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#ifndef _LINUX_MM_H
#define _LINUX_MM_H
#include <assert.h>
#include <string.h>
#include <stdlib.h>
#include <errno.h>
#include <limits.h>
#include <stdio.h>
typedef unsigned long dma_addr_t;
#define unlikely
#define BUG_ON(x) assert(!(x))
#define WARN_ON(condition) ({ \
int __ret_warn_on = !!(condition); \
unlikely(__ret_warn_on); \
})
#define WARN_ON_ONCE(condition) ({ \
int __ret_warn_on = !!(condition); \
if (unlikely(__ret_warn_on)) \
assert(0); \
unlikely(__ret_warn_on); \
})
#define PAGE_SIZE (4096)
#define PAGE_SHIFT (12)
#define PAGE_MASK (~(PAGE_SIZE-1))
#define __ALIGN_KERNEL(x, a) __ALIGN_KERNEL_MASK(x, (typeof(x))(a) - 1)
#define __ALIGN_KERNEL_MASK(x, mask) (((x) + (mask)) & ~(mask))
#define ALIGN(x, a) __ALIGN_KERNEL((x), (a))
#define ALIGN_DOWN(x, a) __ALIGN_KERNEL((x) - ((a) - 1), (a))
#define PAGE_ALIGN(addr) ALIGN(addr, PAGE_SIZE)
#define offset_in_page(p) ((unsigned long)(p) & ~PAGE_MASK)
#define virt_to_page(x) ((void *)x)
#define page_address(x) ((void *)x)
static inline unsigned long page_to_phys(struct page *page)
{
assert(0);
return 0;
}
#define page_to_pfn(page) ((unsigned long)(page) / PAGE_SIZE)
#define pfn_to_page(pfn) (void *)((pfn) * PAGE_SIZE)
#define nth_page(page,n) pfn_to_page(page_to_pfn((page)) + (n))
#define __min(t1, t2, min1, min2, x, y) ({ \
t1 min1 = (x); \
t2 min2 = (y); \
(void) (&min1 == &min2); \
min1 < min2 ? min1 : min2; })
#define ___PASTE(a,b) a##b
#define __PASTE(a,b) ___PASTE(a,b)
#define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
#define min(x, y) \
__min(typeof(x), typeof(y), \
__UNIQUE_ID(min1_), __UNIQUE_ID(min2_), \
x, y)
#define min_t(type, x, y) \
__min(type, type, \
__UNIQUE_ID(min1_), __UNIQUE_ID(min2_), \
x, y)
#define preemptible() (1)
static inline void *kmap(struct page *page)
{
assert(0);
return NULL;
}
static inline void *kmap_atomic(struct page *page)
{
assert(0);
return NULL;
}
static inline void kunmap(void *addr)
{
assert(0);
}
static inline void kunmap_atomic(void *addr)
{
assert(0);
}
static inline unsigned long __get_free_page(unsigned int flags)
{
return (unsigned long)malloc(PAGE_SIZE);
}
static inline void free_page(unsigned long page)
{
free((void *)page);
}
static inline void *kmalloc(unsigned int size, unsigned int flags)
{
return malloc(size);
}
static inline void *
kmalloc_array(unsigned int n, unsigned int size, unsigned int flags)
{
return malloc(n * size);
}
#define kfree(x) free(x)
#define kmemleak_alloc(a, b, c, d)
#define kmemleak_free(a)
#define PageSlab(p) (0)
#define MAX_ERRNO 4095
#define IS_ERR_VALUE(x) unlikely((unsigned long)(void *)(x) >= (unsigned long)-MAX_ERRNO)
static inline void * __must_check ERR_PTR(long error)
{
return (void *) error;
}
static inline long __must_check PTR_ERR(__force const void *ptr)
{
return (long) ptr;
}
static inline bool __must_check IS_ERR(__force const void *ptr)
{
return IS_ERR_VALUE((unsigned long)ptr);
}
static inline int __must_check PTR_ERR_OR_ZERO(__force const void *ptr)
{
if (IS_ERR(ptr))
return PTR_ERR(ptr);
else
return 0;
}
#define IS_ENABLED(x) (0)
#endif
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