Makefile revision 169732 
1# $FreeBSD: head/sys/boot/i386/gptboot/Makefile 169732 2007-05-19 05:07:47Z kan $
2
3FILES=		boot boot1 boot2
4
5NM?=		nm
6
7# A value of 0x80 enables LBA support.
8BOOT_BOOT1_FLAGS?=	0x80
9
10BOOT_COMCONSOLE_PORT?= 0x3f8
11BOOT_COMCONSOLE_SPEED?= 9600
12B2SIOFMT?=	0x3
13
14REL1=	0x700
15ORG1=	0x7c00
16ORG2=	0x2000
17
18# Decide level of UFS support.
19BOOT2_UFS?=	UFS1_AND_UFS2
20#BOOT2_UFS?=	UFS2_ONLY
21#BOOT2_UFS?=	UFS1_ONLY
22
23CFLAGS=	-Os \
24	-fno-guess-branch-probability \
25	-fomit-frame-pointer \
26	-fno-unit-at-a-time \
27	-mno-align-long-strings \
28	-mrtd \
29	-mno-mmx -mno-3dnow -mno-sse -mno-sse2 -mno-sse3 \
30	-D${BOOT2_UFS} \
31	-DFLAGS=${BOOT_BOOT1_FLAGS} \
32	-DSIOPRT=${BOOT_COMCONSOLE_PORT} \
33	-DSIOFMT=${B2SIOFMT} \
34	-DSIOSPD=${BOOT_COMCONSOLE_SPEED} \
35	-I${.CURDIR}/../../common \
36	-I${.CURDIR}/../btx/lib -I. \
37	-Wall -Waggregate-return -Wbad-function-cast -Wcast-align \
38	-Wmissing-declarations -Wmissing-prototypes -Wnested-externs \
39	-Wpointer-arith -Wshadow -Wstrict-prototypes -Wwrite-strings \
40	-Winline --param max-inline-insns-single=100
41
42LDFLAGS=-static -N --gc-sections
43
44# Pick up ../Makefile.inc early.
45.include <bsd.init.mk>
46
47CLEANFILES=	boot
48
49boot: boot1 boot2
50	cat boot1 boot2 > boot
51
52CLEANFILES+=	boot1 boot1.out boot1.o
53
54boot1: boot1.out
55	objcopy -S -O binary boot1.out ${.TARGET}
56
57boot1.out: boot1.o
58	${LD} ${LDFLAGS} -e start -Ttext ${ORG1} -o ${.TARGET} boot1.o
59
60CLEANFILES+=	boot2 boot2.ld boot2.ldr boot2.bin boot2.out boot2.o \
61		boot2.s boot2.s.tmp boot2.h sio.o
62
63boot2: boot2.ld
64	@set -- `ls -l boot2.ld`; x=$$((7680-$$5)); \
65	    echo "$$x bytes available"; test $$x -ge 0
66	dd if=boot2.ld of=${.TARGET} obs=7680 conv=osync
67
68boot2.ld: boot2.ldr boot2.bin ${BTXKERN}
69	btxld -v -E ${ORG2} -f bin -b ${BTXKERN} -l boot2.ldr \
70	    -o ${.TARGET} -P 1 boot2.bin
71
72boot2.ldr:
73	dd if=/dev/zero of=${.TARGET} bs=276 count=1
74
75boot2.bin: boot2.out
76	objcopy -S -O binary boot2.out ${.TARGET}
77
78boot2.out: ${BTXCRT} boot2.o sio.o
79	${LD} ${LDFLAGS} -Ttext ${ORG2} -o ${.TARGET} ${.ALLSRC}
80
81boot2.o: boot2.s
82
83SRCS=	boot2.c boot2.h
84
85boot2.s: boot2.c boot2.h ${.CURDIR}/../../common/ufsread.c
86	${CC} ${CFLAGS} -S -o boot2.s.tmp ${.CURDIR}/boot2.c
87	sed -e '/align/d' -e '/nop/d' < boot2.s.tmp > boot2.s
88	rm -f boot2.s.tmp
89
90boot2.h: boot1.out
91	${NM} -t d ${.ALLSRC} | awk '/([0-9])+ T xread/ \
92	    { x = $$1 - ORG1; \
93	    printf("#define XREADORG %#x\n", REL1 + x) }' \
94	    ORG1=`printf "%d" ${ORG1}` \
95	    REL1=`printf "%d" ${REL1}` > ${.TARGET}
96
97.if ${MACHINE_ARCH} == "amd64"
98beforedepend boot2.s: machine
99CLEANFILES+=	machine
100machine:
101	ln -sf ${.CURDIR}/../../../i386/include machine
102.endif
103
104.include <bsd.prog.mk>
105