3 .PATH: ${.CURDIR}/../boot2
9 # A value of 0x80 enables LBA support.
10 BOOT_BOOT1_FLAGS?= 0x80
12 BOOT_COMCONSOLE_PORT?= 0x3f8
13 BOOT_COMCONSOLE_SPEED?= 9600
21 -fno-guess-branch-probability \
22 -fomit-frame-pointer \
24 -mno-align-long-strings \
26 -mno-mmx -mno-3dnow -mno-sse -mno-sse2 -mno-sse3 \
28 -DFLAGS=${BOOT_BOOT1_FLAGS} \
29 -DSIOPRT=${BOOT_COMCONSOLE_PORT} \
30 -DSIOFMT=${B2SIOFMT} \
31 -DSIOSPD=${BOOT_COMCONSOLE_SPEED} \
32 -I${.CURDIR}/../../zfs \
33 -I${.CURDIR}/../../../cddl/boot/zfs \
34 -I${.CURDIR}/../btx/lib -I. \
35 -I${.CURDIR}/../boot2 \
36 -Wall -Waggregate-return -Wbad-function-cast -Wcast-align \
37 -Wmissing-declarations -Wmissing-prototypes -Wnested-externs \
38 -Wpointer-arith -Wshadow -Wstrict-prototypes -Wwrite-strings \
39 -Winline --param max-inline-insns-single=100
41 LDFLAGS=-static -N --gc-sections
43 # Pick up ../Makefile.inc early.
44 .include <bsd.init.mk>
48 zfsboot: zfsboot1 zfsboot2
49 cat zfsboot1 zfsboot2 > zfsboot
51 CLEANFILES+= zfsboot1 zfsldr.out zfsldr.o
54 objcopy -S -O binary zfsldr.out ${.TARGET}
57 ${LD} ${LDFLAGS} -e start -Ttext ${ORG1} -o ${.TARGET} zfsldr.o
59 CLEANFILES+= zfsboot2 zfsboot.ld zfsboot.ldr zfsboot.bin zfsboot.out \
60 zfsboot.o zfsboot.s zfsboot.s.tmp zfsboot.h sio.o
62 # We currently allow 32768 bytes for zfsboot - in practice it could be
63 # any size up to 3.5Mb but keeping it fixed size simplifies zfsldr.
68 @set -- `ls -l zfsboot.ld`; x=$$((${BOOT2SIZE}-$$5)); \
69 echo "$$x bytes available"; test $$x -ge 0
70 dd if=zfsboot.ld of=${.TARGET} obs=${BOOT2SIZE} conv=osync
72 zfsboot.ld: zfsboot.ldr zfsboot.bin ${BTXKERN}
73 btxld -v -E ${ORG2} -f bin -b ${BTXKERN} -l zfsboot.ldr \
74 -o ${.TARGET} -P 1 zfsboot.bin
77 cp /dev/null ${.TARGET}
79 zfsboot.bin: zfsboot.out
80 objcopy -S -O binary zfsboot.out ${.TARGET}
82 zfsboot.out: ${BTXCRT} zfsboot.o sio.o
83 ${LD} ${LDFLAGS} -Ttext ${ORG2} -o ${.TARGET} ${.ALLSRC} ${LIBSTAND}
87 SRCS= zfsboot.c zfsboot.h
89 zfsboot.s: zfsboot.c zfsboot.h ${.CURDIR}/../../zfs/zfsimpl.c
90 ${CC} ${CFLAGS} -S -o zfsboot.s.tmp ${.CURDIR}/zfsboot.c
91 sed -e '/align/d' -e '/nop/d' < zfsboot.s.tmp > zfsboot.s
95 ${NM} -t d ${.ALLSRC} | awk '/([0-9])+ T xread/ \
97 printf("#define XREADORG %#x\n", REL1 + x) }' \
98 ORG1=`printf "%d" ${ORG1}` \
99 REL1=`printf "%d" ${REL1}` > ${.TARGET}
101 .if ${MACHINE_ARCH} == "amd64"
102 beforedepend zfsboot.s: machine
105 ln -sf ${.CURDIR}/../../../i386/include machine
108 .include <bsd.prog.mk>