diff --git a/stand/i386/loader/Makefile b/stand/i386/loader/Makefile index ad95948ec50a..dcae7bd67a14 100644 --- a/stand/i386/loader/Makefile +++ b/stand/i386/loader/Makefile @@ -1,102 +1,112 @@ # $FreeBSD$ HAVE_ZFS= ${MK_LOADER_ZFS} LOADER_NET_SUPPORT?= yes LOADER_NFS_SUPPORT?= yes LOADER_TFTP_SUPPORT?= yes LOADER_CD9660_SUPPORT?= yes LOADER_EXT2FS_SUPPORT?= yes LOADER_MSDOS_SUPPORT?= yes LOADER_UFS_SUPPORT?= yes LOADER_GZIP_SUPPORT?= yes LOADER_BZIP2_SUPPORT?= yes .include LOADER?= loader_${LOADER_INTERP} PROG= ${LOADER}.sym INTERNALPROG= NEWVERSWHAT?= "bootstrap loader" x86 VERSION_FILE= ${.CURDIR}/../loader/version .PATH: ${BOOTSRC}/i386/loader # architecture-specific loader code SRCS= main.c conf.c vers.c chain.c gfx_fb.c 8x16.c CFLAGS.gfx_fb.c += -I${.CURDIR}/../libi386 CFLAGS.gfx_fb.c += -I$(SRCTOP)/sys/teken CFLAGS.gfx_fb.c += -I${SRCTOP}/sys/cddl/contrib/opensolaris/common/lz4 CFLAGS.gfx_fb.c += -I${SRCTOP}/contrib/pnglite CFLAGS.gfx_fb.c += -DHAVE_MEMCPY -I${SRCTOP}/sys/contrib/zlib # Include bcache code. HAVE_BCACHE= yes # Enable PnP and ISA-PnP code. HAVE_PNP= yes HAVE_ISABUS= yes .if ${MK_LOADER_FIREWIRE} == "yes" CFLAGS+= -DLOADER_FIREWIRE_SUPPORT LIBFIREWIRE= ${BOOTOBJ}/i386/libfirewire/libfirewire.a .endif .if ${MK_LOADER_ZFS} == "yes" CFLAGS.main.c+= -I${SYSDIR}/contrib/openzfs/include CFLAGS.main.c+= -I${SYSDIR}/contrib/openzfs/include/os/freebsd/zfs .endif .if exists(${.CURDIR}/help.i386) HELP_FILES= ${.CURDIR}/help.i386 .endif # Always add MI sources .include "${BOOTSRC}/loader.mk" CLEANFILES+= ${LOADER} ${LOADER}.bin 8x16.c ORG= 0x0 CFLAGS+= -Wall LDFLAGS+= -static ${LDFLAGS_ORG} -Wl,--gc-sections # i386 standalone support library LIBI386= ${BOOTOBJ}/i386/libi386/libi386.a CFLAGS+= -I${BOOTSRC}/i386 # Debug me! #CFLAGS+= -g #LDFLAGS+= -g 8x16.c: ${SRCTOP}/contrib/terminus/ter-u16b.bdf vtfontcvt -f compressed-source -o ${.TARGET} ${.ALLSRC} ${LOADER}: ${LOADER}.bin ${BTXLDR} ${BTXKERN} btxld -v -f aout -e ${LOADER_ADDRESS} -o ${.TARGET} -l ${BTXLDR} \ -b ${BTXKERN} ${LOADER}.bin ${LOADER}.bin: ${LOADER}.sym ${STRIPBIN} -R .comment -R .note -o ${.TARGET} ${.ALLSRC} .if ${MK_LOADER_ZFS} == "yes" && ${LOADER_INTERP} == ${LOADER_DEFAULT_INTERP} LINKS+= ${BINDIR}/${LOADER} ${BINDIR}/zfsloader .endif .if ${LOADER_INTERP} == ${LOADER_DEFAULT_INTERP} LINKS+= ${BINDIR}/${LOADER} ${BINDIR}/loader .endif FILES+= ${LOADER} FILESMODE_${LOADER}= ${BINMODE} -b -# XXX crt0.o needs to be first for pxeboot(8) to work -OBJS= ${BTXCRT} +# Note: crt0.o needs to be first for pxeboot(8) to work. It assumes that the +# startup code is located at the start of the loader and will jump +# there. Although btx is more flexible than this, the emulated boot2 environment +# that pxeloader provides has none of that flexibility because it lacks access +# to the a.out/elf headers and assumes an entry point of 0. +# +# We must add it to the LDFLAGS instead of the OBJS becauce the former won't try +# to clean it. When it is in OBJS, this cleaning can lead to races where +# btxcrt.o is rebuilt, but boot2 isn't, leading to errors at installation time. +# LDFLAGS does not have this baggage and will be included first in the list of +# files. +LDFLAGS+= ${BTXCRT} DPADD= ${LDR_INTERP32} ${LIBFIREWIRE} ${LIBI386} ${LIBSA32} LDADD= ${LDR_INTERP32} ${LIBFIREWIRE} ${LIBI386} ${LIBSA32} .if ${MACHINE_CPUARCH} == "amd64" CFLAGS+= -DLOADER_PREFER_AMD64 .endif .include