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Make all functions automatic #126

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Make all functions automatic #126

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2 changes: 1 addition & 1 deletion design/ifu/ifu.sv
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Original file line number Diff line number Diff line change
Expand Up @@ -394,7 +394,7 @@ assign tmp_bnk[2:0] = encode8_3(bp.btb_sel_f2[7:0]);
if(dec_tlu_br1_wb_pkt.br_error | dec_tlu_br1_wb_pkt.br_start_error)
$display("%7d BTB_ERR1: index: %0h bank: %0h start: %b rfpc: %h way: %h", `DEC.tlu.mcyclel[31:0]+32'ha,dec_tlu_br1_wb_pkt.index[`RV_BTB_ADDR_HI:`RV_BTB_ADDR_LO],dec_tlu_br1_wb_pkt.bank[1:0], dec_tlu_br1_wb_pkt.br_start_error, {exu_flush_path_final[31:1], 1'b0}, dec_tlu_br1_wb_pkt.way);
end // always @ (negedge clk)
function [2:0] encode8_3;
function automatic [2:0] encode8_3;
input [7:0] in;

encode8_3[2] = |in[7:4];
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12 changes: 6 additions & 6 deletions design/ifu/ifu_bp_ctl.sv
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Original file line number Diff line number Diff line change
Expand Up @@ -1703,15 +1703,15 @@ assign fgmask_f2[0] = (~ifc_fetch_addr_f2[3] & ~ifc_fetch_addr_f2[2]



function [2:0] encode8_3;
function automatic [2:0] encode8_3;
input [7:0] in;

encode8_3[2] = |in[7:4];
encode8_3[1] = in[7] | in[6] | in[3] | in[2];
encode8_3[0] = in[7] | in[5] | in[3] | in[1];

endfunction
function [7:0] decode3_8;
function automatic [7:0] decode3_8;
input [2:0] in;

decode3_8[7] = in[2] & in[1] & in[0];
Expand All @@ -1724,7 +1724,7 @@ assign fgmask_f2[0] = (~ifc_fetch_addr_f2[3] & ~ifc_fetch_addr_f2[2]
decode3_8[0] = ~in[2] & ~in[1] & ~in[0];

endfunction
function [3:0] decode2_4;
function automatic [3:0] decode2_4;
input [1:0] in;

decode2_4[3] = in[1] & in[0];
Expand All @@ -1734,7 +1734,7 @@ assign fgmask_f2[0] = (~ifc_fetch_addr_f2[3] & ~ifc_fetch_addr_f2[2]

endfunction

function [3:0] countones;
function automatic [3:0] countones;
input [7:0] valid;

begin
Expand All @@ -1749,7 +1749,7 @@ countones[3:0] = {3'b0, valid[7]} +
{3'b0, valid[0]};
end
endfunction
function [2:0] newlru; // updated lru
function automatic [2:0] newlru; // updated lru
input [2:0] lru;// current lru
input [1:0] used;// hit way
begin
Expand All @@ -1765,7 +1765,7 @@ newlru[0] = (~lru[2] & lru[1] & ~used[1] & ~used[0]) | (~lru[1] & ~lru[0] & used
end
endfunction //

function [1:0] lru2way; // new repl way taking invalid ways into account
function automatic [1:0] lru2way; // new repl way taking invalid ways into account
input [2:0] lru; // current lru
input [2:0] v; // current way valids
begin
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