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|
#!/usr/bin/env sh
set -e
cd "$(dirname "$0")"
mode="${1}"
no_ask="${2}"
network="rtl8139"
qemu_with_flags() {
if [ "${mode}" = "image" ] || [ "${mode}" = "image_debug" ]; then
# TODO: Find out why kvm install is incredibly slow
SDL_VIDEO_X11_DGAMOUSE=0 qemu-system-i386 -no-reboot -vga std -smp "$(nproc)" -serial mon:stdio -rtc base=localtime -m 256M -net nic,model=${network},macaddr=42:42:42:42:42:42 -net user "$@"
else
SDL_VIDEO_X11_DGAMOUSE=0 qemu-system-i386 -no-reboot -vga std -serial stdio -rtc base=localtime -m 256M -net nic,model=${network},macaddr=42:42:42:42:42:42 -net user "$@"
fi
}
make_genext2fs() {
if [ "$(genext2fs -V | awk '{print $2}')" = "1.4.2" ]; then
echo "genext2fs is already the newest version"
else
if [ "$no_ask" != "-y" ]; then
printf "Melvix requires the newest genext2fs version, would you like to install it? [y/n] "
read -r answer
fi
if [ "$answer" != "${answer#[Yy]}" ] || [ "$no_ask" = "-y" ]; then
echo "Building genext2fs..."
git clone --quiet https://github.com/bestouff/genext2fs.git >/dev/null
cd genext2fs >/dev/null
git checkout --quiet 000e369 >/dev/null
mv README.md README >/dev/null
touch ChangeLog >/dev/null
bash autogen.sh >/dev/null
./configure >/dev/null
sudo make install >/dev/null
cd .. >/dev/null
rm -rf genext2fs >/dev/null
echo "Success!"
else
echo "This probably won't compile..."
fi
fi
}
make_cross() {
if [ ! -d "./cross/" ]; then
# Create directory
mkdir -p cross
cd cross
DIR=$(pwd)
# Get sources
mkdir "${DIR}/src" && cd "${DIR}/src"
echo "Downloading..."
curl -sSL "https://ftp.gnu.org/gnu/binutils/binutils-2.34.tar.xz" | tar xJ
curl -sSL "https://ftp.gnu.org/gnu/gcc/gcc-9.3.0/gcc-9.3.0.tar.xz" | tar xJ
# Prepare compiling
mkdir -p "${DIR}/opt/bin"
export PREFIX="${DIR}/opt"
export TARGET=i686-elf
export PATH="$PREFIX/bin:$PATH"
# Compile binutils
mkdir "${DIR}/src/build-binutils" && cd "${DIR}/src/build-binutils"
../binutils-2.34/configure --target="$TARGET" --prefix="$PREFIX" --with-sysroot --disable-nls --disable-werror
make
make install
# Compile GCC
mkdir "${DIR}/src/build-gcc" && cd "${DIR}/src/build-gcc"
../gcc-9.3.0/configure --target="$TARGET" --prefix="$PREFIX" --disable-nls --enable-languages=c,c++ --without-headers
make all-gcc
make all-target-libgcc
make install-gcc
make install-target-libgcc
cd "${DIR}/.."
else
cd cross
DIR=$(pwd)
export PREFIX="${DIR}/opt"
export TARGET=i686-elf
export PATH="$PREFIX/bin:$PATH"
cd ..
fi
}
make_build() {
rm -rf ./disk/bin/ ./disk/
mkdir -p build/ disk/bin/ disk/
echo "Building..."
cd build/
cmake .. >/dev/null
make
cd ..
# Copy files
nasm src/entry.asm -f bin -o disk/boot.bin
cp build/melvix.bin disk/
# Create disk image
make_genext2fs
/usr/local/bin/genext2fs -B 1024 -d disk/ -U -N 1024 -b 65536 build/disk.img
dd if=disk/boot.bin of=build/disk.img conv=notrunc
printf "Build finshed successfully!\n\n"
}
make_test() {
qemu_with_flags -hdb build/disk.img
}
make_debug() {
qemu_with_flags -display none -hdb build/disk.img -s -S &
gdb "$(pwd)"/build/melvix.bin -ex 'target remote localhost:1234'
killall qemu-system-i386
}
make_disasm() {
objdump -drwC -Mintel build/kernel.bin --visualize-jumps=color | less -R
}
make_sync() {
rm tags compile_commands.json
ctags -R --exclude=.git --exclude=build --exclude=iso --exclude=cross .
mkdir -p build
cd build
cmake .. >/dev/null
mv compile_commands.json ..
cd ..
}
make_tidy() {
shfmt -w ./run
find ./src -type f -regex '.*\.\(c\|h\)' -exec clang-format -i {} \;
# This may or may not work
find ./src -type f -print0 | xargs -0 -l -i sh -c '[ -n "$(tail -c1 {})" ] && printf "\n" >> {}'
}
make_clean() {
rm -rf ./disk/bin/ ./disk/boot/ ./build/
}
if [ "${mode}" = "cross" ]; then
make_cross
elif [ "${mode}" = "build" ]; then
make_cross
make_clean
make_build
elif [ "${mode}" = "clean" ]; then
make_clean
elif [ "${mode}" = "test" ]; then
make_cross
make_build
make_sync &
make_test
elif [ "${mode}" = "debug" ]; then
make_cross
make_build
make_sync &
make_debug
elif [ "${mode}" = "again" ]; then
make_test
elif [ "${mode}" = "disasm" ]; then
make_cross
make_build
make_disasm
elif [ "${mode}" = "sync" ]; then
make_sync
elif [ "${mode}" = "tidy" ]; then
make_tidy
elif [ "${mode}" = "" ]; then # TODO: Prevent code duplication in build script via functions?
make_cross
make_build
make_sync &
make_test
else
echo "Please use the following syntax:"
echo "./run {cross | build | clean | test | disasm | sync | tidy} [-y]"
echo "The default option is 'test'"
fi
|
