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|
#!/usr/bin/env sh
mode="${1}"
network="rtl8139"
qemu_with_flags() {
qemu-system-i386 -no-reboot -vga std -smp "$(nproc)" -serial stdio -rtc base=localtime -m 256M -net nic,model=${network},macaddr=42:42:42:42:42:42 -net user "$@"
}
compile_with_flags() {
if [ "${mode}" = "image" ]; then
i686-elf-gcc -std=gnu99 -ffreestanding -O3 -nostdlib -Wall -Wextra -Wno-unused-parameter -D INSTALL_MELVIX "$@"
else
i686-elf-gcc -std=gnu99 -ffreestanding -O3 -nostdlib -Wall -Wextra -Wno-unused-parameter "$@"
fi
}
make_cross() {
if [ ! -d "./cross/" ]; then
# Create directory
mkdir -p cross
cd cross || exit
DIR=$(pwd)
# Get sources
mkdir "${DIR}/src" && cd "${DIR}/src" || exit
echo "Downloading..."
curl -sSL "https://ftp.gnu.org/gnu/binutils/binutils-2.32.tar.xz" | tar xJ
curl -sSL "https://ftp.gnu.org/gnu/gcc/gcc-9.2.0/gcc-9.2.0.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" || exit
../binutils-2.32/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" || exit
../gcc-9.2.0/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 "${DIR}/.." || exit
else
# Should be sourced to take effect
cd cross || exit
DIR=$(pwd)
export PREFIX="${DIR}/opt"
export TARGET=i686-elf
export PATH="$PREFIX/bin:$PATH"
cd ..
fi
}
make_build() {
echo "Building..."
mkdir -p ./build/kernel && mkdir -p ./build/userspace
# Assemble ASM files
find ./src/kernel/ -name \*.asm >./build/tmp
while read -r line; do
stripped=$(echo "${line}" | sed -r 's/\//_/g')
stripped=${stripped#??????}
stripped=${stripped%%???}o
nasm -f elf ./"${line}" -o ./build/kernel/asm_"${stripped}" || exit
done <./build/tmp
rm ./build/tmp
# Make all kernel C files
find ./src/kernel/ -name \*.c >./build/tmp
while read -r line; do
stripped=$(echo "${line}" | sed -r 's/\//_/g')
stripped=${stripped#??????}
stripped=${stripped%%?}o
compile_with_flags -c ./"${line}" -I ./src -D ${network} -o ./build/kernel/"${stripped}" || exit
done <./build/tmp
rm ./build/tmp
# Link kernel ASM and C objects
compile_with_flags ./build/kernel/*.o -T ./src/kernel/linker.ld -I ./src -o ./build/melvix.bin || exit
# Modules
compile_with_flags -c ./src/resources/font.c -I ./src -o ./build/font.o
i686-elf-objcopy -O binary ./build/font.o ./build/font.bin
rm ./build/font.o
# Userspace
nasm -f elf ./src/userspace/start.asm -o ./build/userspace/start.o || exit
find ./src/userspace/ -name \*.c >./build/tmp
while read -r line; do
stripped=$(echo "${line}" | sed -r 's/\//_/g')
stripped=${stripped#??????}
stripped=${stripped%%?}o
compile_with_flags -c ./"${line}" -I ./src/userspace -o ./build/userspace/"${stripped}" || exit
done <./build/tmp
rm ./build/tmp
compile_with_flags ./build/userspace/*.o -I ./src/userspace -o ./build/user.o || exit
i686-elf-objcopy -O binary ./build/user.o ./build/user.bin
# Create ISO
mkdir -p ./iso/boot/
mv ./build/melvix.bin ./iso/boot/kernel.bin
nasm ./src/bootloader/cd.asm -f bin -o ./iso/boot/cd.bin || exit
nasm ./src/bootloader/hdd1.asm -f bin -o ./iso/boot/hdd1.bin || exit
nasm ./src/bootloader/hdd2.asm -f bin -o ./iso/boot/hdd2.bin || exit
cp ./build/user.bin ./iso/user.bin || exit
cp ./build/font.bin ./iso/font.bin || exit
genisoimage -quiet -input-charset utf-8 -no-emul-boot -b boot/cd.bin -o ./build/melvix.iso ./iso
head -c 10485760 /dev/zero >./build/hdd10M.img
printf "Build finshed successfully!\n\n"
}
make_test() {
qemu_with_flags -cdrom ./build/melvix.iso -drive file=./build/hdd10M.img,format=raw
}
make_debug() {
qemu_with_flags -s -cdrom ./build/melvix.iso -drive file=./build/hdd10M.img,format=raw
}
make_image() {
qemu_with_flags -cdrom ./build/melvix.iso -drive file=./build/hdd10M.img,format=raw
qemu_with_flags -drive file=./build/hdd10M.img,format=raw
}
make_clean() {
rm -rf ./build ./iso
}
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_clean
make_build
make_test
elif [ "${mode}" = "debug" ]; then
make_debug
elif [ "${mode}" = "image" ]; then
make_cross
make_clean
make_build
make_image
else
echo "Please use the following syntax:"
echo "./run {cross | build | clean | test | debug | image}"
fi
|
