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Fix backpressure bug

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This commit is contained in:
Alex Forencich 2020-04-17 21:22:07 -07:00
parent fd1ec1690f
commit 4754d94736
1 changed files with 1 additions and 1 deletions
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2
rtl/axis_ram_switch.v
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@ -922,7 +922,7 @@ generate
end
// process commands and issue memory reads
if (cmd_valid_reg && (!ram_rd_en_reg || ram_rd_ack) && ($unsigned(out_fifo_ctrl_wr_ptr_reg - out_fifo_rd_ptr_reg) < 32)) begin
if (cmd_valid_reg && !cmd_status_valid_next && (!ram_rd_en_reg || ram_rd_ack) && ($unsigned(out_fifo_ctrl_wr_ptr_reg - out_fifo_rd_ptr_reg) < 32)) begin
// update counters
rd_ptr_next[ADDR_WIDTH-1:0] = rd_ptr_reg[ADDR_WIDTH-1:0] + 1;
len_next = len_reg - 1;