xref: /freebsd/stand/i386/zfsboot/Makefile (revision f39bffc62c1395bde25d152c7f68fdf7cbaab414) 
1# $FreeBSD$
2
3HAVE_GELI=yes
4
5.include <bsd.init.mk>
6
7.PATH:		${BOOTSRC}/i386/boot2 ${BOOTSRC}/i386/common ${SASRC}
8
9FILES=		zfsboot
10MAN=		zfsboot.8
11
12NM?=		nm
13
14BOOT_COMCONSOLE_PORT?= 0x3f8
15BOOT_COMCONSOLE_SPEED?= 9600
16B2SIOFMT?=	0x3
17
18REL1=	0x700
19ORG1=	0x7c00
20ORG2=	0x2000
21
22CFLAGS+=-DBOOTPROG=\"zfsboot\" \
23	-O1 \
24	-DZFS -DBOOT2 \
25	-DSIOPRT=${BOOT_COMCONSOLE_PORT} \
26	-DSIOFMT=${B2SIOFMT} \
27	-DSIOSPD=${BOOT_COMCONSOLE_SPEED} \
28	-I${LDRSRC} \
29	-I${BOOTSRC}/i386/common \
30	-I${BOOTSRC}/i386 \
31	-I${ZFSSRC} \
32	-I${SYSDIR}/crypto/skein \
33	-I${SYSDIR}/cddl/boot/zfs \
34	-I${BOOTSRC}/i386/boot2 \
35	-Wall -Waggregate-return -Wbad-function-cast -Wno-cast-align \
36	-Wmissing-declarations -Wmissing-prototypes -Wnested-externs \
37	-Wpointer-arith -Wshadow -Wstrict-prototypes -Wwrite-strings
38
39CFLAGS.gcc+=	--param max-inline-insns-single=100
40.if ${MACHINE} == "amd64"
41LIBZFSBOOT=${BOOTOBJ}/zfs32/libzfsboot.a
42.else
43LIBZFSBOOT=${BOOTOBJ}/zfs/libzfsboot.a
44.endif
45
46LD_FLAGS+=${LD_FLAGS_BIN}
47
48CLEANFILES+=	zfsboot
49
50zfsboot: zfsboot1 zfsboot2
51	cat zfsboot1 zfsboot2 > zfsboot
52
53CLEANFILES+=	zfsboot1 zfsldr.out zfsldr.o
54
55zfsboot1: zfsldr.out
56	${OBJCOPY} -S -O binary zfsldr.out ${.TARGET}
57
58zfsldr.out: zfsldr.o
59	${LD} ${LD_FLAGS} -e start -Ttext ${ORG1} -o ${.TARGET} zfsldr.o
60
61CLEANFILES+=	zfsboot2 zfsboot.ld zfsboot.ldr zfsboot.bin zfsboot.out \
62		zfsboot.o zfsboot.s zfsboot.s.tmp sio.o cons.o drv.o
63
64# We currently allow 256k bytes for zfsboot - in practice it could be
65# any size up to 3.5Mb but keeping it fixed size simplifies zfsldr.
66#
67BOOT2SIZE=	262144
68
69zfsboot2: zfsboot.ld
70	@set -- `ls -l ${.ALLSRC}`; x=$$((${BOOT2SIZE}-$$5)); \
71	    echo "$$x bytes available"; test $$x -ge 0
72	${DD} if=${.ALLSRC} of=${.TARGET} obs=${BOOT2SIZE} conv=osync
73
74zfsboot.ld: zfsboot.ldr zfsboot.bin ${BTXKERN}
75	btxld -v -E ${ORG2} -f bin -b ${BTXKERN} -l zfsboot.ldr \
76	    -o ${.TARGET} -P 1 zfsboot.bin
77
78zfsboot.ldr:
79	cp /dev/null ${.TARGET}
80
81zfsboot.bin: zfsboot.out
82	${OBJCOPY} -S -O binary zfsboot.out ${.TARGET}
83
84zfsboot.out: ${BTXCRT} zfsboot.o sio.o drv.o cons.o
85	${LD} ${LD_FLAGS} -Ttext ${ORG2} -o ${.TARGET} ${.ALLSRC} ${LIBZFSBOOT} ${LIBGELIBOOT} ${LIBSA32}
86
87SRCS=	zfsboot.c
88
89.include <bsd.prog.mk>
90
91# XXX: clang integrated-as doesn't grok .codeNN directives yet
92CFLAGS.zfsldr.S=	${CLANG_NO_IAS}
93