ci: migrate from Travis CI to Github Actions.

.github/workflows/ci.yml

@@ -0,0 +1,43 @@
+name: ci
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: ubuntu-18.04
+    steps:
+      # Checkout Repository
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      # Install Tools
+      - name: Install Tools
+        run: |
+          sudo apt-get install wget build-essential python3
+          pip3 install setuptools
+          pip3 install requests
+
+      # Install (n)Migen / LiteX / Cores
+      - name: Install LiteX
+        run: |
+          wget https://raw.githubusercontent.com/enjoy-digital/litex/master/litex_setup.py
+          python3 litex_setup.py init install --user
+
+      # Install RISC-V GCC
+      - name: Install RISC-V GCC
+        run: |
+          wget https://raw.githubusercontent.com/enjoy-digital/litex/master/litex_setup.py
+          python3 litex_setup.py gcc
+          ls $PWD/../riscv64-*/bin/
+          export PATH=$PATH:$(echo $PWD/../riscv64-*/bin/)
+          riscv64-unknown-elf-gcc --version
+
+      # Install Project
+      - name: Install Project
+        run: python3 setup.py develop --user
+
+      # Test
+      - name: Run Tests
+        run: |
+          export GITHUB_ACTIONS=1
+          python3 setup.py test

.travis.yml

@@ -1,49 +0,0 @@
-jobs:
-  include:
-    - os: linux
-      dist: xenial
-      language: python
-      python: "3.6"
-    - os: linux
-      dist: xenial
-      language: python
-      python: "3.7"
-    - os: linux
-      dist: xenial
-      language: python
-      python: "3.8"
-    - os: osx
-      osx_image: xcode10.2 # Includes Python 3.7
-      language: shell
-    - os: windows
-      language: shell
-      before_install:
-        - choco info python3
-        - choco install python3
-        - export PATH=/c/Python38/:$PATH
-        - cp -a /c/Python38/python.exe /c/Python38/python3.exe
-  allow_failures:
-    - os: windows
-      language: shell
-
-install:
-  # Get Migen / LiteX / Cores
-  - cd ~/
-  - pip3 install requests
-  - cp $TRAVIS_BUILD_DIR/litex_setup.py .
-  - python3 litex_setup.py init install
-  # Install the LiteX version being tested
-  - cd $TRAVIS_BUILD_DIR
-  - python3 setup.py install
-
-before_script:
-  # Get RISC-V toolchain
-  - cd ~/
-  - python3 litex_setup.py gcc
-  - ls $PWD/riscv64-*/bin/
-  - export PATH=$PATH:$(echo $PWD/riscv64-*/bin/)
-  - riscv64-unknown-elf-gcc --version
-
-script:
-  - cd $TRAVIS_BUILD_DIR
-  - python3 setup.py test

README.md

@@ -3,7 +3,7 @@
 ```
                           Copyright 2012-2020 / Enjoy-Digital
 ```
-[![](https://travis-ci.com/enjoy-digital/litex.svg?branch=master)](https://travis-ci.com/enjoy-digital/litex)
+[![](https://github.com/enjoy-digital/litex/workflows/ci/badge.svg)](https://github.com/enjoy-digital/litex/actions)
 ![License](https://img.shields.io/badge/License-BSD%202--Clause-orange.svg)
 
 > **Note:** In release 2020.04, LiteX switched to Python modules instead of Git submodules. Existing users will have to reinstall LiteX following the [installation guide](https://github.com/enjoy-digital/litex/wiki/Installation#litex-installation-guide).

test/test_targets.py

@@ -14,7 +14,7 @@ from migen import *
 from litex.soc.integration.builder import *
 
 
-RUNNING_ON_TRAVIS = (os.getenv('TRAVIS', 'false').lower() == 'true')
+RUNNING_ON_GITHUB_ACTIONS = (os.getenv("GITHUB_ACTIONS", None) is not None)
 
 
 def build_test(socs):
@@ -175,7 +175,7 @@ litex/boards/targets/simple.py litex.boards.platforms.arty \
     def test_variants_vexriscv(self):
         self.run_variants("vexriscv", ('standard', 'minimal', 'lite', 'lite+debug', 'full+debug'))
 
-    @unittest.skipIf(RUNNING_ON_TRAVIS, "No nMigen/Yosys on Travis-CI")
+    @unittest.skipIf(RUNNING_ON_GITHUB_ACTIONS, "No nMigen/Yosys on Travis-CI")
     def test_variants_minerva(self):
         self.run_variants("minerva", ('standard',))
 
@@ -186,10 +186,10 @@ litex/boards/targets/simple.py litex.boards.platforms.arty \
         for cpu, variants in cpu_variants.items():
             self.run_variants(cpu, variants)
 
-    @unittest.skipIf(RUNNING_ON_TRAVIS, "No lm32 toolchain on Travis-CI")
+    @unittest.skipIf(RUNNING_ON_GITHUB_ACTIONS, "No lm32 toolchain on Travis-CI")
     def test_variants_lm32(self):
         self.run_variants('lm32', ('standard', 'minimal', 'lite'))
 
-    @unittest.skipIf(RUNNING_ON_TRAVIS, "No or1k toolchain on Travis-CI")
+    @unittest.skipIf(RUNNING_ON_GITHUB_ACTIONS, "No or1k toolchain on Travis-CI")
     def test_variants_mor1kx(self):
         self.run_variants('mor1kx', ('standard', 'linux'))