Commit Graph

37145 Commits

Author SHA1 Message Date
Peter Maydell
b38d263bca * first commit for Rust support
* add CI job using Fedora + Rust nightly
 * fix detection of ATOMIC128 on x86_64
 * fix compilation with Sphinx 8.1.0
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Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* first commit for Rust support
* add CI job using Fedora + Rust nightly
* fix detection of ATOMIC128 on x86_64
* fix compilation with Sphinx 8.1.0

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# gpg: Signature made Fri 11 Oct 2024 12:48:53 BST
# 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:
  docs: use consistent markup for footnotes
  docs: avoid footnotes consisting of just URLs
  docs: fix invalid footnote syntax
  gitlab-ci: add Rust-enabled CI job
  dockerfiles: add a Dockerfile using a nightly Rust toolchain
  meson: ensure -mcx16 is passed when detecting ATOMIC128
  meson: define qemu_isa_flags
  meson: fix machine option for x86_version
  rust: add PL011 device model
  rust: add utility procedural macro crate
  scripts/archive-source: find directory name for subprojects
  rust: add crate to expose bindings and interfaces
  meson.build: add HAVE_GLIB_WITH_ALIGNED_ALLOC flag
  .gitattributes: add Rust diff and merge attributes
  rust: add bindgen step as a meson dependency
  configure, meson: detect Rust toolchain
  build-sys: Add rust feature option
  Require meson version 1.5.0

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-10-11 18:19:37 +01:00
Paolo Bonzini
d0f0cd5b1f rust: add PL011 device model
This commit adds a re-implementation of hw/char/pl011.c in Rust.

How to build:

1. Configure a QEMU build with:
   --enable-system --target-list=aarch64-softmmu --enable-rust
2. Launching a VM with qemu-system-aarch64 should use the Rust version
   of the pl011 device

Co-authored-by: Junjie Mao <junjie.mao@intel.com>
Co-authored-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Junjie Mao <junjie.mao@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Link: https://lore.kernel.org/r/6ec1d4fb8db2a1d7ba94c73e65d9770371b7857d.1727961605.git.manos.pitsidianakis@linaro.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2024-10-11 12:32:17 +02:00
Philippe Mathieu-Daudé
c76c86fba5 hw/s390x: Use explicit big-endian LD/ST API
The S390X architecture uses big endianness. Directly use
the big-endian LD/ST API.

Mechanical change using:

  $ end=be; \
    for acc in uw w l q tul; do \
      sed -i -e "s/ld${acc}_p(/ld${acc}_${end}_p(/" \
             -e "s/st${acc}_p(/st${acc}_${end}_p(/" \
        $(git grep -wlE '(ld|st)t?u?[wlq]_p' hw/s390x/); \
    done

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20241004163042.85922-23-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2024-10-07 11:33:20 +02:00
Philippe Mathieu-Daudé
77b535cfdd hw/m68k: Use explicit big-endian LD/ST API
The M68K architecture uses big endianness. Directly use
the big-endian LD/ST API.

Mechanical change using:

  $ end=be; \
    for acc in uw w l q tul; do \
      sed -i -e "s/ld${acc}_p(/ld${acc}_${end}_p(/" \
             -e "s/st${acc}_p(/st${acc}_${end}_p(/" \
        $(git grep -wlE '(ld|st)t?u?[wlq]_p' hw/m68k/); \
    done

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <huth@tuxfamily.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20241004163042.85922-18-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2024-10-07 11:33:20 +02:00
Peter Maydell
b5ab62b3c0 * pc: Add a description for the i8042 property
* kvm: support for nested FRED
 * tests/unit: fix warning when compiling test-nested-aio-poll with LTO
 * kvm: refactoring of VM creation
 * target/i386: expose IBPB-BRTYPE and SBPB CPUID bits to the guest
 * hw/char: clean up serial
 * remove virtfs-proxy-helper
 * target/i386/kvm: Report which action failed in kvm_arch_put/get_registers
 * qom: improvements to object_resolve_path*()
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Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* pc: Add a description for the i8042 property
* kvm: support for nested FRED
* tests/unit: fix warning when compiling test-nested-aio-poll with LTO
* kvm: refactoring of VM creation
* target/i386: expose IBPB-BRTYPE and SBPB CPUID bits to the guest
* hw/char: clean up serial
* remove virtfs-proxy-helper
* target/i386/kvm: Report which action failed in kvm_arch_put/get_registers
* qom: improvements to object_resolve_path*()

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# gpg: Signature made Thu 03 Oct 2024 21:04:27 BST
# 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: (23 commits)
  qom: update object_resolve_path*() documentation
  qom: set *ambiguous on all paths
  qom: rename object_resolve_path_type() "ambiguousp"
  target/i386/kvm: Report which action failed in kvm_arch_put/get_registers
  kvm: Allow kvm_arch_get/put_registers to accept Error**
  accel/kvm: refactor dirty ring setup
  minikconf: print error entirely on stderr
  9p: remove 'proxy' filesystem backend driver
  hw/char: Extract serial-mm
  hw/char/serial.h: Extract serial-isa.h
  hw: Remove unused inclusion of hw/char/serial.h
  target/i386: Expose IBPB-BRTYPE and SBPB CPUID bits to the guest
  kvm: refactor core virtual machine creation into its own function
  kvm/i386: replace identity_base variable with a constant
  kvm/i386: refactor kvm_arch_init and split it into smaller functions
  kvm: replace fprintf with error_report()/printf() in kvm_init()
  kvm/i386: fix return values of is_host_cpu_intel()
  kvm/i386: make kvm_filter_msr() and related definitions private to kvm module
  hw/i386/pc: Add a description for the i8042 property
  tests/unit: remove block layer code from test-nested-aio-poll
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

# Conflicts:
#	hw/arm/Kconfig
#	hw/arm/pxa2xx.c
2024-10-04 19:28:37 +01:00
Peter Maydell
a3fb4e93a3 trivial patches for 2024-10-04
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Merge tag 'pull-trivial-patches' of https://gitlab.com/mjt0k/qemu into staging

trivial patches for 2024-10-04

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# gpg: Signature made Fri 04 Oct 2024 17:01:17 BST
# gpg:                using RSA key 64AA2AB531D56903366BFEF982AA4A243B1E9478
# gpg: Good signature from "Michael Tokarev <mjt@debian.org>" [full]
# gpg:                 aka "Michael Tokarev <mjt@corpit.ru>" [full]
# gpg:                 aka "Michael Tokarev <mjt@tls.msk.ru>" [full]
# Primary key fingerprint: 9D8B E14E 3F2A 9DD7 9199  28F1 61AD 3D98 ECDF 2C8E
#      Subkey fingerprint: 64AA 2AB5 31D5 6903 366B  FEF9 82AA 4A24 3B1E 9478

* tag 'pull-trivial-patches' of https://gitlab.com/mjt0k/qemu: (23 commits)
  MAINTAINERS: Add myself as maintainer of e500 machines
  docs/devel: Mention post_load hook restrictions where we document the hook
  tests/functional: Fix hash validation
  hw/mips: Build fw_cfg.c once
  tests/tcg/plugins: Remove remainder of the cris target
  block-backend: Remove deadcode
  hw/net/rocker: Remove unused rocker_fp_ports
  hw/pci: Remove unused pcie_chassis_find_slot
  replay: Remove unused replay_disable_events
  remote: Remove unused remote_iohub_finalize
  vhost: Remove unused vhost_dev_{load|save}_inflight
  ui/cursor: remove cursor_get_mono_image
  hw: Remove unused fw_cfg_init_io
  linux-user: Remove unused handle_vm86_fault
  hw/char: Remove unused serial_set_frequency
  hw/net/net_rx_pkt: Remove deadcode
  net: Remove deadcode
  q35: Remove unused mch_mcfg_base
  hw/xen: Remove deadcode
  MAINTAINERS: remove gensyscalls.sh from the linux-user section
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-10-04 17:08:01 +01:00
Edgar E. Iglesias
ca9275a4b1 hw/arm: xenpvh: Enable PCI for ARM PVH
Enable PCI support for the ARM Xen PVH machine.

Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@amd.com>
2024-10-03 19:37:35 +02:00
Edgar E. Iglesias
3bcdba25df hw/xen: xenpvh: Add pci-intx-irq-base property
Acked-by: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@amd.com>
2024-10-03 19:37:35 +02:00
Edgar E. Iglesias
cb988a10f6 hw/xen: xenpvh: Disable buffered IOREQs for ARM
Add a way to enable/disable buffered IOREQs for PVH machines
and disable them for ARM. ARM does not support buffered
IOREQ's nor the legacy way to map IOREQ info pages.

See the following for more details:
https://xenbits.xen.org/gitweb/?p=xen.git;a=commitdiff;h=2fbd7e609e1803ac5e5c26e22aa8e4b5a6cddbb1
https://xenbits.xen.org/gitweb/?p=xen.git;a=blob;f=xen/arch/arm/ioreq.c;h=2e829d2e7f3760401b96fa7c930e2015fb1cf463;hb=HEAD#l138

Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@amd.com>
2024-10-03 19:37:35 +02:00
Edgar E. Iglesias
b2150e403a hw/xen: Expose handle_bufioreq in xen_register_ioreq
Expose handle_bufioreq in xen_register_ioreq().
This is to allow machines to enable or disable buffered ioreqs.

No functional change since all callers still set it to
HVM_IOREQSRV_BUFIOREQ_ATOMIC.

Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@amd.com>
2024-10-03 19:37:34 +02:00
Paolo Bonzini
ed76671888 9p: remove 'proxy' filesystem backend driver
It has been deprecated since 8.1; remove it and suggest using the 'local' file
system backend driver instead or virtiofsd.

Acked-by: Greg Kurz <groug@kaod.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2024-10-03 19:33:25 +02:00
Bernhard Beschow
7e6b5497ea hw/char: Extract serial-mm
hw/char/serial currently contains the implementation of both TYPE_SERIAL and
TYPE_SERIAL_MM. According to serial_class_init(), TYPE_SERIAL is an internal
class while TYPE_SERIAL_MM is used by numerous machine types directly. Let's
move the latter into its own module which makes the dependencies more obvious
and the code more tidy.

The includes and the dependencies have been converted mechanically except in the
hw/char directories which were updated manually. The result was compile-tested.
Now, only hw/char makes direct use of TYPE_SERIAL:

  # grep -r -e "select SERIAL" | grep -v SERIAL_
  hw/char/Kconfig:    select SERIAL
  hw/char/Kconfig:    select SERIAL
  hw/char/Kconfig:    select SERIAL
  hw/char/Kconfig:    select SERIAL
  hw/char/Kconfig:    select SERIAL

  # grep -r -e "/serial\\.h"
  include/hw/char/serial-mm.h:#include "hw/char/serial.h"
  hw/char/serial-pci-multi.c:#include "hw/char/serial.h"
  hw/char/serial.c:#include "hw/char/serial.h"
  hw/char/serial-isa.c:#include "hw/char/serial.h"
  hw/char/serial-pci.c:#include "hw/char/serial.h"

Tested-by: Andrew Jeffery <andrew@codeconstruct.com.au>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Link: https://lore.kernel.org/r/20240905073832.16222-4-shentey@gmail.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2024-10-03 19:33:23 +02:00
Bernhard Beschow
37b724cdef hw/char/serial.h: Extract serial-isa.h
The includes where updated based on compile errors. Now, the inclusion of the
header roughly matches Kconfig dependencies:

  # grep -r -e "select SERIAL_ISA"
  hw/ppc/Kconfig:    select SERIAL_ISA
  hw/isa/Kconfig:    select SERIAL_ISA
  hw/sparc64/Kconfig:    select SERIAL_ISA
  hw/i386/Kconfig:    select SERIAL_ISA
  hw/i386/Kconfig:    select SERIAL_ISA # for serial_hds_isa_init()

Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Link: https://lore.kernel.org/r/20240905073832.16222-3-shentey@gmail.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2024-10-03 19:33:23 +02:00
Bernhard Beschow
982447cc78 hw: Remove unused inclusion of hw/char/serial.h
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Link: https://lore.kernel.org/r/20240905073832.16222-2-shentey@gmail.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2024-10-03 19:33:23 +02:00
Philippe Mathieu-Daudé
f2a9c31dbb hw/mips: Build fw_cfg.c once
Nothing in fw_cfg.c requires target-specific knowledge,
build it once for the 4 MIPS variants.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2024-10-03 17:26:06 +03:00
Dr. David Alan Gilbert
3110409ffd hw/net/rocker: Remove unused rocker_fp_ports
rocker_fp_ports hasn't been used since it was added back in 2015.
Remove it.

Signed-off-by: Dr. David Alan Gilbert <dave@treblig.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2024-10-03 17:26:06 +03:00
Dr. David Alan Gilbert
b443521b23 hw/pci: Remove unused pcie_chassis_find_slot
pcie_chassis_find_slot has been unused since it was added.

Remove it.

Signed-off-by: Dr. David Alan Gilbert <dave@treblig.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2024-10-03 17:26:06 +03:00
Dr. David Alan Gilbert
9f0b40efff remote: Remove unused remote_iohub_finalize
remote_iohub_finalize has never been used.

Remove it.

Signed-off-by: Dr. David Alan Gilbert <dave@treblig.org>
Reviewed-by: Jagannathan Raman <jag.raman@oracle.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2024-10-03 17:26:06 +03:00
Dr. David Alan Gilbert
abe9ff2578 vhost: Remove unused vhost_dev_{load|save}_inflight
vhost_dev_load_inflight and vhost_dev_save_inflight have been
unused since they were added in 2019 by:

5ad204bf2a ("vhost-user: Support transferring inflight buffer between qemu and backend")

Remove them, and their helper vhost_dev_resize_inflight.

Signed-off-by: Dr. David Alan Gilbert <dave@treblig.org>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2024-10-03 17:26:06 +03:00
Dr. David Alan Gilbert
3e80b89aae hw: Remove unused fw_cfg_init_io
fw_cfg_init_io has been unused since
  918a7f706b ("i386: load kernel on xen using DMA")

Remove it.

Signed-off-by: Dr. David Alan Gilbert <dave@treblig.org>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2024-10-03 17:26:06 +03:00
Dr. David Alan Gilbert
13ca229b49 hw/char: Remove unused serial_set_frequency
serial_set_frequnecy has been unused since it was added in 2009:
  038eaf82c8 ("serial: Add interface to set reference oscillator frequency")

It looks like the 'baudbase' is now a property anyway so the wrapper
isn't needed.

Remove it.

Signed-off-by: Dr. David Alan Gilbert <dave@treblig.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2024-10-03 17:26:05 +03:00
Dr. David Alan Gilbert
54fac860df hw/net/net_rx_pkt: Remove deadcode
net_rx_pkt_get_l3_hdr_offset and net_rx_pkt_get_iovec_len haven't
been used since they were added.

Remove them.

Signed-off-by: Dr. David Alan Gilbert <dave@treblig.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
(Mjt: also removed net_rx_pkt_get_l3_hdr_offset prototype from hw/net/net_rx_pkt.h as suggested by Akihiko Odaki)
2024-10-03 17:26:05 +03:00
Dr. David Alan Gilbert
0fb3c8b88a q35: Remove unused mch_mcfg_base
mch_mcfg_base has been unused since it was added by
  6f1426ab0f ("ich9: APIs for pc guest info")
back in 2013.

Remove it.

Signed-off-by: Dr. David Alan Gilbert <dave@treblig.org>
Reviewed-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2024-10-03 17:26:05 +03:00
Dr. David Alan Gilbert
5925b20b60 hw/xen: Remove deadcode
xen_be_copy_grant_refs is unused since 2019's
  19f87870ba ("xen: remove the legacy 'xen_disk' backend")

xen_config_dev_console is unused since 2018's
  6d7c06c213 ("Remove broken Xen PV domain builder")

Remove them.

Signed-off-by: Dr. David Alan Gilbert <dave@treblig.org>
Acked-by: Anthony PERARD <anthony.perard@vates.tech>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@amd.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2024-10-03 17:26:05 +03:00
Philippe Mathieu-Daudé
7bd9b0b41d hw/audio/virtio-snd: Remove unnecessary "exec/tswap.h" header
We were including the "exec/tswap.h" header to get
target_words_bigendian() declaration, but since commit a276ec8e26
("hw/audio/virtio-snd: Always use little endian audio format")
removed this method call, we don't need this header anymore.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2024-10-03 17:26:05 +03:00
Dr. David Alan Gilbert
abdfd6549d hw/xen: Remove deadcode
xen_be_copy_grant_refs is unused since 2019's
  19f87870ba ("xen: remove the legacy 'xen_disk' backend")

xen_config_dev_console is unused since 2018's
  6d7c06c213 ("Remove broken Xen PV domain builder")

Remove them.

Signed-off-by: Dr. David Alan Gilbert <dave@treblig.org>
Acked-by: Anthony PERARD <anthony.perard@vates.tech>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@amd.com>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@amd.com>
2024-10-03 15:24:42 +02:00
Peter Maydell
423be09ab9 -Werror=maybe-uninitialized fixes
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Merge tag 'warn-pull-request' of https://gitlab.com/marcandre.lureau/qemu into staging

-Werror=maybe-uninitialized fixes

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# gpg: Good signature from "Marc-André Lureau <marcandre.lureau@redhat.com>" [full]
# gpg:                 aka "Marc-André Lureau <marcandre.lureau@gmail.com>" [full]
# Primary key fingerprint: 87A9 BD93 3F87 C606 D276  F62D DAE8 E109 7596 9CE5

* tag 'warn-pull-request' of https://gitlab.com/marcandre.lureau/qemu: (22 commits)
  qom/object: fix -Werror=maybe-uninitialized
  fsdep/9p: fix -Werror=maybe-uninitialized false-positive
  block: fix -Werror=maybe-uninitialized false-positive
  hw/virtio: freeing leaked memory from vhost_svq_get_buf in vhost_svq_poll
  hw/virtio: fix -Werror=maybe-uninitialized
  tests: fix -Werror=maybe-uninitialized false-positive
  target/loongarch: fix -Werror=maybe-uninitialized false-positive
  linux-user/hppa: fix -Werror=maybe-uninitialized false-positive
  migration: fix -Werror=maybe-uninitialized false-positive
  hw/virtio-blk: fix -Werror=maybe-uninitialized false-positive
  migration: fix -Werror=maybe-uninitialized false-positives
  block/block-copy: fix -Werror=maybe-uninitialized false-positive
  hw/sdhci: fix -Werror=maybe-uninitialized false-positive
  hw/vhost-scsi: fix -Werror=maybe-uninitialized
  hw/ahci: fix -Werror=maybe-uninitialized false-positive
  block/stream: fix -Werror=maybe-uninitialized false-positives
  block/mirror: fix -Werror=maybe-uninitialized false-positive
  block/mirror: fix -Werror=maybe-uninitialized false-positive
  nbd: fix -Werror=maybe-uninitialized false-positive
  hw/qxl: fix -Werror=maybe-uninitialized false-positives
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-10-03 10:32:54 +01:00
Peter Maydell
35ba77d2fc RISC-V PR for 9.2
* Add a property to set vl to ceil(AVL/2)
 * Enable numamem testing for RISC-V
 * Consider MISA bit choice in implied rule
 * Fix the za64rs priv spec requirements
 * Enable Bit Manip for OpenTitan Ibex CPU
 * Fix the group bit setting of AIA with KVM
 * Stop timer with infinite timecmp
 * Add 'fcsr' register to QEMU log as a part of F extension
 * Fix riscv64 build on musl libc
 * Add preliminary textra trigger CSR functions
 * RISC-V bsd-user support
 * Respect firmware ELF entry point
 * Add Svvptc extension support
 * Fix masking of rv32 physical address
 * Fix linking problem with semihosting disabled
 * Fix IMSIC interrupt state updates
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Merge tag 'pull-riscv-to-apply-20241002' of https://github.com/alistair23/qemu into staging

RISC-V PR for 9.2

* Add a property to set vl to ceil(AVL/2)
* Enable numamem testing for RISC-V
* Consider MISA bit choice in implied rule
* Fix the za64rs priv spec requirements
* Enable Bit Manip for OpenTitan Ibex CPU
* Fix the group bit setting of AIA with KVM
* Stop timer with infinite timecmp
* Add 'fcsr' register to QEMU log as a part of F extension
* Fix riscv64 build on musl libc
* Add preliminary textra trigger CSR functions
* RISC-V bsd-user support
* Respect firmware ELF entry point
* Add Svvptc extension support
* Fix masking of rv32 physical address
* Fix linking problem with semihosting disabled
* Fix IMSIC interrupt state updates

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# 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: 6AE9 02B6 A7CA 877D 6D65  9296 AF7C 9513 0C53 8013

* tag 'pull-riscv-to-apply-20241002' of https://github.com/alistair23/qemu: (35 commits)
  bsd-user: Add RISC-V 64-bit Target Configuration and Debug XML Files
  bsd-user: Implement set_mcontext and get_ucontext_sigreturn for RISCV
  bsd-user: Implement 'get_mcontext' for RISC-V
  bsd-user: Implement RISC-V signal trampoline setup functions
  bsd-user: Define RISC-V signal handling structures and constants
  bsd-user: Add generic RISC-V64 target definitions
  bsd-user: Define RISC-V system call structures and constants
  bsd-user: Define RISC-V VM parameters and helper functions
  bsd-user: Add RISC-V thread setup and initialization support
  bsd-user: Implement RISC-V sysarch system call emulation
  bsd-user: Add RISC-V signal trampoline setup function
  bsd-user: Define RISC-V register structures and register copying
  bsd-user: Add RISC-V ELF definitions and hardware capability detection
  bsd-user: Implement RISC-V TLS register setup
  bsd-user: Implement RISC-V CPU register cloning and reset functions
  bsd-user: Add RISC-V CPU execution loop and syscall handling
  bsd-user: Implement RISC-V CPU initialization and main loop
  hw/intc: riscv-imsic: Fix interrupt state updates.
  target/riscv/cpu_helper: Fix linking problem with semihosting disabled
  target/riscv32: Fix masking of physical address
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-10-02 16:30:06 +01:00
Marc-André Lureau
95eaaa7690 hw/virtio: freeing leaked memory from vhost_svq_get_buf in vhost_svq_poll
vhost_svq_get_buf() may return a VirtQueueElement that should be freed.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Eugenio Pérez <eperezma@redhat.com>
2024-10-02 16:14:29 +04:00
Marc-André Lureau
3073c6b995 hw/virtio: fix -Werror=maybe-uninitialized
../hw/virtio/vhost-shadow-virtqueue.c:545:13: error: ‘r’ may be used uninitialized [-Werror=maybe-uninitialized]

Set `r` to 0 at every loop, since we don't check vhost_svq_get_buf()
return value.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
2024-10-02 16:14:29 +04:00
Marc-André Lureau
26a690c36e hw/virtio-blk: fix -Werror=maybe-uninitialized false-positive
../hw/block/virtio-blk.c:1212:12: error: ‘rq’ may be used uninitialized [-Werror=maybe-uninitialized]

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
2024-10-02 16:14:29 +04:00
Marc-André Lureau
ea34d1dd96 hw/sdhci: fix -Werror=maybe-uninitialized false-positive
../hw/sd/sdhci.c:846:16: error: ‘res’ may be used uninitialized [-Werror=maybe-uninitialized]

False-positive, because "length" is non-null.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
2024-10-02 16:14:29 +04:00
Marc-André Lureau
fa7e5e9e1c hw/vhost-scsi: fix -Werror=maybe-uninitialized
../hw/scsi/vhost-scsi.c:173:12: error: ‘ret’ may be used uninitialized [-Werror=maybe-uninitialized]

It can be reached when num_queues=0. It probably doesn't make much sense
to instantiate a vhost-scsi with 0 IO queues though. For now, make
vhost_scsi_set_workers() return success/0 anyway, when no workers have
been setup.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
2024-10-02 16:14:29 +04:00
Marc-André Lureau
7d6e63d982 hw/ahci: fix -Werror=maybe-uninitialized false-positive
../hw/ide/ahci.c:989:58: error: ‘tbl_entry_size’ may be used uninitialized [-Werror=maybe-uninitialized]

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
2024-10-02 16:14:29 +04:00
Marc-André Lureau
0a0744f6d8 hw/qxl: fix -Werror=maybe-uninitialized false-positives
../hw/display/qxl.c:1352:5: error: ‘pci_region’ may be used uninitialized [-Werror=maybe-uninitialized]
../hw/display/qxl.c:1365:22: error: ‘pci_start’ may be used uninitialized [-Werror=maybe-uninitialized]

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
2024-10-02 16:14:29 +04:00
Kamil Szczęk
a711afbbdb hw/i386/pc: Add a description for the i8042 property
While working on exposing the i8042 property in libvirt I noticed that
the property is missing a description. This adds a simple description
so that QEMU users don't have to dig in the source code to figure out
what this option does.

Signed-off-by: Kamil Szczęk <kamil@szczek.dev>
Link: https://lore.kernel.org/r/15fhXFY6x78KW8P5gw0eKTW8kc17zejrJFxqnOyoBy6vw4W9rCmgDhoxssWosWFs_dbFtfsyjn9wpPrV3x8Nlzhy8mTJSEnXCr4qyHAhXSw=@szczek.dev
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2024-10-02 12:58:46 +02:00
Tomasz Jeznach
1165e30d95 hw/intc: riscv-imsic: Fix interrupt state updates.
The IMSIC state variable eistate[] is modified by CSR instructions
within a range dedicated to the local CPU and by MMIO writes from any CPU.
Access to eistate from MMIO accessors is protected by the BQL, but
read-modify-write (RMW) sequences from CSRRW do not acquire the BQL,
making the RMW sequence vulnerable to a race condition with MMIO access
from a remote CPU.

This race can manifest as missing IPI or MSI in multi-CPU systems, eg:

[   43.008092] watchdog: BUG: soft lockup - CPU#2 stuck for 27s! [kworker/u19:1:52]
[   43.011723] CPU: 2 UID: 0 PID: 52 Comm: kworker/u19:1 Not tainted 6.11.0-rc6
[   43.013070] Workqueue: events_unbound deferred_probe_work_func
[   43.018776] [<ffffffff800b4a86>] smp_call_function_many_cond+0x190/0x5c2
[   43.019205] [<ffffffff800b4f28>] on_each_cpu_cond_mask+0x20/0x32
[   43.019447] [<ffffffff8001069a>] __flush_tlb_range+0xf2/0x190
[   43.019683] [<ffffffff80010914>] flush_tlb_kernel_range+0x20/0x28

The interrupt line raise/lower sequence was changed to prevent a race
between the evaluation of the eistate and the execution of the qemu_irq
raise/lower, ensuring that the interrupt line is not incorrectly
deactivated based on a stale topei check result. To avoid holding BQL
all modifications of eistate are converted to atomic operations.

Signed-off-by: Tomasz Jeznach <tjeznach@rivosinc.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <a7604e4d61068ca4d384ae2a1377e1521d4d0235.1725651699.git.tjeznach@rivosinc.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2024-10-02 15:11:51 +10:00
Samuel Holland
55c136599f hw/riscv: Respect firmware ELF entry point
When riscv_load_firmware() loads an ELF, the ELF segment addresses are
used, not the passed-in firmware_load_addr. The machine models assume
the firmware entry point is what they provided for firmware_load_addr,
and use that address to generate the boot ROM, so if the ELF is linked
at any other address, the boot ROM will jump to empty memory.

Pass back the ELF entry point to use when generating the boot ROM, so
the boot ROM can jump to firmware loaded anywhere in RAM. For example,
on the virt machine, this allows using an OpenSBI fw_dynamic.elf built
with FW_TEXT_START values other than 0x80000000.

Signed-off-by: Samuel Holland <samuel.holland@sifive.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20240817002651.3209701-1-samuel.holland@sifive.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2024-10-02 15:11:51 +10:00
Peter Maydell
54196ade09 hw/dma: Remove omap_dma4 device
The omap_dma4 device was only used in the OMAP2 SoC, which has
been removed.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20240903160751.4100218-53-peter.maydell@linaro.org
2024-10-01 14:58:07 +01:00
Peter Maydell
1e932548b2 hw/misc/omap_clk: Remove OMAP2-specifics
Remove the handling for all non-OMAP1 SoCs.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20240903160751.4100218-52-peter.maydell@linaro.org
2024-10-01 14:57:55 +01:00
Peter Maydell
9bc092f19c hw/misc: Remove omap_l4 device
The omap_l4 device is OMAP2 only, so we can remove it.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20240903160751.4100218-51-peter.maydell@linaro.org
2024-10-01 14:57:53 +01:00
Peter Maydell
427b225efc hw/display: Remove omap_dss
The omap_dss device is OMAP2 only, and we are removing it.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20240903160751.4100218-50-peter.maydell@linaro.org
2024-10-01 14:57:49 +01:00
Peter Maydell
d007962b2f hw/misc: Remove omap_tap device
The omap_tap device is OMAP2 only, and we are removing it.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20240903160751.4100218-49-peter.maydell@linaro.org
2024-10-01 14:57:19 +01:00
Peter Maydell
41695489d6 hw/ssi: Remove omap_mcspi
The omap_mcspi device is used only in the OMAP2 SoC, which we
are removing.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20240903160751.4100218-48-peter.maydell@linaro.org
2024-10-01 14:57:13 +01:00
Peter Maydell
ac2da7f9fe hw/timer: Remove omap_synctimer
Remove the omap_synctimer device, which is only in the OMAP2 SoC.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20240903160751.4100218-46-peter.maydell@linaro.org
2024-10-01 14:56:27 +01:00
Peter Maydell
9d78324be9 hw/timer: Remove omap_gptimer
The omap_gptimer device is only in the OMAP2 SoC, which we
are removing.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20240903160751.4100218-45-peter.maydell@linaro.org
2024-10-01 14:56:25 +01:00
Peter Maydell
192f75ad11 hw/misc: Remove omap_gpmc
The omap_gpmc device is only in OMAP2, which we are removing.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20240903160751.4100218-44-peter.maydell@linaro.org
2024-10-01 14:56:21 +01:00
Peter Maydell
008f769474 hw/misc: Remove omap_sdrc device
The omap_sdrc device is only in OMAP2, which we are removing.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20240903160751.4100218-43-peter.maydell@linaro.org
2024-10-01 14:56:19 +01:00
Peter Maydell
ce5dd27534 hw/sd: Remove omap2_mmc device
Remove the OMAP2 specific code from omap_mmc.c.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20240903160751.4100218-42-peter.maydell@linaro.org
2024-10-01 14:56:17 +01:00
Peter Maydell
7955b50ba1 hw/intc: Remove omap2-intc device
Remove the OMAP2 specific code from omap_intc.c.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20240903160751.4100218-41-peter.maydell@linaro.org
2024-10-01 14:56:09 +01:00