Makefile revision 225530 
1# $FreeBSD: head/sys/boot/i386/zfsboot/Makefile 225530 2011-09-13 14:03:55Z avg $
2
3.PATH:		${.CURDIR}/../boot2 ${.CURDIR}/../common ${.CURDIR}/../../common
4
5FILES=		zfsboot
6
7NM?=		nm
8
9BOOT_COMCONSOLE_PORT?= 0x3f8
10BOOT_COMCONSOLE_SPEED?= 9600
11B2SIOFMT?=	0x3
12
13REL1=	0x700
14ORG1=	0x7c00
15ORG2=	0x2000
16
17CFLAGS=	-DBOOTPROG=\"zfsboot\" \
18	-O1 \
19	-DBOOT2 \
20	-DSIOPRT=${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 \
32	-Winline --param max-inline-insns-single=100
33
34.if ${CC:T:Mclang} == "clang"
35# XXX: clang integrated-as doesn't grok .codeNN directives yet
36CFLAGS+=	${.IMPSRC:T:Mzfsldr.S:C/^.+$/-no-integrated-as/}
37.endif
38
39LDFLAGS=-static -N --gc-sections
40
41# Pick up ../Makefile.inc early.
42.include <bsd.init.mk>
43
44CLEANFILES=	zfsboot
45
46zfsboot: zfsboot1 zfsboot2
47	cat zfsboot1 zfsboot2 > zfsboot
48
49CLEANFILES+=	zfsboot1 zfsldr.out zfsldr.o
50
51zfsboot1: zfsldr.out
52	objcopy -S -O binary zfsldr.out ${.TARGET}
53
54zfsldr.out: zfsldr.o
55	${LD} ${LDFLAGS} -e start -Ttext ${ORG1} -o ${.TARGET} zfsldr.o
56
57CLEANFILES+=	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
59
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.
62# 
63BOOT2SIZE=	65536
64
65zfsboot2: zfsboot.ld
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
69
70zfsboot.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
73
74zfsboot.ldr:
75	cp /dev/null ${.TARGET}
76
77zfsboot.bin: zfsboot.out
78	objcopy -S -O binary zfsboot.out ${.TARGET}
79
80zfsboot.out: ${BTXCRT} zfsboot.o sio.o drv.o cons.o util.o
81	${LD} ${LDFLAGS} -Ttext ${ORG2} -o ${.TARGET} ${.ALLSRC} ${LIBSTAND}
82
83SRCS=	zfsboot.c
84
85.if ${MACHINE_CPUARCH} == "amd64"
86beforedepend zfsboot.o: machine
87CLEANFILES+=	machine
88machine:
89	ln -sf ${.CURDIR}/../../../i386/include machine
90.endif
91
92.include <bsd.prog.mk>
93