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Linker does not provide some vital functions when building freestanding
applications with a new toolchain, so we have to provide our own CRT.
p.s.
Without the CRT we won't see any build errors (since the purgatory is
linked with --no-undefined), but the purgatory code won't work,
'kexec -e' will just hang the board.
I added option to configure to keep code buildable for old toolchais.
But there should be way to do this automatically.
Author: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Maxim Uvarov <muvarov@gmail.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
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kexec built from git HEAD shows release date as 13th August 2009, which is not
correct. Instead of that use the build date as release date.
Signed-off-by: Ameya Palande <ameya.palande@nokia.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
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Version tag in rpm spec file doesn't allow '-', so use '_' to fix the rpm
build.
Signed-off-by: Ameya Palande <ameya.palande@nokia.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
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- using simple mips* ) in configure.ac to make it compilable on mips2
and mips64
- remove kexec/arch/mips/mips-setup-simple.S which prepares cmdline for
new kernel, it is better to move this work to kernel code. BTW this code was
compilable only on o32 because of t4 is not defined on 64-64 or n32 MIPS ABIs.
- simple put cmdline as string, kernel code should catch cmdline like this
int board_kexec_prepare(struct kimage *image)
{
int i;
char *bootloader = "kexec";
board_boot_desc_ptr->argc = 0;
for(i=0;i<image->nr_segments;i++)
{
printk("segment %d
if (!strncmp(bootloader, (char*)image->segment[i].buf,
strlen(bootloader)))
{
/*
* convert command line string to array
* of parameters (as bootloader does).
*/
int argc = 0, offt;
char *str = (char *)image->segment[i].buf;
char *ptr = strchr(str, ' ');
while (ptr && (ARGV_MAX_ARGS > argc)) {
*ptr = '\0';
if (ptr[1] != ' ') {
offt = (int)(ptr - str + 1);
boot_desc_ptr->argv[argc] =
image->segment[i].mem + offt;
argc++;
}
ptr = strchr(ptr + 1, ' ');
}
boot_desc_ptr->argc = argc;
break;
}
}
Keep it as string make code simple and more readable.
- add crashdump support
- do not redefine syscalls numbers if they defined in system
remove fixups for /proc/iomem. If your board provides wrong /proc/iomem please
fix kernel, or at least you local version of kexec. No need to support it in
main line. At least add option --fake-iomem
- some minor fixes
Signed-off-by: Maxim Uvarov <muvarov@gmail.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
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This patch allows one to load a lzma compressed kernel using kexec -l.
As I wanted the lzma code to be very similar to the existing
zlib slurp_decompress I took lzread and associated routines
from the cpio lzma support. Tested on my x86 laptop using the
following commands:
lzma e bzImage bzImage.lzma
kexec -l bzImage.lzma
Having lzma support is particularly useful on some embedded
systems on which we have the kernel already lzma compressed
and available on a mtd partition.
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Simon Horman <horms@verge.net.au>
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autoconf 2.64 redefined AC_MSG_ERROR and now a ";" is required at the
end of AC_MSG_ERROR macro invocation in configure.ac. Absence of this
";" causes an "unexpected end of file" message when configure script
generated by autoconf is run. This patch adds the ";" in right places. I
have verified that configure.ac still works fine after these changes
with autoconf 2.63 and 2.61.
[horms@verge.net.au: removed trailing whitespace]
Signed-off-by: Khalid Aziz <khalid.aziz@hp.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
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Add -git to version so it doesn't look like a release.
This is just so when people build code from git it can
be identified as such from the version string.
Signed-off-by: Simon Horman <horms@verge.net.au>
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Signed-off-by: Simon Horman <horms@verge.net.au>
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Add -git to version so it doesn't look like a release.
This is just so when people build code from git it can
be identified as such from the version string.
Signed-off-by: Simon Horman <horms@verge.net.au>
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Signed-off-by: Simon Horman <horms@verge.net.au>
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# PATH=$PATH:/usr/local/cris/bin/ CC=crisv32-axis-linux-gnu-gcc \
./configure --host=crisv32-axis-linux-gnu
configure: WARNING: If you wanted to set the --build type, don't use --host.
If a cross compiler is detected then cross compile mode will be used.
checking build system type... i686-pc-linux-gnu
checking host system type... cris-axis-linux-gnu
checking target system type... cris-axis-linux-gnu
configure: error: unsupported architecture cris
Signed-off-by: Simon Horman <horms@verge.net.au>
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Hello,
I hope this is the correct list to which to send these patches.
Comments are very welcome.
Thanks,
Edgar
From: Edgar E. Iglesias <edgar.iglesias@axis.com>
Add a CRISv32 port. Initially only the elf filetype is supported.
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@axis.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
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As pointed out by Edgar E. Iglesias, the -fno-zero-initialized-in-bss
option to gcc is not available in the cris 3.2.1 toolchain.
Signed-off-by: Simon Horman <horms@verge.net.au>
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Add -git to version so it doesn't look like a release.
This is just so when people build code from git it can
be identified as such from the version string.
Signed-off-by: Simon Horman <horms@verge.net.au>
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Signed-off-by: Simon Horman <horms@verge.net.au>
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Currently, we're unconditionally setting the build and target cflags in
the configure script, which means that they can't be easily
overwritten.
This change conditionally sets these variables if they're not specified
during configure, allowing something like:
BUILD_CFLAGS=-Werror ./configure
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Simon Horman <horms@verge.net.au>
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Add -git to version so it doesn't look like a release.
This is just so when people build code from git it can
be identified as such from the version string.
Signed-off-by: Simon Horman <horms@verge.net.au>
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Signed-off-by: Simon Horman <horms@verge.net.au>
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This patch fixes build on "normal" Linux hosts without cross compiler.
The regression was introduced with
commit 6f95d707544ab3417673990e6a78b27b79737856
Author: Jamey Sharp <jamey@thetovacompany.com>
Date: Thu May 15 17:03:09 2008 -0700
Use target CC and LD to build kdump and kexec_test.
Signed-off-by: Jamey Sharp <jamey@thetovacompany.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Bernhard Walle <bwalle@suse.de>
Signed-off-by: Simon Horman <horms@verge.net.au>
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Signed-off-by: Jamey Sharp <jamey@thetovacompany.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
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Add -git to version so it doesn't look like a release.
This is just so when people built stuff from git it can
be identified as such from the version string.
Signed-off-by: Simon Horman <horms@verge.net.au>
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Signed-off-by: Simon Horman <horms@verge.net.au>
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Add -git to version so it doesn't look like a release.
This is just so when people built stuff from git it can
be identified as such from the version string.
Signed-off-by: Simon Horman <horms@verge.net.au>
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Signed-off-by: Simon Horman <horms@verge.net.au>
configure.ac | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
fc6069a80acc10297fc7158ddb088aa73093d8ab
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[ Reposted with correct linux-mips address ]
Hi,
this patch switches the mips support in kexec-tools around a little bit.
All the files and directories containing "mipsel" have been renamed
to contain "mips" instead.
This is kind of consistent with the way that ARCH=mips in the kernel
works for both big and little endian.
After a small amount of tweaking, which is also included in this patch, the
code compiles and works fine for big endian mips as well as small endian
mips. All you need to do is compile using an appropriate compiler.
That is to say, kexec-tools's build system doesn't need to
be told about which endienness the code is being compiled for.
I have added kept mipsel as a supported "architecture" via ./configure,
though its just an alias for mips now. This is consistent with how
other architectures such as sh are treated. But I'm happy to remove
mipsel from ./configure if the mips people want that.
I tested this patch using qemu and the 2.6.24.3 tag of the mips-2.6 git
tree compiled for the qemu machine type for both big and little endian.
The qemu machine type has subsequently been removed, and kexec-tools
needs some work in order to function with qemu - as far as I understand
the way the boot parameters are passed needs to be fixed, likely
in purgatory. However, this is not related to the changes
introduced in this patch.
I intend to merge this patch into kexec-tools-testing if
no alarm bells are sounded.
Signed-off-by: Simon Horman <horms@verge.net.au>
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Hello,
We developed a patch to port kexec-tools to mips arch and included support for
command line passing through elf boot notes.
We did it for a customer of ours on a specific platform derived from toshiba
tx4938 (so we think it should work at least for tx4938 evaluation board also).
We would like to contribute it in case somebody else needs it or wants to
improve it.
This patch works for us but the assembler part in particular, should be
considered as a starting point because my assembly knowledge is not too deep.
As this is the first time I submit a patch I tried to guess reading tpp.txt if
this is the right way to submit. Please let me know about any mistakes I may
have made.
Signed-off-by: Simon Horman <horms@verge.net.au>
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Add -git to version so it doesn't look like a release.
This is just so when people built stuff from git it can
be identified as such from the version string.
Signed-off-by: Simon Horman <horms@verge.net.au>
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Signed-off-by: Simon Horman <horms@verge.net.au>
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Add -git to version so it doesn't look like a release.
This is just so when people built stuff from git it can
be identified as such from the version string.
Signed-off-by: Simon Horman <horms@verge.net.au>
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Signed-off-by: Simon Horman <horms@verge.net.au>
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Add -git to version so it doesn't look like a release.
This is just so when people built stuff from git it can
be identified as such from the version string.
Signed-off-by: Simon Horman <horms@verge.net.au>
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Signed-off-by: Simon Horman <horms@verge.net.au>
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Add -git to version so it doesn't look like a release.
This is just so when people built stuff from git it can
be identified as such from the version string.
Signed-off-by: Simon Horman <horms@verge.net.au>
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Please ignore the previous "kexec-tools-testing 20080217-rc" commit,
obviously its not still last year :-)
Signed-off-by: Simon Horman <horms@verge.net.au>
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Add ARM support to kexec including commandline support through ATAGs.
The kernel syscall support has already been merged and kernel ATAG
exporting is queued for 2.6.25 (its optional for kexec).
Based on work by various people, notably Uli Luckas <u.luckas@road.de>
for adding ATAG support.
Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Simon Horman <horms@verge.net.au>
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This change makes kexec-tools work more like a standard configure-make-
make-install-type project:
* Remove $(OBJDIR) stuff. To do an out-of-tree build, just configure
from a different directory.
* Use the implicit Makefile rules more, and just edit the compiler
flags for specific targets.
* Simplify compiler/linker flags - no need for EXTRA_*
* Add TARGET_CC, and improve checks for BUILD_CC too.
* Set arch-specific flags in arch-specific makefiles, not conditional
on $(ARCH).
* Generate dependency files in the main compile, rather than as a
separate step.
* Don't #include sha256.c, but re-build it into the purgatory.
Still a work-in-progress.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Simon Horman <horms@verge.net.au>
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.. instead of messing with CFLAGS.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Simon Horman <horms@verge.net.au>
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Instead of putting a heap of -D directives in CPPFLAGS, use a config.h
header.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Simon Horman <horms@verge.net.au>
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Instead of using a combination of ARCH and --host, use --target.
It's possible to have host != target. For example, building a ppc
kexec binary for a ppc64 kernel. In this case, the kexec binary is
compiled for 32-bit, while the purgatory object is 64-bit.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Simon Horman <horms@verge.net.au>
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Add the complier flag -Wstrict-prototypes to EXTRA_CFLAGS.
Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
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Powerpc 64 bit platforms support both 64 bit and 32 bit runtimes. Allow
ARCH= to be specified on the command line to separate the processor arch
from the compiler machine. This also helps cross-builds with non-standard
compiler names.
Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
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Signed-off-by: Ian Campbell <ian.campbell@xensource.com>
Acked-by: Magnus Damm <magnus@valinux.co.jp>
Signed-off-by: Simon Horman <horms@verge.net.au>
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It seems safe enough to enable --with_xen by default as
the required header is checked for later on in confiugre,
and will turn off --with_xen if needed.
Signed-off-by: Simon Horman <horms@verge.net.au>
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architecture.
This is necessary when running Xen with a 64 bit hypervisor and 32 bit
domain 0 since the CPU crash notes will be 64 bit.
Detecting the hypervisor archiecture requires libxenctrl and therefore this
support is optional and disabled by default.
Signed-off-by: Ian Campbell <ian.campbell@xensource.com>
Acked-by: Magnus Damm <magnus@valinux.co.jp>
Signed-off-by: Simon Horman <horms@verge.net.au>
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Trivial change adding sh4a to the sh targets.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Simon Horman <horms@verge.net.au>
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Signed-off-by: Horms <horms@verge.net.au>
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Signed-off-by: Simon Horman <horms@verge.net.au>
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Signed-off-by: Simon Horman <horms@verge.net.au>
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[BUILD] CPPFLAGS, CFLAGS and LDFLAGS fixes
* Set internal CPPFLAGS as EXTRA_CPPFLAGS, CFLAGS as EXTRA_CFLAGS,
and LDFLAGS as EXTRA_LDFLAGS
- Don't overwrite CPPFLAGS, LDLFAGS or CFLAGS from the environment
- They are irrelevant for BUILD_CC
- When cross-compiling for a ppc64 host on a non-ppc64 host,
EXTRA_CFLAGS, which is included in BUILD_CPPFLAGS contains
-mcall-aixdesc, which does not work on i386 at least
* Use LDFLAGS when linking kexec
- Append rather than overwrite in purgatory/Makefile
The purpose of these changes is three-fold.
* CPPFLAGS, CFLAGS and LDFLAGS from the environment really ought
to be honoured. For one thing;
* Without these changes, the confgiure taget in
the toplevel makefile can't work
* Without these changes, cross compiling does not work -
well, I can't work out how to get it to work anyway.
Signed-Off-By: Simon Horman <horms@verge.net.au>
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