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 LIBSTAND= ${.OBJDIR}/../../libstand32/libstand.a
41 # Pick up ../Makefile.inc early.
42 .include <bsd.init.mk>
46 zfsboot: zfsboot1 zfsboot2
47 cat zfsboot1 zfsboot2 > zfsboot
49 CLEANFILES+= zfsboot1 zfsldr.out zfsldr.o
52 ${OBJCOPY} -S -O binary zfsldr.out ${.TARGET}
55 ${LD} ${LD_FLAGS} -e start -Ttext ${ORG1} -o ${.TARGET} zfsldr.o
57 CLEANFILES+= zfsboot2 zfsboot.ld zfsboot.ldr zfsboot.bin zfsboot.out \
58 zfsboot.o zfsboot.s zfsboot.s.tmp sio.o cons.o drv.o util.o
60 # We currently allow 65536 bytes for zfsboot - in practice it could be
61 # any size up to 3.5Mb but keeping it fixed size simplifies zfsldr.
66 @set -- `ls -l zfsboot.ld`; x=$$((${BOOT2SIZE}-$$5)); \
67 echo "$$x bytes available"; test $$x -ge 0
68 dd if=zfsboot.ld of=${.TARGET} obs=${BOOT2SIZE} conv=osync
70 zfsboot.ld: zfsboot.ldr zfsboot.bin ${BTXKERN}
71 btxld -v -E ${ORG2} -f bin -b ${BTXKERN} -l zfsboot.ldr \
72 -o ${.TARGET} -P 1 zfsboot.bin
75 cp /dev/null ${.TARGET}
77 zfsboot.bin: zfsboot.out
78 ${OBJCOPY} -S -O binary zfsboot.out ${.TARGET}
80 zfsboot.out: ${BTXCRT} zfsboot.o sio.o drv.o cons.o util.o
81 ${LD} ${LD_FLAGS} -Ttext ${ORG2} -o ${.TARGET} ${.ALLSRC} ${LIBSTAND}
85 .if ${MACHINE_CPUARCH} == "amd64"
86 beforedepend zfsboot.o: machine
89 ln -sf ${.CURDIR}/../../../i386/include machine
92 .include <bsd.prog.mk>
94 # XXX: clang integrated-as doesn't grok .codeNN directives yet
95 CFLAGS.zfsldr.S= ${CLANG_NO_IAS}
96 CFLAGS+= ${CFLAGS.${.IMPSRC:T}}