66 lines
1.5 KiB
C
66 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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/* toolchain/gcc.h errors out if __BYTE_ORDER__ cannot be determined
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* there. However, __BYTE_ORDER__ is actually being defined later in
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* this file. So define __BYTE_ORDER__ to skip the check in gcc.h
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* and undefine after including gcc.h.
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*
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* Clang has it defined so there is no need to work around.
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*/
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#ifndef __clang__
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#define __BYTE_ORDER__
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#endif
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#include <toolchain/gcc.h>
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#ifndef __clang__
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#undef __BYTE_ORDER__
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#endif
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#include <stdbool.h>
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#ifndef UINT32_C
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#define UINT32_C(x) x ## U
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#endif
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#ifndef __COUNTER__
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/* XCC (GCC-based compiler) doesn't support __COUNTER__
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* but this should be good enough
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*/
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#define __COUNTER__ __LINE__
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#endif
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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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#if XCHAL_MEMORY_ORDER == XTHAL_BIGENDIAN
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#define __BYTE_ORDER__ __ORDER_BIG_ENDIAN__
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#elif XCHAL_MEMORY_ORDER == XTHAL_LITTLEENDIAN
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#define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__
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#else
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#error "Cannot determine __BYTE_ORDER__"
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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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#endif
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