3 .PATH: ${.CURDIR}/../boot2 ${.CURDIR}/../common ${.CURDIR}/../../common
9 BOOT_COMCONSOLE_PORT?= 0x3f8
10 BOOT_COMCONSOLE_SPEED?= 9600
17 CFLAGS= -DBOOTPROG=\"zfsboot\" \
20 -DSIOPRT=${BOOT_COMCONSOLE_PORT} \
21 -DSIOFMT=${B2SIOFMT} \
22 -DSIOSPD=${BOOT_COMCONSOLE_SPEED} \
23 -I${.CURDIR}/../../common \
24 -I${.CURDIR}/../common \
25 -I${.CURDIR}/../../zfs \
26 -I${.CURDIR}/../../../cddl/boot/zfs \
27 -I${.CURDIR}/../btx/lib -I. \
28 -I${.CURDIR}/../boot2 \
29 -Wall -Waggregate-return -Wbad-function-cast -Wcast-align \
30 -Wmissing-declarations -Wmissing-prototypes -Wnested-externs \
31 -Wpointer-arith -Wshadow -Wstrict-prototypes -Wwrite-strings \
34 CFLAGS.gcc+= --param max-inline-insns-single=100
36 LD_FLAGS=-static -N --gc-sections
38 # Pick up ../Makefile.inc early.
39 .include <bsd.init.mk>
43 zfsboot: zfsboot1 zfsboot2
44 cat zfsboot1 zfsboot2 > zfsboot
46 CLEANFILES+= zfsboot1 zfsldr.out zfsldr.o
49 objcopy -S -O binary zfsldr.out ${.TARGET}
52 ${LD} ${LD_FLAGS} -e start -Ttext ${ORG1} -o ${.TARGET} zfsldr.o
54 CLEANFILES+= zfsboot2 zfsboot.ld zfsboot.ldr zfsboot.bin zfsboot.out \
55 zfsboot.o zfsboot.s zfsboot.s.tmp sio.o cons.o drv.o util.o
57 # We currently allow 65536 bytes for zfsboot - in practice it could be
58 # any size up to 3.5Mb but keeping it fixed size simplifies zfsldr.
63 @set -- `ls -l zfsboot.ld`; x=$$((${BOOT2SIZE}-$$5)); \
64 echo "$$x bytes available"; test $$x -ge 0
65 dd if=zfsboot.ld of=${.TARGET} obs=${BOOT2SIZE} conv=osync
67 zfsboot.ld: zfsboot.ldr zfsboot.bin ${BTXKERN}
68 btxld -v -E ${ORG2} -f bin -b ${BTXKERN} -l zfsboot.ldr \
69 -o ${.TARGET} -P 1 zfsboot.bin
72 cp /dev/null ${.TARGET}
74 zfsboot.bin: zfsboot.out
75 objcopy -S -O binary zfsboot.out ${.TARGET}
77 zfsboot.out: ${BTXCRT} zfsboot.o sio.o drv.o cons.o util.o
78 ${LD} ${LD_FLAGS} -Ttext ${ORG2} -o ${.TARGET} ${.ALLSRC} ${LIBSTAND}
82 .if ${MACHINE_CPUARCH} == "amd64"
83 beforedepend zfsboot.o: machine
86 ln -sf ${.CURDIR}/../../../i386/include machine
89 .include <bsd.prog.mk>
91 # XXX: clang integrated-as doesn't grok .codeNN directives yet
92 CFLAGS.zfsldr.S= ${CLANG_NO_IAS}
93 CFLAGS+= ${CFLAGS.${.IMPSRC:T}}