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library ieee;
use ieee.std_logic_1164.all;
use ieee.numeric_std.all;
use work.sim_types_pkg.all;
entity dma_controller_tb is
generic (
runner_cfg : string := ""
);
end entity;
architecture bench of dma_controller_tb is
constant num_desc : positive := 4;
subtype num_desc_range is natural range 0 to num_desc-1;
constant MEM_BYTES : positive := 512;
constant MEM_DWORDS : positive := MEM_BYTES/4;
function byte_range (desc : descriptor_t) return bit_vector is
-- Works if 0 to 1
-- variable v : bit_vector(0 to 1);
variable v : bit_vector(desc.address to desc.address + desc.length);
begin
return v;
end function;
begin
mm2s_buffer_destroy: process
variable desc : descriptor_t := (8, 8);
begin
wait for 50 ns;
for i in byte_range(desc)'range loop
call_report(i);
assert i >= 8 and i <= 16 severity failure;
-- Works for below
--for i in 0 to 1 loop
-- set_permissions(mm2s_memory, i, no_access);
end loop;
wait;
end process;
end architecture;
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