Supporting the execution as software for veriloggen.thread methods. Some intrinsic methods are also able to be executed as software.

Author: shtaxxx

examples/thread_axi_slave_ipxact/thread_axi_slave_ipxact.py

@@ -49,7 +49,8 @@ def blink(size):
             saxi.write(1, 0)  # unset busy
 
     th = vthread.Thread(m, 'th_blink', clk, rst, blink)
-    th.add_intrinsics(wait)
+    th.add_intrinsic(wait, 'wait')
+
     fsm = th.start(16)
 
     return m

tests/extension/thread_/exec_as_sw/Makefile

@@ -0,0 +1,29 @@
+TARGET=$(shell ls *.py | grep -v test | grep -v parsetab.py)
+ARGS=
+
+PYTHON=python3
+#PYTHON=python
+#OPT=-m pdb
+#OPT=-m cProfile -s time
+#OPT=-m cProfile -o profile.rslt
+
+.PHONY: all
+all: test
+
+.PHONY: run
+run:
+	$(PYTHON) $(OPT) $(TARGET) $(ARGS)
+
+.PHONY: test
+test:
+	$(PYTHON) -m pytest -vv
+
+.PHONY: check
+check:
+	$(PYTHON) $(OPT) $(TARGET) $(ARGS) > tmp.v
+	iverilog -tnull -Wall tmp.v
+	rm -f tmp.v
+
+.PHONY: clean
+clean:
+	rm -rf *.pyc __pycache__ parsetab.py .cache *.out *.png *.dot tmp.v *.vcd

tests/extension/thread_/exec_as_sw/test_thread_exec_as_sw.py

@@ -0,0 +1,18 @@
+from __future__ import absolute_import
+from __future__ import print_function
+
+import os
+import veriloggen
+import thread_exec_as_sw
+
+
+def test(request):
+    veriloggen.reset()
+
+    simtype = request.config.getoption('--sim')
+
+    rslt = thread_exec_as_sw.run(filename=None, simtype=simtype,
+                                 outputfile=os.path.splitext(os.path.basename(__file__))[0] + '.out')
+
+    verify_rslt = [line for line in rslt.splitlines() if line.startswith('# verify:')][0]
+    assert(verify_rslt == '# verify: PASSED')

tests/extension/thread_/exec_as_sw/thread_exec_as_sw.py

@@ -0,0 +1,120 @@
+from __future__ import absolute_import
+from __future__ import print_function
+import sys
+import os
+
+# the next line can be removed after installation
+sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.dirname(
+    os.path.dirname(os.path.dirname(os.path.abspath(__file__)))))))
+
+from veriloggen import *
+import veriloggen.thread as vthread
+
+
+def mkLed():
+    m = Module('blinkled')
+    clk = m.Input('CLK')
+    rst = m.Input('RST')
+    led = m.OutputReg('LED', 8, initval=0)
+
+    datawidth = 32
+    addrwidth = 10
+    myram = vthread.RAM(m, 'myram', clk, rst, datawidth, addrwidth)
+
+    def blink(times):
+        all_ok = True
+
+        write_sum = 0
+        for i in range(times):
+            wdata = i
+            myram.write(i, wdata)
+            write_sum += wdata
+            print('wdata = %d' % wdata)
+
+        read_sum = 0
+        for i in range(times):
+            rdata = myram.read(i)
+            read_sum += rdata
+            print('rdata = %d' % rdata)
+            #if vthread.verilog.NotEql(rdata, i):
+            if rdata != i:
+                all_ok = False
+
+        print('read_sum = %d' % read_sum)
+
+        #if vthread.verilog.NotEql(read_sum, write_sum):
+        if read_sum != write_sum:
+            all_ok = False
+
+        led.value = 0
+        for i in range(times):
+            led.value += 1
+            print(led, i)
+
+        if all_ok and led == times:
+            print('# verify: PASSED')
+        else:
+            print('# verify: FAILED')
+
+    # as SW
+    print("as SW")
+    blink(100)
+
+    print("as HW")
+
+    # as HW
+    th = vthread.Thread(m, 'th_blink', clk, rst, blink)
+    fsm = th.start(100)
+
+    return m
+
+
+def mkTest():
+    m = Module('test')
+
+    # target instance
+    led = mkLed()
+
+    # copy paras and ports
+    params = m.copy_params(led)
+    ports = m.copy_sim_ports(led)
+
+    clk = ports['CLK']
+    rst = ports['RST']
+
+    uut = m.Instance(led, 'uut',
+                     params=m.connect_params(led),
+                     ports=m.connect_ports(led))
+
+    # vcd_name = os.path.splitext(os.path.basename(__file__))[0] + '.vcd'
+    # simulation.setup_waveform(m, uut, dumpfile=vcd_name)
+    simulation.setup_clock(m, clk, hperiod=5)
+    init = simulation.setup_reset(m, rst, m.make_reset(), period=100)
+
+    init.add(
+        Delay(1000000),
+        Systask('finish'),
+    )
+
+    return m
+
+
+def run(filename='tmp.v', simtype='iverilog', outputfile=None):
+
+    if outputfile is None:
+        outputfile = os.path.splitext(os.path.basename(__file__))[0] + '.out'
+
+    test = mkTest()
+
+    if filename is not None:
+        test.to_verilog(filename)
+
+    sim = simulation.Simulator(test, sim=simtype)
+    rslt = sim.run(outputfile=outputfile)
+
+    return rslt
+
+
+if __name__ == '__main__':
+    rslt = run(filename='tmp.v')
+    print(rslt)

tests/extension/thread_/intrinsic_function/thread_intrinsic_function.py

@@ -46,8 +46,9 @@ def blink(times):
 
     th = vthread.Thread(m, 'th_blink', clk, rst, blink)
 
-    # add intrinsics
-    th.add_intrinsics(send, wait)
+    # add intrinsic functions
+    th.add_intrinsic(send, 'send')
+    th.add_intrinsic(wait, 'wait')
 
     fsm = th.start(10)
 

tests/extension/thread_/intrinsic_verilog/thread_intrinsic_verilog.py

@@ -47,8 +47,9 @@ def blink(times):
 
     th = vthread.Thread(m, 'th_blink', clk, rst, blink)
 
-    # add intrinsics
-    th.add_intrinsics(send, wait)
+    # add intrinsic functions
+    th.add_intrinsic(send, 'send')
+    th.add_intrinsic(wait, 'wait')
 
     fsm = th.start(10)
 

veriloggen/stream/stypes.py

@@ -4421,7 +4421,7 @@ def _implement(self, m, seq, svalid=None, senable=None):
 
 
 class FromExtern(_UnaryOperator):
-    __intrinsics__ = ('write')
+    __intrinsics__ = {'write': '_intrinsic_write'}
     latency = 1
 
     def __init__(self, right, width=None, point=None, signed=True, latency=1):
@@ -4458,13 +4458,16 @@ def _implement(self, m, seq, svalid=None, senable=None):
         data = fx.FixedReg(m, self.name('data'), width, point, initval=0, signed=signed)
         self.sig_data = data
 
-    def write(self, fsm, value):
+    def _intrinsic_write(self, fsm, value):
         cond = fsm.here
 
         self.seq.If(cond)(
             self.sig_data(value)
         )
 
+    def write(self, value):
+        raise NotImplementedError("only intrinsic method is implemented.")
+
 
 class _LineBufferOut(_UnaryOperator):
     latency = 1
@@ -4766,20 +4769,23 @@ def _implement(self, m, seq, svalid=None, senable=None):
 
 
 class Reg(Predicate):
-    __intrinsics__ = ('write')
+    __intrinsics__ = {'write': '_intrinsic_write'}
 
     def __init__(self, data, when=None):
         Predicate.__init__(self, data, when)
         self.graph_label = 'Reg'
         self.graph_shape = 'box'
 
-    def write(self, fsm, value):
+    def _intrinsic_write(self, fsm, value):
         cond = fsm.here
 
         self.seq.If(cond)(
             self.sig_data(value)
         )
 
+    def write(self, value):
+        raise NotImplementedError("only intrinsic method is implemented.")
+
 
 class ReadRAM(_SpecialOperator):
     latency = 1

veriloggen/thread/__init__.py

@@ -15,6 +15,6 @@
 
 from . import fixed
 
-__intrinsics__ = []
-__intrinsics__.extend(__ttypes_intrinsics__)
-__intrinsics__.extend(__util_intrinsics__)
+__intrinsics__ = {}
+__intrinsics__.update(__ttypes_intrinsics__)
+__intrinsics__.update(__util_intrinsics__)

veriloggen/thread/axim.py

@@ -18,20 +18,34 @@
 class AXIM(axi.AxiMaster, _MutexFunction):
     """ AXI Master Interface with DMA controller """
 
-    __intrinsics__ = ('read', 'write', 'write_fence',
-                      'dma_read', 'dma_read_async',
-                      'dma_write', 'dma_write_async',
-                      'dma_read_bank', 'dma_read_bank_async',
-                      'dma_write_bank', 'dma_write_bank_async',
-                      'dma_read_block', 'dma_read_block_async',
-                      'dma_write_block', 'dma_write_block_async',
-                      'dma_read_packed', 'dma_read_packed_async',
-                      'dma_write_packed', 'dma_write_packed_async',
-                      'dma_read_bcast', 'dma_read_bcast_async',
-                      'dma_wait_read', 'dma_wait_write',
-                      'dma_wait_write_idle', 'dma_wait_write_response',
-                      'dma_wait',
-                      'set_global_base_addr',) + _MutexFunction.__intrinsics__
+    __intrinsics__ = {'read': 'read',
+                      'write': 'write',
+                      'write_fence': 'write_fence',
+                      'dma_read': 'dma_read',
+                      'dma_read_async': 'dma_read_async',
+                      'dma_write': 'dma_write',
+                      'dma_write_async': 'dma_write_async',
+                      'dma_read_bank': 'dma_read_bank',
+                      'dma_read_bank_async': 'dma_read_bank_async',
+                      'dma_write_bank': 'dma_write_bank',
+                      'dma_write_bank_async': 'dma_write_bank_async',
+                      'dma_read_block': 'dma_read_block',
+                      'dma_read_block_async': 'dma_read_block_async',
+                      'dma_write_block': 'dma_write_block',
+                      'dma_write_block_async': 'dma_write_block_async',
+                      'dma_read_packed': 'dma_read_packed',
+                      'dma_read_packed_async': 'dma_read_packed_async',
+                      'dma_write_packed': 'dma_write_packed',
+                      'dma_write_packed_async': 'dma_write_packed_async',
+                      'dma_read_bcast': 'dma_read_bcast',
+                      'dma_read_bcast_async': 'dma_read_bcast_async',
+                      'dma_wait_read': 'dma_wait_read',
+                      'dma_wait_write': 'dma_wait_write',
+                      'dma_wait_write_idle': 'dma_wait_write_idle',
+                      'dma_wait_write_response': 'dma_wait_write_response',
+                      'dma_wait': 'dma_wait',
+                      'set_global_base_addr': 'set_global_base_addr',
+                      } | _MutexFunction.__intrinsics__
 
     def __init__(self, m, name, clk, rst, datawidth=32, addrwidth=32,
                  waddr_id_width=0, wdata_id_width=0, wresp_id_width=0,
@@ -1709,7 +1723,8 @@ def unpack_write_req(self, v):
 
 
 class AXIMVerify(AXIM):
-    __intrinsics__ = ('read_delayed', 'write_delayed') + AXIM.__intrinsics__
+    __intrinsics__ = {'read_delayed': 'read_delayed',
+                      'write_delayed': 'write_delayed'} | AXIM.__intrinsics__
 
     def read_delayed(self, fsm, global_addr, delay):
         if self.use_global_base_addr:
@@ -1803,8 +1818,11 @@ def write_delayed(self, fsm, global_addr, value, delay):
 class AXIMLite(axi.AxiLiteMaster, _MutexFunction):
     """ AXI-Lite Master Interface """
 
-    __intrinsics__ = ('read', 'write', 'write_fence',
-                      'set_global_base_addr',) + _MutexFunction.__intrinsics__
+    __intrinsics__ = {'read': 'read',
+                      'write': 'write',
+                      'write_fence': 'write_fence',
+                      'set_global_base_addr': 'set_global_base_addr'
+                      } | _MutexFunction.__intrinsics__
 
     def __init__(self, m, name, clk, rst, datawidth=32, addrwidth=32,
                  waddr_cache_mode=axi.AxCACHE_NONCOHERENT, raddr_cache_mode=axi.AxCACHE_NONCOHERENT,
@@ -1897,7 +1915,8 @@ def set_global_base_addr(self, fsm, addr):
 
 
 class AXIMLiteVerify(AXIMLite):
-    __intrinsics__ = ('read_delayed', 'write_delayed') + AXIMLite.__intrinsics__
+    __intrinsics__ = {'read_delayed': 'read_delayed',
+                      'write_delayed': 'write_delayed'} | AXIMLite.__intrinsics__
 
     def read_delayed(self, fsm, global_addr, delay):
         if self.use_global_base_addr:

veriloggen/thread/axis.py

@@ -42,8 +42,12 @@ def __init__(self, m, name, clk, rst, datawidth=32, addrwidth=32,
 
 
 class AXISRegister(AXIS):
-    __intrinsics__ = ('read', 'write', 'write_flag', 'wait',
-                      'wait_flag') + _MutexFunction.__intrinsics__
+    __intrinsics__ = {'read': 'read',
+                      'write': 'write',
+                      'write_flag': 'write_flag',
+                      'wait': 'wait',
+                      'wait_flag': 'wait_flag',
+                      } | _MutexFunction.__intrinsics__
 
     def __init__(self, m, name, clk, rst, datawidth=32, addrwidth=32,
                  waddr_id_width=0, wdata_id_width=0, wresp_id_width=0,
@@ -242,8 +246,12 @@ def wait_flag(self, fsm, addr, value, resetvalue=0, polarity=True):
 
 
 class AXISLiteRegister(AXISLite):
-    __intrinsics__ = ('read', 'write', 'write_flag', 'wait',
-                      'wait_flag') + _MutexFunction.__intrinsics__
+    __intrinsics__ = {'read': 'read',
+                      'write': 'write',
+                      'write_flag': 'write_flag',
+                      'wait': 'wait',
+                      'wait_flag': 'wait_flag',
+                      } | _MutexFunction.__intrinsics__
 
     def __init__(self, m, name, clk, rst, datawidth=32, addrwidth=32,
                  noio=False, length=4, fsm_as_module=False):