2cd4c8d27d
This utility routine will be used in the variable size cell literal append code. It is a straightforward adaptation of the fdt32_to_cpu function. Signed-off-by: Anton Staaf <robotboy@chromium.org> Acked-by: David Gibson <david@gibson.dropbear.id.au>
30 lines
697 B
C
30 lines
697 B
C
#ifndef _LIBFDT_ENV_H
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#define _LIBFDT_ENV_H
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#include <stddef.h>
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#include <stdint.h>
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#include <string.h>
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#define _B(n) ((unsigned long long)((uint8_t *)&x)[n])
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static inline uint16_t fdt16_to_cpu(uint16_t x)
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{
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return (_B(0) << 8) | _B(1);
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}
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#define cpu_to_fdt16(x) fdt16_to_cpu(x)
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static inline uint32_t fdt32_to_cpu(uint32_t x)
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{
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return (_B(0) << 24) | (_B(1) << 16) | (_B(2) << 8) | _B(3);
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}
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#define cpu_to_fdt32(x) fdt32_to_cpu(x)
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static inline uint64_t fdt64_to_cpu(uint64_t x)
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{
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return (_B(0) << 56) | (_B(1) << 48) | (_B(2) << 40) | (_B(3) << 32)
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| (_B(4) << 24) | (_B(5) << 16) | (_B(6) << 8) | _B(7);
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}
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#define cpu_to_fdt64(x) fdt64_to_cpu(x)
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#undef _B
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#endif /* _LIBFDT_ENV_H */
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