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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 16:29:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 16:29:51 +0000 |
commit | 6e7a315eb67cb6c113cf37e1d66c4f11a51a2b3e (patch) | |
tree | 32451fa3cdd9321fb2591fada9891b2cb70a9cd1 /include/grub/types.h | |
parent | Initial commit. (diff) | |
download | grub2-upstream/2.06.tar.xz grub2-upstream/2.06.zip |
Adding upstream version 2.06.upstream/2.06upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | include/grub/types.h | 343 |
1 files changed, 343 insertions, 0 deletions
diff --git a/include/grub/types.h b/include/grub/types.h new file mode 100644 index 0000000..0a3ff15 --- /dev/null +++ b/include/grub/types.h @@ -0,0 +1,343 @@ +/* + * 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 + +#ifndef __CHAR_BIT__ +# error __CHAR_BIT__ is not defined +#elif __CHAR_BIT__ != 8 +# error __CHAR_BIT__ is not equal 8 +#else +# define GRUB_CHAR_BIT __CHAR_BIT__ +#endif + +#define GRUB_TYPE_BITS(type) (sizeof(type) * GRUB_CHAR_BIT) + +/* Define various wide integers. */ +typedef signed char grub_int8_t; +typedef short grub_int16_t; +typedef int grub_int32_t; +# define PRIxGRUB_INT32_T "x" +# define PRIdGRUB_INT32_T "d" +#if GRUB_CPU_SIZEOF_LONG == 8 +typedef long grub_int64_t; +# define PRIxGRUB_INT64_T "lx" +# define PRIdGRUB_INT64_T "ld" +#else +typedef long long grub_int64_t; +# define PRIxGRUB_INT64_T "llx" +# define PRIdGRUB_INT64_T "lld" +#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_SCHAR_MAX 127 +#define GRUB_SCHAR_MIN (-GRUB_SCHAR_MAX - 1) +#define GRUB_UCHAR_MAX 0xFF +#define GRUB_USHRT_MAX 65535 +#define GRUB_SHRT_MAX 0x7fff +#define GRUB_SHRT_MIN (-GRUB_SHRT_MAX - 1) +#define GRUB_UINT_MAX 4294967295U +#define GRUB_INT_MAX 0x7fffffff +#define GRUB_INT_MIN (-GRUB_INT_MAX - 1) +#define GRUB_INT32_MAX 2147483647 +#define GRUB_INT32_MIN (-GRUB_INT32_MAX - 1) + +#if GRUB_CPU_SIZEOF_LONG == 8 +# define GRUB_ULONG_MAX 18446744073709551615UL +# define GRUB_LONG_MAX 9223372036854775807L +#else +# define GRUB_ULONG_MAX 4294967295UL +# define GRUB_LONG_MAX 2147483647L +#endif +# define GRUB_LONG_MIN (-GRUB_LONG_MAX - 1) + +/* + * Cast to unsigned long long so that the "return value" is always a consistent + * type and to ensure an unsigned value regardless of type parameter. + */ +#define GRUB_TYPE_U_MAX(type) ((unsigned long long)((typeof (type))(~0))) +#define GRUB_TYPE_U_MIN(type) 0ULL + +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; +} + +#endif /* ! GRUB_TYPES_HEADER */ |