diff options
author | Eddie Hung <eddieh@ece.ubc.ca> | 2019-03-14 08:59:19 -0700 |
---|---|---|
committer | Eddie Hung <eddieh@ece.ubc.ca> | 2019-03-14 08:59:19 -0700 |
commit | f1a8e8a480a7a88835b02abafd27c03e90de7041 (patch) | |
tree | 49679db03662de0b029d814354f01f972179e453 /passes/pmgen | |
parent | 26ecbc1aee1dca1c186ab2b51835d74f67bc3e75 (diff) | |
parent | f0b2d8e467998876ad2cc14232d30ff7892982a3 (diff) | |
download | yosys-f1a8e8a480a7a88835b02abafd27c03e90de7041.tar.gz yosys-f1a8e8a480a7a88835b02abafd27c03e90de7041.tar.bz2 yosys-f1a8e8a480a7a88835b02abafd27c03e90de7041.zip |
Merge remote-tracking branch 'origin/master' into xc7srl
Diffstat (limited to 'passes/pmgen')
-rw-r--r-- | passes/pmgen/Makefile.inc | 4 | ||||
-rw-r--r-- | passes/pmgen/README.md | 4 | ||||
-rw-r--r-- | passes/pmgen/pmgen.py | 12 |
3 files changed, 12 insertions, 8 deletions
diff --git a/passes/pmgen/Makefile.inc b/passes/pmgen/Makefile.inc index 33baaca30..e0609d9ba 100644 --- a/passes/pmgen/Makefile.inc +++ b/passes/pmgen/Makefile.inc @@ -4,5 +4,5 @@ passes/pmgen/ice40_dsp.o: passes/pmgen/ice40_dsp_pm.h EXTRA_OBJS += passes/pmgen/ice40_dsp_pm.h .SECONDARY: passes/pmgen/ice40_dsp_pm.h -passes/pmgen/ice40_dsp_pm.h: passes/pmgen/ice40_dsp.pmg passes/pmgen/pmgen.py - $(P) cd passes/pmgen && python3 pmgen.py ice40_dsp +passes/pmgen/ice40_dsp_pm.h: passes/pmgen/pmgen.py passes/pmgen/ice40_dsp.pmg + $(P) mkdir -p passes/pmgen && python3 $^ $@ diff --git a/passes/pmgen/README.md b/passes/pmgen/README.md index a1007dc62..223b43059 100644 --- a/passes/pmgen/README.md +++ b/passes/pmgen/README.md @@ -16,7 +16,7 @@ API of Generated Matcher ======================== When `pmgen.py` reads a `foobar.pmg` file, it writes `foobar_pm.h` containing -a class `foobar_pm`. That class is instanciated with an RTLIL module and a +a class `foobar_pm`. That class is instantiated with an RTLIL module and a list of cells from that module: foobar_pm pm(module, module->selected_cells()); @@ -142,7 +142,7 @@ The `select` lines are evaluated once for each cell when the matcher is initialized. A `match` block will only consider cells for which all `select` expressions evaluated to `true`. Note that the state variable corresponding to the match (in the example `mul`) is the only state variable that may be used -`select` lines. +in `select` lines. Index lines are using the `index <type> expr1 === expr2` syntax. `expr1` is evaluated during matcher initialization and the same restrictions apply as for diff --git a/passes/pmgen/pmgen.py b/passes/pmgen/pmgen.py index e688a4567..d9747b065 100644 --- a/passes/pmgen/pmgen.py +++ b/passes/pmgen/pmgen.py @@ -6,7 +6,11 @@ import pprint pp = pprint.PrettyPrinter(indent=4) -prefix = sys.argv[1] +pmgfile = sys.argv[1] +assert pmgfile.endswith(".pmg") +prefix = pmgfile[0:-4] +prefix = prefix.split('/')[-1] +outfile = sys.argv[2] state_types = dict() udata_types = dict() @@ -73,7 +77,7 @@ def rewrite_cpp(s): return "".join(t) -with open("%s.pmg" % prefix, "r") as f: +with open(pmgfile, "r") as f: while True: line = f.readline() if line == "": break @@ -82,7 +86,7 @@ with open("%s.pmg" % prefix, "r") as f: cmd = line.split() if len(cmd) == 0 or cmd[0].startswith("//"): continue cmd = cmd[0] - + if cmd == "state": m = re.match(r"^state\s+<(.*?)>\s+(([A-Za-z_][A-Za-z_0-9]*\s+)*[A-Za-z_][A-Za-z_0-9]*)\s*$", line) assert m @@ -176,7 +180,7 @@ with open("%s.pmg" % prefix, "r") as f: blocks.append(block) -with open("%s_pm.h" % prefix, "w") as f: +with open(outfile, "w") as f: print("// Generated by pmgen.py from {}.pgm".format(prefix), file=f) print("", file=f) |