Initial import from FreeBSD RELENG_4:
[dragonfly.git] / sys / boot / i386 / boot2 / Makefile
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MD
1# $FreeBSD: src/sys/boot/i386/boot2/Makefile,v 1.16.2.5 2002/08/07 16:31:53 ru 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 boot2.h \
10 sio.o
11
12NM?= nm
13
14# A value of 0x80 enables LBA support.
15B1FLAGS= 0x80
16
17BOOT_COMCONSOLE_PORT?= 0x3f8
18BOOT_COMCONSOLE_SPEED?= 9600
19B2SIOFMT?= 0x3
20
21.if exists(${.OBJDIR}/../btx)
22BTX= ${.OBJDIR}/../btx
23.else
24BTX= ${.CURDIR}/../btx
25.endif
26
27ORG1= 0x7c00
28ORG2= 0x1000
29
30CFLAGS= -elf -I${.CURDIR}/../btx/lib -I. \
31 -Os -fno-builtin -fforce-addr -fdata-sections \
32 -malign-functions=0 -malign-jumps=0 -malign-loops=0 -mrtd \
33 -mpreferred-stack-boundary=2 \
34 -Wall -Waggregate-return -Wbad-function-cast -Wcast-align \
35 -Wmissing-declarations -Wmissing-prototypes -Wnested-externs \
36 -Wpointer-arith -Wshadow -Wstrict-prototypes -Wwrite-strings
37
38LDFLAGS=-nostdlib -static -N
39
40all: boot1 boot2
41
42boot1: boot1.out
43 objcopy -S -O binary boot1.out ${.TARGET}
44
45boot1.out: boot1.o
46 ${LD} ${LDFLAGS} -e start -Ttext ${ORG1} -o ${.TARGET} boot1.o
47
48boot1.o: boot1.s
49 ${AS} ${AFLAGS} --defsym FLAGS=${B1FLAGS} ${.IMPSRC} -o ${.TARGET}
50
51boot2.h: boot1.out
52 ${NM} -t d ${.ALLSRC} | awk '/([0-9])+ T xread/ \
53 { x = $$1 - ORG1; printf("#define XREADORG 0x7%x\n", x) }' \
54 ORG1=`printf "%d" ${ORG1}` > boot2.h
55
56boot2: boot2.ldr boot2.bin ${BTX}/btx/btx
57 btxld -v -E ${ORG2} -f bin -b ${BTX}/btx/btx -l boot2.ldr \
58 -o boot2.ld -P 1 boot2.bin
59 @ls -l boot2.ld | awk '{ x = 7680 - $$5; \
60 print x " bytes available"; if (x < 0) exit 1 }'
61 dd if=boot2.ld of=${.TARGET} obs=7680 conv=osync 2>/dev/null
62
63boot2.ldr:
64 dd if=/dev/zero of=${.TARGET} bs=512 count=1 2>/dev/null
65
66boot2.bin: boot2.out
67 objcopy -S -O binary boot2.out ${.TARGET}
68
69boot2.out: boot2.o sio.o
70 ${LD} ${LDFLAGS} -Ttext ${ORG2} -o ${.TARGET} \
71 ${BTX}/lib/crt0.o boot2.o sio.o
72
73boot2.o: boot2.h
74
75sio.o: sio.s
76 ${AS} ${AFLAGS} --defsym SIOPRT=${BOOT_COMCONSOLE_PORT} \
77 --defsym SIOFMT=${B2SIOFMT} \
78 --defsym SIOSPD=${BOOT_COMCONSOLE_SPEED} \
79 ${.IMPSRC} -o ${.TARGET}
80
81install:
82 ${INSTALL} -o ${BINOWN} -g ${BINGRP} -m ${BINMODE} \
83 boot1 ${DESTDIR}${BINDIR}/boot1
84 ${INSTALL} -o ${BINOWN} -g ${BINGRP} -m ${BINMODE} \
85 boot2 ${DESTDIR}${BINDIR}/boot2
86
87.include <bsd.prog.mk>