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[FreeBSD/releng/10.2.git] / sys / boot / i386 / zfsboot / Makefile
1 # $FreeBSD$
2
3 .PATH:          ${.CURDIR}/../boot2 ${.CURDIR}/../common ${.CURDIR}/../../common
4
5 FILES=          zfsboot
6 MAN=            zfsboot.8
7
8 NM?=            nm
9
10 BOOT_COMCONSOLE_PORT?= 0x3f8
11 BOOT_COMCONSOLE_SPEED?= 9600
12 B2SIOFMT?=      0x3
13
14 REL1=   0x700
15 ORG1=   0x7c00
16 ORG2=   0x2000
17
18 CFLAGS= -DBOOTPROG=\"zfsboot\" \
19         -O1 \
20         -DBOOT2 \
21         -DSIOPRT=${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 \
33         -Winline
34
35 CFLAGS.gcc+=    --param max-inline-insns-single=100
36
37 LD_FLAGS=-static -N --gc-sections
38
39 LIBSTAND=       ${.OBJDIR}/../../libstand32/libstand.a
40
41 # Pick up ../Makefile.inc early.
42 .include <bsd.init.mk>
43
44 CLEANFILES=     zfsboot
45
46 zfsboot: zfsboot1 zfsboot2
47         cat zfsboot1 zfsboot2 > zfsboot
48
49 CLEANFILES+=    zfsboot1 zfsldr.out zfsldr.o
50
51 zfsboot1: zfsldr.out
52         ${OBJCOPY} -S -O binary zfsldr.out ${.TARGET}
53
54 zfsldr.out: zfsldr.o
55         ${LD} ${LD_FLAGS} -e start -Ttext ${ORG1} -o ${.TARGET} zfsldr.o
56
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
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
63 BOOT2SIZE=      65536
64
65 zfsboot2: 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
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
73
74 zfsboot.ldr:
75         cp /dev/null ${.TARGET}
76
77 zfsboot.bin: zfsboot.out
78         ${OBJCOPY} -S -O binary zfsboot.out ${.TARGET}
79
80 zfsboot.out: ${BTXCRT} zfsboot.o sio.o drv.o cons.o util.o
81         ${LD} ${LD_FLAGS} -Ttext ${ORG2} -o ${.TARGET} ${.ALLSRC} ${LIBSTAND}
82
83 SRCS=   zfsboot.c
84
85 .if ${MACHINE_CPUARCH} == "amd64"
86 beforedepend zfsboot.o: machine
87 CLEANFILES+=    machine
88 machine:
89         ln -sf ${.CURDIR}/../../../i386/include machine
90 .endif
91
92 .include <bsd.prog.mk>
93
94 # XXX: clang integrated-as doesn't grok .codeNN directives yet
95 CFLAGS.zfsldr.S=        ${CLANG_NO_IAS}
96 CFLAGS+=                ${CFLAGS.${.IMPSRC:T}}