3 .PATH: ${.CURDIR}/../boot2 ${.CURDIR}/../common ${.CURDIR}/../../common
10 BOOT_COMCONSOLE_PORT?= 0x3f8
11 BOOT_COMCONSOLE_SPEED?= 9600
18 CFLAGS= -DBOOTPROG=\"zfsboot\" \
21 -DSIOPRT=${BOOT_COMCONSOLE_PORT} \
22 -DSIOFMT=${B2SIOFMT} \
23 -DSIOSPD=${BOOT_COMCONSOLE_SPEED} \
24 -I${.CURDIR}/../../common \
25 -I${.CURDIR}/../common \
26 -I${.CURDIR}/../../zfs \
27 -I${.CURDIR}/../../../cddl/boot/zfs \
28 -I${.CURDIR}/../btx/lib -I. \
29 -I${.CURDIR}/../boot2 \
30 -Wall -Waggregate-return -Wbad-function-cast -Wcast-align \
31 -Wmissing-declarations -Wmissing-prototypes -Wnested-externs \
32 -Wpointer-arith -Wshadow -Wstrict-prototypes -Wwrite-strings \
35 CFLAGS.gcc+= --param max-inline-insns-single=100
37 LD_FLAGS=-static -N --gc-sections
39 # Pick up ../Makefile.inc early.
40 .include <bsd.init.mk>
44 zfsboot: zfsboot1 zfsboot2
45 cat zfsboot1 zfsboot2 > zfsboot
47 CLEANFILES+= zfsboot1 zfsldr.out zfsldr.o
50 objcopy -S -O binary zfsldr.out ${.TARGET}
53 ${LD} ${LD_FLAGS} -e start -Ttext ${ORG1} -o ${.TARGET} zfsldr.o
55 CLEANFILES+= zfsboot2 zfsboot.ld zfsboot.ldr zfsboot.bin zfsboot.out \
56 zfsboot.o zfsboot.s zfsboot.s.tmp sio.o cons.o drv.o util.o
58 # We currently allow 65536 bytes for zfsboot - in practice it could be
59 # any size up to 3.5Mb but keeping it fixed size simplifies zfsldr.
64 @set -- `ls -l zfsboot.ld`; x=$$((${BOOT2SIZE}-$$5)); \
65 echo "$$x bytes available"; test $$x -ge 0
66 dd if=zfsboot.ld of=${.TARGET} obs=${BOOT2SIZE} conv=osync
68 zfsboot.ld: zfsboot.ldr zfsboot.bin ${BTXKERN}
69 btxld -v -E ${ORG2} -f bin -b ${BTXKERN} -l zfsboot.ldr \
70 -o ${.TARGET} -P 1 zfsboot.bin
73 cp /dev/null ${.TARGET}
75 zfsboot.bin: zfsboot.out
76 objcopy -S -O binary zfsboot.out ${.TARGET}
78 zfsboot.out: ${BTXCRT} zfsboot.o sio.o drv.o cons.o util.o
79 ${LD} ${LD_FLAGS} -Ttext ${ORG2} -o ${.TARGET} ${.ALLSRC} ${LIBSTAND}
83 .if ${MACHINE_CPUARCH} == "amd64"
84 beforedepend zfsboot.o: machine
87 ln -sf ${.CURDIR}/../../../i386/include machine
90 .include <bsd.prog.mk>
92 # XXX: clang integrated-as doesn't grok .codeNN directives yet
93 CFLAGS.zfsldr.S= ${CLANG_NO_IAS}
94 CFLAGS+= ${CFLAGS.${.IMPSRC:T}}