| Commit message (Collapse) | Author | Age | Files | Lines |
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Implement a new function, called elf_load_image, to perform the
actually copy of the elf image and clearing the padding. The function
is implemented as memcpy and memset when the library is built as part
of the tools, but it is implemented as raw_copy_to_guest and
raw_clear_guest when built as part of Xen, so that it can be safely
called with an HVM style dom0.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: Tim Deegan <Tim.Deegan@citrix.com>
Committed-by: Keir Fraser <keir@xen.org>
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The layouts were actually correct, but the type names were a bit
messed up.
Original patch by Volker Eckert <volker.eckert@citrix.com>
Signed-off-by: Keir Fraser <keir@xen.org>
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With our switching away from supporting 32-bit Dom0 operation, users
complained that attempts (perhaps due to lack of knowledge of that
change) to boot the no longer privileged kernel in Dom0 resulted in
apparently silent failure. To make the mismatch explicit and visible,
add dom0 feature flag that the kernel can set to indicate operation as
dom0 is supported.
Due to the way elf_xen_parse_features() worked up to now (getting
fixed here), adding features indications to the old, string based ELF
note would make the respective kernel unusable on older hypervisors.
For that reason, a new ELF Note is being introduced that allows
specifying supported features as a bit array instead (with features
unknown to the hypervisor simply ignored, as now also done by
elf_xen_parse_features(), whereas here unknown kernel-required
features still keep the kernel [and hence VM] from booting).
Introduce and use elf_note_numeric_array() to be forward
compatible (or else an old hypervisor wouldn't be able to parse kernel
specified features occupying more than 64 bits - thanks, Ian!).
Signed-off-by: Jan Beulich <jbeulich@novell.com>
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With our switching away from supporting 32-bit Dom0 operation, users
complained that attempts (perhaps due to lack of knowledge of that
change) to boot the no longer privileged kernel in Dom0 resulted in
apparently silent failure. To make the mismatch explicit and visible,
add feature flags that the kernel can set to indicate operation in
what modes it supports. For backward compatibility, absence of both
feature flags is taken to indicate a kernel that may be capable of
operating in both modes.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
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This makes the interface consistent with the changes made to the main
interface in 21483:779c0ef9682c.
Also fix some references to "struct xc_interface" which should have
been simply "xc_interface" in tools/xenpaging, and update QEMU_TAG to
pull in the corresponding qemu change.
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
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# User Ian Campbell <ian.campbell@citrix.com>
# Date 1282671421 -3600
# Node ID d1dd29a470ef1b9d2c77478a123326036dfe90bb
# Parent d7a4adad9c328decbd384d87b23001aea8951b86
tools/libxc, tools/libelf: Relicense under LGPL v2.1
Relicense these two libraries under LGPL v2.1 only except where
individual files already included the "or later" provision.
Copyright holders have been contacted by Stephen Spector and have all
agreed this change.
Removed tools/libxc/ia64/aclinux.h since it appeared to be
unused. There is a separate, more up to date, copy in
xen/include/acpi/platform/aclinux.h which does appear to be used.
Clarify the license of MiniOS privcmd.h under the same terms as other
tools/include/xen-sys headers.
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Stephen Spector <stephen.spector@citrix.com>
Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
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This patch eliminate the global variables in libxenctrl (used for
logging and error reporting).
Instead the information which was in the global variables is now in a
new xc_interface* opaque structure, which xc_interface open returns
instead of the raw file descriptor; furthermore, logging is done via
xentoollog.
There are three new parameters to xc_interface_open to control the
logging, but existing callers can just pass "0" for all three to get
the old behaviour.
All libxc callers have been adjusted accordingly.
Also update QEMU_TAG for corresponding qemu change.
Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
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libelf now permits callers to specify logging callback functions,
rather than a FILE*. libelf's non-Xen callers are all libxc users, so
the stdio dependency and the default logging callback function (which
calls vfprintf) is now in libxc.
Xen's use of libxc is unaffected in this patch.
Signed-off-by: Ian Jackson <Ian.Jackson@eu.citrix.com>
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Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
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The latest -mm kernel (2.6.25-rc3-mm1) contains v2.08 of the Linux
bzImage format which embeds an ELF file in place of the raw payload
allowing it to be extracted and used by the Xen domain builder.
It is expected that this functionality will be put forward for 2.6.26.
Signed-off-by : Ian Campbell <ijc@hellion.org.uk>
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Signed-off-by: Keir Fraser <keir@xensource.com>
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Signed-off-by: Gerd Hoffmann <kraxel@suse.de>
---
tools/libxc/Makefile | 14
tools/libxc/xc_dom.h | 261 +++++++++++++
tools/libxc/xc_dom_binloader.c | 294 +++++++++++++++
tools/libxc/xc_dom_boot.c | 515 +++++++++++++++++++++++++++
tools/libxc/xc_dom_core.c | 773 +++++++++++++++++++++++++++++++++++++++++
tools/libxc/xc_dom_elfloader.c | 283 +++++++++++++++
tools/libxc/xc_dom_ia64.c | 118 ++++++
tools/libxc/xc_dom_powerpc64.c | 100 +++++
tools/libxc/xc_dom_x86.c | 559 +++++++++++++++++++++++++++++
9 files changed, 2917 insertions(+)
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