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