142 lines
4.7 KiB
C
142 lines
4.7 KiB
C
/*
|
|
* PUPA -- Preliminary Universal Programming Architecture for GRUB
|
|
* Copyright (C) 2002 Yoshinori K. Okuji <okuji@enbug.org>
|
|
*
|
|
* This program 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 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program 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 this program; if not, write to the Free Software
|
|
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
*/
|
|
|
|
#ifndef PUPA_TYPES_HEADER
|
|
#define PUPA_TYPES_HEADER 1
|
|
|
|
#include <config.h>
|
|
#include <pupa/cpu/types.h>
|
|
|
|
#ifdef PUPA_UTIL
|
|
# define PUPA_CPU_SIZEOF_VOID_P SIZEOF_VOID_P
|
|
# define PUPA_CPU_SIZEOF_LONG SIZEOF_LONG
|
|
# ifdef WORDS_BIGENDIAN
|
|
# define PUPA_CPU_WORDS_BIGENDIAN 1
|
|
# else
|
|
# undef PUPA_CPU_WORDS_BIGENDIAN
|
|
# endif
|
|
#else /* ! PUPA_UTIL */
|
|
# define PUPA_CPU_SIZEOF_VOID_P PUPA_HOST_SIZEOF_VOID_P
|
|
# define PUPA_CPU_SIZEOF_LONG PUPA_HOST_SIZEOF_LONG
|
|
# ifdef PUPA_HOST_WORDS_BIGENDIAN
|
|
# define PUPA_CPU_WORDS_BIGENDIAN 1
|
|
# else
|
|
# undef PUPA_CPU_WORDS_BIGENDIAN
|
|
# endif
|
|
#endif /* ! PUPA_UTIL */
|
|
|
|
#if PUPA_CPU_SIZEOF_VOID_P != PUPA_CPU_SIZEOF_LONG
|
|
# error "This architecture is not supported because sizeof(void *) != sizeof(long)"
|
|
#endif
|
|
|
|
#if PUPA_CPU_SIZEOF_VOID_P != 4 && PUPA_CPU_SIZEOF_VOID_P != 8
|
|
# error "This architecture is not supported because sizeof(void *) != 4 and sizeof(void *) != 8"
|
|
#endif
|
|
|
|
/* Define various wide integers. */
|
|
typedef signed char pupa_int8_t;
|
|
typedef short pupa_int16_t;
|
|
typedef int pupa_int32_t;
|
|
#if PUPA_CPU_SIZEOF_VOID_P == 8
|
|
typedef long pupa_int64_t;
|
|
#else
|
|
typedef long long pupa_int64_t;
|
|
#endif
|
|
|
|
typedef unsigned char pupa_uint8_t;
|
|
typedef unsigned short pupa_uint16_t;
|
|
typedef unsigned pupa_uint32_t;
|
|
#if PUPA_CPU_SIZEOF_VOID_P == 8
|
|
typedef unsigned long pupa_uint64_t;
|
|
#else
|
|
typedef unsigned long long pupa_uint64_t;
|
|
#endif
|
|
|
|
/* Misc types. */
|
|
#if PUPA_HOST_SIZE_OF_VOID_P == 8
|
|
typedef pupa_uint64_t pupa_addr_t;
|
|
typedef pupa_uint64_t pupa_off_t;
|
|
typedef pupa_uint64_t pupa_size_t;
|
|
typedef pupa_int64_t pupa_ssize_t;
|
|
#else
|
|
typedef pupa_uint32_t pupa_addr_t;
|
|
typedef pupa_uint32_t pupa_off_t;
|
|
typedef pupa_uint32_t pupa_size_t;
|
|
typedef pupa_int32_t pupa_ssize_t;
|
|
#endif
|
|
|
|
/* Byte-orders. */
|
|
#define pupa_swap_bytes16(x) \
|
|
({ \
|
|
pupa_uint16_t _x = (x); \
|
|
(_x << 8) | (_x >> 8); \
|
|
})
|
|
|
|
#define pupa_swap_bytes32(x) \
|
|
({ \
|
|
pupa_uint32_t _x = (x); \
|
|
(pupa_uint32_t) ((_x << 24) \
|
|
| ((_x & (pupa_uint32_t) 0xFF00UL) << 8) \
|
|
| ((_x & (pupa_uint32_t) 0xFF0000UL) >> 8) \
|
|
| (_x >> 24)); \
|
|
})
|
|
|
|
#define pupa_swap_bytes64(x) \
|
|
({ \
|
|
pupa_uint64_t _x = (x); \
|
|
(pupa_uint64_t) ((_x << 56) \
|
|
| ((_x & (pupa_uint64_t) 0xFF00ULL) << 40) \
|
|
| ((_x & (pupa_uint64_t) 0xFF0000ULL) << 24) \
|
|
| ((_x & (pupa_uint64_t) 0xFF000000ULL) << 8) \
|
|
| ((_x & (pupa_uint64_t) 0xFF00000000ULL) >> 8) \
|
|
| ((_x & (pupa_uint64_t) 0xFF0000000000ULL) >> 24) \
|
|
| ((_x & (pupa_uint64_t) 0xFF000000000000ULL) >> 40) \
|
|
| (_x >> 56)); \
|
|
})
|
|
|
|
#ifdef PUPA_CPU_WORDS_BIGENDIAN
|
|
# define pupa_cpu_to_le16(x) pupa_swap_bytes16(x)
|
|
# define pupa_cpu_to_le32(x) pupa_swap_bytes32(x)
|
|
# define pupa_cpu_to_le64(x) pupa_swap_bytes64(x)
|
|
# define pupa_le_to_cpu16(x) pupa_swap_bytes16(x)
|
|
# define pupa_le_to_cpu32(x) pupa_swap_bytes32(x)
|
|
# define pupa_le_to_cpu64(x) pupa_swap_bytes64(x)
|
|
# define pupa_cpu_to_be16(x) ((pupa_uint16_t) (x))
|
|
# define pupa_cpu_to_be32(x) ((pupa_uint32_t) (x))
|
|
# define pupa_cpu_to_be64(x) ((pupa_uint64_t) (x))
|
|
# define pupa_be_to_cpu16(x) ((pupa_uint16_t) (x))
|
|
# define pupa_be_to_cpu32(x) ((pupa_uint32_t) (x))
|
|
# define pupa_be_to_cpu64(x) ((pupa_uint64_t) (x))
|
|
#else /* ! WORDS_BIGENDIAN */
|
|
# define pupa_cpu_to_le16(x) ((pupa_uint16_t) (x))
|
|
# define pupa_cpu_to_le32(x) ((pupa_uint32_t) (x))
|
|
# define pupa_cpu_to_le64(x) ((pupa_uint64_t) (x))
|
|
# define pupa_le_to_cpu16(x) ((pupa_uint16_t) (x))
|
|
# define pupa_le_to_cpu32(x) ((pupa_uint32_t) (x))
|
|
# define pupa_le_to_cpu64(x) ((pupa_uint64_t) (x))
|
|
# define pupa_cpu_to_be16(x) pupa_swap_bytes16(x)
|
|
# define pupa_cpu_to_be32(x) pupa_swap_bytes32(x)
|
|
# define pupa_cpu_to_be64(x) pupa_swap_bytes64(x)
|
|
# define pupa_be_to_cpu16(x) pupa_swap_bytes16(x)
|
|
# define pupa_be_to_cpu32(x) pupa_swap_bytes32(x)
|
|
# define pupa_be_to_cpu64(x) pupa_swap_bytes64(x)
|
|
#endif /* ! WORDS_BIGENDIAN */
|
|
|
|
#endif /* ! PUPA_TYPES_HEADER */
|