1# $FreeBSD: head/sys/boot/i386/boot0/Makefile 63032 2000-07-12 18:11:54Z jhb $
| 1# $FreeBSD: head/sys/boot/i386/boot0/Makefile 64187 2000-08-03 09:14:02Z jhb $
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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
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11# update, packet mode, and all slices enabled by default 12B0FLAGS=0x8f 13B0TICKS=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?= 0x8f
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14
| 16
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15ORG= 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
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16
| 21
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| 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
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17boot0: boot0.o 18.if ${OBJFORMAT} == aout
| 26boot0: boot0.o 27.if ${OBJFORMAT} == aout
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19 ${LD} -N -s -T ${ORG} -o boot0.out boot0.o
| 28 ${LD} -N -s -T ${BOOT_BOOT0_ORG} -o boot0.out boot0.o
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20 dd if=boot0.out of=${.TARGET} ibs=32 skip=1 21.else
| 29 dd if=boot0.out of=${.TARGET} ibs=32 skip=1 30.else
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22 ${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
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23 objcopy -S -O binary boot0.out ${.TARGET} 24.endif 25 26boot0.o: boot0.s
| 32 objcopy -S -O binary boot0.out ${.TARGET} 33.endif 34 35boot0.o: boot0.s
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27 ${AS} ${AFLAGS} --defsym FLAGS=${B0FLAGS} --defsym TICKS=${B0TICKS} \ 28 ${.IMPSRC} -o ${.TARGET}
| 36 ${AS} ${AFLAGS} --defsym FLAGS=${BOOT_BOOT0_FLAGS} \ 37 --defsym TICKS=${BOOT_BOOT0_TICKS} ${.IMPSRC} -o ${.TARGET}
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29 30CLEANFILES+= boot0.out boot0.o 31 32.include <bsd.prog.mk>
| 38 39CLEANFILES+= boot0.out boot0.o 40 41.include <bsd.prog.mk>
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