1185029Spjd# $FreeBSD$
2185029Spjd
3213136Spjd.PATH:		${.CURDIR}/../boot2 ${.CURDIR}/../common ${.CURDIR}/../../common
4185029Spjd
5185029SpjdFILES=		zfsboot
6185029Spjd
7185029SpjdNM?=		nm
8185029Spjd
9185029SpjdBOOT_COMCONSOLE_PORT?= 0x3f8
10185029SpjdBOOT_COMCONSOLE_SPEED?= 9600
11185029SpjdB2SIOFMT?=	0x3
12185029Spjd
13185029SpjdREL1=	0x700
14185029SpjdORG1=	0x7c00
15185029SpjdORG2=	0x2000
16185029Spjd
17213136SpjdCFLAGS=	-DBOOTPROG=\"zfsboot\" \
18225530Savg	-O1 \
19185029Spjd	-DBOOT2 \
20185029Spjd	-DSIOPRT=${BOOT_COMCONSOLE_PORT} \
21185029Spjd	-DSIOFMT=${B2SIOFMT} \
22185029Spjd	-DSIOSPD=${BOOT_COMCONSOLE_SPEED} \
23213136Spjd	-I${.CURDIR}/../../common \
24213136Spjd	-I${.CURDIR}/../common \
25185029Spjd	-I${.CURDIR}/../../zfs \
26185029Spjd	-I${.CURDIR}/../../../cddl/boot/zfs \
27185029Spjd	-I${.CURDIR}/../btx/lib -I. \
28185029Spjd	-I${.CURDIR}/../boot2 \
29185029Spjd	-Wall -Waggregate-return -Wbad-function-cast -Wcast-align \
30185029Spjd	-Wmissing-declarations -Wmissing-prototypes -Wnested-externs \
31185029Spjd	-Wpointer-arith -Wshadow -Wstrict-prototypes -Wwrite-strings \
32185029Spjd	-Winline --param max-inline-insns-single=100
33185029Spjd
34185029SpjdLDFLAGS=-static -N --gc-sections
35185029Spjd
36185029Spjd# Pick up ../Makefile.inc early.
37185029Spjd.include <bsd.init.mk>
38185029Spjd
39185029SpjdCLEANFILES=	zfsboot
40185029Spjd
41185029Spjdzfsboot: zfsboot1 zfsboot2
42185029Spjd	cat zfsboot1 zfsboot2 > zfsboot
43185029Spjd
44185029SpjdCLEANFILES+=	zfsboot1 zfsldr.out zfsldr.o
45185029Spjd
46185029Spjdzfsboot1: zfsldr.out
47185029Spjd	objcopy -S -O binary zfsldr.out ${.TARGET}
48185029Spjd
49185029Spjdzfsldr.out: zfsldr.o
50223611Sjhb	${LD} ${LDFLAGS} -e start -Ttext ${ORG1} -o ${.TARGET} zfsldr.o
51185029Spjd
52185029SpjdCLEANFILES+=	zfsboot2 zfsboot.ld zfsboot.ldr zfsboot.bin zfsboot.out \
53221177Sjhb		zfsboot.o zfsboot.s zfsboot.s.tmp sio.o cons.o drv.o util.o
54185029Spjd
55219703Sae# We currently allow 65536 bytes for zfsboot - in practice it could be
56185029Spjd# any size up to 3.5Mb but keeping it fixed size simplifies zfsldr.
57185029Spjd# 
58219089SpjdBOOT2SIZE=	65536
59185029Spjd
60185029Spjdzfsboot2: zfsboot.ld
61185029Spjd	@set -- `ls -l zfsboot.ld`; x=$$((${BOOT2SIZE}-$$5)); \
62185029Spjd	    echo "$$x bytes available"; test $$x -ge 0
63185029Spjd	dd if=zfsboot.ld of=${.TARGET} obs=${BOOT2SIZE} conv=osync
64185029Spjd
65185029Spjdzfsboot.ld: zfsboot.ldr zfsboot.bin ${BTXKERN}
66185029Spjd	btxld -v -E ${ORG2} -f bin -b ${BTXKERN} -l zfsboot.ldr \
67185029Spjd	    -o ${.TARGET} -P 1 zfsboot.bin
68185029Spjd
69185029Spjdzfsboot.ldr:
70185029Spjd	cp /dev/null ${.TARGET}
71185029Spjd
72185029Spjdzfsboot.bin: zfsboot.out
73185029Spjd	objcopy -S -O binary zfsboot.out ${.TARGET}
74185029Spjd
75213136Spjdzfsboot.out: ${BTXCRT} zfsboot.o sio.o drv.o cons.o util.o
76186243Sdfr	${LD} ${LDFLAGS} -Ttext ${ORG2} -o ${.TARGET} ${.ALLSRC} ${LIBSTAND}
77185029Spjd
78221177SjhbSRCS=	zfsboot.c
79185029Spjd
80211677Simp.if ${MACHINE_CPUARCH} == "amd64"
81225530Savgbeforedepend zfsboot.o: machine
82185029SpjdCLEANFILES+=	machine
83185029Spjdmachine:
84185029Spjd	ln -sf ${.CURDIR}/../../../i386/include machine
85185029Spjd.endif
86185029Spjd
87185029Spjd.include <bsd.prog.mk>
88232263Sdim
89232263Sdim# XXX: clang integrated-as doesn't grok .codeNN directives yet
90232263SdimCFLAGS.zfsldr.S=	${CLANG_NO_IAS}
91232263SdimCFLAGS+=		${CFLAGS.${.IMPSRC:T}}
92