diff options
Diffstat (limited to 'arch/x86/include/asm/page_64.h')
| -rw-r--r-- | arch/x86/include/asm/page_64.h | 101 |
1 files changed, 1 insertions, 100 deletions
diff --git a/arch/x86/include/asm/page_64.h b/arch/x86/include/asm/page_64.h index 5ebca29f44f..072694ed81a 100644 --- a/arch/x86/include/asm/page_64.h +++ b/arch/x86/include/asm/page_64.h | |||
| @@ -1,105 +1,6 @@ | |||
| 1 | #ifndef _ASM_X86_PAGE_64_H | 1 | #ifndef _ASM_X86_PAGE_64_H |
| 2 | #define _ASM_X86_PAGE_64_H | 2 | #define _ASM_X86_PAGE_64_H |
| 3 | 3 | ||
| 4 | #define PAGETABLE_LEVELS 4 | 4 | #include <asm/page_64_types.h> |
| 5 | |||
| 6 | #define THREAD_ORDER 1 | ||
| 7 | #define THREAD_SIZE (PAGE_SIZE << THREAD_ORDER) | ||
| 8 | #define CURRENT_MASK (~(THREAD_SIZE - 1)) | ||
| 9 | |||
| 10 | #define EXCEPTION_STACK_ORDER 0 | ||
| 11 | #define EXCEPTION_STKSZ (PAGE_SIZE << EXCEPTION_STACK_ORDER) | ||
| 12 | |||
| 13 | #define DEBUG_STACK_ORDER (EXCEPTION_STACK_ORDER + 1) | ||
| 14 | #define DEBUG_STKSZ (PAGE_SIZE << DEBUG_STACK_ORDER) | ||
| 15 | |||
| 16 | #define IRQSTACK_ORDER 2 | ||
| 17 | #define IRQSTACKSIZE (PAGE_SIZE << IRQSTACK_ORDER) | ||
| 18 | |||
| 19 | #define STACKFAULT_STACK 1 | ||
| 20 | #define DOUBLEFAULT_STACK 2 | ||
| 21 | #define NMI_STACK 3 | ||
| 22 | #define DEBUG_STACK 4 | ||
| 23 | #define MCE_STACK 5 | ||
| 24 | #define N_EXCEPTION_STACKS 5 /* hw limit: 7 */ | ||
| 25 | |||
| 26 | #define PUD_PAGE_SIZE (_AC(1, UL) << PUD_SHIFT) | ||
| 27 | #define PUD_PAGE_MASK (~(PUD_PAGE_SIZE-1)) | ||
| 28 | |||
| 29 | /* | ||
| 30 | * Set __PAGE_OFFSET to the most negative possible address + | ||
| 31 | * PGDIR_SIZE*16 (pgd slot 272). The gap is to allow a space for a | ||
| 32 | * hypervisor to fit. Choosing 16 slots here is arbitrary, but it's | ||
| 33 | * what Xen requires. | ||
| 34 | */ | ||
| 35 | #define __PAGE_OFFSET _AC(0xffff880000000000, UL) | ||
| 36 | |||
| 37 | #define __PHYSICAL_START CONFIG_PHYSICAL_START | ||
| 38 | #define __KERNEL_ALIGN 0x200000 | ||
| 39 | |||
| 40 | /* | ||
| 41 | * Make sure kernel is aligned to 2MB address. Catching it at compile | ||
| 42 | * time is better. Change your config file and compile the kernel | ||
| 43 | * for a 2MB aligned address (CONFIG_PHYSICAL_START) | ||
| 44 | */ | ||
| 45 | #if (CONFIG_PHYSICAL_START % __KERNEL_ALIGN) != 0 | ||
| 46 | #error "CONFIG_PHYSICAL_START must be a multiple of 2MB" | ||
| 47 | #endif | ||
| 48 | |||
| 49 | #define __START_KERNEL (__START_KERNEL_map + __PHYSICAL_START) | ||
| 50 | #define __START_KERNEL_map _AC(0xffffffff80000000, UL) | ||
| 51 | |||
| 52 | /* See Documentation/x86_64/mm.txt for a description of the memory map. */ | ||
| 53 | #define __PHYSICAL_MASK_SHIFT 46 | ||
| 54 | #define __VIRTUAL_MASK_SHIFT 48 | ||
| 55 | |||
| 56 | /* | ||
| 57 | * Kernel image size is limited to 512 MB (see level2_kernel_pgt in | ||
| 58 | * arch/x86/kernel/head_64.S), and it is mapped here: | ||
| 59 | */ | ||
| 60 | #define KERNEL_IMAGE_SIZE (512 * 1024 * 1024) | ||
| 61 | #define KERNEL_IMAGE_START _AC(0xffffffff80000000, UL) | ||
| 62 | |||
| 63 | #ifndef __ASSEMBLY__ | ||
| 64 | void clear_page(void *page); | ||
| 65 | void copy_page(void *to, void *from); | ||
| 66 | |||
| 67 | /* duplicated to the one in bootmem.h */ | ||
| 68 | extern unsigned long max_pfn; | ||
| 69 | extern unsigned long phys_base; | ||
| 70 | |||
| 71 | extern unsigned long __phys_addr(unsigned long); | ||
| 72 | #define __phys_reloc_hide(x) (x) | ||
| 73 | |||
| 74 | /* | ||
| 75 | * These are used to make use of C type-checking.. | ||
| 76 | */ | ||
| 77 | typedef unsigned long pteval_t; | ||
| 78 | typedef unsigned long pmdval_t; | ||
| 79 | typedef unsigned long pudval_t; | ||
| 80 | typedef unsigned long pgdval_t; | ||
| 81 | typedef unsigned long pgprotval_t; | ||
| 82 | |||
| 83 | typedef struct page *pgtable_t; | ||
| 84 | |||
| 85 | typedef struct { pteval_t pte; } pte_t; | ||
| 86 | |||
| 87 | #define vmemmap ((struct page *)VMEMMAP_START) | ||
| 88 | |||
| 89 | extern unsigned long init_memory_mapping(unsigned long start, | ||
| 90 | unsigned long end); | ||
| 91 | |||
| 92 | extern void initmem_init(unsigned long start_pfn, unsigned long end_pfn); | ||
| 93 | extern void free_initmem(void); | ||
| 94 | |||
| 95 | extern void init_extra_mapping_uc(unsigned long phys, unsigned long size); | ||
| 96 | extern void init_extra_mapping_wb(unsigned long phys, unsigned long size); | ||
| 97 | |||
| 98 | #endif /* !__ASSEMBLY__ */ | ||
| 99 | |||
| 100 | #ifdef CONFIG_FLATMEM | ||
| 101 | #define pfn_valid(pfn) ((pfn) < max_pfn) | ||
| 102 | #endif | ||
| 103 | |||
| 104 | 5 | ||
| 105 | #endif /* _ASM_X86_PAGE_64_H */ | 6 | #endif /* _ASM_X86_PAGE_64_H */ |
