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module Main where
import Control.Concurrent
import Control.Lens
import qualified Crypto.Random.DRBG as C
import Data.ByteString (ByteString)
import qualified Data.Graph.Inductive as G
import Data.Text (Text)
import qualified Data.Text as T
import Numeric (showHex)
import Prelude hiding (FilePath)
import Shelly
import qualified Test.QuickCheck as QC
import VeriFuzz
myForkIO :: IO () -> IO (MVar ())
myForkIO io = do
mvar <- newEmptyMVar
_ <- forkFinally io (\_ -> putMVar mvar ())
return mvar
genRand :: C.CtrDRBG -> Int -> [ByteString] -> [ByteString]
genRand gen n bytes | n == 0 = ranBytes : bytes
| otherwise = genRand newGen (n - 1) $ ranBytes : bytes
where Right (ranBytes, newGen) = C.genBytes 32 gen
genRandom :: Int -> IO [ByteString]
genRandom n = do
gen <- C.newGenIO :: IO C.CtrDRBG
return $ genRand gen n []
runSimulation :: IO ()
runSimulation = do
gr <- QC.generate $ rDups <$> QC.resize 100 (randomDAG :: QC.Gen (G.Gr Gate ()))
-- let dot = G.showDot . G.fglToDotString $ G.nemap show (const "") gr
-- writeFile "file.dot" dot
-- shelly $ run_ "dot" ["-Tpng", "-o", "file.png", "file.dot"]
let circ =
head $ (nestUpTo 30 . generateAST $ Circuit gr) ^.. getVerilogSrc . traverse . getDescription
rand <- genRandom 20
val <- shelly $ runSim defaultIcarus (initMod circ) rand
putStrLn $ showHex (abs val) ""
onFailure :: Text -> RunFailed -> Sh ()
onFailure t _ = do
echoP "FAIL"
cd ".."
cp_r (fromText t) $ fromText (t <> "_failed")
runEquivalence :: Text -> Int -> IO ()
runEquivalence t i = do
gr <- QC.generate $ rDups <$> QC.resize 100 (randomDAG :: QC.Gen (G.Gr Gate ()))
let circ =
initMod
. head
$ (nestUpTo 5 . generateAST $ Circuit gr)
^.. getVerilogSrc
. traverse
. getDescription
shellyFailDir $ do
mkdir_p (fromText "equiv" </> fromText n)
curr <- toTextIgnore <$> pwd
setenv "VERIFUZZ_ROOT" curr
cd (fromText "equiv" </> fromText n)
catch_sh (runEquiv defaultYosys defaultYosys (Just defaultXst) circ >> echoP "OK") $ onFailure n
cd ".."
when (i < 5) (runEquivalence t $ i+1)
where
n = t <> "_" <> T.pack (show i)
main :: IO ()
--main = sample (arbitrary :: Gen (Circuit Input))
main = do
num <- getNumCapabilities
vars <- sequence $ (\x -> myForkIO $
runEquivalence ("test_" <> T.pack (show x)) 0) <$> [1..num]
sequence_ $ takeMVar <$> vars
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