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This commit is contained in:
felsabbagh3
2019-09-08 18:36:47 -04:00
parent ad45758a35
commit 981bf0afe5
20 changed files with 3202 additions and 3209 deletions
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57
rtl/VX_front_end.v
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@@ -4,36 +4,65 @@ module VX_front_end (
input wire clk,
input wire reset,
input wire total_freeze,
input wire forwarding_fwd_stall,
input wire memory_delay,
input wire[`NW_M1:0] fetch_which_warp,
input wire execute_branch_stall,
VX_icache_response_inter icache_response_fe,
VX_icache_request_inter icache_request_fe,
VX_jal_response_inter VX_jal_rsp,
VX_branch_response_inter VX_branch_rsp,
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
output wire[11:0] decode_csr_address,
output wire fetch_delay,
output wire fetch_ebreak
);
wire[`NW_M1:0] fetch_which_warp;
VX_warp_ctl_inter VX_warp_ctl();
VX_inst_meta_inter fe_inst_meta_fd();
VX_frE_to_bckE_req_inter VX_frE_to_bckE_req();
VX_inst_meta_inter fd_inst_meta_de();
// From decode
wire internal_decode_branch_stall;
wire internal_decode_clone_stall;
wire decode_branch_stall;
wire decode_clone_stall;
assign decode_clone_stall = internal_decode_clone_stall;
assign decode_branch_stall = internal_decode_branch_stall;
wire total_freeze = memory_delay || fetch_delay;
VX_fetch vx_fetch(
.clk (clk),
.reset (reset),
.in_memory_delay (memory_delay),
.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),
.VX_jal_rsp (VX_jal_rsp),
.icache_response (icache_response_fe),
.VX_warp_ctl (VX_warp_ctl),
.icache_request (icache_request_fe),
.VX_branch_rsp (VX_branch_rsp),
.out_delay (fetch_delay),
.out_ebreak (fetch_ebreak),
.out_which_wspawn (fetch_which_warp),
.fe_inst_meta_fd (fe_inst_meta_fd)
);
VX_f_d_reg vx_f_d_reg(
.clk (clk),
@@ -56,8 +85,8 @@ 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 (internal_decode_clone_stall),
.out_branch_stall (internal_decode_branch_stall)
.out_clone_stall (decode_clone_stall),
.out_branch_stall (decode_branch_stall)
);
@@ -67,7 +96,7 @@ 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 (internal_decode_clone_stall),
.in_clone_stall (decode_clone_stall),
.VX_frE_to_bckE_req(VX_frE_to_bckE_req),
.VX_bckE_req (VX_bckE_req)
);