projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 61d0b5a4 RR |
1 | #ifndef KERNEL_H |
| 2 | #define KERNEL_H | |
| 3 | #include <stdbool.h> | |
| 4 | #include <stdlib.h> | |
| 5 | #include <stddef.h> | |
| 6 | #include <stdio.h> | |
| 7 | #include <string.h> | |
| 8 | #include <assert.h> | |
| 9 | #include <stdarg.h> | |
| 10 | ||
| 11 | #include <linux/types.h> | |
| 12 | #include <linux/printk.h> | |
| 13 | #include <linux/bug.h> | |
| 14 | #include <errno.h> | |
| 15 | #include <unistd.h> | |
| 16 | #include <asm/barrier.h> | |
| 17 | ||
| 18 | #define CONFIG_SMP | |
| 19 | ||
| 20 | #define PAGE_SIZE getpagesize() | |
| 21 | #define PAGE_MASK (~(PAGE_SIZE-1)) | |
| 22 | ||
| 23 | typedef unsigned long long dma_addr_t; | |
| 24 | typedef size_t __kernel_size_t; | |
| 25 | ||
| 26 | struct page { | |
| 27 | unsigned long long dummy; | |
| 28 | }; | |
| 29 | ||
| 30 | /* Physical == Virtual */ | |
| 31 | #define virt_to_phys(p) ((unsigned long)p) | |
| 32 | #define phys_to_virt(a) ((void *)(unsigned long)(a)) | |
| 33 | /* Page address: Virtual / 4K */ | |
| 34 | #define page_to_phys(p) ((dma_addr_t)(unsigned long)(p)) | |
| 35 | #define virt_to_page(p) ((struct page *)((unsigned long)p & PAGE_MASK)) | |
| 36 | ||
| 37 | #define offset_in_page(p) (((unsigned long)p) % PAGE_SIZE) | |
| 38 | ||
| 39 | #define __printf(a,b) __attribute__((format(printf,a,b))) | |
| 40 | ||
| 41 | typedef enum { | |
| 42 | GFP_KERNEL, | |
| 43 | GFP_ATOMIC, | |
| 44 | __GFP_HIGHMEM, | |
| 45 | __GFP_HIGH | |
| 46 | } gfp_t; | |
| 47 | ||
| 48 | #define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0])) | |
| 49 | ||
| 50 | extern void *__kmalloc_fake, *__kfree_ignore_start, *__kfree_ignore_end; | |
| 51 | static inline void *kmalloc(size_t s, gfp_t gfp) | |
| 52 | { | |
| 53 | if (__kmalloc_fake) | |
| 54 | return __kmalloc_fake; | |
| 55 | return malloc(s); | |
| 56 | } | |
| 57 | ||
| 58 | static inline void kfree(void *p) | |
| 59 | { | |
| 60 | if (p >= __kfree_ignore_start && p < __kfree_ignore_end) | |
| 61 | return; | |
| 62 | free(p); | |
| 63 | } | |
| 64 | ||
| 65 | static inline void *krealloc(void *p, size_t s, gfp_t gfp) | |
| 66 | { | |
| 67 | return realloc(p, s); | |
| 68 | } | |
| 69 | ||
| 70 | ||
| 71 | static inline unsigned long __get_free_page(gfp_t gfp) | |
| 72 | { | |
| 73 | void *p; | |
| 74 | ||
| 75 | posix_memalign(&p, PAGE_SIZE, PAGE_SIZE); | |
| 76 | return (unsigned long)p; | |
| 77 | } | |
| 78 | ||
| 79 | static inline void free_page(unsigned long addr) | |
| 80 | { | |
| 81 | free((void *)addr); | |
| 82 | } | |
| 83 | ||
| 84 | #define container_of(ptr, type, member) ({ \ | |
| 85 | const typeof( ((type *)0)->member ) *__mptr = (ptr); \ | |
| 86 | (type *)( (char *)__mptr - offsetof(type,member) );}) | |
| 87 | ||
| 88 | #define uninitialized_var(x) x = x | |
| 89 | ||
| 90 | # ifndef likely | |
| 91 | # define likely(x) (__builtin_expect(!!(x), 1)) | |
| 92 | # endif | |
| 93 | # ifndef unlikely | |
| 94 | # define unlikely(x) (__builtin_expect(!!(x), 0)) | |
| 95 | # endif | |
| 96 | ||
| 97 | #define pr_err(format, ...) fprintf (stderr, format, ## __VA_ARGS__) | |
| 98 | #ifdef DEBUG | |
| 99 | #define pr_debug(format, ...) fprintf (stderr, format, ## __VA_ARGS__) | |
| 100 | #else | |
| 101 | #define pr_debug(format, ...) do {} while (0) | |
| 102 | #endif | |
| 103 | #define dev_err(dev, format, ...) fprintf (stderr, format, ## __VA_ARGS__) | |
| 104 | #define dev_warn(dev, format, ...) fprintf (stderr, format, ## __VA_ARGS__) | |
| 105 | ||
| 106 | #define min(x, y) ({ \ | |
| 107 | typeof(x) _min1 = (x); \ | |
| 108 | typeof(y) _min2 = (y); \ | |
| 109 | (void) (&_min1 == &_min2); \ | |
| 110 | _min1 < _min2 ? _min1 : _min2; }) | |
| 111 | ||
| 112 | #endif /* KERNEL_H */ |