - phys_base + PAGE_OFFSET)) | ||
| 144 | |||
| 145 | #define virt_to_phys __pa | ||
| 146 | #define phys_to_virt __va | ||
| 147 | |||
| 148 | #define ARCH_PFN_OFFSET (pfn_base) | ||
| 149 | #define virt_to_page(kaddr) (mem_map + ((((unsigned long)(kaddr)-PAGE_OFFSET)>>PAGE_SHIFT))) | ||
| 150 | |||
| 151 | #define pfn_valid(pfn) (((pfn) >= (pfn_base)) && (((pfn)-(pfn_base)) < max_mapnr)) | ||
| 152 | #define virt_addr_valid(kaddr) ((((unsigned long)(kaddr)-PAGE_OFFSET)>>PAGE_SHIFT) < max_mapnr) | ||
| 153 | |||
| 154 | #define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \ | ||
| 155 | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) | ||
| 156 | |||
| 157 | #include <asm-generic/memory_model.h> | ||
| 158 | #include <asm-generic/page.h> | ||
| 159 | |||
| 160 | #endif /* _SPARC_PAGE_H */ | ||
