grub-lakitu/include/grub/types.h - cos/cobble - Git at Google

 /*
  *  GRUB  --  GRand Unified Bootloader
  *  Copyright (C) 2002,2005,2006,2007,2008,2009  Free Software Foundation, Inc.
  *
  *  GRUB is free software: you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
  *  the Free Software Foundation, either version 3 of the License, or
  *  (at your option) any later version.
  *
  *  GRUB is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *  GNU General Public License for more details.
  *
  *  You should have received a copy of the GNU General Public License
  *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
  */

 #ifndef GRUB_TYPES_HEADER
 #define GRUB_TYPES_HEADER	1

 #include <config.h>
 #ifndef GRUB_UTIL
 #include <grub/cpu/types.h>
 #endif

 #ifdef __MINGW32__
 #define GRUB_PACKED __attribute__ ((packed,gcc_struct))
 #else
 #define GRUB_PACKED __attribute__ ((packed))
 #endif

 #ifdef GRUB_BUILD
 # define GRUB_CPU_SIZEOF_VOID_P	BUILD_SIZEOF_VOID_P
 # define GRUB_CPU_SIZEOF_LONG	BUILD_SIZEOF_LONG
 # if BUILD_WORDS_BIGENDIAN
 #  define GRUB_CPU_WORDS_BIGENDIAN	1
 # else
 #  undef GRUB_CPU_WORDS_BIGENDIAN
 # endif
 #elif defined (GRUB_UTIL)
 # define GRUB_CPU_SIZEOF_VOID_P	SIZEOF_VOID_P
 # define GRUB_CPU_SIZEOF_LONG	SIZEOF_LONG
 # ifdef WORDS_BIGENDIAN
 #  define GRUB_CPU_WORDS_BIGENDIAN	1
 # else
 #  undef GRUB_CPU_WORDS_BIGENDIAN
 # endif
 #else /* ! GRUB_UTIL */
 # define GRUB_CPU_SIZEOF_VOID_P	GRUB_TARGET_SIZEOF_VOID_P
 # define GRUB_CPU_SIZEOF_LONG	GRUB_TARGET_SIZEOF_LONG
 # ifdef GRUB_TARGET_WORDS_BIGENDIAN
 #  define GRUB_CPU_WORDS_BIGENDIAN	1
 # else
 #  undef GRUB_CPU_WORDS_BIGENDIAN
 # endif
 #endif /* ! GRUB_UTIL */

 #if GRUB_CPU_SIZEOF_VOID_P != 4 && GRUB_CPU_SIZEOF_VOID_P != 8
 # error "This architecture is not supported because sizeof(void *) != 4 and sizeof(void *) != 8"
 #endif

 #if GRUB_CPU_SIZEOF_LONG != 4 && GRUB_CPU_SIZEOF_LONG != 8
 # error "This architecture is not supported because sizeof(long) != 4 and sizeof(long) != 8"
 #endif

 #if !defined (GRUB_UTIL) && !defined (GRUB_TARGET_WORDSIZE)
 # if GRUB_TARGET_SIZEOF_VOID_P == 4
 #  define GRUB_TARGET_WORDSIZE 32
 # elif GRUB_TARGET_SIZEOF_VOID_P == 8
 #  define GRUB_TARGET_WORDSIZE 64
 # endif
 #endif

 /* Define various wide integers.  */
 typedef signed char		grub_int8_t;
 typedef short			grub_int16_t;
 typedef int			grub_int32_t;
 #if GRUB_CPU_SIZEOF_LONG == 8
 typedef long			grub_int64_t;
 #else
 typedef long long		grub_int64_t;
 #endif

 typedef unsigned char		grub_uint8_t;
 typedef unsigned short		grub_uint16_t;
 typedef unsigned		grub_uint32_t;
 # define PRIxGRUB_UINT32_T	"x"
 # define PRIuGRUB_UINT32_T	"u"
 #if GRUB_CPU_SIZEOF_LONG == 8
 typedef unsigned long		grub_uint64_t;
 # define PRIxGRUB_UINT64_T	"lx"
 # define PRIuGRUB_UINT64_T	"lu"
 #else
 typedef unsigned long long	grub_uint64_t;
 # define PRIxGRUB_UINT64_T	"llx"
 # define PRIuGRUB_UINT64_T	"llu"
 #endif

 /* Misc types.  */

 #if GRUB_CPU_SIZEOF_VOID_P == 8
 typedef grub_uint64_t	grub_addr_t;
 typedef grub_uint64_t	grub_size_t;
 typedef grub_int64_t	grub_ssize_t;

 # define GRUB_SIZE_MAX 18446744073709551615UL

 # if GRUB_CPU_SIZEOF_LONG == 8
 #  define PRIxGRUB_SIZE	 "lx"
 #  define PRIxGRUB_ADDR	 "lx"
 #  define PRIuGRUB_SIZE	 "lu"
 #  define PRIdGRUB_SSIZE "ld"
 # else
 #  define PRIxGRUB_SIZE	 "llx"
 #  define PRIxGRUB_ADDR	 "llx"
 #  define PRIuGRUB_SIZE  "llu"
 #  define PRIdGRUB_SSIZE "lld"
 # endif
 #else
 typedef grub_uint32_t	grub_addr_t;
 typedef grub_uint32_t	grub_size_t;
 typedef grub_int32_t	grub_ssize_t;

 # define GRUB_SIZE_MAX 4294967295UL

 # define PRIxGRUB_SIZE	"x"
 # define PRIxGRUB_ADDR	"x"
 # define PRIuGRUB_SIZE	"u"
 # define PRIdGRUB_SSIZE	"d"
 #endif

 #define GRUB_UCHAR_MAX 0xFF
 #define GRUB_USHRT_MAX 65535
 #define GRUB_SHRT_MAX 0x7fff
 #define GRUB_UINT_MAX 4294967295U
 #define GRUB_INT_MAX 0x7fffffff
 #define GRUB_INT32_MIN (-2147483647 - 1)
 #define GRUB_INT32_MAX 2147483647

 #if GRUB_CPU_SIZEOF_LONG == 8
 # define GRUB_ULONG_MAX 18446744073709551615UL
 # define GRUB_LONG_MAX 9223372036854775807L
 # define GRUB_LONG_MIN (-9223372036854775807L - 1)
 #else
 # define GRUB_ULONG_MAX 4294967295UL
 # define GRUB_LONG_MAX 2147483647L
 # define GRUB_LONG_MIN (-2147483647L - 1)
 #endif

 typedef grub_uint64_t grub_properly_aligned_t;

 #define GRUB_PROPERLY_ALIGNED_ARRAY(name, size) grub_properly_aligned_t name[((size) + sizeof (grub_properly_aligned_t) - 1) / sizeof (grub_properly_aligned_t)]

 /* The type for representing a file offset.  */
 typedef grub_uint64_t	grub_off_t;

 /* The type for representing a disk block address.  */
 typedef grub_uint64_t	grub_disk_addr_t;

 /* Byte-orders.  */
 static inline grub_uint16_t grub_swap_bytes16(grub_uint16_t _x)
 {
    return (grub_uint16_t) ((_x << 8) | (_x >> 8));
 }

 #define grub_swap_bytes16_compile_time(x) ((((x) & 0xff) << 8) | (((x) & 0xff00) >> 8))
 #define grub_swap_bytes32_compile_time(x) ((((x) & 0xff) << 24) | (((x) & 0xff00) << 8) | (((x) & 0xff0000) >> 8) | (((x) & 0xff000000UL) >> 24))
 #define grub_swap_bytes64_compile_time(x)	\
 ({ \
    grub_uint64_t _x = (x); \
    (grub_uint64_t) ((_x << 56) \
                     | ((_x & (grub_uint64_t) 0xFF00ULL) << 40) \
                     | ((_x & (grub_uint64_t) 0xFF0000ULL) << 24) \
                     | ((_x & (grub_uint64_t) 0xFF000000ULL) << 8) \
                     | ((_x & (grub_uint64_t) 0xFF00000000ULL) >> 8) \
                     | ((_x & (grub_uint64_t) 0xFF0000000000ULL) >> 24) \
                     | ((_x & (grub_uint64_t) 0xFF000000000000ULL) >> 40) \
                     | (_x >> 56)); \
 })

 #if (defined(__GNUC__) && (__GNUC__ > 3) && (__GNUC__ > 4 || __GNUC_MINOR__ >= 3)) || defined(__clang__)
 static inline grub_uint32_t grub_swap_bytes32(grub_uint32_t x)
 {
 	return __builtin_bswap32(x);
 }

 static inline grub_uint64_t grub_swap_bytes64(grub_uint64_t x)
 {
 	return __builtin_bswap64(x);
 }
 #else					/* not gcc 4.3 or newer */
 static inline grub_uint32_t grub_swap_bytes32(grub_uint32_t _x)
 {
    return ((_x << 24)
 	   | ((_x & (grub_uint32_t) 0xFF00UL) << 8)
 	   | ((_x & (grub_uint32_t) 0xFF0000UL) >> 8)
 	   | (_x >> 24));
 }

 static inline grub_uint64_t grub_swap_bytes64(grub_uint64_t _x)
 {
    return ((_x << 56)
 	   | ((_x & (grub_uint64_t) 0xFF00ULL) << 40)
 	   | ((_x & (grub_uint64_t) 0xFF0000ULL) << 24)
 	   | ((_x & (grub_uint64_t) 0xFF000000ULL) << 8)
 	   | ((_x & (grub_uint64_t) 0xFF00000000ULL) >> 8)
 	   | ((_x & (grub_uint64_t) 0xFF0000000000ULL) >> 24)
 	   | ((_x & (grub_uint64_t) 0xFF000000000000ULL) >> 40)
 	   | (_x >> 56));
 }
 #endif					/* not gcc 4.3 or newer */

 #ifdef GRUB_CPU_WORDS_BIGENDIAN
 # define grub_cpu_to_le16(x)	grub_swap_bytes16(x)
 # define grub_cpu_to_le32(x)	grub_swap_bytes32(x)
 # define grub_cpu_to_le64(x)	grub_swap_bytes64(x)
 # define grub_le_to_cpu16(x)	grub_swap_bytes16(x)
 # define grub_le_to_cpu32(x)	grub_swap_bytes32(x)
 # define grub_le_to_cpu64(x)	grub_swap_bytes64(x)
 # define grub_cpu_to_be16(x)	((grub_uint16_t) (x))
 # define grub_cpu_to_be32(x)	((grub_uint32_t) (x))
 # define grub_cpu_to_be64(x)	((grub_uint64_t) (x))
 # define grub_be_to_cpu16(x)	((grub_uint16_t) (x))
 # define grub_be_to_cpu32(x)	((grub_uint32_t) (x))
 # define grub_be_to_cpu64(x)	((grub_uint64_t) (x))
 # define grub_cpu_to_be16_compile_time(x)	((grub_uint16_t) (x))
 # define grub_cpu_to_be32_compile_time(x)	((grub_uint32_t) (x))
 # define grub_cpu_to_be64_compile_time(x)	((grub_uint64_t) (x))
 # define grub_be_to_cpu64_compile_time(x)	((grub_uint64_t) (x))
 # define grub_cpu_to_le32_compile_time(x)	grub_swap_bytes32_compile_time(x)
 # define grub_cpu_to_le64_compile_time(x)	grub_swap_bytes64_compile_time(x)
 # define grub_cpu_to_le16_compile_time(x)	grub_swap_bytes16_compile_time(x)
 #else /* ! WORDS_BIGENDIAN */
 # define grub_cpu_to_le16(x)	((grub_uint16_t) (x))
 # define grub_cpu_to_le32(x)	((grub_uint32_t) (x))
 # define grub_cpu_to_le64(x)	((grub_uint64_t) (x))
 # define grub_le_to_cpu16(x)	((grub_uint16_t) (x))
 # define grub_le_to_cpu32(x)	((grub_uint32_t) (x))
 # define grub_le_to_cpu64(x)	((grub_uint64_t) (x))
 # define grub_cpu_to_be16(x)	grub_swap_bytes16(x)
 # define grub_cpu_to_be32(x)	grub_swap_bytes32(x)
 # define grub_cpu_to_be64(x)	grub_swap_bytes64(x)
 # define grub_be_to_cpu16(x)	grub_swap_bytes16(x)
 # define grub_be_to_cpu32(x)	grub_swap_bytes32(x)
 # define grub_be_to_cpu64(x)	grub_swap_bytes64(x)
 # define grub_cpu_to_be16_compile_time(x)	grub_swap_bytes16_compile_time(x)
 # define grub_cpu_to_be32_compile_time(x)	grub_swap_bytes32_compile_time(x)
 # define grub_cpu_to_be64_compile_time(x)	grub_swap_bytes64_compile_time(x)
 # define grub_be_to_cpu64_compile_time(x)	grub_swap_bytes64_compile_time(x)
 # define grub_cpu_to_le16_compile_time(x)	((grub_uint16_t) (x))
 # define grub_cpu_to_le32_compile_time(x)	((grub_uint32_t) (x))
 # define grub_cpu_to_le64_compile_time(x)	((grub_uint64_t) (x))

 #endif /* ! WORDS_BIGENDIAN */

 struct grub_unaligned_uint16
 {
   grub_uint16_t val;
 } GRUB_PACKED;
 struct grub_unaligned_uint32
 {
   grub_uint32_t val;
 } GRUB_PACKED;
 struct grub_unaligned_uint64
 {
   grub_uint64_t val;
 } GRUB_PACKED;

 typedef struct grub_unaligned_uint16 grub_unaligned_uint16_t;
 typedef struct grub_unaligned_uint32 grub_unaligned_uint32_t;
 typedef struct grub_unaligned_uint64 grub_unaligned_uint64_t;

 static inline grub_uint16_t grub_get_unaligned16 (const void *ptr)
 {
   const struct grub_unaligned_uint16 *dd
     = (const struct grub_unaligned_uint16 *) ptr;
   return dd->val;
 }

 static inline void grub_set_unaligned16 (void *ptr, grub_uint16_t val)
 {
   struct grub_unaligned_uint16 *dd = (struct grub_unaligned_uint16 *) ptr;
   dd->val = val;
 }

 static inline grub_uint32_t grub_get_unaligned32 (const void *ptr)
 {
   const struct grub_unaligned_uint32 *dd
     = (const struct grub_unaligned_uint32 *) ptr;
   return dd->val;
 }

 static inline void grub_set_unaligned32 (void *ptr, grub_uint32_t val)
 {
   struct grub_unaligned_uint32 *dd = (struct grub_unaligned_uint32 *) ptr;
   dd->val = val;
 }

 static inline grub_uint64_t grub_get_unaligned64 (const void *ptr)
 {
   const struct grub_unaligned_uint64 *dd
     = (const struct grub_unaligned_uint64 *) ptr;
   return dd->val;
 }

 static inline void grub_set_unaligned64 (void *ptr, grub_uint64_t val)
 {
   struct grub_unaligned_uint64_t
   {
     grub_uint64_t d;
   } GRUB_PACKED;
   struct grub_unaligned_uint64_t *dd = (struct grub_unaligned_uint64_t *) ptr;
   dd->d = val;
 }

 #define GRUB_CHAR_BIT 8

 #endif /* ! GRUB_TYPES_HEADER */
	/*
	* GRUB -- GRand Unified Bootloader
	* Copyright (C) 2002,2005,2006,2007,2008,2009 Free Software Foundation, Inc.
	*
	* GRUB is free software: you can redistribute it and/or modify
	* it under the terms of the GNU General Public License as published by
	* the Free Software Foundation, either version 3 of the License, or
	* (at your option) any later version.
	*
	* GRUB is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	* GNU General Public License for more details.
	*
	* You should have received a copy of the GNU General Public License
	* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
	*/

	#ifndef GRUB_TYPES_HEADER
	#define GRUB_TYPES_HEADER 1

	#include <config.h>
	#ifndef GRUB_UTIL
	#include <grub/cpu/types.h>
	#endif

	#ifdef __MINGW32__
	#define GRUB_PACKED __attribute__ ((packed,gcc_struct))
	#else
	#define GRUB_PACKED __attribute__ ((packed))
	#endif

	#ifdef GRUB_BUILD
	# define GRUB_CPU_SIZEOF_VOID_P BUILD_SIZEOF_VOID_P
	# define GRUB_CPU_SIZEOF_LONG BUILD_SIZEOF_LONG
	# if BUILD_WORDS_BIGENDIAN
	# define GRUB_CPU_WORDS_BIGENDIAN 1
	# else
	# undef GRUB_CPU_WORDS_BIGENDIAN
	# endif
	#elif defined (GRUB_UTIL)
	# define GRUB_CPU_SIZEOF_VOID_P SIZEOF_VOID_P
	# define GRUB_CPU_SIZEOF_LONG SIZEOF_LONG
	# ifdef WORDS_BIGENDIAN
	# define GRUB_CPU_WORDS_BIGENDIAN 1
	# else
	# undef GRUB_CPU_WORDS_BIGENDIAN
	# endif
	#else /* ! GRUB_UTIL */
	# define GRUB_CPU_SIZEOF_VOID_P GRUB_TARGET_SIZEOF_VOID_P
	# define GRUB_CPU_SIZEOF_LONG GRUB_TARGET_SIZEOF_LONG
	# ifdef GRUB_TARGET_WORDS_BIGENDIAN
	# define GRUB_CPU_WORDS_BIGENDIAN 1
	# else
	# undef GRUB_CPU_WORDS_BIGENDIAN
	# endif
	#endif /* ! GRUB_UTIL */

	#if GRUB_CPU_SIZEOF_VOID_P != 4 && GRUB_CPU_SIZEOF_VOID_P != 8
	# error "This architecture is not supported because sizeof(void ) != 4 and sizeof(void ) != 8"
	#endif

	#if GRUB_CPU_SIZEOF_LONG != 4 && GRUB_CPU_SIZEOF_LONG != 8
	# error "This architecture is not supported because sizeof(long) != 4 and sizeof(long) != 8"
	#endif

	#if !defined (GRUB_UTIL) && !defined (GRUB_TARGET_WORDSIZE)
	# if GRUB_TARGET_SIZEOF_VOID_P == 4
	# define GRUB_TARGET_WORDSIZE 32
	# elif GRUB_TARGET_SIZEOF_VOID_P == 8
	# define GRUB_TARGET_WORDSIZE 64
	# endif
	#endif

	/* Define various wide integers. */
	typedef signed char grub_int8_t;
	typedef short grub_int16_t;
	typedef int grub_int32_t;
	#if GRUB_CPU_SIZEOF_LONG == 8
	typedef long grub_int64_t;
	#else
	typedef long long grub_int64_t;
	#endif

	typedef unsigned char grub_uint8_t;
	typedef unsigned short grub_uint16_t;
	typedef unsigned grub_uint32_t;
	# define PRIxGRUB_UINT32_T "x"
	# define PRIuGRUB_UINT32_T "u"
	#if GRUB_CPU_SIZEOF_LONG == 8
	typedef unsigned long grub_uint64_t;
	# define PRIxGRUB_UINT64_T "lx"
	# define PRIuGRUB_UINT64_T "lu"
	#else
	typedef unsigned long long grub_uint64_t;
	# define PRIxGRUB_UINT64_T "llx"
	# define PRIuGRUB_UINT64_T "llu"
	#endif

	/* Misc types. */

	#if GRUB_CPU_SIZEOF_VOID_P == 8
	typedef grub_uint64_t grub_addr_t;
	typedef grub_uint64_t grub_size_t;
	typedef grub_int64_t grub_ssize_t;

	# define GRUB_SIZE_MAX 18446744073709551615UL

	# if GRUB_CPU_SIZEOF_LONG == 8
	# define PRIxGRUB_SIZE "lx"
	# define PRIxGRUB_ADDR "lx"
	# define PRIuGRUB_SIZE "lu"
	# define PRIdGRUB_SSIZE "ld"
	# else
	# define PRIxGRUB_SIZE "llx"
	# define PRIxGRUB_ADDR "llx"
	# define PRIuGRUB_SIZE "llu"
	# define PRIdGRUB_SSIZE "lld"
	# endif
	#else
	typedef grub_uint32_t grub_addr_t;
	typedef grub_uint32_t grub_size_t;
	typedef grub_int32_t grub_ssize_t;

	# define GRUB_SIZE_MAX 4294967295UL

	# define PRIxGRUB_SIZE "x"
	# define PRIxGRUB_ADDR "x"
	# define PRIuGRUB_SIZE "u"
	# define PRIdGRUB_SSIZE "d"
	#endif

	#define GRUB_UCHAR_MAX 0xFF
	#define GRUB_USHRT_MAX 65535
	#define GRUB_SHRT_MAX 0x7fff
	#define GRUB_UINT_MAX 4294967295U
	#define GRUB_INT_MAX 0x7fffffff
	#define GRUB_INT32_MIN (-2147483647 - 1)
	#define GRUB_INT32_MAX 2147483647

	#if GRUB_CPU_SIZEOF_LONG == 8
	# define GRUB_ULONG_MAX 18446744073709551615UL
	# define GRUB_LONG_MAX 9223372036854775807L
	# define GRUB_LONG_MIN (-9223372036854775807L - 1)
	#else
	# define GRUB_ULONG_MAX 4294967295UL
	# define GRUB_LONG_MAX 2147483647L
	# define GRUB_LONG_MIN (-2147483647L - 1)
	#endif

	typedef grub_uint64_t grub_properly_aligned_t;

	#define GRUB_PROPERLY_ALIGNED_ARRAY(name, size) grub_properly_aligned_t name[((size) + sizeof (grub_properly_aligned_t) - 1) / sizeof (grub_properly_aligned_t)]

	/* The type for representing a file offset. */
	typedef grub_uint64_t grub_off_t;

	/* The type for representing a disk block address. */
	typedef grub_uint64_t grub_disk_addr_t;

	/* Byte-orders. */
	static inline grub_uint16_t grub_swap_bytes16(grub_uint16_t _x)
	{
	return (grub_uint16_t) ((_x << 8) \| (_x >> 8));
	}

	#define grub_swap_bytes16_compile_time(x) ((((x) & 0xff) << 8) \| (((x) & 0xff00) >> 8))
	#define grub_swap_bytes32_compile_time(x) ((((x) & 0xff) << 24) \| (((x) & 0xff00) << 8) \| (((x) & 0xff0000) >> 8) \| (((x) & 0xff000000UL) >> 24))
	#define grub_swap_bytes64_compile_time(x) \
	({ \
	grub_uint64_t _x = (x); \
	(grub_uint64_t) ((_x << 56) \
	\| ((_x & (grub_uint64_t) 0xFF00ULL) << 40) \
	\| ((_x & (grub_uint64_t) 0xFF0000ULL) << 24) \
	\| ((_x & (grub_uint64_t) 0xFF000000ULL) << 8) \
	\| ((_x & (grub_uint64_t) 0xFF00000000ULL) >> 8) \
	\| ((_x & (grub_uint64_t) 0xFF0000000000ULL) >> 24) \
	\| ((_x & (grub_uint64_t) 0xFF000000000000ULL) >> 40) \
	\| (_x >> 56)); \
	})

	#if (defined(__GNUC__) && (__GNUC__ > 3) && (__GNUC__ > 4 \|\| __GNUC_MINOR__ >= 3)) \|\| defined(__clang__)
	static inline grub_uint32_t grub_swap_bytes32(grub_uint32_t x)
	{
	return __builtin_bswap32(x);
	}

	static inline grub_uint64_t grub_swap_bytes64(grub_uint64_t x)
	{
	return __builtin_bswap64(x);
	}
	#else /* not gcc 4.3 or newer */
	static inline grub_uint32_t grub_swap_bytes32(grub_uint32_t _x)
	{
	return ((_x << 24)
	\| ((_x & (grub_uint32_t) 0xFF00UL) << 8)
	\| ((_x & (grub_uint32_t) 0xFF0000UL) >> 8)
	\| (_x >> 24));
	}

	static inline grub_uint64_t grub_swap_bytes64(grub_uint64_t _x)
	{
	return ((_x << 56)
	\| ((_x & (grub_uint64_t) 0xFF00ULL) << 40)
	\| ((_x & (grub_uint64_t) 0xFF0000ULL) << 24)
	\| ((_x & (grub_uint64_t) 0xFF000000ULL) << 8)
	\| ((_x & (grub_uint64_t) 0xFF00000000ULL) >> 8)
	\| ((_x & (grub_uint64_t) 0xFF0000000000ULL) >> 24)
	\| ((_x & (grub_uint64_t) 0xFF000000000000ULL) >> 40)
	\| (_x >> 56));
	}
	#endif /* not gcc 4.3 or newer */

	#ifdef GRUB_CPU_WORDS_BIGENDIAN
	# define grub_cpu_to_le16(x) grub_swap_bytes16(x)
	# define grub_cpu_to_le32(x) grub_swap_bytes32(x)
	# define grub_cpu_to_le64(x) grub_swap_bytes64(x)
	# define grub_le_to_cpu16(x) grub_swap_bytes16(x)
	# define grub_le_to_cpu32(x) grub_swap_bytes32(x)
	# define grub_le_to_cpu64(x) grub_swap_bytes64(x)
	# define grub_cpu_to_be16(x) ((grub_uint16_t) (x))
	# define grub_cpu_to_be32(x) ((grub_uint32_t) (x))
	# define grub_cpu_to_be64(x) ((grub_uint64_t) (x))
	# define grub_be_to_cpu16(x) ((grub_uint16_t) (x))
	# define grub_be_to_cpu32(x) ((grub_uint32_t) (x))
	# define grub_be_to_cpu64(x) ((grub_uint64_t) (x))
	# define grub_cpu_to_be16_compile_time(x) ((grub_uint16_t) (x))
	# define grub_cpu_to_be32_compile_time(x) ((grub_uint32_t) (x))
	# define grub_cpu_to_be64_compile_time(x) ((grub_uint64_t) (x))
	# define grub_be_to_cpu64_compile_time(x) ((grub_uint64_t) (x))
	# define grub_cpu_to_le32_compile_time(x) grub_swap_bytes32_compile_time(x)
	# define grub_cpu_to_le64_compile_time(x) grub_swap_bytes64_compile_time(x)
	# define grub_cpu_to_le16_compile_time(x) grub_swap_bytes16_compile_time(x)
	#else /* ! WORDS_BIGENDIAN */
	# define grub_cpu_to_le16(x) ((grub_uint16_t) (x))
	# define grub_cpu_to_le32(x) ((grub_uint32_t) (x))
	# define grub_cpu_to_le64(x) ((grub_uint64_t) (x))
	# define grub_le_to_cpu16(x) ((grub_uint16_t) (x))
	# define grub_le_to_cpu32(x) ((grub_uint32_t) (x))
	# define grub_le_to_cpu64(x) ((grub_uint64_t) (x))
	# define grub_cpu_to_be16(x) grub_swap_bytes16(x)
	# define grub_cpu_to_be32(x) grub_swap_bytes32(x)
	# define grub_cpu_to_be64(x) grub_swap_bytes64(x)
	# define grub_be_to_cpu16(x) grub_swap_bytes16(x)
	# define grub_be_to_cpu32(x) grub_swap_bytes32(x)
	# define grub_be_to_cpu64(x) grub_swap_bytes64(x)
	# define grub_cpu_to_be16_compile_time(x) grub_swap_bytes16_compile_time(x)
	# define grub_cpu_to_be32_compile_time(x) grub_swap_bytes32_compile_time(x)
	# define grub_cpu_to_be64_compile_time(x) grub_swap_bytes64_compile_time(x)
	# define grub_be_to_cpu64_compile_time(x) grub_swap_bytes64_compile_time(x)
	# define grub_cpu_to_le16_compile_time(x) ((grub_uint16_t) (x))
	# define grub_cpu_to_le32_compile_time(x) ((grub_uint32_t) (x))
	# define grub_cpu_to_le64_compile_time(x) ((grub_uint64_t) (x))

	#endif /* ! WORDS_BIGENDIAN */

	struct grub_unaligned_uint16
	{
	grub_uint16_t val;
	} GRUB_PACKED;
	struct grub_unaligned_uint32
	{
	grub_uint32_t val;
	} GRUB_PACKED;
	struct grub_unaligned_uint64
	{
	grub_uint64_t val;
	} GRUB_PACKED;

	typedef struct grub_unaligned_uint16 grub_unaligned_uint16_t;
	typedef struct grub_unaligned_uint32 grub_unaligned_uint32_t;
	typedef struct grub_unaligned_uint64 grub_unaligned_uint64_t;

	static inline grub_uint16_t grub_get_unaligned16 (const void *ptr)
	{
	const struct grub_unaligned_uint16 *dd
	= (const struct grub_unaligned_uint16 *) ptr;
	return dd->val;
	}

	static inline void grub_set_unaligned16 (void *ptr, grub_uint16_t val)
	{
	struct grub_unaligned_uint16 dd = (struct grub_unaligned_uint16 ) ptr;
	dd->val = val;
	}

	static inline grub_uint32_t grub_get_unaligned32 (const void *ptr)
	{
	const struct grub_unaligned_uint32 *dd
	= (const struct grub_unaligned_uint32 *) ptr;
	return dd->val;
	}

	static inline void grub_set_unaligned32 (void *ptr, grub_uint32_t val)
	{
	struct grub_unaligned_uint32 dd = (struct grub_unaligned_uint32 ) ptr;
	dd->val = val;
	}

	static inline grub_uint64_t grub_get_unaligned64 (const void *ptr)
	{
	const struct grub_unaligned_uint64 *dd
	= (const struct grub_unaligned_uint64 *) ptr;
	return dd->val;
	}

	static inline void grub_set_unaligned64 (void *ptr, grub_uint64_t val)
	{
	struct grub_unaligned_uint64_t
	{
	grub_uint64_t d;
	} GRUB_PACKED;
	struct grub_unaligned_uint64_t dd = (struct grub_unaligned_uint64_t ) ptr;
	dd->d = val;
	}

	#define GRUB_CHAR_BIT 8

	#endif /* ! GRUB_TYPES_HEADER */