.github/workflows/doc.yml

@@ -19,8 +19,6 @@ jobs:
       - uses: actions/checkout@v3
         with:
           submodules: true
-      - if: ${{ env.ACT }}
-        run: sudo apt-get update
       - run: sudo apt-get install -y asciidoctor
       - id: config
         uses: actions/configure-pages@v2

.github/workflows/rtl.yml

@@ -1,38 +0,0 @@
-name: Run test suite
-
-on:
-  push
-
-jobs:
-  build:
-    runs-on: ubuntu-24.04
-    steps:
-      - uses: actions/checkout@v3
-        with:
-          submodules: recursive
-      - name: Install dependencies missing in act
-        if: ${{ env.ACT }}
-        run: |
-          sudo apt-get update
-          sudo apt-get install -y python3-dev
-      - name: Get pip cache dir
-        id: pip-cache
-        run: |
-          echo "dir=$(pip cache dir)" >> $GITHUB_OUTPUT
-      - name: Cache pip dependencies
-        uses: actions/cache@v3
-        with:
-          path: ${{ steps.pip-cache.outputs.dir }}
-          key: ${{ runner.os }}-pip-${{ hashFiles('requirements.txt') }}
-          restore-keys: |
-            ${{ runner.os }}-pip-
-      - name: Install dependencies
-        run: |
-          echo "$HOME/.local/bin" >> $GITHUB_PATH
-          sudo apt-get install -y fpga-icestorm iverilog nextpnr-ice40 yosys-dev
-          python3 -m venv venv
-          venv/bin/pip install -r requirements.txt
-      - name: Run tests
-        run: |
-          source venv/bin/activate
-          make -k test

requirements.txt

@@ -1,3 +0,0 @@
-asyncstdlib==3.12.2
-cocotb @ git+https://git@github.com/Forty-Bot/cocotb.git@8810af1a66c461217dc00d0aa47043b8ea130f65
-find_libpython==0.3.0

tb/util.py

@@ -2,7 +2,6 @@
 # Copyright (C) 2022 Sean Anderson <seanga2@gmail.com>
 
 import functools
-import itertools
 import random
 
 import cocotb
@@ -80,20 +79,28 @@ class ReverseList(list):
         return super().__reversed__()
 
 def one_valid():
-    return itertools.repeat(1)
+    return 1
 
 def two_valid():
-    return itertools.repeat(2)
+    return 2
 
 def rand_valid():
-    while True:
+    return random.randrange(3)
-        yield random.randrange(3)
 
-def saw_valid():
+class saw_valid:
-    return itertools.cycle(range(3))
+    def __init__(self):
+        self.last = 0
+        # Lie for TestFactory
+        self.__qualname__ = self.__class__.__qualname__
+
+    def __call__(self):
+        self.last += 1
+        if self.last > 2:
+            self.last = 0
+        return self.last
 
 def with_valids(g, f):
-    for valids in (one_valid, two_valid, rand_valid, saw_valid):
+    for valids in (one_valid, two_valid, rand_valid, saw_valid()):
         async def test(*args, valids=valids, **kwargs):
             await f(*args, valids=valids, **kwargs)
         test.__name__ = f"{f.__name__}_{valids.__qualname__}"
@@ -105,7 +112,8 @@ async def send_recovered_bits(clk, data, valid, bits, valids):
     bits = iter(bits)
     await FallingEdge(clk)
     try:
-        for v in valids():
+        while True:
+            v = valids()
             if v == 0:
                 d = 'XX'
             elif v == 1: