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Decode in FE

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This commit is contained in:
felsabbagh3
2019-09-08 17:24:51 -04:00
parent ac9b06bf7d
commit 5e6804703f
28 changed files with 6806 additions and 6690 deletions
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65
rtl/VX_front_end.v
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@@ -1,37 +1,39 @@
`include "VX_define.v"
module VX_front_end (
input wire clk,
input wire reset,
input wire total_freeze,
input wire forwarding_fwd_stall,
input wire[`NW_M1:0] fetch_which_warp,
input wire execute_branch_stall,
VX_warp_ctl_inter VX_warp_ctl,
VX_inst_meta_inter fe_inst_meta_fd,
VX_wb_inter VX_writeback_inter,
VX_forward_reqeust_inter VX_fwd_req_de,
VX_forward_response_inter VX_fwd_rsp,
VX_frE_to_bckE_req_inter VX_bckE_req,
output wire decode_clone_stall,
output wire decode_branch_stall,
output wire[11:0] decode_csr_address
);
VX_frE_to_bckE_req_inter VX_frE_to_bckE_req();
VX_inst_meta_inter fd_inst_meta_de();
VX_fetch vx_fetch(
.clk (clk),
.reset (reset),
.in_branch_dir (memory_branch_dir),
.in_freeze (total_freeze),
.in_branch_dest (memory_branch_dest),
.in_branch_stall (decode_branch_stall),
.in_fwd_stall (forwarding_fwd_stall),
.in_branch_stall_exe(execute_branch_stall),
.in_clone_stall (decode_clone_stall),
.in_jal (e_m_jal),
.in_jal_dest (e_m_jal_dest),
.in_interrupt (interrupt),
.in_debug (debug),
.in_memory_warp_num (VX_mem_wb.warp_num),
.icache_response (icache_response_fe),
.VX_warp_ctl (VX_warp_ctl),
.icache_request (icache_request_fe),
.out_delay (fetch_delay),
.out_ebreak (fetch_ebreak),
.out_which_wspawn (fetch_which_warp),
.fe_inst_meta_fd (fe_inst_meta_fd)
);
// From decode
wire internal_decode_branch_stall;
wire internal_decode_clone_stall;
assign decode_clone_stall = internal_decode_clone_stall;
assign decode_branch_stall = internal_decode_branch_stall;
VX_f_d_reg vx_f_d_reg(
.clk (clk),
@@ -54,8 +56,8 @@ VX_decode vx_decode(
.VX_frE_to_bckE_req(VX_frE_to_bckE_req),
.VX_fwd_req_de (VX_fwd_req_de),
.VX_warp_ctl (VX_warp_ctl),
.out_clone_stall (decode_clone_stall),
.out_branch_stall (decode_branch_stall)
.out_clone_stall (internal_decode_clone_stall),
.out_branch_stall (internal_decode_branch_stall)
);
@@ -65,10 +67,15 @@ VX_d_e_reg vx_d_e_reg(
.in_fwd_stall (forwarding_fwd_stall),
.in_branch_stall(execute_branch_stall),
.in_freeze (total_freeze),
.in_clone_stall (decode_clone_stall),
.in_clone_stall (internal_decode_clone_stall),
.VX_frE_to_bckE_req(VX_frE_to_bckE_req),
.VX_bckE_req (VX_bckE_req)
);
endmodule
assign decode_csr_address = VX_frE_to_bckE_req.csr_address;
endmodule