Squashed 'clash-vexriscv/' changes from 390818c9..0ac4a4f7

0ac4a4f7 Merge pull request #36 from clash-lang/lucas/add-Jtag-Idle
31e1b754 Add `IdleCircuit` for `Jtag`
dab50530 Bump `clash-protocols` dependency

git-subtree-dir: clash-vexriscv
git-subtree-split: 0ac4a4f754055ea8d9f61471843ce0c83b0cbddd

bittide/bittide.cabal

@@ -100,6 +100,7 @@ library
     clash-lib >=1.6.3 && <1.10,
     clash-prelude >=1.6.3 && <1.10,
     clash-protocols,
+    clash-protocols-base,
     clash-vexriscv,
     constraints >=0.13.3 && <0.15,
     containers >=0.4.0 && <0.7,

cabal.project

@@ -174,7 +174,14 @@ source-repository-package
 source-repository-package
   type: git
   location: https://github.com/clash-lang/clash-protocols.git
-  tag: 623ecd9658fa5b15f71b0d86bac6b714b4b86dc4
+  tag: 0832a422e77422739401896f6612620d17baa289
+  subdir: clash-protocols
+
+source-repository-package
+  type: git
+  location: https://github.com/clash-lang/clash-protocols.git
+  tag: 0832a422e77422739401896f6612620d17baa289
+  subdir: clash-protocols-base
 
 source-repository-package
   type: git

cabal.project.freeze

@@ -73,6 +73,8 @@ constraints: any.Cabal ==3.10.3.0,
              any.clash-prelude-hedgehog ==1.9.0,
              any.clash-protocols ==0.1,
              clash-protocols -ci -large-tuples,
+             any.clash-protocols-base ==0.1,
+             clash-protocols-base -ci -large-tuples,
              any.clock ==0.8.4,
              clock -llvm,
              any.cmdargs ==0.10.22,

clash-vexriscv/clash-vexriscv/src/VexRiscv.hs

@@ -27,6 +27,7 @@ import GHC.IO (unsafePerformIO, unsafeInterleaveIO)
 import GHC.Stack (HasCallStack)
 import Language.Haskell.TH.Syntax
 import Protocols
+import Protocols.Idle
 import Protocols.Wishbone
 
 import VexRiscv.ClockTicks
@@ -72,6 +73,10 @@ instance Protocol (Jtag dom) where
   type Fwd (Jtag dom) = Signal dom JtagIn
   type Bwd (Jtag dom) = Signal dom JtagOut
 
+instance IdleCircuit (Jtag dom) where
+  idleFwd _ = pure $ JtagIn 0 0 0
+  idleBwd _ = pure $ JtagOut 0 0
+
 vexRiscv ::
   forall dom .
   ( HasCallStack