neorv32_cfu.h File Reference

CPU Core custom functions unit HW driver header file. More...

#include <stdint.h>

Go to the source code of this file.

Macros
Low-level CFU custom instruction prototypes ("intrinsics").
Note that each instruction provides a uint32_t return value.
#define	neorv32_cfu_r_instr(funct7, funct3, rs1, rs2)
#define	neorv32_cfu_i_instr(funct3, imm12, rs1)

Functions
int	neorv32_cfu_available (void)

Detailed Description

CPU Core custom functions unit HW driver header file.

Macro Definition Documentation

neorv32_cfu_i_instr

#define neorv32_cfu_i_instr	(		funct3,
			imm12,
			rs1 )

Value:

CUSTOM_INSTR_I_TYPE(imm12, rs1, funct3, 0b0101011)

I-type CFU custom instruction (CUSTOM-1 opcode)

neorv32_cfu_r_instr

#define neorv32_cfu_r_instr	(		funct7,
			funct3,
			rs1,
			rs2 )

Value:

CUSTOM_INSTR_R_TYPE(funct7, rs2, rs1, funct3, 0b0001011)

R-type CFU custom instruction (CUSTOM-0 opcode)

Function Documentation

neorv32_cfu_available()

int neorv32_cfu_available

(

void

)

Prototypes

Check if custom functions unit was synthesized.

Returns

0 if CFU was not synthesized, non-zero if CFU is available.