Makefile revision 260497 
1# $FreeBSD: stable/10/sys/boot/i386/zfsboot/Makefile 260497 2014-01-09 23:08:56Z dim $
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
33
34CFLAGS.gcc+=	--param max-inline-insns-single=100
35
36LD_FLAGS=-static -N --gc-sections
37
38# Pick up ../Makefile.inc early.
39.include <bsd.init.mk>
40
41CLEANFILES=	zfsboot
42
43zfsboot: zfsboot1 zfsboot2
44	cat zfsboot1 zfsboot2 > zfsboot
45
46CLEANFILES+=	zfsboot1 zfsldr.out zfsldr.o
47
48zfsboot1: zfsldr.out
49	objcopy -S -O binary zfsldr.out ${.TARGET}
50
51zfsldr.out: zfsldr.o
52	${LD} ${LD_FLAGS} -e start -Ttext ${ORG1} -o ${.TARGET} zfsldr.o
53
54CLEANFILES+=	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
56
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.
59# 
60BOOT2SIZE=	65536
61
62zfsboot2: zfsboot.ld
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
66
67zfsboot.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
70
71zfsboot.ldr:
72	cp /dev/null ${.TARGET}
73
74zfsboot.bin: zfsboot.out
75	objcopy -S -O binary zfsboot.out ${.TARGET}
76
77zfsboot.out: ${BTXCRT} zfsboot.o sio.o drv.o cons.o util.o
78	${LD} ${LD_FLAGS} -Ttext ${ORG2} -o ${.TARGET} ${.ALLSRC} ${LIBSTAND}
79
80SRCS=	zfsboot.c
81
82.if ${MACHINE_CPUARCH} == "amd64"
83beforedepend zfsboot.o: machine
84CLEANFILES+=	machine
85machine:
86	ln -sf ${.CURDIR}/../../../i386/include machine
87.endif
88
89.include <bsd.prog.mk>
90
91# XXX: clang integrated-as doesn't grok .codeNN directives yet
92CFLAGS.zfsldr.S=	${CLANG_NO_IAS}
93CFLAGS+=		${CFLAGS.${.IMPSRC:T}}
94