From 8e4bff4cab0ddac6060645b0715210484d02ff40 Mon Sep 17 00:00:00 2001 From: Yuval Adam <_@yuv.al> Date: Wed, 30 Aug 2017 08:25:59 +0000 Subject: Initial file dump from open source release --- scripts/dtc/libfdt/libfdt_env.h | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 scripts/dtc/libfdt/libfdt_env.h (limited to 'scripts/dtc/libfdt/libfdt_env.h') diff --git a/scripts/dtc/libfdt/libfdt_env.h b/scripts/dtc/libfdt/libfdt_env.h new file mode 100644 index 00000000..213d7fb8 --- /dev/null +++ b/scripts/dtc/libfdt/libfdt_env.h @@ -0,0 +1,29 @@ +#ifndef _LIBFDT_ENV_H +#define _LIBFDT_ENV_H + +#include +#include +#include + +#define EXTRACT_BYTE(n) ((unsigned long long)((uint8_t *)&x)[n]) +static inline uint16_t fdt16_to_cpu(uint16_t x) +{ + return (EXTRACT_BYTE(0) << 8) | EXTRACT_BYTE(1); +} +#define cpu_to_fdt16(x) fdt16_to_cpu(x) + +static inline uint32_t fdt32_to_cpu(uint32_t x) +{ + return (EXTRACT_BYTE(0) << 24) | (EXTRACT_BYTE(1) << 16) | (EXTRACT_BYTE(2) << 8) | EXTRACT_BYTE(3); +} +#define cpu_to_fdt32(x) fdt32_to_cpu(x) + +static inline uint64_t fdt64_to_cpu(uint64_t x) +{ + return (EXTRACT_BYTE(0) << 56) | (EXTRACT_BYTE(1) << 48) | (EXTRACT_BYTE(2) << 40) | (EXTRACT_BYTE(3) << 32) + | (EXTRACT_BYTE(4) << 24) | (EXTRACT_BYTE(5) << 16) | (EXTRACT_BYTE(6) << 8) | EXTRACT_BYTE(7); +} +#define cpu_to_fdt64(x) fdt64_to_cpu(x) +#undef EXTRACT_BYTE + +#endif /* _LIBFDT_ENV_H */ -- cgit v1.3.1