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Author SHA1 Message Date
Emanuele Giuseppe Esposito d05ab380db block: Mark drain related functions GRAPH_RDLOCK
Draining recursively traverses the graph, therefore we need to make sure
that also such accesses to the graph are protected by the graph rdlock.

There are 3 different drain callers to consider:
1. drain in the main loop: no issue at all, rdlock is nop.
2. drain in an iothread: rdlock only works in main loop or coroutines,
   so disallow it.
3. drain in a coroutine (regardless of AioContext): the drain mechanism
   takes care of scheduling a BH in the bs->aio_context that will
   then take care of perform the actual draining. This is wrong,
   because as pointed in (2) if bs->aio_context is an iothread then
   rdlock won't work. Therefore change bdrv_co_yield_to_drain to
   schedule the BH in the main loop.

Caller (2) also implies that we need to modify test-bdrv-drain.c to
disallow draining in the iothreads.

For some places, we know that they will hold the lock, but we don't have
the GRAPH_RDLOCK annotations yet. In this case, add assume_graph_lock()
with a FIXME comment. These places will be removed once everything is
properly annotated.

Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-ID: <20230929145157.45443-6-kwolf@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2023-10-12 16:31:33 +02:00
Kevin Wolf 2b3912f135 block: Mark bdrv_first_blk() and bdrv_is_root_node() GRAPH_RDLOCK
This adds GRAPH_RDLOCK annotations to declare that callers of
bdrv_first_blk() and bdrv_is_root_node() need to hold a reader lock
for the graph. These functions are the only functions in block-backend.c
that access the parent list of a node.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-ID: <20230929145157.45443-5-kwolf@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2023-10-12 16:31:33 +02:00
Kevin Wolf 903df115aa test-bdrv-drain: Don't call bdrv_graph_wrlock() in coroutine context
AIO callbacks are effectively coroutine_mixed_fn. If AIO requests don't
return immediately, their callback is called from the request coroutine.
This means that in AIO callbacks, we can't call no_coroutine_fns such as
bdrv_graph_wrlock(). Unfortunately test-bdrv-drain does so.

Change the test to use a BH to drop out of coroutine context, and add
coroutine_mixed_fn and no_coroutine_fn markers to clarify the context
each function runs in.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-ID: <20230929145157.45443-2-kwolf@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2023-10-12 16:31:33 +02:00
Stefan Hajnoczi a51e5124a6 testing, gdbstub and plugin updates
- enable more sbsa-ref tests in avocado
   - add swtpm to the package lists
   - reduce avocado noise in gitlab by limiting tests
   - make docker engine choice driven by configure and enable override
   - remove unneeded gcc suffix on some cross compilers
   - fix some NULL returns in gdbstub
   - improve locking in execlog plugin
   - introduce the GDBFeature structure
   - consistently set gdb_core_xml_file
   - use cleaner escaping for gdb xml
   - drop ancient gdb_has_xml() test
   - disable multi-instruction GUSA emulation when plugins enabled
   - fix some coverity issues in plugins
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Merge tag 'pull-omnibus-111023-1' of https://gitlab.com/stsquad/qemu into staging

testing, gdbstub and plugin updates

  - enable more sbsa-ref tests in avocado
  - add swtpm to the package lists
  - reduce avocado noise in gitlab by limiting tests
  - make docker engine choice driven by configure and enable override
  - remove unneeded gcc suffix on some cross compilers
  - fix some NULL returns in gdbstub
  - improve locking in execlog plugin
  - introduce the GDBFeature structure
  - consistently set gdb_core_xml_file
  - use cleaner escaping for gdb xml
  - drop ancient gdb_has_xml() test
  - disable multi-instruction GUSA emulation when plugins enabled
  - fix some coverity issues in plugins

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# gpg: Signature made Wed 11 Oct 2023 03:54:01 EDT
# gpg:                using RSA key 6685AE99E75167BCAFC8DF35FBD0DB095A9E2A44
# gpg: Good signature from "Alex Bennée (Master Work Key) <alex.bennee@linaro.org>" [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: 6685 AE99 E751 67BC AFC8  DF35 FBD0 DB09 5A9E 2A44

* tag 'pull-omnibus-111023-1' of https://gitlab.com/stsquad/qemu: (25 commits)
  contrib/plugins: fix coverity warning in hotblocks
  contrib/plugins: fix coverity warning in lockstep
  contrib/plugins: fix coverity warning in cache
  plugins: Set final instruction count in plugin_gen_tb_end
  target/sh4: Disable decode_gusa when plugins enabled
  accel/tcg: Add plugin_enabled to DisasContextBase
  gdbstub: Replace gdb_regs with an array
  gdbstub: Remove gdb_has_xml variable
  target/ppc: Remove references to gdb_has_xml
  target/arm: Remove references to gdb_has_xml
  gdbstub: Use g_markup_printf_escaped()
  hw/core/cpu: Return static value with gdb_arch_name()
  target/arm: Move the reference to arm-core.xml
  gdbstub: Introduce GDBFeature structure
  contrib/plugins: Use GRWLock in execlog
  plugins: Check if vCPU is realized
  gdbstub: Fix target.xml response
  gdbstub: Fix target_xml initialization
  configure: remove gcc version suffixes
  configure: allow user to override docker engine
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2023-10-11 09:43:10 -04:00
Fabiano Rosas 5274274c26 tests/qtest: migration: Add support for negative testing of qmp_migrate
There is currently no way to write a test for errors that happened in
qmp_migrate before the migration has started.

Add a version of qmp_migrate that ensures an error happens. To make
use of it a test needs to set MigrateCommon.result as
MIG_TEST_QMP_ERROR.

Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-ID: <20230712190742.22294-6-farosas@suse.de>
2023-10-11 11:17:02 +02:00
Fabiano Rosas 6830e53b4b tests/qtest: migration: Use migrate_incoming_qmp where appropriate
Use the new migrate_incoming_qmp helper in the places that currently
open-code calling migrate-incoming.

Reviewed-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-ID: <20230712190742.22294-4-farosas@suse.de>
2023-10-11 11:17:02 +02:00
Fabiano Rosas 28fa97e006 tests/qtest: migration: Add migrate_incoming_qmp helper
file-based migration requires the target to initiate its migration after
the source has finished writing out the data in the file. Currently
there's no easy way to initiate 'migrate-incoming', allow this by
introducing migrate_incoming_qmp helper, similarly to migrate_qmp.

Also make sure migration events are enabled and wait for the incoming
migration to start before returning. This avoid a race when querying
the migration status too soon after issuing the command.

Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-ID: <20230712190742.22294-3-farosas@suse.de>
2023-10-11 11:17:02 +02:00
Fabiano Rosas 9d47929034 tests/qtest: migration: Expose migrate_set_capability
The following patch will make use of this function from within
migrate-helpers.c, so move it there.

Reviewed-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-ID: <20230712190742.22294-2-farosas@suse.de>
2023-10-11 11:17:02 +02:00
Alex Bennée c691925092 tests/docker: make docker engine choice entirely configure driven
Since 0b1a649047 (tests/docker: use direct RUNC call to build
containers) we ended up with the potential for the remaining docker.py
script calls to deviate from the direct RUNC calls. Fix this by
dropping the use of ENGINE in the makefile and rely entirely on what
we detect at configure time.

We also tweak the RUNC detection so podman users can still run things
from the source tree.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20231009164104.369749-6-alex.bennee@linaro.org>
2023-10-11 08:46:33 +01:00
Alex Bennée 3e3df0d84f tests/lcitool: add swtpm to the package list
We need this to test some TPM stuff.

Reviewed-by: "Daniel P. Berrangé" <berrange@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20231009164104.369749-4-alex.bennee@linaro.org>
2023-10-11 08:46:23 +01:00
Alex Bennée a956ea5b34 tests/avocado: remove flaky test marking for test_sbsaref_edk2_firmware
After testing locally I decided to revert a5754847e0 (tests/avocado: Disable the
test_sbsaref_edk2_firmware by default) as the test seems pretty
stable:

   env QEMU_TEST_FLAKY_TESTS=1 retry.py -n 50 -c -- \
     ./tests/venv/bin/avocado run \
     ./tests/avocado/machine_aarch64_sbsaref.py:Aarch64SbsarefMachine.test_sbsaref_edk2_firmware

yields:

  Results summary:
  0: 50 times (100.00%), avg time 2.064 (0.04 varience/0.19 deviation)
  Ran command 50 times, 50 passes

Maybe f0ec14c78c (tests/avocado: Fix console data loss) has made it
more reliable?

Cc: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20231009164104.369749-3-alex.bennee@linaro.org>
2023-10-11 08:46:23 +01:00
Marcin Juszkiewicz 404b78446a tests/avocado: update firmware to enable OpenBSD test on sbsa-ref
Update prebuilt firmware images:
- Neoverse V1/N2 cpu support
- non-secure EL2 virtual timer
- XHCI controller in DSDT

With those changes we can now run OpenBSD as part of sbsa-ref tests.

Signed-off-by: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
Message-Id: <20230927120050.210187-2-marcin.juszkiewicz@linaro.org>
[AJB: fix whitespace and longline]
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20231009164104.369749-2-alex.bennee@linaro.org>
2023-10-11 08:46:21 +01:00
Stefan Hajnoczi 0ad0d9dcd1 seabios: update to git snapshot
Give seabios a bit real world testing before tagging a release.
 Update to release will follow later in the devel cycle.
 
 v3: update mmio64 acpi test.
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Merge tag 'firmware/seabios-20231010-pull-request' of https://gitlab.com/kraxel/qemu into staging

seabios: update to git snapshot

Give seabios a bit real world testing before tagging a release.
Update to release will follow later in the devel cycle.

v3: update mmio64 acpi test.

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# gpg: Signature made Tue 10 Oct 2023 07:25:57 EDT
# gpg:                using RSA key A0328CFFB93A17A79901FE7D4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" [full]
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>" [full]
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>" [full]
# Primary key fingerprint: A032 8CFF B93A 17A7 9901  FE7D 4CB6 D8EE D3E8 7138

* tag 'firmware/seabios-20231010-pull-request' of https://gitlab.com/kraxel/qemu:
  tests/acpi: disable tests/data/acpi/q35/DSDT.mmio64 updates
  tests/acpi: update expected data files
  seabios: update binaries to git snapshot
  seabios: update submodule to git snapshot
  tests/acpi: enable tests/data/acpi/q35/DSDT.mmio64 updates
  tests/bios-tables-test: tcg-emulate opteron for mmio64 test

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2023-10-10 10:22:16 -04:00
Gerd Hoffmann e83f3600f9 tests/acpi: disable tests/data/acpi/q35/DSDT.mmio64 updates
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2023-10-10 11:11:55 +02:00
Gerd Hoffmann c1774bdb11 tests/acpi: update expected data files
DefinitionBlock ("", "DSDT", 1, "BOCHS ", "BXPC    ", 0x00000001)
 {
     Scope (\)
     {
         OperationRegion (DBG, SystemIO, 0x0402, One)
         Field (DBG, ByteAcc, NoLock, Preserve)
         {
             DBGB,   8
         }

             DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, NonCacheable, ReadWrite,
                 0x00000000,         // Granularity
                 0x08000000,         // Range Minimum
                 0xAFFFFFFF,         // Range Maximum
                 0x00000000,         // Translation Offset
                 0xA8000000,         // Length
                 ,, , AddressRangeMemory, TypeStatic)
             DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, NonCacheable, ReadWrite,
                 0x00000000,         // Granularity
                 0xC0000000,         // Range Minimum
                 0xFEBFFFFF,         // Range Maximum
                 0x00000000,         // Translation Offset
                 0x3EC00000,         // Length
                 ,, , AddressRangeMemory, TypeStatic)
             QWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, Cacheable, ReadWrite,
                 0x0000000000000000, // Granularity
-                0x0000000200000000, // Range Minimum
-                0x00000009FFFFFFFF, // Range Maximum
+                0x000000FF00000000, // Range Minimum
+                0x00000106FFFFFFFF, // Range Maximum
                 0x0000000000000000, // Translation Offset
                 0x0000000800000000, // Length
                 ,, , AddressRangeMemory, TypeStatic)
         })

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2023-10-10 11:11:37 +02:00
Gerd Hoffmann 9a5ac9c261 tests/acpi: enable tests/data/acpi/q35/DSDT.mmio64 updates
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2023-10-10 09:39:56 +02:00
Gerd Hoffmann 7ff1b8c088 tests/bios-tables-test: tcg-emulate opteron for mmio64 test
seabios starts to make the placement of the 64bit mmio window
depend on the physical address space.  Run the testcase with
a fixed processor on tcg to avoid different results depending
on the host machine.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2023-10-10 09:39:56 +02:00
Stefan Hajnoczi 1527c6b6fa * util/log: re-allow switching away from stderr log file
* finish audio configuration rework
 * cleanup HVF stubs
 * remove more mentions of softmmu
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Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* util/log: re-allow switching away from stderr log file
* finish audio configuration rework
* cleanup HVF stubs
* remove more mentions of softmmu

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# gpg: Signature made Sun 08 Oct 2023 15:08:50 EDT
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* tag 'for-upstream' of https://gitlab.com/bonzini/qemu: (25 commits)
  audio, qtest: get rid of QEMU_AUDIO_DRV
  audio: reintroduce default audio backend for VNC
  audio: do not use first -audiodev as default audio device
  audio: extend -audio to allow creating a default backend
  audio: extract audio_define_default
  audio: disable default backends if -audio/-audiodev is used
  audio: error hints need a trailing \n
  cutils: squelch compiler warnings with custom paths
  configure: change $softmmu to $system
  system: Rename softmmu/ directory as system/
  meson: Rename target_softmmu_arch -> target_system_arch
  meson: Rename softmmu_mods -> system_mods
  target/i386: Rename i386_softmmu_kvm_ss -> i386_kvm_ss
  semihosting: Rename softmmu_FOO_user() -> uaccess_FOO_user()
  gdbstub: Rename 'softmmu' -> 'system'
  accel: Rename accel_softmmu* -> accel_system*
  tcg: Correct invalid mentions of 'softmmu' by 'system-mode'
  fuzz: Correct invalid mentions of 'softmmu' by 'system'
  cpu: Correct invalid mentions of 'softmmu' by 'system-mode'
  travis-ci: Correct invalid mentions of 'softmmu' by 'system'
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2023-10-09 10:11:18 -04:00
Paolo Bonzini 912eef205a audio, qtest: get rid of QEMU_AUDIO_DRV
Default audio devices can now be created with "-audio".  Tests for
soundcards were already using "-audiodev" if they want to specify a
particular backend, for the others remove the last remnants of
legacy audio configuration.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-10-08 21:08:27 +02:00
Philippe Mathieu-Daudé 8d7f2e767d system: Rename softmmu/ directory as system/
The softmmu/ directory contains files specific to system
emulation. Rename it as system/. Update meson rules, the
MAINTAINERS file and all the documentation and comments.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20231004090629.37473-14-philmd@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-10-08 21:08:08 +02:00
Philippe Mathieu-Daudé 7893e42d5d tcg: Correct invalid mentions of 'softmmu' by 'system-mode'
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20231004090629.37473-6-philmd@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-10-07 19:02:33 +02:00
Philippe Mathieu-Daudé c2646d4958 fuzz: Correct invalid mentions of 'softmmu' by 'system'
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Alexander Bulekov <alxndr@bu.edu>
Message-ID: <20231004090629.37473-5-philmd@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-10-07 19:02:33 +02:00
Eric Blake 2dcbb11b39 nbd/server: Add FLAG_PAYLOAD support to CMD_BLOCK_STATUS
Allow a client to request a subset of negotiated meta contexts.  For
example, a client may ask to use a single connection to learn about
both block status and dirty bitmaps, but where the dirty bitmap
queries only need to be performed on a subset of the disk; forcing the
server to compute that information on block status queries in the rest
of the disk is wasted effort (both at the server, and on the amount of
traffic sent over the wire to be parsed and ignored by the client).

Qemu as an NBD client never requests to use more than one meta
context, so it has no need to use block status payloads.  Testing this
instead requires support from libnbd, which CAN access multiple meta
contexts in parallel from a single NBD connection; an interop test
submitted to the libnbd project at the same time as this patch
demonstrates the feature working, as well as testing some corner cases
(for example, when the payload length is longer than the export
length), although other corner cases (like passing the same id
duplicated) requires a protocol fuzzer because libnbd is not wired up
to break the protocol that badly.

This also includes tweaks to 'qemu-nbd --list' to show when a server
is advertising the capability, and to the testsuite to reflect the
addition to that output.

Of note: qemu will always advertise the new feature bit during
NBD_OPT_INFO if extended headers have alreay been negotiated
(regardless of whether any NBD_OPT_SET_META_CONTEXT negotiation has
occurred); but for NBD_OPT_GO, qemu only advertises the feature if
block status is also enabled (that is, if the client does not
negotiate any contexts, then NBD_CMD_BLOCK_STATUS cannot be used, so
the feature is not advertised).

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-ID: <20230925192229.3186470-26-eblake@redhat.com>
[eblake: fix logic to reject unnegotiated contexts]
Signed-off-by: Eric Blake <eblake@redhat.com>
2023-10-05 11:02:08 -05:00
Eric Blake 56cf9d0471 nbd/client: Request extended headers during negotiation
All the pieces are in place for a client to finally request extended
headers.  Note that we must not request extended headers when qemu-nbd
is used to connect to the kernel module (as nbd.ko does not expect
them, but expects us to do the negotiation in userspace before handing
the socket over to the kernel), but there is no harm in all other
clients requesting them.

Extended headers are not essential to the information collected during
'qemu-nbd --list', but probing for it gives us one more piece of
information in that output.  Update the iotests affected by the new
line of output.

Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Message-ID: <20230925192229.3186470-23-eblake@redhat.com>
2023-10-05 11:02:08 -05:00
Stefan Hajnoczi 2f3913f4b2 virtio,pci: features, cleanups
vdpa:
       shadow vq vlan support
       net migration with cvq
 cxl:
      support emulating 4 HDM decoders
      serial number extended capability
 virtio:
       hared dma-buf
 
 Fixes, cleanups all over the place.
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu into staging

virtio,pci: features, cleanups

vdpa:
      shadow vq vlan support
      net migration with cvq
cxl:
     support emulating 4 HDM decoders
     serial number extended capability
virtio:
      hared dma-buf

Fixes, cleanups all over the place.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

* tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu: (53 commits)
  libvhost-user: handle shared_object msg
  vhost-user: add shared_object msg
  hw/display: introduce virtio-dmabuf
  util/uuid: add a hash function
  virtio: remove unused next argument from virtqueue_split_read_next_desc()
  virtio: remove unnecessary thread fence while reading next descriptor
  virtio: use shadow_avail_idx while checking number of heads
  libvhost-user.c: add assertion to vu_message_read_default
  pcie_sriov: unregister_vfs(): fix error path
  hw/i386/pc: improve physical address space bound check for 32-bit x86 systems
  amd_iommu: Fix APIC address check
  vdpa net: follow VirtIO initialization properly at cvq isolation probing
  vdpa net: stop probing if cannot set features
  vdpa net: fix error message setting virtio status
  hw/pci-bridge/cxl-upstream: Add serial number extended capability support
  hw/cxl: Support 4 HDM decoders at all levels of topology
  hw/cxl: Fix and use same calculation for HDM decoder block size everywhere
  hw/cxl: Add utility functions decoder interleave ways and target count.
  hw/cxl: Push cxl_decoder_count_enc() and cxl_decode_ig() into .c
  vdpa net: zero vhost_vdpa iova_tree pointer at cleanup
  ...

Conflicts:
  hw/core/machine.c
  Context conflict with commit 314e0a84cd ("hw/core: remove needless
  includes") because it removed an adjacent #include.
2023-10-05 09:01:01 -04:00
Stefan Hajnoczi 800af0aae1 accel: Introduce AccelClass::cpu_common_[un]realize
accel: Target agnostic code movement
 accel/tcg: Cleanups to use CPUState instead of CPUArchState
 accel/tcg: Move CPUNegativeOffsetState into CPUState
 tcg: Split out tcg init functions to tcg/startup.h
 linux-user/hppa: Fix struct target_sigcontext layout
 build: Remove --enable-gprof
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Merge tag 'pull-tcg-20231004' of https://gitlab.com/rth7680/qemu into staging

accel: Introduce AccelClass::cpu_common_[un]realize
accel: Target agnostic code movement
accel/tcg: Cleanups to use CPUState instead of CPUArchState
accel/tcg: Move CPUNegativeOffsetState into CPUState
tcg: Split out tcg init functions to tcg/startup.h
linux-user/hppa: Fix struct target_sigcontext layout
build: Remove --enable-gprof

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# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [full]
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A  05C0 64DF 38E8 AF7E 215F

* tag 'pull-tcg-20231004' of https://gitlab.com/rth7680/qemu: (47 commits)
  tcg/loongarch64: Fix buid error
  tests/avocado: Re-enable MIPS Malta tests (GitLab issue #1884 fixed)
  build: Remove --enable-gprof
  linux-user/hppa: Fix struct target_sigcontext layout
  tcg: Split out tcg init functions to tcg/startup.h
  tcg: Remove argument to tcg_prologue_init
  accel/tcg: Make cpu-exec-common.c a target agnostic unit
  accel/tcg: Make icount.o a target agnostic unit
  accel/tcg: Make monitor.c a target-agnostic unit
  accel/tcg: Rename target-specific 'internal.h' -> 'internal-target.h'
  exec: Rename target specific page-vary.c -> page-vary-target.c
  exec: Rename cpu.c -> cpu-target.c
  accel: Rename accel-common.c -> accel-target.c
  accel: Make accel-blocker.o target agnostic
  accel/tcg: Restrict dump_exec_info() declaration
  exec: Move cpu_loop_foo() target agnostic functions to 'cpu-common.h'
  exec: Make EXCP_FOO definitions target agnostic
  accel/tcg: move ld/st helpers to ldst_common.c.inc
  accel/tcg: Unify user and softmmu do_[st|ld]*_mmu()
  accel/tcg: Remove env_tlb()
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2023-10-05 08:55:34 -04:00
Albert Esteve faefdba847 hw/display: introduce virtio-dmabuf
This API manages objects (in this iteration,
dmabuf fds) that can be shared along different
virtio devices, associated to a UUID.

The API allows the different devices to add,
remove and/or retrieve the objects by simply
invoking the public functions that reside in the
virtio-dmabuf file.

For vhost backends, the API stores the pointer
to the backend holding the object.

Suggested-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Albert Esteve <aesteve@redhat.com>
Message-Id: <20231002065706.94707-3-aesteve@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2023-10-04 18:15:06 -04:00
Albert Esteve a6ceee591a util/uuid: add a hash function
Add hash function to uuid module using the
djb2 hash algorithm.

Add a couple simple unit tests for the hash
function, checking collisions for similar UUIDs.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Albert Esteve <aesteve@redhat.com>
Message-Id: <20231002065706.94707-2-aesteve@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2023-10-04 18:15:06 -04:00
Ani Sinha cf0386509e hw/i386/pc: improve physical address space bound check for 32-bit x86 systems
32-bit x86 systems do not have a reserved memory for hole64. On those 32-bit
systems without PSE36 or PAE CPU features, hotplugging memory devices are not
supported by QEMU as QEMU always places hotplugged memory above 4 GiB boundary
which is beyond the physical address space of the processor. Linux guests also
does not support memory hotplug on those systems. Please see Linux
kernel commit b59d02ed08690 ("mm/memory_hotplug: disable the functionality
for 32b") for more details.

Therefore, the maximum limit of the guest physical address in the absence of
additional memory devices effectively coincides with the end of
"above 4G memory space" region for 32-bit x86 without PAE/PSE36. When users
configure additional memory devices, after properly accounting for the
additional device memory region to find the maximum value of the guest
physical address, the address will be outside the range of the processor's
physical address space.

This change adds improvements to take above into consideration.

For example, previously this was allowed:

$ ./qemu-system-x86_64 -cpu pentium -m size=10G

With this change now it is no longer allowed:

$ ./qemu-system-x86_64 -cpu pentium -m size=10G
qemu-system-x86_64: Address space limit 0xffffffff < 0x2bfffffff phys-bits too low (32)

However, the following are allowed since on both cases physical address
space of the processor is 36 bits:

$ ./qemu-system-x86_64 -cpu pentium2 -m size=10G
$ ./qemu-system-x86_64 -cpu pentium,pse36=on -m size=10G

For 32-bit, without PAE/PSE36, hotplugging additional memory is no longer allowed.

$ ./qemu-system-i386 -m size=1G,maxmem=3G,slots=2
qemu-system-i386: Address space limit 0xffffffff < 0x1ffffffff phys-bits too low (32)
$ ./qemu-system-i386 -machine q35 -m size=1G,maxmem=3G,slots=2
qemu-system-i386: Address space limit 0xffffffff < 0x1ffffffff phys-bits too low (32)

A new compatibility flag is introduced to make sure pc_max_used_gpa() keeps
returning the old value for machines 8.1 and older.
Therefore, the above is still allowed for older machine types in order to support
compatibility. Hence, the following still works:

$ ./qemu-system-i386 -machine pc-i440fx-8.1 -m size=1G,maxmem=3G,slots=2
$ ./qemu-system-i386 -machine pc-q35-8.1 -m size=1G,maxmem=3G,slots=2

Further, following is also allowed as with PSE36, the processor has 36-bit
address space:

$ ./qemu-system-i386 -cpu 486,pse36=on -m size=1G,maxmem=3G,slots=2

After calling CPUID with EAX=0x80000001, all AMD64 compliant processors
have the longmode-capable-bit turned on in the extended feature flags (bit 29)
in EDX. The absence of CPUID longmode can be used to differentiate between
32-bit and 64-bit processors and is the recommended approach. QEMU takes this
approach elsewhere (for example, please see x86_cpu_realizefn()), With
this change, pc_max_used_gpa() also uses the same method to detect 32-bit
processors.

Unit tests are modified to not run 32-bit x86 tests that use memory hotplug.

Suggested-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Ani Sinha <anisinha@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Message-Id: <20230922160413.165702-1-anisinha@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2023-10-04 18:15:06 -04:00
Philippe Mathieu-Daudé 432f936ae1 tests/avocado: Re-enable MIPS Malta tests (GitLab issue #1884 fixed)
Commit 18a536f1f8 ("accel/tcg: Always require can_do_io") fixed
the GitLab issue #1884: we can now re-enable those tests.

This reverts commit f959c3d87c.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Acked-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20231003063808.66564-1-philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-04 11:03:54 -07:00
Richard Henderson a0bc599726 build: Remove --enable-gprof
This build option has been deprecated since 8.0.
Remove all CONFIG_GPROF code that depends on that,
including one errant check using TARGET_GPROF.

Acked-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-04 11:03:54 -07:00
Daniil Tatianin b28e3ecf0d s390x/a-b-bios: zero the first byte of each page on start
Same as with the x86 verison of this test, we relied on the contents of
all pages in RAM to be the same across the entire test range, which is
very fragile. Zero the first byte of each page before running the
increment loop to fix this.

Fixes: 5571dc824b ("tests/migration: Enable the migration test on s390x, too")
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Daniil Tatianin <d-tatianin@yandex-team.ru>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-ID: <20230919102346.2117963-4-d-tatianin@yandex-team.ru>
2023-10-04 11:48:18 +02:00
Daniil Tatianin adc1914a40 i386/a-b-bootblock: zero the first byte of each page on start
The migration qtest all the way up to this point used to work by sheer
luck relying on the contents of all pages from 1MiB to 100MiB to contain
the same one value in the first byte initially.

This easily breaks if we reduce the amount of RAM for the test instances
from 150MiB to e.g 110MiB since that makes SeaBIOS dirty some of the
pages starting at about 0x5dd2000 (~93 MiB) as it reuses those for the
HighMemory allocator since commit dc88f9b72df ("malloc: use large
ZoneHigh when there is enough memory").

This would result in the following errors:
    12/60 qemu:qtest+qtest-x86_64 / qtest-x86_64/migration-test                 ERROR           2.74s   killed by signal 6 SIGABRT
    stderr:
    Memory content inconsistency at 5dd2000 first_byte = cc last_byte = cb current = 9e hit_edge = 1
    Memory content inconsistency at 5dd3000 first_byte = cc last_byte = cb current = 89 hit_edge = 1
    Memory content inconsistency at 5dd4000 first_byte = cc last_byte = cb current = 23 hit_edge = 1
    Memory content inconsistency at 5dd5000 first_byte = cc last_byte = cb current = 31 hit_edge = 1
    Memory content inconsistency at 5dd6000 first_byte = cc last_byte = cb current = 70 hit_edge = 1
    Memory content inconsistency at 5dd7000 first_byte = cc last_byte = cb current = ff hit_edge = 1
    Memory content inconsistency at 5dd8000 first_byte = cc last_byte = cb current = 54 hit_edge = 1
    Memory content inconsistency at 5dd9000 first_byte = cc last_byte = cb current = 64 hit_edge = 1
    Memory content inconsistency at 5dda000 first_byte = cc last_byte = cb current = 1d hit_edge = 1
    Memory content inconsistency at 5ddb000 first_byte = cc last_byte = cb current = 1a hit_edge = 1
    and in another 26 pages**
    ERROR:../tests/qtest/migration-test.c:300:check_guests_ram: assertion failed: (bad == 0)

Fix this by always zeroing the first byte of each page in the range so
that we get consistent results no matter the initial contents.

Fixes: ea0c6d6239 ("test: Postcopy")
Signed-off-by: Daniil Tatianin <d-tatianin@yandex-team.ru>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-ID: <20230919102346.2117963-3-d-tatianin@yandex-team.ru>
2023-10-04 11:47:40 +02:00
Daniil Tatianin 67aeae794e i386/a-b-bootblock: factor test memory addresses out into constants
So that we have less magic numbers to deal with. This also allows us to
reuse these in the following commits.

Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Daniil Tatianin <d-tatianin@yandex-team.ru>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-ID: <20230919102346.2117963-2-d-tatianin@yandex-team.ru>
2023-10-04 11:47:29 +02:00
Stefan Hajnoczi da1034094d * fix from optionrom build
* fix for KVM on Apple M2
 * introduce machine property "audiodev"
 * ui/vnc: Require audiodev= to enable audio
 * audio: remove QEMU_AUDIO_* and -audio-help support
 * audio: forbid using default audiodev backend with -audiodev and -nodefaults
 * remove compatibility code for old machine types
 * make-release: do not ship dtc sources
 * build system cleanups
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Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* fix from optionrom build
* fix for KVM on Apple M2
* introduce machine property "audiodev"
* ui/vnc: Require audiodev= to enable audio
* audio: remove QEMU_AUDIO_* and -audio-help support
* audio: forbid using default audiodev backend with -audiodev and -nodefaults
* remove compatibility code for old machine types
* make-release: do not ship dtc sources
* build system cleanups

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# gpg: Signature made Tue 03 Oct 2023 04:30:00 EDT
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* tag 'for-upstream' of https://gitlab.com/bonzini/qemu: (24 commits)
  audio: forbid default audiodev backend with -nodefaults
  audio: propagate Error * out of audio_init
  vt82c686 machines: Support machine-default audiodev with fallback
  hw/ppc: Support machine-default audiodev with fallback
  hw/arm: Support machine-default audiodev with fallback
  Introduce machine property "audiodev"
  audio: remove QEMU_AUDIO_* and -audio-help support
  audio: simplify flow in audio_init
  audio: commonize voice initialization
  audio: return Error ** from audio_state_by_name
  audio: allow returning an error from the driver init
  audio: Require AudioState in AUD_add_capture
  ui/vnc: Require audiodev= to enable audio
  crypto: only include tls-cipher-suites in emulators
  scsi-disk: ensure that FORMAT UNIT commands are terminated
  esp: restrict non-DMA transfer length to that of available data
  esp: use correct type for esp_dma_enable() in sysbus_esp_gpio_demux()
  Makefile: build plugins before running TCG tests
  meson: clean up static_library keyword arguments
  make-release: do not ship dtc sources
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2023-10-03 07:43:44 -04:00
Stefan Hajnoczi 50d0bfd0ed Migration Pull request (20231002)
In this migration pull request:
 
 - Refactor repeated call of yank_unregister_instance (tejus)
 - More migraton-test changes
 
 Please, apply.
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Merge tag 'migration-20231002-pull-request' of https://gitlab.com/juan.quintela/qemu into staging

Migration Pull request (20231002)

In this migration pull request:

- Refactor repeated call of yank_unregister_instance (tejus)
- More migraton-test changes

Please, apply.

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# gpg: Signature made Mon 02 Oct 2023 08:20:14 EDT
# gpg:                using RSA key 1899FF8EDEBF58CCEE034B82F487EF185872D723
# gpg: Good signature from "Juan Quintela <quintela@redhat.com>" [full]
# gpg:                 aka "Juan Quintela <quintela@trasno.org>" [full]
# Primary key fingerprint: 1899 FF8E DEBF 58CC EE03  4B82 F487 EF18 5872 D723

* tag 'migration-20231002-pull-request' of https://gitlab.com/juan.quintela/qemu:
  migration/rdma: Simplify the function that saves a page
  migration: Remove unused qemu_file_credit_transfer()
  migration/rdma: Don't use imaginary transfers
  migration/rdma: Remove QEMUFile parameter when not used
  migration/RDMA: It is accounting for zero/normal pages in two places
  migration: Don't abuse qemu_file transferred for RDMA
  migration: Use qemu_file_transferred_noflush() for block migration.
  migration: Refactor repeated call of yank_unregister_instance
  migration-test: simplify shmem_opts handling
  migration-test: dirtylimit checks for x86_64 arch before
  migration-test: Add bootfile_create/delete() functions
  migration-test: bootpath is the same for all tests and for all archs
  migration-test: Create kvm_opts

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2023-10-02 14:42:44 -04:00
Stefan Hajnoczi 5d7e601df3 -Wshadow=local patches patches for 2023-09-29
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Merge tag 'pull-shadow-2023-09-29' of https://repo.or.cz/qemu/armbru into staging

-Wshadow=local patches patches for 2023-09-29

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# gpg: Signature made Fri 29 Sep 2023 04:10:35 EDT
# gpg:                using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653
# gpg:                issuer "armbru@redhat.com"
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [full]
# gpg:                 aka "Markus Armbruster <armbru@pond.sub.org>" [full]
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867  4E5F 3870 B400 EB91 8653

* tag 'pull-shadow-2023-09-29' of https://repo.or.cz/qemu/armbru: (56 commits)
  disas/m68k: clean up local variable shadowing
  hw/nvme: Clean up local variable shadowing in nvme_ns_init()
  softmmu/device_tree: Fixup local variables shadowing
  target/riscv: vector_helper: Fixup local variables shadowing
  target/riscv: cpu: Fixup local variables shadowing
  hw/riscv: opentitan: Fixup local variables shadowing
  qemu-nbd: changes towards enabling -Wshadow=local
  seccomp: avoid shadowing of 'action' variable
  crypto: remove shadowed 'ret' variable
  intel_iommu: Fix shadow local variables on "size"
  aspeed/timer: Clean up local variable shadowing
  aspeed/i3c: Rename variable shadowing a local
  aspeed: Clean up local variable shadowing
  aspeed/i2c: Clean up local variable shadowing
  hw/arm/smmuv3-internal.h: Don't use locals in statement macros
  hw/arm/smmuv3.c: Avoid shadowing variable
  hw/misc/arm_sysctl.c: Avoid shadowing local variable
  hw/intc/arm_gicv3_its: Avoid shadowing variable in do_process_its_cmd()
  hw/acpi: changes towards enabling -Wshadow=local
  test-throttle: don't shadow 'index' variable in do_test_accounting()
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2023-10-02 14:42:30 -04:00
Paolo Bonzini ce43e84260 Makefile: build plugins before running TCG tests
Add back test-plugins and, after making sure it is always defined,
do so unconditionally.

Reported-by: Alex Bennée <alex.bennee@linaro.org>
Fixes: 2c13c57441 ("configure, meson: move --enable-plugins to meson", 2023-09-07)
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-10-02 18:04:39 +02:00
Juan Quintela 0368ace8f9 migration-test: simplify shmem_opts handling
Reviewed-by: Peter Xu <peterx@redhat.com>
Message-ID: <20230608224943.3877-4-quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
2023-09-29 17:05:23 +02:00
Juan Quintela 22d3c6e16c migration-test: dirtylimit checks for x86_64 arch before
So no need to assert we are in x86_64.
Once there, refactor the function to remove useless variables.

Reviewed-by: Peter Xu <peterx@redhat.com>
Message-ID: <20230608224943.3877-11-quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
2023-09-29 17:05:23 +02:00
Juan Quintela 0c690d3e2a migration-test: Add bootfile_create/delete() functions
The bootsector code is read only from the guest (otherwise we are
going to have problems with it being read from both source and
destination).

Create a single copy for all the tests.

Reviewed-by: Peter Xu <peterx@redhat.com>
Message-ID: <20230608224943.3877-10-quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
2023-09-29 17:05:23 +02:00
Juan Quintela 877cec63d7 migration-test: bootpath is the same for all tests and for all archs
So just make it a global variable.

Reviewed-by: Peter Xu <peterx@redhat.com>
Message-ID: <20230608224943.3877-9-quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
2023-09-29 17:05:23 +02:00
Juan Quintela 71d3612401 migration-test: Create kvm_opts
So arch_dirty_ring option becomes one option like the others.

Reviewed-by: Peter Xu <peterx@redhat.com>
Message-ID: <20230608224943.3877-8-quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
2023-09-29 17:05:23 +02:00
Alberto Garcia d8573092a4 test-throttle: don't shadow 'index' variable in do_test_accounting()
Fixes build with -Wshadow=local

Signed-off-by: Alberto Garcia <berto@igalia.com>
Message-ID: <20230922105742.81317-1-berto@igalia.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2023-09-29 10:07:18 +02:00
Bastian Koppelmann 76bc63d7ed tests/tcg: Reset result register after each test
some insns use the result register implicitly as an input. Thus, we
could end up with data from the previous insn spilling over.

Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Message-ID: <20230913105326.40832-4-kbastian@mail.uni-paderborn.de>
2023-09-29 08:28:09 +02:00
Bastian Koppelmann 8c3cf3f2bd tests/tcg/tricore: Extended and non-extened regs now match
RSx for d regs and e regs now use the same numbering. This makes sure
that mixing d and e registers in an insn test will not overwrite data
between registers.

Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Message-ID: <20230913105326.40832-2-kbastian@mail.uni-paderborn.de>
2023-09-28 10:45:22 +02:00
Bastian Koppelmann 222ff2d358 target/tricore: Swap src and dst reg for RCRR_INSERT
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Message-ID: <20230828112651.522058-10-kbastian@mail.uni-paderborn.de>
2023-09-28 10:45:22 +02:00
Bastian Koppelmann 23fa6f56b3 target/tricore: Fix RCPW/RRPW_INSERT insns for width = 0
we would crash if width was 0 for these insns, as tcg_gen_deposit() is
undefined for that case. For TriCore, width = 0 is a mov from the src reg
to the dst reg, so we special case this here.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Message-ID: <20230828112651.522058-9-kbastian@mail.uni-paderborn.de>
2023-09-28 10:45:22 +02:00
Bastian Koppelmann 5e0e06d9a2 target/tricore: Implement hptof insn
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1667
Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Message-ID: <20230828112651.522058-8-kbastian@mail.uni-paderborn.de>
2023-09-28 10:45:22 +02:00
Bastian Koppelmann 815061b9da target/tricore: Implement ftohp insn
reported in https://gitlab.com/qemu-project/qemu/-/issues/1667

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Message-ID: <20230828112651.522058-7-kbastian@mail.uni-paderborn.de>
2023-09-28 10:45:22 +02:00