#
#	Makefile -- Build instructions for Triscend-A7
#
include $(ROOTDIR)/$(LINUXDIR)/.config
ROMFSIMG = $(IMAGEDIR)/romfs.img
ELFIMAGE = $(IMAGEDIR)/linux.elf
SRECIMAGE = $(IMAGEDIR)/linux.hex


ROMFS_DIRS = bin dev etc home lib mnt proc usr var

DEVICES = \
	tty,c,5,0      console,c,5,1      cua0,c,5,64      cua1,c,5,65  \
	\
	mem,c,1,1      kmem,c,1,2         null,c,1,3       ram0,b,1,0 \
	ram1,b,1,1 \
	\
	ptyp0,c,2,0    ptyp1,c,2,1        ptyp2,c,2,2      ptyp3,c,2,3 \
	ptyp4,c,2,4    ptyp5,c,2,5        ptyp6,c,2,6      ptyp7,c,2,7 \
	ptyp8,c,2,8    ptyp9,c,2,9        ptypa,c,2,10     ptypb,c,2,11 \
	ptypc,c,2,12   ptypd,c,2,13       ptype,c,2,14     ptypf,c,2,15 \
	\
	rom0,b,31,0    rom1,b,31,1        rom2,b,31,2      rom3,b,31,3 \
	rom4,b,31,4    rom5,b,31,5        rom6,b,31,6      rom7,b,31,7 \
	rom8,b,31,8    rom9,b,31,9 \
	\
	tty0,c,4,0     tty1,c,4,1         tty2,c,4,2       tty3,c,4,3 \
	ttyS0,c,4,64   ttyS1,c,4,65 \
	\
	ttyp0,c,3,0    ttyp1,c,3,1        ttyp2,c,3,2      ttyp3,c,3,3 \
	ttyp4,c,3,4    ttyp5,c,3,5        ttyp6,c,3,6      ttyp7,c,3,7 \
	ttyp8,c,3,8    ttyp9,c,3,9        ttypa,c,3,10     ttypb,c,3,11 \
	ttypc,c,3,12   ttypd,c,3,13       ttype,c,3,14     ttypf,c,3,15 \
	\
	zero,c,1,5     random,c,1,8       urandom,c,1,9 


clean:

romfs:
	[ -d $(ROMFSDIR)/$$i ] || mkdir -p $(ROMFSDIR)
	for i in $(ROMFS_DIRS); do \
		[ -d $(ROMFSDIR)/$$i ] || mkdir -p $(ROMFSDIR)/$$i; \
	done
	if [ $(CONFIG_DEVFS_FS) != "y" ]; then \
	for i in $(DEVICES); do \
		touch $(ROMFSDIR)/dev/@$$i; \
	done \
	# these permissions are needed for openpty and family to work
	# on non-ptmx ptys
	chmod 620 $(ROMFSDIR)/dev/@[pt]ty[pqrsPQRS][0-9a-f],*
	fi
	$(ROMFSINST) -s /var/tmp /tmp
	$(ROMFSINST) -s /bin /sbin
	$(ROMFSINST) /etc/rc
	$(ROMFSINST) /etc/inittab
	$(ROMFSINST) /etc/setup_links
	$(ROMFSINST) ../../Generic/romfs/etc/services /etc/services
	$(ROMFSINST) ../../Generic/romfs/lib/liberror.txt /lib/liberror.txt
	$(ROMFSINST) ../../Generic/romfs/etc/motd /etc/motd
	$(ROMFSINST) /etc/passwd
	echo "$(VERSIONSTR) -- " `date` > $(ROMFSDIR)/etc/version

image:
	[ -d $(IMAGEDIR) ] || mkdir -p $(IMAGEDIR)
	genromfs -v -V "ROMdisk" -f $(ROMFSIMG) -d $(ROMFSDIR)
	BSS=`$(CROSS)objdump --headers $(ROOTDIR)/$(LINUXDIR)/linux | \
	  grep .bss` ; \
	ADDR=`set -- $${BSS} ; echo 0x$${4}` ; \
	$(CROSS_COMPILE)objcopy --add-section=.romfs=$(ROMFSIMG) \
	  --adjust-section-vma=.romfs=$${ADDR} --no-adjust-warnings \
	  --set-section-flags=.romfs=alloc,load,data   \
	  $(ROOTDIR)/$(LINUXDIR)/linux $(ELFIMAGE) 2> /dev/null
	$(CROSS_COMPILE)objcopy -O srec $(ELFIMAGE) $(SRECIMAGE)