Files
kernels/hw/rtl/VX_execute.v
Blaise Tine 4bfc4ee78f scope fixes
2020-10-13 08:44:55 -07:00

138 lines
3.7 KiB
Verilog

`include "VX_define.vh"
module VX_execute #(
parameter CORE_ID = 0
) (
`SCOPE_IO_VX_execute
input wire clk,
input wire reset,
// CSR io interface
VX_csr_io_req_if csr_io_req_if,
VX_csr_io_rsp_if csr_io_rsp_if,
// Dcache interface
VX_cache_core_req_if dcache_req_if,
VX_cache_core_rsp_if dcache_rsp_if,
// perf
VX_cmt_to_csr_if cmt_to_csr_if,
// inputs
VX_alu_req_if alu_req_if,
VX_lsu_req_if lsu_req_if,
VX_csr_req_if csr_req_if,
VX_mul_req_if mul_req_if,
VX_fpu_req_if fpu_req_if,
VX_gpu_req_if gpu_req_if,
// outputs
VX_csr_to_issue_if csr_to_issue_if,
VX_branch_ctl_if branch_ctl_if,
VX_warp_ctl_if warp_ctl_if,
VX_exu_to_cmt_if alu_commit_if,
VX_exu_to_cmt_if lsu_commit_if,
VX_exu_to_cmt_if csr_commit_if,
VX_exu_to_cmt_if mul_commit_if,
VX_fpu_to_cmt_if fpu_commit_if,
VX_exu_to_cmt_if gpu_commit_if,
output wire ebreak
);
VX_alu_unit #(
.CORE_ID(CORE_ID)
) alu_unit (
.clk (clk),
.reset (reset),
.alu_req_if (alu_req_if),
.branch_ctl_if (branch_ctl_if),
.alu_commit_if (alu_commit_if)
);
VX_lsu_unit #(
.CORE_ID(CORE_ID)
) lsu_unit (
`SCOPE_BIND_VX_execute_lsu_unit
.clk (clk),
.reset (reset),
.dcache_req_if (dcache_req_if),
.dcache_rsp_if (dcache_rsp_if),
.lsu_req_if (lsu_req_if),
.lsu_commit_if (lsu_commit_if)
);
VX_csr_unit #(
.CORE_ID(CORE_ID)
) csr_unit (
.clk (clk),
.reset (reset),
.cmt_to_csr_if (cmt_to_csr_if),
.csr_to_issue_if (csr_to_issue_if),
.csr_io_req_if (csr_io_req_if),
.csr_io_rsp_if (csr_io_rsp_if),
.csr_req_if (csr_req_if),
.csr_commit_if (csr_commit_if)
);
`ifdef EXT_M_ENABLE
VX_mul_unit #(
.CORE_ID(CORE_ID)
) mul_unit (
.clk (clk),
.reset (reset),
.mul_req_if (mul_req_if),
.mul_commit_if (mul_commit_if)
);
`else
assign mul_req_if.ready = 0;
assign mul_commit_if.valid = 0;
assign mul_commit_if.wid = 0;
assign mul_commit_if.PC = 0;
assign mul_commit_if.tmask = 0;
assign mul_commit_if.wb = 0;
assign mul_commit_if.rd = 0;
assign mul_commit_if.data = 0;
`endif
`ifdef EXT_F_ENABLE
VX_fpu_unit #(
.CORE_ID(CORE_ID)
) fpu_unit (
.clk (clk),
.reset (reset),
.fpu_req_if (fpu_req_if),
.fpu_commit_if (fpu_commit_if)
);
`else
assign fpu_req_if.ready = 0;
assign fpu_commit_if.valid = 0;
assign fpu_commit_if.wid = 0;
assign fpu_commit_if.PC = 0;
assign fpu_commit_if.tmask = 0;
assign fpu_commit_if.wb = 0;
assign fpu_commit_if.rd = 0;
assign fpu_commit_if.data = 0;
assign fpu_commit_if.has_fflags = 0;
assign fpu_commit_if.fflags = 0;
`endif
VX_gpu_unit #(
.CORE_ID(CORE_ID)
) gpu_unit (
`SCOPE_BIND_VX_execute_gpu_unit
.clk (clk),
.reset (reset),
.gpu_req_if (gpu_req_if),
.warp_ctl_if (warp_ctl_if),
.gpu_commit_if (gpu_commit_if)
);
assign ebreak = alu_req_if.valid
&& alu_req_if.is_br_op
&& (`BR_OP(alu_req_if.op_type) == `BR_EBREAK
|| `BR_OP(alu_req_if.op_type) == `BR_ECALL);
endmodule