Add cross-compilation for TS provider

The TS provider is currently excluded from the cross-compilation tests.
However, `libts` can be cross-compiled for aarch64-linux-gnu targets.
The `trusted-service-provider` feature is added here to
cross-compilation for the appropriate target only.

Signed-off-by: Ionut Mihalcea <[email protected]>

Author: ionut-arm

e2e_tests/docker_image/parsec-service-test-cross-compile.Dockerfile

@@ -2,6 +2,26 @@
 # SPDX-License-Identifier: Apache-2.0
 FROM ghcr.io/parallaxsecond/parsec-service-test-all
 
+# Install aarch64-none-linux-gnu cross compilation toolchain
+RUN wget https://developer.arm.com/-/media/Files/downloads/gnu-a/9.2-2019.12/binrel/gcc-arm-9.2-2019.12-x86_64-aarch64-none-linux-gnu.tar.xz?revision=61c3be5d-5175-4db6-9030-b565aae9f766 -O aarch64-gcc.tar.xz
+RUN tar --strip-components=1 -C /usr/ -xvf aarch64-gcc.tar.xz
+RUN rm aarch64-gcc.tar.xz
+
+# Install Trusted Services lib compiled for aarch64
+# Setup git config for patching dependencies
+RUN git config --global user.email "[email protected]"
+RUN git config --global user.name "Parsec Team"
+RUN git clone https://git.trustedfirmware.org/TS/trusted-services.git --branch integration \
+    && cd trusted-services \
+    && git reset --hard 389b50624f25dae860bbbf8b16f75b32f1589c8d
+# Install correct python dependencies
+RUN pip3 install -r trusted-services/requirements.txt
+RUN cd trusted-services/deployments/libts/arm-linux/ \
+    && cmake . \
+    && make \
+    && cp libts.so* /usr/local/lib/
+RUN rm -rf trusted-services
+
 # Install cross-compilers
 RUN apt install -y gcc-multilib
 RUN apt install -y gcc-arm-linux-gnueabihf

test/cross-compile.sh

@@ -22,7 +22,9 @@ cargo build --features "pkcs11-provider, mbed-crypto-provider, tpm-provider, uni
 
 export SYSROOT=/tmp/aarch64-linux-gnu
 export RUSTFLAGS="-lcrypto -L/tmp/aarch64-linux-gnu/lib"
-cargo build --features "pkcs11-provider, mbed-crypto-provider, tpm-provider, unix-peer-credentials-authenticator, direct-authenticator" --target aarch64-unknown-linux-gnu
+# Pull in the TS code
+git submodule update --init
+cargo build --features "pkcs11-provider, mbed-crypto-provider, tpm-provider, trusted-service-provider, unix-peer-credentials-authenticator, direct-authenticator" --target aarch64-unknown-linux-gnu
 
 # This is needed because for some reason the i686/i386 libs aren't picked up if we don't toss them around just before...
 apt install -y libc6-dev-i386-amd64-cross