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Get this building as a.out or ELF.

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With thanks to: jdp
This commit is contained in:
Robert Nordier 1998-10-09 17:19:51 +00:00
parent 353803b997
commit 4025ae9d2a
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=40124
2 changed files with 8 additions and 3 deletions
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7
sys/boot/i386/boot0/Makefile
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@ -1,4 +1,4 @@
# $Id: Makefile,v 1.1.1.1 1998/10/05 10:08:37 rnordier Exp $
# $Id: Makefile,v 1.2 1998/10/05 19:20:36 rnordier Exp $
PROG= boot0
NOMAN=
@ -10,8 +10,13 @@ M4?= m4
ORG= 0x600
boot0: boot0.o
.if ${OBJFORMAT} == aout
${LD} -N -s -T ${ORG} -o boot0.out boot0.o
dd if=boot0.out of=${.TARGET} ibs=32 skip=1
.else
${LD} -N -e start -Ttext ${ORG} -o boot0.out boot0.o
/usr/libexec/elf/objcopy -S -O binary boot0.out ${.TARGET}
.endif
boot0.o: boot0.m4 boot0.s
(cd ${.CURDIR}; ${M4} boot0.m4 boot0.s) | \

4
sys/boot/i386/boot0/boot0.s
View File

@ -13,7 +13,7 @@
# purpose.
#
# $Id:$
# $Id: boot0.s,v 1.1.1.1 1998/10/05 10:08:37 rnordier Exp $
# A 512-byte boot manager.
@ -220,7 +220,7 @@ os_linux: .ascii "Linu"; .byte 'x'|0x80
os_freebsd: .ascii "Free"
os_bsd: .ascii "BS"; .byte 'D'|0x80
.fill start+PRT_OFF-0x3-.,0x1,0x90
.org PRT_OFF-0x3,0x90
opt: .byte 0x1 # Option
ticks: .word 0xb6 # Delay