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{-|
Module : VeriFuzz.Sim.Yosys
Description : Yosys simulator implementation.
Copyright : (c) 2018-2019, Yann Herklotz
License : BSD-3
Maintainer : ymherklotz [at] gmail [dot] com
Stability : experimental
Portability : POSIX
Yosys simulator implementation.
-}
{-# LANGUAGE QuasiQuotes #-}
module VeriFuzz.Sim.Yosys
( Yosys(..)
, defaultYosys
, runEquiv
, runEquivYosys
)
where
import Control.Lens
import Prelude hiding (FilePath)
import Shelly
import Shelly.Lifted (liftSh)
import Text.Shakespeare.Text (st)
import VeriFuzz.Sim.Internal
import VeriFuzz.Sim.Template
import VeriFuzz.Verilog.AST
import VeriFuzz.Verilog.CodeGen
import VeriFuzz.Verilog.Mutate
newtype Yosys = Yosys { yosysPath :: FilePath }
deriving (Eq, Show)
instance Tool Yosys where
toText _ = "yosys"
instance Synthesiser Yosys where
runSynth = runSynthYosys
defaultYosys :: Yosys
defaultYosys = Yosys "yosys"
runSynthYosys :: Yosys -> SourceInfo -> FilePath -> ResultSh ()
runSynthYosys sim (SourceInfo _ src) outf = (<?> SynthFail) . liftSh $ do
dir <- pwd
writefile inpf $ genSource src
echoP "Yosys: synthesis"
logger_ dir "yosys"
$ timeout
(yosysPath sim)
["-b", "verilog -noattr", "-o", out, "-S", inp]
echoP "Yosys: synthesis done"
where
inpf = "rtl.v"
inp = toTextIgnore inpf
out = toTextIgnore outf
runMaybeSynth :: (Synthesiser a) => Maybe a -> SourceInfo -> ResultSh ()
runMaybeSynth (Just sim) srcInfo =
runSynth sim srcInfo $ fromText [st|syn_#{toText sim}.v|]
runMaybeSynth Nothing (SourceInfo _ src) =
liftSh . writefile "syn_rtl.v" $ genSource src
runEquivYosys
:: (Synthesiser a, Synthesiser b)
=> Yosys
-> a
-> Maybe b
-> SourceInfo
-> ResultSh ()
runEquivYosys yosys sim1 sim2 srcInfo = do
liftSh $ do
writefile "top.v"
. genSource
. initMod
. makeTop 2
$ srcInfo
^. mainModule
writefile checkFile $ yosysSatConfig sim1 sim2 srcInfo
runSynth sim1 srcInfo $ fromText [st|syn_#{toText sim1}.v|]
runMaybeSynth sim2 srcInfo
liftSh $ do
echoP "Yosys: equivalence check"
run_ (yosysPath yosys) [toTextIgnore checkFile]
echoP "Yosys: equivalence done"
where
checkFile =
fromText [st|test.#{toText sim1}.#{maybe "rtl" toText sim2}.ys|]
runEquiv
:: (Synthesiser a, Synthesiser b)
=> Yosys
-> a
-> Maybe b
-> SourceInfo
-> ResultSh ()
runEquiv _ sim1 sim2 srcInfo = do
root <- liftSh rootPath
dir <- liftSh pwd
liftSh $ do
echoP "SymbiYosys: setup"
writefile "top.v"
. genSource
. initMod
. makeTopAssert
$ srcInfo
^. mainModule
writefile "test.sby" $ sbyConfig root sim1 sim2 srcInfo
runSynth sim1 srcInfo $ fromText [st|syn_#{toText sim1}.v|]
runMaybeSynth sim2 srcInfo
liftSh $ echoP "SymbiYosys: run"
execute_ EquivFail dir "symbiyosys" "sby" ["-f", "test.sby"]
liftSh $ echoP "SymbiYosys: done"
|