Commit Graph

2255 Commits

Author SHA1 Message Date
Ani Sinha
a5ebaaf98c acpi/tests/avocado/bits/doc: add a doc file to describe the acpi bits test
A doc file is added under docs/devel that describes the purpose of the various
test files and gives guidance to developers on where and how to make changes.

Cc: Daniel P. Berrange" <berrange@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Maydell Peter <peter.maydell@linaro.org>
Cc: John Snow <jsnow@redhat.com>
Cc: Thomas Huth <thuth@redhat.com>
Cc: Alex Bennée <alex.bennee@linaro.org>
Cc: Igor Mammedov <imammedo@redhat.com>
Cc: Michael Tsirkin <mst@redhat.com>
Signed-off-by: Ani Sinha <ani@anisinha.ca>
Message-Id: <20221021095108.104843-7-ani@anisinha.ca>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2022-11-02 06:56:32 -04:00
Stefan Hajnoczi
179938097d ppc patch queue for 2022-10-29:
This queue has the second part of the ppc4xx_sdram cleanups, doorbell
 instructions for POWER8,  new pflash handling for the e500 machine and a
 Radix MMU regression fix.
 
 It also has a lot of performance optimizations in the PowerPC emulation
 done by the researchers of the Eldorado institute. Between using gvec
 for VMX/VSX instructions, a full rework of the interrupt model and PMU
 optimizations, they managed to drastically speed up the emulation of
 powernv8/9/10 machines.  Here's an example with avocado tests:
 
 - with master:
 
 tests/avocado/boot_linux_console.py:BootLinuxConsole.test_ppc_powernv8:
 PASS (38.89 s)
 tests/avocado/boot_linux_console.py:BootLinuxConsole.test_ppc_powernv9:
 PASS (43.89 s)
 
 - with this queue applied:
 
 tests/avocado/boot_linux_console.py:BootLinuxConsole.test_ppc_powernv8:
 PASS (21.23 s)
 tests/avocado/boot_linux_console.py:BootLinuxConsole.test_ppc_powernv9:
 PASS (22.58 s)
 
 Other ppc machines, like pseries, also had a noticeable performance
 boost.
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Merge tag 'pull-ppc-20221029' of https://gitlab.com/danielhb/qemu into staging

ppc patch queue for 2022-10-29:

This queue has the second part of the ppc4xx_sdram cleanups, doorbell
instructions for POWER8,  new pflash handling for the e500 machine and a
Radix MMU regression fix.

It also has a lot of performance optimizations in the PowerPC emulation
done by the researchers of the Eldorado institute. Between using gvec
for VMX/VSX instructions, a full rework of the interrupt model and PMU
optimizations, they managed to drastically speed up the emulation of
powernv8/9/10 machines.  Here's an example with avocado tests:

- with master:

tests/avocado/boot_linux_console.py:BootLinuxConsole.test_ppc_powernv8:
PASS (38.89 s)
tests/avocado/boot_linux_console.py:BootLinuxConsole.test_ppc_powernv9:
PASS (43.89 s)

- with this queue applied:

tests/avocado/boot_linux_console.py:BootLinuxConsole.test_ppc_powernv8:
PASS (21.23 s)
tests/avocado/boot_linux_console.py:BootLinuxConsole.test_ppc_powernv9:
PASS (22.58 s)

Other ppc machines, like pseries, also had a noticeable performance
boost.

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# gpg: Signature made Sat 29 Oct 2022 07:09:50 EDT
# gpg:                using EDDSA key 17EBFF9923D01800AF2838193CD9CA96DE033164
# gpg: Good signature from "Daniel Henrique Barboza <danielhb413@gmail.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: 17EB FF99 23D0 1800 AF28  3819 3CD9 CA96 DE03 3164

* tag 'pull-ppc-20221029' of https://gitlab.com/danielhb/qemu: (63 commits)
  target/ppc: Fix regression in Radix MMU
  hw/ppc/e500: Implement pflash handling
  hw/sd/sdhci: Rename ESDHC_* defines to USDHC_*
  hw/sd/sdhci-internal: Unexport ESDHC defines
  hw/block/pflash_cfi0{1, 2}: Error out if device length isn't a power of two
  docs/system/ppc/ppce500: Use qemu-system-ppc64 across the board(s)
  target/ppc: Increment PMC5 with inline insns
  target/ppc: Add new PMC HFLAGS
  ppc4xx_sdram: Add errp parameter to ppc4xx_sdram_banks()
  ppc4xx_sdram: Convert DDR SDRAM controller to new bank handling
  ppc4xx_sdram: Generalise bank setup
  ppc4xx_sdram: Rename local state variable for brevity
  ppc4xx_sdram: Use hwaddr for memory bank size
  ppc4xx_sdram: Move ppc4xx_sdram_banks() to ppc4xx_sdram.c
  ppc4xx_devs.c: Move DDR SDRAM controller model to ppc4xx_sdram.c
  ppc440_uc.c: Move DDR2 SDRAM controller model to ppc4xx_sdram.c
  target/ppc: move the p*_interrupt_powersave methods to excp_helper.c
  target/ppc: unify cpu->has_work based on cs->interrupt_request
  target/ppc: introduce ppc_maybe_interrupt
  target/ppc: remove ppc_store_lpcr from CONFIG_USER_ONLY builds
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2022-10-31 06:28:43 -04:00
Stefan Hajnoczi
d5ab9490cd Block layer patches
- Cleanup bs->backing and bs->file handling
 - Refactor bdrv_try_set_aio_context using transactions
 - Changes for improved coroutine_fn consistency
 - vhost-user-blk: fix the resize crash
 - io_uring: Use of io_uring_register_ring_fd() led to breakage, revert
 - vvfat: Fix some problems with r/w mode
 - Code cleanup
 - MAINTAINERS: Fold "Block QAPI, monitor, ..." into "Block layer core"
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Merge tag 'for-upstream' of https://repo.or.cz/qemu/kevin into staging

Block layer patches

- Cleanup bs->backing and bs->file handling
- Refactor bdrv_try_set_aio_context using transactions
- Changes for improved coroutine_fn consistency
- vhost-user-blk: fix the resize crash
- io_uring: Use of io_uring_register_ring_fd() led to breakage, revert
- vvfat: Fix some problems with r/w mode
- Code cleanup
- MAINTAINERS: Fold "Block QAPI, monitor, ..." into "Block layer core"

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# gpg: Signature made Thu 27 Oct 2022 14:29:38 EDT
# gpg:                using RSA key DC3DEB159A9AF95D3D7456FE7F09B272C88F2FD6
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* tag 'for-upstream' of https://repo.or.cz/qemu/kevin: (58 commits)
  block/block-backend: blk_set_enable_write_cache is IO_CODE
  monitor: switch to *_co_* functions
  vmdk: switch to *_co_* functions
  vhdx: switch to *_co_* functions
  vdi: switch to *_co_* functions
  qed: switch to *_co_* functions
  qcow2: switch to *_co_* functions
  qcow: switch to *_co_* functions
  parallels: switch to *_co_* functions
  mirror: switch to *_co_* functions
  block: switch to *_co_* functions
  commit: switch to *_co_* functions
  vmdk: manually add more coroutine_fn annotations
  qcow2: manually add more coroutine_fn annotations
  qcow: manually add more coroutine_fn annotations
  blkdebug: add missing coroutine_fn annotation for indirect-called functions
  qcow2: add coroutine_fn annotation for indirect-called functions
  block: add missing coroutine_fn annotation to BlockDriverState callbacks
  coroutine-io: add missing coroutine_fn annotation to prototypes
  coroutine-lock: add missing coroutine_fn annotation to prototypes
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2022-10-30 15:15:12 -04:00
Bernhard Beschow
63e4bf8e84 hw/ppc/e500: Implement pflash handling
Allows e500 boards to have their root file system reside on flash using
only builtin devices located in the eLBC memory region.

Note that the flash memory area is only created when a -pflash argument is
given, and that the size is determined by the given file. The idea is to
put users into control.

Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20221018210146.193159-6-shentey@gmail.com>
[danielhb: use memory_region_size() in mmio_size]
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
2022-10-29 06:34:34 -03:00
Bernhard Beschow
c593d1cc25 docs/system/ppc/ppce500: Use qemu-system-ppc64 across the board(s)
The documentation suggests that there is a qemu-system-ppc32 binary
while the 32 bit version is actually just named qemu-system-ppc. Settle
on qemu-system-ppc64 which also works for 32 bit machines and causes
less clutter in the documentation.

Found-by: BALATON Zoltan <balaton@eik.bme.hu>
Suggested-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Message-Id: <20221018210146.193159-2-shentey@gmail.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
2022-10-28 13:25:55 -03:00
Emanuele Giuseppe Esposito
142e690712 block: remove bdrv_try_set_aio_context and replace it with bdrv_try_change_aio_context
No functional change intended.

Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20221025084952.2139888-11-eesposit@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2022-10-27 20:14:11 +02:00
Richard Henderson
71943a1e90 target/arm: Implement FEAT_HAFDBS, access flag portion
Perform the atomic update for hardware management of the access flag.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20221024051851.3074715-13-richard.henderson@linaro.org
[PMM: Fix accidental PROT_WRITE to PAGE_WRITE; add missing
 main-loop.h include]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-10-27 10:27:24 +01:00
Damien Hedde
310616d367 hw/core/resettable: fix reset level counting
The code for handling the reset level count in the Resettable code
has two issues:

The reset count is only decremented for the 1->0 case.  This means
that if there's ever a nested reset that takes the count to 2 then it
will never again be decremented.  Eventually the count will exceed
the '50' limit in resettable_phase_enter() and QEMU will trip over
the assertion failure.  The repro case in issue 1266 is an example of
this that happens now the SCSI subsystem uses three-phase reset.

Secondly, the count is decremented only after the exit phase handler
is called.  Moving the reset count decrement from "just after" to
"just before" calling the exit phase handler allows
resettable_is_in_reset() to return false during the handler
execution.

This simplifies reset handling in resettable devices.  Typically, a
function that updates the device state will just need to read the
current reset state and not anymore treat the "in a reset-exit
transition" as a special case.

Note that the semantics change to the *_is_in_reset() functions
will have no effect on the current codebase, because only two
devices (hw/char/cadence_uart.c and hw/misc/zynq_sclr.c) currently
call those functions, and in neither case do they do it from the
device's exit phase methed.

Fixes: 4a5fc890 ("scsi: Use device_cold_reset() and bus_cold_reset()")
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1266
Signed-off-by: Damien Hedde <damien.hedde@greensocs.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reported-by: Michael Peter <michael.peter@hensoldt-cyber.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20221020142749.3357951-1-peter.maydell@linaro.org
Buglink: https://bugs.launchpad.net/qemu/+bug/1905297
Reported-by: Michael Peter <michael.peter@hensoldt-cyber.com>
[PMM: adjust the docs paragraph changed to get the name of the
 'enter' phase right and to clarify exactly when the count is
 adjusted; rewrite the commit message]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-10-27 10:27:23 +01:00
Peter Maydell
e4c93e44ab target/arm: Implement FEAT_E0PD
FEAT_E0PD adds new bits E0PD0 and E0PD1 to TCR_EL1, which allow the
OS to forbid EL0 access to half of the address space.  Since this is
an EL0-specific variation on the existing TCR_ELx.{EPD0,EPD1}, we can
implement it entirely in aa64_va_parameters().

This requires moving the existing regime_is_user() to internals.h
so that the code in helper.c can get at it.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20221021160131.3531787-1-peter.maydell@linaro.org
2022-10-27 10:27:23 +01:00
Bernhard Beschow
e018489d8b docs/system/ppc/ppce500: Add heading for networking chapter
The sudden change of topics is slightly confusing and makes the
networking information less visible. So separate the networking chapter
to improve comprehensibility.

Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20221003203142.24355-4-shentey@gmail.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
2022-10-17 16:15:09 -03:00
Stefan Hajnoczi
2ba341b369 pci: cleanup virtio ids.
audio: bugfixes and latency improvements.
 misc fixes for hw/display and ui
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Merge tag 'kraxel-20221013-pull-request' of https://gitlab.com/kraxel/qemu into staging

pci: cleanup virtio ids.
audio: bugfixes and latency improvements.
misc fixes for hw/display and ui

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* tag 'kraxel-20221013-pull-request' of https://gitlab.com/kraxel/qemu: (26 commits)
  audio: improve out.voices test
  audio: fix in.voices test
  gtk: Add show_menubar=on|off command line option.
  qemu-edid: Restrict input parameter -d to avoid division by zero
  ui/gtk: Fix the implicit mouse ungrabbing logic
  pci-ids: document modern virtio-pci ids in pci.h too
  pci-ids: drop list of modern virtio devices
  pci-ids: drop PCI_DEVICE_ID_VIRTIO_PMEM
  pci-ids: drop PCI_DEVICE_ID_VIRTIO_MEM
  pci-ids: drop PCI_DEVICE_ID_VIRTIO_IOMMU
  docs: add firmware feature flags
  cirrus_vga: fix potential memory overflow
  ui/gtk-egl: egl context needs to be unbound in the end of gd_egl_switch
  ui/vnc-clipboard: fix integer underflow in vnc_client_cut_text_ext
  audio: prevent an integer overflow in resampling code
  audio: fix sw->buf size for audio recording
  audio: refactor audio_get_avail()
  audio: rename audio_sw_bytes_free()
  audio: swap audio_rate_get_bytes() function parameters
  spiceaudio: update comment
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2022-10-13 13:55:53 -04:00
Gerd Hoffmann
55f01e76a3 pci-ids: drop list of modern virtio devices
Drop the list of modern virtio devices and explain how they
are calculated instead.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Message-Id: <20221004112100.301935-5-kraxel@redhat.com>
2022-10-12 12:01:11 +02:00
Gerd Hoffmann
23b45173fa docs: add firmware feature flags
Add new firmware feature flags for the recently added confidential
computing operating modes by amd and intel.

While being at it also fix the path to the amd sev documentation.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Kashyap Chamarthy <kchamart@redhat.com>
Message-Id: <20220930133220.1771336-1-kraxel@redhat.com>
2022-10-12 11:02:44 +02:00
Peter Maydell
915f62844c docs/system/arm/emulation.rst: Report FEAT_GTG support
FEAT_GTG is a change tho the ID register ID_AA64MMFR0_EL1 so that it
can report a different set of supported granule (page) sizes for
stage 1 and stage 2 translation tables.  As of commit c20281b2a5
we already report the granule sizes that way for '-cpu max', and now
we also correctly make attempts to use unimplemented granule sizes
fail, so we can report the support of the feature in the
documentation.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20221003162315.2833797-4-peter.maydell@linaro.org
2022-10-10 14:52:25 +01:00
Joel Stanley
86a85d73e3 docs/nuvoton: Update URL for images
openpower.xyz was retired some time ago. The OpenBMC Jenkins is where
images can be found these days.

Signed-off-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Hao Wu <wuhaotsh@google.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20221004050042.22681-1-joel@jms.id.au
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-10-10 14:52:24 +01:00
Alex Bennée
59195c6558 docs/devel: document the test plugins
Although the test plugins are fairly basic they are still useful for
some things so we should document their existence.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20220929114231.583801-41-alex.bennee@linaro.org>
2022-10-06 11:53:40 +01:00
Alex Bennée
7f522743df docs/devel: move API to end of tcg-plugins.rst
The API documentation is quite dry and doesn't flow nicely with the
rest of the document. Move it to its own section at the bottom along
with a little leader text to remind people to update it.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220929114231.583801-39-alex.bennee@linaro.org>
2022-10-06 11:53:40 +01:00
Alex Bennée
1d0603a990 docs/devel: clean-up qemu invocations in tcg-plugins
We currently have the final binaries in the root of the build dir so
the build prefix is superfluous. Additionally add a shell prompt to be
more in line with the rest of the code.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220929114231.583801-38-alex.bennee@linaro.org>
2022-10-06 11:53:40 +01:00
Alex Bennée
b7855bf65f plugins: extend execlog to filter matches
Sometimes the whole execlog is just two much so add the ability to
filter by instruction opcode or address.

[AJB: this shows for example

 qemu-system-aarch64 -display none -serial mon:stdio \
   -M virt -cpu max \
   -semihosting-config enable=on \
   -kernel ./tests/tcg/aarch64-softmmu/memory-sve \
   -plugin ./contrib/plugins/libexeclog.so,ifilter=st1w,afilter=0x40001808 -d plugin -D plugin.out

the st1w SVE instruction is not instrumenting its stores.]

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alexandre Iooss <erdnaxe@crans.org>
Cc: Robert Henry <robhenry@microsoft.com>
Cc: Aaron Lindsay <aaron@os.amperecomputing.com>
Message-Id: <20220929114231.583801-36-alex.bennee@linaro.org>
2022-10-06 11:53:40 +01:00
Alex Bennée
bf0c50d4aa monitor: expose monitor_puts to rest of code
This helps us construct strings elsewhere before echoing to the
monitor. It avoids having to jump through hoops like:

  monitor_printf(mon, "%s", s->str);

It will be useful in following patches but for now convert all
existing plain "%s" printfs to use the _puts api.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220929114231.583801-33-alex.bennee@linaro.org>
2022-10-06 11:53:40 +01:00
Stefan Hajnoczi
fafd35a6da Pull request trivial patches branch 20220930-v2
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Merge tag 'trivial-branch-for-7.2-pull-request' of https://gitlab.com/laurent_vivier/qemu into staging

Pull request trivial patches branch 20220930-v2

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# gpg:                issuer "laurent@vivier.eu"
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full]
# gpg:                 aka "Laurent Vivier <laurent@vivier.eu>" [full]
# gpg:                 aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full]
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F  5173 F30C 38BD 3F2F BE3C

* tag 'trivial-branch-for-7.2-pull-request' of https://gitlab.com/laurent_vivier/qemu:
  docs: Update TPM documentation for usage of a TPM 2
  Use g_new() & friends where that makes obvious sense
  Drop superfluous conditionals around g_free()
  block/qcow2-bitmap: Add missing cast to silent GCC error
  checkpatch: ignore target/hexagon/imported/* files
  mem/cxl_type3: fix GPF DVSEC
  .gitignore: add .cache/ to .gitignore
  hw/virtio/vhost-shadow-virtqueue: Silence GCC error "maybe-uninitialized"

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2022-10-04 14:04:18 -04:00
Stefan Hajnoczi
f8ec554cb8 * x86: re-enable rng seeding via SetupData
* x86: reinitialize RNG seed on system reboot and after kernel load
 * qboot: rebuild based on latest commit
 * watchdog: remove -watchdog option
 * update Meson to 0.61.5, move more configure tests
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Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* x86: re-enable rng seeding via SetupData
* x86: reinitialize RNG seed on system reboot and after kernel load
* qboot: rebuild based on latest commit
* watchdog: remove -watchdog option
* update Meson to 0.61.5, move more configure tests

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# gpg: Signature made Sat 01 Oct 2022 15:16:48 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:
  x86: re-initialize RNG seed when selecting kernel
  target/i386/kvm: fix kvmclock_current_nsec: Assertion `time.tsc_timestamp <= migration_tsc' failed
  configure, meson: move linker flag detection to meson
  configure, meson: move C++ compiler detection to meson.build
  meson: multiple names can be passed to dependency()
  meson: require 0.61.3
  meson: -display dbus and CFI are incompatible
  ui: fix path to dbus-display1.h
  watchdog: remove -watchdog option
  configure: do not invoke as/ld directly for pc-bios/optionrom
  qboot: rebuild based on latest commit
  x86: re-enable rng seeding via SetupData
  x86: reinitialize RNG seed on system reboot
  x86: use typedef for SetupData struct
  x86: return modified setup_data only if read as memory, not as file

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2022-10-04 14:03:21 -04:00
Stefan Berger
4a4a74bf43 docs: Update TPM documentation for usage of a TPM 2
Update the TPM documentation for usage of a TPM 2 rather than a TPM 1.2.
Adjust the command lines and expected outputs inside the VM accordingly.
Update the command line to start a TPM 2 with swtpm.

Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20220927122146.2787854-1-stefanb@linux.ibm.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2022-10-04 00:10:11 +02:00
Markus Armbruster
7f118b433a qemu-img: Wean documentation and help output off '?' for help
'?' for help is deprecated since commit c8057f951d "Support 'help' as
a synonym for '?' in command line options", v1.2.0.  We neglected to
update output of qemu-img --help and the manual.  Do that now.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20220908130842.641410-1-armbru@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2022-09-30 18:02:30 +02:00
Paolo Bonzini
5433af7697 watchdog: remove -watchdog option
This was deprecated in 6.2 and is ready to go.  It removes quite a bit
of code that handled the registration of watchdog models.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-09-29 11:40:28 +02:00
Bin Meng
0b49bc1b71 docs/devel: testing: Document writing portable test cases
Update the best practices of how to write portable test cases that
can be built and run successfully on both Linux and Windows hosts.

Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20220927110632.1973965-55-bmeng.cn@gmail.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-09-27 20:51:21 +02:00
Stefan Hajnoczi
c48c9c6b33 usb: make usbnet work with xhci.
audio: add sndio backend.
 misc bugfixes for console, xhci, audio, ati-vga and virtio-gpu.
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Merge tag 'kraxel-20220927-pull-request' of https://gitlab.com/kraxel/qemu into staging

usb: make usbnet work with xhci.
audio: add sndio backend.
misc bugfixes for console, xhci, audio, ati-vga and virtio-gpu.

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# gpg: Signature made Tue 27 Sep 2022 04:18:55 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 'kraxel-20220927-pull-request' of https://gitlab.com/kraxel/qemu: (24 commits)
  virtio-gpu: update scanout if there is any area covered by the rect
  hw/display/ati_2d: Fix buffer overflow in ati_2d_blt (CVE-2021-3638)
  audio: remove abort() in audio_bug()
  Revert "audio: Log context for audio bug"
  audio: Add sndio backend
  usbnet: Report link-up via interrupt endpoint in CDC-ECM mode
  usbnet: Detect short packets as sent by the xHCI controller
  usbnet: Accept mandatory USB_CDC_SET_ETHERNET_PACKET_FILTER request
  usbnet: Add missing usb_wakeup() call in usbnet_receive()
  hcd-xhci: drop operation with secondary stream arrays enabled
  usb/msd: add usb_msd_fatal_error() and fix guest-triggerable assert
  usb/msd: move usb_msd_packet_complete()
  hcd-ohci: Drop ohci_service_iso_td() if ed->head & OHCI_DPTR_MASK is zero
  hw/usb/hcd-xhci: Check whether DMA accesses fail
  ui/console: fix three double frees in png_save()
  ui/vdagent: fix serial reset of guest agent
  ui/clipboard: reset the serial state on reset
  ui/vdagent: always reset the clipboard serial on caps
  ui/clipboard: fix serial priority
  ui: add some vdagent related traces
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2022-09-27 07:59:26 -04:00
Alex Bennée
0c2d467191 docs/system: clean up code escape for riscv virt platform
The example code is rendered slightly mangled due to missing code
block. Properly escape the code block and add shell prompt and qemu to
fit in with the other examples on the page.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20220905163939.1599368-1-alex.bennee@linaro.org>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2022-09-27 07:04:38 +10:00
Akihiko Odaki
bab6a301c5 ui/cocoa: Run qemu_init in the main thread
This work is based on:
https://patchew.org/QEMU/20220317125534.38706-1-philippe.mathieu.daude@gmail.com/

Simplify the initialization dance by running qemu_init() in the main
thread before the Cocoa event loop starts. The secondary thread only
runs only qemu_main_loop() and qemu_cleanup().

This fixes a case where addRemovableDevicesMenuItems() calls
qmp_query_block() while expecting the main thread to still hold
the BQL.

Overriding the code after calling qemu_init() is done by dynamically
replacing a function pointer variable, qemu_main when initializing
ui/cocoa, which unifies the static implementation of main() for
builds with ui/cocoa and ones without ui/cocoa.

Signed-off-by: Akihiko Odaki <akihiko.odaki@gmail.com>
Message-Id: <20220819132756.74641-2-akihiko.odaki@gmail.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2022-09-23 14:36:33 +02:00
Stefan Hajnoczi
8f3aeb012f Testing and CI changes:
- reduce number of targets for cross_user_build
   - update avocado xlnx_versal test with new binaries
   - add explicit timeouts to a number of avocado TCG tests
   - reduce default timeout to 120s
   - update lcitool to support cross-amd64
   - flatten a number of docker cross containers
   - clean up stale qemu/debian10 dependencies
   - remove obsolete Fedora VM test
   - add configure workaround for meson --disable-pie bug
   - disable --static-pie for aarch64 gitlab runner
   - update aarch32/aarch64 jobs to 22.04
   - deprecate 32 bit big-endian MIPS as a host
   - remove FROM qemu/ support from docker.py
   - remove Debian base images now everything is flat
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Merge tag 'pull-testing-next-200922-2' of https://github.com/stsquad/qemu into staging

Testing and CI changes:

  - reduce number of targets for cross_user_build
  - update avocado xlnx_versal test with new binaries
  - add explicit timeouts to a number of avocado TCG tests
  - reduce default timeout to 120s
  - update lcitool to support cross-amd64
  - flatten a number of docker cross containers
  - clean up stale qemu/debian10 dependencies
  - remove obsolete Fedora VM test
  - add configure workaround for meson --disable-pie bug
  - disable --static-pie for aarch64 gitlab runner
  - update aarch32/aarch64 jobs to 22.04
  - deprecate 32 bit big-endian MIPS as a host
  - remove FROM qemu/ support from docker.py
  - remove Debian base images now everything is flat

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# gpg: Signature made Tue 20 Sep 2022 12:57:51 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-testing-next-200922-2' of https://github.com/stsquad/qemu: (30 commits)
  tests/docker: remove the Debian base images
  tests/docker: remove FROM qemu/ support from docker.py
  tests/docker: update and flatten debian-toolchain
  tests/docker: update and flatten debian-hexagon-cross
  tests/docker: update and flatten debian-loongarch-cross
  tests/docker: update and flatten debian-amd64-cross
  tests/lcitool: bump to latest version
  tests/docker: update and flatten debian-all-test-cross
  tests/docker: flatten debian-riscv64-test-cross
  Deprecate 32 bit big-endian MIPS
  gitlab-ci: update aarch32/aarch64 custom runner jobs
  gitlab-ci/custom-runners: Disable -static-pie for ubuntu-20.04-aarch64
  configure: explicitly set cflags for --disable-pie
  tests/vm: Remove obsolete Fedora VM test
  tests/docker: remove amd64 qemu/debian10 dependency
  tests/docker: remove tricore qemu/debian10 dependency
  tests/docker: flatten debian-powerpc-test-cross
  tests/docker: update and flatten debian-sparc64-cross
  tests/docker: update and flatten debian-sh4-cross
  tests/docker: update and flatten debian-mips64-cross
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2022-09-21 13:10:51 -04:00
Alex Bennée
d996f0aeb2 tests/docker: remove the Debian base images
We no longer use these in any of our images. Clean-up the remaining
comments and documentation that reference them and remove from the
build.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220914155950.804707-31-alex.bennee@linaro.org>
2022-09-20 17:22:08 +01:00
Alex Bennée
54ab3c3fee Deprecate 32 bit big-endian MIPS
It's becoming harder to maintain a cross-compiler to test this host
architecture as the old stable Debian 10 ("Buster") moved into LTS
which supports fewer architectures. For now:

  - mark it's deprecation in the docs
  - downgrade the containers to build TCG tests only
  - drop the cross builds from our CI

Users with an appropriate toolchain and user-space can still take
their chances building it.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Huacai Chen <chenhuacai@kernel.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220914155950.804707-22-alex.bennee@linaro.org>
2022-09-20 17:22:08 +01:00
Thomas Huth
582a098e6c qga: Replace 'blacklist' command line and config file options by 'block-rpcs'
Let's use a more appropriate wording for this command line and config
file option. The old ones are still accepted for compatibility reasons,
but marked as deprecated now so that it could be removed in a future
version of QEMU.

This change is based on earlier patches from Philippe Mathieu-Daudé,
with the idea for the new option name suggested by BALATON Zoltan.

And while we're at it, replace the "?" in the help text with "help"
since that does not have the problem of conflicting with the wildcard
character of the shells.

Message-Id: <20220727092135.302915-2-thuth@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Konstantin Kostiuk <kkostiuk@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-09-20 12:37:00 +02:00
Peter Maydell
e31e0f5661 target/arm: Report FEAT_PMUv3p5 for TCG '-cpu max'
Update the ID registers for TCG's '-cpu max' to report a FEAT_PMUv3p5
compliant PMU.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220822132358.3524971-11-peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-09-14 11:19:40 +01:00
Peter Maydell
3fe72e213e target/arm: Advertise FEAT_ETS for '-cpu max'
The architectural feature FEAT_ETS (Enhanced Translation
Synchronization) is a set of tightened guarantees about memory
ordering involving translation table walks:

 * if memory access RW1 is ordered-before memory access RW2 then it
   is also ordered-before any translation table walk generated by RW2
   that generates a translation fault, address size fault or access
   fault

 * TLB maintenance on non-exec-permission translations is guaranteed
   complete after a DSB (ie it does not need the context
   synchronization event that you have to have if you don’t have
   FEAT_ETS)

For QEMU’s implementation we don’t reorder translation table walk
accesses, and we guarantee to finish the TLB maintenance as soon as
the TLB op is done (the tlb_flush functions will complete at the end
of the TLB, and TLB ops always end the TB because they’re sysreg
writes).

So we’re already compliant and all we need to do is say so in the ID
registers for the 'max' CPU.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220819110052.2942289-6-peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-09-14 11:19:40 +01:00
Hao Wu
3b16766b5a target/arm: Add cortex-a35
Add cortex A35 core and enable it for virt board.

Signed-off-by: Hao Wu <wuhaotsh@google.com>
Reviewed-by: Joe Komlodi <komlodi@google.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20220819002015.1663247-1-wuhaotsh@google.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-09-14 11:19:39 +01:00
Bin Meng
079520033f docs: List kvm as a supported accelerator on RISC-V
Since commit fbf43c7dbf ("target/riscv: enable riscv kvm accel"),
KVM accelerator is supported on RISC-V. Let's document it.

Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20220719082635.3741878-1-bin.meng@windriver.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2022-09-07 09:18:32 +02:00
Stefan Hajnoczi
946e9bccf1 baum: better document usb-braille configuration
Samuel Thibault (1):
   usb-braille: Better explain that one also has to create a chardev
     backend
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Merge tag 'samuel-thibault' of https://people.debian.org/~sthibault/qemu into staging

baum: better document usb-braille configuration

Samuel Thibault (1):
  usb-braille: Better explain that one also has to create a chardev
    backend

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# gpg: Signature made Mon 05 Sep 2022 18:16:53 EDT
# gpg:                using RSA key 653485D4830E006C13EF59FF6874CE58AE2D7E3F
# gpg: Good signature from "Samuel Thibault <samuel.thibault@ens-lyon.org>" [full]
# gpg:                 aka "Samuel Thibault <sthibault@debian.org>" [full]
# gpg:                 aka "Samuel Thibault <samuel.thibault@gnu.org>" [unknown]
# gpg:                 aka "Samuel Thibault <samuel.thibault@inria.fr>" [full]
# gpg:                 aka "Samuel Thibault <samuel.thibault@labri.fr>" [full]
# gpg:                 aka "Samuel Thibault <samuel.thibault@u-bordeaux.fr>" [unknown]
# gpg:                 aka "Samuel Thibault <samuel.thibault@aquilenet.fr>" [unknown]
# gpg:                 aka "Samuel Thibault <sthibault@hypra.fr>" [unknown]
# Primary key fingerprint: 900C B024 B679 31D4 0F82  304B D017 8C76 7D06 9EE6
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* tag 'samuel-thibault' of https://people.debian.org/~sthibault/qemu:
  usb-braille: Better explain that one also has to create a chardev backend

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2022-09-06 08:31:24 -04:00
Samuel Thibault
3e01455edd usb-braille: Better explain that one also has to create a chardev backend
Users have reported not to understand the documentation. This completes
it to give an explicit example how one is supposed to set up a virtual
braille USB device.

Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
2022-09-06 00:09:50 +02:00
Stafford Horne
b14df228d7 docs/system: openrisc: Add OpenRISC documentation
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Stafford Horne <shorne@gmail.com>
2022-09-04 07:02:57 +01:00
Stefan Hajnoczi
61fd710b8d * SCSI fixes for Mac OS 9
* Fix CPU reset for x86/KVM nested virtualization state
 * remove feature_not_found() from the configure script
 * Meson cleanups from muon
 * improved i386 TCG tests for BMI and SSE
 * SSE bugfixes
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Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* SCSI fixes for Mac OS 9
* Fix CPU reset for x86/KVM nested virtualization state
* remove feature_not_found() from the configure script
* Meson cleanups from muon
* improved i386 TCG tests for BMI and SSE
* SSE bugfixes

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# gpg: Signature made Thu 01 Sep 2022 14:23:00 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: (39 commits)
  target/i386: AVX+AES helpers prep
  target/i386: AVX pclmulqdq prep
  target/i386: Rewrite blendv helpers
  target/i386: Misc AVX helper prep
  target/i386: Destructive FP helpers for AVX
  target/i386: Dot product AVX helper prep
  target/i386: reimplement AVX comparison helpers
  target/i386: Floating point arithmetic helper AVX prep
  target/i386: Destructive vector helpers for AVX
  target/i386: Misc integer AVX helper prep
  target/i386: Rewrite simple integer vector helpers
  target/i386: Rewrite vector shift helper
  target/i386: rewrite destructive 3DNow operations
  target/i386: Add CHECK_NO_VEX
  target/i386: do not cast gen_helper_* function pointers
  target/i386: Add size suffix to vector FP helpers
  target/i386: isolate MMX code more
  target/i386: check SSE table flags instead of hardcoding opcodes
  target/i386: Move 3DNOW decoder
  target/i386: Rework sse_op_table6/7
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2022-09-02 13:24:28 -04:00
Stefan Hajnoczi
7dd9d7e0bd ppc patch queue for 2022-08-31:
In the first 7.2 queue we have changes in the powernv pnv-phb handling,
 the start of the QOMification of the ppc405 model, the removal of the
 taihu machine, a new SLOF image and others.
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Merge tag 'pull-ppc-20220831' of https://gitlab.com/danielhb/qemu into staging

ppc patch queue for 2022-08-31:

In the first 7.2 queue we have changes in the powernv pnv-phb handling,
the start of the QOMification of the ppc405 model, the removal of the
taihu machine, a new SLOF image and others.

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# gpg: Signature made Wed 31 Aug 2022 16:09:58 EDT
# gpg:                using EDDSA key 17EBFF9923D01800AF2838193CD9CA96DE033164
# gpg: Good signature from "Daniel Henrique Barboza <danielhb413@gmail.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: 17EB FF99 23D0 1800 AF28  3819 3CD9 CA96 DE03 3164

* tag 'pull-ppc-20220831' of https://gitlab.com/danielhb/qemu: (60 commits)
  ppc4xx: Fix code style problems reported by checkpatch
  ppc/ppc4xx: Fix sdram trace events
  hw/ppc/Kconfig: Move imply before select
  hw/ppc/sam460ex: Remove PPC405 dependency from sam460ex
  ppc405: Move machine specific code to ppc405_boards.c
  ppc/ppc405: QOM'ify FPGA
  ppc/ppc405: Use an explicit I2C object
  hw/intc/ppc-uic: Convert ppc-uic to a PPC4xx DCR device
  ppc/ppc405: Use an embedded PPCUIC model in SoC state
  ppc4xx: Rename ppc405-ebc to ppc4xx-ebc
  ppc4xx: Move EBC model to ppc4xx_devs.c
  ppc4xx: Rename ppc405-plb to ppc4xx-plb
  ppc4xx: Move PLB model to ppc4xx_devs.c
  ppc/ppc405: QOM'ify MAL
  ppc/ppc405: QOM'ify PLB
  ppc/ppc405: QOM'ify POB
  ppc/ppc405: QOM'ify OPBA
  ppc/ppc405: QOM'ify EBC
  ppc/ppc405: QOM'ify DMA
  ppc/ppc405: QOM'ify GPIO
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2022-09-01 13:53:20 -04:00
Paolo Bonzini
7cb5844808 configure: improve error for ucontext coroutine backend
Instead of using feature_not_found(), which is not a good match because
there is no "remedy" to fix the lack of makecontext(), just print a
custom error.

This happens to remove the last use of feature_not_found(), so remove
the definition and the documentation.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-09-01 07:42:37 +02:00
Cédric Le Goater
1335caf312 ppc/ppc405: Remove taihu machine
It has been deprecated since 7.0.

Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20220809153904.485018-2-clg@kaod.org>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
2022-08-31 14:08:06 -03:00
Alexey Kardashevskiy
c49b67f72b pseries: Update SLOF firmware image
The only change is that now SLOF can also boot big endian zImage
but kernel-addr=0 is still required.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
2022-08-30 16:20:01 -03:00
Matheus Tavares Bernardino
0285a0ec60 docs/devel/testing: fix minor typo
Signed-off-by: Matheus Tavares Bernardino <quic_mathbern@quicinc.com>
Message-Id: <421fb28678d1077c0b14978e359b4e1469cc0168.1661262376.git.quic_mathbern@quicinc.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-08-29 15:28:51 +02:00
Xiaojuan Yang
1f90ce64fc docs/system/loongarch: Update the LoongArch document
1. Add some information about how to boot the LoongArch virt
machine by uefi bios and linux kernel and how to access the
source code or binary file.
2. Move the explanation of LoongArch system emulation in the
target/loongarch/README to docs/system/loongarch/loongson3.rst

Signed-off-by: Xiaojuan Yang <yangxiaojuan@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20220812091957.3338126-1-yangxiaojuan@loongson.cn>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-08-13 04:45:03 -07:00
Stefan Weil
120f765e03 Fix some typos in documentation (most of them found by codespell)
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Hongren (Zenithal) Zheng <i@zenithal.me>
Message-id: 20220812075642.1200578-1-sw@weilnetz.de
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-08-12 11:20:42 +01:00
Andrea Bolognani
fbf8c96be3 docs: build-platforms: Clarify stance on minor releases and backports
These changes match those made in the following libvirt commits:

  2ac78307af docs: Clarify our stance on backported packages
  78cffd450a docs: Spell out our policy concerning minor releases

Since QEMU's platform support policy is based on libvirt's, it
makes sense to mirror these recent changes made to the latter.

The policy is not altered significantly - we're simply spelling
out some rules that were likely already being implicitly
enforced.

Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2022-08-05 16:18:15 +01:00
Thomas Huth
9878fbf342 docs/about/removed-features: Move the -soundhw into the right section
The note about the removal of '-soundhw' has been accidentally added
to the section of removed "linux-user mode CPUs" ... it should reside
in the section about removed "System emulator command line arguments"
instead.

Fixes: 039a68373c ("introduce -audio as a replacement for -soundhw")
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Christian Schoenebeck <qemu_oss@crudebyte.com>
Message-Id: <20220802075611.346835-1-thuth@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2022-08-04 13:47:12 +02:00