Makefile revision 224131 
117680Spst# $FreeBSD: head/sys/boot/i386/zfsboot/Makefile 224131 2011-07-17 13:50:21Z dim $
217680Spst
317680Spst.PATH:		${.CURDIR}/../boot2 ${.CURDIR}/../common ${.CURDIR}/../../common
417680Spst
517680SpstFILES=		zfsboot
617680Spst
717680SpstNM?=		nm
817680Spst
917680SpstBOOT_COMCONSOLE_PORT?= 0x3f8
1017680SpstBOOT_COMCONSOLE_SPEED?= 9600
1117680SpstB2SIOFMT?=	0x3
1217680Spst
1317680SpstREL1=	0x700
1417680SpstORG1=	0x7c00
1517680SpstORG2=	0x2000
1617680Spst
1717680SpstCFLAGS=	-DBOOTPROG=\"zfsboot\" \
1817680Spst	-Os \
1917680Spst	-fno-guess-branch-probability \
2017680Spst	-fomit-frame-pointer \
21127668Sbms	-fno-unit-at-a-time \
2217680Spst	-mno-align-long-strings \
2317680Spst	-mrtd \
2417680Spst	-DBOOT2 \
2517680Spst	-DSIOPRT=${BOOT_COMCONSOLE_PORT} \
2617680Spst	-DSIOFMT=${B2SIOFMT} \
27127668Sbms	-DSIOSPD=${BOOT_COMCONSOLE_SPEED} \
28127668Sbms	-I${.CURDIR}/../../common \
29127668Sbms	-I${.CURDIR}/../common \
30127668Sbms	-I${.CURDIR}/../../zfs \
31127668Sbms	-I${.CURDIR}/../../../cddl/boot/zfs \
32127668Sbms	-I${.CURDIR}/../btx/lib -I. \
33127668Sbms	-I${.CURDIR}/../boot2 \
34127668Sbms	-Wall -Waggregate-return -Wbad-function-cast -Wcast-align \
35127668Sbms	-Wmissing-declarations -Wmissing-prototypes -Wnested-externs \
36127668Sbms	-Wpointer-arith -Wshadow -Wstrict-prototypes -Wwrite-strings \
37127668Sbms	-Winline --param max-inline-insns-single=100
38127668Sbms
39127668Sbms.if ${CC:T:Mclang} == "clang"
40127668Sbms# XXX: clang integrated-as doesn't grok .codeNN directives yet
41127668SbmsCFLAGS+=	${.IMPSRC:T:Mzfsldr.S:C/^.+$/-no-integrated-as/}
42127668Sbms.endif
43127668Sbms
44127668SbmsLDFLAGS=-static -N --gc-sections
45127668Sbms
46127668Sbms# Pick up ../Makefile.inc early.
47127668Sbms.include <bsd.init.mk>
48127668Sbms
49127668SbmsCLEANFILES=	zfsboot
50127668Sbms
51127668Sbmszfsboot: zfsboot1 zfsboot2
52127668Sbms	cat zfsboot1 zfsboot2 > zfsboot
5317680Spst
54127668SbmsCLEANFILES+=	zfsboot1 zfsldr.out zfsldr.o
5517680Spst
56127668Sbmszfsboot1: zfsldr.out
57127668Sbms	objcopy -S -O binary zfsldr.out ${.TARGET}
58127668Sbms
59127668Sbmszfsldr.out: zfsldr.o
60127668Sbms	${LD} ${LDFLAGS} -e start -Ttext ${ORG1} -o ${.TARGET} zfsldr.o
61127668Sbms
62127668SbmsCLEANFILES+=	zfsboot2 zfsboot.ld zfsboot.ldr zfsboot.bin zfsboot.out \
6317680Spst		zfsboot.o zfsboot.s zfsboot.s.tmp sio.o cons.o drv.o util.o
64127668Sbms
65127668Sbms# We currently allow 65536 bytes for zfsboot - in practice it could be
66127668Sbms# any size up to 3.5Mb but keeping it fixed size simplifies zfsldr.
67127668Sbms# 
68127668SbmsBOOT2SIZE=	65536
69127668Sbms
70127668Sbmszfsboot2: zfsboot.ld
71127668Sbms	@set -- `ls -l zfsboot.ld`; x=$$((${BOOT2SIZE}-$$5)); \
72127668Sbms	    echo "$$x bytes available"; test $$x -ge 0
73127668Sbms	dd if=zfsboot.ld of=${.TARGET} obs=${BOOT2SIZE} conv=osync
74127668Sbms
75127668Sbmszfsboot.ld: zfsboot.ldr zfsboot.bin ${BTXKERN}
76127668Sbms	btxld -v -E ${ORG2} -f bin -b ${BTXKERN} -l zfsboot.ldr \
77127668Sbms	    -o ${.TARGET} -P 1 zfsboot.bin
7898524Sfenner
7917680Spstzfsboot.ldr:
8098524Sfenner	cp /dev/null ${.TARGET}
81127668Sbms
8217680Spstzfsboot.bin: zfsboot.out
8317680Spst	objcopy -S -O binary zfsboot.out ${.TARGET}
84127668Sbms
85127668Sbmszfsboot.out: ${BTXCRT} zfsboot.o sio.o drv.o cons.o util.o
86127668Sbms	${LD} ${LDFLAGS} -Ttext ${ORG2} -o ${.TARGET} ${.ALLSRC} ${LIBSTAND}
8717680Spst
8817680Spstzfsboot.o: zfsboot.s
8917680Spst.if ${CC:T:Mclang} == "clang"
9017680Spst	${CC} ${ACFLAGS} -c zfsboot.s
9117680Spst.endif
92127668Sbms
93127668SbmsSRCS=	zfsboot.c
9417680Spst
95127668Sbmszfsboot.s: zfsboot.c ${.CURDIR}/../../zfs/zfsimpl.c
96127668Sbms	${CC} ${CFLAGS} -S -o zfsboot.s.tmp ${.CURDIR}/zfsboot.c
97127668Sbms	sed -e '/align/d' -e '/nop/d' < zfsboot.s.tmp > zfsboot.s
98127668Sbms	rm -f zfsboot.s.tmp
99
100.if ${MACHINE_CPUARCH} == "amd64"
101beforedepend zfsboot.s: machine
102CLEANFILES+=	machine
103machine:
104	ln -sf ${.CURDIR}/../../../i386/include machine
105.endif
106
107.include <bsd.prog.mk>
108