56 lines
1.5 KiB
C
56 lines
1.5 KiB
C
/*
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* Copyright (c) 2017 Intel Corporation
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef ZEPHYR_INCLUDE_TOOLCHAIN_XCC_H_
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#define ZEPHYR_INCLUDE_TOOLCHAIN_XCC_H_
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#include <toolchain/gcc.h>
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#include <stdbool.h>
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/* XCC doesn't support __COUNTER__ but this should be good enough */
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#define __COUNTER__ __LINE__
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#undef __in_section_unique
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#define __in_section_unique(seg) \
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__attribute__((section("." STRINGIFY(seg) "." STRINGIFY(__COUNTER__))))
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#ifndef __GCC_LINKER_CMD__
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#include <xtensa/config/core.h>
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/*
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* XCC does not define the following macros with the expected names, but the
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* HAL defines similar ones. Thus we include it and define the missing macros
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* ourselves.
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*/
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#ifndef __BYTE_ORDER__
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#define __BYTE_ORDER__ XCHAL_MEMORY_ORDER
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#endif
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#ifndef __ORDER_BIG_ENDIAN__
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#define __ORDER_BIG_ENDIAN__ XTHAL_BIGENDIAN
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#endif
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#ifndef __ORDER_LITTLE_ENDIAN__
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#define __ORDER_LITTLE_ENDIAN__ XTHAL_LITTLEENDIAN
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#endif
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#endif /* __GCC_LINKER_CMD__ */
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#define __builtin_unreachable() do { __ASSERT(false, "Unreachable code"); } \
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while (true)
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/* TODO: XCC doesn't define the below macros which are useful for checking
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* overflows. This needs to be fixed.
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*/
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#define __builtin_add_overflow(a, b, output) \
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({ *output = (a) + (b); false; })
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#define __builtin_mul_overflow(a, b, output) \
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({ *output = (a) * (b); false; })
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#define __builtin_umul_overflow(a, b, output) \
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({ *output = (a) * (b); false; })
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#define __builtin_umulll_overflow(a, b, output) \
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({ *output = (a) * (b); false; })
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#endif
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