Makefile revision 80084 
1# $FreeBSD: head/sys/boot/i386/gptboot/Makefile 80084 2001-07-21 14:32:47Z rnordier $
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
12# A value of 0x80 enables LBA support.
13B1FLAGS=	0x80
14
15BOOT_COMCONSOLE_PORT?= 0x3f8
16BOOT_COMCONSOLE_SPEED?= 9600
17B2SIOFMT?=	0x3
18
19.if exists(${.OBJDIR}/../btx)
20BTX=	${.OBJDIR}/../btx
21.else
22BTX=	${.CURDIR}/../btx
23.endif
24
25ORG1=	0x7c00
26ORG2=	0x1000
27
28CFLAGS=	-elf -I${.CURDIR}/../btx/lib -I. \
29	-Os -fno-builtin -fforce-addr -fdata-sections \
30	-malign-functions=0 -malign-jumps=0 -malign-loops=0 -mrtd \
31	-mpreferred-stack-boundary=2 \
32	-Wall -Waggregate-return -Wbad-function-cast -Wcast-align \
33	-Wmissing-declarations -Wmissing-prototypes -Wnested-externs \
34	-Wpointer-arith -Wshadow -Wstrict-prototypes -Wwrite-strings
35
36LDFLAGS=-nostdlib -static -N
37
38all: boot1 boot2
39
40boot1: boot1.out
41	objcopy -S -O binary boot1.out ${.TARGET}
42
43boot1.out: boot1.o
44	${LD} ${LDFLAGS} -e start -Ttext ${ORG1} -o ${.TARGET} boot1.o
45
46boot1.o: boot1.s
47	${AS} ${AFLAGS} --defsym FLAGS=${B1FLAGS} ${.IMPSRC} -o ${.TARGET}
48
49boot2: boot2.ldr boot2.bin ${BTX}/btx/btx
50	btxld -v -E ${ORG2} -f bin -b ${BTX}/btx/btx -l boot2.ldr \
51		-o boot2.ld -P 1 boot2.bin
52	@ls -l boot2.ld | awk '{ x = 7680 - $$5; \
53		print x " bytes available"; if (x < 0) exit 1 }'
54	dd if=boot2.ld of=${.TARGET} obs=7680 conv=osync 2>/dev/null
55
56boot2.ldr:
57	dd if=/dev/zero of=${.TARGET} bs=512 count=1 2>/dev/null
58
59boot2.bin: boot2.out
60	objcopy -S -O binary boot2.out ${.TARGET}
61
62boot2.out: boot2.o sio.o
63	${LD} ${LDFLAGS} -Ttext ${ORG2} -o ${.TARGET} \
64		${BTX}/lib/crt0.o boot2.o sio.o
65
66sio.o: sio.s
67	${AS} ${AFLAGS} --defsym SIOPRT=${BOOT_COMCONSOLE_PORT} \
68		--defsym SIOFMT=${B2SIOFMT} \
69		--defsym SIOSPD=${BOOT_COMCONSOLE_SPEED} \
70		${.IMPSRC} -o ${.TARGET}
71
72install:
73	${INSTALL} ${COPY} -o ${BINOWN} -g ${BINGRP} -m ${BINMODE} \
74		boot1 ${DESTDIR}${BINDIR}/boot1
75	${INSTALL} ${COPY} -o ${BINOWN} -g ${BINGRP} -m ${BINMODE} \
76		boot2 ${DESTDIR}${BINDIR}/boot2
77
78.include <bsd.prog.mk>
79