Makefile.boot revision 1.35
11.35Ssnj# $NetBSD: Makefile.boot,v 1.35 2008/10/19 21:27:46 snj Exp $
21.1Sdsl
31.1SdslS=	${.CURDIR}/../../../../../
41.1Sdsl
51.1SdslNOMAN=
61.3SdslBINDIR= /usr/mdec
71.3SdslBINMODE= 0444
81.3SdslPROG?= boot
91.13SdslNEWVERSWHAT?= "BIOS Boot"
101.1SdslVERSIONFILE?= ${.CURDIR}/../version
111.1Sdsl
121.5SthorpejSOURCES?= biosboot.S boot2.c conf.c devopen.c exec.c
131.1SdslSRCS= ${SOURCES}
141.1Sdsl.if !make(depend)
151.1SdslSRCS+= vers.c
161.1Sdsl.endif
171.1Sdsl
181.1Sdsl.include <bsd.own.mk>
191.1Sdsl
201.18SthorpejSTRIPFLAG=	# nothing
211.18Sthorpej
221.1SdslLIBCRT0=	# nothing
231.1SdslLIBCRTBEGIN=	# nothing
241.1SdslLIBCRTEND=	# nothing
251.1SdslLIBC=		# nothing
261.1Sdsl
271.1SdslBINDIR=/usr/mdec
281.1SdslBINMODE=444
291.1Sdsl
301.1Sdsl.PATH:	${.CURDIR}/.. ${.CURDIR}/../../lib
311.1Sdsl
321.28SlukemLDFLAGS+= -nostdlib -Wl,-N -Wl,-e,boot_start
331.1Sdsl# CPPFLAGS+= -D__daddr_t=int32_t
341.1SdslCPPFLAGS+= -I ${.CURDIR}/..  -I ${.CURDIR}/../../lib -I ${S}/lib/libsa
351.1SdslCPPFLAGS+= -I ${.OBJDIR}
361.4Sthorpej#CPPFLAGS+= -DDEBUG_MEMSIZE
371.1Sdsl
381.1Sdsl# Make sure we override any optimization options specified by the user
391.1SdslCOPTS=  -Os
401.1Sdsl
411.34Sgmcgarry.if defined(HAVE_GCC)
421.2Sfvdl.if ${MACHINE} == "amd64"
431.28SlukemLDFLAGS+=  -Wl,-m,elf_i386
441.1SdslAFLAGS+=   -m32
451.18SthorpejCPUFLAGS=  -m32
461.1SdslLIBKERN_ARCH=i386
471.1SdslKERNMISCMAKEFLAGS="LIBKERN_ARCH=i386"
481.1Sdsl.else
491.26Smrg.if ${HAVE_GCC} == 3
501.18SthorpejCPUFLAGS=  -mcpu=i386
511.26Smrg.else
521.26SmrgCPUFLAGS=  -march=i386 -mtune=i386
531.26Smrg.endif
541.1Sdsl.endif
551.34Sgmcgarry.endif
561.1Sdsl
571.1SdslCOPTS+=    -ffreestanding
581.1SdslCFLAGS+= -Wall -Wmissing-prototypes -Wstrict-prototypes
591.1SdslCPPFLAGS+= -nostdinc -D_STANDALONE
601.1SdslCPPFLAGS+= -I$S
611.1Sdsl
621.1SdslCPPFLAGS+= -DSUPPORT_PS2
631.1SdslCPPFLAGS+= -DDIRECT_SERIAL
641.1SdslCPPFLAGS+= -DSUPPORT_SERIAL=boot_params.bp_consdev
651.1Sdsl
661.1SdslCPPFLAGS+= -DCONSPEED=boot_params.bp_conspeed
671.16SdslCPPFLAGS+= -DCONSADDR=boot_params.bp_consaddr
681.14SdslCPPFLAGS+= -DCONSOLE_KEYMAP=boot_params.bp_keymap
691.1Sdsl
701.23SjunyoungCPPFLAGS+= -DSUPPORT_CD9660
711.1SdslCPPFLAGS+= -DSUPPORT_USTARFS
721.9SlukemCPPFLAGS+= -DSUPPORT_DOSFS
731.32Stsutsui#CPPFLAGS+= -DSUPPORT_EXT2FS
741.1SdslCPPFLAGS+= -DPASS_BIOSGEOM
751.1SdslCPPFLAGS+= -DPASS_MEMMAP
761.1Sdsl#CPPFLAGS+= -DBOOTPASSWD
771.21SgavanCPPFLAGS+= -DEPIA_HACK
781.1Sdsl
791.1Sdsl# The biosboot code is linked to 'virtual' address of zero and is
801.1Sdsl# loaded at physical address 0x10000.
811.1Sdsl# XXX The heap values should be determined from _end.
821.1SdslSAMISCCPPFLAGS+= -DHEAP_START=0x20000 -DHEAP_LIMIT=0x50000
831.1SdslSAMISCMAKEFLAGS+= SA_USE_CREAD=yes	# Read compressed kernels
841.1SdslSAMISCMAKEFLAGS+= SA_INCLUDE_NET=no	# Netboot via TFTP, NFS
851.1Sdsl
861.34Sgmcgarry.if (defined(HAVE_GCC) && ${HAVE_GCC} == 4) || defined(HAVE_PCC)
871.26SmrgCPPFLAGS+=	-Wno-pointer-sign
881.26Smrg.endif
891.1Sdsl
901.1Sdsl# CPPFLAGS+= -DBOOTXX_RAID1_SUPPORT
911.1Sdsl
921.1SdslI386_STAND_DIR?= $S/arch/i386/stand
931.1Sdsl
941.6SsimonbCLEANFILES+= machine x86
951.1Sdsl
961.24Schs.if !make(obj) && !make(clean) && !make(cleandir)
971.24Schs.BEGIN:
981.24Schs	-rm -f machine && ln -s $S/arch/i386/include machine
991.24Schs	-rm -f x86 && ln -s $S/arch/x86/include x86
1001.10Sdsl.ifdef LIBOBJ
1011.24Schs	-rm -f lib && ln -s ${LIBOBJ}/lib lib
1021.24Schs	mkdir -p ${LIBOBJ}/lib
1031.24Schs.endif
1041.10Sdsl.endif
1051.1Sdsl
1061.1Sdsl### find out what to use for libi386
1071.1SdslI386DIR= ${I386_STAND_DIR}/lib
1081.1Sdsl.include "${I386DIR}/Makefile.inc"
1091.1SdslLIBI386= ${I386LIB}
1101.1Sdsl
1111.1Sdsl### find out what to use for libsa
1121.1SdslSA_AS= library
1131.1SdslSAMISCMAKEFLAGS+="SA_USE_LOADFILE=yes"
1141.1Sdsl.include "${S}/lib/libsa/Makefile.inc"
1151.1SdslLIBSA= ${SALIB}
1161.1Sdsl
1171.1Sdsl### find out what to use for libkern
1181.1SdslKERN_AS= library
1191.1Sdsl.include "${S}/lib/libkern/Makefile.inc"
1201.1SdslLIBKERN= ${KERNLIB}
1211.1Sdsl
1221.1Sdsl### find out what to use for libz
1231.1SdslZ_AS= library
1241.1Sdsl.include "${S}/lib/libz/Makefile.inc"
1251.1SdslLIBZ= ${ZLIB}
1261.1Sdsl
1271.1Sdsl
1281.1Sdslcleandir distclean: cleanlibdir
1291.1Sdsl
1301.1Sdslcleanlibdir:
1311.15Sjmc	-rm -rf lib
1321.1Sdsl
1331.1SdslLIBLIST= ${LIBI386} ${LIBSA} ${LIBZ} ${LIBKERN} ${LIBI386} ${LIBSA}
1341.1Sdsl# LIBLIST= ${LIBSA} ${LIBKERN} ${LIBI386} ${LIBSA} ${LIBZ} ${LIBKERN}
1351.1Sdsl
1361.1SdslCLEANFILES+= ${PROG}.tmp ${PROG}.map vers.c
1371.1Sdsl
1381.22Sjunyoungvers.c: ${VERSIONFILE} ${SOURCES} ${LIBLIST} ${.CURDIR}/../Makefile.boot
1391.33Sperry	${HOST_SH} ${S}conf/newvers_stand.sh -DM ${VERSIONFILE} x86 ${NEWVERSWHAT}
1401.1Sdsl
1411.1Sdsl# Anything that calls 'real_to_prot' must have a %pc < 0x10000.
1421.1Sdsl# We link the program, find the callers (all in libi386), then
1431.35Ssnj# explicitly pull in the required objects before any other library code.
1441.1Sdsl${PROG}: ${OBJS} ${LIBLIST} ${.CURDIR}/../Makefile.boot
1451.27Slukem	${_MKTARGET_LINK}
1461.28Slukem	bb="$$( ${CC} -o ${PROG}.tmp ${LDFLAGS} -Wl,-Ttext,0 -Wl,-cref \
1471.1Sdsl	    ${OBJS} ${LIBLIST} | ( \
1481.1Sdsl		while read symbol file; do \
1491.1Sdsl			[ -z "$$file" ] && continue; \
1501.1Sdsl			[ "$$symbol" = real_to_prot ] && break; \
1511.1Sdsl		done; \
1521.1Sdsl		while \
1531.1Sdsl			oifs="$$IFS"; \
1541.1Sdsl			IFS='()'; \
1551.1Sdsl			set -- $$file; \
1561.1Sdsl			IFS="$$oifs"; \
1571.1Sdsl			[ -n "$$2" ] && echo "${I386DST}/$$2"; \
1581.1Sdsl			read file rest && [ -z "$$rest" ]; \
1591.1Sdsl		do :; \
1601.1Sdsl		done; \
1611.1Sdsl	) )"; \
1621.28Slukem	${CC} -o ${PROG}.tmp ${LDFLAGS} -Wl,-Ttext,0 \
1631.28Slukem		-Wl,-Map,${PROG}.map -Wl,-cref ${OBJS} $$bb ${LIBLIST}
1641.1Sdsl	${OBJCOPY} -O binary ${PROG}.tmp ${PROG}
1651.1Sdsl	rm -f ${PROG}.tmp
1661.1Sdsl
1671.1Sdsl.include <bsd.prog.mk>
168