mirror of
https://github.com/AsahiLinux/u-boot
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3756609076
Shove a lot of the HOSTCC and related #ifdef checking crap into the new compiler.h header so that we can keep all other headers nice and clean. Also introduce custom uswap functions so we don't have to rely on the non standard implementations that a host may (or may not in the case of OS X) provide. This allows mkimage to finally build cleanly on an OS X system. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
125 lines
2.9 KiB
C
125 lines
2.9 KiB
C
/*
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* Keep all the ugly #ifdef for system stuff here
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*/
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#ifndef __COMPILER_H__
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#define __COMPILER_H__
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#include <stddef.h>
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#ifdef USE_HOSTCC
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#if defined(__BEOS__) || \
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defined(__NetBSD__) || \
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defined(__FreeBSD__) || \
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defined(__sun__) || \
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defined(__APPLE__)
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# include <inttypes.h>
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#elif defined(__linux__) || defined(__WIN32__) || defined(__MINGW32__)
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# include <stdint.h>
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#endif
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#include <errno.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <string.h>
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extern int errno;
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#if !defined(__WIN32__) && !defined(__MINGW32__)
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# include <sys/mman.h>
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#endif
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/* Not all systems (like Windows) has this define, and yes
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* we do replace/emulate mmap() on those systems ...
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*/
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#ifndef MAP_FAILED
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# define MAP_FAILED ((void *)-1)
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#endif
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#include <fcntl.h>
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#ifndef O_BINARY /* should be define'd on __WIN32__ */
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#define O_BINARY 0
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#endif
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#ifdef __linux__
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# include <endian.h>
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# include <byteswap.h>
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#elif defined(__MACH__)
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# include <machine/endian.h>
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typedef unsigned long ulong;
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typedef unsigned int uint;
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#endif
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typedef uint8_t __u8;
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typedef uint16_t __u16;
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typedef uint32_t __u32;
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#define uswap_16(x) \
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((((x) & 0xff00) >> 8) | \
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(((x) & 0x00ff) << 8))
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#define uswap_32(x) \
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((((x) & 0xff000000) >> 24) | \
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(((x) & 0x00ff0000) >> 8) | \
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(((x) & 0x0000ff00) << 8) | \
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(((x) & 0x000000ff) << 24))
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#define _uswap_64(x, sfx) \
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((((x) & 0xff00000000000000##sfx) >> 56) | \
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(((x) & 0x00ff000000000000##sfx) >> 40) | \
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(((x) & 0x0000ff0000000000##sfx) >> 24) | \
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(((x) & 0x000000ff00000000##sfx) >> 8) | \
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(((x) & 0x00000000ff000000##sfx) << 8) | \
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(((x) & 0x0000000000ff0000##sfx) << 24) | \
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(((x) & 0x000000000000ff00##sfx) << 40) | \
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(((x) & 0x00000000000000ff##sfx) << 56))
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#if defined(__GNUC__)
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# define uswap_64(x) _uswap_64(x, ull)
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#else
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# define uswap_64(x) _uswap_64(x, )
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#endif
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#if __BYTE_ORDER == __LITTLE_ENDIAN
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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_le64(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 le64_to_cpu(x) (x)
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# define cpu_to_be16(x) uswap_16(x)
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# define cpu_to_be32(x) uswap_32(x)
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# define cpu_to_be64(x) uswap_64(x)
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# define be16_to_cpu(x) uswap_16(x)
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# define be32_to_cpu(x) uswap_32(x)
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# define be64_to_cpu(x) uswap_64(x)
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#else
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# define cpu_to_le16(x) uswap_16(x)
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# define cpu_to_le32(x) uswap_32(x)
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# define cpu_to_le64(x) uswap_64(x)
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# define le16_to_cpu(x) uswap_16(x)
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# define le32_to_cpu(x) uswap_32(x)
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# define le64_to_cpu(x) uswap_64(x)
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# define cpu_to_be16(x) (x)
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# define cpu_to_be32(x) (x)
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# define cpu_to_be64(x) (x)
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# define be16_to_cpu(x) (x)
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# define be32_to_cpu(x) (x)
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# define be64_to_cpu(x) (x)
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#endif
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#else /* !USE_HOSTCC */
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#include <linux/string.h>
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#include <linux/types.h>
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#include <asm/byteorder.h>
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/* Types for `void *' pointers. */
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#if __WORDSIZE == 64
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typedef unsigned long int uintptr_t;
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#else
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typedef unsigned int uintptr_t;
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#endif
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#endif
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#endif
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