# 
# 
#  (c) 2004 Laurent Vivier <LaurentVivier@wanadoo.fr>
# 
#

TARGET = m68k-linux
MEDIA = floppy

TOP		= $(shell pwd)
VPATH		= $(TOP)
CPPFLAGS	= -DVERSION="\"$(VERSION)\"" -I$(TOP) -Wa,-I$(TOP) \
		  $(OPT_CPPFLAGS) -DUSE_CLI \
		  -I$(TOP)/../libmacos -Wa,-I$(TOP)/../libmacos \
		  -I$(TOP)/../libiso9660 -I$(TOP)/../libgzip \
		  -I$(TOP)/../libfloppy -I$(TOP)/../libscsi \
		  -I$(TOP)/../libstream 

# -O2 is needed to be able to inline functions from libmacos
CFLAGS		= $(OPT_CFLAGS) -nostdlib -nodefaultlibs -Wall -Werror -Wno-multichar -fpic -O2
ASFLAGS		= 
LIBS		= -L$(TOP)/../libstream -lstream \
		  -L$(TOP)/../libiso9660/m68k-linux \
		  -liso9660 -L$(TOP)/../libunix -lunix \
		  -L$(TOP)/../libmacos -lmacos -L$(TOP)/../libunix -lunix \
		  -L$(TOP)/../libgzip/m68k-linux -lgzip \
		  -L$(TOP)/../libfloppy -lfloppy -L$(TOP)/../libscsi -lscsi

LS		= ls
AWK		= awk

HEADERS	= arch.h bank.h bootenv.h bootinfo.h bootx.h cli.h console.h driver.h enter_kernel030.h enter_kernel040.h enter_kernel.h enter_kernelnoMMU.h enter_kernelPPC.h head.h keyboard.h load.h lowmem.h memory.h misc.h MMU030.h MMU040.h serial.h vga.h

SOURCES = head.S main.c console.c \
	  font_8x16.c \
	  misc.c bank.c arch.c \
	  load.c serial.c vga.c driver.c \
	  enter_kernel.c

SOURCES_CLI = keyboard.c cli.c

OBJS	= $(patsubst %.c,%.o,$(SOURCES:.S=.o)) $(SOURCES_CLI:.c=.o) \
	  $(OPTOBJS)

# ARCHITECTURE

OBJS_MMU030 = MMU030_asm.o MMU030.o enter_kernel030.o
OBJS_MMU040 = MMU040_asm.o MMU040.o enter_kernel040.o
OBJS_MMU = $(OBJS_MMU030) $(OBJS_MMU040)
OBJS_noMMU = enter_kernelnoMMU.o
OBJS_M68K = $(OBJS_MMU) $(OBJS_noMMU)

OBJS_PPC = enter_kernelPPC.o PPC_asm.o

# TARGET

OBJS_LINUX_M68K = bootinfo.o

OBJS_NETBSD_M68K = bootenv.o

OBJS_LINUX_PPC = bootx.o

# MEDIA

OBJS_SCSI = container.o

OBJS_FLOPPY = 

OBJS_ATA = 

DISTFILES = $(SOURCES_ASM) $(SOURCES_C) $(HEADERS)

ifeq ("$(TARGET)", "m68k-linux")

	OBJS_TARGET	= $(OBJS_M68K) $(OBJS_LINUX_M68K)
	CPPFLAGS_TARGET = -D__LINUX__ -DARCH_M68K -DUSE_MMU030 -DUSE_MMU040
	CFLAGS_TARGET	= -m68020 -Wa,-m68020 -Os

else
ifeq ("$(TARGET)", "classic-linux")

	OBJS_TARGET 	= $(OBJS_noMMU) $(OBJS_LINUX_M68K)
	CPPFLAGS_TARGET = -D__LINUX__ -DARCH_M68K
	CFLAGS_TARGET	= -m68000 -Wa,-m68000 -Os

else
ifeq ("$(TARGET)", "ppc-linux")

	OBJS_TARGET 	= $(OBJS_PPC) $(OBJS_LINUX_PPC)
	CPPFLAGS_TARGET = -D__LINUX__ -DARCH_PPC
	CFLAGS_TARGET	= -m68020 -Wa,-m68020 -Os

else
ifeq ("$(TARGET)", "mixed-linux")

	OBJS_TARGET 	= $(OBJS_M68K) $(OBJS_LINUX_M68K) $(OBJS_PPC) $(OBJS_LINUX_PPC)
	CPPFLAGS_TARGET = -D__LINUX__ -DARCH_M68K -DUSE_MMU030 -DUSE_MMU040 -DARCH_PPC
	CFLAGS_TARGET	= -m68020 -Wa,-m68020 -Os

else
ifeq ("$(TARGET)", "m68k-netbsd")

	OBJS_TARGET 	= $(OBJS_M68K) $(OBJS_NETBSD_M68K)
	CPPFLAGS_TARGET = -D__NETBSD__ -DARCH_M68K -DUSE_MMU030 -DUSE_MMU040
	CFLAGS_TARGET	= -m68020 -Wa,-m68020 -Os

endif
endif
endif
endif
endif

ifeq ("$(MEDIA)", "scsi")

	OBJS_MEDIA = $(OBJS_SCSI)
	CPPFLAGS_MEDIA = -DSCSI_SUPPORT

else
ifeq ("$(MEDIA)", "floppy")

	OBJS_MEDIA = $(OBJS_FLOPPY)
	CPPFLAGS_MEDIA = -DFLOPPY_SUPPORT

else
ifeq ("$(MEDIA)", "ata")

	OBJS_MEDIA = $(OBJS_ATA)
	CPPFLAGS_MEDIA = -DATA_SUPPORT

endif
endif
endif

$(TARGET)-$(MEDIA)/second::
	test -d $(TARGET)-$(MEDIA) || mkdir $(TARGET)-$(MEDIA)
	cd $(TARGET)-$(MEDIA) && make -f $(TOP)/Makefile second \
			VERSION=$(VERSION) \
			TOP=$(TOP) \
			OBJCOPY=$(OBJCOPY) LD=$(LD) CC=$(CC) \
			AS=$(AS) SIGNATURE="$(SIGNATURE)" \
			OPT_CPPFLAGS="$(CPPFLAGS_TARGET) $(CPPFLAGS_MEDIA)" \
			OPT_CFLAGS="$(CFLAGS_TARGET)" \
			OPTOBJS="$(OBJS_TARGET) $(OBJS_MEDIA)"

second: second.o
	$(OBJCOPY) -j .text -j .data -j .rodata -j .got \
			-O binary second.o second

second.o: $(OBJS) $(TOP)/ld.script
	$(LD) -T $(TOP)/ld.script -o second.o $(OBJS) $(LIBS)

.c.o:
	$(CC) $(CPPFLAGS) $(CFLAGS) -c -o $@ $^ 

install::
	install -d $(DESTDIR)/$(PREFIX)/boot/emile/
	install $(KARCH)-linux-scsi/second $(DESTDIR)/$(PREFIX)/boot/emile/$(KARCH)-second_scsi
	install -d $(DESTDIR)/$(PREFIX)/lib/emile/
	install $(KARCH)-linux-floppy/second $(DESTDIR)/$(PREFIX)/lib/emile/$(KARCH)-second_floppy

uninstall::
	rm -f $(DESTDIR)/$(PREFIX)/boot/emile/$(KARCH)-second_scsi
	rm -f $(DESTDIR)/$(PREFIX)/lib/emile/$(KARCH)-second_floppy

dist:
	for file in $(DISTFILES); do \
		dir=$$(dirname $$file); \
		if [ "$$dir" != "" ] ; then \
			mkdir -p $(DISTDIR)/second/$$dir; \
		fi; \
		cp -p $$file $(DISTDIR)/second/$$file; \
	done

clean:
	rm -fr m68k-linux-floppy m68k-linux-scsi m68k-linux-ata \
	      ppc-linux-floppy ppc-linux-scsi ppc-linux-ata \
	      mixed-linux-floppy mixed-linux-scsi mixed-linux-ata \
	      m68k-netbsd-floppy classic-linux-floppy