3 .PATH: ${.CURDIR}/../boot2 ${.CURDIR}/../common ${.CURDIR}/../../common
9 # A value of 0x80 enables LBA support.
10 BOOT_BOOT1_FLAGS?= 0x80
12 BOOT_COMCONSOLE_PORT?= 0x3f8
13 BOOT_COMCONSOLE_SPEED?= 9600
20 CFLAGS= -DBOOTPROG=\"zfsboot\" \
22 -fno-guess-branch-probability \
23 -fomit-frame-pointer \
25 -mno-align-long-strings \
27 -mno-mmx -mno-3dnow -mno-sse -mno-sse2 -mno-sse3 \
29 -DFLAGS=${BOOT_BOOT1_FLAGS} \
30 -DSIOPRT=${BOOT_COMCONSOLE_PORT} \
31 -DSIOFMT=${B2SIOFMT} \
32 -DSIOSPD=${BOOT_COMCONSOLE_SPEED} \
33 -I${.CURDIR}/../../common \
34 -I${.CURDIR}/../common \
35 -I${.CURDIR}/../../zfs \
36 -I${.CURDIR}/../../../cddl/boot/zfs \
37 -I${.CURDIR}/../btx/lib -I. \
38 -I${.CURDIR}/../boot2 \
39 -Wall -Waggregate-return -Wbad-function-cast -Wcast-align \
40 -Wmissing-declarations -Wmissing-prototypes -Wnested-externs \
41 -Wpointer-arith -Wshadow -Wstrict-prototypes -Wwrite-strings \
42 -Winline --param max-inline-insns-single=100
44 LDFLAGS=-static -N --gc-sections
46 # Pick up ../Makefile.inc early.
47 .include <bsd.init.mk>
51 zfsboot: zfsboot1 zfsboot2
52 cat zfsboot1 zfsboot2 > zfsboot
54 CLEANFILES+= zfsboot1 zfsldr.out zfsldr.o
57 objcopy -S -O binary zfsldr.out ${.TARGET}
60 ${LD} ${LDFLAGS} -e start -Ttext ${ORG1} -o ${.TARGET} zfsldr.o
62 CLEANFILES+= zfsboot2 zfsboot.ld zfsboot.ldr zfsboot.bin zfsboot.out \
63 zfsboot.o zfsboot.s zfsboot.s.tmp xreadorg.h sio.o
65 # We currently allow 32768 bytes for zfsboot - in practice it could be
66 # any size up to 3.5Mb but keeping it fixed size simplifies zfsldr.
71 @set -- `ls -l zfsboot.ld`; x=$$((${BOOT2SIZE}-$$5)); \
72 echo "$$x bytes available"; test $$x -ge 0
73 dd if=zfsboot.ld of=${.TARGET} obs=${BOOT2SIZE} conv=osync
75 zfsboot.ld: zfsboot.ldr zfsboot.bin ${BTXKERN}
76 btxld -v -E ${ORG2} -f bin -b ${BTXKERN} -l zfsboot.ldr \
77 -o ${.TARGET} -P 1 zfsboot.bin
80 cp /dev/null ${.TARGET}
82 zfsboot.bin: zfsboot.out
83 objcopy -S -O binary zfsboot.out ${.TARGET}
85 zfsboot.out: ${BTXCRT} zfsboot.o sio.o drv.o cons.o util.o
86 ${LD} ${LDFLAGS} -Ttext ${ORG2} -o ${.TARGET} ${.ALLSRC} ${LIBSTAND}
90 SRCS= zfsboot.c xreadorg.h
92 zfsboot.s: zfsboot.c xreadorg.h ${.CURDIR}/../../zfs/zfsimpl.c
93 ${CC} ${CFLAGS} -S -o zfsboot.s.tmp ${.CURDIR}/zfsboot.c
94 sed -e '/align/d' -e '/nop/d' < zfsboot.s.tmp > zfsboot.s
97 xreadorg.h: zfsldr.out
98 ${NM} -t d ${.ALLSRC} | awk '/([0-9])+ T xread/ \
100 printf("#define XREADORG %#x\n", REL1 + x) }' \
101 ORG1=`printf "%d" ${ORG1}` \
102 REL1=`printf "%d" ${REL1}` > ${.TARGET}
104 .if ${MACHINE_ARCH} == "amd64"
105 beforedepend zfsboot.s: machine
108 ln -sf ${.CURDIR}/../../../i386/include machine
111 .include <bsd.prog.mk>