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Cache Working on Mem Copy

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This commit is contained in:
felsabbagh3
2020-03-08 01:55:15 -08:00
parent 4ed62f1aad
commit 3b11e1d72f
16 changed files with 228 additions and 61 deletions
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18
rtl/VX_fetch.v
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@@ -27,21 +27,11 @@ module VX_fetch (
// Only reason this is there is because there is a hidden assumption that decode is exactly after fetch
reg stall_might_be_branch;
always @(posedge clk) begin
if (reset) begin
stall_might_be_branch <= 0;
end else if ((stall_might_be_branch == 1'b1) && !icache_stage_delay && !schedule_delay) begin
stall_might_be_branch <= 0;
end else if (scheduled_warp == 1'b1) begin
stall_might_be_branch <= 1'b1;
end
end
// Locals
assign pipe_stall = schedule_delay || icache_stage_delay || (stall_might_be_branch && (icache_stage_wid == warp_num)) ;
assign pipe_stall = schedule_delay || icache_stage_delay;
VX_warp_scheduler warp_scheduler(
.clk (clk),
@@ -68,6 +58,10 @@ module VX_fetch (
.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),
@@ -100,7 +94,7 @@ module VX_fetch (
);
assign fe_inst_meta_fi.warp_num = warp_num;
assign fe_inst_meta_fi.valid = thread_mask && {`NT{!stall_might_be_branch}};
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;