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Some versions of mtools (fixed somewhere between 4.0.31 and 4.0.35)
generate bad output for mformat when used with the partition= option.
Use the offset= option instead. An mtools.conf entry is *also* needed
with partition= to support mpartition; combining them in one entry does
not work either.
Don't specify the -t option to mpartition; it is unnecessary and seems
to confuse mpartition under some circumstances.
Also do a few minor optimizations:
Use a larger cluster size; there is no reason for the typical 4K
clusters when we are dealing mainly with comparatively huge files.
Start the partition at 32K. There is no reason to align it more than
that, since the internal FAT filesystem structures will at best be
cluster-aligned, and 32K is the maximum FAT cluster size.
[ bp: Remove "we". ]
Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20210911003906.2700218-1-hpa@zytor.com
The image generation scripts in arch/x86/boot are pretty out of date,
except for the isoimage target. Update and clean up the
genimage.sh script, and make it support an arbitrary number of
initramfs files in the image.
Add a "hdimage" target, which can be booted by either BIOS or
EFI (if the kernel is compiled with the EFI stub.) For EFI to be able
to pass the command line to the kernel, we need the EFI shell, but the
firmware builtin EFI shell, if it even exists, is pretty much always
the last resort boot option, so search for OVMF or EDK2 and explicitly
include a copy of the EFI shell.
To make this all work, use bash features in the script. Furthermore,
this version of the script makes use of some mtools features,
especially mpartition, that might not exist in very old version of
mtools, but given all the other dependencies on this script this
doesn't seem such a big deal.
Finally, put a volume label ("LINUX_BOOT") on all generated images.
Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20210510082840.628372-1-hpa@zytor.com
Debian does not ship a 'mkisofs' symlink to genisoimage. All modern
distros ship genisoimage, so just use that directly. That requires
renaming the 'genisoimage' function. Also neaten up the 'for' loop
while I'm in here.
Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
Cc: Changbin Du <changbin.du@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
If mtools.conf is not generated before, 'make isoimage' could complain:
Kernel: arch/x86/boot/bzImage is ready (#597)
GENIMAGE arch/x86/boot/image.iso
*** Missing file: arch/x86/boot/mtools.conf
arch/x86/boot/Makefile:144: recipe for target 'isoimage' failed
mtools.conf is not used for isoimage generation, so do not check it.
Signed-off-by: Changbin Du <changbin.du@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Fixes: 4366d57af1 ("x86/build: Factor out fdimage/isoimage generation commands to standalone script")
Link: http://lkml.kernel.org/r/1512053480-8083-1-git-send-email-changbin.du@intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This change suppresses the 'dd' output and adds the '-quiet' parameter
to mkisofs tool. It also removes the 'Using ...' messages, as none of the
messages matter to the user normally.
"make V=1" can still be used for a more verbose build.
The new build messages are now a streamlined set of:
$ make isoimage
...
Kernel: arch/x86/boot/bzImage is ready (#75)
GENIMAGE arch/x86/boot/image.iso
Kernel: arch/x86/boot/image.iso is ready
Signed-off-by: Changbin Du <changbin.du@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1510207751-22166-1-git-send-email-changbin.du@intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
It avoids the following warning triggered by newer versions of mkisofs:
-input-charset not specified, using utf-8 (detected in locale settings)
Signed-off-by: Changbin Du <changbin.du@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: yamada.masahiro@socionext.com
Link: http://lkml.kernel.org/r/1509939179-7556-4-git-send-email-changbin.du@intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Recently I failed to build isoimage target, because the path of isolinux.bin
changed to /usr/xxx/ISOLINUX/isolinux.bin, as well as ldlinux.c32 which
changed to /usr/xxx/syslinux/modules/bios/ldlinux.c32.
This patch improves the file search logic:
- Show a error message instead of silent fail.
- Add above new paths.
Signed-off-by: Changbin Du <changbin.du@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: yamada.masahiro@socionext.com
Link: http://lkml.kernel.org/r/1509939179-7556-3-git-send-email-changbin.du@intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
The build messages for fdimage/isoimage generation are pretty unstructured,
just the raw shell command blocks are printed.
Emit shortened messages similar to existing kbuild messages, and move
the Makefile commands into a separate shell script - which is much
easier to handle.
This patch factors out the commands used for fdimage/isoimage generation
from arch/x86/boot/Makefile to a new script arch/x86/boot/genimage.sh.
Then it adds the new kbuild command 'genimage' which invokes the new script.
All fdimages/isoimage files are now generated by a call to 'genimage' with
different parameters.
Now 'make isoimage' becomes:
...
Kernel: arch/x86/boot/bzImage is ready (#30)
GENIMAGE arch/x86/boot/image.iso
Size of boot image is 4 sectors -> No emulation
15.37% done, estimate finish Sun Nov 5 23:36:57 2017
30.68% done, estimate finish Sun Nov 5 23:36:57 2017
46.04% done, estimate finish Sun Nov 5 23:36:57 2017
61.35% done, estimate finish Sun Nov 5 23:36:57 2017
76.69% done, estimate finish Sun Nov 5 23:36:57 2017
92.00% done, estimate finish Sun Nov 5 23:36:57 2017
Total translation table size: 2048
Total rockridge attributes bytes: 659
Total directory bytes: 0
Path table size(bytes): 10
Max brk space used 0
32608 extents written (63 MB)
Kernel: arch/x86/boot/image.iso is ready
Before:
Kernel: arch/x86/boot/bzImage is ready (#63)
rm -rf arch/x86/boot/isoimage
mkdir arch/x86/boot/isoimage
for i in lib lib64 share end ; do \
if [ -f /usr/$i/syslinux/isolinux.bin ] ; then \
cp /usr/$i/syslinux/isolinux.bin arch/x86/boot/isoimage ; \
if [ -f /usr/$i/syslinux/ldlinux.c32 ]; then \
cp /usr/$i/syslinux/ldlinux.c32 arch/x86/boot/isoimage ; \
fi ; \
break ; \
fi ; \
if [ $i = end ] ; then exit 1 ; fi ; \
done
...
Suggested-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Changbin Du <changbin.du@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1509939179-7556-2-git-send-email-changbin.du@intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
