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rtl: Add missing reset to PC carry-in flops #172

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rtl: Add missing reset to PC carry-in flops #172

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15 changes: 12 additions & 3 deletions rtl/serv_ctrl.v
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Original file line number Diff line number Diff line change
Expand Up @@ -98,11 +98,20 @@ module serv_ctrl
assign pc_plus_offset_cy_r_w[0] = pc_plus_offset_cy_r;
assign pc_plus_4_cy_r_w[0] = pc_plus_4_cy_r;

initial if (RESET_STRATEGY == "NONE") o_ibus_adr = RESET_PC;
initial if (RESET_STRATEGY == "NONE") begin
o_ibus_adr = RESET_PC;
pc_plus_4_cy_r = 1'b0;
pc_plus_offset_cy_r = 1'b0;
end

always @(posedge clk) begin
pc_plus_4_cy_r <= i_pc_en & pc_plus_4_cy;
pc_plus_offset_cy_r <= i_pc_en & pc_plus_offset_cy;
if (RESET_STRATEGY != "NONE" && i_rst) begin
pc_plus_4_cy_r <= 1'b0;
pc_plus_offset_cy_r <= 1'b0;
end else begin
pc_plus_4_cy_r <= i_pc_en & pc_plus_4_cy;
pc_plus_offset_cy_r <= i_pc_en & pc_plus_offset_cy;
end

if (RESET_STRATEGY == "NONE") begin
if (i_pc_en)
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