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# $FreeBSD$
PROG
=
boot1.elf
INTERNALPROG
=
MAN
=
FILES
?=
boot1
SRCS
=
_start.s
boot1.c
CLEANFILES
=${
FILES
}
boot1.aout
BOOTBLOCKBASE
=
0x4000
CFLAGS.clang
+=-
mcmodel
=
small
CFLAGS.gcc
+=-
mcmodel
=
medlow
CFLAGS
+=-
Os
-I${.
CURDIR
}/../../
common
LDFLAGS
=-
Ttext
${
BOOTBLOCKBASE
} -
Wl
,-N
# Construct boot1. sunlabel expects it to contain zeroed-out space for the
# label, and to be of the correct size.
${
FILES
}:
boot1.aout
@
set
--
`
ls
-l
boot1.aout
`
; x=$
$(
(
7680
-$$
5
)
)
; \
echo
"$$x bytes available"
;
test
$$x -
ge
0
dd
if
=/
dev
/
zero
of
=${.
TARGET
}
bs
=
512
count
=
16
dd
if
=
boot1.aout
of
=${.
TARGET
}
bs
=
512
oseek
=
1
conv
=
notrunc
boot1.aout
:
boot1.elf
elf2aout
-o ${.
TARGET
} ${.
ALLSRC
}
boot1.o
: ${.
CURDIR
}/../../
common
/
ufsread.c
.
include
<
bsd.prog.mk
>