diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..19f6365
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,74 @@
+on:
+  push:
+    branches: [master]
+  pull_request:
+    branches: [master]
+
+name: Continuous integration
+
+jobs:
+   test :
+    name: Test Suite
+    strategy:
+      matrix:
+        target:
+          # Linux
+          - x86_64-unknown-linux-gnu
+          - aarch64-unknown-linux-gnu
+          - armv7-unknown-linux-gnueabihf
+          - i686-unknown-linux-gnu
+          - mips-unknown-linux-gnu
+          - mips64-unknown-linux-gnuabi64
+          - mips64el-unknown-linux-gnuabi64
+          - mipsel-unknown-linux-gnu
+          - powerpc-unknown-linux-gnu
+          - powerpc64-unknown-linux-gnu
+          - powerpc64le-unknown-linux-gnu
+
+          # *BSD
+          - x86_64-unknown-freebsd
+        os:
+          - ubuntu-latest
+
+        include:
+          # macOS
+          - target: x86_64-apple-darwin
+            os: macOS-latest
+
+    runs-on: ${{ matrix.os }}
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: nightly
+          target: ${{ matrix.target }}
+          override: true
+
+      # omit tests on BSD
+      - uses: actions-rs/cargo@v1
+        if: matrix.target == 'x86_64-unknown-freebsd'
+        with:
+          use-cross: true
+          command: check
+          args: --target ${{ matrix.target }}
+
+      - uses: actions-rs/cargo@v1
+        if: matrix.target != 'x86_64-unknown-freebsd'
+        with:
+          use-cross: true
+          command: test
+          args: --target ${{ matrix.target }}
+      - uses: actions-rs/cargo@v1
+        if: matrix.target != 'x86_64-unknown-freebsd'
+        with:
+          use-cross: true
+          command: run
+          args: --target ${{ matrix.target }} --release --example hello
+      - uses: actions-rs/cargo@v1
+        if: matrix.target != 'x86_64-unknown-freebsd'
+        with:
+          use-cross: true
+          command: test
+          args: --target ${{ matrix.target }} --release
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 96cef03..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,60 +0,0 @@
-dist: trusty
-language: rust
-services: docker
-sudo: required
-
-rust: nightly
-
-env: TARGET=x86_64-unknown-linux-gnu
-matrix:
-  include:
-    # Linux
-    - env: TARGET=i686-unknown-linux-gnu
-    # - env: TARGET=x86_64-unknown-linux-gnu  # this is the default job
-
-    # OSX
-    # - env: TARGET=i686-apple-darwin
-    # os: osx
-    - env: TARGET=x86_64-apple-darwin
-      os: osx
-
-    # *BSD
-    # - env: TARGET=i686-unknown-freebsd DISABLE_TESTS=1
-    - env: TARGET=x86_64-unknown-freebsd DISABLE_TESTS=1
-    # - env: TARGET=x86_64-unknown-netbsd DISABLE_TESTS=1
-
-    # Other architectures
-    - env: TARGET=aarch64-unknown-linux-gnu
-    - env: TARGET=armv7-unknown-linux-gnueabihf
-    - env: TARGET=mips-unknown-linux-gnu
-    - env: TARGET=mips64-unknown-linux-gnuabi64
-    - env: TARGET=mips64el-unknown-linux-gnuabi64
-    - env: TARGET=mipsel-unknown-linux-gnu
-    - env: TARGET=powerpc-unknown-linux-gnu
-    - env: TARGET=powerpc64-unknown-linux-gnu
-    - env: TARGET=powerpc64le-unknown-linux-gnu
-    # - env: TARGET=s390x-unknown-linux-gnu DISABLE_TESTS=1
-
-before_install: set -e
-
-install:
-  - sh ci/install.sh
-  - source ~/.cargo/env || true
-
-script:
-  - bash ci/script.sh
-
-after_script: set +e
-
-cache: cargo
-before_cache:
-  - chmod -R a+r $HOME/.cargo
-
-branches:
-  only:
-    - auto
-    - try
-
-notifications:
-  email:
-    on_success: never
diff --git a/Cross.toml b/Cross.toml
new file mode 100644
index 0000000..1ef4dbe
--- /dev/null
+++ b/Cross.toml
@@ -0,0 +1,2 @@
+[target.powerpc64-unknown-linux-gnu]
+image = 'rustembedded/cross:powerpc64-unknown-linux-gnu-0.2.0'
diff --git a/ci/install.sh b/ci/install.sh
deleted file mode 100644
index 0b7fe27..0000000
--- a/ci/install.sh
+++ /dev/null
@@ -1,22 +0,0 @@
-set -ex
-
-main() {
-    curl https://sh.rustup.rs -sSf | \
-        sh -s -- -y --default-toolchain $TRAVIS_RUST_VERSION
-
-    local target=
-    if [ $TRAVIS_OS_NAME = linux ]; then
-        target=x86_64-unknown-linux-gnu
-    else
-        target=x86_64-apple-darwin
-    fi
-
-    curl -LSfs https://japaric.github.io/trust/install.sh | \
-        sh -s -- \
-           --force \
-           --git japaric/cross \
-           --tag v0.1.4 \
-           --target $target
-}
-
-main
diff --git a/ci/script.sh b/ci/script.sh
deleted file mode 100644
index dbdeeb4..0000000
--- a/ci/script.sh
+++ /dev/null
@@ -1,20 +0,0 @@
-set -ex
-
-main() {
-    cross build --target $TARGET
-    cross build --target $TARGET --release
-
-    if [ ! -z $DISABLE_TESTS ]; then
-        return
-    fi
-
-    cross test --target $TARGET
-    cross test --target $TARGET --release
-
-    cross run --target $TARGET --example hello
-    cross run --target $TARGET --release --example hello
-}
-
-if [ -z $TRAVIS_TAG ]; then
-    main
-fi
diff --git a/src/platform/linux-armeabi/mod.rs b/src/platform/linux-armeabi/mod.rs
index 7ea3f6b..ad7af26 100644
--- a/src/platform/linux-armeabi/mod.rs
+++ b/src/platform/linux-armeabi/mod.rs
@@ -14,7 +14,7 @@ pub mod nr;
 #[inline(always)]
 pub unsafe fn syscall0(n: usize) -> usize {
     let ret: usize;
-    llvm_asm!("swi $$0"
+    llvm_asm!("swi 0"
          : "={r0}"(ret)
          : "{r7}"(n)
          : "memory" "cc"
@@ -25,7 +25,7 @@ pub unsafe fn syscall0(n: usize) -> usize {
 #[inline(always)]
 pub unsafe fn syscall1(n: usize, a1: usize) -> usize {
     let ret: usize;
-    llvm_asm!("swi $$0"
+    llvm_asm!("swi 0"
          : "={r0}"(ret)
          : "{r7}"(n) "{r0}"(a1)
          : "memory" "cc"
@@ -36,7 +36,7 @@ pub unsafe fn syscall1(n: usize, a1: usize) -> usize {
 #[inline(always)]
 pub unsafe fn syscall2(n: usize, a1: usize, a2: usize) -> usize {
     let ret: usize;
-    llvm_asm!("swi $$0"
+    llvm_asm!("swi 0"
          : "={r0}"(ret)
          : "{r7}"(n) "{r0}"(a1) "{r1}"(a2)
          : "memory" "cc"
@@ -47,7 +47,7 @@ pub unsafe fn syscall2(n: usize, a1: usize, a2: usize) -> usize {
 #[inline(always)]
 pub unsafe fn syscall3(n: usize, a1: usize, a2: usize, a3: usize) -> usize {
     let ret: usize;
-    llvm_asm!("swi $$0"
+    llvm_asm!("swi 0"
          : "={r0}"(ret)
          : "{r7}"(n) "{r0}"(a1) "{r1}"(a2) "{r2}"(a3)
          : "memory" "cc"
@@ -63,7 +63,7 @@ pub unsafe fn syscall4(n: usize,
                        a4: usize)
                        -> usize {
     let ret: usize;
-    llvm_asm!("swi $$0"
+    llvm_asm!("swi 0"
          : "={r0}"(ret)
          : "{r7}"(n) "{r0}"(a1) "{r1}"(a2) "{r2}"(a3) "{r3}"(a4)
          : "memory" "cc"
@@ -80,7 +80,7 @@ pub unsafe fn syscall5(n: usize,
                        a5: usize)
                        -> usize {
     let ret: usize;
-    llvm_asm!("swi $$0" : "={r0}"(ret)
+    llvm_asm!("swi 0" : "={r0}"(ret)
          : "{r7}"(n) "{r0}"(a1) "{r1}"(a2) "{r2}"(a3) "{r3}"(a4) "{r4}"(a5)
          : "memory" "cc"
          : "volatile");
@@ -97,7 +97,7 @@ pub unsafe fn syscall6(n: usize,
                        a6: usize)
                        -> usize {
     let ret: usize;
-    llvm_asm!("swi $$0"
+    llvm_asm!("swi 0"
          : "={r0}"(ret)
          : "{r7}"(n) "{r0}"(a1) "{r1}"(a2) "{r2}"(a3) "{r3}"(a4) "{r4}"(a5)
            "{r5}"(a6)
@@ -117,7 +117,7 @@ pub unsafe fn syscall7(n: usize,
                        a7: usize)
                        -> usize {
     let ret: usize;
-    llvm_asm!("swi $$0"
+    llvm_asm!("swi 0"
          : "={r0}"(ret)
          : "{r7}"(n) "{r0}"(a1) "{r1}"(a2) "{r2}"(a3) "{r3}"(a4) "{r4}"(a5)
            "{r5}"(a6) "{r6}"(a7)