project directories reorganization

2020-04-14 06:35:20 -04:00
parent 1de06fd9c0
commit fc155e1223
1056 changed files with 8120 additions and 8120 deletions
--- a/hw/rtl/VX_fetch.v
+++ b/hw/rtl/VX_fetch.v
@@ -0,0 +1,105 @@
+`include "VX_define.v"
+
+module VX_fetch (
+	input  wire              clk,
+	input  wire              reset,
+	VX_wstall_inter          VX_wstall,
+	VX_join_inter            VX_join,
+	input  wire              schedule_delay,
+	input  wire              icache_stage_delay,
+	input  wire[`NW_M1:0]    icache_stage_wid,
+	input  wire[`NT-1:0]     icache_stage_valids,
+
+	output wire              out_ebreak,
+	VX_jal_response_inter    VX_jal_rsp,
+	VX_branch_response_inter VX_branch_rsp,
+	VX_inst_meta_inter       fe_inst_meta_fi,
+	VX_warp_ctl_inter        VX_warp_ctl
+);
+
+		wire[`NT_M1:0] thread_mask;
+		wire[`NW_M1:0] warp_num;
+		wire[31:0]     warp_pc;
+		wire           scheduled_warp;
+
+
+		wire pipe_stall;
+
+
+		// Only reason this is there is because there is a hidden assumption that decode is exactly after fetch
+
+		// Locals
+
+
+		assign pipe_stall = schedule_delay || icache_stage_delay;
+
+		VX_warp_scheduler warp_scheduler(
+			.clk              (clk),
+			.reset            (reset),
+			.stall            (pipe_stall),
+
+			.is_barrier       (VX_warp_ctl.is_barrier),
+			.barrier_id       (VX_warp_ctl.barrier_id),
+			.num_warps        (VX_warp_ctl.num_warps),
+			.barrier_warp_num (VX_warp_ctl.warp_num),
+
+			// Wspawn
+			.wspawn           (VX_warp_ctl.wspawn),
+			.wsapwn_pc        (VX_warp_ctl.wspawn_pc),
+			.wspawn_new_active(VX_warp_ctl.wspawn_new_active),
+			// CTM
+			.ctm              (VX_warp_ctl.change_mask),
+			.ctm_mask         (VX_warp_ctl.thread_mask),
+			.ctm_warp_num     (VX_warp_ctl.warp_num),
+			// WHALT
+			.whalt            (VX_warp_ctl.ebreak),
+			.whalt_warp_num   (VX_warp_ctl.warp_num),
+			// Wstall
+			.wstall           (VX_wstall.wstall),
+			.wstall_warp_num  (VX_wstall.warp_num),
+
+			// Lock/release Stuff
+			.icache_stage_valids(icache_stage_valids),
+			.icache_stage_wid   (icache_stage_wid),
+
+			// Join
+			.is_join           (VX_join.is_join),
+			.join_warp_num     (VX_join.join_warp_num),
+
+			// Split
+			.is_split          (VX_warp_ctl.is_split),
+			.dont_split        (VX_warp_ctl.dont_split),
+			.split_new_mask    (VX_warp_ctl.split_new_mask),
+			.split_later_mask  (VX_warp_ctl.split_later_mask),
+			.split_save_pc     (VX_warp_ctl.split_save_pc),
+			.split_warp_num    (VX_warp_ctl.warp_num),
+
+			// JAL
+			.jal              (VX_jal_rsp.jal),
+			.jal_dest         (VX_jal_rsp.jal_dest),
+			.jal_warp_num     (VX_jal_rsp.jal_warp_num),
+
+			// Branch
+			.branch_valid     (VX_branch_rsp.valid_branch),
+			.branch_dir       (VX_branch_rsp.branch_dir),
+			.branch_dest      (VX_branch_rsp.branch_dest),
+			.branch_warp_num  (VX_branch_rsp.branch_warp_num),
+
+			// Outputs
+			.thread_mask      (thread_mask),
+			.warp_num         (warp_num),
+			.warp_pc          (warp_pc),
+			.out_ebreak       (out_ebreak),
+			.scheduled_warp   (scheduled_warp)
+			);
+
+		assign fe_inst_meta_fi.warp_num    = warp_num;
+		assign fe_inst_meta_fi.valid       = thread_mask;
+		assign fe_inst_meta_fi.instruction = 32'h0;
+		assign fe_inst_meta_fi.inst_pc     = warp_pc;
+
+		wire start_mat_add = scheduled_warp && (warp_pc == 32'h80000ed8) && (warp_num == 0);
+		wire end_mat_add   = scheduled_warp && (warp_pc == 32'h80000fbc) && (warp_num == 0);
+
+
+endmodule