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      1 #	$NetBSD: Makefile,v 1.6 2024/04/29 07:34:27 skrll Exp $
      2 
      3 NODEBUG=	yes
      4 PROG=		xxboot
      5 NOMAN=		# defined
      6 SRCS=		start.S main.c readufs.c readufs_ffs.c readufs_lfs.c milli_tiny.S
      7 
      8 .PATH:	${.CURDIR}/../common
      9 
     10 CPPFLAGS+=	-I${.CURDIR}/../../../.. -I. -D_STANDALONE
     11 # configuration for readufs module
     12 CPPFLAGS+=	-DUSE_LFS -DUSE_FFS -DUSE_UFS1 -DUSE_UFS2
     13 # IODC can handle only 2GB, so this is enough
     14 CPPFLAGS+=	-D__daddr_t=int32_t -D__ino_t=uint32_t
     15 # ANSI C feature prevents from being relocatable
     16 #CPPFLAGS+=	-traditional	# would be best
     17 CPPFLAGS+=	-Dconst=
     18 COPTS+=		-Os -fno-delete-null-pointer-checks -funsigned-char -mdisable-fpregs -mpa-risc-1-0
     19 
     20 # Make sure we override any optimization options specified by the user
     21 DBG=		# empty
     22 
     23 .include <bsd.own.mk>
     24 
     25 LINKS=	${BINDIR}/${PROG} ${BINDIR}/sdboot
     26 
     27 BINDIR=		/usr/mdec
     28 STRIPFLAG=
     29 BINMODE=	444
     30 
     31 # standalone program
     32 LIBCRTBEGIN=
     33 LIBCRT0=
     34 LIBCRTI=
     35 LIBCRTEND=
     36 LIBC=
     37 
     38 S=		${.CURDIR}/../../../..
     39 
     40 ${PROG}: iplsum ${OBJS}
     41 	${_MKTARGET_LINK}
     42 	${LD} -Ttext 0 -Tdata 0 -e '$$START$$' -N -o $@1 $(OBJS)
     43 	${LD} -Ttext 0x100 -Tdata 0x23456780 -e '$$START$$' -N -o $@2 $(OBJS)
     44 	${SIZE} $@1
     45 	${OBJCOPY} -O binary -j .data $@1 $@1.bin
     46 	${OBJCOPY} -O binary -j .data $@2 $@2.bin
     47 	cmp $@1.bin $@2.bin	# should be same
     48 	${OBJCOPY} -O binary -j .text $@1 $@2.bin
     49 	test ! -s $@2.bin	# text section must be empty
     50 	${_MKMSG} " iplsum " ${.TARGET}
     51 	./iplsum $@1.bin $@
     52 
     53 iplsum: iplsum.c
     54 	${_MKTARGET_LINK}
     55 	${HOST_CC} -o $@ ${.CURDIR}/iplsum.c
     56 
     57 CLEANFILES+=	${PROG}1 ${PROG}2 ${PROG}1.bin ${PROG}2.bin ${PROG}.bin iplsum
     58 CLEANFILES+=	${SRCS:M*.c:S/.c$/.o.S/}
     59 
     60 .include <bsd.prog.mk>
     61 .include <bsd.klinks.mk>
     62 
     63 # override default rules
     64 
     65 # Place code to data section.
     66 .S.o:
     67 	${_MKTARGET_COMPILE}
     68 	${TOOL_SED} -e 's/\.code/.data/' \
     69 	-e 's/\.bss/.section .bss,"aw",@nobits/' \
     70 	-e 's/\.allow$$/.level	1.0/' -e 's/\.allow/.level/' \
     71 	 ${.IMPSRC} | ${AS} -o ${.TARGET}
     72 
     73 # Place code to data section, and make sure all address calculations
     74 # are relative to $global$.
     75 .c.o:
     76 	${_MKTARGET_COMPILE}
     77 	${CC} ${CFLAGS} ${CPPFLAGS} -o $@.S -S ${.IMPSRC}
     78 	grep -i 'ldil' $@.S | egrep -v "ldil L'-?[0-9]*," > /dev/null 2>&1; \
     79 		if [ $$? = 0 ]; then \
     80 			echo 'found non-relocatable code' >&2 && exit 1; \
     81 		fi
     82 	${TOOL_SED} -e 's/\.text/.data/' $@.S | ${AS} -o ${.TARGET}
     83