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#ifndef __ARM_UNALIGNED_H
#define __ARM_UNALIGNED_H
#define get_unaligned(ptr) \
((__typeof__(*(ptr)))__get_unaligned((ptr), sizeof(*(ptr))))
#define put_unaligned(val, ptr) \
__put_unaligned((unsigned long)(val), (ptr), sizeof(*(ptr)))
extern void bad_unaligned_access_length (void);
extern inline unsigned long __get_unaligned(const void *ptr, size_t size)
{
unsigned long val;
switch (size) {
case 1:
val = *(const unsigned char *)ptr;
break;
case 2:
val = ((const unsigned char *)ptr)[0] | (((const unsigned char *)ptr)[1] << 8);
break;
case 4:
val = ((const unsigned char *)ptr)[0] | (((const unsigned char *)ptr)[1] << 8) |
(((const unsigned char *)ptr)[2]) << 16 | (((const unsigned char *)ptr)[3] << 24);
break;
default:
bad_unaligned_access_length ();
}
return val;
}
extern inline void __put_unaligned(unsigned long val, void *ptr, size_t size)
{
switch (size) {
case 1:
*(unsigned char *)ptr = val;
break;
case 2:
((unsigned char *)ptr)[0] = val;
((unsigned char *)ptr)[1] = val >> 8;
break;
case 4:
((unsigned char *)ptr)[0] = val;
((unsigned char *)ptr)[1] = val >> 8;
((unsigned char *)ptr)[2] = val >> 16;
((unsigned char *)ptr)[3] = val >> 24;
break;
default:
bad_unaligned_access_length ();
}
}
#endif
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