Files
vortex/hw/rtl/VX_print_instr.vh
2021-07-30 21:03:14 -07:00

140 lines
4.4 KiB
Systemverilog

`ifndef VX_PRINT_INSTR
`define VX_PRINT_INSTR
`include "VX_define.vh"
task print_ex_type (
input [`EX_BITS-1:0] ex_type
);
case (ex_type)
`EX_ALU: $write("ALU");
`EX_LSU: $write("LSU");
`EX_CSR: $write("CSR");
`EX_FPU: $write("FPU");
`EX_GPU: $write("GPU");
default: $write("NOP");
endcase
endtask
task print_ex_op (
input [`EX_BITS-1:0] ex_type,
input [`OP_BITS-1:0] op_type,
input [`MOD_BITS-1:0] op_mod
);
case (ex_type)
`EX_ALU: begin
if (`ALU_IS_BR(op_mod)) begin
case (`BR_BITS'(op_type))
`BR_EQ: $write("BEQ");
`BR_NE: $write("BNE");
`BR_LT: $write("BLT");
`BR_GE: $write("BGE");
`BR_LTU: $write("BLTU");
`BR_GEU: $write("BGEU");
`BR_JAL: $write("JAL");
`BR_JALR: $write("JALR");
`BR_ECALL: $write("ECALL");
`BR_EBREAK:$write("EBREAK");
`BR_MRET: $write("MRET");
`BR_SRET: $write("SRET");
`BR_DRET: $write("DRET");
default: $write("?");
endcase
end else if (`ALU_IS_MUL(op_mod)) begin
case (`MUL_BITS'(op_type))
`MUL_MUL: $write("MUL");
`MUL_MULH: $write("MULH");
`MUL_MULHSU:$write("MULHSU");
`MUL_MULHU: $write("MULHU");
`MUL_DIV: $write("DIV");
`MUL_DIVU: $write("DIVU");
`MUL_REM: $write("REM");
`MUL_REMU: $write("REMU");
default: $write("?");
endcase
end else begin
case (`ALU_BITS'(op_type))
`ALU_ADD: $write("ADD");
`ALU_SUB: $write("SUB");
`ALU_SLL: $write("SLL");
`ALU_SRL: $write("SRL");
`ALU_SRA: $write("SRA");
`ALU_SLT: $write("SLT");
`ALU_SLTU: $write("SLTU");
`ALU_XOR: $write("XOR");
`ALU_OR: $write("OR");
`ALU_AND: $write("AND");
`ALU_LUI: $write("LUI");
`ALU_AUIPC: $write("AUIPC");
default: $write("?");
endcase
end
end
`EX_LSU: begin
case (`LSU_BITS'(op_type))
`LSU_LB: $write("LB");
`LSU_LH: $write("LH");
`LSU_LW: $write("LW");
`LSU_LBU:$write("LBU");
`LSU_LHU:$write("LHU");
`LSU_SB: $write("SB");
`LSU_SH: $write("SH");
`LSU_SW: $write("SW");
default: $write("?");
endcase
end
`EX_CSR: begin
case (`CSR_BITS'(op_type))
`CSR_RW: $write("CSRW");
`CSR_RS: $write("CSRS");
`CSR_RC: $write("CSRC");
default: $write("?");
endcase
end
`EX_FPU: begin
case (`FPU_BITS'(op_type))
`FPU_ADD: $write("ADD");
`FPU_SUB: $write("SUB");
`FPU_MUL: $write("MUL");
`FPU_DIV: $write("DIV");
`FPU_SQRT: $write("SQRT");
`FPU_MADD: $write("MADD");
`FPU_NMSUB: $write("NMSUB");
`FPU_NMADD: $write("NMADD");
`FPU_CVTWS: $write("CVTWS");
`FPU_CVTWUS:$write("CVTWUS");
`FPU_CVTSW: $write("CVTSW");
`FPU_CVTSWU:$write("CVTSWU");
`FPU_CLASS: $write("CLASS");
`FPU_CMP: $write("CMP");
`FPU_MISC: begin
case (op_mod)
0: $write("SGNJ");
1: $write("SGNJN");
2: $write("SGNJX");
3: $write("MIN");
4: $write("MAX");
5: $write("MVXW");
6: $write("MVWX");
endcase
end
default: $write("?");
endcase
end
`EX_GPU: begin
case (`GPU_BITS'(op_type))
`GPU_TMC: $write("TMC");
`GPU_WSPAWN:$write("WSPAWN");
`GPU_SPLIT: $write("SPLIT");
`GPU_JOIN: $write("JOIN");
`GPU_BAR: $write("BAR");
`GPU_TEX: $write("TEX");
default: $write("?");
endcase
end
default: $write("?");
endcase
endtask
`endif