Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / lib / lzo / lzodefs.h

diff --git a/kernel/lib/lzo/lzodefs.h b/kernel/lib/lzo/lzodefs.h
new file mode 100644 (file)
index 0000000..6710b83
--- /dev/null
+++ b/kernel/lib/lzo/lzodefs.h
@@ -0,0 +1,59 @@
+/*
+ *  lzodefs.h -- architecture, OS and compiler specific defines
+ *
+ *  Copyright (C) 1996-2012 Markus F.X.J. Oberhumer <markus@oberhumer.com>
+ *
+ *  The full LZO package can be found at:
+ *  http://www.oberhumer.com/opensource/lzo/
+ *
+ *  Changed for Linux kernel use by:
+ *  Nitin Gupta <nitingupta910@gmail.com>
+ *  Richard Purdie <rpurdie@openedhand.com>
+ */
+
+
+#define COPY4(dst, src)        \
+               put_unaligned(get_unaligned((const u32 *)(src)), (u32 *)(dst))
+#if defined(__x86_64__)
+#define COPY8(dst, src)        \
+               put_unaligned(get_unaligned((const u64 *)(src)), (u64 *)(dst))
+#else
+#define COPY8(dst, src)        \
+               COPY4(dst, src); COPY4((dst) + 4, (src) + 4)
+#endif
+
+#if defined(__BIG_ENDIAN) && defined(__LITTLE_ENDIAN)
+#error "conflicting endian definitions"
+#elif defined(__x86_64__)
+#define LZO_USE_CTZ64  1
+#define LZO_USE_CTZ32  1
+#elif defined(__i386__) || defined(__powerpc__)
+#define LZO_USE_CTZ32  1
+#elif defined(__arm__) && (__LINUX_ARM_ARCH__ >= 5)
+#define LZO_USE_CTZ32  1
+#endif
+
+#define M1_MAX_OFFSET  0x0400
+#define M2_MAX_OFFSET  0x0800
+#define M3_MAX_OFFSET  0x4000
+#define M4_MAX_OFFSET  0xbfff
+
+#define M1_MIN_LEN     2
+#define M1_MAX_LEN     2
+#define M2_MIN_LEN     3
+#define M2_MAX_LEN     8
+#define M3_MIN_LEN     3
+#define M3_MAX_LEN     33
+#define M4_MIN_LEN     3
+#define M4_MAX_LEN     9
+
+#define M1_MARKER      0
+#define M2_MARKER      64
+#define M3_MARKER      32
+#define M4_MARKER      16
+
+#define lzo_dict_t      unsigned short
+#define D_BITS         13
+#define D_SIZE         (1u << D_BITS)
+#define D_MASK         (D_SIZE - 1)
+#define D_HIGH         ((D_MASK >> 1) + 1)