56 lines
4.2 KiB
C
56 lines
4.2 KiB
C
// #################################################################################################
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// # << NEORV32: neorv32_amo.h - CPU Core - Atomic Memory Access Emulation Functions >> #
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// # ********************************************************************************************* #
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// # BSD 3-Clause License #
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// # #
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// # Copyright (c) 2023, Stephan Nolting. All rights reserved. #
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// # #
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// # Redistribution and use in source and binary forms, with or without modification, are #
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// # permitted provided that the following conditions are met: #
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// # #
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// # 1. Redistributions of source code must retain the above copyright notice, this list of #
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// # conditions and the following disclaimer. #
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// # #
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// # 2. Redistributions in binary form must reproduce the above copyright notice, this list of #
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// # conditions and the following disclaimer in the documentation and/or other materials #
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// # provided with the distribution. #
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// # #
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// # 3. Neither the name of the copyright holder nor the names of its contributors may be used to #
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// # endorse or promote products derived from this software without specific prior written #
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// # permission. #
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// # #
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// # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS #
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// # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF #
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// # MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE #
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// # COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, #
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// # EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE #
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// # GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED #
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// # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING #
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// # NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED #
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// # OF THE POSSIBILITY OF SUCH DAMAGE. #
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// # ********************************************************************************************* #
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// # The NEORV32 Processor - https://github.com/stnolting/neorv32 (c) Stephan Nolting #
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// #################################################################################################
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/**********************************************************************//**
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* @file neorv32_cpu_amo.h
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* @brief Atomic memory access (read-modify-write) emulation functions using LR/SC pairs - header file.
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**************************************************************************/
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#ifndef neorv32_cpu_amo_h
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#define neorv32_cpu_amo_h
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// prototypes
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uint32_t neorv32_cpu_amoswapw(uint32_t addr, uint32_t wdata);
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uint32_t neorv32_cpu_amoaddw(uint32_t addr, uint32_t wdata);
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uint32_t neorv32_cpu_amoandw(uint32_t addr, uint32_t wdata);
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uint32_t neorv32_cpu_amoorw(uint32_t addr, uint32_t wdata);
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uint32_t neorv32_cpu_amoxorw(uint32_t addr, uint32_t wdata);
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int32_t neorv32_cpu_amomaxw(uint32_t addr, int32_t wdata);
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uint32_t neorv32_cpu_amomaxuw(uint32_t addr, uint32_t wdata);
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int32_t neorv32_cpu_amominw(uint32_t addr, int32_t wdata);
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uint32_t neorv32_cpu_amominuw(uint32_t addr, uint32_t wdata);
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#endif // neorv32_cpu_amo_h
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