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// # << NEORV32: neorv32_cfu.h - CPU Core - CFU Co-Processor Hardware Driver >>                    #
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// # BSD 3-Clause License                                                                          #
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// # Copyright (c) 2022, Stephan Nolting. All rights reserved.                                     #
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/**********************************************************************//**
 * @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
