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-rw-r--r--src/include/endian.h67
1 files changed, 67 insertions, 0 deletions
diff --git a/src/include/endian.h b/src/include/endian.h
index b511a491a8..ce6d7c3c21 100644
--- a/src/include/endian.h
+++ b/src/include/endian.h
@@ -21,5 +21,72 @@
#define _ENDIAN_H_
#include <arch/byteorder.h>
+#include <stdint.h>
+#include <swab.h>
+
+#if defined(__LITTLE_ENDIAN)
+ #define cpu_to_le64(x) ((uint64_t)(x))
+ #define le64_to_cpu(x) ((uint64_t)(x))
+ #define cpu_to_le32(x) ((uint32_t)(x))
+ #define le32_to_cpu(x) ((uint32_t)(x))
+ #define cpu_to_le16(x) ((uint16_t)(x))
+ #define le16_to_cpu(x) ((uint16_t)(x))
+ #define cpu_to_be64(x) swab64(x)
+ #define be64_to_cpu(x) swab64(x)
+ #define cpu_to_be32(x) swab32(x)
+ #define be32_to_cpu(x) swab32(x)
+ #define cpu_to_be16(x) swab16(x)
+ #define be16_to_cpu(x) swab16(x)
+#elif defined(__BIG_ENDIAN)
+ #define cpu_to_le64(x) swab64(x)
+ #define le64_to_cpu(x) swab64(x)
+ #define cpu_to_le32(x) swab32(x)
+ #define le32_to_cpu(x) swab32(x)
+ #define cpu_to_le16(x) swab16(x)
+ #define le16_to_cpu(x) swab16(x)
+ #define cpu_to_be64(x) ((uint64_t)(x))
+ #define be64_to_cpu(x) ((uint64_t)(x))
+ #define cpu_to_be32(x) ((uint32_t)(x))
+ #define be32_to_cpu(x) ((uint32_t)(x))
+ #define cpu_to_be16(x) ((uint16_t)(x))
+ #define be16_to_cpu(x) ((uint16_t)(x))
+#else
+ #error "<arch/byteorder.h> must #define __LITTLE_ENDIAN or __BIG_ENDIAN"
+#endif
+
+#define ntohll(x) be64_to_cpu(x)
+#define htonll(x) cpu_to_be64(x)
+#define ntohl(x) be32_to_cpu(x)
+#define htonl(x) cpu_to_be32(x)
+
+#define __clrsetbits(endian, bits, addr, clear, set) \
+ write##bits(addr, cpu_to_##endian##bits((endian##bits##_to_cpu( \
+ read##bits(addr)) & ~((uint##bits##_t)(clear))) | (set)))
+
+#define clrbits_le64(addr, clear) __clrsetbits(le, 64, addr, clear, 0)
+#define clrbits_be64(addr, clear) __clrsetbits(be, 64, addr, clear, 0)
+#define clrbits_le32(addr, clear) __clrsetbits(le, 32, addr, clear, 0)
+#define clrbits_be32(addr, clear) __clrsetbits(be, 32, addr, clear, 0)
+#define clrbits_le16(addr, clear) __clrsetbits(le, 16, addr, clear, 0)
+#define clrbits_be16(addr, clear) __clrsetbits(be, 16, addr, clear, 0)
+
+#define setbits_le64(addr, set) __clrsetbits(le, 64, addr, 0, set)
+#define setbits_be64(addr, set) __clrsetbits(be, 64, addr, 0, set)
+#define setbits_le32(addr, set) __clrsetbits(le, 32, addr, 0, set)
+#define setbits_be32(addr, set) __clrsetbits(be, 32, addr, 0, set)
+#define setbits_le16(addr, set) __clrsetbits(le, 16, addr, 0, set)
+#define setbits_be16(addr, set) __clrsetbits(be, 16, addr, 0, set)
+
+#define clrsetbits_le64(addr, clear, set) __clrsetbits(le, 64, addr, clear, set)
+#define clrsetbits_be64(addr, clear, set) __clrsetbits(be, 64, addr, clear, set)
+#define clrsetbits_le32(addr, clear, set) __clrsetbits(le, 32, addr, clear, set)
+#define clrsetbits_be32(addr, clear, set) __clrsetbits(be, 32, addr, clear, set)
+#define clrsetbits_le16(addr, clear, set) __clrsetbits(le, 16, addr, clear, set)
+#define clrsetbits_be16(addr, clear, set) __clrsetbits(be, 16, addr, clear, set)
+
+#define clrsetbits_8(addr, clear, set) \
+ write8(addr, (read8(addr) & ~(clear)) | (set))
+#define clrbits_8(addr, clear) clrsetbits_8(addr, clear, 0)
+#define setbits_8(addr, set) setbits_8(addr, 0, set)
#endif