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minor update

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This commit is contained in:
Blaise Tine 2024-08-27 01:19:02 -07:00
parent 5adfd5ec68
commit 4480ed8b0e
2 changed files with 7 additions and 4 deletions
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9
hw/rtl/libs/VX_cyclic_arbiter.sv
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@ -41,6 +41,7 @@ module VX_cyclic_arbiter #(
localparam IS_POW2 = (1 << LOG_NUM_REQS) == NUM_REQS;
wire [LOG_NUM_REQS-1:0] grant_index_um;
wire [NUM_REQS-1:0] grant_onehot_um;
reg [LOG_NUM_REQS-1:0] grant_index_r;
always @(posedge clk) begin
@ -59,13 +60,15 @@ module VX_cyclic_arbiter #(
.N (NUM_REQS)
) priority_encoder (
.data_in (requests),
`UNUSED_PIN (onehot_out),
.onehot_out (grant_onehot_um),
.index_out (grant_index_um),
.valid_out (grant_valid)
);
assign grant_index = requests[grant_index_r] ? grant_index_r : grant_index_um;
assign grant_onehot = NUM_REQS'(grant_valid) << grant_index;
wire is_hit = requests[grant_index_r];
assign grant_index = is_hit ? grant_index_r : grant_index_um;
assign grant_onehot = is_hit ? (NUM_REQS'(1) << grant_index) : grant_onehot_um;
end

2
hw/rtl/mem/VX_local_mem.sv
View file

@ -123,7 +123,7 @@ module VX_local_mem import VX_gpu_pkg::*; #(
.NUM_OUTPUTS (NUM_BANKS),
.DATAW (REQ_DATAW),
.PERF_CTR_BITS (`PERF_CTR_BITS),
.ARBITER ("R"),
.ARBITER ("C"),
.OUT_BUF (3) // output should be registered for the data_store addressing
) req_xbar (
.clk (clk),