From: Luke Kenneth Casson Leighton Date: Fri, 2 Apr 2021 12:37:38 +0000 (+0000) Subject: experiment with nmigen verilog generation X-Git-Tag: LS180_RC3~158 X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=acf9a74a04e8866aae0a738b02343ae772171b5e;p=soclayout.git experiment with nmigen verilog generation --- diff --git a/experiments10_verilog/Makefile b/experiments10_verilog/Makefile new file mode 100755 index 0000000..9dcb45f --- /dev/null +++ b/experiments10_verilog/Makefile @@ -0,0 +1,44 @@ + + LOGICAL_SYNTHESIS = Yosys + PHYSICAL_SYNTHESIS = Coriolis + DESIGN_KIT = cmos45 + YOSYS_FLATTEN = No + CHIP = chip + CORE = add + USE_CLOCKTREE = Yes + USE_DEBUG = No + USE_KITE = No + RM_CHIP = Yes + + NETLISTS = $(shell cat netlists.txt) +# PATTERNS = add_r + + + include ./mk/design-flow.mk + +# generate verilog file from python nmigen command +add.v: add.py + python3 add.py + +chip_r.vst: add.vst + -$(call scl_cols,$(call c2env, cgt -tV --script=doDesign)) + +chip_r.ap: chip_r.vst + + +blif: add.blif +vst: add.vst + +lvx: lvx-chip_r +druc: druc-chip_r +dreal: dreal-chip_r +flatph: flatph-chip_r +view: cgt-chip_r + +layout: chip_r.ap +gds: chip_r.gds +gds_flat: chip_r_flat.gds +cif: chip_r.cif + +view: cgt-chip_r +sim: asimut-add_r diff --git a/experiments10_verilog/add.py b/experiments10_verilog/add.py new file mode 100644 index 0000000..81d8ed7 --- /dev/null +++ b/experiments10_verilog/add.py @@ -0,0 +1,57 @@ +# generate add.il ilang file with: python3 add.py +# + +from nmigen import Elaboratable, Signal, Module +from nmigen.cli import verilog + +# to get c4m-jtag +# clone with $ git clone gitolite3@git.libre-soc.org:c4m-jtag.git +# $ git clone gitolite3@git.libre-soc.org:nmigen-soc.git +# for each: $ python3 setup.py develop --user + +from c4m.nmigen.jtag.tap import TAP, IOType + + +class ADD(Elaboratable): + def __init__(self, width): + self.a = Signal(width) + self.b = Signal(width) + self.f = Signal(width) + + # set up JTAG + self.jtag = TAP(ir_width=4) + self.jtag.bus.tck.name = 'tck' + self.jtag.bus.tms.name = 'tms' + self.jtag.bus.tdo.name = 'tdo' + self.jtag.bus.tdi.name = 'tdi' + + # have to create at least one shift register + self.sr = self.jtag.add_shiftreg(ircode=4, length=3) + + # sigh and one iotype + self.ios = self.jtag.add_io(name="test", iotype=IOType.In) + + def elaborate(self, platform): + m = Module() + + m.submodules.jtag = jtag = self.jtag + m.d.comb += self.sr.i.eq(self.sr.o) # loopback test + + # do a simple "add" + m.d.sync += self.f.eq(self.a + self.b) + + return m + + +def create_ilang(dut, ports, test_name): + vl = verilog.convert(dut, name=test_name, ports=ports) + with open("%s.v" % test_name, "w") as f: + f.write(vl) + +if __name__ == "__main__": + alu = ADD(width=4) + create_ilang(alu, [alu.a, alu.b, alu.f, + alu.jtag.bus.tck, + alu.jtag.bus.tms, + alu.jtag.bus.tdo, + alu.jtag.bus.tdi], "add") diff --git a/experiments10_verilog/coriolis2/__init__.py b/experiments10_verilog/coriolis2/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/experiments10_verilog/coriolis2/ioring.py b/experiments10_verilog/coriolis2/ioring.py new file mode 100644 index 0000000..3842e0e --- /dev/null +++ b/experiments10_verilog/coriolis2/ioring.py @@ -0,0 +1,46 @@ +#!/usr/bin/env python + +from helpers import l, u, n + + +chip = { 'pads.ioPadGauge' : 'pxlib', + + # | Instance | Pad | To Core | From Core | Enable | + 'pads.instances' :[ + # "a" input. + [ 'p_a0' , 'a(0)', 'a(0)' ], + [ 'p_a1' , 'a(1)', 'a(1)' ], + [ 'p_a2' , 'a(2)', 'a(2)' ], + [ 'p_a3' , 'a(3)', 'a(3)' ], + # "b" input. + [ 'p_b0' , 'b(0)', 'b(0)' ], + [ 'p_b1' , 'b(1)', 'b(1)' ], + [ 'p_b2' , 'b(2)', 'b(2)' ], + [ 'p_b3' , 'b(3)', 'b(3)' ], + # "f" output. + [ 'p_f0' , 'f(0)', 'f(0)' ], # , 'f_oe' ], + [ 'p_f1' , 'f(1)', 'f(1)' ], # , 'f_oe' ], + [ 'p_f2' , 'f(2)', 'f(2)' ], # , 'f_oe' ], + [ 'p_f3' , 'f(3)', 'f(3)' ], # , 'f_oe' ], + # JTAG + [ 'p_tck_0' , 'tck', 'tck'], # 2nd clock + [ 'p_tms_0' , 'tms', 'tms'], + [ 'p_tdo_0' , 'tdo', 'tdo'], + [ 'p_tdi_0' , 'tdi', 'tdi'], + ], + 'pads.south' : + [ 'p_a1', 'p_vddick_0', 'p_vssick_0' , 'p_a0', 'p_a2', 'p_b3', ], + 'pads.east' : + [ 'p_tck_0', # 2nd clock + 'p_tms_0', 'p_tdo_0', 'p_tdi_0', + 'p_b2' ], + 'pads.north' : + [ 'p_b1', 'p_vddeck_0', 'p_b0', 'p_vsseck_0', 'rst' ], + 'pads.west' : + [ 'p_f3', 'p_f2' , 'p_clk_0', 'p_f1' , 'p_f0', 'p_a3' ], + 'core.size' : ( l( 1200), l( 1200) ), + 'chip.size' : ( l(3200), l(3200) ), + 'pads.useCoreSize' : True, + 'chip.clockTree' : True, + } + diff --git a/experiments10_verilog/coriolis2/katana.py b/experiments10_verilog/coriolis2/katana.py new file mode 100644 index 0000000..442b2fc --- /dev/null +++ b/experiments10_verilog/coriolis2/katana.py @@ -0,0 +1,12 @@ + +from Hurricane import DebugSession + +#DebugSession.addToTrace( katana.getCell().getNet( 'abc_12494_n543' ) ) +#DebugSession.addToTrace( katana.getCell().getNet( 'dl(6)' ) ) +#DebugSession.addToTrace( katana.getCell().getNet( 'n0_dl_7_0_6' ) ) +#DebugSession.addToTrace( katana.getCell().getNet( 'abc_12509_n822' ) ) +#DebugSession.addToTrace( katana.getCell().getNet( 'abc_12509_n734' ) ) +#DebugSession.addToTrace( katana.getCell().getNet( 'abc_12509_n1386' ) ) +#DebugSession.addToTrace( katana.getCell().getNet( 'abc_12494_n763' ) ) +#DebugSession.addToTrace( katana.getCell().getNet( 'abc_12494_n800' ) ) +#DebugSession.addToTrace( katana.getCell().getNet( 'abc_12491_n428_1' ) ) diff --git a/experiments10_verilog/coriolis2/settings.py b/experiments10_verilog/coriolis2/settings.py new file mode 100644 index 0000000..ba1f2a3 --- /dev/null +++ b/experiments10_verilog/coriolis2/settings.py @@ -0,0 +1,42 @@ +# -*- Mode:Python -*- + +from __future__ import print_function +import os +import Cfg +import CRL +import Viewer +#import node180.scn6m_deep_09 +import symbolic.cmos45 +from helpers import overlay, l, u, n + +if os.environ.has_key('CELLS_TOP'): + cellsTop = os.environ['CELLS_TOP'] +else: + cellsTop = '../../../alliance-check-toolkit/cells' +with overlay.CfgCache(priority=Cfg.Parameter.Priority.UserFile) as cfg: + cfg.misc.catchCore = False + cfg.misc.info = False + cfg.misc.paranoid = False + cfg.misc.bug = False + cfg.misc.logMode = True + cfg.misc.verboseLevel1 = True + cfg.misc.verboseLevel2 = True + cfg.etesian.graphics = 3 + cfg.etesian.spaceMargin = 0.05 + cfg.etesian.aspectRatio = 1.0 + cfg.anabatic.edgeLenght = 24 + cfg.anabatic.edgeWidth = 8 + cfg.anabatic.topRoutingLayer = 'METAL5' + cfg.katana.eventsLimit = 4000000 + cfg.etesian.effort = 2 + cfg.etesian.uniformDensity = True + cfg.katana.hTracksReservedLocal = 7 + cfg.katana.vTracksReservedLocal = 6 + Viewer.Graphics.setStyle( 'Alliance.Classic [black]' ) + af = CRL.AllianceFramework.get() + env = af.getEnvironment() + env.setCLOCK( '^clk|^ck|^tck' ) + env.addSYSTEM_LIBRARY( library=cellsTop+'/niolib', mode=CRL.Environment.Prepend ) + env.addSYSTEM_LIBRARY( library=cellsTop+'/nsxlib', mode=CRL.Environment.Prepend ) +print( ' o Successfully run "<>/coriolis2/settings.py".' ) +print( ' - CELLS_TOP = "{}"'.format(cellsTop) ) diff --git a/experiments10_verilog/doDesign.py b/experiments10_verilog/doDesign.py new file mode 100644 index 0000000..4aa1e5f --- /dev/null +++ b/experiments10_verilog/doDesign.py @@ -0,0 +1,93 @@ + +from __future__ import print_function +import sys +import traceback +import CRL +import helpers +from helpers.io import ErrorMessage +from helpers.io import WarningMessage +from helpers import trace +from helpers import l, u, n +import plugins +from Hurricane import DbU +from plugins.alpha.block.block import Block +from plugins.alpha.block.configuration import IoPin +from plugins.alpha.block.configuration import GaugeConf +from plugins.alpha.core2chip.niolib import CoreToChip +from plugins.alpha.chip.configuration import ChipConf +from plugins.alpha.chip.chip import Chip + + +af = CRL.AllianceFramework.get() + + +def scriptMain ( **kw ): + """The mandatory function to be called by Coriolis CGT/Unicorn.""" + global af + rvalue = True + try: + helpers.setTraceLevel( 550 ) + usePadsPosition = True + buildChip = True + cell, editor = plugins.kwParseMain( **kw ) + cell = af.getCell( 'add', CRL.Catalog.State.Logical ) + if cell is None: + print( ErrorMessage( 2, 'doDesign.scriptMain(): Unable to load cell "{}".'.format('adder') )) + sys.exit( 1 ) + if editor: editor.setCell( cell ) + # Spec: + # | Side | Pos | Instance | Pad net |Core net | Direction | + ioPadsSpec = [ + (IoPin.SOUTH, None, 'p_a0' , 'a(0)' , 'a(0)' ) + , (IoPin.SOUTH, None, 'p_a1' , 'a(1)' , 'a(1)' ) + , (IoPin.SOUTH, None, 'iopower_0' , 'iovdd' ) + , (IoPin.SOUTH, None, 'power_0' , 'vdd' ) + , (IoPin.SOUTH, None, 'p_a2' , 'a(2)' , 'a(2)' ) + , (IoPin.SOUTH, None, 'p_b3' , 'b(3)' , 'b(3)' ) + , (IoPin.EAST , None, 'p_tms_0' , 'tms' , 'tms' ) + , (IoPin.EAST , None, 'p_tdo_0' , 'tdo' , 'tdo' ) + , (IoPin.EAST , None, 'ground_0' , 'vss' ) + , (IoPin.EAST , None, 'p_clk' , 'clk' , 'clk' ) + , (IoPin.EAST , None, 'p_tck' , 'tck' , 'tck' ) + , (IoPin.EAST , None, 'p_tdi_0' , 'tdi' , 'tdi' ) + , (IoPin.EAST , None, 'p_b2' , 'b(2)' , 'b(2)' ) + , (IoPin.NORTH, None, 'ioground_0' , 'iovss' ) + , (IoPin.NORTH, None, 'p_b1' , 'b(1)' , 'b(1)' ) + , (IoPin.NORTH, None, 'ground_1' , 'vss' ) + , (IoPin.NORTH, None, 'p_b0' , 'b(0)' , 'b(0)' ) + , (IoPin.NORTH, None, 'rst' , 'rst' , 'rst' ) + , (IoPin.WEST , None, 'p_f3' , 'f(3)' , 'f(3)' ) + , (IoPin.WEST , None, 'p_f2' , 'f(2)' , 'f(2)' ) + , (IoPin.WEST , None, 'power_1' , 'vdd' ) + , (IoPin.WEST , None, 'p_f1' , 'f(1)' , 'f(1)' ) + , (IoPin.WEST , None, 'p_f0' , 'f(0)' , 'f(0)' ) + , (IoPin.WEST , None, 'p_a3' , 'a(3)' , 'a(3)' ) + ] + adderConf = ChipConf( cell, ioPads=ioPadsSpec ) + adderConf.cfg.etesian.bloat = 'nsxlib' + adderConf.cfg.etesian.uniformDensity = True + adderConf.cfg.etesian.aspectRatio = 1.0 + adderConf.cfg.etesian.spaceMargin = 0.05 + adderConf.cfg.block.spareSide = l(700) + adderConf.cfg.chip.padCoreSide = 'North' + adderConf.editor = editor + adderConf.useSpares = True + adderConf.useClockTree = True + adderConf.bColumns = 2 + adderConf.bRows = 2 + adderConf.chipConf.name = 'chip' + adderConf.chipConf.ioPadGauge = 'niolib' + adderConf.coreSize = ( l(2000), l(2000) ) + adderConf.chipSize = ( l(5900), l(5900) ) + adderToChip = CoreToChip( adderConf ) + adderToChip.buildChip() + chipBuilder = Chip( adderConf ) + chipBuilder.doChipFloorplan() + rvalue = chipBuilder.doPnR() + chipBuilder.save() + except Exception, e: + helpers.io.catch( e ) + rvalue = False + sys.stdout.flush() + sys.stderr.flush() + return rvalue diff --git a/experiments10_verilog/mksym.sh b/experiments10_verilog/mksym.sh new file mode 120000 index 0000000..645c607 --- /dev/null +++ b/experiments10_verilog/mksym.sh @@ -0,0 +1 @@ +../mksym.sh \ No newline at end of file diff --git a/experiments10_verilog/netlists.txt b/experiments10_verilog/netlists.txt new file mode 100644 index 0000000..599bb5a --- /dev/null +++ b/experiments10_verilog/netlists.txt @@ -0,0 +1,5 @@ +add +fsm +idblock +irblock +jtag