kerncompat.h

   1 #ifndef __KERNCOMPAT
   2 #define __KERNCOMPAT
   3 #define gfp_t int
   4 #define get_cpu_var(p) (p)
   5 #define __get_cpu_var(p) (p)
   6 #define BITS_PER_LONG 64
   7 #define __GFP_BITS_SHIFT 20
   8 #define __GFP_BITS_MASK ((int)((1 << __GFP_BITS_SHIFT) - 1))
   9 #define GFP_KERNEL 0
  10 #define __read_mostly
  11 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
  12 #define PAGE_SHIFT 12
  13 #define ULONG_MAX       (~0UL)
  14 #define BUG() abort()
  15 #ifdef __CHECKER__
  16 #define __force    __attribute__((force))
  17 #define __bitwise__ __attribute__((bitwise))
  18 #else
  19 #define __force
  20 #define __bitwise__
  21 #endif
  22
  23 typedef unsigned int u32;
  24 typedef unsigned long long u64;
  25 typedef unsigned char u8;
  26 typedef unsigned short u16;
  27
  28 typedef unsigned long pgoff_t;
  29
  30 #include <stdio.h>
  31 #include <stdlib.h>
  32 #include <string.h>
  33
  34 struct vma_shared { int prio_tree_node; };
  35 struct vm_area_struct {
  36         unsigned long vm_pgoff;
  37         unsigned long vm_start;
  38         unsigned long vm_end;
  39         struct vma_shared shared;
  40 };
  41
  42 struct page {
  43         unsigned long index;
  44 };
  45
  46 static inline void preempt_enable(void) { do {; } while(0);}
  47 static inline void preempt_disable(void) { do {; } while(0);}
  48
  49 static inline void __set_bit(int bit, unsigned long *map) {
  50         unsigned long *p = map + bit / BITS_PER_LONG;
  51         bit = bit & (BITS_PER_LONG -1);
  52         *p |= 1UL << bit;
  53 }
  54
  55 static inline int test_bit(int bit, unsigned long *map) {
  56         unsigned long *p = map + bit / BITS_PER_LONG;
  57         bit = bit & (BITS_PER_LONG -1);
  58         return *p & (1UL << bit) ? 1 : 0;
  59 }
  60
  61 static inline void __clear_bit(int bit, unsigned long *map) {
  62         unsigned long *p = map + bit / BITS_PER_LONG;
  63         bit = bit & (BITS_PER_LONG -1);
  64         *p &= ~(1UL << bit);
  65 }
  66 #define BUG_ON(c) do { if (c) abort(); } while (0)
  67
  68 #define container_of(ptr, type, member) ({                      \
  69         const typeof( ((type *)0)->member ) *__mptr = (ptr);    \
  70                 (type *)( (char *)__mptr - __builtin_offsetof(type,member) );})
  71
  72 #define ENOMEM 5
  73 #define EEXIST 6
  74
  75 #define __CHECK_ENDIAN__
  76 #ifdef __CHECK_ENDIAN__
  77 #define __bitwise __bitwise__
  78 #else
  79 #define __bitwise
  80 #endif
  81
  82 typedef u16 __bitwise __le16;
  83 typedef u16 __bitwise __be16;
  84 typedef u32 __bitwise __le32;
  85 typedef u32 __bitwise __be32;
  86 typedef u64 __bitwise __le64;
  87 typedef u64 __bitwise __be64;
  88
  89 #define cpu_to_le64(x) ((__force __le64)(u64)(x))
  90 #define le64_to_cpu(x) ((__force u64)(__le64)(x))
  91 #define cpu_to_le32(x) ((__force __le32)(u32)(x))
  92 #define le32_to_cpu(x) ((__force u32)(__le32)(x))
  93 #define cpu_to_le16(x) ((__force __le16)(u16)(x))
  94 #define le16_to_cpu(x) ((__force u16)(__le16)(x))
  95 #endif