Fixedcoregen ISE

Signed-off-by: Joppe Blondel <joppe@blondel.nl>

examples/GW1NSR-4C/.gitignore

@@ -0,0 +1,2 @@
+OUT
+BUILD

examples/GW1NSR-4C/CON/io.cst

@@ -0,0 +1,8 @@
+IO_LOC  "led_o"     10;
+IO_PORT "led_o"     PULL_MODE=NONE DRIVE=8;
+
+IO_LOC  "reset_n_i" 15;
+IO_PORT "reset_n_i" PULL_MODE=UP;
+
+IO_LOC  "clk_i"     45;
+IO_PORT "clk_i"     PULL_MODE=UP;

examples/GW1NSR-4C/CON/io.sdc

@@ -0,0 +1 @@
+create_clock -name CLK_IN -period 37.037 -waveform {0 18.52} [get_ports {clk_i}]

examples/GW1NSR-4C/RTL/toplevel.v

@@ -0,0 +1,23 @@
+module led_blink
+(
+    input  clk_i,
+    input  reset_n_i,
+    output led_o
+);
+
+    reg [23:0] counter;
+    reg        polarity;
+
+    always@(posedge clk_i) begin
+        if (!reset_n_i)
+            counter <= 24'h00000;
+        else
+            counter <= counter + 1'b1;
+
+        if (counter == 24'hFFFFF)
+            polarity <= ~polarity;
+    end
+
+    assign led_o = polarity;
+
+endmodule

examples/GW1NSR-4C/project.cfg

@@ -0,0 +1,28 @@
+[project]
+name              = gowin_project
+version           = 0.1
+out_dir           = OUT
+build_dir         = BUILD
+
+[server]
+hostname          = localhost
+port              = 2020
+privkey           = /home/joppe/.ssh/id_rsa
+pubkey            = /home/joppe/.ssh/id_rsa.pub
+
+# ######################################
+# Basic synthesis
+[target.synth]
+toolchain           = gowin
+
+# Toolchain settings
+family              = GW1NSR-4C
+device              = GW1NSR-LV4CQN48PC6/I5
+toplevel            = led_blink
+
+# Fileset
+# files_vhdl        = 
+files_verilog       = RTL/toplevel.v
+files_con           = CON/io.cst
+                      CON/io.sdc
+# ######################################

examples/zynq7000/SIM/c/cosim.c

@@ -40,7 +40,7 @@ int start_cosim(char * descr){
 
 void end_cosim(){
     close(fd);
-	fclose(log);
+	// fclose(log);
 }
 
 int wait_cosim(uint32_t * retaddr, uint32_t * time){

remotesyn/rbuild.py

@@ -18,7 +18,7 @@ def print_help():
     log("  -h                 Show this help message")
     log("  -c <file>          Configuration file, defaults to project.cfg")
 
-if __name__=="__main__":
+def main():
     # Parse arguments
     i = 1
     nextarg = None
@@ -73,13 +73,22 @@ if __name__=="__main__":
             exit(1)
         
         try:
-            exec(f"from remotesyn.toolchains.{toolchain} import do")
+            print(f'Importing toolchain {toolchain}')
+            namespace = {}
+            exec(f"from remotesyn.toolchains.{toolchain} import do", globals(), namespace)
+            do_func = namespace.get('do')
+            if do_func is None:
+                raise ImportError("Failed to import 'do'")
         except ImportError:
             log(f"ERROR: Unknown toolchain '{toolchain}'")
             exit(1)
 
-        ret = do(config, target, log, subprocesses)
+        ret = do_func(config, target, log, subprocesses)
 
         if ret!=0:
             log("ERROR: toolchain returned with", ret)
             exit(ret)
+
+
+if __name__=="__main__":
+    main()

remotesyn/rmbuild.py

@@ -69,9 +69,10 @@ def recv_dir(channel, dr):
     print("<<<", dr)
     cmd(b'ls'+sstr(dr), channel)
     while True:
-        status = channel.recv(2)
+        status = channel.recv(1)
-        if status != b'\x00\x00':
+        if status != b'\x00':
             break
+    status += channel.recv(1)
     if status!=b'OK':
         msg = channel.recv(1024)
         print("Error:", bytes.decode(msg, 'ascii'))
@@ -95,7 +96,7 @@ def print_help():
     print("  -h                 Show this help message")
     print("  -c <file>          Configuration file, defaults to project.cfg")
 
-if __name__=="__main__":
+def main():
     # Parse arguments
     i = 1
     nextarg = None
@@ -170,7 +171,7 @@ if __name__=="__main__":
             # Send config
             cmd(b'cf' + sstr(json.dumps({s:dict(config.items(s)) for s in config.sections()})), channel)
             
-            print("Target", target)
+            print("LOCAL: Target", target)
 
             toolchain = config.get(f'target.{target}', 'toolchain', fallback='NONE')
             if toolchain=='NONE':
@@ -190,7 +191,11 @@ if __name__=="__main__":
                         send_file(channel, f)
 
             cmd(b'do'+sstr(target), channel)
-            status = channel.recv(2)
+            while True:
+                status = channel.recv(1)
+                if status!='b\x00':
+                    break
+            status += channel.recv(1)
             end = -1
             while end<0:
                 data = channel.recv(8)
@@ -200,7 +205,7 @@ if __name__=="__main__":
                 print(str(data, 'utf-8'), end='', flush=True)
                 sys.stdout.flush()
 
-            ret = 0
+            ret = int.from_bytes(channel.recv(4), 'big')
 
             # Receive output dir
             recv_dir(channel, config.get('project', 'out_dir', fallback='out'))
@@ -216,3 +221,7 @@ if __name__=="__main__":
         for p in subprocesses:
             p.kill()
         exit(0)
+
+
+if __name__=="__main__":
+    main()

remotesyn/rmserver.py

@@ -15,6 +15,7 @@ import threading
 import socket
 import shutil
 import fcntl
+import traceback
 
 # List of running threads
 threads = []
@@ -209,6 +210,7 @@ class SSHServer(paramiko.ServerInterface):
             global running
             if running:
                 print("ERROR: Unknown error:", e)
+                traceback.print_exception(type(e), e, e.__traceback__)
             return False
 
 class Connection(threading.Thread):
@@ -257,7 +259,9 @@ def print_help():
     print("Options:")
     print("  -h                 Show this help message")
 
-if __name__=="__main__":
+def main():
+    global running
+
     # Parse arguments
     i = 1
     host = ''
@@ -308,3 +312,7 @@ if __name__=="__main__":
     for t in threads:
         t.join()
         t.clean()
+
+
+if __name__=="__main__":
+    main()

remotesyn/toolchains/ISE.py

@@ -11,12 +11,18 @@ import shutil
 def do(config, target, log, subprocesses, prefix='.'):
     shutil.rmtree(config.get('project', 'build_dir', fallback='build'), True)
 
+    stopafter = config.get(f'target.{target}', 'stopafter', fallback='')
+
+    if config.get(f'target.{target}', 'ngc_in', fallback=None) is None:
+        # Synthesize if no ngc is already given
         log("Syntesize:")
 
         res = xst(config, target, log, subprocesses, prefix)
         if res != 0:
             log("ERROR: xst returned with", res)
             return res
+        if stopafter=='synth':
+            return res
 
     log("Implement")
 
@@ -34,6 +40,8 @@ def do(config, target, log, subprocesses, prefix='.'):
     if res != 0:
         log("ERROR: par returned with", res)
         return res
+    if stopafter=='impl':
+        return res
 
     log("Generate output files")
 

remotesyn/toolchains/cocotb.py

@@ -0,0 +1,83 @@
+from distutils.command.build import build
+import shutil
+import os
+import time
+import subprocess
+
+def do(config, target, log, subprocesses, prefix='.'):
+    shutil.rmtree(config.get('project', 'build_dir', fallback='build'), True)
+
+    log("Starting cocotb")
+
+    log(" - parsing options")
+    toplevels = config.get(f'target.{target}', 'toplevels', fallback='').split()
+    simulator = config.get(f'target.{target}', 'simulator', fallback='ghdl')
+    files_vhdl = config.get(f'target.{target}', 'files_vhdl', fallback='').split()
+    files_verilog = config.get(f'target.{target}', 'files_verilog', fallback='').split()
+    files_python = config.get(f'target.{target}', 'files_python', fallback='').split()
+    files_python_other = config.get(f'target.{target}', 'files_python_other', fallback='').split()
+    files_other = config.get(f'target.{target}', 'files_other', fallback='').split()
+    toplevel_langs = config.get(f'target.{target}', 'toplevel_langs', fallback='').split()
+    build_dir = config.get(f'project', 'build_dir', fallback='build')
+    out_dir = config.get(f'project', 'out_dir', fallback='out')
+
+    prefix = f'{os.getcwd()}/{prefix}%%'.replace('/.%%', '').replace('%%', '')
+    build_dir = f'{prefix}/{build_dir}'
+    out_dir = f'{prefix}/{out_dir}/{target}'
+
+    log(" - creating output directories")
+    os.makedirs(build_dir, exist_ok=True)
+    os.makedirs(out_dir, exist_ok=True)
+
+    log(" - copy needed files")
+    for f in files_python_other:
+        shutil.copy(f"{prefix}/{f}", f"{build_dir}/{os.path.basename(f)}")
+    for f in files_other:
+        d = os.path.dirname(f)
+        os.makedirs(f"{build_dir}/{d}", exist_ok=True)
+        shutil.copy(f"{prefix}/{f}", f"{build_dir}/{f}")
+
+    res = 0
+
+    i = 0
+    for pfile in files_python:
+        
+        log(" - copy", pfile)
+        shutil.copy(f"{prefix}/{pfile}", build_dir)
+
+        log(" - writing Makefile for", pfile)
+        with open(f'{build_dir}/Makefile', 'w') as f:
+            f.write(f".SILENT:\nSIM ?= {simulator}\nTOPLEVEL_LANG ?= {toplevel_langs[i]}\nWAVES = 1\n")
+            f.write(f"TOPLEVEL = {toplevels[i]}\nMODULE = {'.'.join(os.path.basename(pfile).split('.')[0:-1])}\n")
+            for vfile in files_vhdl:
+                f.write(f"VHDL_SOURCES += {prefix}/{vfile}\n")
+            for vfile in files_verilog:
+                f.write(f"VERILOG_SOURCES += {prefix}/{vfile}\n")
+
+            if simulator=='ghdl':
+                f.write(f"SIM_ARGS += --vcd={os.path.basename(pfile)}.vcd\n")
+                
+            f.write("include $(shell cocotb-config --makefiles)/Makefile.sim\n")
+
+        log(" - start cocotb")
+        p = subprocess.Popen(f"make 2>&1 | tee {os.path.basename(pfile)}.log", 
+            shell=True, cwd=build_dir, 
+            stdin=subprocess.DEVNULL, 
+            # stdout=subprocess.DEVNULL, 
+            # stderr=subprocess.DEVNULL
+            )
+        subprocesses.append(p)
+        while p.poll() is None:
+            time.sleep(1)
+        res |= p.returncode
+
+        shutil.copy(f"{build_dir}/{os.path.basename(pfile)}.log", out_dir)
+
+        if simulator=='ghdl':
+            shutil.copy(f"{build_dir}/{os.path.basename(pfile)}.vcd", out_dir)
+        elif simulator=='questa':
+            os.system(f'wlf2vcd -o {out_dir}/{os.path.basename(pfile)}.vcd {build_dir}/vsim.wlf')
+
+        i += 1
+
+    return res

remotesyn/toolchains/ghdl.py

@@ -6,7 +6,10 @@ import subprocess
 def execp(cmd, subprocesses, cwd):
     p = subprocess.Popen(cmd, 
         shell=True, cwd=cwd, 
-        stdin=subprocess.DEVNULL, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
+        stdin=subprocess.DEVNULL, 
+        #stdout=subprocess.DEVNULL, 
+        #stderr=subprocess.DEVNULL
+        )
     subprocesses.append(p)
     while p.poll() is None:
         time.sleep(1)
@@ -25,6 +28,7 @@ def do(config, target, log, subprocesses, prefix='.'):
     ghdle_opts = config.get(f'target.{target}', 'ghdle_opts', fallback='')
     ghdlr_opts = config.get(f'target.{target}', 'ghdlr_opts', fallback='')
     files_vhdl = config.get(f'target.{target}', 'files_vhdl', fallback='').split()
+    files_other = config.get(f'target.{target}', 'files_other', fallback='').split()
     build_dir = config.get(f'project', 'build_dir', fallback='build')
     out_dir = config.get(f'project', 'out_dir', fallback='out')
 
@@ -36,6 +40,12 @@ def do(config, target, log, subprocesses, prefix='.'):
     os.makedirs(build_dir, exist_ok=True)
     os.makedirs(out_dir, exist_ok=True)
 
+    log(" - copy needed files")
+    for f in files_other:
+        d = os.path.dirname(f)
+        os.makedirs(f"{build_dir}/{d}", exist_ok=True)
+        shutil.copy(f"{prefix}/{f}", f"{build_dir}/{f}")
+
     log(" - analyze files")
     res = 0
     for f in files_vhdl:
@@ -60,7 +70,8 @@ def do(config, target, log, subprocesses, prefix='.'):
     extra = ''
     if runtime!='all':
         extra = f'--stop-time={runtime.replace(" ", "")}'
-    res = execp(f"echo {toplevel} >> r.log && ghdl -r {ghdlr_opts} {extra} {toplevel} --vcd=out.vcd 2>&1 1>> r.log", subprocesses, build_dir)
+    # res = execp(f"echo {toplevel} >> r.log && ghdl -r {ghdlr_opts} {toplevel} {extra} --vcd=out.vcd --wave=out.ghw 2>&1 | tee r.log", subprocesses, build_dir)
+    res = execp(f"echo {toplevel} >> r.log && ./{toplevel} {ghdlr_opts} {extra} --vcd=out.vcd --wave=out.ghw 2>&1 | tee r.log", subprocesses, build_dir)
     log(" - copy logs")
     shutil.copy(f'{build_dir}/r.log', f'{out_dir}/r.log')
     # Ignore simulation errors: vhdl stopping with failure results in returned with 1
@@ -70,5 +81,6 @@ def do(config, target, log, subprocesses, prefix='.'):
 
     log(" - copy output files")
     shutil.copy(f'{build_dir}/out.vcd', f'{out_dir}/out.vcd')
+    shutil.copy(f'{build_dir}/out.ghw', f'{out_dir}/out.ghw')
 
     return 0

remotesyn/toolchains/gowin.py

@@ -0,0 +1,135 @@
+import shutil
+import os
+import time
+import subprocess
+import html2text
+
+def do(config, target, log, subprocesses, prefix='.'):
+  shutil.rmtree(config.get('project', 'build_dir', fallback='build'), True)
+  shutil.rmtree(config.get('project', 'out_dir', fallback='out'), True)
+
+  log(" - parsing options")
+  family = config.get(f'target.{target}', 'family', fallback='')
+  device = config.get(f'target.{target}', 'device', fallback='')
+  toplevel = config.get(f'target.{target}', 'toplevel', fallback='toplevel')
+  files_vhdl = config.get(f'target.{target}', 'files_vhdl', fallback='').split()
+  files_verilog = config.get(f'target.{target}', 'files_verilog', fallback='').split()
+  files_con= config.get(f'target.{target}', 'files_con', fallback='').split()
+  build_dir = config.get(f'project', 'build_dir', fallback='build')
+  out_dir = config.get(f'project', 'out_dir', fallback='out')
+
+  prefix = f'{os.getcwd()}/{prefix}'
+  build_dir = f'{prefix}/{build_dir}'
+  out_dir = f'{prefix}/{out_dir}/{target}'
+
+  log(" - creating output directories")
+  os.makedirs(build_dir, exist_ok=True)
+  os.makedirs(out_dir, exist_ok=True)
+
+  log(" - writing scripts")
+  with open(f'{build_dir}/synth.tcl', 'w') as f:
+    f.write(f'set_device {device} -name {family}\n')
+
+    for s in files_vhdl:
+      if s=='':
+        continue
+      f.write(f'add_file {prefix}/{s}\n')
+    for s in files_verilog:
+      if s=='':
+        continue
+      f.write(f'add_file {prefix}/{s}\n')
+    for s in files_con:
+      if s=='':
+        continue
+      f.write(f'add_file {prefix}/{s}\n')
+    
+    f.write('set_option -synthesis_tool gowinsynthesis\n')
+    f.write(f'set_option -output_base_name {toplevel}\n')
+    f.write(f'set_option -top_module {toplevel}\n')
+    f.write('run syn\n')
+
+  with open(f'{build_dir}/pnr.tcl', 'w') as f:
+    f.write(f'set_device {device} -name {family}\n')
+    f.write('set_option -synthesis_tool gowinsynthesis\n')
+    f.write(f'set_option -output_base_name {toplevel}\n')
+    f.write(f'set_option -top_module {toplevel}\n')
+    for s in files_con:
+      if s=='':
+        continue
+      f.write(f'add_file {prefix}/{s}\n')
+    f.write(f'add_file {build_dir}/impl/gwsynthesis/{toplevel}.vg\n')
+    
+    f.write('run pnr\n')
+  
+  log(' - run syntesis')
+  p = subprocess.Popen(f"gw_sh synth.tcl",
+                       shell = True,
+                       cwd = build_dir,
+                       stdin = subprocess.DEVNULL,
+                       # stdout = subprocess.DEVNULL,
+                       # stderr = subprocess.DEVNULL,
+                       )
+
+  subprocesses.append(p)
+  while p.poll() is None:
+    time.sleep(1)
+  res = p.returncode
+
+  shutil.copy(f'{build_dir}/impl/gwsynthesis/{toplevel}.log', f'{out_dir}/synth.log')
+  if res!=0:
+    log("ERROR: synthesis failed with:", res)
+    return res
+  shutil.copy(f'{build_dir}/impl/gwsynthesis/{toplevel}.vg', f'{out_dir}/synth_netlist.vg')
+  with open(f'{build_dir}/impl/gwsynthesis/{toplevel}_syn.rpt.html', 'r') as fin, open(f'{out_dir}/synth_rpt.md', 'w') as fout:
+    text_maker = html2text.HTML2Text()
+    text_maker.bypass_tables = False
+    text_maker.ignore_links = True
+    text_maker.body_width = 500
+    fout.write(text_maker.handle(fin.read()))
+
+  log(' - run PnR')
+  p = subprocess.Popen(f"gw_sh pnr.tcl",
+                       shell = True,
+                       cwd = build_dir,
+                       stdin = subprocess.DEVNULL,
+                       # stdout = subprocess.DEVNULL,
+                       # stderr = subprocess.DEVNULL,
+                       )
+
+  subprocesses.append(p)
+  while p.poll() is None:
+    time.sleep(1)
+  res = p.returncode
+
+  shutil.copy(f'{build_dir}/impl/pnr/{toplevel}.log', f'{out_dir}/pnr.log')
+  if res!=0:
+    log("ERROR: pnr failed with:", res)
+    return res
+  shutil.copy(f'{build_dir}/impl/pnr/{toplevel}.fs', f'{out_dir}/{toplevel}.fs')
+  shutil.copy(f'{build_dir}/impl/pnr/{toplevel}.bin', f'{out_dir}/{toplevel}.bin')
+  with open(f'{build_dir}/impl/pnr/{toplevel}.rpt.html', 'r') as fin, open(f'{out_dir}/rpt.md', 'w') as fout:
+    text_maker = html2text.HTML2Text()
+    text_maker.bypass_tables = False
+    text_maker.ignore_links = True
+    text_maker.body_width = 500
+    fout.write(text_maker.handle(fin.read()))
+  with open(f'{build_dir}/impl/pnr/{toplevel}.power.html', 'r') as fin, open(f'{out_dir}/power.md', 'w') as fout:
+    text_maker = html2text.HTML2Text()
+    text_maker.bypass_tables = False
+    text_maker.ignore_links = True
+    text_maker.body_width = 500
+    fout.write(text_maker.handle(fin.read()))
+  with open(f'{build_dir}/impl/pnr/{toplevel}.pin.html', 'r') as fin, open(f'{out_dir}/pin.md', 'w') as fout:
+    text_maker = html2text.HTML2Text()
+    text_maker.bypass_tables = False
+    text_maker.ignore_links = True
+    text_maker.body_width = 500
+    fout.write(text_maker.handle(fin.read()))
+  with open(f'{build_dir}/impl/pnr/{toplevel}_tr_content.html', 'r') as fin, open(f'{out_dir}/timing.md', 'w') as fout:
+    text_maker = html2text.HTML2Text()
+    text_maker.bypass_tables = False
+    text_maker.ignore_links = True
+    text_maker.body_width = 500
+    fout.write(text_maker.handle(fin.read()))
+
+  return res

remotesyn/toolchains/isim.py

@@ -10,12 +10,13 @@ def do(config, target, log, subprocesses, prefix='.'):
     
     log(" - parsing options")
     toplevel = config.get(f'target.{target}', 'toplevel', fallback='toplevel')
-    vcdlevels = config.get(f'target.{target}', 'vcdlevels', fallback='1')
+    vcdlevels = config.get(f'target.{target}', 'vcdlevels', fallback='10')
     runtime = config.get(f'target.{target}', 'runtime', fallback='100 ns')
     fuse_opts = config.get(f'target.{target}', 'fuse_opts', fallback='')
     isim_opts = config.get(f'target.{target}', 'isim_opts', fallback='')
     files_vhdl = config.get(f'target.{target}', 'files_vhdl', fallback='').split()
     files_verilog = config.get(f'target.{target}', 'files_verilog', fallback='').split()
+    files_other = config.get(f'target.{target}', 'files_other', fallback='').split()
     build_dir = config.get(f'project', 'build_dir', fallback='build')
     out_dir = config.get(f'project', 'out_dir', fallback='out')
 
@@ -30,6 +31,12 @@ def do(config, target, log, subprocesses, prefix='.'):
     os.makedirs(build_dir, exist_ok=True)
     os.makedirs(out_dir, exist_ok=True)
 
+    log(" - copy needed files")
+    for f in files_other:
+        d = os.path.dirname(f)
+        os.makedirs(f"{build_dir}/{d}", exist_ok=True)
+        shutil.copy(f"{prefix}/{f}", f"{build_dir}/{f}")
+
     log(" - writing project file")
     with open(f'{build_dir}/sim.prj', 'w') as f:
         for s in files_vhdl:
@@ -51,7 +58,7 @@ def do(config, target, log, subprocesses, prefix='.'):
     res = p.returncode
 
     log(" - copy logs")
-    shutil.copy(f'{build_dir}/ffuse.log', f'{out_dir}/fuse.log')
+    shutil.copy(f'{build_dir}/fuse.log', f'{out_dir}/fuse.log')
 
     if res!=0:
         log("ERROR: fuse returned with:", res)
@@ -61,15 +68,18 @@ def do(config, target, log, subprocesses, prefix='.'):
     with open(f'{build_dir}/sim.tcl', 'w') as f:
         f.write("onerror {resume}\n")
         f.write("vcd dumpfile sim.vcd\n")
-        f.write(f"vcd dumpvars -m {toplevel} -l {vcdlevels}\n")
+        f.write(f"vcd dumpvars -m {toplevel.split()[0]} -l {vcdlevels}\n")
         f.write("vcd dumpon\n")
         f.write(f"run {runtime}\n")
         f.write("vcd dumpflush\nquit\n")
 
     log(" - run sim")
-    p = subprocess.Popen(f"./sim {isim_opts} -tclbatch sim.tcl > sim.log", 
+    p = subprocess.Popen(f"./sim {isim_opts} -tclbatch sim.tcl | tee sim.log", 
         shell=True, cwd=build_dir, 
-        stdin=subprocess.DEVNULL, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
+        stdin=subprocess.DEVNULL, 
+        # stdout=subprocess.DEVNULL, 
+        # stderr=subprocess.DEVNULL
+        )
     subprocesses.append(p)
     while p.poll() is None:
         time.sleep(1)

remotesyn/toolchains/iverilog.py

@@ -0,0 +1,122 @@
+# iverilog.py
+import shutil
+import os
+import time
+import subprocess
+
+def _execp(cmd, subprocesses, cwd):
+    p = subprocess.Popen(
+        cmd,
+        shell=True,
+        cwd=cwd,
+        stdin=subprocess.DEVNULL,
+        # stdout/stderr visible so tee can capture; keep quiet if you prefer:
+        # stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL
+    )
+    subprocesses.append(p)
+    while p.poll() is None:
+        time.sleep(0.2)
+    return p.returncode
+
+def do(config, target, log, subprocesses, prefix='.'):
+    # fresh build dir
+    shutil.rmtree(config.get('project', 'build_dir', fallback='build'), True)
+
+    log("Starting simulation (iverilog)")
+
+    # --- parse options (keep names consistent with your other toolchains) ---
+    toplevel        = config.get(f'target.{target}', 'toplevel',       fallback='toplevel')
+    ivl_opts        = config.get(f'target.{target}', 'ivl_opts',       fallback='')
+    vvp_opts        = config.get(f'target.{target}', 'vvp_opts',       fallback='')
+    runtime         = config.get(f'target.{target}', 'runtime',        fallback='')  # optional; TB can honor +stop_time
+    files_verilog   = config.get(f'target.{target}', 'files_verilog',  fallback='').split()
+    files_sysverilog= config.get(f'target.{target}', 'files_sysverilog', fallback='').split()
+    files_vhdl      = config.get(f'target.{target}', 'files_vhdl',     fallback='').split()
+    files_other     = config.get(f'target.{target}', 'files_other',    fallback='').split()
+    build_dir       = config.get('project', 'build_dir',               fallback='build')
+    out_dir_root    = config.get('project', 'out_dir',                 fallback='out')
+
+    # normalize paths
+    prefix   = f'{os.getcwd()}/{prefix}'
+    build_dir= f'{prefix}/{build_dir}'
+    out_dir  = f'{prefix}/{out_dir_root}/{target}'
+
+    # minor sanitization
+    ivl_opts = ivl_opts.replace('\n', ' ')
+    vvp_opts = vvp_opts.replace('\n', ' ')
+
+    # --- create dirs ---
+    log(" - creating output directories")
+    os.makedirs(build_dir, exist_ok=True)
+    os.makedirs(out_dir, exist_ok=True)
+
+    # --- copy extra needed files into build dir (keeping tree) ---
+    if files_other:
+        log(" - copy needed files")
+    for f in files_other:
+        if not f: continue
+        d = os.path.dirname(f)
+        if d:
+            os.makedirs(f"{build_dir}/{d}", exist_ok=True)
+        shutil.copy(f"{prefix}/{f}", f"{build_dir}/{f}")
+
+    # --- guard: VHDL not supported by Icarus ---
+    if any(s for s in files_vhdl if s.strip()):
+        log("WARNING: VHDL files listed but iverilog does not support VHDL — ignoring them")
+
+    # --- build source list (order as provided) ---
+    sources = []
+    for s in files_verilog:
+        if s: sources.append(f'"{prefix}/{s}"')
+    for s in files_sysverilog:
+        if s: sources.append(f'"{prefix}/{s}"')
+
+    if not sources:
+        log("ERROR: no Verilog/SystemVerilog sources provided")
+        return 1
+
+    # --- decide standard (enable SV if any sysverilog files or if user asked) ---
+    needs_sv = len([1 for _ in files_sysverilog if _]) > 0
+    std_flag = "-g2012" if needs_sv and "-g" not in ivl_opts and "-g2012" not in ivl_opts else ""
+
+    # --- compile ---
+    log(" - compile (iverilog)")
+    # -s <top> sets the toplevel; produce sim.vvp; tee compile log
+    # You can add include dirs/defines via ivl_opts (e.g., -Iinc -DNAME=VALUE)
+    cmd_compile = f'iverilog -o sim.vvp -s {toplevel} {std_flag} {ivl_opts} ' + " ".join(sources) + ' 2>&1 | tee comp.log'
+    res = _execp(cmd_compile, subprocesses, build_dir)
+
+    # logs
+    shutil.copy(f'{build_dir}/comp.log', f'{out_dir}/compile.log')
+    if res != 0:
+        log("ERROR: iverilog returned with", res)
+        return res
+
+    # --- simulate ---
+    log(" - simulate (vvp)")
+    # If your TB supports +stop_time=<time>, we pass it from 'runtime' (e.g., "1000us" -> +stop_time=1000us)
+    plusargs = []
+    if runtime and runtime.strip().lower() != 'all':
+        rt = runtime.replace(" ", "")
+        plusargs.append(f'+stop_time={rt}')   # your TB can $value$plusargs("stop_time=%s", str)
+
+    cmd_run = f'vvp {vvp_opts} sim.vvp ' + " ".join(plusargs) + ' 2>&1 | tee sim.log'
+    res = _execp(cmd_run, subprocesses, build_dir)
+
+    # copy sim log
+    shutil.copy(f'{build_dir}/sim.log', f'{out_dir}/simulate.log')
+
+    # --- copy outputs if present ---
+    # Expect the TB to do $dumpfile("out.vcd"); $dumpvars; (or use your own filename)
+    vcd_candidates = ["out.vcd", f"{toplevel}.vcd", "sim.vcd"]
+    copied = False
+    for vcd in vcd_candidates:
+        src = f'{build_dir}/{vcd}'
+        if os.path.exists(src):
+            shutil.copy(src, f'{out_dir}/out.vcd')
+            copied = True
+            break
+    if not copied:
+        log("NOTE: no VCD found (ensure your TB calls $dumpfile(\"out.vcd\") and $dumpvars)")
+
+    return res

remotesyn/toolchains/make.py

@@ -29,7 +29,10 @@ def do(config, target, log, subprocesses, prefix='.'):
     log(" - run make")
     p = subprocess.Popen(f"BUILDROOT={prefix}/{buildroot} make 2>make.log", 
         shell=True, cwd=build_dir, 
-        stdin=subprocess.DEVNULL, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
+        stdin=subprocess.DEVNULL, 
+        # stdout=subprocess.DEVNULL,
+        # stderr=subprocess.DEVNULL
+        )
     subprocesses.append(p)
     while p.poll() is None:
         time.sleep(1)

remotesyn/toolchains/questa.py

@@ -12,6 +12,9 @@ def do(config, target, log, subprocesses, prefix='.'):
     log(" - parsing options")
     toplevel = config.get(f'target.{target}', 'toplevel', fallback='toplevel')
     runtime = config.get(f'target.{target}', 'runtime', fallback='100 ns')
+    vsim_opts = config.get(f'target.{target}', 'vsim_opts', fallback='')
+    vcom_opts = config.get(f'target.{target}', 'vcom_opts', fallback='')
+    vlog_opts = config.get(f'target.{target}', 'vlog_opts', fallback='')
     files_vhdl = config.get(f'target.{target}', 'files_vhdl', fallback='').split()
     files_verilog = config.get(f'target.{target}', 'files_verilog', fallback='').split()
     files_sysverilog = config.get(f'target.{target}', 'files_sysverilog', fallback='').split()
@@ -28,31 +31,44 @@ def do(config, target, log, subprocesses, prefix='.'):
     os.makedirs(build_dir, exist_ok=True)
     os.makedirs(out_dir, exist_ok=True)
 
+    log(" - copy needed files")
+    for f in files_other:
+        d = os.path.dirname(f)
+        os.makedirs(f"{build_dir}/{d}", exist_ok=True)
+        shutil.copy(f"{prefix}/{f}", f"{build_dir}/{f}")
+
     files_c_wp = {f'{prefix}/{f}' for f in files_c}
 
     log(" - writing compile file")
     with open(f'{build_dir}/do.sh', 'w') as f:
         f.write(f'vlib work\nvmap work work\n')
-        for s in files_vhdl:
-            f.write(f"vcom {prefix}/{s}\n")
         for s in files_verilog:
-            f.write(f"vlog {prefix}/{s}\n")
+            f.write(f"vlog {vlog_opts} {prefix}/{s}\n")
+        for s in files_vhdl:
+            f.write(f"vcom {vcom_opts} {prefix}/{s}\n")
         for s in files_sysverilog:
-            f.write(f"vlog -sv {prefix}/{s}\n")
+            f.write(f"vlog -sv {vlog_opts} {prefix}/{s}\n")
         f.write(f"gcc -g -fPIC -shared -Bsymbolic -o import.so {' '.join(files_c_wp)}\n")
-        extra = ''
+        extra = vsim_opts
         if len(files_c_wp)>0:
-            extra = '-sv_lib import'
+            extra = ' -sv_lib import'
-        f.write(f"vsim -c -do do.do {extra} {toplevel}")
+        f.write(f"vsim -c -do do.do {extra} -vcd=+multid+vhvar -vcddump=out.vcd {toplevel}")
 
     log(" - writing do file")
+    rtime = "-all"
+    if runtime != "all":
+        rtime = runtime
     with open(f'{build_dir}/do.do', 'w') as f:
-        f.write("vcd file out.vcd\n vcd add *\nrun -all\nquit\n");
+        # f.write(f"vcd file out.vcd\n vcd add -r -in -out -inout -internal -ports *\nrun {rtime}\nquit\n");
+        f.write(f"\nrun {rtime}\nquit\n");
 
     log(" - run vsim")
     p = subprocess.Popen(f"bash ./do.sh 2>&1 | tee do.log", 
         shell=True, cwd=build_dir, 
-        stdin=subprocess.DEVNULL, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
+        stdin=subprocess.DEVNULL, 
+        #stdout=subprocess.DEVNULL, 
+        #stderr=subprocess.DEVNULL
+        )
     subprocesses.append(p)
     while p.poll() is None:
         time.sleep(1)

remotesyn/toolchains/symbiyosys.py

@@ -6,7 +6,9 @@ import subprocess
 def execp(cmd, subprocesses, cwd):
     p = subprocess.Popen(cmd, 
         shell=True, cwd=cwd, 
-        stdin=subprocess.DEVNULL, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
+        stdin=subprocess.DEVNULL, 
+        # stdout=subprocess.DEVNULL, 
+        stderr=subprocess.DEVNULL)
     subprocesses.append(p)
     while p.poll() is None:
         time.sleep(1)
@@ -55,7 +57,10 @@ def do(config, target, log, subprocesses, prefix='.'):
         for d in os.listdir(f'{build_dir}'):
             if os.path.isdir(f'{build_dir}/{d}') and d.startswith(oname):
                 shutil.copy(f'{build_dir}/{d}/logfile.txt', f'{out_dir}/{d}.log')
+                try:
                     shutil.copytree(f'{build_dir}/{d}/engine_0', f'{out_dir}/{d}', dirs_exist_ok=True)
+                except FileNotFoundError:
+                    pass
 
         if res!=0:
             log(" - [-]")

remotesyn/toolchains/util_ISE/bitgen.py

@@ -20,7 +20,10 @@ def bitgen(config, target, log, subprocesses, prefix='.') -> int:
     log(" - run bitgen")
     p = subprocess.Popen(f"bitgen -intstyle xflow {bitgen_opts} -g Binary:Yes -w {out_dir}/{target}.ncd {target}.bit {out_dir}/{target}.pcf 2> bitgen.log", 
         shell=True, cwd=build_dir, 
-        stdin=subprocess.DEVNULL, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
+        stdin=subprocess.DEVNULL, 
+        # stdout=subprocess.DEVNULL, 
+        # stderr=subprocess.DEVNULL
+        )
     subprocesses.append(p)
     while p.poll() is None:
         time.sleep(1)

remotesyn/toolchains/util_ISE/coregen.py

@@ -10,7 +10,7 @@ def coregen(config, target, log, subprocesses, prefix='.') -> int:
     package = config.get(f'target.{target}', 'package', fallback='')
     speedgrade = config.get(f'target.{target}', 'speedgrade', fallback='')
     coregen_opts = config.get(f'target.{target}', 'coregen_opts', fallback='')
-    files_xco = config.get(f'target.{target}', 'files_xco', fallback='').split()
+    files_def = config.get(f'target.{target}', 'files_xco', fallback='').split()
     build_dir = config.get(f'project', 'build_dir', fallback='build')
     out_dir = config.get(f'project', 'out_dir', fallback='out')
 
@@ -24,7 +24,7 @@ def coregen(config, target, log, subprocesses, prefix='.') -> int:
 
     res = 0
 
-    for fxco in files_xco:
+    for fxco in files_def:
         cname = fxco.split('/')[-1].split('.')[0]
         
         log(" - Generating", cname, "...")
@@ -40,6 +40,7 @@ def coregen(config, target, log, subprocesses, prefix='.') -> int:
             f.write(f'SET flowvendor = Other\n')
             f.write(f'SET verilogsim = true\n')
             f.write(f'SET vhdlsim = true\n')
+            f.write(f'SET implementationfiletype = ngc\n')
 
         log(" - run coregen")
         p = subprocess.Popen(f"coregen {coregen_opts} -p coregen_{cname}.cgp -b {prefix}/{fxco}", 
@@ -55,9 +56,26 @@ def coregen(config, target, log, subprocesses, prefix='.') -> int:
 
         if res==0:
             log(" - copy output files")
+            try:
                 shutil.copy(f'{build_dir}/{cname}.vhd', f'{out_dir}/{cname}.vhd')
+            except FileNotFoundError:
+                pass
+            try:
                 shutil.copy(f'{build_dir}/{cname}.v', f'{out_dir}/{cname}.v')
-            # shutil.copy(f'{build_dir}/{cname}.ngc', f'{out_dir}/{cname}.ngc')
+            except FileNotFoundError:
+                pass
+            try:
+                shutil.copy(f'{build_dir}/{cname}.ngc', f'{out_dir}/{cname}.ngc')
+            except FileNotFoundError:
+                pass
+            try:
+                shutil.copy(f'{build_dir}/{cname}.xco', f'{out_dir}/{cname}.xco')
+            except FileNotFoundError:
+                pass
+            try:
+                shutil.copy(f'{build_dir}/{cname}.ucf', f'{out_dir}/{cname}.ucf')
+            except FileNotFoundError:
+                pass
         else:
             return res
 

remotesyn/toolchains/util_ISE/map.py

@@ -24,7 +24,10 @@ def map(config, target, log, subprocesses, prefix='.') -> int:
     log(" - run map")
     p = subprocess.Popen(f"map -intstyle xflow -p {devstring} -detail {map_opts} -ol high -xe n -w {out_dir}/{target}.ngd -o impl.map.ncd impl.pcf", 
         shell=True, cwd=build_dir, 
-        stdin=subprocess.DEVNULL, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
+        stdin=subprocess.DEVNULL, 
+        # stdout=subprocess.DEVNULL, 
+        # stderr=subprocess.DEVNULL
+        )
     subprocesses.append(p)
     while p.poll() is None:
         time.sleep(1)

remotesyn/toolchains/util_ISE/ngdbuild.py

@@ -22,10 +22,23 @@ def ngdbuild(config, target, log, subprocesses, prefix='.') -> int:
     os.makedirs(build_dir, exist_ok=True)
     os.makedirs(out_dir, exist_ok=True)
 
+    if config.get(f'target.{target}', 'ngc_in', fallback=None) is None:
+        ngcfile = f'{out_dir}/{target}.ngc'
+    else:
+        log(" - Synthesized design already given, start from there")
+        ngcfile = config.get(f'target.{target}', 'ngc_in', fallback='')
+        d = os.path.dirname(ngcfile)
+        if d:
+            os.makedirs(f"{build_dir}/{d}", exist_ok=True)
+        shutil.copy(ngcfile, f'{build_dir}/{ngcfile}')
+
     log(" - run ngdbuild")
-    p = subprocess.Popen(f"ngdbuild -intstyle xflow -p {devstring} -uc {prefix}/{files_con[0]} {ngdbuild_opts} {out_dir}/{target}.ngc impl.ngd", 
+    p = subprocess.Popen(f"ngdbuild -intstyle xflow -p {devstring} -uc {prefix}/{files_con[0]} {ngdbuild_opts} {ngcfile} impl.ngd", 
         shell=True, cwd=build_dir, 
-        stdin=subprocess.DEVNULL, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
+        stdin=subprocess.DEVNULL, 
+        # stdout=subprocess.DEVNULL, 
+        # stderr=subprocess.DEVNULL
+        )
     subprocesses.append(p)
     while p.poll() is None:
         time.sleep(1)

remotesyn/toolchains/util_ISE/trce.py

@@ -28,5 +28,6 @@ def trce(config, target, log, subprocesses, prefix='.') -> int:
 
     log(" - copy logs")
     shutil.copy(f'{build_dir}/{target}.twr', f'{out_dir}/timing.log')
+    shutil.copy(f'{build_dir}/{target}.twx', f'{out_dir}/timing.twx')
 
     return res

remotesyn/toolchains/util_ISE/xst.py

@@ -10,8 +10,11 @@ def xst(config, target, log, subprocesses, prefix='.') -> int:
     speedgrade = config.get(f'target.{target}', 'speedgrade', fallback='')
     toplevel = config.get(f'target.{target}', 'toplevel', fallback='toplevel')
     xst_opts = config.get(f'target.{target}', 'xst_opts', fallback='')
+    netgensynth_opts = config.get(f'target.{target}', 'netgensynth_opts', fallback='-ofmt verilog')
+    netgensynth_type = config.get(f'target.{target}', 'netgensynth_type', fallback='-sim')
     files_vhdl = config.get(f'target.{target}', 'files_vhdl', fallback='').split()
     files_verilog = config.get(f'target.{target}', 'files_verilog', fallback='').split()
+    files_other = config.get(f'target.{target}', 'files_other', fallback='').split()
     build_dir = config.get(f'project', 'build_dir', fallback='build')
     out_dir = config.get(f'project', 'out_dir', fallback='out')
 
@@ -34,27 +37,64 @@ def xst(config, target, log, subprocesses, prefix='.') -> int:
             if s=='':
                 continue
             f.write(f"verilog work {prefix}/{s}\n")
+    for f in files_other:
+        if not f: continue
+        d = os.path.dirname(f)
+        if d:
+            os.makedirs(f"{build_dir}/{d}", exist_ok=True)
+        shutil.copy(f"{prefix}/{f}", f"{build_dir}/{f}")
 
     log(" - writing project generation file")
     with open(f'{build_dir}/prj.scr', 'w') as f:
         f.write(f'run\n-ifn syn.prj\n-ofn syn.ngc\n-ifmt mixed\n')
         f.write(f'-top {toplevel}\n')
-        f.write(f'-p {devstring}\n-glob_opt max_delay -opt_mode speed')
+        f.write(f'-p {devstring}\n-glob_opt max_delay -opt_mode speed\n')
+        f.write(xst_opts)
+        f.write(f'\n-read_cores YES')
 
     log(" - run xst")
-    p = subprocess.Popen(f"xst -intstyle xflow {xst_opts} -ifn prj.scr", 
+    p = subprocess.Popen(f"xst -intstyle xflow -ifn prj.scr", 
         shell=True, cwd=build_dir, 
-        stdin=subprocess.DEVNULL, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
+        stdin=subprocess.DEVNULL, 
+        # stdout=subprocess.DEVNULL, 
+        # stderr=subprocess.DEVNULL
+        )
     subprocesses.append(p)
     while p.poll() is None:
         time.sleep(1)
     res = p.returncode
 
+    if res==0:
+        log(" - copy output files")
+        shutil.copy(f'{build_dir}/syn.ngc', f'{out_dir}/{target}.ngc')
+
+    log(" - run netgen")
+    extra = ""
+    if netgensynth_type=="-sim" and not netgensynth_opts.__contains__("-ofmt vhdl"):
+        extra = "-insert_glbl true -ism"
+    p = subprocess.Popen(f"netgen -intstyle xflow {netgensynth_type} -w {extra} {netgensynth_opts} {out_dir}/{target}.ngc 2>&1 >> prj.srp", 
+        shell=True, cwd=build_dir, 
+        stdin=subprocess.DEVNULL, 
+        # stdout=subprocess.DEVNULL, 
+        # stderr=subprocess.DEVNULL
+        )
+    subprocesses.append(p)
+    while p.poll() is None:
+        time.sleep(1)
+    res |= p.returncode
+
     log(" - copy logs")
     shutil.copy(f'{build_dir}/prj.srp', f'{out_dir}/xst.log')
 
     if res==0:
         log(" - copy output files")
-        shutil.copy(f'{build_dir}/syn.ngc', f'{out_dir}/{target}.ngc')
+        try:
+            shutil.copy(f'{build_dir}/{target}.v', f'{out_dir}/{target}-synth.v')
+        except FileNotFoundError:
+            pass
+        try:
+            shutil.copy(f'{build_dir}/{target}.vhd', f'{out_dir}/{target}-synth.vhd')
+        except FileNotFoundError:
+            pass
 
     return res

setup.py

@@ -20,6 +20,12 @@ setup(
   ],
     packages=['remotesyn'],
     licence='BSD Licence',
-    install_requires=['paramiko'],
+    install_requires=['paramiko', 'html2text'],
-    scripts=['scripts/rbuild', 'scripts/rmbuild', 'scripts/rmserver']
+    entry_points={
+        'console_scripts': [
+            'rmserver = remotesyn.rmserver:main',
+            'rmbuild = remotesyn.rmbuild:main',
+            'rbuild = remotesyn.rbuild:main'
+        ],
+    }, 
 )