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20 lines
618 B
C
20 lines
618 B
C
#ifndef MEM_READ_WRITE_H
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#define MEM_READ_WRITE_H
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/** @file Set of macros for accessing integers of various sizes and endianness
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in host memory.
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*/
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/* read a unaligned big-endian WORD (16bit) */
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#define READ_WORD_BE(addr) (((addr)[0] << 16) | (addr)[1])
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/* read a unaligned big-endian DWORD (32bit) */
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#define READ_DWORD_BE(addr) (((addr)[0] << 24) | ((addr)[1] << 16) | \
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((addr)[2] << 8) | (addr)[3])
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/* read a unaligned little-endian DWORD (32bit) */
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#define READ_DWORD_LE(addr) (((addr)[3] << 24) | ((addr)[2] << 16) | \
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((addr)[1] << 8) | (addr)[0])
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#endif /* MEM_READ_WRITE_H */
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