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pipeline refactoring

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This commit is contained in:
Blaise Tine
2020-07-21 05:22:47 -04:00
parent e2100e9e87
commit dc7efbcfb4
31 changed files with 1437 additions and 6038 deletions
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26
hw/rtl/VX_warp_sched.v
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@@ -20,7 +20,7 @@ module VX_warp_sched #(
wire update_visible_active;
wire scheduled_warp;
wire [(1+32+`NUM_THREADS-1):0] d[`NUM_WARPS-1:0];
wire [(1+32+`NUM_THREADS-1):0] ipdom[`NUM_WARPS-1:0];
wire join_fall;
wire [31:0] join_pc;
@@ -71,9 +71,8 @@ module VX_warp_sched #(
wire stall;
integer i;
always @(posedge clk) begin
integer i;
if (reset) begin
for (i = 0; i < `NUM_BARRIERS; i++) begin
barrier_stall_mask[i] <= 0;
@@ -99,9 +98,9 @@ module VX_warp_sched #(
end else begin
if (warp_ctl_if.wspawn) begin
warp_active <= warp_ctl_if.wspawn_new_active;
use_wspawn_pc <= warp_ctl_if.wspawn_pc;
use_wspawn <= warp_ctl_if.wspawn_new_active & (~`NUM_WARPS'b1);
warp_active <= warp_ctl_if.wspawn_new_active;
use_wspawn_pc <= warp_ctl_if.wspawn_pc;
use_wspawn <= warp_ctl_if.wspawn_new_active & (~`NUM_WARPS'(1));
end
if (warp_ctl_if.is_barrier) begin
@@ -205,13 +204,12 @@ module VX_warp_sched #(
wire [(1+32+`NUM_THREADS-1):0] q1 = {1'b1, 32'b0, thread_masks[warp_ctl_if.warp_num]};
wire [(1+32+`NUM_THREADS-1):0] q2 = {1'b0, warp_ctl_if.split_save_pc, warp_ctl_if.split_later_mask};
assign {join_fall, join_pc, join_tm} = d[join_if.warp_num];
assign {join_fall, join_pc, join_tm} = ipdom[join_if.warp_num];
genvar j;
for (j = 0; j < `NUM_WARPS; j++) begin : stacks
wire correct_warp_s = (j == warp_ctl_if.warp_num);
wire correct_warp_j = (j == join_if.warp_num);
genvar i;
for (i = 0; i < `NUM_WARPS; i++) begin : stacks
wire correct_warp_s = (i == warp_ctl_if.warp_num);
wire correct_warp_j = (i == join_if.warp_num);
wire push = (warp_ctl_if.is_split && warp_ctl_if.do_split) && correct_warp_s;
wire pop = join_if.is_join && correct_warp_j;
@@ -224,11 +222,11 @@ module VX_warp_sched #(
.reset(reset),
.push (push),
.pop (pop),
.d (d[i]),
.d (ipdom[i]),
.q1 (q1),
.q2 (q2)
);
end
end
wire should_bra = (branch_ctl_if.valid && branch_ctl_if.taken && (warp_to_schedule == branch_ctl_if.warp_num));