1 2 #include <common.h> 3 #include <linux/compat.h> 4 5 struct p_current cur = { 6 .pid = 1, 7 }; 8 __maybe_unused struct p_current *current = &cur; 9 10 unsigned long copy_from_user(void *dest, const void *src, 11 unsigned long count) 12 { 13 memcpy((void *)dest, (void *)src, count); 14 return 0; 15 } 16 17 void *kmalloc(size_t size, int flags) 18 { 19 void *p; 20 21 p = memalign(ARCH_DMA_MINALIGN, size); 22 if (flags & __GFP_ZERO) 23 memset(p, 0, size); 24 25 return p; 26 } 27 28 struct kmem_cache *get_mem(int element_sz) 29 { 30 struct kmem_cache *ret; 31 32 ret = memalign(ARCH_DMA_MINALIGN, sizeof(struct kmem_cache)); 33 ret->sz = element_sz; 34 35 return ret; 36 } 37 38 void *kmem_cache_alloc(struct kmem_cache *obj, int flag) 39 { 40 return memalign(ARCH_DMA_MINALIGN, obj->sz); 41 } 42