diff options
Diffstat (limited to 'deprecated/hdl_lab')
| -rw-r--r-- | deprecated/hdl_lab/.gitignore | 7 | ||||
| -rw-r--r-- | deprecated/hdl_lab/Makefile | 13 | ||||
| -rw-r--r-- | deprecated/hdl_lab/hdl/constants.py | 8 | ||||
| -rw-r--r-- | deprecated/hdl_lab/hdl/multiply.py | 205 | ||||
| -rw-r--r-- | deprecated/hdl_lab/hdl/myhdl_wrap.py | 47 | ||||
| -rw-r--r-- | deprecated/hdl_lab/hdl/reset_sync.py | 109 | ||||
| -rw-r--r-- | deprecated/hdl_lab/hdl/shift_reg.py | 118 | ||||
| -rwxr-xr-x | deprecated/hdl_lab/myhdl.vpi | bin | 32216 -> 0 bytes | |||
| -rw-r--r-- | deprecated/hdl_lab/template.py | 69 |
9 files changed, 0 insertions, 576 deletions
diff --git a/deprecated/hdl_lab/.gitignore b/deprecated/hdl_lab/.gitignore deleted file mode 100644 index 3f63f69..0000000 --- a/deprecated/hdl_lab/.gitignore +++ /dev/null @@ -1,7 +0,0 @@ -quartus -gen_verilog -simulation -.vscode -__pycache__ -**__pycache__ -.pytest_cache
\ No newline at end of file diff --git a/deprecated/hdl_lab/Makefile b/deprecated/hdl_lab/Makefile deleted file mode 100644 index 10ace11..0000000 --- a/deprecated/hdl_lab/Makefile +++ /dev/null @@ -1,13 +0,0 @@ - -HDL_FOLDER = ./hdl -HDL = $(wildcard $(HDL_FOLDER)/*.py) - - -test: - py.test --disable-pytest-warnings -v $(HDL) - -test-w: - py.test -v $(HDL) - -clean: - $(RM) -rf simulation/* gen_verilog/* hdl/__pycache__ .pytest_cache
\ No newline at end of file diff --git a/deprecated/hdl_lab/hdl/constants.py b/deprecated/hdl_lab/hdl/constants.py deleted file mode 100644 index ca02497..0000000 --- a/deprecated/hdl_lab/hdl/constants.py +++ /dev/null @@ -1,8 +0,0 @@ -SIM_DIR = './simulation/' -GEN_VERILOG = './gen_verilog/' - -IVERILOG = 'iverilog ' -VVP = 'vvp -M ./ -m myhdl ' - -RESET_ACTIVE = False -RESET_INACTIVE = not RESET_ACTIVE
\ No newline at end of file diff --git a/deprecated/hdl_lab/hdl/multiply.py b/deprecated/hdl_lab/hdl/multiply.py deleted file mode 100644 index 015f67a..0000000 --- a/deprecated/hdl_lab/hdl/multiply.py +++ /dev/null @@ -1,205 +0,0 @@ -from turtle import width -from typing import Callable -from myhdl import * -from constants import RESET_ACTIVE -from myhdl_wrap import Myhdl_Wrapper - -import random -from random import randint - -random.seed(63) - -class Multiply(Myhdl_Wrapper): - def __init__(self): - super().__init__() - - # Main code, this is the actual logic - @staticmethod - @block - def Multiply(clk : Signal, reset : Signal, a : Signal, b : Signal, prod : Signal, is_signed : Signal, ready : Signal, valid : Signal): # this must be the same name as the class name - - width_a = len(a) - width_b = len(b) - width_prod = len(a) + len(b) - - a0 = Signal(modbv(0)[width_a:]) - b0 = Signal(modbv(0)[width_b:]) - a1 = Signal(modbv(0)[width_a:]) - b1 = Signal(modbv(0)[width_b:]) - prod_raw = Signal(modbv(0)[width_prod:]) - - @instance - def logic(): - while True: - yield valid.posedge - a0.next = a - b0.next = b - - yield clk.posedge - ready.next = False - - if not is_signed: - a1.next = a0 - b1.next = b0 - else: - if(a0.signed() < 0): - a1.next = -a0.signed() - else: - a1.next = a0 - - if(b0.signed() < 0): - b1.next = -b0.signed() - else: - b1.next = b0 - - prod_raw.next = a1 * b1 - - if is_signed: - if (a0[width_a-1] ^ b0[width_b-1]) == 1: - prod.next = -prod_raw - else: - prod.next = prod_raw - pass - else: - prod.next = prod_raw - - ready.next = True - - return logic - - - @block - def tb(self, func: Callable): - reset = Signal(False) - clk = Signal(bool(0)) - a = Signal(intbv(0)[32:]) - b = Signal(intbv(0)[32:]) - prod = Signal(modbv(0)[64:]) - is_signed = Signal(bool(0)) - ready = Signal(bool(1)) - valid = Signal(bool(0)) - - a_signed = intbv(0, -int(a.max/2), int(a.max/2)-1) - b_signed = intbv(0, -int(b.max/2), int(b.max/2)-1) - - - dut = func(clk=clk, reset=reset, a=a, b=b, prod=prod, is_signed=is_signed, ready=ready, valid=valid) - - @always(delay(2)) - def clock_gen(): - clk.next = not clk - - @instance - def monitor(): - # print(f"ready: {ready}, valid: {valid}") - # print("-"*20) - while True: - yield ready, valid - # print(f"ready: {ready}, valid: {valid}") - - @instance - def stimulus(): - yield clk.negedge - - # unsigned test - for i in range(30): - a_int = randint(a.min, a.max-1) - b_int = randint(b.min, b.max-1) - a.next = a_int - b.next = b_int - - valid.next = True - yield ready.negedge - valid.next = False - - yield ready.posedge - yield delay(1) - assert int(prod) == a_int * b_int, "Unsigned multiplication error random" - - # unsigned extremes test - for a_int in (a.min, a.max-1): - for b_int in (b.min, b.max-1): - a.next = a_int - b.next = b_int - - valid.next = True - yield ready.negedge - valid.next = False - - yield ready.posedge - yield delay(1) - - assert int(prod) == a_int * b_int, "Unsigned multiplication error extreme" - - - is_signed.next = True - yield clk.negedge - - for i in range(30): - a_int = randint(a_signed.min, a_signed.max-1) - b_int = randint(b_signed.min, b_signed.max-1) - - a_signed[:] = a_int - b_signed[:] = b_int - a.next = a_signed.unsigned() - b.next = b_signed.unsigned() - - valid.next = True - yield ready.negedge - valid.next = False - - yield ready.posedge - yield delay(1) - - # print('-'*30) - # print(prod) - # print(a_int * b_int) - - assert int(prod.signed()) == a_int * b_int, "Signed multiplication error random" - - - for a_int in (a_signed.min, 0, a_signed.max-1): - for b_int in (b_signed.min, 0, b_signed.max-1): - - a_signed[:] = a_int - b_signed[:] = b_int - a.next = a_signed.unsigned() - b.next = b_signed.unsigned() - - valid.next = True - yield ready.negedge - valid.next = False - - yield ready.posedge - yield delay(1) - - assert int(prod.signed()) == a_int * b_int, "Signed multiplication error extreme" - - - raise StopSimulation - - - return dut, clock_gen, monitor, stimulus - - def export(self): - reset = Signal(False) - clk = Signal(False) - a = Signal(intbv(0)[32:]) - b = Signal(intbv(0)[32:]) - prod = Signal(modbv(0)[64:]) - is_signed = Signal(False) - ready = Signal(True) - valid = Signal(False) - - # assigning signals, kargs only - self._export(clk=clk, reset=reset, a=a, b=b, prod=prod, is_signed=is_signed, ready=ready, valid=valid) - - -def test_template_sim(): - hdl = Multiply() - hdl.sim() - -def test_template_cosim(): - hdl = Multiply() - hdl.export() - hdl.cosim() diff --git a/deprecated/hdl_lab/hdl/myhdl_wrap.py b/deprecated/hdl_lab/hdl/myhdl_wrap.py deleted file mode 100644 index 56c8c5b..0000000 --- a/deprecated/hdl_lab/hdl/myhdl_wrap.py +++ /dev/null @@ -1,47 +0,0 @@ -import os -from myhdl import * -from constants import * - -class Myhdl_Wrapper(): - def __init__(self): - self.class_name = self.__class__.__name__ - - def _export(self, **kargs): - inst = getattr(self, self.class_name)(**kargs) - inst.convert(hdl='Verilog', path=GEN_VERILOG, name=f"{self.class_name}") - - test_bench_file = GEN_VERILOG + 'tb_' +self.class_name + '.v' - test_bench_tmp_file = GEN_VERILOG + '~tb_' +self.class_name + '.v' - - # this is needed to generate cosim vcd file - with open(test_bench_file) as f_old, open(test_bench_tmp_file, 'w') as f_new: - lines = f_old.readlines() - for line in lines: - f_new.write(line) - if 'initial begin' in line: - f_new.write('\n') - f_new.write(' // Needed to create vcd file\n') - f_new.write(f' $dumpfile ("{SIM_DIR + self.class_name}_cosim.vcd");\n') - f_new.write(f' $dumpvars(0, tb_{self.class_name});\n') - f_new.write('\n') - os.rename(test_bench_tmp_file, test_bench_file) - - - - # This function links myhdl to icarus verilog sim - def _cosim(self, **kargs): #these should have the same signals as logic(), - - iverilog_cmd = IVERILOG + f"-o {SIM_DIR}{self.class_name}.o {GEN_VERILOG}{self.class_name}.v {GEN_VERILOG}tb_{self.class_name}.v" - vvp_cmd = VVP + f"{SIM_DIR}{self.class_name}.o" - - os.system(iverilog_cmd) - return Cosimulation(vvp_cmd, **kargs) - - def sim(self): - tb = self.tb(getattr(self, self.class_name)) - tb.config_sim(trace=True, tracebackup=False, directory=SIM_DIR, filename=f"{self.class_name}_sim") - tb.run_sim() - - def cosim(self): - tb = self.tb(self._cosim) - tb.run_sim()
\ No newline at end of file diff --git a/deprecated/hdl_lab/hdl/reset_sync.py b/deprecated/hdl_lab/hdl/reset_sync.py deleted file mode 100644 index af03075..0000000 --- a/deprecated/hdl_lab/hdl/reset_sync.py +++ /dev/null @@ -1,109 +0,0 @@ -from typing import Callable -from myhdl import * -from myhdl_wrap import Myhdl_Wrapper - -import random -from random import randint - -random.seed(13) - -class ResetSync(Myhdl_Wrapper): - def __init__(self): - super().__init__() - - # Main code, this is the actual logic - @staticmethod - @block - def ResetSync(clk : Signal, async_reset : Signal, sync_reset : Signal): # this must be the same name as the class name - - sync = Signal(False) - guard = sync_reset - - @instance - def logic(): - while True: - yield clk.posedge, async_reset.negedge - - if not async_reset: - guard.next = False - sync.next = False - else: - guard.next = sync - sync.next = True - - return logic - - - @block - def tb(self, func: Callable): - async_reset = Signal(False) - sync_reset = Signal(False) - clk = Signal(False) - - dut = func(clk=clk, async_reset=async_reset, sync_reset=sync_reset) - - @always(delay(2)) - def clock_gen(): - clk.next = not clk - - @instance - def monitor_async(): - while True: - yield async_reset.negedge - yield delay(1) - assert sync_reset == False, 'Reset not asynchronous on falling edge' - - @instance - def monitor_sync(): - while True: - yield async_reset.posedge - - assert sync_reset == False, 'sync Reset did not wait for first clock positive edge' - - yield clk.posedge, async_reset.negedge - if async_reset == True: - yield delay(0) - assert sync_reset == False, 'sync Reset did not wait for second clock positive edge' - - yield clk.posedge, async_reset.negedge - if async_reset == True: - yield delay(0) - assert sync_reset == True, 'sync Reset did not set' - - - - @instance - def stimulus(): - for _ in range(500): - yield delay(randint(0,20)) - - if (now()+2) % 4 == 0: # do not create rising edge of reset and clk at the same time - yield(delay(1)) - - async_reset.next = True - yield delay(randint(0, 20)) - async_reset.next = False - - raise StopSimulation - - - return dut, clock_gen, monitor_async, monitor_sync, stimulus - - def export(self): - async_reset = Signal(False) - sync_reset = Signal(False) - clk = Signal(bool(0)) - - # assigning signals, kargs only - self._export(clk=clk, async_reset=async_reset, sync_reset=sync_reset) - - -def test_reset_sync_sim(): - hdl = ResetSync() - hdl.sim() - -def test_reset_sync_cosim(): - hdl = ResetSync() - hdl.export() - hdl.cosim() - diff --git a/deprecated/hdl_lab/hdl/shift_reg.py b/deprecated/hdl_lab/hdl/shift_reg.py deleted file mode 100644 index 9c1c6be..0000000 --- a/deprecated/hdl_lab/hdl/shift_reg.py +++ /dev/null @@ -1,118 +0,0 @@ -from myhdl import * -from myhdl_wrap import Myhdl_Wrapper - -import random -from random import randint - -random.seed(63) - -class ShiftReg(Myhdl_Wrapper): - def __init__(self): - super().__init__() - - # Main code, this is the actual logic - @staticmethod - @block - def ShiftReg(reset: Signal, clk: Signal, load: Signal, in0: Signal, out0: Signal, left_right: Signal): - - width = len(out0) - - @instance - def shifter(): - while True: - yield clk.posedge, reset.negedge - - if not reset: - out0.next = load - else: - if not left_right: - out0.next[width:1] = out0[width-1:0] - out0.next[1:0] = in0 - else: - out0.next[width-1:0] = out0[width:1] - out0.next[width:width-1] = in0 - - return shifter - - - @block - def tb(self, func): - reset = Signal(False) - clk = Signal(bool(0)) - load = Signal(intbv(0xA5)[8:]) - in0 = Signal(bool(0)) - out0 = Signal(modbv(int(load))[8:]) - left_right = Signal(bool(0)) - - dut = func(reset=reset, clk=clk, load=load, in0=in0, out0=out0, left_right=left_right) - - @always(delay(2)) - def clock_gen(): - clk.next = not clk - - @instance - def monitor(): - last_val = out0 - - while True: - yield clk.posedge, reset.negedge - yield delay(1) - - if reset == False: - assert out0 == load, "Is output is not zero at reset" - - else: - if not left_right: - assert int(out0) == ((last_val << 1) & 0xFF) | int(in0), "Not shifting left correctly" - else: - assert int(out0) == ((last_val >> 1) & 0xFF) | (int(in0) << 7), "Not shifting rigth correctly" - - last_val = int(out0) - - @instance - def reset_test(): - yield clk.negedge - reset.next = True - while True: - reset.next = True - yield delay(randint(25, 28)) - - reset.next = False - yield delay(randint(1,4)) - - @instance - def stimulus(): - for i in range(20): - yield clk.negedge - left_right.next = 0 - in0.next = randint(0, 1) - - for i in range(20): - yield clk.negedge - left_right.next = 1 - in0.next = randint(0, 1) - - raise StopSimulation - - - return dut, clock_gen, monitor, stimulus, reset_test - - def export(self): - reset = Signal(False) - clk = Signal(bool(0)) - load = Signal(intbv(0xA5)[8:]) - in0 = Signal(bool(0)) - out0 = Signal(modbv(int(load))[8:]) - left_right = Signal(bool(0)) - - self._export(reset=reset, clk=clk, load=load, in0=in0, out0=out0, left_right=left_right) - - -def test_shift_reg_sim(): - hdl = ShiftReg() - hdl.sim() - -def test_shift_reg_cosim(): - hdl = ShiftReg() - hdl.export() - hdl.cosim() diff --git a/deprecated/hdl_lab/myhdl.vpi b/deprecated/hdl_lab/myhdl.vpi Binary files differdeleted file mode 100755 index 1b9d393..0000000 --- a/deprecated/hdl_lab/myhdl.vpi +++ /dev/null diff --git a/deprecated/hdl_lab/template.py b/deprecated/hdl_lab/template.py deleted file mode 100644 index 77eb18c..0000000 --- a/deprecated/hdl_lab/template.py +++ /dev/null @@ -1,69 +0,0 @@ -from typing import Callable -from myhdl import * -from myhdl_wrap import Myhdl_Wrapper - -import random -from random import randint - -random.seed(63) - -class Template(Myhdl_Wrapper): - def __init__(self): - super().__init__() - - # Main code, this is the actual logic - @staticmethod - @block - def Template(args): # this must be the same name as the class name - - @instance - def logic(): - while True: - ... - - return logic - - - @block - def tb(self, func: Callable): - reset = Signal(False) - clk = Signal(False) - ... - - dut = func(..., clk=clk, reset=reset) - - @always(delay(...)) - def clock_gen(): - clk.next = not clk - - @instance - def monitor(): - while True: - ... - - @instance - def stimulus(): - ... - - raise StopSimulation - - - return dut, clock_gen, monitor, stimulus - - def export(self): - reset = Signal(False) - clk = Signal(False) - ... - - # assigning signals, kargs only - self._export(..., clk=clk, reset=reset) - - -def test_template_sim(): - hdl = Template() - hdl.sim() - -def test_template_cosim(): - hdl = Template() - hdl.export() - hdl.cosim() |