diff options
Diffstat (limited to 'multiplier')
-rw-r--r-- | multiplier/Makefile | 47 | ||||
-rw-r--r-- | multiplier/hdl/full_adder.sv (renamed from multiplier/full_adder.v) | 0 | ||||
-rwxr-xr-x | multiplier/hdl/gen_wallace.py (renamed from multiplier/gen_wallace.py) | 10 | ||||
-rw-r--r-- | multiplier/hdl/half_adder.v (renamed from multiplier/half_adder.v) | 0 | ||||
-rw-r--r-- | multiplier/hdl/multiplier.sv (renamed from multiplier/multiplier.v) | 0 | ||||
-rw-r--r-- | multiplier/hdl/partial_products.sv (renamed from multiplier/partial_products.v) | 0 | ||||
-rw-r--r-- | multiplier/hdl/wallace_adder.sv (renamed from multiplier/wallace_adder.v) | 0 | ||||
-rw-r--r-- | multiplier/tb_multiplier.cpp | 93 |
8 files changed, 44 insertions, 106 deletions
diff --git a/multiplier/Makefile b/multiplier/Makefile index d14a14f..9bd8160 100644 --- a/multiplier/Makefile +++ b/multiplier/Makefile @@ -1,10 +1,41 @@ -all: tree test +SHELL = /bin/bash -o pipefail + +TOP_TB_SRCS := $(PWD)/hvl/tb_top.sv $(PWD)/hdl/multiplier.sv $(PWD)/hdl/sm.sv $(PWD)/hdl/ff_array.sv + + +export REPORT_DIR = reports +export SYN_OUT_DIR = ./syn/synout + +VCS_FLAGS= -full64 -lca -sverilog +lint=none,noNS -timescale=1ns/1ns -debug_acc+all -kdb -fsdb -j4 +notimingcheck +VCS_FLAGS_POST = -full64 -lca -sverilog +lint=none -timescale=1ns/1ns -debug_acc+all -kdb -fsdb +neg_tchk -negdelay +compsdf +mindelays +sdfverbose -j4 -fgp + tree: ./gen_wallace.py 32 -a -test: - verilator --trace --cc --exe --build -j 0 -Wall tb_multiplier.cpp multiplier.v - ./obj_dir/Vmultiplier -synth: - yosys -p "read_verilog multiplier.v ; hierarchy -top multiplier -libdir . ; synth_ecp5" -clean: - rm -rf log_* obj_dir + +sim/top_tb: $(TOP_TB_SRCS) + mkdir -p sim + cd sim && vcs $(TOP_TB_SRCS) $(VCS_FLAGS) -l top_compile.log -o top_tb + cd sim && ./top_tb -l top_simulation.log + +synth: synth_clean + mkdir -p $(REPORT_DIR) $(SYN_OUT_DIR) + dc_shell-xg-t -64bit -f dc_syn.tcl |& tee $(REPORT_DIR)/synthesis.log + $(MAKE) smol_clean + +.PHONY: verdi +verdi: + mkdir -p verdi + cd verdi && $(VERDI_HOME)/bin/verdi -ssf $(PWD)/sim/dump.fsdb + +.PHONY: synth_clean +synth_clean: smol_clean + rm -f synthesis.log + rm -rf $(REPORT_DIR) + rm -rf $(SYN_OUT_DIR) + +.PHONY: smol_clean +smol_clean: + rm -f command.log + rm -f default.svf + rm -rf work + diff --git a/multiplier/full_adder.v b/multiplier/hdl/full_adder.sv index 1238aa7..1238aa7 100644 --- a/multiplier/full_adder.v +++ b/multiplier/hdl/full_adder.sv diff --git a/multiplier/gen_wallace.py b/multiplier/hdl/gen_wallace.py index ed5c4f5..579041f 100755 --- a/multiplier/gen_wallace.py +++ b/multiplier/hdl/gen_wallace.py @@ -3,7 +3,7 @@ import argparse def gen_half_adder(): print(f"---------- Half adder generation ----------") - f = open(f"half_adder.v", "w") + f = open(f"half_adder.sv", "w") f.write(f"""module half_adder ( input logic a, input logic b, @@ -20,7 +20,7 @@ endmodule def gen_full_adder(): print(f"---------- Full adder generation ----------") - f = open(f"full_adder.v", "w") + f = open(f"full_adder.sv", "w") f.write(f"""module full_adder ( input logic a, input logic b, @@ -38,7 +38,7 @@ endmodule def gen_multiplier(bits): print(f"\n---------- {bits} Bit Top Level Multiplier Generation ----------") - f = open(f"multiplier.v", "w") + f = open(f"multiplier.sv", "w") f.write(f"""module multiplier( input logic [{bits-1}:0] a, input logic [{bits-1}:0] b, @@ -59,7 +59,7 @@ endmodule def gen_partial_products(bits): print(f"------------ {bits} Bit Partial Products Generation ------------") - f = open(f"partial_products.v", "w") + f = open(f"partial_products.sv", "w") f.write(f"""module partial_products ( input logic [{bits-1}:0] a, @@ -276,7 +276,7 @@ def gen_adder_tree(bits, debug): bit_vector_0 = bit_vector_0[:-2] + "}" bit_vector_1 = bit_vector_1[:-2] + "};" - f = open(f"wallace_adder.v", "w") + f = open(f"wallace_adder.sv", "w") # Start by printing module declaration f.write(f"module wallace_adder (\n") diff --git a/multiplier/half_adder.v b/multiplier/hdl/half_adder.v index a322900..a322900 100644 --- a/multiplier/half_adder.v +++ b/multiplier/hdl/half_adder.v diff --git a/multiplier/multiplier.v b/multiplier/hdl/multiplier.sv index 0522800..0522800 100644 --- a/multiplier/multiplier.v +++ b/multiplier/hdl/multiplier.sv diff --git a/multiplier/partial_products.v b/multiplier/hdl/partial_products.sv index e05c859..e05c859 100644 --- a/multiplier/partial_products.v +++ b/multiplier/hdl/partial_products.sv diff --git a/multiplier/wallace_adder.v b/multiplier/hdl/wallace_adder.sv index 34c9ecd..34c9ecd 100644 --- a/multiplier/wallace_adder.v +++ b/multiplier/hdl/wallace_adder.sv diff --git a/multiplier/tb_multiplier.cpp b/multiplier/tb_multiplier.cpp deleted file mode 100644 index 040df80..0000000 --- a/multiplier/tb_multiplier.cpp +++ /dev/null @@ -1,93 +0,0 @@ -#include <iostream> -#include <iomanip> -#include <bitset> -#include <cstdint> - -#include "Vmultiplier.h" -#include "verilated.h" - -#define BITWIDTH 32 - -int main(int argc, char** argv, char** env) { - - if (false && argc && argv && env) {} - - Verilated::mkdir("logs"); - VerilatedContext* contextp = new VerilatedContext; - - contextp->debug(0); - contextp->randReset(2); - contextp->traceEverOn(true); - contextp->commandArgs(argc, argv); - - Vmultiplier* dut = new Vmultiplier{contextp}; - - uint32_t testsize = 0x1000; - - for (int i = 0; i < testsize; i++) { - for (int j = 0; j < testsize; j++) { - dut->a = (uint32_t) i; - dut->b = (uint32_t) j; - unsigned int answer = (unsigned int) (i * j); - - dut->eval(); - if (answer != dut->c) { - std::bitset<BITWIDTH> in1(dut->a); - std::bitset<BITWIDTH> in2(dut->b); - std::bitset<BITWIDTH*2> expected(answer); - std::bitset<BITWIDTH*2> actual(dut->c); - std::cout << "Inputs: 1: " << in1 << " 2: " << in2 << '\n'; - std::cout << "Expected: " << expected << '\n'; - std::cout << "Actual: " << actual << '\n'; - return -1; - } - } - } - - - std::cout << "LOWER HALF PASSED\n"; - - uint64_t top = 1; - for (int i = 1; i < BITWIDTH; i++) { - top <<= 1; - top |= 1; - } - uint64_t bottom = top - testsize; - - for (uint64_t i = bottom; i < top; i++) { - for (uint64_t j = bottom; j < top; j++) { - - dut->a = (uint32_t) i; - dut->b = (uint32_t) j; - - uint64_t answer = i * j; - - dut->eval(); - if (answer != dut->c) { - std::bitset<BITWIDTH> in1(dut->a); - std::bitset<BITWIDTH> in2(dut->b); - std::bitset<BITWIDTH*2> expected(answer); - std::bitset<BITWIDTH*2> actual(dut->c); - std::cout << "In 1: " << in1 << '\n'; - std::cout << "In 2: " << in2 << '\n'; - std::cout << "Expected: " << expected << '\n'; - std::cout << "Actual: " << actual << '\n'; - - std::cout << "In 1: " << std::hex << (uint32_t) dut->a << '\n'; - std::cout << "In 2: " << std::hex << (uint32_t) dut->b << '\n'; - std::cout << "Expected: " << std::hex << (uint64_t) answer << '\n'; - std::cout << "Actual: " << std::hex << (uint64_t) dut->c << '\n'; - return -1; - } - } - } - - std::cout << "UPPER HALF PASSED\n"; - - - std::cout << "Test Passed for " << BITWIDTH << " bit multiplier\n"; - - delete dut; - delete contextp; - return 0; -} |