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/*
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/*
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 *  The PCI Library -- System-Dependent Stuff
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 *  The PCI Library -- System-Dependent Stuff
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 *
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 *
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 *  Copyright (c) 1997--2004 Martin Mares <mj@ucw.cz>
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 *  Copyright (c) 1997--2004 Martin Mares <mj@ucw.cz>
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 *
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 *
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 *  May 8, 2006 - Modified and ported to HelenOS by Jakub Jermar.
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 *  May 8, 2006 - Modified and ported to HelenOS by Jakub Jermar.
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 *
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 *
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 *  Can be freely distributed and used under the terms of the GNU GPL.
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 *  Can be freely distributed and used under the terms of the GNU GPL.
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 */
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 */
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#ifdef __GNUC__
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#ifdef __GNUC__
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#define UNUSED __attribute__((unused))
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#define UNUSED __attribute__((unused))
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#define NONRET __attribute__((noreturn))
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#define NONRET __attribute__((noreturn))
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#else
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#else
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#define UNUSED
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#define UNUSED
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#define NONRET
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#define NONRET
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#define inline
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#define inline
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#endif
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#endif
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typedef u8 byte;
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typedef u8 byte;
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typedef u16 word;
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typedef u16 word;
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static inline void swap(u8 *x, u8 *y)
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{
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    u8 z = *x;
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    *x = *y;
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    *y = z;
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}
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static inline u16 invert_endianess_16(u16 x)
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{
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    u8 *px = (u8 *)&x;
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    swap(&px[0], &px[1]);
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    return x;
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}
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static inline u32 invert_endianess_32(u32 x)
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{
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    u8 *px = (u8 *)&x;
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    swap(&px[0], &px[3]);
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    swap(&px[1], &px[2]);
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    return x;
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}
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#ifdef UARCH_sparc64
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    #define cpu_to_le16(x) (invert_endianess_16(x))
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    #define cpu_to_le32(x) (invert_endianess_32(x))
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    #define le16_to_cpu(x) (invert_endianess_16(x))
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    #define le32_to_cpu(x) (invert_endianess_32(x))
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#else
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#define cpu_to_le16(x) (x)
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    #define cpu_to_le16(x) (x)
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#define cpu_to_le32(x) (x)
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    #define cpu_to_le32(x) (x)
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#define le16_to_cpu(x) (x)
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    #define le16_to_cpu(x) (x)
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#define le32_to_cpu(x) (x)
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    #define le32_to_cpu(x) (x)
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#endif
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