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Mon 14 Oct 23:13:50 CEST 2024

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sbosse 2024-10-14 23:14:05 +02:00
parent 66769b1980
commit 886cc8adfa
1 changed files with 20 additions and 51 deletions
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71
Makefile.config
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@ -1,54 +1,23 @@
include Makefile.config
KERNEL_CCFLAGS=-Wall -c -ffreestanding -fno-pie -g -std=gnu99
LIBRARY_SOURCES=$(wildcard library/*.c)
LIBRARY_HEADERS=$(wildcard library/*.h)
USER_SOURCES=$(wildcard user/*.c)
USER_PROGRAMS=$(USER_SOURCES:c=exe)
KERNEL_SOURCES=$(wildcard kernel/*.[chS])
WORDS=/usr/share/dict/words
# These settings select the native compiler,
# which is likely to work on native linux-x86.
#
CC=gcc -m32
LD=ld -melf_i386
#LD=ld -arch i386
AR=ar
OBJCOPY=objcopy -R .note.gnu.property
ISOGEN=genisoimage
.PHONY: build-kernel build-library build-userspace build-cdrom-image
# If you are compiling from another platform,
# then use the script build-cross-compiler.sh
# add cross/bin to your path, and uncomment these lines:
#CC=i686-elf-gcc
#LD=i686-elf-ld
#AR=i686-elf-ar
#OBJCOPY=i686-elf-objcopy
all: build-cdrom-image
build-kernel: kernel/basekernel.img
build-library: library/baselib.a
build-userspace: $(USER_PROGRAMS)
build-cdrom-image: basekernel.iso
kernel/basekernel.img: $(KERNEL_SOURCES) $(LIBRARY_HEADERS)
cd kernel && make
library/baselib.a: $(LIBRARY_SOURCES) $(LIBRARY_HEADERS)
cd library && make
$(USER_PROGRAMS): $(USER_SOURCES) library/baselib.a $(LIBRARY_HEADERS)
cd user && make
image: kernel/basekernel.img $(USER_PROGRAMS)
rm -rf image
mkdir image image/boot image/bin image/data
cp kernel/basekernel.img image/boot
cp $(USER_PROGRAMS) image/bin
if [ -f ${WORDS} ]; then head -2000 ${WORDS} > image/data/words; fi
basekernel.iso: image
${ISOGEN} -input-charset utf-8 -iso-level 2 -J -R -o $@ -b boot/basekernel.img image
disk.img:
qemu-img create disk.img 10M
run: basekernel.iso disk.img
qemu-system-i386 -cdrom basekernel.iso -hda disk.img
debug: basekernel.iso disk.img
qemu-system-i386 -cdrom basekernel.iso -hda disk.img -s -S &
clean:
rm -rf basekernel.iso image disk.img
cd kernel && make clean
cd library && make clean
cd user && make clean
# If building on OSX, then install mkisofs via ports or brew
# and uncomment this:
#ISOGEN=mkisofs