Makefile revision 125517 
1# $FreeBSD: head/sys/boot/i386/gptboot/Makefile 125517 2004-02-06 12:58:32Z ru $
2
3PROG=		boot2
4NOMAN=
5STRIP=
6BINMODE=	444
7CLEANFILES=	boot boot1 boot1.out boot1.o \
8		boot2.ldr boot2.bin boot2.ld boot2.out boot2.o boot2.h \
9		boot2.s sio.o
10
11NM?=		nm
12
13# A value of 0x80 enables LBA support.
14B1FLAGS=	0x80
15
16BOOT_COMCONSOLE_PORT?= 0x3f8
17BOOT_COMCONSOLE_SPEED?= 9600
18B2SIOFMT?=	0x3
19
20.if exists(${.OBJDIR}/../btx)
21BTX=	${.OBJDIR}/../btx
22.else
23BTX=	${.CURDIR}/../btx
24.endif
25
26REL1=	0x700
27ORG1=	0x7c00
28ORG2=	0x2000
29
30# Decide Level of UFS support.  UFS1_AND_UFS2 doesn't fit.
31
32# BOOT2_UFS?=	UFS2_ONLY
33BOOT2_UFS?=	UFS1_AND_UFS2
34# BOOT2_UFS?=	UFS1_ONLY
35
36CFLAGS=	-elf -ffreestanding -Os -fno-builtin \
37	-fno-guess-branch-probability -fomit-frame-pointer\
38	-mno-align-long-strings \
39	-mrtd \
40	-D${BOOT2_UFS} \
41	-I${.CURDIR}/../../common \
42	-I${.CURDIR}/../btx/lib -I. \
43	-Wall -Waggregate-return -Wbad-function-cast -Wcast-align \
44	-Wmissing-declarations -Wmissing-prototypes -Wnested-externs \
45	-Wpointer-arith -Wshadow -Wstrict-prototypes -Wwrite-strings
46
47LDFLAGS=-nostdlib -static -N --gc-sections
48
49all: boot1 boot2 boot
50
51boot: boot1 boot2
52	cat boot1 boot2 > boot
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
60boot1.o: boot1.s
61	${CPP} ${CFLAGS} ${.IMPSRC} | \
62	    ${AS} ${AFLAGS} --defsym FLAGS=${B1FLAGS} -o ${.TARGET}
63
64boot2.o: boot2.c ${.CURDIR}/../../common/ufsread.c
65	${CC} ${CFLAGS} -S -o boot2.s.tmp ${.IMPSRC}
66	sed -e '/align/d' -e '/nop/d' < boot2.s.tmp > boot2.s
67	rm -f boot2.s.tmp
68	${AS} ${AFLAGS} -o boot2.o boot2.s
69
70boot2.h: boot1.out
71	${NM} -t d ${.ALLSRC} | awk '/([0-9])+ T xread/ \
72	 	{ x = $$1 - ORG1; \
73		printf("#define XREADORG %#x\n", REL1 + x) }' \
74	 	ORG1=`printf "%d" ${ORG1}` \
75		REL1=`printf "%d" ${REL1}` > boot2.h
76
77boot2: boot2.ldr boot2.bin ${BTX}/btx/btx
78	btxld -v -E ${ORG2} -f bin -b ${BTX}/btx/btx -l boot2.ldr \
79		-o boot2.ld -P 1 boot2.bin
80	@ls -l boot2.ld | awk '{ x = 7680 - $$5; \
81		print x " bytes available"; if (x < 0) exit 1 }'
82	dd if=boot2.ld of=${.TARGET} obs=7680 conv=osync 2>/dev/null
83
84boot2.ldr:
85	dd if=/dev/zero of=${.TARGET} bs=276 count=1 2>/dev/null
86
87boot2.bin: boot2.out
88	objcopy -S -O binary boot2.out ${.TARGET}
89
90boot2.out: boot2.o sio.o
91	${LD} ${LDFLAGS} -Ttext ${ORG2} -o ${.TARGET} \
92		${BTX}/lib/crt0.o ${.ALLSRC}
93
94boot2.o: boot2.h
95
96sio.o: sio.s
97	${AS} ${AFLAGS} --defsym SIOPRT=${BOOT_COMCONSOLE_PORT} \
98		--defsym SIOFMT=${B2SIOFMT} \
99		--defsym SIOSPD=${BOOT_COMCONSOLE_SPEED} \
100		${.IMPSRC} -o ${.TARGET}
101
102install:
103	${INSTALL} -o ${BINOWN} -g ${BINGRP} -m ${BINMODE} \
104		boot ${DESTDIR}${BINDIR}/boot
105	${INSTALL} -o ${BINOWN} -g ${BINGRP} -m ${BINMODE} \
106		boot1 ${DESTDIR}${BINDIR}/boot1
107	${INSTALL} -o ${BINOWN} -g ${BINGRP} -m ${BINMODE} \
108		boot2 ${DESTDIR}${BINDIR}/boot2
109
110.include <bsd.prog.mk>
111
112.if defined(REALLY_AMD64)
113boot2.o: machine
114
115beforedepend ${OBJS}: machine
116
117machine:
118	ln -sf ${.CURDIR}/../../../i386/include machine
119
120CLEANFILES+=	machine
121.endif
122
123