##
## Linux Loader for SPARC
##
##

CC=gcc 
LD=ld
AS=as
RM=/bin/rm -f
NM=nm
DD=dd
ELFTOAOUT=elftoaout
STRIP=strip
GZIP=gzip
GDB=gdb
ECHO=echo
GREP=grep
SED=sed
CP=cp

CFLAGS = -I../include -O -I. 

# Relocate to 2.5MB. The Hitchhiker's Guide to Open Boot Rev 3 claims
# that 3MB are guaranteed to be mapped.
LDFLAGS=-N -Ttext 0x280000

.c.o:
	$(CC) $(CFLAGS) -c $*.c

.S.o:
	$(CC) $(CFLAGS) -c $*.S

# The ordering here is very significant. Please add new object files to OBJS5 only.
OBJS1 = crt0.o
OBJS2 = decomp.o
OBJS2N = decompnet.o
OBJS3 = console.o printf.o malloc.o jmp.o 
OBJS4 = main.o
OBJS4N = mainnet.o
OBJS5 = cmdline.o disk.o file.o misc.o cfg.o strtol.o ranges.o tree.o timer.o memory.o ufs.o divdi3.o
OBJS = $(OBJS1) $(OBJS2) $(OBJS3) bmark.o $(OBJS4) $(OBJS5)
OBJSNET = $(OBJS1) $(OBJS2N) $(OBJS3) bmark.o $(OBJS4N) $(OBJS5)

ifeq (Linux,$(shell uname))
ifeq (sparc,$(shell uname -m))
all: second.b silotftp.b
else
all:
	@$(ECHO) Second stage bootloader should be build under Linux/Sparc only
endif
else
all:
	@$(ECHO) Second stage bootloader should be build under Linux/Sparc only
endif

second: $(OBJS) mark.o
	$(LD) $(LDFLAGS) -Bstatic -o second $(OBJS) -L../include -lext2fs mark.o -lc
	$(NM) second | grep -v '*ABS*' | sort > second.map

silotftp: $(OBJSNET) mark.o
	$(LD) $(LDFLAGS) -Bstatic -o silotftp $(OBJSNET) -L../include -lext2fs mark.o -lc
	$(NM) silotftp | grep -v '*ABS*' | sort > silotftp.map

second.l: second
	( $(ECHO) 'disassemble 0x280000 '`$(GREP) '_etext' second.map | $(SED) 's/ .*$$//' | $(SED) 's/^00/0x/'`; $(ECHO) quit ) | $(GDB) second | $(SED) '1,/^(gdb)/d;/^End /,$$d' > second.l

crt0.o:        crt0.S
main.o:        main.c silo.h
malloc.o:      malloc.c silo.h
printf.o:      printf.c silo.h
cmdline.o:     cmdline.c silo.h
console.o:     console.c silo.h
misc.o:	       misc.c silo.h
disk.o:	       disk.c silo.h
file.o:	       file.c silo.h ufs.h
cfg.o:	       cfg.c silo.h
ranges.o:      ranges.c silo.h
tree.o:	       tree.c silo.h
timer.o:       timer.c silo.h
decomp.o:      decomp.c inflate.c silo.h
mark.o:	       mark.S
bmark.o:       bmark.S
ufs.o:	       ufs.c silo.h ufs.h
memory.o:      memory.c silo.h
jmp.o:	       jmp.S
divdi3.o:      divdi3.S
decompnet.o:   decomp.c inflate.c silo.h
	$(CC) $(CFLAGS) -DTFTP -c -o decompnet.o decomp.c
mainnet.o:   main.c silo.h
	$(CC) $(CFLAGS) -DTFTP -c -o mainnet.o main.c

util:	util.c
	$(CC) -o util util.c

clean:
	$(RM) $(OBJS) *.o second second.b silotftp silotftp.b second.l *.map core *~ util second.b second.image.tmp

second.b: second util
	$(CP) second second.tmp
	$(STRIP) second.tmp
	$(ELFTOAOUT) -o second.image.tmp second.tmp
	./util -z second.map second.image.tmp second.b second.b2
	$(GZIP) -9cfn second.b2 >> second.b
	$(RM) second.tmp second.image.tmp second.b2
	ln -f second.b ../boot/second.b

silotftp.b: silotftp util
	$(CP) silotftp silotftp.tmp
	$(STRIP) silotftp.tmp
	$(ELFTOAOUT) -o silotftp.image.tmp silotftp.tmp
	./util -a silotftp.map silotftp.image.tmp silotftp.b silotftp.b2
	$(GZIP) -9cfn silotftp.b2 >> silotftp.b
	$(RM) silotftp.tmp silotftp.image.tmp silotftp.b2
	ln -f silotftp.b ../boot/silotftp.b