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| author | Freya Murphy <freya@freyacat.org> | 2025-03-25 17:36:52 -0400 |
|---|---|---|
| committer | Freya Murphy <freya@freyacat.org> | 2025-03-25 17:38:22 -0400 |
| commit | 6af21e6a4f2251e71353562d5df7f376fdffc270 (patch) | |
| tree | de20c7afc9878422c81e34f30c6b010075e9e69a /kernel/Make.mk | |
| download | comus-6af21e6a4f2251e71353562d5df7f376fdffc270.tar.gz comus-6af21e6a4f2251e71353562d5df7f376fdffc270.tar.bz2 comus-6af21e6a4f2251e71353562d5df7f376fdffc270.zip | |
initial checkout from wrc
Diffstat (limited to 'kernel/Make.mk')
| -rw-r--r-- | kernel/Make.mk | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/kernel/Make.mk b/kernel/Make.mk new file mode 100644 index 0000000..0c9b507 --- /dev/null +++ b/kernel/Make.mk @@ -0,0 +1,66 @@ +# +# Makefile fragment for the kernel components of the system. +# +# Makefile fragment for the kernel component of the system. +# +# THIS IS NOT A COMPLETE Makefile - run GNU make in the top-level +# directory, and this will be pulled in automatically. +# + +SUBDIRS += kernel + +################### +# FILES SECTION # +################### + +BOOT_OBJ := $(patsubst %.c, $(BUILDDIR)/%.o, $(BOOT_SRC)) + +KERN_SRC := kernel/startup.S kernel/isrs.S \ + kernel/cio.c kernel/clock.c kernel/kernel.c kernel/kmem.c \ + kernel/list.c kernel/procs.c kernel/sio.c kernel/support.c \ + kernel/syscalls.c kernel/user.c kernel/vm.c kernel/vmtables.c + +KERN_OBJ := $(patsubst %.c, $(BUILDDIR)/%.o, $(KERN_SRC)) +KERN_OBJ := $(patsubst %.S, $(BUILDDIR)/%.o, $(KERN_OBJ)) + +KCFLAGS := -ggdb +KLDFLAGS := -T kernel/kernel.ld +KLIBS := -lkernel -lcommon + +################### +# RULES SECTION # +################### + +kernel: $(BUILDDIR)/kernel/kernel.b + +$(BUILDDIR)/kernel/%.o: kernel/%.c $(BUILDDIR)/.vars.CFLAGS + @mkdir -p $(@D) + $(CC) $(CFLAGS) $(KCFLAGS) -c -o $@ $< + +$(BUILDDIR)/kernel/%.o: kernel/%.S $(BUILDDIR)/.vars.CFLAGS + @mkdir -p $(@D) + $(CPP) $(CPPFLAGS) -o $(@D)/$*.s $< + $(AS) $(ASFLAGS) $(KCFLAGS) -o $@ $(@D)/$*.s -a=$(@D)/$*.lst + $(RM) -f $(@D)/$*.s + +$(BUILDDIR)/kernel/kernel: $(KERN_OBJ) + @mkdir -p $(@D) + $(LD) $(KLDFLAGS) $(LDFLAGS) -o $@ $(KERN_OBJ) $(KLIBS) + $(OBJDUMP) -S $@ > $@.asm + $(NM) -n $@ > $@.sym + $(READELF) -a $@ > $@.info + +$(BUILDDIR)/kernel/kernel.b: $(BUILDDIR)/kernel/kernel + $(LD) $(LDFLAGS) -o $(BUILDDIR)/kernel/kernel.b -s \ + --oformat binary -Ttext 0x10000 $(BUILDDIR)/kernel/kernel + +# some debugging assist rules +$(BUILDDIR)/kernel/%.i: kernel/%.c $(BUILDDIR)/.vars.CFLAGS + @mkdir -p $(@D) + $(CC) $(CFLAGS) $(KCFLAGS) -E -c $< > $(@D)/$*.i + +$(BUILDDIR)/kernel/%.dat: $(BUILDDIR)/kernel/%.o + @mkdir -p $(@D) + $(OBJCOPY) -S -O binary -j .data $< $@ + hexdump -C $@ > $(@D)/$*.hex + |