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42
hw/rtl/cache/VX_snp_fwd_arb.v
vendored
42
hw/rtl/cache/VX_snp_fwd_arb.v
vendored
@@ -1,38 +1,38 @@
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`include "VX_cache_config.vh"
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module VX_snp_fwd_arb #(
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parameter NUM_BANKS = 8
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parameter NUM_BANKS = 8
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) (
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input wire [NUM_BANKS-1:0] per_bank_snp_fwd_valid,
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input wire [NUM_BANKS-1:0] per_bank_snp_fwd_valid,
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input wire [NUM_BANKS-1:0][31:0] per_bank_snp_fwd_addr,
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output reg [NUM_BANKS-1:0] per_bank_snp_fwd_pop,
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output wire snp_fwd_valid,
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output wire [31:0] snp_fwd_addr,
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input wire snp_fwd_ready
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input wire snp_fwd_ready
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);
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wire [NUM_BANKS-1:0] qual_per_bank_snp_fwd = per_bank_snp_fwd_valid & {NUM_BANKS{snp_fwd_ready}};
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wire [NUM_BANKS-1:0] qual_per_bank_snp_fwd = per_bank_snp_fwd_valid & {NUM_BANKS{snp_fwd_ready}};
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wire [`LOG2UP(NUM_BANKS)-1:0] fsq_bank;
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wire fsq_valid;
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wire [`LOG2UP(NUM_BANKS)-1:0] fsq_bank;
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wire fsq_valid;
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VX_generic_priority_encoder #(
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.N(NUM_BANKS)
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) sel_ffsq (
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.valids (qual_per_bank_snp_fwd),
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.index (fsq_bank),
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.found (fsq_valid)
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);
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VX_generic_priority_encoder #(
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.N(NUM_BANKS)
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) sel_ffsq (
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.valids (qual_per_bank_snp_fwd),
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.index (fsq_bank),
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.found (fsq_valid)
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);
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assign snp_fwd_valid = fsq_valid;
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assign snp_fwd_addr = per_bank_snp_fwd_addr[fsq_bank];
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assign snp_fwd_valid = fsq_valid;
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assign snp_fwd_addr = per_bank_snp_fwd_addr[fsq_bank];
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always @(*) begin
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per_bank_snp_fwd_pop = 0;
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if (fsq_valid) begin
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per_bank_snp_fwd_pop[fsq_bank] = 1;
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end
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end
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always @(*) begin
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per_bank_snp_fwd_pop = 0;
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if (fsq_valid) begin
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per_bank_snp_fwd_pop[fsq_bank] = 1;
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end
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end
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endmodule
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