Makefile revision 40541 
1#	$Id: Makefile,v 1.7 1998/10/15 22:08:13 rnordier Exp $
2
3PROG=		boot2
4NOMAN=
5STRIP=
6BINDIR?=	/boot
7BINMODE=	444
8CLEANFILES+=	boot1 boot1.out boot1.o \
9		boot2.ldr boot2.bin boot2.ld boot2.out boot2.o \
10		sio.o
11
12M4?=	m4
13
14B2SIOPRT?=	0x3f8
15B2SIOFMT?=	0x3
16B2SIODIV?=	0xc
17
18.if exists(${.OBJDIR}/../btx)
19BTX=	${.OBJDIR}/../btx
20.else
21BTX=	${.CURDIR}/../btx
22.endif
23
24ORG1=	0x7c00
25ORG2=	0x1000
26
27CFLAGS=	-elf -I${.CURDIR}/../btx/lib -I. -fno-builtin \
28	-O2 -malign-functions=0 -malign-jumps=0 -malign-loops=0 -mrtd \
29	-Wall -Waggregate-return -Wbad-function-cast -Wcast-align \
30	-Wmissing-declarations -Wmissing-prototypes -Wnested-externs \
31	-Wpointer-arith -Wshadow -Wstrict-prototypes -Wwrite-strings
32
33LDFLAGS=-nostdlib -static -N
34
35all: boot1 boot2
36
37boot1: boot1.out
38	objcopy -S -O binary boot1.out ${.TARGET}
39
40boot1.out: boot1.o
41	${LD} ${LDFLAGS} -e start -Ttext ${ORG1} -o ${.TARGET} boot1.o
42
43boot1.o: boot1.m4 boot1.s
44	(cd ${.CURDIR}; ${M4} boot1.m4 boot1.s) | \
45		${AS} ${AFLAGS} -o ${.TARGET}
46
47boot2: boot2.ldr boot2.bin
48	btxld -v -E ${ORG2} -f bin -b ${BTX}/btx/btx -l boot2.ldr \
49		-o boot2.ld -P 1 boot2.bin
50	@ls -l boot2.ld | awk '{ x = 7680 - $$5; \
51		print x " bytes available"; if (x < 0) exit 1 }'
52	dd if=boot2.ld of=${.TARGET} obs=7680 conv=osync 2>/dev/null
53
54boot2.ldr:
55	dd if=/dev/zero of=${.TARGET} bs=512 count=1 2>/dev/null
56
57boot2.bin: boot2.out
58	objcopy -S -O binary boot2.out ${.TARGET}
59
60boot2.out: boot2.o sio.o
61	${LD} ${LDFLAGS} -Ttext ${ORG2} -o ${.TARGET} \
62		${BTX}/lib/crt0.o boot2.o sio.o
63
64sio.o: sio.s
65	(cd ${.CURDIR}; ${M4} -DSIOPRT=${B2SIOPRT} \
66		-DSIOFMT=${B2SIOFMT} -DSIODIV=${B2SIODIV} sio.s) | \
67		${AS} ${AFLAGS} -o ${.TARGET}
68
69install:
70	${INSTALL} ${COPY} -o ${BINOWN} -g ${BINGRP} -m ${BINMODE} \
71		boot1 ${DESTDIR}${BINDIR}/boot1
72	${INSTALL} ${COPY} -o ${BINOWN} -g ${BINGRP} -m ${BINMODE} \
73		boot2 ${DESTDIR}${BINDIR}/boot2
74
75.include <bsd.prog.mk>
76