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[/] [neorv32/] [trunk/] [sw/] [lib/] [include/] [neorv32_cpu_cfu.h] - Rev 74

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// #################################################################################################
// # << NEORV32: neorv32_cfu.h - CPU Core - CFU Co-Processor Hardware Driver >>                    #
// # ********************************************************************************************* #
// # BSD 3-Clause License                                                                          #
// #                                                                                               #
// # Copyright (c) 2022, Stephan Nolting. All rights reserved.                                     #
// #                                                                                               #
// # Redistribution and use in source and binary forms, with or without modification, are          #
// # permitted provided that the following conditions are met:                                     #
// #                                                                                               #
// # 1. Redistributions of source code must retain the above copyright notice, this list of        #
// #    conditions and the following disclaimer.                                                   #
// #                                                                                               #
// # 2. Redistributions in binary form must reproduce the above copyright notice, this list of     #
// #    conditions and the following disclaimer in the documentation and/or other materials        #
// #    provided with the distribution.                                                            #
// #                                                                                               #
// # 3. Neither the name of the copyright holder nor the names of its contributors may be used to  #
// #    endorse or promote products derived from this software without specific prior written      #
// #    permission.                                                                                #
// #                                                                                               #
// # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS   #
// # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF               #
// # MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE    #
// # COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,     #
// # EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE #
// # GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED    #
// # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING     #
// # NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED  #
// # OF THE POSSIBILITY OF SUCH DAMAGE.                                                            #
// # ********************************************************************************************* #
// # The NEORV32 Processor - https://github.com/stnolting/neorv32              (c) Stephan Nolting #
// #################################################################################################
 
 
/**********************************************************************//**
 * @file neorv32_cpu_cfu.h
 * @brief CPU Core custom functions unit HW driver header file.
 **************************************************************************/
 
#ifndef neorv32_cpu_cfu_h
#define neorv32_cpu_cfu_h
 
// prototypes
int neorv32_cpu_cfu_available(void);
 
 
/**********************************************************************//**
 * @name CFU custom instructions ("intrinsics")
 **************************************************************************/
/**@{*/
/** CFU custom instruction 0 (funct3 = 000) */
#define neorv32_cfu_cmd0(funct7, rs1, rs2) CUSTOM_INSTR_R2_TYPE(funct7, rs2, rs1, 0, RISCV_OPCODE_CUSTOM0)
/** CFU custom instruction 1 (funct3 = 001) */
#define neorv32_cfu_cmd1(funct7, rs1, rs2) CUSTOM_INSTR_R2_TYPE(funct7, rs2, rs1, 1, RISCV_OPCODE_CUSTOM0)
/** CFU custom instruction 2 (funct3 = 010) */
#define neorv32_cfu_cmd2(funct7, rs1, rs2) CUSTOM_INSTR_R2_TYPE(funct7, rs2, rs1, 2, RISCV_OPCODE_CUSTOM0)
/** CFU custom instruction 3 (funct3 = 011) */
#define neorv32_cfu_cmd3(funct7, rs1, rs2) CUSTOM_INSTR_R2_TYPE(funct7, rs2, rs1, 3, RISCV_OPCODE_CUSTOM0)
/** CFU custom instruction 4 (funct3 = 100) */
#define neorv32_cfu_cmd4(funct7, rs1, rs2) CUSTOM_INSTR_R2_TYPE(funct7, rs2, rs1, 4, RISCV_OPCODE_CUSTOM0)
/** CFU custom instruction 5 (funct3 = 101) */
#define neorv32_cfu_cmd5(funct7, rs1, rs2) CUSTOM_INSTR_R2_TYPE(funct7, rs2, rs1, 5, RISCV_OPCODE_CUSTOM0)
/** CFU custom instruction 6 (funct3 = 110) */
#define neorv32_cfu_cmd6(funct7, rs1, rs2) CUSTOM_INSTR_R2_TYPE(funct7, rs2, rs1, 6, RISCV_OPCODE_CUSTOM0)
/** CFU custom instruction 7 (funct3 = 111) */
#define neorv32_cfu_cmd7(funct7, rs1, rs2) CUSTOM_INSTR_R2_TYPE(funct7, rs2, rs1, 7, RISCV_OPCODE_CUSTOM0)
/**@}*/
 
#endif // neorv32_cpu_cfu_h
 

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