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Makefile
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# Makefile for the x86 kernel
CC := ./toolchain/bin/i386-elf-gcc
LD := ./toolchain/bin/i386-elf-ld
AS := ./toolchain/bin/nasm
ARMCC := -nostdlib -nostartfiles -ffreestanding -std=c99 -lgcc
ARM := ./toolchain/bin/arm-none-eabi
# -Wall -Wextra
INCLUDE := src/include
CFLAGS := -v -msoft-float -nostdlib -nostdinc -fno-builtin -I$(INCLUDE) -Wextra -std=c99
# CFLAGS := -std=c99 -pedantic -Wall -Wextra -MMD -Werror -Wno-unused-parameter
# CFLAGS += -O3 -fomit-frame-pointer $(INCLUDE)
# CFLAGS += -mno-sse -mno-mmx -mno-sse2 -mno-sse3
# CFLAGS += -Isrc/include
# ASFLAGS := -felf32
all: make-all
make-all:
@ echo "Make all"
@ bash ./src/scripts/makeit
arm:
@ echo "Make ARM"
@ mkdir -p objs
$(ARM)-as src/arch/arm/boot/start.s -o objs/start-arm.o
$(ARM)-gcc -Isrc/include $(ARMCC) -c src/main.c -o objs/main-arm.o
$(ARM)-gcc -Isrc/include $(ARMCC) -c src/arch/arm/screen.c -o objs/screen-arm.o
$(ARM)-gcc -Isrc/include $(ARMCC) -c src/arch/arm/cpuid.c -o objs/cpuid.o
$(ARM)-gcc -Isrc/include $(ARMCC) -c src/screen/ctype.c -o objs/ctype-arm.o
$(ARM)-gcc -Isrc/include $(ARMCC) -c src/screen/printf.c -o objs/printf-arm.o
$(ARM)-gcc -Isrc/include $(ARMCC) -c src/screen/stdio.c -o objs/stdio-arm.o
$(ARM)-gcc -Isrc/include $(ARMCC) -c src/screen/stdlib.c -o objs/stdlib-arm.o
$(ARM)-gcc -Isrc/include $(ARMCC) -c src/screen/string.c -o objs/string-arm.o
$(ARM)-gcc -Isrc/include $(ARMCC) -c src/string/strlen.c -o objs/strlen-arm.o
$(ARM)-gcc -Isrc/include $(ARMCC) -c src/string/strcpy.c -o objs/strcpy-arm.o
$(ARM)-gcc -Isrc/include $(ARMCC) -c src/string/strcmp.c -o objs/strcmp-arm.o
$(ARM)-gcc -Isrc/include $(ARMCC) -c src/string/strcat.c -o objs/strcat-arm.o
$(ARM)-gcc -Isrc/include $(ARMCC) -c src/string/memset.c -o objs/memset-arm.o
$(ARM)-gcc -Isrc/include $(ARMCC) -c src/string/memcpy.c -o objs/memcpy-arm.o
$(ARM)-gcc -nostdlib -T src/linker-arm.ld -o kernel-arm objs/start-arm.o objs/screen-arm.o \
objs/ctype-arm.o objs/stdio-arm.o objs/stdlib-arm.o objs/string-arm.o objs/strlen-arm.o objs/strcpy-arm.o \
objs/strcmp-arm.o objs/strcat-arm.o objs/memset-arm.o objs/memcpy-arm.o objs/main-arm.o objs/cpuid.o -lgcc
run-arm:
@ qemu-system-arm -kernel kernel-arm -serial stdio -M none -cpu arm1176
run:
@ qemu-system-i386 -kernel kernel-i386
clean:
@ rm -rf objs
@ rm kernel-i386
clean-toolchain:
@ rm -rf toolchain
toolchain:
@ echo ""
@ echo "Starting automatic cross-toolchain build. This may take a while depending on"
@ echo "your Internet connection and processor speed."
@ echo ""
@ echo "The cross-toolchain will be completely contained within the toolchain/ directory. No"
@ echo "superuser access is required."
@ echo ""
@ mkdir -p toolchain
@ echo " WGET toolchain/binutils-2.24.tar.bz2"
@ wget -P toolchain http://ftp.gnu.org/gnu/binutils/binutils-2.27.tar.bz2
@ echo " WGET toolchain/gcc-6.2.0.tar.bz2"
@ wget -P toolchain http://ftp.gnu.org/gnu/gcc/gcc-6.2.0/gcc-6.2.0.tar.bz2
@ echo " WGET toolchain/nasm-2.12.02.tar.bz2"
@ wget -P toolchain http://www.nasm.us/pub/nasm/releasebuilds/2.12.02/nasm-2.12.02.tar.xz
@ echo " WGET toolchain/mpfr-3.1.4.tar.xz"
@ wget -P toolchain http://www.mpfr.org/mpfr-3.1.4/mpfr-3.1.4.tar.xz
@ echo " WGET toolchain/mpc-1.0.3.tag.gz"
@ wget -P toolchain http://www.multiprecision.org/mpc/download/mpc-1.0.3.tar.gz
@ echo " WGET toolchain/gmp-6.1.1.tar.xz"
@ wget -P toolchain http://ftp.gnu.org/gnu/gmp/gmp-6.1.1.tar.xz
@ echo " UNTAR toolchain/binutils-2.24.tar.bz2"
@ tar -xf toolchain/binutils-2.27.tar.bz2 -C toolchain
@ rm toolchain/binutils-2.27.tar.bz2
@ echo " UNTAR toolchain/gcc-6.2.0.tar.bz2"
@ tar -xf toolchain/gcc-6.2.0.tar.bz2 -C toolchain
@ rm toolchain/gcc-6.2.0.tar.bz2
@ echo " UNTAR toolchain/nasm-2.12.02.tar.xz"
@ tar -xf toolchain/nasm-2.12.02.tar.xz -C toolchain
@ rm toolchain/nasm-2.12.02.tar.xz
@ mkdir -p toolchain/build-binutils
@ echo ""
@ echo " CONFIGURING BINUTILS"
@ echo ""
@ cd toolchain/build-binutils && ../binutils-2.27/configure \
--target=i386-elf --prefix=$(PWD)/toolchain --disable-nls
@ echo ""
@ echo " COMPILING BINUTILS"
@ echo ""
@ make -C toolchain/build-binutils all
@ echo ""
@ echo " INSTALLING BINUTILS"
@ echo ""
@ make -C toolchain/build-binutils install
@ echo ""
@ echo " CLEAN toolchain/build-binutils toolchain/binutils-2.27"
@ rm -rf toolchain/build-binutils toolchain/binutils-2.27
@ mkdir -p toolchain/build-gcc
@ echo ""
@ echo " CONFIGURING GCC"
@ echo ""
@ export PATH=$PATH:$(PWD)/toolchain/bin
@ bash scripts/build_gcc.sh
@ cd toolchain/build-gcc
@ ../gcc-6.2.0/configure \
--target=i386-elf --prefix=$(PWD)/toolchain --disable-nls \
--enable-languages=c --without-headers
@ echo ""
@ echo " COMPILING GCC"
@ echo ""
@ make -C toolchain/build-gcc all-gcc
@ echo ""
@ echo " INSTALLING GCC"
@ echo ""
@ make -C toolchain/build-gcc install-gcc
@ echo ""
@ echo " CLEAN toolchain/build-gcc toolchain/gcc-6.2.0"
@ rm -rf toolchain/build-gcc toolchain/gcc-6.2.0
@ echo ""
@ echo " CONFIGURING NASM"
@ echo ""
@ cd toolchain/nasm-2.12.02 && ./configure --prefix=$(PWD)/toolchain
@ echo ""
@ echo " COMPILING NASM"
@ echo ""
@ make -C toolchain/nasm-2.12.02
@ echo ""
@ echo " INSTALLING NASM"
@ echo ""
@ make -C toolchain/nasm-2.12.02 install
@ echo ""
@ echo " CLEAN toolchain/nasm-2.12.02"
@ rm -rf toolchain/nasm-2.12.02
toolchain-arm:
@ echo ""
@ echo "Starting automatic cross-toolchain build. This may take a while depending on"
@ echo "your Internet connection and processor speed."
@ echo ""
@ echo "The cross-toolchain will be completely contained within the toolchain/ directory. No"
@ echo "superuser access is required."
@ echo ""
@ mkdir -p toolchain
@ echo " WGET toolchain/binutils-2.24.tar.bz2"
@ wget -P toolchain http://ftp.gnu.org/gnu/binutils/binutils-2.27.tar.bz2
@ echo " WGET toolchain/gcc-6.2.0.tar.bz2"
@ wget -P toolchain http://ftp.gnu.org/gnu/gcc/gcc-6.2.0/gcc-6.2.0.tar.bz2
@ echo " WGET toolchain/nasm-2.12.02.tar.bz2"
@ wget -P toolchain http://www.nasm.us/pub/nasm/releasebuilds/2.12.02/nasm-2.12.02.tar.xz
@ echo " WGET toolchain/mpfr-3.1.4.tar.xz"
@ wget -P toolchain http://www.mpfr.org/mpfr-3.1.4/mpfr-3.1.4.tar.xz
@ echo " WGET toolchain/mpc-1.0.3.tag.gz"
@ wget -P toolchain http://www.multiprecision.org/mpc/download/mpc-1.0.3.tar.gz
@ echo " WGET toolchain/gmp-6.1.1.tar.xz"
@ wget -P toolchain http://ftp.gnu.org/gnu/gmp/gmp-6.1.1.tar.xz
@ echo " UNTAR toolchain/binutils-2.24.tar.bz2"
@ tar -xf toolchain/binutils-2.27.tar.bz2 -C toolchain
@ rm toolchain/binutils-2.27.tar.bz2
@ echo " UNTAR toolchain/gcc-6.2.0.tar.bz2"
@ tar -xf toolchain/gcc-6.2.0.tar.bz2 -C toolchain
@ rm toolchain/gcc-6.2.0.tar.bz2
@ mkdir -p toolchain/build-binutils
@ echo ""
@ echo " CONFIGURING BINUTILS"
@ echo ""
@ cd toolchain/build-binutils && ../binutils-2.24/configure \
--target=arm-none-eabi --prefix=$(PWD)/toolchain --disable-nls
@ echo ""
@ echo " COMPILING BINUTILS"
@ echo ""
@ make -C toolchain/build-binutils all
@ echo ""
@ echo " INSTALLING BINUTILS"
@ echo ""
@ make -C toolchain/build-binutils install
@ echo ""
@ echo " CLEAN toolchain/build-binutils toolchain/binutils-2.27"
@ rm -rf toolchain/build-binutils toolchain/binutils-2.27
@ mkdir -p toolchain/build-gcc
@ echo ""
@ echo " CONFIGURING GCC"
@ echo ""
@ export PATH=$PATH:$(PWD)/toolchain/bin
@ bash tools/build_gcc.sh
@ cd toolchain/build-gcc
@ ../gcc-6.2.0/configure \
--target=arm-none-eabi --prefix=$(PWD)/toolchain --disable-nls \
--enable-languages=c --without-headers
@ echo ""
@ echo " COMPILING GCC"
@ echo ""
@ make -C toolchain/build-gcc all-gcc all-target-libgcc
@ echo ""
@ echo " INSTALLING GCC"
@ echo ""
@ make -C toolchain/build-gcc install-gcc install-target-libgcc
@ echo ""
@ echo " CLEAN toolchain/build-gcc toolchain/gcc-6.2.0"
@ rm -rf toolchain/build-gcc toolchain/gcc-6.2.0