Add an Error parameter to blk_set_aio_context() and use
bdrv_child_try_set_aio_context() internally to check whether all
involved nodes can actually support the AioContext switch.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
The NBD server uses an AioContext notifier, so it can tolerate that its
BlockBackend is switched to a different AioContext. Before we start
actually calling bdrv_try_set_aio_context(), which checks for
consistency, outside of test cases, we need to make sure that the NBD
server actually allows this.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Just make the test cover the AioContext of the filter node as well.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kenneth Heitke <kenneth.heitke@intel.com>
Reviewed-by: Klaus Birkelund Jensen <klaus.jensen@cnexlabs.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Callback-based laio_submit() and laio_cancel() were left after
rewriting Linux AIO backend to coroutines in hope that they would be
used in other code that could bypass coroutines. They can be safely
removed because they have not been used since that time.
Signed-off-by: Julia Suvorova <jusual@mail.ru>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This patch adds a test where we cancel a throttled mirror job and
immediately close the VM before it can be cancelled. Doing so will
invoke bdrv_drain_all() while the mirror job tries to drain the
throttled node. When bdrv_drain_all_end() tries to lift its drain on
the throttle node, the job will exit and replace the current root node
of the BB drive0 (which is the job's filter node) by the throttle node.
Before the previous patch, this replacement did not increase drive0's
quiesce_counter by a sufficient amount, so when
bdrv_parent_drained_end() (invoked by bdrv_do_drained_end(), invoked by
bdrv_drain_all_end()) tried to end the drain on all of the throttle
node's parents, it decreased drive0's quiesce_counter below 0 -- which
fails an assertion.
Signed-off-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
When ending a drained section, bdrv_do_drained_end() currently first
decrements the quiesce_counter, and only then actually ends the drain.
The bdrv_drain_invoke(bs, false) call may cause graph changes. Say the
graph change involves replacing an existing BB's ("blk") BDS
(blk_bs(blk)) by @bs. Let us introducing the following values:
- bs_oqc = old_quiesce_counter
(so bs->quiesce_counter == bs_oqc - 1)
- obs_qc = blk_bs(blk)->quiesce_counter (before bdrv_drain_invoke())
Let us assume there is no blk_pread_unthrottled() involved, so
blk->quiesce_counter == obs_qc (before bdrv_drain_invoke()).
Now replacing blk_bs(blk) by @bs will reduce blk->quiesce_counter by
obs_qc (making it 0) and increase it by bs_oqc-1 (making it bs_oqc-1).
bdrv_drain_invoke() returns and we invoke bdrv_parent_drained_end().
This will decrement blk->quiesce_counter by one, so it would be -1 --
were there not an assertion against that in blk_root_drained_end().
We therefore have to keep the quiesce_counter up at least until
bdrv_drain_invoke() returns, so that bdrv_parent_drained_end() does the
right thing for the parents @bs got during bdrv_drain_invoke().
But let us delay it even further, namely until bdrv_parent_drained_end()
returns, because then it mirrors bdrv_do_drained_begin(): There, we
first increment the quiesce_counter, then begin draining the parents,
and then call bdrv_drain_invoke(). It makes sense to let
bdrv_do_drained_end() unravel this exactly in reverse.
Signed-off-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
drv_co_block_status digs bs->file for additional, more accurate search
for hole inside region, reported as DATA by bs since 5daa74a6eb.
This accuracy is not free: assume we have qcow2 disk. Actually, qcow2
knows, where are holes and where is data. But every block_status
request calls lseek additionally. Assume a big disk, full of
data, in any iterative copying block job (or img convert) we'll call
lseek(HOLE) on every iteration, and each of these lseeks will have to
iterate through all metadata up to the end of file. It's obviously
ineffective behavior. And for many scenarios we don't need this lseek
at all.
However, lseek is needed when we have metadata-preallocated image.
So, let's detect metadata-preallocation case and don't dig qcow2's
protocol file in other cases.
The idea is to compare allocation size in POV of filesystem with
allocations size in POV of Qcow2 (by refcounts). If allocation in fs is
significantly lower, consider it as metadata-preallocation case.
102 iotest changed, as our detector can't detect shrinked file as
metadata-preallocation, which don't seem to be wrong, as with metadata
preallocation we always have valid file length.
Two other iotests have a slight change in their QMP output sequence:
Active 'block-commit' returns earlier because the job coroutine yields
earlier on a blocking operation. This operation is loading the refcount
blocks in qcow2_detect_metadata_preallocation().
Suggested-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Block layer may recursively check block_status in file child of qcow2,
if qcow2 driver returned DATA. There are several test cases to check
influence of lseek on block_status performance. To see real difference
run on tmpfs.
Tests originally created by Kevin, I just refactored and put them
together into one executable file with simple output.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
If the bitmap can't be used for whatever reason, we skip putting down
the reference. Fix that.
In practice, this means that if you attempt to gracefully exit QEMU
after a backup command being rejected, bdrv_close_all will fail and
tell you some unpleasant things via assert().
Reported-by: aihua liang <aliang@redhat.com>
Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1703916
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This tests that concurrent requests are correctly drained before making
graph modifications instead of running into assertions in
bdrv_replace_node().
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Instead of just asserting that no requests are in flight in
bdrv_replace_node(), which is a requirement that most callers ignore, we
can just drain the source node right there. This fixes at least starting
a commit job while I/O is active on the backing chain, but probably
other callers, too.
Having requests in flight on the target node isn't a problem because the
target just gets new parents, but the call path of running requests
isn't modified. So we can just drop this assertion without a replacement.
Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1711643
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
adds simple arm/virt test case that starts guest with
bios-tables-test.aarch64.iso.qcow2 boot image which
initializes UefiTestSupport* structure in RAM once
guest is booted.
* see commit: tests: acpi: add acpi_find_rsdp_address_uefi() helper
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <1559560929-260254-3-git-send-email-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <1559560929-260254-2-git-send-email-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Fail after comparing all tables: this way
user gets the full list of tables that need
to be updated or whitelisted.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Commit b2fc91db84 ("q35: set split kernel irqchip as default") changed
the default for the pc-q35-4.0 machine type to use split irqchip, which
turned out to have disasterous effects on vfio-pci INTx support. KVM
resampling irqfds are registered for handling these interrupts, but
these are non-functional in split irqchip mode. We can't simply test
for split irqchip in QEMU as userspace handling of this interrupt is a
significant performance regression versus KVM handling (GeForce GPUs
assigned to Windows VMs are non-functional without forcing MSI mode or
re-enabling kernel irqchip).
The resolution is to revert the change in default irqchip mode in the
pc-q35-4.1 machine and create a pc-q35-4.0.1 machine for the 4.0-stable
branch. The qemu-q35-4.0 machine type should not be used in vfio-pci
configurations for devices requiring legacy INTx support without
explicitly modifying the VM configuration to use kernel irqchip.
Link: https://bugs.launchpad.net/qemu/+bug/1826422
Fixes: b2fc91db84 ("q35: set split kernel irqchip as default")
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Message-Id: <155786484688.13873.6037015630912983760.stgit@gimli.home>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This is a left-over from commit 7aaa6a1637 "tpm: express dependencies
with Kconfig".
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20190524181411.8599-1-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Patchew cannot yet retrieve the configuration from the QEMU Git tree, but
this is planned. In the meanwhile, let's start storing it as YAML
so that the Patchew configuration (currently accessible only to administrators)
is public and documented.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This removes the hardcoded I2C address from the tests. The address
is passed via QOSGraphEdgeOptions to i2c_device_create and stored
in the QI2CDevice.
The i2c_send and i2c_recv functions, along with their wrappers,
therefore, can be changed to take a QI2CDevice rather than an
adapter/address pair.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Create an i2c-bus interface, corresponding to the I2CAdapter struct.
Wrap IMXI2C and OMAPI2C with a QOSGraphObject, and add the get_driver
function to retrieve the I2CAdapter.
The conversion is still not complete; for simplicity, i2c_recv and
i2c_send (along with their wrappers) still take an adapter/address
pair. Fixing that would be complicated until the tests are converted
to qgraph, so it is left for after the conversion.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Provide *_init functions that populate an I2CAdapter struct without
allocating one, and make the existing *_create functions wrap them.
Because in the new setup *_create might return a pointer inside the
IMXI2C or OMAPI2C struct, create companion *_free functions to go
back to the outer pointer.
All this is temporary until allocation will be handled entirely by
qgraph.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
There is no need to have a test device created by the board.
Instead, create it in the qtest so that we will be able to run
it on other boards too.
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
receive_autoinc is relying on the LED state that is set by
send_and_receive. Stop doing that, because qgraph resets the
machine between tests.
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
If more than 4 bytes are received, the FIFO cannot host the entire
contents of the transfer and STP will be nonzero before entering
the transfer loop. Also, CNT will contain the number of bytes
left to be transferred instead of the total number of bytes in
the transfer.
(Reverse engineered from the omap_i2c.c source code; no available
datasheet).
This will fix ds1338-test for omap-i2c.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The functions to read/write 8-bit or 16-bit registers are the same
in tmp105 and pca9552 tests, and in fact they are a special case of
"read block"/"write block" functionality; read block in turn is used
in ds1338-test.
Move everything inside libqos-test, removing the duplication. Account
for the small differences by adding to tmp105-test.c the "read register
after writing" behavior that is specific to it.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Currently, if qos_node_contains was passed options, it would still
create an edge without any options. Instead, in that case
NULL acts as a terminator.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Allow choosing the bus that the device will be placed on, in case
the machine has more than one. Otherwise, the bus may not match
the base address of the controller we attach it to.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The dma related variable dma.dst/src/cnt is dma_addr_t, it is
uint64_t in x64 platform. Change these usage from uint32_to
uint64_t to avoid trancation in edu_dma_timer.
Signed-off-by: Li Qiang <liq3ea@163.com>
Message-Id: <20190510164349.81507-4-liq3ea@163.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The edu spec says when address >= 0x80, the MMIO area can
be accessed by 64-bit.
Signed-off-by: Li Qiang <liq3ea@163.com>
Reviewed-by: Philippe Mathieu-Daude <philmd@redhat.com>
Message-Id: <20190510164349.81507-3-liq3ea@163.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The edu spec says the MMIO area can be accessed by 64-bit.
However currently the 'max_access_size' is not so the MMIO
access dispatch can only access 32-bit one time. This patch fixes
this to respect the spec.
Signed-off-by: Li Qiang <liq3ea@163.com>
Reviewed-by: Philippe Mathieu-Daude <philmd@redhat.com>
Message-Id: <20190510164349.81507-2-liq3ea@163.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The CPUID.01H:ECX[bit 3] ought to mirror the value of the MSR
IA32_MISC_ENABLE MWAIT bit and as userspace has control of them
both, it is userspace's job to configure both bits to match on
the initial setup.
Cc: Eduardo Habkost <ehabkost@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Wanpeng Li <wanpengli@tencent.com>
Message-Id: <1557813999-9175-1-git-send-email-wanpengli@tencent.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
It's never used anywhere.
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20190520030839.6795-5-peterx@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
According to: https://spdx.org/ids-how, let's still allow QEMU to use
the SPDX license identifier:
// SPDX-License-Identifier: ***
CC: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20190426062705.4651-1-peterx@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Currently, -accel help shows all possible accelerators regardless
if they are enabled in the binary or not. That is a different
semantic from -cpu and -machine helps, for example. So this change
makes it to list only the accelerators which support is compiled
in the binary target.
Note that it does not check if the accelerator is enabled in the
host, so the help message's header was rewritten to emphasize
that. Also qtest is not displayed given that it is used for
internal testing purpose only.
Signed-off-by: Wainer dos Santos Moschetta <wainersm@redhat.com>
Message-Id: <20190530215755.328-2-wainersm@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
There is a rare race between the atomic_cmpxchg and
bdrv_aio_cancel/bdrv_aio_cancel_async invocations. Detect it, the
only sensible we can do about it is to exit long_cb immediately.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Merge remote-tracking branch 'remotes/amarkovic/tags/mips-queue-jun-1-2019' into staging
MIPS queue for June 1st, 2019
# gpg: Signature made Sat 01 Jun 2019 19:20:47 BST
# gpg: using RSA key D4972A8967F75A65
# gpg: Good signature from "Aleksandar Markovic <amarkovic@wavecomp.com>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 8526 FBF1 5DA3 811F 4A01 DD75 D497 2A89 67F7 5A65
* remotes/amarkovic/tags/mips-queue-jun-1-2019:
target/mips: Improve performance of certain MSA instructions
target/mips: Clean up lmi_helper.c
target/mips: Clean up dsp_helper.c
tests/tcg: target/mips: Add tests for MSA bit set instructions
target/mips: Amend and cleanup MSA TCG tests
target/mips: Add emulation of MMI instruction PCPYUD
target/mips: Add emulation of MMI instruction PCPYLD
target/mips: Add emulation of MMI instruction PCPYH
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
In order to perform a valid migration of a vhost-scsi device,
the following requirements must be met:
(1) The virtio-scsi device state needs to be saved & loaded.
(2) The vhost backend must be stopped before virtio-scsi device state
is saved:
(2.1) Sync vhost backend state to virtio-scsi device state.
(2.2) No further I/O requests are made by vhost backend to target
SCSI device.
(2.3) No further guest memory access takes place after VM is stopped.
(3) Requests in-flight to target SCSI device are completed before
migration handover.
(4) Target SCSI device state needs to be saved & loaded into the
destination host target SCSI device.
Previous commit ("vhost-scsi: Add VMState descriptor")
add support to save & load the device state using VMState.
This meets requirement (1).
When VM is stopped by migration thread (On Pre-Copy complete), the
following code path is executed:
migration_completion() -> vm_stop_force_state() -> vm_stop() ->
do_vm_stop().
do_vm_stop() calls first pause_all_vcpus() which pause all guest
vCPUs and then call vm_state_notify().
In case of vhost-scsi device, this will lead to the following code path
to be executed:
vm_state_notify() -> virtio_vmstate_change() ->
virtio_set_status() -> vhost_scsi_set_status() -> vhost_scsi_stop().
vhost_scsi_stop() then calls vhost_scsi_clear_endpoint() and
vhost_scsi_common_stop().
vhost_scsi_clear_endpoint() sends VHOST_SCSI_CLEAR_ENDPOINT ioctl to
vhost backend which will reach kernel's vhost_scsi_clear_endpoint()
which process all pending I/O requests and wait for them to complete
(vhost_scsi_flush()). This meets requirement (3).
vhost_scsi_common_stop() will stop the vhost backend.
As part of this stop, dirty-bitmap is synced and vhost backend state is
synced with virtio-scsi device state. As at this point guest vCPUs are
already paused, this meets requirement (2).
At this point we are left with requirement (4) which is target SCSI
device specific and therefore cannot be done by QEMU. Which is the main
reason why vhost-scsi adds a migration blocker.
However, as this can be handled either by an external orchestrator or
by using shared-storage (i.e. iSCSI), there is no reason to limit the
orchestrator from being able to explictly specify it wish to enable
migration even when VM have a vhost-scsi device.
Considering all the above, this commit allows orchestrator to explictly
specify that it is responsbile for taking care of requirement (4) and
therefore vhost-scsi should not add a migration blocker.
Reviewed-by: Nir Weiner <nir.weiner@oracle.com>
Reviewed-by: Bijan Mottahedeh <bijan.mottahedeh@oracle.com>
Signed-off-by: Liran Alon <liran.alon@oracle.com>
Message-Id: <20190416125912.44001-4-liran.alon@oracle.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
As preparation of enabling migration of vhost-scsi device,
define it’s VMState. Note, we keep the convention of
verifying in the pre_save() method that the vhost backend
must be stopped before attempting to save the device
state. Similar to how it is done for vhost-vsock.
Reviewed-by: Bijan Mottahedeh <bijan.mottahedeh@oracle.com>
Reviewed-by: Liran Alon <liran.alon@oracle.com>
Signed-off-by: Nir Weiner <nir.weiner@oracle.com>
Message-Id: <20190416125912.44001-3-liran.alon@oracle.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
vhost-scsi doesn’t takes into account whether the VM is running or not in
order to decide if it should start/stop vhost backend.
This would lead to vhost backend still being active when VM's RunState
suddenly change to stopped.
An example of when this issue is encountered is when Live-Migration Pre-Copy
phase completes. As in this case, VM state will be changed to stopped (while
vhost backend is still active), which will result in
virtio_vmstate_change() -> virtio_set_status() -> vhost_scsi_set_status()
executed but vhost_scsi_set_status() will just return without stopping
vhost backend.
To handle this, change code to consider that vhost processing should be
stopped when VM is not running. Similar to how it is done in vhost-vsock
device at vhost_vsock_set_status().
Fixes: 5e9be92d77 ("vhost-scsi: new device supporting the tcm_vhost Linux kernel module”)
Reviewed-by: Bijan Mottahedeh <bijan.mottahedeh@oracle.com>
Reviewed-by: Liran Alon <liran.alon@oracle.com>
Signed-off-by: Nir Weiner <nir.weiner@oracle.com>
Message-Id: <20190416125912.44001-2-liran.alon@oracle.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Remove several minor checkpatch warnings and errors.
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <1556018982-3715-7-git-send-email-aleksandar.markovic@rt-rk.com>
Remove several minor checkpatch warnings and errors.
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <1556018982-3715-6-git-send-email-aleksandar.markovic@rt-rk.com>
Add tests for MSA bit set instructions. This includes following
instructions:
* BCLR.B - clear bit (bytes)
* BCLR.H - clear bit (halfwords)
* BCLR.W - clear bit (words)
* BCLR.D - clear bit (doublewords)
* BNEG.B - negate bit (bytes)
* BNEG.H - negate bit (halfwords)
* BNEG.W - negate bit (words)
* BNEG.D - negate bit (doublewords)
* BSET.B - set bit (bytes)
* BSET.H - set bit (halfwords)
* BSET.W - set bit (words)
* BSET.D - set bit (doublewords)
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Aleksandar Rikalo <arikalo@wavecomp.com>
Message-Id: <1555699081-24577-5-git-send-email-aleksandar.markovic@rt-rk.com>
Add missing bits and peaces of the tests of the emulation of certain
MSA (non-immediate variants): some tests were missing two last cases;
some instructions were missing wrappers; some test included wrong
headers; some tests were missing altogether; updated some copywright
preambles; do several other minor cleanups.
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Signed-off-by: Mateja Marjanovic <mateja.marjanovic@rt-rk.com>
Reviewed-by: Aleksandar Rikalo <arikalo@wavecomp.com>
Message-Id: <1555699081-24577-4-git-send-email-aleksandar.markovic@rt-rk.com>
Add emulation of MMI instruction PCPYUD. The emulation is implemented
using TCG front end operations directly to achieve better performance.
Signed-off-by: Mateja Marjanovic <mateja.marjanovic@rt-rk.com>
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Aleksandar Rikalo <arikalo@wavecomp.com>
Message-Id: <1551712405-2530-4-git-send-email-mateja.marjanovic@rt-rk.com>
