debian-native isn't really needed and suffers from the problem of
tracking a distros dependencies rather than the projects. With a
little surgery we can make the debian-amd64 container architecture
neutral and allow people to use it to build a native QEMU.
Rename it so it follows the same non-arch pattern of the other distro
containers.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Anders Roxell <anders.roxell@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20231120150833.2552739-4-alex.bennee@linaro.org>
macOS 14 "Sonoma" was released on September 2023 [1].
According to QEMU's support policy, we stop supporting the
previous major release two years after the the new major
release has been published. Replace the macOS 12 (Monterey)
testing by macOS 13 (Ventura, released on October 2022, [2]).
Refresh the generated files by running:
$ make lcitool-refresh
[1] https://www.apple.com/newsroom/2023/09/macos-sonoma-is-available-today/
[2] https://www.apple.com/newsroom/2022/10/macos-ventura-is-now-available/
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20231108162022.76189-1-philmd@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20231120150833.2552739-3-alex.bennee@linaro.org>
Fedora is gradually killing off i386 packages in its repos, via a
death-by-1000-cuts process. Thus Debian looks like a better long
term bet for i686 build testing. It has the added advantage that
we can generate it via lcitool too.
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20231107164109.1449014-1-berrange@redhat.com>
[AJB: tweak commit msg, set correct prefix]
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20231120150833.2552739-2-alex.bennee@linaro.org>
This is a few bug fixes for the 8.2 release
* Add Zicboz block size to hwprobe
* Creat the virt machine FDT before machine init is complete
* Don't verify ISA compatibility for zicntr and zihpm
* Fix SiFive E CLINT clock frequency
* Fix invalid exception on MMU translation stage
* Fix mxr bit behavior
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Merge tag 'pull-riscv-to-apply-20231122' of https://github.com/alistair23/qemu into staging
Fourth RISC-V PR for 8.2
This is a few bug fixes for the 8.2 release
* Add Zicboz block size to hwprobe
* Creat the virt machine FDT before machine init is complete
* Don't verify ISA compatibility for zicntr and zihpm
* Fix SiFive E CLINT clock frequency
* Fix invalid exception on MMU translation stage
* Fix mxr bit behavior
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# gpg: Signature made Wed 22 Nov 2023 00:37:15 EST
# gpg: using RSA key 6AE902B6A7CA877D6D659296AF7C95130C538013
# gpg: Good signature from "Alistair Francis <alistair@alistair23.me>" [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: 6AE9 02B6 A7CA 877D 6D65 9296 AF7C 9513 0C53 8013
* tag 'pull-riscv-to-apply-20231122' of https://github.com/alistair23/qemu:
target/riscv/cpu_helper.c: Fix mxr bit behavior
target/riscv/cpu_helper.c: Invalid exception on MMU translation stage
riscv: Fix SiFive E CLINT clock frequency
target/riscv: don't verify ISA compatibility for zicntr and zihpm
hw/riscv/virt.c: do create_fdt() earlier, add finalize_fdt()
linux-user/riscv: Add Zicboz block size to hwprobe
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Please pull an update of SeaBIOS-hppa to v13 to fix
a system reboot crash in qemu-system-hppa as reported in
https://gitlab.com/qemu-project/qemu/-/issues/1991
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Merge tag 'seabios-hppa-v13-pull-request' of https://github.com/hdeller/qemu-hppa into staging
SeaBIOS-hppa v13
Please pull an update of SeaBIOS-hppa to v13 to fix
a system reboot crash in qemu-system-hppa as reported in
https://gitlab.com/qemu-project/qemu/-/issues/1991
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# -----END PGP SIGNATURE-----
# gpg: Signature made Tue 21 Nov 2023 17:26:17 EST
# gpg: using EDDSA key BCE9123E1AD29F07C049BBDEF712B510A23A0F5F
# gpg: Good signature from "Helge Deller <deller@gmx.de>" [unknown]
# gpg: aka "Helge Deller <deller@kernel.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: 4544 8228 2CD9 10DB EF3D 25F8 3E5F 3D04 A7A2 4603
# Subkey fingerprint: BCE9 123E 1AD2 9F07 C049 BBDE F712 B510 A23A 0F5F
* tag 'seabios-hppa-v13-pull-request' of https://github.com/hdeller/qemu-hppa:
target/hppa: Update SeaBIOS-hppa to version 13
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
According to RISCV Specification sect 9.5 on two stage translation when
V=1 the vsstatus(mstatus in QEMU's terms) field MXR, which makes
execute-only pages readable, only overrides VS-stage page protection.
Setting MXR at HS-level(mstatus_hs), however, overrides both VS-stage
and G-stage execute-only permissions.
The hypervisor extension changes the behavior of MXR\MPV\MPRV bits.
Due to RISCV Specification sect. 9.4.1 when MPRV=1, explicit memory
accesses are translated and protected, and endianness is applied, as
though the current virtualization mode were set to MPV and the current
nominal privilege mode were set to MPP. vsstatus.MXR makes readable
those pages marked executable at the VS translation stage.
Fixes: 36a18664ba ("target/riscv: Implement second stage MMU")
Signed-off-by: Ivan Klokov <ivan.klokov@syntacore.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Message-ID: <20231121071757.7178-3-ivan.klokov@syntacore.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
According to RISCV privileged spec sect. 5.3.2 Virtual Address Translation Process
access-fault exceptions may raise only after PMA/PMP check. Current implementation
generates an access-fault for mbare mode even if there were no PMA/PMP errors.
This patch removes the erroneous MMU mode check and generates an access-fault
exception based on the pmp_violation flag only.
Fixes: 1448689c7b ("target/riscv: Allow specifying MMU stage")
Signed-off-by: Ivan Klokov <ivan.klokov@syntacore.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Message-ID: <20231121071757.7178-2-ivan.klokov@syntacore.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
If you check the manual of SiFive E310 (https://cdn.sparkfun.com/assets/7/f/0/2/7/fe310-g002-manual-v19p05.pdf),
you can see in Figure 1 that the CLINT is connected to the real time clock, which also feeds the AON peripheral (they share the same clock).
In page 43, the docs also say that the timer registers of the CLINT count ticks from the rtcclk.
I am currently playing with bare metal applications both in QEMU and a physical SiFive E310 board and
I confirm that the CLINT clock in the physical board runs at 32.768 kHz.
In QEMU, the same app produces a completely different outcome, as sometimes a new CLINT interrupt is triggered before finishing other tasks.
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1978
Signed-off-by: Rom\ufffd\ufffdn C\ufffd\ufffdrdenas <rcardenas.rod@gmail.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Message-ID: <20231117082840.55705-1-rcardenas.rod@gmail.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
The extensions zicntr and zihpm were officially added in the privilege
instruction set specification 1.12. However, QEMU has been implemented
them long before it and thus they are forced to be on during the cpu
initialization to ensure compatibility (see riscv_cpu_init).
riscv_cpu_disable_priv_spec_isa_exts was not updated when the above
behavior was introduced, resulting in these extensions to be disabled
after all.
Signed-off-by: Clément Chigot <chigot@adacore.com>
Fixes: c004099330 ("target/riscv: add zicntr extension flag for TCG")
Fixes: 0824121660 ("target/riscv: add zihpm extension flag for TCG")
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20231114123913.536194-1-chigot@adacore.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Commit 49554856f0 fixed a problem, where TPM devices were not appearing
in the FDT, by delaying the FDT creation up until virt_machine_done().
This create a side effect (see gitlab #1925) - devices that need access
to the '/chosen' FDT node during realize() stopped working because, at
that point, we don't have a FDT.
This happens because our FDT creation is monolithic, but it doesn't need
to be. We can add the needed FDT components for realize() time and, at
the same time, do another FDT round where we account for dynamic sysbus
devices. In other words, the problem fixed by 49554856f0 could also be
fixed by postponing only create_fdt_sockets() and its dependencies,
leaving everything else from create_fdt() to be done during init().
Split the FDT creation in two parts:
- create_fdt(), now moved back to virt_machine_init(), will create FDT
nodes that doesn't depend on additional (dynamic) devices from the
sysbus;
- a new finalize_fdt() step is added, where create_fdt_sockets() and
friends is executed, accounting for the dynamic sysbus devices that
were added during realize().
This will make both use cases happy: TPM devices are still working as
intended, and devices such as 'guest-loader' have a FDT to work on
during realize().
Fixes: 49554856f0 ("riscv: Generate devicetree only after machine initialization is complete")
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1925
Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20231110172559.73209-1-dbarboza@ventanamicro.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Support for probing the Zicboz block size landed in Linux 6.6, which was
released a few weeks ago. This provides the user-configured block size
when Zicboz is enabled.
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Message-ID: <20231110173716.24423-1-palmer@rivosinc.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This reverts commit c4d74ab24a.
The reverse debugging test is sometimes still failing. See:
https://gitlab.com/qemu-project/qemu/-/issues/1992
Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-ID: <20231121100842.677363-1-thuth@redhat.com>
The file offset of the load segment is not relevant to the
low address, only the beginning of the virtual address page.
Cc: qemu-stable@nongnu.org
Fixes: a93934fecd ("elf: take phdr offset into account when calculating the program load address")
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1952
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Allow the VIA IDE controller to switch between both legacy and native modes by
calling pci_ide_update_mode() to reconfigure the device whenever PCI_CLASS_PROG
is updated.
This patch moves the initial setting of PCI_CLASS_PROG from via_ide_realize() to
via_ide_reset(), and removes the direct setting of PCI_INTERRUPT_PIN during PCI
bus reset since this is now managed by pci_ide_update_mode(). This ensures that
the device configuration is always consistent with respect to the currently
selected mode.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-ID: <20231116103355.588580-5-mark.cave-ayland@ilande.co.uk>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
The via-ide device currently attempts to set the default BAR addresses to the
values shown in the datasheet, but this doesn't work for 2 reasons: firstly
BARS 1-4 do not set the bottom 2 bits to PCI_BASE_ADDRESS_SPACE_IO, and
secondly the initial PCI bus reset clears the values of all PCI device BARs
after the device itself has been reset.
Remove the setting of the default BAR addresses from via_ide_reset() to ensure
there is no doubt that these values are never exposed to the guest.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-ID: <20231116103355.588580-4-mark.cave-ayland@ilande.co.uk>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This function reads the value of the PCI_CLASS_PROG register for PCI IDE
controllers and configures the PCI BARs and/or IDE ioports accordingly.
In the case where we switch to legacy mode, the PCI BARs are set to return zero
(as suggested in the "PCI IDE Controller" specification), the legacy IDE ioports
are enabled, and the PCI interrupt pin cleared to indicate legacy IRQ routing.
Conversely when we switch to native mode, the legacy IDE ioports are disabled
and the PCI interrupt pin set to indicate native IRQ routing. The contents of
the PCI BARs are unspecified, but this is not an issue since if a PCI IDE
controller has been switched to native mode then its BARs will need to be
programmed.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-ID: <20231116103355.588580-3-mark.cave-ayland@ilande.co.uk>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
These definitions are present in ioport.c which is currently only available when
CONFIG_IDE_ISA is enabled. Move them to the IDE core so that they can be made
available to PCI IDE controllers that support switching to legacy mode.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-ID: <20231116103355.588580-2-mark.cave-ayland@ilande.co.uk>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This tests two parallel stream jobs that will complete around the same
time and run on two different disks in the same iothreads. It is loosely
based on the bug report at https://issues.redhat.com/browse/RHEL-1761.
For me, this test hangs reliably with the originally reported bug in
blk_remove_bs(). After fixing it, it intermittently hangs for the bugs
fixed after it, missing AioContext unlocking in bdrv_graph_wrunlock()
and in stream_prepare(). The deadlocks seem to happen more frequently
when the test directory is on tmpfs.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-ID: <20231115172012.112727-5-kwolf@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
In stream_prepare(), we need to temporarily drop the AioContext lock
that job_prepare_locked() took for us while calling the graph write lock
functions which can poll.
All block nodes related to this block job are in the same AioContext, so
we can pass any of them to bdrv_graph_wrlock()/ bdrv_graph_wrunlock().
Unfortunately, the one that we picked is base, which can be NULL - and
in this case the AioContext lock is not released and deadlocks can
occur.
Fix this by passing s->target_bs, which is never NULL.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-ID: <20231115172012.112727-4-kwolf@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
bdrv_graph_wrunlock() calls aio_poll(), which may run callbacks that
have a nested event loop. Nested event loops can depend on other
iothreads making progress, so in order to allow them to make progress it
must not hold the AioContext lock of another thread while calling
aio_poll().
This introduces a @bs parameter to bdrv_graph_wrunlock() whose
AioContext is temporarily dropped (which matches bdrv_graph_wrlock()),
and a bdrv_graph_wrunlock_ctx() that can be used if the BlockDriverState
doesn't necessarily exist any more when unlocking.
This also requires a change to bdrv_schedule_unref(), which was relying
on the incorrectly taken lock. It needs to take the lock itself now.
While this is a separate bug, it can't be fixed a separate patch because
otherwise the intermediate state would either deadlock or try to release
a lock that we don't even hold.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-ID: <20231115172012.112727-3-kwolf@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
[kwolf: Fixed up bdrv_schedule_unref()]
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
While not all callers of blk_remove_bs() are correct in this respect,
the assumption in the function is that callers hold the AioContext lock
of the BlockBackend (this is required by the drain calls in it).
In order to avoid deadlock in the nested event loop, bdrv_graph_wrlock()
has then to be called with the root BlockDriverState as its parameter
instead of NULL, so that this AioContext lock is temporarily dropped.
Fixes: https://issues.redhat.com/browse/RHEL-1761
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-ID: <20231115172012.112727-2-kwolf@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Legacy software contains a standard mechanism for generating a reset to a
Serial ATA device - setting the SRST (software reset) bit in the Device
Control register.
Serial ATA has a more robust mechanism called COMRESET, also referred to
as port reset. A port reset is the preferred mechanism for error
recovery and should be used in place of software reset.
Commit e2a5d9b3d9 ("hw/ide/ahci: simplify and document PxCI handling")
improved the handling of PxCI, such that PxCI gets cleared after handling
a non-NCQ, or NCQ command (instead of incorrectly clearing PxCI after
receiving anything - even a FIS that failed to parse, which should NOT
clear PxCI, so that you can see which command slot that caused an error).
However, simply clearing PxCI after a non-NCQ, or NCQ command, is not
enough, we also need to clear PxCI when receiving a SRST in the Device
Control register.
A legacy software reset is performed by the host sending two H2D FISes,
the first H2D FIS asserts SRST, and the second H2D FIS deasserts SRST.
The first H2D FIS will not get a D2H reply, and requires the FIS to have
the C bit set to one, such that the HBA itself will clear the bit in PxCI.
The second H2D FIS will get a D2H reply once the diagnostic is completed.
The clearing of the bit in PxCI for this command should ideally be done
in ahci_init_d2h() (if it was a legacy software reset that caused the
reset (a COMRESET does not use a command slot)). However, since the reset
value for PxCI is 0, modify ahci_reset_port() to actually clear PxCI to 0,
that way we can avoid complex logic in ahci_init_d2h().
This fixes an issue for FreeBSD where the device would fail to reset.
The problem was not noticed in Linux, because Linux uses a COMRESET
instead of a legacy software reset by default.
Fixes: e2a5d9b3d9 ("hw/ide/ahci: simplify and document PxCI handling")
Reported-by: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
Signed-off-by: Niklas Cassel <niklas.cassel@wdc.com>
Message-ID: <20231108222657.117984-1-nks@flawful.org>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Tested-by: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Coverity couldn't see that nr_existing was always going to be zero when
qemu_xen_xs_directory() returned NULL in the ENOENT case (CID 1523906).
Perhaps more to the point, neither could Peter at first glance. Improve
the code to hopefully make it clearer to Coverity and human reviewers
alike.
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Paul Durrant <paul@xen.org>
If a Xen console is configured on the command line, do not add a default
serial port.
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Paul Durrant <paul@xen.org>
* enable FEAT_RNG on Neoverse-N2
* hw/intc/arm_gicv3: ICC_PMR_EL1 high bits should be RAZ
* Fix SME FMOPA (16-bit), BFMOPA
* hw/core/machine: Constify MachineClass::valid_cpu_types[]
* stm32f* machines: Report error when user asks for wrong CPU type
* hw/arm/fsl-imx: Do not ignore Error argument
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Merge tag 'pull-target-arm-20231121' of https://git.linaro.org/people/pmaydell/qemu-arm into staging
target-arm queue:
* enable FEAT_RNG on Neoverse-N2
* hw/intc/arm_gicv3: ICC_PMR_EL1 high bits should be RAZ
* Fix SME FMOPA (16-bit), BFMOPA
* hw/core/machine: Constify MachineClass::valid_cpu_types[]
* stm32f* machines: Report error when user asks for wrong CPU type
* hw/arm/fsl-imx: Do not ignore Error argument
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# gpg: Signature made Tue 21 Nov 2023 05:21:42 EST
# gpg: using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg: issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [full]
# gpg: aka "Peter Maydell <pmaydell@gmail.com>" [full]
# gpg: aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [full]
# gpg: aka "Peter Maydell <peter@archaic.org.uk>" [unknown]
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83 15CF 3C25 25ED 1436 0CDE
* tag 'pull-target-arm-20231121' of https://git.linaro.org/people/pmaydell/qemu-arm:
hw/arm/fsl-imx: Do not ignore Error argument
hw/arm/stm32f100: Report error when incorrect CPU is used
hw/arm/stm32f205: Report error when incorrect CPU is used
hw/arm/stm32f405: Report error when incorrect CPU is used
hw/core/machine: Constify MachineClass::valid_cpu_types[]
target/arm: Fix SME FMOPA (16-bit), BFMOPA
hw/intc/arm_gicv3: ICC_PMR_EL1 high bits should be RAZ
target/arm: enable FEAT_RNG on Neoverse-N2
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Merge tag 'pull-loongarch-20231121' of https://gitlab.com/gaosong/qemu into staging
fixes tcg_out_mov aborted.
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# gpg: Signature made Mon 20 Nov 2023 21:34:14 EST
# gpg: using RSA key B8FF1DA0D2FDCB2DA09C6C2C40A2FFF239263EDF
# gpg: Good signature from "Song Gao <m17746591750@163.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: B8FF 1DA0 D2FD CB2D A09C 6C2C 40A2 FFF2 3926 3EDF
* tag 'pull-loongarch-20231121' of https://gitlab.com/gaosong/qemu:
tcg/loongarch64: Fix tcg_out_mov() Aborted
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
In the minimal pixman API stub that is used when the real pixman
dependency is missing a NULL dereference happens when
virtio-gpu-rutabaga allocates a pixman image with bits = NULL and
rowstride_bytes = zero. A buffer of rowstride_bytes * height is
allocated which is NULL. However, in that scenario pixman calculates a
new stride value based on given width, height and format size.
This commit adds a helper function that performs the same logic as
pixman.
Signed-off-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20231121093840.2121195-1-manos.pitsidianakis@linaro.org>
We should also consider -display vnc= as setting up a remote display,
and not attempt to add another default one.
The display_remote++ in qemu_setup_display() isn't necessary at this
point, but is there for completeness and further usages of the variable.
Fixes: https://gitlab.com/qemu-project/qemu/-/issues/1988
Fixes: commit 484629fc81 ("vl: simplify display_remote logic ")
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
When display is "none", we may still have remote displays (I think it
would be simpler if VNC/Spice were regular display btw). Return the
default VC then, and set them up to fix a regression when using remote
display and it used the TTY instead.
Fixes: https://gitlab.com/qemu-project/qemu/-/issues/1989
Fixes: commit 1bec1cc0d ("ui/console: allow to override the default VC")
Reported-by: German Maglione <gmaglione@redhat.com>
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Acked-by: Thomas Huth <thuth@redhat.com>
Those display have their own implementation of "vc" chardev, which
doesn't use pixman. They also don't implement the width/height/cols/rows
options, so qemu_display_get_vc() should return a compatible argument.
This patch was meant to be with the pixman series, when the "vc" field
was introduced. It fixes a regression where VC are created on the
tty (or null) instead of the display own "vc" implementation.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Acked-by: Thomas Huth <thuth@redhat.com>
Commit 1bec1cc0d ("ui/console: allow to override the default VC") changed
the behaviour of the "-display none" option, so that it now creates a
QEMU monitor on the terminal. "-display none" should not be tangled up
with whether we create a monitor or a serial terminal; it should purely
and only disable the graphical window. Changing its behaviour like this
breaks command lines which, for example, use semihosting for their
output and don't want a graphical window, as they now get a monitor they
never asked for.
It also breaks the command line we document for Xen in
docs/system/i386/xen.html:
$ ./qemu-system-x86_64 --accel kvm,xen-version=0x40011,kernel-irqchip=split \
-display none -chardev stdio,mux=on,id=char0,signal=off -mon char0 \
-device xen-console,chardev=char0 -drive file=${GUEST_IMAGE},if=xen
qemu-system-x86_64: cannot use stdio by multiple character devices
qemu-system-x86_64: could not connect serial device to character backend
'stdio'
When qemu is compiled without PIXMAN, by default the serials aren't
muxed with the monitor anymore on stdio. The serials are redirected to
"null" instead, and the monitor isn't set up.
Fixes: commit 1bec1cc0d ("ui/console: allow to override the default VC")
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Tested-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Tested-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: David Woodhouse <dwmw@amazon.co.uk>
In net_cleanup() we only need to delete the netdevs, as those may have
state which outlives Qemu when it exits, and thus may actually need to
be cleaned up on exit.
The nics, on the other hand, are owned by the device which created them.
Most devices don't bother to clean up on exit because they don't have
any state which will outlive Qemu... but XenBus devices do need to clean
up their nodes in XenStore, and do have an exit handler to delete them.
When the XenBus exit handler destroys the xen-net-device, it attempts
to delete its nic after net_cleanup() had already done so. And crashes.
Fix this by only deleting netdevs as we walk the list. As the comment
notes, we can't use QTAILQ_FOREACH_SAFE() as each deletion may remove
*multiple* entries, including the "safely" saved 'next' pointer. But
we can store the *previous* entry, since nics are safe.
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Paul Durrant <paul@xen.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Recently MemReentrancyGuard was added to DeviceState to record that the
device is engaging in I/O. The network device backend needs to update it
when delivering a packet to a device.
This implementation follows what bottom half does, but it does not add
a tracepoint for the case that the network device backend started
delivering a packet to a device which is already engaging in I/O. This
is because such reentrancy frequently happens for
qemu_flush_queued_packets() and is insignificant.
Fixes: CVE-2023-3019
Reported-by: Alexander Bulekov <alxndr@bu.edu>
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Acked-by: Alexander Bulekov <alxndr@bu.edu>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Recently MemReentrancyGuard was added to DeviceState to record that the
device is engaging in I/O. The network device backend needs to update it
when delivering a packet to a device.
In preparation for such a change, add MemReentrancyGuard * as a
parameter of qemu_new_nic().
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Alexander Bulekov <alxndr@bu.edu>
Signed-off-by: Jason Wang <jasowang@redhat.com>
The PNV I2C Controller was clearing the status register
after a reset without repopulating the "upper threshold
for I2C ports", "Command Complete" and the SCL/SDA input
level fields.
Fixed this for resets caused by a system reset as well
as from writing to the "Immediate Reset" register.
Fixes: 263b81ee15 ("ppc/pnv: Add an I2C controller model")
Signed-off-by: Glenn Miles <milesg@linux.vnet.ibm.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
The PNV I2C engines for power9 and power10 were being assigned a base
XSCOM address that was off by one I2C engine's address range such
that engine 0 had engine 1's address and so on. The xscom address
assignment was being based on the device tree engine numbering, which
starts at 1. Rather than changing the device tree numbering to start
with 0, the addressing was changed to be based on the existing device
tree numbers minus one.
Fixes: 1ceda19c28 ("ppc/pnv: Connect PNV I2C controller to powernv10)
Signed-off-by: Glenn Miles <milesg@linux.vnet.ibm.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
The patch below fixes a bug in the VSX_CVT_FP_TO_INT and VSX_CVT_FP_TO_INT2
macros in target/ppc/fpu_helper.c where a non-NaN floating point value from the
source vector is incorrectly converted to 0, 0x80000000, or 0x8000000000000000
instead of the expected value if a preceding source floating point value from
the same source vector was a NaN.
The bug in the VSX_CVT_FP_TO_INT and VSX_CVT_FP_TO_INT2 macros in
target/ppc/fpu_helper.c was introduced with commit c3f24257e3.
This patch also adds a new vsx_f2i_nan test in tests/tcg/ppc64 that checks that
the VSX xvcvspsxws, xvcvspuxws, xvcvspsxds, xvcvspuxds, xvcvdpsxws, xvcvdpuxws,
xvcvdpsxds, and xvcvdpuxds instructions correctly convert non-NaN floating point
values to integer values if the source vector contains NaN floating point values.
Fixes: c3f24257e3 ("target/ppc: Clear fpstatus flags on helpers missing it")
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1941
Signed-off-by: John Platts <john_platts@hotmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Coverity warns that "i2c_bus_busy(i2c->busses[i]) << i" might overflow
because the expression is evaluated using 32-bit arithmetic and then
used in a context expecting a uint64_t.
While we are at it, introduce a PNV_I2C_MAX_BUSSES constant and check
the number of busses at realize time.
Fixes: Coverity CID 1523918
Cc: Glenn Miles <milesg@linux.vnet.ibm.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Glenn Miles <milesg@linux.vnet.ibm.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
On LoongArch host, we got an Aborted from tcg_out_mov().
qemu-x86_64 configure with '--enable-debug'.
> (gdb) b /home1/gaosong/code/qemu/tcg/loongarch64/tcg-target.c.inc:312
> Breakpoint 1 at 0x2576f0: file /home1/gaosong/code/qemu/tcg/loongarch64/tcg-target.c.inc, line 312.
> (gdb) run hello
[...]
> Thread 1 "qemu-x86_64" hit Breakpoint 1, tcg_out_mov (s=0xaaaae91760 <tcg_init_ctx>, type=TCG_TYPE_V128, ret=TCG_REG_V2,
> arg=TCG_REG_V0) at /home1/gaosong/code/qemu/tcg/loongarch64/tcg-target.c.inc:312
> 312 g_assert_not_reached();
> (gdb) bt
> #0 tcg_out_mov (s=0xaaaae91760 <tcg_init_ctx>, type=TCG_TYPE_V128, ret=TCG_REG_V2, arg=TCG_REG_V0)
> at /home1/gaosong/code/qemu/tcg/loongarch64/tcg-target.c.inc:312
> #1 0x000000aaaad0fee0 in tcg_reg_alloc_mov (s=0xaaaae91760 <tcg_init_ctx>, op=0xaaaaf67c20) at ../tcg/tcg.c:4632
> #2 0x000000aaaad142f4 in tcg_gen_code (s=0xaaaae91760 <tcg_init_ctx>, tb=0xffe8030340 <code_gen_buffer+197328>,
> pc_start=4346094) at ../tcg/tcg.c:6135
[...]
> (gdb) c
> Continuing.
> **
> ERROR:/home1/gaosong/code/qemu/tcg/loongarch64/tcg-target.c.inc:312:tcg_out_mov: code should not be reached
> Bail out! ERROR:/home1/gaosong/code/qemu/tcg/loongarch64/tcg-target.c.inc:312:tcg_out_mov: code should not be reached
>
> Thread 1 "qemu-x86_64" received signal SIGABRT, Aborted.
> 0x000000fff7b1c390 in raise () from /lib64/libc.so.6
> (gdb) q
Fixes: 16288ded94 ("tcg/loongarch64: Lower basic tcg vec ops to LSX")
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20231120065916.374045-1-gaosong@loongson.cn>
Both i.MX25 and i.MX6 SoC models ignore the Error argument when
setting the PHY number. Pick &error_abort which is the error
used by the i.MX7 SoC (see commit 1f7197deb0 "ability to change
the FEC PHY on i.MX7 processor").
Fixes: 74c1330582 ("ability to change the FEC PHY on i.MX25 processor")
Fixes: a9c167a3c4 ("ability to change the FEC PHY on i.MX6 processor")
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20231120115116.76858-1-philmd@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The 'stm32vldiscovery' machine ignores the CPU type requested by
the command line. This might confuse users, since the following
will create a machine with a Cortex-M3 CPU:
$ qemu-system-aarch64 -M stm32vldiscovery -cpu neoverse-n1
Set the MachineClass::valid_cpu_types field (introduced in commit
c9cf636d48 "machine: Add a valid_cpu_types property").
Remove the now unused MachineClass::default_cpu_type field.
We now get:
$ qemu-system-aarch64 -M stm32vldiscovery -cpu neoverse-n1
qemu-system-aarch64: Invalid CPU type: neoverse-n1-arm-cpu
The valid types are: cortex-m3-arm-cpu
Since the SoC family can only use Cortex-M3 CPUs, hard-code the
CPU type name at the SoC level, removing the QOM property
entirely.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Gavin Shan <gshan@redhat.com>
Message-id: 20231117071704.35040-5-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The 'netduino2' machine ignores the CPU type requested by the
command line. This might confuse users, since the following will
create a machine with a Cortex-M3 CPU:
$ qemu-system-arm -M netduino2 -cpu cortex-a9
Set the MachineClass::valid_cpu_types field (introduced in commit
c9cf636d48 "machine: Add a valid_cpu_types property").
Remove the now unused MachineClass::default_cpu_type field.
We now get:
$ qemu-system-arm -M netduino2 -cpu cortex-a9
qemu-system-arm: Invalid CPU type: cortex-a9-arm-cpu
The valid types are: cortex-m3-arm-cpu
Since the SoC family can only use Cortex-M3 CPUs, hard-code the
CPU type name at the SoC level, removing the QOM property
entirely.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Gavin Shan <gshan@redhat.com>
Message-id: 20231117071704.35040-4-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
