Created student weenix repository

1 files changed, 94 insertions, 0 deletions

diff --git a/kernel/Makefile b/kernel/Makefile
new file mode 100644
index 0000000..e784a99
--- /dev/null
+++ b/kernel/Makefile
@@ -0,0 +1,94 @@
+LDFLAGS   := --build-id=none -z max-page-size=0x1000 -n
+
+include ../Global.mk
+
+CFLAGS    += -D__KERNEL__
+
+###
+
+HEAD      := $(wildcard include/*/*.h include/*/*/*.h)
+SRCDIR    := boot entry main util drivers drivers/disk drivers/tty mm proc fs/ramfs fs/s5fs fs vm api test test/kshell test/vfstest
+
+SRC       := $(foreach dr, $(SRCDIR), $(wildcard $(dr)/*.[cS]))
+
+OBJS      := $(addsuffix .o,$(basename $(SRC)))
+ASM_FILES :=
+SCRIPTS   := $(foreach dr, $(SRCDIR), $(wildcard $(dr)/*.gdb $(dr)/*.py))
+
+BSYMBOLS  := symbols.dbg
+KERNEL    := kernel.bin
+IMAGE     := weenix.img
+ISO_IMAGE := weenix.iso
+GDBCOMM   := gdb-commands
+
+.PHONY: all cscope clean
+
+%.a:
+	touch $@
+
+all: $(ISO_IMAGE) $(GDBCOMM) $(ASM_FILES) $(BSYMBOLS)
+
+$(KERNEL) : $(OBJS)
+	@ echo "  Linking for \"kernel/$@\"..."
+	@ # entry.o included from link.ld. boot/boot-{32,64}.S must be the first file so that the multiboot header is close enough to the front.
+	@ $(LD) $(LDFLAGS) -T link.ld boot/boot.o $(filter-out boot/boot.o entry/entry.o,$^) -o $@
+
+$(BSYMBOLS): $(KERNEL)
+	@ echo "  Generating kernel symbols list..."
+	@ readelf -Ws $(KERNEL) | grep -Ev 'SECTION|UND|FILE|Num:|Symbol|^$$' | awk '{printf "0x%s %s\n", $$2, $$8}' > $@
+
+$(ISO_IMAGE): $(KERNEL)
+	@ echo "  Creating \"kernel/$@\" from floppy disk image..."
+	@ rm -rf .iso
+	@ mkdir -p .iso/boot/grub
+	@ ln -f $< .iso/boot/$< || cp -f $< .iso/boot/$<
+	@ echo "default=0" > .iso/boot/grub/grub.cfg
+	@ echo "timeout=0" > .iso/boot/grub/grub.cfg
+	@ echo "menuentry \"$@\" {" >> .iso/boot/grub/grub.cfg
+	@ echo " echo \"Booting $@ from /boot/$<\" " >> .iso/boot/grub/grub.cfg
+	@ echo " echo \"Welcome To 64-bit Weenix!\" " >> .iso/boot/grub/grub.cfg
+	@ echo " multiboot2 /boot/$< " >> .iso/boot/grub/grub.cfg
+	@ echo " acpi -2 " >> .iso/boot/grub/grub.cfg
+
+	@ echo " boot " >> .iso/boot/grub/grub.cfg
+	@ echo " GRUB_GFXMODE=1024x768x32" >> .iso/boot/grub/grub.cfg
+	@ echo "}" >> .iso/boot/grub/grub.cfg
+	@ $(MKRESCUE) -o $@ ./.iso
+
+$(GDBCOMM): $(SCRIPTS)
+	@ echo "  Creating gdb command list..."
+	@ $(foreach script, $(SCRIPTS), echo $(abspath $(script)) >> $(dir $(script))$(shell basename $(dir $(script))).gdbcomm; )
+	@ # We supress an error here if no command files exist
+	-@ cat */*.gdbcomm > $@
+
+%.S: %.c
+	@ echo "  Compiling \"kernel/$<\"..." 
+	@ $(CC) $(CFLAGS) -S $< -o $@
+
+%.o: %.c
+	@ echo "  Compiling \"kernel/$<\"..."
+	@ $(CC) -c $(CFLAGS) $< -o $@
+
+%.o: %.S
+	@ echo "  Compiling \"kernel/$<\"..."
+	@ $(CC) -c $(ASFLAGS) $(CFLAGS) $< -o $@
+
+cscope: $(HEAD) $(SRC)
+	@ echo "  Updating cscope symbol cross-reference..."
+	@ echo $(HEAD) $(SRC) > cscope.files
+	@ $(CSCOPE) -k -b -q -v > /dev/null
+
+FILTER=`echo "DRIVERS $(DRIVERS)\nVFS $(VFS)\nS5FS $(S5FS)\nVM $(VM)" | grep 1 | cut -f1 -d" " | tr "\n" "|"`PROCS
+nyi:
+	@ echo "  Not yet implemented:"
+	@ echo
+	@ find . -name \*.c -printf "%P\n" \
+| xargs grep -Hn "NOT_YET_IMPLEMENTED" \
+| sed -e 's/^\(.*:.*\):.*\"\(.*\): \(.*\)\".*/\2 \1 \3/' \
+| grep -E "^($(FILTER))" \
+| awk '{printf("%25s %30s() %8s\n", $$2, $$3, $$1)}'
+
+clean:
+	@ find . -name "*.o" -type f -delete
+	@ rm -f $(OBJS) $(BSYMBOLS) $(KERNEL) $(IMAGE) $(ISO_IMAGE) $(GDBCOMM) */*.gdbcomm cscope*.out cscope.files
+	@ rm -rf .iso
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