#
# Makefile fragment for the user components 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 += user

###################
#  FILES SECTION  #
###################

# order here must match the order of program names in the
# 'user_e' enum defined in include/userids.h!!!
USER_SRC := user/init.c user/idle.c user/shell.c \
	user/progABC.c user/progDE.c user/progFG.c user/progH.c \
	user/progI.c user/progJ.c user/progKL.c user/progMN.c \
	user/progP.c user/progQ.c user/progR.c user/progS.c \
	user/progTUV.c user/progW.c user/progX.c user/progY.c \
	user/progZ.c

USER_OBJ := $(patsubst %.c, $(BUILDDIR)/%.o, $(USER_SRC))

USER_BIN := $(basename $(USER_SRC))
USER_BIN := $(addprefix $(BUILDDIR)/, $(USER_BIN))

ULDFLAGS := -T user/user.ld
ULIBS := -luser -lcommon

###################
#  RULES SECTION  #
###################

userland: $(USER_BIN)

$(BUILDDIR)/user/%.o: user/%.c $(BUILDDIR)/.vars.CFLAGS
	@mkdir -p $(@D)
	$(CC) $(CFLAGS) -c -o $@ $<

$(BUILDDIR)/user/%: $(BUILDDIR)/user/%.o
	@mkdir -p $(@D)
	$(LD) $(ULDFLAGS) $(LDFLAGS) -o $@ $@.o $(ULIBS)
	$(OBJDUMP) -S $@ > $@.asm
	$(NM) -n $@ > $@.sym
	$(READELF) -a $@ > $@.info

#
# Remake the "user blob". When this happens, we also generate a new
# version of the userids.h header file; we don't copy it over the
# previous version if it is the same, to avoid triggering remakes
# of the rest of the system.
#
user.img:	$(USR_BIN) mkblob
	./mkblob $(USER_BIN)
	@./listblob -e $@ > $(BUILDDIR)/new_userids.h
	-@sh -c 'cmp -s include/userids.h $(BUILDDIR)/new_userids.h || \
		(cp $(BUILDDIR)/new_userids.h include/userids.h; \
		echo "\n*** NOTE - updated include/userids.h, rebuild\!" ; \
		rm -f $(BUILDDIR)/new_userids.h)'

# some debugging assist rules
user.hex:	user.img
	hexdump -C $< > $@