1# $FreeBSD: head/sys/boot/i386/boot0/Makefile 80084 2001-07-21 14:32:47Z rnordier $
| 1# $FreeBSD: head/sys/boot/i386/boot0/Makefile 89240 2002-01-10 21:40:33Z jhb $
|
2
3PROG= boot0
4NOMAN=
5STRIP=
6BINDIR?= /boot
7BINMODE= 444
8
9M4?= m4
10
| 2
3PROG= boot0
4NOMAN=
5STRIP=
6BINDIR?= /boot
7BINMODE= 444
8
9M4?= m4
10
|
11B0FLAGS=0xf
12B0TICKS=0xb6
| 11# The default set of flags compiled into boot0. This enables update (writing
12# the modified boot0 back to disk after running so that the selection made is
13# saved), packet mode (detect and use the BIOS EDD extensions if we try to
14# boot past the 1024 cylinder liimt), and booting from all valid slices.
15BOOT_BOOT0_FLAGS?= 0xf
|
13
| 16
|
14ORG= 0x600
| 17# The number of timer ticks to wait for a keypress before assuming the default
18# selection. Since there are 18.2 ticks per second, the default value of
19# 0xb6 (182d) corresponds to 10 seconds.
20BOOT_BOOT0_TICKS?= 0xb6
|
15
| 21
|
| 22# The base address that we the boot0 code to to run it. Don't change this
23# unless you are glutton for punishment.
24BOOT_BOOT0_ORG?= 0x600
25
|
16boot0: boot0.o
17.if ${OBJFORMAT} == aout
| 26boot0: boot0.o
27.if ${OBJFORMAT} == aout
|
18 ${LD} -N -s -T ${ORG} -o boot0.out boot0.o
| 28 ${LD} -N -s -T ${BOOT_BOOT0_ORG} -o boot0.out boot0.o
|
19 dd if=boot0.out of=${.TARGET} ibs=32 skip=1
20.else
| 29 dd if=boot0.out of=${.TARGET} ibs=32 skip=1
30.else
|
21 ${LD} -N -e start -Ttext ${ORG} -o boot0.out boot0.o
| 31 ${LD} -N -e start -Ttext ${BOOT_BOOT0_ORG} -o boot0.out boot0.o
|
22 objcopy -S -O binary boot0.out ${.TARGET}
23.endif
24
25boot0.o: boot0.s
| 32 objcopy -S -O binary boot0.out ${.TARGET}
33.endif
34
35boot0.o: boot0.s
|
26 ${AS} ${AFLAGS} --defsym FLAGS=${B0FLAGS} --defsym TICKS=${B0TICKS} \
27 ${.IMPSRC} -o ${.TARGET}
| 36 ${AS} ${AFLAGS} --defsym FLAGS=${BOOT_BOOT0_FLAGS} \
37 --defsym TICKS=${BOOT_BOOT0_TICKS} ${.IMPSRC} -o ${.TARGET}
|
28
29CLEANFILES+= boot0.out boot0.o
30
31.include <bsd.prog.mk>
| 38
39CLEANFILES+= boot0.out boot0.o
40
41.include <bsd.prog.mk>
|