Fabrice Bellard on the QEMU project). This patch clears the
memory in the BIOS call rather than when the Cirrus Logic register changes,
which more closely matches what happens on the real hardware.
Signed-off-by: Don Dugger <donald.d.dugger@intel.com>
Thus all can be disabled at compile time. It would be easy to
make enabling/disabling a run-time option too.
Signed-off-by: Keir Fraser <keir@xensource.com>
Advertising more CPUs than the guest is allocated hangs boot
of Windows XP (selects wrong HAL). The correct fix here is
to dynamically generate the MPS table (at least the CPU
entries) from hvmloader binary.
Signed-off-by: Keir Fraser <keir@xensource.com>
Extends vmxassist to handle two cases related to mode switching found
while experimenting with different boot loaders.
The first case is use of the JMP instruction with memory location
operands to complete a switch to protected mode. This patch adds
emulation for this form of the JMP instruction to vmxassist.
The second case is where boot loader code does not save/restore a
non-zero SS register across a protected mode traversal.
Zeroing the SS register in vmxassist results in all sorts of problems
in the domU after returning back to real mode. This patch stores
segment register values before entering protected mode and correctly
restores the old values (instead of an incorrect zero value) when
reentering real mode.
Signed-off-by: Kevin Tronkowski <ktronkowski@virtualiron.com>
pae_pgdir_above_4gb tp guests that have enabled this vmassist.
Control tools ensure all PAE page directories are below 4GB
unless the vmassist is enabled (triggered via an extended-cr3
option in guest Elf header).
Signed-off-by: Keir Fraser <keir@xensource.com>
qemu will emulate up to 4 serial lines (COM1 - COM4). One of these
lines supports a Summagraphics protocol. This has changed recently,
and it's now always COM2. This patch allows the user to specify
to qemu which lines should be serial lines, and the code will place
the Summagraphics compatible line at just above the last specified
serial line. qemu defaults serial line 0 (COM1) to be "vc", resulting
in the Summagraphics support residing on COM2. This is in keeping
with the current behavior.
The results, via qemu command line, are:
<none> COM2
-serial x COM2
-serial x -serial x COM3
-serial x -serial x -serial x COM4
-serial x -serial x -serial x -serial x <none>
The results are deterministic, and allow the use of up to 4 serial
lines including none with Summagraphics support. There is no
change from current behavior, unless requested.
Signed-off-by: Ben Thomas <ben@virtualiron.com>
util/security.py to be either strings or ints (previously only strings
would work due to the underlying call to lowlevel.acm).
Signed-off-by: Bryan D. Payne <bdpayne@us.ibm.com>
Signed-off-by: Reiner Sailer <sailer@us.ibm.com>
This test imports a ram disk device as a physical device into a domU.
The domU initialises the ram disk with data from /dev/urandom and
calculates the md5 checksum of the data (using tee as it is written so as to
avoid reading it back from the device which might potentially mask
problems).
The domU is stopped and the md5 checksum of the data on the device is
calculated by dom0. The test succeeds if the checksums match, indicating
that all the data written by domU was sucessfully committed to the
device.
This patch also enables tee in BusyBox on the ramdisk and increments the
xm-test version number to 0.8.0.
The patch also installs the block-integrity tests in the default test
set so they get executed.
Signed-off-by: Harry Butterworth <butterwo@uk.ibm.com>
Signed-off-by: Ewan Mellor <ewan@xensource.com>
**NOTE**: This obviates the need for lowmem_emergency_pool.
Unpriv guests no longer need to be able to allocate memory
below 4GB for PAE PDPTs.
Signed-off-by: Keir Fraser <keir@xensource.com>
On the ES7000 when Dom0 boots up with all of system memory and you try
to bring up a DomU with more than 2GB of memory, xend times out before
the memory is freed causing the domain not to be created. This patch
increases the timeout depending on the amount of memory that needs to be
freed. It also places a cap on the sleep time so that it does not grow
without a limit. This fixes bug# 650
http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=3D650
Signed-off-by: Aravindh Puthiyaparambil
<aravindh.puthiyaparambil@unisys.com>
into a context structure. This context can then be handed to
callback operations.
Based on an original patch from Mats Petersson <mats.petersson@amd.com>
Signed-off-by: Keir Fraser <keir@xensource.com>
with command-specific request structures. It aligns the ACM
hypercalls with the way parameters are passed in the event channel
hypercalls.
Advantages include backward-compatibility regarding old guests when
new calls are added and clarity of the code.
Signed-off by: Reiner Sailer <sailer@us.ibm.com>
