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Introduce a standalone shell script for embedding MFS image.

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This allows to fix a problem with ARM kernel.bin not having the MFS image
embedded: it is objcopied from the kernel.noheader temporary ELF file, which
was not subject to embedding the MFS image previously.

Reviewed by:	imp
Approved by:	cognet (mentor)
This commit is contained in:
Rafal Jaworowski 2008-02-05 10:46:30 +00:00
parent 72c6438b52
commit fcfdd827d0
3 changed files with 44 additions and 7 deletions
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4
sys/conf/Makefile.arm
View File

@ -63,6 +63,10 @@ SYSTEM_LD_TAIL +=;sed s/" + SIZEOF_HEADERS"// ldscript.$M\
${KERNEL_KO}.bin; \ ${KERNEL_KO}.bin; \
rm ${FULLKERNEL}.noheader rm ${FULLKERNEL}.noheader
.if defined(MFS_IMAGE)
SYSTEM_LD_TAIL += ;sh ${S}/tools/embed_mfs.sh ${KERNEL_KO}.bin ${MFS_IMAGE};
.endif
FILES_CPU_FUNC = $S/$M/$M/cpufunc_asm_arm7tdmi.S \ FILES_CPU_FUNC = $S/$M/$M/cpufunc_asm_arm7tdmi.S \
$S/$M/$M/cpufunc_asm_arm8.S $S/$M/$M/cpufunc_asm_arm9.S \ $S/$M/$M/cpufunc_asm_arm8.S $S/$M/$M/cpufunc_asm_arm9.S \
$S/$M/$M/cpufunc_asm_sa1.S $S/$M/$M/cpufunc_asm_arm10.S \ $S/$M/$M/cpufunc_asm_sa1.S $S/$M/$M/cpufunc_asm_arm10.S \

8
sys/conf/kern.post.mk
View File

@ -91,13 +91,7 @@ ${FULLKERNEL}: ${SYSTEM_DEP} vers.o
.endif .endif
${SYSTEM_LD_TAIL} ${SYSTEM_LD_TAIL}
.if defined(MFS_IMAGE) .if defined(MFS_IMAGE)
@dd if="${MFS_IMAGE}" ibs=8192 of="${FULLKERNEL}" \ @sh ${S}/tools/embed_mfs.sh ${FULLKERNEL} ${MFS_IMAGE}
obs=`strings -at d "${FULLKERNEL}" | \
grep "MFS Filesystem goes here" | awk '{print $$1}'` \
oseek=1 conv=notrunc 2>/dev/null && \
strings ${FULLKERNEL} | \
grep 'MFS Filesystem had better STOP here' > /dev/null || \
(rm ${FULLKERNEL} && echo 'MFS image too large' && false)
.endif .endif
.if !exists(${.OBJDIR}/.depend) .if !exists(${.OBJDIR}/.depend)

39
sys/tools/embed_mfs.sh Normal file
View File

@ -0,0 +1,39 @@
#!/bin/sh
#
# Copyright (C) 2008 The FreeBSD Project. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# $FreeBSD$
#
# Embed the MFS image into the kernel body (expects space reserved via
# MD_ROOT_SIZE)
#
# $1: kernel filename
# $2: MFS image filename
#
obs=`strings -at d $1 | grep "MFS Filesystem goes here" | awk '{print $1}'`
dd if=$2 ibs=8192 of=$1 obs=${obs} oseek=1 conv=notrunc 2> /dev/null
strings $1 | grep 'MFS Filesystem had better STOP here' > /dev/null || \
(rm $1 && echo "MFS image too large" && false)