FallenSigh
460a6ed70c
KeyGen's Keccak consumers (G/H via sha3, A via SampleNTT, C via CBD) run in disjoint top-FSM phases, so one keccak_core suffices. Add sha3_top_shared (keccak_core externalised as kc_* ports, like the existing sample_*_shared variants); mlkem_top now instantiates one keccak_core and a phase mux that routes kc_state_i/kc_valid_i from the active consumer and gates kc_valid_o per consumer (inactive samplers latch squeeze state unconditionally). Cuts the KeyGen datapath from 4 keccak_core (1600-bit state + 24-round logic each) to 1 -- the dominant ASIC area win. 11/11 KAT PASS (K=2 c0-4, K=3/4 c0-2), byte-exact, 0 file-not-found.
45 lines
2.0 KiB
Tcl
45 lines
2.0 KiB
Tcl
# xsim_run.tcl - Vivado XSIM for mlkem_top ML-KEM KeyGen, all K in {2,3,4}.
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#
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# Compiles the full KeyGen datapath + leaf modules, then runs the parametric
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# NIST KAT testbench for ML-KEM-512 (K=2), 768 (K=3), 1024 (K=4). Each case
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# verifies ek==KAT.pk and dk==KAT.sk byte-exact.
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#
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# ./run_tb.sh top
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# ---- Step 1: compile RTL ----
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xvlog -sv --relax -i . sync_rtl/sha3/keccak_round.v
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xvlog -sv --relax -i . sync_rtl/sha3/keccak_core.v
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xvlog -sv --relax -i . sync_rtl/sha3/sha3_top_shared.v
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xvlog -sv --relax -i . sync_rtl/sample_ntt/sample_ntt_sync_shared.v
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xvlog -sv --relax -i . sync_rtl/sample_cbd/sample_cbd_sync_shared.v
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xvlog -sv --relax -i . sync_rtl/ntt/barrett_mul.v
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xvlog -sv --relax -i . sync_rtl/ntt/zeta_rom.v
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xvlog -sv --relax -i . sync_rtl/ntt/butterfly_unit.v
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xvlog -sv --relax -i . sync_rtl/ntt/ntt_core.v
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xvlog -sv --relax -i . sync_rtl/poly_mul/basecase_mul.v
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xvlog -sv --relax -i . sync_rtl/poly_mul/poly_mul_zeta_rom.v
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xvlog -sv --relax -i . sync_rtl/poly_mul/poly_mul_sync.v
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xvlog -sv --relax -i . sync_rtl/storage/sd_bram.v
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xvlog -sv --relax -i . sync_rtl/top/mlkem_top.v
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# ---- Step 2: compile parametric KAT testbench ----
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xvlog -sv --relax sync_rtl/top/TB/tb_mlkem_kg_katK_xsim.v
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# ---- Step 3: elaborate one snapshot per K ----
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xelab tb_mlkem_kg_katK_xsim -generic_top KP=2 -s mlkem_kg_k2 --timescale 1ns/1ps
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xelab tb_mlkem_kg_katK_xsim -generic_top KP=3 -s mlkem_kg_k3 --timescale 1ns/1ps
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xelab tb_mlkem_kg_katK_xsim -generic_top KP=4 -s mlkem_kg_k4 --timescale 1ns/1ps
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# ---- Step 4: run KAT cases (K=2: 0..4, K=3/4: 0..2) ----
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xsim mlkem_kg_k2 -R -testplusarg CASE=0
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xsim mlkem_kg_k2 -R -testplusarg CASE=1
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xsim mlkem_kg_k2 -R -testplusarg CASE=2
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xsim mlkem_kg_k2 -R -testplusarg CASE=3
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xsim mlkem_kg_k2 -R -testplusarg CASE=4
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xsim mlkem_kg_k3 -R -testplusarg CASE=0
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xsim mlkem_kg_k3 -R -testplusarg CASE=1
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xsim mlkem_kg_k3 -R -testplusarg CASE=2
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xsim mlkem_kg_k4 -R -testplusarg CASE=0
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xsim mlkem_kg_k4 -R -testplusarg CASE=1
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xsim mlkem_kg_k4 -R -testplusarg CASE=2
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