From d35e7485d359a963ef051831c458837f727232b6 Mon Sep 17 00:00:00 2001 From: Jean-Paul Chaput Date: Mon, 1 Feb 2021 17:04:38 +0100 Subject: [PATCH] Netlist integration of the SRAM OK. Layout in progress. --- experiments12/Makefile | 24 +--- experiments12/SPBlock_512W64B8W.vbe | 19 +++ experiments12/coriolis2/ioring.py | 39 ------ experiments12/coriolis2/katana.py | 3 +- experiments12/coriolis2/settings.py | 2 + experiments12/doDesign.py | 152 +++++++++++++++++++++++ experiments12/{nets.txt => netlists.txt} | 0 7 files changed, 181 insertions(+), 58 deletions(-) create mode 100644 experiments12/SPBlock_512W64B8W.vbe delete mode 100644 experiments12/coriolis2/ioring.py create mode 100644 experiments12/doDesign.py rename experiments12/{nets.txt => netlists.txt} (100%) diff --git a/experiments12/Makefile b/experiments12/Makefile index 5be0fc9..61eabd8 100755 --- a/experiments12/Makefile +++ b/experiments12/Makefile @@ -1,25 +1,20 @@ -# -*- explicit-buffer-name: "Makefile<6502/cmos45>" -*- +# -*- explicit-buffer-name: "Makefile" -*- LOGICAL_SYNTHESIS = Yosys PHYSICAL_SYNTHESIS = Coriolis DESIGN_KIT = FlexLib018 -# YOSYS_FLATTEN = Yes CHIP = chip CORE = memory - MARGIN = 2 - BOOMOPT = # -A - BOOGOPT = - LOONOPT = - NSL2VHOPT = -vasy # -split -p USE_CLOCKTREE = Yes USE_DEBUG = No USE_KITE = No -# RM_CHIP = Yes + RM_CHIP = No + VST_FLAGS = --vst-no-lowercase + YOSYS_FLATTEN = YOSYS_BLACKBOXES = SPBlock_512W64B8W - NETLISTS = $(shell cat nets.txt) -# PATTERNS = memory_r + NETLISTS = $(shell cat netlists.txt) include ./mk/design-flow.mk @@ -31,14 +26,7 @@ vst: memory.vst lvx: lvx-chip_cts_r druc: druc-chip_cts_r dreal: dreal-chip_cts_r -flatph: flatph-chip_cts_r +flatph: flatph-chip_cts_r view: cgt-chip_cts_r - layout: chip_cts_r.ap gds: chip_cts_r.gds -gds_flat: chip_cts_r_flat.gds -cif: chip_cts_r.cif - - -view: cgt-chip_cts_r -sim: asimut-memory_cts_r diff --git a/experiments12/SPBlock_512W64B8W.vbe b/experiments12/SPBlock_512W64B8W.vbe new file mode 100644 index 0000000..c752468 --- /dev/null +++ b/experiments12/SPBlock_512W64B8W.vbe @@ -0,0 +1,19 @@ + +-- Phony VHDL interface for SRAM block. + +entity SPBlock_512W64B8W is + port ( clk : in bit + ; we : in bit_vector( 7 downto 0) + ; a : in bit_vector( 8 downto 0) + ; d : in bit_vector(63 downto 0) + ; q : out bit_vector(63 downto 0) + ; vdd : in bit + ; vss : in bit + ); +end SPBlock_512W64B8W; + +architecture behavioral of SPBlock_512W64B8W is + +begin + +end behavioral; diff --git a/experiments12/coriolis2/ioring.py b/experiments12/coriolis2/ioring.py deleted file mode 100644 index 5b43d14..0000000 --- a/experiments12/coriolis2/ioring.py +++ /dev/null @@ -1,39 +0,0 @@ -#!/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' ], - ], - 'pads.south' : - [ 'p_a1', 'p_vddick_0', 'p_vssick_0' , 'p_a0' ], - 'pads.east' : - [ 'p_a2', 'p_a3' , 'p_b3' , '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' ], - 'core.size' : ( l( 1200), l( 1200) ), - 'chip.size' : ( l(3200), l(3200) ), - 'pads.useCoreSize' : True, - 'chip.clockTree' : True, - } - diff --git a/experiments12/coriolis2/katana.py b/experiments12/coriolis2/katana.py index 80b8383..b7dd7b3 100644 --- a/experiments12/coriolis2/katana.py +++ b/experiments12/coriolis2/katana.py @@ -1,4 +1,5 @@ from Hurricane import DebugSession -#DebugSession.addToTrace( katana.getCell().getNet( 'abc_12494_n543' ) ) +#DebugSession.addToTrace( katana.getCell().getNet( 'core.result(24)' ) ) +#DebugSession.addToTrace( katana.getCell().getNet( 'core.result(1)' ) ) diff --git a/experiments12/coriolis2/settings.py b/experiments12/coriolis2/settings.py index 6b73bee..a8e287b 100644 --- a/experiments12/coriolis2/settings.py +++ b/experiments12/coriolis2/settings.py @@ -29,6 +29,8 @@ LibreSOCMem.setup() with overlay.CfgCache('', priority=Cfg.Parameter.Priority.UserFile) as cfg: cfg.misc.catchCore = False + cfg.misc.minTraceLevel = 14900 + cfg.misc.maxTraceLevel = 15000 cfg.misc.info = False cfg.misc.paranoid = False cfg.misc.bug = False diff --git a/experiments12/doDesign.py b/experiments12/doDesign.py new file mode 100644 index 0000000..5c525c4 --- /dev/null +++ b/experiments12/doDesign.py @@ -0,0 +1,152 @@ + +from __future__ import print_function +import sys +import traceback +import collections +import CRL +import helpers +helpers.loadUserSettings() +from helpers import trace, l, u, n +from helpers.io import ErrorMessage, WarningMessage +from helpers.overlay import UpdateSession +import plugins +from Hurricane import Breakpoint, DbU, Transformation, Box, Instance +from plugins.alpha.block.block import Block +from plugins.alpha.block.configuration import IoPin, GaugeConf +from plugins.alpha.core2chip.libresocio import CoreToChip +from plugins.alpha.chip.configuration import ChipConf +from plugins.alpha.chip.chip import Chip + + +af = CRL.AllianceFramework.get() + + +def isiterable ( pyobj ): + if isinstance(pyobj,collections.Iterable): return True + return False + + +def doIoPinVector ( ioSpec, bits ): + v = [] + if not isiterable(bits): bits = range(bits) + if len(ioSpec) != 5: + raise ErrorMessage( 1, [ 'doIoPinVector(): Argument "ioSpec" must have excatly 5 fields ({})'.format(len(ioSpec)) + , '(ioSpec={})'.format(ioSpec) + ] ) + if not bits: + raise ErrorMessage( 1, [ 'doIoPinVector(): Argument "bits" is neither a width nor an iterable.' + , '(bits={})'.format(bits) + ] ) + for bit in bits: + v.append(( ioSpec[0] + , ioSpec[1] + , ioSpec[2].format(bit) + , ioSpec[3].format(bit) + , ioSpec[4].format(bit) )) + return v + + +def scriptMain ( **kw ): + """The mandatory function to be called by Coriolis CGT/Unicorn.""" + global af + rvalue = True + try: + #helpers.setTraceLevel( 540 ) + Breakpoint.setStopLevel( 100 ) + buildChip = True + cell, editor = plugins.kwParseMain( **kw ) + cell = af.getCell( 'memory', CRL.Catalog.State.Logical ) + if editor: + editor.setCell( cell ) + editor.setDbuMode( DbU.StringModePhysical ) + + ioPadsSpec = [] + ioPadsSpec += doIoPinVector( (IoPin.WEST , None, 'a_{}', 'a({})', 'a({})'), 8 ) + ioPadsSpec += doIoPinVector( (IoPin.SOUTH, None, 'b_{}', 'b({})', 'b({})'), 8 ) + ioPadsSpec += doIoPinVector( (IoPin.EAST , None, 'f_{}', 'f({})', 'f({})'), 8 ) + ioPadsSpec += doIoPinVector( (IoPin.NORTH, None, 'we_{}', 'we({})', 'we({})'), range(0,4) ) + ioPadsSpec += [ (IoPin.NORTH, None, 'clk' , 'clk', 'clk' ) + , (IoPin.NORTH, None, 'power_0' , 'vdd' ) + , (IoPin.NORTH, None, 'ground_0' , 'vss' ) + , (IoPin.NORTH, None, 'ioground_0', 'iovss' ) + , (IoPin.NORTH, None, 'iopower_0' , 'iovdd' ) + , (IoPin.NORTH, None, 'iopower_1' , 'iovdd' ) + , (IoPin.NORTH, None, 'rst' , 'rst', 'rst' ) + ] + ioPadsSpec += doIoPinVector( (IoPin.NORTH, None, 'we_{}', 'we({})', 'we({})'), range(4,8) ) + ioPinsSpec = [ (IoPin.WEST |IoPin.A_BEGIN, 'a({})' , u( 3.3), u( 6.6), 64) + , (IoPin.SOUTH|IoPin.A_BEGIN, 'b({})' , u( 3.3), u( 6.6), 64) + , (IoPin.EAST |IoPin.A_BEGIN, 'f({})' , u( 3.3), u( 6.6), 64) + , (IoPin.NORTH|IoPin.A_BEGIN, 'we({})' , u( 3.3), u( 6.6), 8) + , (IoPin.NORTH|IoPin.A_BEGIN, 'rst' , u( 33.0), 0 , 1) + , (IoPin.NORTH|IoPin.A_BEGIN, 'clk' , u( 66.0), 0 , 1) + ] + memoryConf = ChipConf( cell, ioPins=ioPinsSpec, ioPads=ioPadsSpec ) + memoryConf.cfg.viewer.pixelThreshold = 5 + memoryConf.cfg.etesian.bloat = 'nsxlib' + memoryConf.cfg.etesian.uniformDensity = True + memoryConf.cfg.etesian.aspectRatio = 1.0 + # etesian.spaceMargin is ignored if the coreSize is directly set. + memoryConf.cfg.etesian.spaceMargin = 0.20 + memoryConf.cfg.anabatic.searchHalo = 2 + memoryConf.cfg.anabatic.globalIterations = 20 + memoryConf.cfg.anabatic.topRoutingLayer = 'METAL5' + memoryConf.cfg.katana.hTracksReservedLocal = 6 + memoryConf.cfg.katana.vTracksReservedLocal = 3 + memoryConf.cfg.katana.hTracksReservedMin = 3 + memoryConf.cfg.katana.vTracksReservedMin = 1 + memoryConf.cfg.block.spareSide = u(200) + #memoryConf.cfg.chip.padCoreSide = 'North' + #memoryConf.cfg.chip.use45corners = False + memoryConf.cfg.chip.useAbstractPads = True + memoryConf.editor = editor + memoryConf.useSpares = False + memoryConf.useClockTree = False + memoryConf.useHFNS = False + memoryConf.bColumns = 2 + memoryConf.bRows = 3 + memoryConf.chipName = 'chip' + memoryConf.chipConf.ioPadGauge = 'LibreSOCIO' + memoryConf.coreSize = ( u( 988.0), u( 988.0) ) + memoryConf.chipSize = ( u(2000.0), u(2000.0) ) + + with UpdateSession(): + sliceHeight = memoryConf.sliceHeight + coreAb = Box( 0, 0, u(988.0), u(988.0) ) + cell.setAbutmentBox( coreAb ) + sramName = 'subckt_500_SPBlock_512W64B8W' + sram = cell.getInstance( sramName ) + if not sram: + print( '[ERROR] SRAM instance "{}" not found.'.format(sramName) ) + else: + sramAb = sram.getMasterCell().getAbutmentBox() + sram.setTransformation( Transformation( coreAb.getXMax() - sramAb.getWidth() + , u(0.0) + , Transformation.Orientation.ID ) ) + sram.setPlacementStatus( Instance.PlacementStatus.FIXED ) + sramAb = sram.getAbutmentBox() + memoryConf.placeArea = Box( coreAb.getXMin() + , coreAb.getYMax() - sliceHeight*10 + , coreAb.getXMax() + , coreAb.getYMax() + ) + Breakpoint.stop( 99, 'After core block placement.' ) + + if buildChip: + arlet6502ToChip = CoreToChip( memoryConf ) + arlet6502ToChip.buildChip() + chipBuilder = Chip( memoryConf ) + rvalue = chipBuilder.doPnR() + chipBuilder.save() + CRL.Gds.save( memoryConf.chip ) + else: + blockBuilder = Block( memoryConf ) + rvalue = blockBuilder.doPnR() + blockBuilder.save() + CRL.Gds.save( memoryConf.cell ) + except Exception, e: + helpers.io.catch( e ) + rvalue = False + sys.stdout.flush() + sys.stderr.flush() + return rvalue diff --git a/experiments12/nets.txt b/experiments12/netlists.txt similarity index 100% rename from experiments12/nets.txt rename to experiments12/netlists.txt -- 2.30.2