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# $NetBSD: Makefile.boot,v 1.67 2015/08/20 11:39:28 uebayasi Exp $
S= ${.CURDIR}/../../../../..
NOMAN=
PROG?= boot
NEWVERSWHAT?= "BIOS Boot"
VERSIONFILE?= ${.CURDIR}/../version
AFLAGS.biosboot.S= ${${ACTIVE_CC} == "clang":?-no-integrated-as:}
SOURCES?= biosboot.S boot2.c conf.c devopen.c exec.c
SRCS= ${SOURCES}
.if !make(depend)
SRCS+= vers.c
.endif
PIE_CFLAGS=
PIE_AFLAGS=
PIE_LDFLAGS=
.include <bsd.own.mk>
STRIPFLAG= # nothing
LIBCRT0= # nothing
LIBCRTI= # nothing
LIBCRTBEGIN= # nothing
LIBCRTEND= # nothing
LIBC= # nothing
BINDIR=/usr/mdec
BINMODE=444
.PATH: ${.CURDIR}/.. ${.CURDIR}/../../lib
LDFLAGS+= -nostdlib -Wl,-N -Wl,-e,boot_start
CPPFLAGS+= -I ${.CURDIR}/.. -I ${.CURDIR}/../../lib -I ${S}/lib/libsa
CPPFLAGS+= -I ${.OBJDIR}
# Make sure we override any optimization options specified by the user
COPTS= -Os
.if ${MACHINE_ARCH} == "x86_64"
LDFLAGS+= -Wl,-m,elf_i386
AFLAGS+= -m32
CPUFLAGS= -m32
LIBKERN_ARCH=i386
KERNMISCMAKEFLAGS="LIBKERN_ARCH=i386"
.else
CPUFLAGS= -march=i386 -mtune=i386
.endif
CFLAGS+= -mno-sse -mno-sse2 -mno-sse3
COPTS+= -ffreestanding
CFLAGS+= -Wall -Wmissing-prototypes -Wstrict-prototypes
CPPFLAGS+= -nostdinc -D_STANDALONE
CPPFLAGS+= -I$S
CPPFLAGS+= -DSUPPORT_PS2
CPPFLAGS+= -DDIRECT_SERIAL
CPPFLAGS+= -DSUPPORT_SERIAL=boot_params.bp_consdev
CPPFLAGS+= -DCONSPEED=boot_params.bp_conspeed
CPPFLAGS+= -DCONSADDR=boot_params.bp_consaddr
CPPFLAGS+= -DCONSOLE_KEYMAP=boot_params.bp_keymap
CPPFLAGS+= -DSUPPORT_CD9660
CPPFLAGS+= -DSUPPORT_USTARFS
CPPFLAGS+= -DSUPPORT_DOSFS
CPPFLAGS+= -DSUPPORT_EXT2FS
CPPFLAGS+= -DSUPPORT_MINIXFS3
CPPFLAGS+= -DPASS_BIOSGEOM
CPPFLAGS+= -DPASS_MEMMAP
#CPPFLAGS+= -DBOOTPASSWD
CPPFLAGS+= -DEPIA_HACK
#CPPFLAGS+= -DDEBUG_MEMSIZE
#CPPFLAGS+= -DBOOT_MSG_COM0
CPPFLAGS+= -DLIBSA_ENABLE_LS_OP
.if defined(__MINIX)
CPPFLAGS+= -DLIBSA_ENABLE_LOAD_MODS_OP
.endif # defined(__MINIX)
# The biosboot code is linked to 'virtual' address of zero and is
# loaded at physical address 0x10000.
# XXX The heap values should be determined from _end.
SAMISCCPPFLAGS+= -DHEAP_START=0x40000 -DHEAP_LIMIT=0x70000
SAMISCCPPFLAGS+= -DLIBSA_PRINTF_LONGLONG_SUPPORT
SAMISCMAKEFLAGS+= SA_USE_CREAD=yes # Read compressed kernels
SAMISCMAKEFLAGS+= SA_INCLUDE_NET=no # Netboot via TFTP, NFS
CPPFLAGS+= -Wno-pointer-sign
# CPPFLAGS+= -DBOOTXX_RAID1_SUPPORT
I386_STAND_DIR?= $S/arch/i386/stand
### find out what to use for libi386
I386DIR= ${I386_STAND_DIR}/lib
.include "${I386DIR}/Makefile.inc"
LIBI386= ${I386LIB}
### find out what to use for libsa
SA_AS= library
SAMISCMAKEFLAGS+="SA_USE_LOADFILE=yes"
SAMISCMAKEFLAGS+="SA_ENABLE_LS_OP=yes"
.include "${S}/lib/libsa/Makefile.inc"
LIBSA= ${SALIB}
.if !defined(__MINIX)
### find out what to use for libkern
KERN_AS= library
.include "${S}/lib/libkern/Makefile.inc"
LIBKERN= ${KERNLIB}
.else
USE_BITCODE=no
# use MINIX minc
LIBKERN= ${DESTDIR}/usr/lib/libminc.a
.endif # !defined(__MINIX)
### find out what to use for libz
Z_AS= library
.include "${S}/lib/libz/Makefile.inc"
LIBZ= ${ZLIB}
LDSCRIPT ?= $S/arch/i386/conf/stand.ldscript
cleandir distclean: .WAIT cleanlibdir
cleanlibdir:
-rm -rf lib
LIBLIST= ${LIBI386} ${LIBSA} ${LIBZ} ${LIBKERN} ${LIBI386} ${LIBSA}
# LIBLIST= ${LIBSA} ${LIBKERN} ${LIBI386} ${LIBSA} ${LIBZ} ${LIBKERN}
CLEANFILES+= ${PROG}.tmp ${PROG}.map ${PROG}.sym vers.c
vers.c: ${VERSIONFILE} ${SOURCES} ${LIBLIST} ${.CURDIR}/../Makefile.boot
${HOST_SH} ${S}/conf/newvers_stand.sh ${VERSIONFILE} x86 ${NEWVERSWHAT}
.if defined(__MINIX)
# BJG
# -Wl,-Ttext,0 changed to --section-start=.text=0 twice below of a gold problem.
# did not leave both versions in because of the huge continued line.
.endif # defined(__MINIX)
# Anything that calls 'real_to_prot' must have a %pc < 0x10000.
# We link the program, find the callers (all in libi386), then
# explicitly pull in the required objects before any other library code.
${PROG}: ${OBJS} ${LIBLIST} ${LDSCRIPT} ${.CURDIR}/../Makefile.boot
${_MKTARGET_LINK}
bb="$$( ${CC} -o ${PROG}.sym ${LDFLAGS} -Wl,--section-start=.text=0 -Wl,-cref \
${OBJS} ${LIBLIST} | ( \
while read symbol file; do \
[ -z "$$file" ] && continue; \
[ "$$symbol" = real_to_prot ] && break; \
done; \
while \
oifs="$$IFS"; \
IFS='()'; \
set -- $$file; \
IFS="$$oifs"; \
[ -n "$$2" ] && echo "${I386DST}/$$2"; \
read file rest && [ -z "$$rest" ]; \
do :; \
done; \
) )"; \
${CC} -o ${PROG}.sym ${LDFLAGS} -Wl,--section-start=.text=0 -T ${LDSCRIPT} \
-Wl,-Map,${PROG}.map -Wl,-cref ${OBJS} $$bb ${LIBLIST}
${OBJCOPY} -O binary ${PROG}.sym ${PROG}
.include <bsd.prog.mk>
KLINK_MACHINE= i386
.include <bsd.klinks.mk>
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