11 #include <linux/types.h>
12 #include <linux/printk.h>
13 #include <linux/bug.h>
16 #include <asm/barrier.h>
20 #define PAGE_SIZE getpagesize()
21 #define PAGE_MASK (~(PAGE_SIZE-1))
23 typedef unsigned long long dma_addr_t;
24 typedef size_t __kernel_size_t;
27 unsigned long long dummy;
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))
37 #define offset_in_page(p) (((unsigned long)p) % PAGE_SIZE)
39 #define __printf(a,b) __attribute__((format(printf,a,b)))
41 #define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0]))
43 extern void *__kmalloc_fake, *__kfree_ignore_start, *__kfree_ignore_end;
44 static inline void *kmalloc(size_t s, gfp_t gfp)
47 return __kmalloc_fake;
51 static inline void kfree(void *p)
53 if (p >= __kfree_ignore_start && p < __kfree_ignore_end)
58 static inline void *krealloc(void *p, size_t s, gfp_t gfp)
64 static inline unsigned long __get_free_page(gfp_t gfp)
68 posix_memalign(&p, PAGE_SIZE, PAGE_SIZE);
69 return (unsigned long)p;
72 static inline void free_page(unsigned long addr)
77 #define container_of(ptr, type, member) ({ \
78 const typeof( ((type *)0)->member ) *__mptr = (ptr); \
79 (type *)( (char *)__mptr - offsetof(type,member) );})
81 #define uninitialized_var(x) x = x
84 # define likely(x) (__builtin_expect(!!(x), 1))
87 # define unlikely(x) (__builtin_expect(!!(x), 0))
90 #define pr_err(format, ...) fprintf (stderr, format, ## __VA_ARGS__)
92 #define pr_debug(format, ...) fprintf (stderr, format, ## __VA_ARGS__)
94 #define pr_debug(format, ...) do {} while (0)
96 #define dev_err(dev, format, ...) fprintf (stderr, format, ## __VA_ARGS__)
97 #define dev_warn(dev, format, ...) fprintf (stderr, format, ## __VA_ARGS__)
99 #define min(x, y) ({ \
100 typeof(x) _min1 = (x); \
101 typeof(y) _min2 = (y); \
102 (void) (&_min1 == &_min2); \
103 _min1 < _min2 ? _min1 : _min2; })
105 #endif /* KERNEL_H */