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arbiters unlock refactoring

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This commit is contained in:
Blaise Tine
2024-02-04 20:16:18 -08:00
parent fe15647f98
commit 6f7a389a1f
10 changed files with 74 additions and 97 deletions
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12
hw/rtl/libs/VX_fair_arbiter.sv
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@@ -21,17 +21,17 @@ module VX_fair_arbiter #(
) (
input wire clk,
input wire reset,
input wire unlock,
input wire [NUM_REQS-1:0] requests,
output wire [LOG_NUM_REQS-1:0] grant_index,
output wire [NUM_REQS-1:0] grant_onehot,
output wire grant_valid
output wire grant_valid,
input wire grant_unlock
);
if (NUM_REQS == 1) begin
`UNUSED_VAR (clk)
`UNUSED_VAR (reset)
`UNUSED_VAR (unlock)
`UNUSED_VAR (grant_unlock)
assign grant_index = '0;
assign grant_onehot = requests;
@@ -48,18 +48,14 @@ module VX_fair_arbiter #(
always @(posedge clk) begin
if (reset) begin
buffer <= '0;
end else if (!LOCK_ENABLE || unlock) begin
end else if (!LOCK_ENABLE || grant_unlock) begin
buffer <= buffer_n;
end
end
VX_priority_arbiter #(
.NUM_REQS (NUM_REQS),
.LOCK_ENABLE (LOCK_ENABLE)
) priority_arbiter (
.clk (clk),
.reset (reset),
.unlock (unlock),
.requests (requests_qual),
.grant_index (grant_index),
.grant_onehot (grant_onehot),