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# $FreeBSD$
.include <bsd.init.mk>
.PATH: ${BOOTSRC}/i386/boot2 ${BOOTSRC}/i386/common ${BOOTSRC}/common
FILES= zfsboot
MAN= zfsboot.8
BOOT_COMCONSOLE_PORT?= 0x3f8
BOOT_COMCONSOLE_SPEED?= 9600
B2SIOFMT?= 0x3
REL1= 0x700
ORG1= 0x7c00
ORG2= 0x2000
CFLAGS+=-DBOOTPROG=\"zfsboot\" \
-O1 \
-DBOOT2 \
-DLOADER_GPT_SUPPORT \
-DLOADER_MBR_SUPPORT \
-DLOADER_ZFS_SUPPORT \
-DLOADER_UFS_SUPPORT \
-DSIOPRT=${BOOT_COMCONSOLE_PORT} \
-DSIOFMT=${B2SIOFMT} \
-DSIOSPD=${BOOT_COMCONSOLE_SPEED} \
-I${LDRSRC} \
-I${BOOTSRC}/i386/common \
-I${BOOTSRC}/i386/libi386 \
-I${ZFSSRC} \
-I${SYSDIR}/crypto/skein \
-I${SYSDIR}/cddl/boot/zfs \
-I${SYSDIR}/contrib/openzfs/include \
-I${SYSDIR}/contrib/openzfs/include/os/freebsd/spl \
-I${SYSDIR}/contrib/openzfs/include/os/freebsd/zfs \
-I${SYSDIR}/cddl/contrib/opensolaris/common/lz4 \
-I${BOOTSRC}/i386/boot2 \
-Wall -Waggregate-return -Wbad-function-cast -Wno-cast-align \
-Wmissing-declarations -Wmissing-prototypes -Wnested-externs \
-Wpointer-arith -Wshadow -Wstrict-prototypes -Wwrite-strings
CFLAGS.part.c+= -DHAVE_MEMCPY -I${SRCTOP}/sys/contrib/zlib
CFLAGS.gcc+= --param max-inline-insns-single=100
LD_FLAGS+=${LD_FLAGS_BIN}
CLEANFILES+= zfsboot
zfsboot: zfsboot1 zfsboot2
cat zfsboot1 zfsboot2 > zfsboot
CLEANFILES+= zfsboot1 zfsldr.out zfsldr.o
zfsboot1: zfsldr.out
${OBJCOPY} -S -O binary zfsldr.out ${.TARGET}
zfsldr.out: zfsldr.o
${LD} ${LD_FLAGS} -e start --defsym ORG=${ORG1} -T ${LDSCRIPT} -o ${.TARGET} zfsldr.o
OBJS= zfsboot.o sio.o cons.o bcache.o devopen.o disk.o part.o zfs_cmd.o
CLEANFILES+= zfsboot2 zfsboot.ld zfsboot.ldr zfsboot.bin zfsboot.out \
${OBJS}
# We currently allow 256k bytes for zfsboot - in practice it could be
# any size up to 3.5Mb but keeping it fixed size simplifies zfsldr.
#
BOOT2SIZE= 262144
# i386 standalone support library
LIBI386= ${BOOTOBJ}/i386/libi386/libi386.a
zfsboot2: zfsboot.ld
@set -- `ls -l ${.ALLSRC}`; x=$$((${BOOT2SIZE}-$$5)); \
echo "$$x bytes available"; test $$x -ge 0
${DD} if=${.ALLSRC} of=${.TARGET} bs=${BOOT2SIZE} conv=sync
zfsboot.ld: zfsboot.ldr zfsboot.bin ${BTXKERN}
btxld -v -E ${ORG2} -f bin -b ${BTXKERN} -l zfsboot.ldr \
-o ${.TARGET} -P 1 zfsboot.bin
zfsboot.ldr:
cp /dev/null ${.TARGET}
zfsboot.bin: zfsboot.out
${OBJCOPY} -S -O binary zfsboot.out ${.TARGET}
zfsboot.out: ${BTXCRT} ${OBJS}
${LD} ${LD_FLAGS} --defsym ORG=${ORG2} -T ${LDSCRIPT} -o ${.TARGET} ${.ALLSRC} ${LIBI386} ${LIBSA32}
SRCS= zfsboot.c
.include <bsd.prog.mk>
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