#/usr/bin/env bash
set -e
if [ ! -d 'gem5' ]; then
    git clone https://gem5.googlesource.com/public/gem5
fi
cd gem5
git checkout da79d6c6cde0fbe5473ce868c9be4771160a003b
# Compilation fails with gcc 7 on that commit.
# There were some recent portability patches, so it will likely get there soon.
CC=gcc-6 CXX=g++-6 scons -j"$(nproc)" --ignore-style build/ARM/gem5.opt
make -C system/arm/dt
make -C system/arm/simple_bootloader
make -C system/arm/aarch64_bootloader/
# TODO use local paths. The search path can be changed with M5_PATH="$(pwd)",
# but the annoying "binaries/" is added in front of it.
mkdir -p ../gem5-system/binaries
cp ./system/arm/simple_bootloader/boot_emm.arm ../gem5-system/binaries
cp ./system/arm/aarch64_bootloader/boot_emm.arm64 ../gem5-system/binaries