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module Main where
import Control.Concurrent
import Data.Text (Text)
import qualified Data.Text as T
import qualified Data.Text.IO as T
import Options.Applicative
import qualified Shelly as S
import qualified VeriFuzz as V
data Tool = Yosys
| XST
| Icarus
instance Show Tool where
show Yosys = "yosys"
show XST = "xst"
show Icarus = "icarus"
data Opts = Fuzz { fuzzOutput :: {-# UNPACK #-} !Text
, configFile :: !(Maybe FilePath)
, forced :: !Bool
, keepAll :: !Bool
, num :: {-# UNPACK #-} !Int
}
| Generate { mFileName :: !(Maybe FilePath)
, configFile :: !(Maybe FilePath)
}
| Parse { fileName :: {-# UNPACK #-} !S.FilePath
}
| Reduce { fileName :: {-# UNPACK #-} !S.FilePath
, top :: {-# UNPACK #-} !Text
}
| Config { writeDefaultConfig :: !(Maybe FilePath) }
myForkIO :: IO () -> IO (MVar ())
myForkIO io = do
mvar <- newEmptyMVar
_ <- forkFinally io (\_ -> putMVar mvar ())
return mvar
textOption :: Mod OptionFields String -> Parser Text
textOption = fmap T.pack . strOption
optReader :: (String -> Maybe a) -> ReadM a
optReader f = eitherReader $ \arg -> case f arg of
Just a -> Right a
Nothing -> Left $ "Cannot parse option: " <> arg
parseSynth :: String -> Maybe Tool
parseSynth val | val == "yosys" = Just Yosys
| val == "xst" = Just XST
| otherwise = Nothing
parseSim :: String -> Maybe Tool
parseSim val | val == "icarus" = Just Icarus
| otherwise = Nothing
fuzzOpts :: Parser Opts
fuzzOpts =
Fuzz
<$> textOption
( long "output"
<> short 'o'
<> metavar "DIR"
<> help "Output directory that the fuzz run takes place in."
<> showDefault
<> value "output"
)
<*> ( optional
. strOption
$ long "config"
<> short 'c'
<> metavar "FILE"
<> help "Config file for the current fuzz run."
)
<*> (switch $ long "force" <> short 'f' <> help
"Overwrite the specified directory."
)
<*> (switch $ long "keep" <> short 'k' <> help
"Keep all the directories."
)
<*> (option auto $
long "num"
<> short 'n'
<> help "The number of fuzz runs that should be performed."
<> showDefault
<> value 1
<> metavar "INT"
)
genOpts :: Parser Opts
genOpts =
Generate
<$> ( optional
. strOption
$ long "output"
<> short 'o'
<> metavar "FILE"
<> help "Output to a verilog file instead."
)
<*> ( optional
. strOption
$ long "config"
<> short 'c'
<> metavar "FILE"
<> help "Config file for the generation run."
)
parseOpts :: Parser Opts
parseOpts = Parse . S.fromText . T.pack <$> strArgument
(metavar "FILE" <> help "Verilog input file.")
reduceOpts :: Parser Opts
reduceOpts =
Reduce
. S.fromText
. T.pack
<$> strArgument (metavar "FILE" <> help "Verilog input file.")
<*> textOption
( short 't'
<> long "top"
<> metavar "TOP"
<> help "Name of top level module."
<> showDefault
<> value "main"
)
configOpts :: Parser Opts
configOpts =
Config
<$> ( optional
. strOption
$ long "output"
<> short 'o'
<> metavar "FILE"
<> help "Output to a TOML Config file."
)
argparse :: Parser Opts
argparse =
hsubparser
( command
"fuzz"
(info
fuzzOpts
(progDesc
"Run fuzzing on the specified simulators and synthesisers."
)
)
<> metavar "fuzz"
)
<|> hsubparser
( command
"generate"
(info
genOpts
(progDesc "Generate a random Verilog program.")
)
<> metavar "generate"
)
<|> hsubparser
( command
"parse"
(info
parseOpts
(progDesc
"Parse a verilog file and output a pretty printed version."
)
)
<> metavar "parse"
)
<|> hsubparser
( command
"reduce"
(info
reduceOpts
(progDesc
"Reduce a Verilog file by rerunning the fuzzer on the file."
)
)
<> metavar "reduce"
)
<|> hsubparser
( command
"config"
(info
configOpts
(progDesc
"Print the current configuration of the fuzzer."
)
)
<> metavar "config"
)
opts :: ParserInfo Opts
opts = info
(argparse <**> helper)
( fullDesc
<> progDesc "Fuzz different simulators and synthesisers."
<> header
"VeriFuzz - A hardware simulator and synthesiser Verilog fuzzer."
)
getConfig :: Maybe FilePath -> IO V.Config
getConfig = maybe (return V.defaultConfig) V.parseConfigFile
handleOpts :: Opts -> IO ()
handleOpts (Fuzz out configF _ _ n) = do
config <- getConfig configF
_ <- V.runFuzz config
V.defaultYosys
(V.fuzzMultiple n Nothing (V.proceduralSrc "top" config))
return ()
handleOpts (Generate f c) = do
config <- getConfig c
source <- V.proceduralIO "top" config
maybe (T.putStrLn $ V.genSource source)
(flip T.writeFile (V.genSource source))
f
handleOpts (Parse f) = do
verilogSrc <- readFile file
case V.parseVerilog file verilogSrc of
Left l -> print l
Right v -> print $ V.GenVerilog v
where file = T.unpack . S.toTextIgnore $ f
handleOpts (Reduce f t) = do
verilogSrc <- readFile file
case V.parseVerilog file verilogSrc of
Left l -> print l
Right v -> do
writeFile "main.v" . T.unpack $ V.genSource (V.SourceInfo t v)
vreduced <- V.runReduce (V.SourceInfo t v)
writeFile "reduced.v" . T.unpack $ V.genSource vreduced
where file = T.unpack $ S.toTextIgnore f
handleOpts (Config c) = maybe
(T.putStrLn . V.encodeConfig $ V.defaultConfig)
(`V.encodeConfigFile` V.defaultConfig)
c
main :: IO ()
main = do
optsparsed <- execParser opts
handleOpts optsparsed
|
