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minor updates

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This commit is contained in:
Blaise Tine
2021-01-17 12:50:07 -08:00
parent a69ba5ad7b
commit 98945df5ae
2 changed files with 20 additions and 16 deletions
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23
hw/rtl/VX_instr_demux.v
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@@ -145,15 +145,18 @@ module VX_instr_demux (
);
// can take next request?
assign execute_if.ready = (alu_req_ready && (execute_if.ex_type == `EX_ALU))
|| (lsu_req_ready && (execute_if.ex_type == `EX_LSU))
|| (csr_req_ready && (execute_if.ex_type == `EX_CSR))
`ifdef EXT_M_ENABLE
|| (mul_req_ready && (execute_if.ex_type == `EX_MUL))
`endif
`ifdef EXT_F_ENABLE
|| (fpu_req_ready && (execute_if.ex_type == `EX_FPU))
`endif
|| (gpu_req_ready && (execute_if.ex_type == `EX_GPU));
reg ready_r;
always @(*) begin
case (execute_if.ex_type)
`EX_ALU: ready_r = alu_req_ready;
`EX_LSU: ready_r = lsu_req_ready;
`EX_CSR: ready_r = csr_req_ready;
`EX_MUL: ready_r = mul_req_ready;
`EX_FPU: ready_r = fpu_req_ready;
`EX_GPU: ready_r = gpu_req_ready;
default: ready_r = 1'b1; // ignore NOPs
endcase
end
assign execute_if.ready = ready_r;
endmodule