memory_utils.h

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#ifndef __MEMORY__MEMORY_UTILS_H__
#define __MEMORY__MEMORY_UTILS_H__
 
#include <type.h>
 
#define ALIGN_UP(x, align)                                                     \
    (((x) + ((uintptr_t) (align) - 1)) & ~((uintptr_t) (align) - 1))
 
#define ALIGN_DOWN(x, align) ((x) & ~((uintptr_t) (align) - 1))
 
#define PHYS2VIRT(x) (uint64_t)((uint64_t) x + 0xffff800000000000UL)
#define VIRT2PHYS(x) (uint64_t)((uint64_t) x - 0xffff800000000000UL)
 
#define PTR_ADD(ptr, off) ((void*) (((uint8_t*) (ptr)) + (off)))
 
#define ASSUME_ALIGNED(ptr, align) __builtin_assume_aligned((ptr), (align))
 
#endif // __MEMORY__MEMORY_UTILS_H__