Added isim target

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

examples/spartan6/project.cfg

@@ -10,6 +10,8 @@ port                = 2020
 privkey             = /home/joppe/.ssh/id_rsa
 pubkey              = /home/joppe/.ssh/id_rsa.pub
 
+# ######################################
+# Basic synthesis
 [target.synth]
 toolchain           = ISE
 
@@ -31,3 +33,41 @@ toplevel            = toplevel
 files_vhdl          = RTL/toplevel.vhd
 #files_verilog      =
 files_con           = CON/toplevel.ucf
+# ######################################
+
+# ######################################
+# Behavioural simulation
+[target.sim]
+toolchain           = isim
+
+# Toolchain settings
+toplevel            = tb_toplevel
+vcdlevels           = 20
+runtime             = all
+#fuse_opts           =
+#isim_opts           =
+
+# Fileset
+files_vhdl          = RTL/toplevel.vhd
+                      SIM/tb_toplevel.vhd
+#files_verilog      =
+# ######################################
+
+# ######################################
+# Post synthesis simulation (synth must have ran first)
+[target.psim]
+toolchain           = isim
+
+# Toolchain settings
+toplevel            = tb_toplevel
+vcdlevels           = 20
+runtime             = all
+fuse_opts           = --maxdelay work.glbl
+isim_opts           = -sdfmax /tb_toplevel/c_toplevel=%%D%%/OUT/synth/synth.sdf
+# %%D%% is replaced with the top directory of the project
+
+# Fileset
+files_vhdl          = SIM/tb_toplevel.vhd
+files_verilog       = OUT/synth/synth.v
+files_other         = OUT/synth/synth.sdf
+# ######################################

remotesyn/toolchains/isim.py

@@ -0,0 +1,83 @@
+import shutil
+import os
+import time
+import subprocess
+
+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')
+    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()
+    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}'
+
+    fuse_opts = fuse_opts.replace("%D%", prefix)
+    isim_opts = isim_opts.replace("%D%", prefix)
+
+    log(" - creating output directories")
+    os.makedirs(build_dir, exist_ok=True)
+    os.makedirs(out_dir, exist_ok=True)
+
+    log(" - writing project file")
+    with open(f'{build_dir}/sim.prj', 'w') as f:
+        for s in files_vhdl:
+            if s=='':
+                continue
+            f.write(f"vhdl work {prefix}/{s}\n")
+        for s in files_verilog:
+            if s=='':
+                continue
+            f.write(f"verilog work {prefix}/{s}\n")
+
+    log(" - run fuse")
+    p = subprocess.Popen(f"fuse -v 2 {fuse_opts} {toplevel} -prj sim.prj -o sim -incremental > ffuse.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
+
+    log(" - copy logs")
+    shutil.copy(f'{build_dir}/ffuse.log', f'{out_dir}/fuse.log')
+
+    if res!=0:
+        log("ERROR: fuse returned with:", res)
+        return res
+
+    log(" - writing simulation file")
+    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("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", 
+        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}/sim.log', f'{out_dir}/sim.log')
+
+    if res==0:
+        log(" - copy output files")
+        shutil.copy(f'{build_dir}/sim.vcd', f'{out_dir}/{target}.vcd')
+    else:
+        log("ERROR: sim returned with:", res)
+
+    return res

remotesyn/toolchains/util_ISE/ngdbuild.py

@@ -9,7 +9,7 @@ def ngdbuild(config, target, log, subprocesses, prefix='.') -> int:
     package = config.get(f'target.{target}', 'package', fallback='')
     speedgrade = config.get(f'target.{target}', 'speedgrade', fallback='')
     ngdbuild_opts = config.get(f'target.{target}', 'ngdbuild_opts', fallback='')
-    files_con = config.get(f'target.{target}', 'files_con', 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')
 

remotesyn/toolchains/util_ISE/xst.py

@@ -10,8 +10,8 @@ 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='')
-    files_vhdl = config.get(f'target.{target}', 'files_vhdl', fallback='').split(' ')
+    files_vhdl = config.get(f'target.{target}', 'files_vhdl', fallback='').split()
-    files_verilog = config.get(f'target.{target}', 'files_verilog', fallback='').split(' ')
+    files_verilog = config.get(f'target.{target}', 'files_verilog', fallback='').split()
     build_dir = config.get(f'project', 'build_dir', fallback='build')
     out_dir = config.get(f'project', 'out_dir', fallback='out')