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------------------------------------------------------------------------------- -- -- Copyright 2020 -- ASTRON (Netherlands Institute for Radio Astronomy) <http://www.astron.nl/> -- P.O.Box 2, 7990 AA Dwingeloo, The Netherlands -- -- Licensed under the Apache License, Version 2.0 (the "License"); -- you may not use this file except in compliance with the License. -- You may obtain a copy of the License at -- -- http://www.apache.org/licenses/LICENSE-2.0 -- -- Unless required by applicable law or agreed to in writing, software -- distributed under the License is distributed on an "AS IS" BASIS, -- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -- See the License for the specific language governing permissions and -- limitations under the License. -- ------------------------------------------------------------------------------- LIBRARY IEEE, common_pkg_lib, dp_pkg_lib; USE IEEE.std_logic_1164.ALL; USE common_pkg_lib.common_pkg.ALL; USE dp_pkg_lib.tb_dp_pkg.ALL; -- Purpose: Verify multiple variations of tb_dp_repack_data -- Description: -- Usage: -- > as 6 -- > run -all ENTITY tb_tb_dp_repack_data IS END tb_tb_dp_repack_data; ARCHITECTURE tb OF tb_tb_dp_repack_data IS CONSTANT c_nof_repeat : NATURAL := 5; CONSTANT c_flow : t_dp_flow_control_enum_arr := c_dp_flow_control_enum_arr; CONSTANT c_bool : t_nat_boolean_arr := c_nat_boolean_arr; SIGNAL tb_end : STD_LOGIC := '0'; -- declare tb_end to avoid 'No objects found' error on 'when -label tb_end' BEGIN -- -- general -- g_flow_control_stimuli : t_dp_flow_control_enum := e_active; -- always e_active, e_random or e_pulse flow control -- g_flow_control_verify : t_dp_flow_control_enum := e_active; -- always e_active, e_random or e_pulse flow control -- -- specific -- g_in_dat_w : NATURAL := 5; -- g_in_nof_words : NATURAL := 2; -- g_pack_dat_w : NATURAL := 16; -- g_pack_nof_words : NATURAL := 1; -- g_in_bypass : BOOLEAN := FALSE; -- can use TRUE when g_in_nof_words=1 or g_in_nof_words=g_out_nof_words -- g_pack_bypass : BOOLEAN := FALSE; -- can use TRUE when g_out_nof_words=1 or g_in_nof_words=g_out_nof_words -- g_in_symbol_w : NATURAL := 1; -- default 1 for snk_in.empty in nof bits, else use power of 2 -- g_pack_symbol_w : NATURAL := 1; -- default 1 for src_out.empty in nof bits, else use power of 2 -- g_nof_repeat : NATURAL := 10; -- g_pkt_len : NATURAL := 11; -- if not a multiple of g_in_nof_words then the input stage flush creates gap between blocks -- g_pkt_gap : NATURAL := 0 g_flow_control_stimuli : FOR I IN 0 TO 2 GENERATE -- 0 = e_active, 1 = e_random, 2 = e_pulse g_flow_control_verify : FOR J IN 0 TO 2 GENERATE -- 0 = e_active, 1 = e_random, 2 = e_pulse ------------------------------------------------------------------------- -- Tests that can use bypass -- . g_in_nof_words = 1 -- . g_out_nof_words = 1 -- . g_in_nof_words = g_in_nof_words >= 1 ------------------------------------------------------------------------- gen_bool_bypass : FOR K IN 0 TO 1 GENERATE gen_bool_bypass : FOR L IN 0 TO 1 GENERATE -- no repack, g_in_nof_words = g_out_nof_words = 1 u_16_1_16_1_len_10_gap_0 : ENTITY work.tb_dp_repack_data GENERIC MAP (c_flow(I), c_flow(J), 16, 1, 16, 1, c_bool(K), c_bool(L), 1, 1, c_nof_repeat, 10, 0); -- g_pkt_len > g_in_nof_words u_16_1_16_1_len_3_gap_0 : ENTITY work.tb_dp_repack_data GENERIC MAP (c_flow(I), c_flow(J), 16, 1, 16, 1, c_bool(K), c_bool(L), 1, 1, c_nof_repeat, 3, 0); -- g_pkt_len > g_in_nof_words, odd u_16_1_16_1_len_2_gap_0 : ENTITY work.tb_dp_repack_data GENERIC MAP (c_flow(I), c_flow(J), 16, 1, 16, 1, c_bool(K), c_bool(L), 1, 1, c_nof_repeat, 2, 0); -- g_pkt_len > g_in_nof_words, even u_16_1_16_1_len_1_gap_0 : ENTITY work.tb_dp_repack_data GENERIC MAP (c_flow(I), c_flow(J), 16, 1, 16, 1, c_bool(K), c_bool(L), 1, 1, c_nof_repeat, 1, 0); -- g_pkt_len = g_in_nof_words u_16_1_16_1_len_1_gap_1 : ENTITY work.tb_dp_repack_data GENERIC MAP (c_flow(I), c_flow(J), 16, 1, 16, 1, c_bool(K), c_bool(L), 1, 1, c_nof_repeat, 1, 1); -- g_pkt_gap > 0 END GENERATE; -- no repack, g_in_nof_words = g_out_nof_words > 1 u_16_3_16_3_len_10_gap_0 : ENTITY work.tb_dp_repack_data GENERIC MAP (c_flow(I), c_flow(J), 16, 3, 16, 3, c_bool(K), c_bool(K), 1, 1, c_nof_repeat, 10, 0); -- g_in_nof_words > g_pack_nof_words can use always active stimuli except when g_pkt_len MOD g_in_nof_words /= 0, because then the input stage needs to flush u_8_4_32_1_len_1_gap_0 : ENTITY work.tb_dp_repack_data GENERIC MAP (c_flow(I), c_flow(J), 8, 4, 32, 1, FALSE, c_bool(K), 1, 1, c_nof_repeat, 1, 0); -- g_pkt_len < g_in_nof_words u_8_4_32_1_len_2_gap_0 : ENTITY work.tb_dp_repack_data GENERIC MAP (c_flow(I), c_flow(J), 8, 4, 32, 1, FALSE, c_bool(K), 1, 1, c_nof_repeat, 2, 0); -- g_pkt_len = g_in_nof_words u_8_4_32_1_len_3_gap_0 : ENTITY work.tb_dp_repack_data GENERIC MAP (c_flow(I), c_flow(J), 8, 4, 32, 1, FALSE, c_bool(K), 1, 1, c_nof_repeat, 3, 0); -- g_pkt_len > g_in_nof_words, MOD /= 0 u_8_4_32_1_len_10_gap_0 : ENTITY work.tb_dp_repack_data GENERIC MAP (c_flow(I), c_flow(J), 8, 4, 32, 1, FALSE, c_bool(K), 1, 1, c_nof_repeat, 10, 0); -- g_pkt_len > g_in_nof_words, MOD /= 0 u_8_4_32_1_len_11_gap_0 : ENTITY work.tb_dp_repack_data GENERIC MAP (c_flow(I), c_flow(J), 8, 4, 32, 1, FALSE, c_bool(K), 1, 1, c_nof_repeat, 11, 0); -- g_pkt_len > g_in_nof_words, MOD /= 0 u_8_4_32_1_len_12_gap_0 : ENTITY work.tb_dp_repack_data GENERIC MAP (c_flow(I), c_flow(J), 8, 4, 32, 1, FALSE, c_bool(K), 1, 1, c_nof_repeat, 12, 0); -- g_pkt_len > g_in_nof_words, MOD = 0 u_8_4_32_1_len_12_gap_2 : ENTITY work.tb_dp_repack_data GENERIC MAP (c_flow(I), c_flow(J), 8, 4, 32, 1, FALSE, c_bool(K), 1, 1, c_nof_repeat, 12, 2); -- g_pkt_gap > 0 -- g_in_nof_words < g_pack_nof_words will apply backpressure, because the output stage needs to output more u_32_1_8_4_len_1_gap_0 : ENTITY work.tb_dp_repack_data GENERIC MAP (c_flow(I), c_flow(J), 32, 1, 8, 4, c_bool(K), FALSE, 1, 1, c_nof_repeat, 1, 0); -- g_pkt_len = g_in_nof_words u_32_1_8_4_len_2_gap_0 : ENTITY work.tb_dp_repack_data GENERIC MAP (c_flow(I), c_flow(J), 32, 1, 8, 4, c_bool(K), FALSE, 1, 1, c_nof_repeat, 2, 0); -- g_pkt_len > g_in_nof_words u_32_1_8_4_len_3_gap_0 : ENTITY work.tb_dp_repack_data GENERIC MAP (c_flow(I), c_flow(J), 32, 1, 8, 4, c_bool(K), FALSE, 1, 1, c_nof_repeat, 3, 0); -- g_pkt_len > g_in_nof_words u_32_1_8_4_len_10_gap_0 : ENTITY work.tb_dp_repack_data GENERIC MAP (c_flow(I), c_flow(J), 32, 1, 8, 4, c_bool(K), FALSE, 1, 1, c_nof_repeat, 10, 0); -- g_pkt_len > g_in_nof_words u_32_1_8_4_len_11_gap_1 : ENTITY work.tb_dp_repack_data GENERIC MAP (c_flow(I), c_flow(J), 32, 1, 8, 4, c_bool(K), FALSE, 1, 1, c_nof_repeat, 11, 1); -- g_pkt_gap > 0 -- g_in_dat_w MOD 8 /= 0, g_in_nof_words=1 u_14_1_8_2_len_10_gap_0 : ENTITY work.tb_dp_repack_data GENERIC MAP (c_flow(I), c_flow(J), 14, 1, 8, 2, c_bool(K), FALSE, 1, 1, c_nof_repeat, 10, 0); -- repack with subsection padding, even multiple of g_in_nof_words u_14_1_8_2_len_11_gap_0 : ENTITY work.tb_dp_repack_data GENERIC MAP (c_flow(I), c_flow(J), 14, 1, 8, 2, c_bool(K), FALSE, 1, 1, c_nof_repeat, 11, 0); -- repack with subsection padding, odd multiple of g_in_nof_words -- g_in_dat_w MOD 8 /= 0, g_out_nof_words=1 u_5_2_16_1_len_10_gap_0 : ENTITY work.tb_dp_repack_data GENERIC MAP (c_flow(I), c_flow(J), 5, 2, 16, 1, FALSE, c_bool(K), 1, 1, c_nof_repeat, 10, 0); -- repack with subsection padding, integer multiple of g_in_nof_words u_5_2_16_1_len_11_gap_0 : ENTITY work.tb_dp_repack_data GENERIC MAP (c_flow(I), c_flow(J), 5, 2, 16, 1, FALSE, c_bool(K), 1, 1, c_nof_repeat, 11, 0); -- repack with subsection padding, fractional multiple of g_in_nof_words -- g_in_nof_words=1, g_pack_nof_words>1 u_8_1_4_2_len_10_gap_0 : ENTITY work.tb_dp_repack_data GENERIC MAP (c_flow(I), c_flow(J), 8, 1, 4, 2, c_bool(K), FALSE, 1, 1, c_nof_repeat, 10, 0); u_512_1_32_16_len_1_gap_20 : ENTITY work.tb_dp_repack_data GENERIC MAP (c_flow(I), c_flow(J), 512, 1, 32, 16, c_bool(K), FALSE, 1, 1, c_nof_repeat, 1, 20); -- pack a larger header slv into g_pack_dat_w words -- serialize to and deserialize from g_pack_dat_w=1 bit u_8_1_1_8_len_10_gap_0 : ENTITY work.tb_dp_repack_data GENERIC MAP (c_flow(I), c_flow(J), 8, 1, 1, 8, c_bool(K), FALSE, 1, 1, c_nof_repeat, 10, 0); -- g_pack_dat_w=1 u_32_1_1_32_len_10_gap_7 : ENTITY work.tb_dp_repack_data GENERIC MAP (c_flow(I), c_flow(J), 32, 1, 1, 32, c_bool(K), FALSE, 1, 1, c_nof_repeat, 10, 7); -- g_pack_dat_w=1 -- g_in_symbol_w /= 1, g_out_symbol_w /= 1 u_20_1_8_3_symbol_1_4_len_10_gap_0 : ENTITY work.tb_dp_repack_data GENERIC MAP (c_flow(I), c_flow(J), 20, 1, 8, 3, c_bool(K), FALSE, 1, 4, c_nof_repeat, 10, 0); -- no repack u_20_1_8_3_symbol_4_1_len_10_gap_0 : ENTITY work.tb_dp_repack_data GENERIC MAP (c_flow(I), c_flow(J), 20, 1, 8, 3, c_bool(K), FALSE, 4, 1, c_nof_repeat, 10, 0); -- no repack u_20_1_8_3_symbol_4_4_len_10_gap_0 : ENTITY work.tb_dp_repack_data GENERIC MAP (c_flow(I), c_flow(J), 20, 1, 8, 3, c_bool(K), FALSE, 4, 4, c_nof_repeat, 10, 0); -- no repack -- pack ETH/IP/UDP header, g_in_symbol_w = 8, g_out_symbol_w = 8 u_336_1_32_11_symbol_8_8_len_1_gap_0 : ENTITY work.tb_dp_repack_data GENERIC MAP (c_flow(I), c_flow(J), 336, 1, 32, 11, c_bool(K), FALSE, 8, 8, c_nof_repeat, 1, 0); --pack to 32 bit --> empty = 2 u_336_1_64_6_symbol_8_8_len_1_gap_0 : ENTITY work.tb_dp_repack_data GENERIC MAP (c_flow(I), c_flow(J), 336, 1, 64, 6, c_bool(K), FALSE, 8, 8, c_nof_repeat, 1, 0); --pack to 64 bit --> empty = 6 END GENERATE; ------------------------------------------------------------------------- -- Tests that cannot use bypass ------------------------------------------------------------------------- -- g_in_nof_words > 1 and g_pack_nof_words > 1 u_24_2_16_3_len_1_gap_0 : ENTITY work.tb_dp_repack_data GENERIC MAP (c_flow(I), c_flow(J), 24, 2, 16, 3, FALSE, FALSE, 1, 1, c_nof_repeat, 1, 0); -- g_pkt_len < g_in_nof_words u_24_2_16_3_len_2_gap_0 : ENTITY work.tb_dp_repack_data GENERIC MAP (c_flow(I), c_flow(J), 24, 2, 16, 3, FALSE, FALSE, 1, 1, c_nof_repeat, 2, 0); -- g_pkt_len = g_in_nof_words u_24_2_16_3_len_3_gap_0 : ENTITY work.tb_dp_repack_data GENERIC MAP (c_flow(I), c_flow(J), 24, 2, 16, 3, FALSE, FALSE, 1, 1, c_nof_repeat, 3, 0); -- g_pkt_len = fractional multiple of g_in_nof_words u_24_2_16_3_len_10_gap_0 : ENTITY work.tb_dp_repack_data GENERIC MAP (c_flow(I), c_flow(J), 24, 2, 16, 3, FALSE, FALSE, 1, 1, c_nof_repeat, 10, 0); -- g_pkt_len = integer multiple of g_in_nof_words u_24_2_16_3_len_11_gap_0 : ENTITY work.tb_dp_repack_data GENERIC MAP (c_flow(I), c_flow(J), 24, 2, 16, 3, FALSE, FALSE, 1, 1, c_nof_repeat, 11, 0); -- g_pkt_len = fractional multiple of g_in_nof_words u_24_2_16_3_len_11_gap_3 : ENTITY work.tb_dp_repack_data GENERIC MAP (c_flow(I), c_flow(J), 24, 2, 16, 3, FALSE, FALSE, 1, 1, c_nof_repeat, 11, 3); -- g_pkt_gap > 0 -- g_in_dat_w MOD 8 /= 0 u_6_5_10_3_len_1_gap_0 : ENTITY work.tb_dp_repack_data GENERIC MAP (c_flow(I), c_flow(J), 6, 5, 10, 3, FALSE, FALSE, 1, 1, c_nof_repeat, 1, 0); -- g_pkt_len < g_in_nof_words u_6_5_10_3_len_2_gap_0 : ENTITY work.tb_dp_repack_data GENERIC MAP (c_flow(I), c_flow(J), 6, 5, 10, 3, FALSE, FALSE, 1, 1, c_nof_repeat, 2, 0); -- g_pkt_len < g_in_nof_words u_6_5_10_3_len_3_gap_0 : ENTITY work.tb_dp_repack_data GENERIC MAP (c_flow(I), c_flow(J), 6, 5, 10, 3, FALSE, FALSE, 1, 1, c_nof_repeat, 3, 0); -- g_pkt_len < g_in_nof_words u_6_5_10_3_len_4_gap_0 : ENTITY work.tb_dp_repack_data GENERIC MAP (c_flow(I), c_flow(J), 6, 5, 10, 3, FALSE, FALSE, 1, 1, c_nof_repeat, 4, 0); -- g_pkt_len < g_in_nof_words u_6_5_10_3_len_5_gap_0 : ENTITY work.tb_dp_repack_data GENERIC MAP (c_flow(I), c_flow(J), 6, 5, 10, 3, FALSE, FALSE, 1, 1, c_nof_repeat, 5, 0); -- g_pkt_len = g_in_nof_words u_6_5_10_3_len_10_gap_0 : ENTITY work.tb_dp_repack_data GENERIC MAP (c_flow(I), c_flow(J), 6, 5, 10, 3, FALSE, FALSE, 1, 1, c_nof_repeat, 10, 0); -- g_pkt_len = integer multiple of g_in_nof_words u_6_5_10_3_len_11_gap_0 : ENTITY work.tb_dp_repack_data GENERIC MAP (c_flow(I), c_flow(J), 6, 5, 10, 3, FALSE, FALSE, 1, 1, c_nof_repeat, 11, 0); -- g_pkt_len = fractional multiple of g_in_nof_words u_6_5_10_3_len_21_gap_3 : ENTITY work.tb_dp_repack_data GENERIC MAP (c_flow(I), c_flow(J), 6, 5, 10, 3, FALSE, FALSE, 1, 1, c_nof_repeat, 21, 3); -- g_pkt_gap > 0 -- subsection padding, g_in_dat_w * g_in_nof_words < g_pack_dat_w * g_pack_nof_words u_18_2_8_5_len_1_gap_0 : ENTITY work.tb_dp_repack_data GENERIC MAP (c_flow(I), c_flow(J), 18, 2, 8, 5, FALSE, FALSE, 1, 1, c_nof_repeat, 1, 0); -- g_pkt_len < g_in_nof_words u_18_2_8_5_len_2_gap_0 : ENTITY work.tb_dp_repack_data GENERIC MAP (c_flow(I), c_flow(J), 18, 2, 8, 5, FALSE, FALSE, 1, 1, c_nof_repeat, 2, 0); -- g_pkt_len = g_in_nof_words u_18_2_8_5_len_3_gap_0 : ENTITY work.tb_dp_repack_data GENERIC MAP (c_flow(I), c_flow(J), 18, 2, 8, 5, FALSE, FALSE, 1, 1, c_nof_repeat, 3, 0); -- g_pkt_len = fractional multiple of g_in_nof_words u_18_2_8_5_len_10_gap_0 : ENTITY work.tb_dp_repack_data GENERIC MAP (c_flow(I), c_flow(J), 18, 2, 8, 5, FALSE, FALSE, 1, 1, c_nof_repeat, 10, 0); -- g_pkt_len = integer multiple of g_in_nof_words END GENERATE; END GENERATE; END tb;