1cb9cd5798
Change-Id: I730f80afd8aad250f26534435aec24bea75a849c Signed-off-by: Arthur Heymans <arthur@aheymans.xyz> Reviewed-on: https://review.coreboot.org/c/coreboot/+/37334 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>
92 lines
2.9 KiB
C
92 lines
2.9 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef STDINT_H
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#define STDINT_H
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/* romcc does not support long long, _Static_assert, or _Bool, so we must ifdef that code out.
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Also, GCC can provide its own implementation of stdint.h, so in theory we could use that
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instead of this custom file once romcc is no more. */
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/* Fixed width integer types */
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typedef signed char int8_t;
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typedef unsigned char uint8_t;
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typedef signed short int16_t;
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typedef unsigned short uint16_t;
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typedef signed int int32_t;
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typedef unsigned int uint32_t;
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typedef signed long long int64_t;
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typedef unsigned long long uint64_t;
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/* Types for 'void *' pointers */
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typedef signed long intptr_t;
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typedef unsigned long uintptr_t;
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/* Ensure that the widths are all correct */
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_Static_assert(sizeof(int8_t) == 1, "Size of int8_t is incorrect");
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_Static_assert(sizeof(uint8_t) == 1, "Size of uint8_t is incorrect");
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_Static_assert(sizeof(int16_t) == 2, "Size of int16_t is incorrect");
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_Static_assert(sizeof(uint16_t) == 2, "Size of uint16_t is incorrect");
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_Static_assert(sizeof(int32_t) == 4, "Size of int32_t is incorrect");
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_Static_assert(sizeof(uint32_t) == 4, "Size of uint32_t is incorrect");
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_Static_assert(sizeof(int64_t) == 8, "Size of int64_t is incorrect");
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_Static_assert(sizeof(uint64_t) == 8, "Size of uint64_t is incorrect");
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_Static_assert(sizeof(intptr_t) == sizeof(void *), "Size of intptr_t is incorrect");
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_Static_assert(sizeof(uintptr_t) == sizeof(void *), "Size of uintptr_t is incorrect");
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/* Maximum width integer types */
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typedef int64_t intmax_t;
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typedef uint64_t uintmax_t;
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/* Convenient typedefs */
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typedef int8_t s8;
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typedef uint8_t u8;
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typedef int16_t s16;
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typedef uint16_t u16;
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typedef int32_t s32;
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typedef uint32_t u32;
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typedef int64_t s64;
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typedef uint64_t u64;
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/* Limits of integer types */
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#define INT8_MIN ((int8_t)0x80)
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#define INT8_MAX ((int8_t)0x7F)
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#define UINT8_MAX ((uint8_t)0xFF)
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#define INT16_MIN ((int16_t)0x8000)
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#define INT16_MAX ((int16_t)0x7FFF)
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#define UINT16_MAX ((uint16_t)0xFFFF)
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#define INT32_MIN ((int32_t)0x80000000)
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#define INT32_MAX ((int32_t)0x7FFFFFFF)
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#define UINT32_MAX ((uint32_t)0xFFFFFFFF)
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#define INT64_MIN ((int64_t)0x8000000000000000)
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#define INT64_MAX ((int64_t)0x7FFFFFFFFFFFFFFF)
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#define UINT64_MAX ((uint64_t)0xFFFFFFFFFFFFFFFF)
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#define INTMAX_MIN INT64_MIN
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#define INTMAX_MAX INT64_MAX
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#define UINTMAX_MAX UINT64_MAX
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#endif /* STDINT_H */
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