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## -----------------------------------------------------------------------
##   
##   Copyright 2013 H. Peter Anvin - All Rights Reserved
##
##   Permission is hereby granted, free of charge, to any person
##   obtaining a copy of this software and associated documentation
##   files (the "Software"), to deal in the Software without
##   restriction, including without limitation the rights to use,
##   copy, modify, merge, publish, distribute, sublicense, and/or
##   sell copies of the Software, and to permit persons to whom
##   the Software is furnished to do so, subject to the following
##   conditions:
##   
##   The above copyright notice and this permission notice shall
##   be included in all copies or substantial portions of the Software.
##   
##   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
##   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
##   OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
##   NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
##   HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
##   WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
##   FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
##   OTHER DEALINGS IN THE SOFTWARE.
##
## -----------------------------------------------------------------------

CC	= gcc
CFLAGS	= -m32 -DDEBUG=1
AS	= as
ASFLAGS	= --32
LD	= ld
LDFLAGS = -m elf_i386 -z max-page-size=4096
OBJCOPY = objcopy

XTOOLS := $(wildcard ../dostools/*.com ../dostools/*.exe)

OBJS = header.o start.o printmsg.o \
       int2f.o acc.o fxn.o \
       diskspc.o readdir.o open.o \
       utf.o datetime.o \
       message.o protomsg.o pathname.o

.SUFFIXES: .s .asm .o .elf .lst .map .exe .img

all: v9fs.exe v9fs.img

.PRECIOUS: %.s
%.s: %.asm v9fs.h
	$(CC) $(CFLAGS) -x assembler-with-cpp -D__ASSEMBLY__ -E -o $@ $<

%.o: %.asm

.PRECIOUS: %.o
%.o: %.s
	$(AS) $(ASFLAGS) -a=$*.lst -o $@ $<

v9fs.elf: dostsr.ld $(OBJS)
	$(LD) $(LDFLAGS) -T dostsr.ld -Map=$*.map -o $@ $(OBJS)

%.exe: %.elf
	$(OBJCOPY) -O binary $< $@

.PHONY: cp
cp:
	$(MAKE) -C cp

cp/default.uni: cp

utf.o: cp/default.uni

v9fs.img: v9fs.exe cp $(XTOOLS)
	rm -f $@
	qemu-img create -f raw $@ 1440K
	mkdosfs -v -n V9FS $@
	mcopy -i $@ v9fs.exe '::'
	mcopy -i $@ cp/cp*.uni '::'
	if [ -n '$(XTOOLS)' ]; then \
		mcopy -i $@ $(XTOOLS) '::' ; \
	fi

clean:
	rm -f *.s *.o *.lst *.map *.elf *.exe *.img
	$(MAKE) -C cp clean

spotless: clean
	rm -f \#* *~
	$(MAKE) -C cp spotless