Commit Graph

121351 Commits

Author SHA1 Message Date
Pierrick Bouvier
3efb9d2262 hw/hyperv/syndbg: common compilation unit
We assume that page size is 4KB only, to dimension buffer size for
receiving message.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-ID: <20250424232829.141163-5-pierrick.bouvier@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2025-05-08 14:22:12 +02:00
Pierrick Bouvier
4a695643a9 hw/hyperv/vmbus: common compilation unit
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-ID: <20250424232829.141163-4-pierrick.bouvier@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2025-05-08 14:22:12 +02:00
Pierrick Bouvier
690bc5f98a hw/hyperv/hyperv.h: header cleanup
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-ID: <20250424232829.141163-3-pierrick.bouvier@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2025-05-08 14:22:12 +02:00
Pierrick Bouvier
7d49a5e8bf hw/hyperv/hv-balloon-stub: common compilation unit
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-ID: <20250424232829.141163-2-pierrick.bouvier@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2025-05-08 14:22:12 +02:00
Philippe Mathieu-Daudé
962f9f18d2 system/hvf: Expose hvf_enabled() to common code
Currently hvf_enabled() is restricted to target-specific code.
By defining CONFIG_HVF_IS_POSSIBLE we allow its use anywhere.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20250403235821.9909-28-philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
2025-05-08 14:22:12 +02:00
Philippe Mathieu-Daudé
0af34b1dac system/hvf: Avoid including 'cpu.h'
"system/hvf.h" doesn't need to include a full "cpu.h",
only "exec/vaddr.h" and "qemu/queue.h" are required.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-Id: <20250403235821.9909-27-philmd@linaro.org>
2025-05-08 14:22:12 +02:00
Philippe Mathieu-Daudé
b3b3ad22c8 accel/hvf: Include missing 'hw/core/cpu.h' header
Since commit d5bd8d8267 ("hvf: only update sysreg from owning
thread") hvf-all.c accesses the run_on_cpu_data type and calls
run_on_cpu(), both defined in the "hw/core/cpu.h" header.
Fortunately, it is indirectly included via:

  "system/hvf.h"
    -> "target/arm/cpu.h"
         -> "target/arm/cpu-qom.h"
              -> "hw/core/cpu.h"

"system/hvf.h" however doesn't need "target/arm/cpu.h" and we
want to remove it there. In order to do that we first need to
include it in hvf-all.c, otherwise we get:

  ../accel/hvf/hvf-all.c:61:54: error: unknown type name 'run_on_cpu_data'
   61 | static void do_hvf_update_guest_debug(CPUState *cpu, run_on_cpu_data arg)
      |                                                      ^
  ../accel/hvf/hvf-all.c:68:5: error: call to undeclared function 'run_on_cpu'
   68 |     run_on_cpu(cpu, do_hvf_update_guest_debug, RUN_ON_CPU_NULL);
      |     ^
  ../accel/hvf/hvf-all.c:68:48: error: use of undeclared identifier 'RUN_ON_CPU_NULL'
   68 |     run_on_cpu(cpu, do_hvf_update_guest_debug, RUN_ON_CPU_NULL);
      |                                                ^

Cc: Mads Ynddal <m.ynddal@samsung.com>
Reported-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Mads Ynddal <mads@ynddal.dk>
Message-Id: <20250507204401.45379-1-philmd@linaro.org>
2025-05-08 14:22:12 +02:00
Philippe Mathieu-Daudé
dd54fc2a6b target/migration: Inline VMSTATE_CPU()
VMSTATE_CPU() is only used in 4 places and doesn't provide
much, directly inline it using VMSTATE_STRUCT().

This removes the last COMPILING_PER_TARGET in "hw/core/cpu.h".

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Acked-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250429085148.11876-1-philmd@linaro.org>
2025-05-08 14:22:12 +02:00
Steve Sistare
67ce2866a7 qom: Factor qom_resolve_path() out
Factor out a helper to resolve the user's path and print error messages.
No functional change.

Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <1741036202-265696-2-git-send-email-steven.sistare@oracle.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2025-05-08 09:02:58 +02:00
Pierrick Bouvier
9b23bf5024 bsd-user: add option to enable plugins
Nothing prevent plugins to be enabled on this platform for user
binaries, only the option in the driver is missing.

Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20250331234228.3475706-1-pierrick.bouvier@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2025-05-08 09:02:58 +02:00
Stefan Hajnoczi
c5f122fdcc * ci: enable RISC-V cross jobs
* rust: bump minimum supported version to 1.77
 * rust: enable uninlined_format_args lint
 * initial Emscripten support
 * small fixes
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Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* ci: enable RISC-V cross jobs
* rust: bump minimum supported version to 1.77
* rust: enable uninlined_format_args lint
* initial Emscripten support
* small fixes

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# 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: (30 commits)
  gitlab: Enable CI for wasm build
  tests: Add Dockerfile containing dependencies for Emscripten build
  meson: Add wasm build in build scripts
  util: Add coroutine backend for emscripten
  util: exclude mmap-alloc.c from compilation target on Emscripten
  Disable options unsupported on Emscripten
  include/qemu/osdep.h: Add Emscripten-specific OS dependencies
  block: Fix type conflict of the copy_file_range stub
  block: Add including of ioctl header for Emscripten build
  util/cacheflush.c: Update cache flushing mechanism for Emscripten
  include/glib-compat.h: Poison g_list_sort and g_slist_sort
  target/s390x: Fix type conflict of GLib function pointers
  target/ppc: Fix type conflict of GLib function pointers
  target/i386/cpu.c: Fix type conflict of GLib function pointers
  target/arm/helper.c: Fix type conflict of GLib function pointers
  docs: build-system: fix typo
  ci: run RISC-V cross jobs by default
  rust: clippy: enable uninlined_format_args lint
  target/i386/emulate: fix target_ulong format strings
  docs: rust: update for newer minimum supported version
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2025-05-07 16:10:59 -04:00
Stefan Hajnoczi
57b6f8d07f target-arm queue:
* hw/arm/npcm8xx_boards: Correct valid_cpu_types setting of NPCM8XX SoC
  * arm/hvf: fix crashes when using gdbstub
  * target/arm/ptw: fix arm_cpu_get_phys_page_attrs_debug
  * hw/arm/virt: Remove deprecated old versions of 'virt' machine
  * tests/functional: Add test for imx8mp-evk board with USDHC coverage
  * hw/arm: Attach PSPI module to NPCM8XX SoC
  * target/arm: Don't assert() for ISB/SB inside IT block
  * docs: Don't define duplicate label in qemu-block-drivers.rst.inc
  * target/arm/kvm: Drop support for kernels without KVM_ARM_PREFERRED_TARGET
  * hw/pci-host/designware: Fix viewport configuration
  * hw/gpio/imx_gpio: Fix interpretation of GDIR polarity
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Merge tag 'pull-target-arm-20250506' of https://git.linaro.org/people/pmaydell/qemu-arm into staging

target-arm queue:
 * hw/arm/npcm8xx_boards: Correct valid_cpu_types setting of NPCM8XX SoC
 * arm/hvf: fix crashes when using gdbstub
 * target/arm/ptw: fix arm_cpu_get_phys_page_attrs_debug
 * hw/arm/virt: Remove deprecated old versions of 'virt' machine
 * tests/functional: Add test for imx8mp-evk board with USDHC coverage
 * hw/arm: Attach PSPI module to NPCM8XX SoC
 * target/arm: Don't assert() for ISB/SB inside IT block
 * docs: Don't define duplicate label in qemu-block-drivers.rst.inc
 * target/arm/kvm: Drop support for kernels without KVM_ARM_PREFERRED_TARGET
 * hw/pci-host/designware: Fix viewport configuration
 * hw/gpio/imx_gpio: Fix interpretation of GDIR polarity

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# gpg: Signature made Tue 06 May 2025 10:41:33 EDT
# 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-20250506' of https://git.linaro.org/people/pmaydell/qemu-arm: (32 commits)
  hw/arm/virt: Remove deprecated virt-4.0 machine
  hw/arm/virt: Remove deprecated virt-3.1 machine
  hw/arm/virt: Remove deprecated virt-3.0 machine
  hw/arm/virt: Update comment about Multiprocessor Affinity Register
  hw/gpio/imx_gpio: Fix interpretation of GDIR polarity
  hw/pci-host/designware: Fix viewport configuration
  hw/pci-host/designware: Remove unused include
  target/arm/kvm: Drop support for kernels without KVM_ARM_PREFERRED_TARGET
  docs: Don't define duplicate label in qemu-block-drivers.rst.inc
  target/arm: Don't assert() for ISB/SB inside IT block
  hw/arm: Attach PSPI module to NPCM8XX SoC
  tests/functional: Add test for imx8mp-evk board with USDHC coverage
  hw/arm/virt: Remove VirtMachineClass::no_highmem_ecam field
  hw/arm/virt: Remove deprecated virt-2.12 machine
  hw/arm/virt: Remove VirtMachineClass::smbios_old_sys_ver field
  hw/arm/virt: Remove deprecated virt-2.11 machine
  hw/arm/virt: Remove deprecated virt-2.10 machine
  hw/arm/virt: Remove deprecated virt-2.9 machine
  hw/arm/virt: Remove VirtMachineClass::claim_edge_triggered_timers field
  hw/arm/virt: Remove deprecated virt-2.8 machine
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2025-05-07 14:28:20 -04:00
Edgar E. Iglesias
88fb705600 xen: mapcache: Split mapcache_grants by ro and rw
Today, we don't track write-abiliy in the cache, if a user
requests a readable mapping followed by a writeable mapping
on the same page, the second lookup will incorrectly hit
the readable entry.

Split mapcache_grants by ro and rw access. Grants will now
have separate ways in the cache depending on writeability.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@amd.com>
2025-05-06 18:39:44 +02:00
Aleksandr Partanen
a4b20f737c xen: mapcache: Fix finding matching entry
If we have request without lock and hit unlocked or invalid
entry during the search, we remap it immediately,
even if we have matching entry in next entries in bucket.
This leads to duplication of mappings of the same size,
and to possibility of selecting the wrong element
during invalidation and underflow it's entry->lock counter

Signed-off-by: Aleksandr Partanen <alex.pentagrid@gmail.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@amd.com>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@amd.com>
2025-05-06 18:39:43 +02:00
Stefan Hajnoczi
c5e2c4042e loongarch queue
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Merge tag 'pull-loongarch-20250506' of https://github.com/bibo-mao/qemu into staging

loongarch queue

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# gpg: Signature made Mon 05 May 2025 21:18:06 EDT
# gpg:                using EDDSA key 0D8642A3A2659F80B0B3D1A41F7B0C1251ACE7D1
# gpg: Good signature from "bibo mao <maobibo@loongson.cn>" [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: 7044 3A00 19C0 E97A 31C7  13C4 8E86 8FB7 A176 9D4C
#      Subkey fingerprint: 0D86 42A3 A265 9F80 B0B3  D1A4 1F7B 0C12 51AC E7D1

* tag 'pull-loongarch-20250506' of https://github.com/bibo-mao/qemu:
  hw/loongarch/virt: Allow user to customize OEM ID and OEM table ID
  hw/loongarch/virt: Replace RSDT with XSDT table
  hw/loongarch/virt: Get physical entry address with elf file
  hw/intc/loongarch_pch: Replace legacy reset callback with new api
  hw/intc/loongarch_pch: Add reset support
  hw/intc/loongarch_extioi: Replace legacy reset callback with new api
  hw/intc/loongarch_extioi: Add reset support
  hw/intc/loongarch_ipi: Add reset support

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2025-05-06 11:03:45 -04:00
Stefan Hajnoczi
7cef6d6863 include: Remove 'exec/exec-all.h'
accel/tcg: Build tb-maint.c twice
 accel/tcg: Build cpu-exec.c twice
 accel/tcg: Build translate-all.c twice
 accel/tcg: Build tcg-all.c twice
 accel/tcg: Build cputlb.c once
 accel/tcg: Build user-exec.c once
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Merge tag 'pull-tcg-20250501-v2' of https://gitlab.com/rth7680/qemu into staging

include: Remove 'exec/exec-all.h'
accel/tcg: Build tb-maint.c twice
accel/tcg: Build cpu-exec.c twice
accel/tcg: Build translate-all.c twice
accel/tcg: Build tcg-all.c twice
accel/tcg: Build cputlb.c once
accel/tcg: Build user-exec.c once

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# gpg: Signature made Mon 05 May 2025 15:47:34 EDT
# gpg:                using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg:                issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [full]
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A  05C0 64DF 38E8 AF7E 215F

* tag 'pull-tcg-20250501-v2' of https://gitlab.com/rth7680/qemu: (59 commits)
  accel/tcg: Build user-exec.c once
  accel/tcg: Avoid abi_ptr in user-exec.c
  accel/tcg: Remove TARGET_PAGE_DATA_SIZE
  accel/tcg: Move TARGET_TAGGED_ADDRESSES to TCGCPUOps.untagged_addr
  include/user: Use vaddr in guest-host.h
  include/user: Convert GUEST_ADDR_MAX to a variable
  accel/tcg: Build cputlb.c once
  accel/tcg: Use vaddr for plugin_{load,store}_cb
  accel/tcg: Use target_long_bits() in cputlb.c
  accel/tcg: Move tlb_vaddr_to_host declaration to probe.h
  accel/tcg: Move user-only tlb_vaddr_to_host out of line
  accel/tcg: Use vaddr in cpu_loop.h
  accel/tcg: Build tcg-all.c twice
  accel/tcg: Build translate-all.c twice
  accel/tcg: Use target_long_bits() in translate-all.c
  accel/tcg: Don't use TARGET_LONG_BITS in decode_sleb128
  tcg: Define INSN_START_WORDS as constant 3
  qemu: Introduce target_long_bits()
  qemu/target_info: Add %target_cpu_type field to TargetInfo
  system/vl: Filter machine list available for a particular target binary
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2025-05-06 11:03:31 -04:00
Philippe Mathieu-Daudé
607e1208b5 hw/arm/virt: Remove deprecated virt-4.0 machine
This machine has been supported for a period of more than 6 years.
According to our versioned machine support policy (see commit
ce80c4fa6f "docs: document special exception for machine type
deprecation & removal") it can now be removed.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20250429153907.31866-5-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-05-06 15:02:35 +01:00
Philippe Mathieu-Daudé
c4aca607c1 hw/arm/virt: Remove deprecated virt-3.1 machine
This machine has been supported for a period of more than 6 years.
According to our versioned machine support policy (see commit
ce80c4fa6f "docs: document special exception for machine type
deprecation & removal") it can now be removed.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20250429153907.31866-4-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-05-06 15:02:35 +01:00
Philippe Mathieu-Daudé
bac2532735 hw/arm/virt: Remove deprecated virt-3.0 machine
This machine has been supported for a period of more than 6 years.
According to our versioned machine support policy (see commit
ce80c4fa6f "docs: document special exception for machine type
deprecation & removal") it can now be removed.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20250429153907.31866-3-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-05-06 15:02:35 +01:00
Philippe Mathieu-Daudé
ecb0cfb8a2 hw/arm/virt: Update comment about Multiprocessor Affinity Register
Support on ARMv7 has been dropped in commit 82bf7ae84c
("target/arm: Remove KVM support for 32-bit Arm hosts").
Update the comment in virt_cpu_mp_affinity() to avoid
mentioning it.

Suggested-by: Andrew Jones <ajones@ventanamicro.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20250429153907.31866-2-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-05-06 15:02:35 +01:00
Bernhard Beschow
eba837a31b hw/gpio/imx_gpio: Fix interpretation of GDIR polarity
According to the i.MX 8M Plus reference manual, a GPIO pin is
configured as an output when the corresponding bit in the GDIR
register is set.  The function imx_gpio_set_int_line() is intended to
be a no-op if the pin is configured as an output, returning early in
such cases.  However, it inverts the condition.  Fix this by
returning early when the bit is set.

cc: qemu-stable@nongnu.org
Fixes: f442728097 ("i.MX: Add GPIO device")
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Message-id: 20250501183445.2389-4-shentey@gmail.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-05-06 15:02:35 +01:00
Bernhard Beschow
4fb17d01ef hw/pci-host/designware: Fix viewport configuration
Commit 6970f91ac7, "hw/pci-host/designware: Use deposit/extract
API" accidentally introduced a copy-and-paste error, causing Linux
6.14 to hang when initializing the PCIe bridge on the imx8mp-evk
machine.  This fix corrects the error.

Fixes: 6970f91ac7 ("hw/pci-host/designware: Use deposit/extract API")
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20250501183445.2389-3-shentey@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-05-06 15:02:35 +01:00
Bernhard Beschow
30f7e6b692 hw/pci-host/designware: Remove unused include
The DEFINE_TYPES() macro doesn't need the qemu/module.h include.

Fixes: 13a07eb146 ("hw/pci-host/designware: Declare CPU QOM types using DEFINE_TYPES() macro")
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20250501183445.2389-2-shentey@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-05-06 15:02:35 +01:00
Peter Maydell
d3a161cdd5 target/arm/kvm: Drop support for kernels without KVM_ARM_PREFERRED_TARGET
Our KVM code includes backwards compatibility support for ancient
kernels which don't support the KVM_ARM_PREFERRED_TARGET ioctl.  This
ioctl was introduced in kernel commit 42c4e0c77ac91 in September
2013 and is in v3.12, so it's reasonable to assume it's present.

(We already dropped support for kernels without KVM_CAP_DEVICE_CTRL,
a feature added to the kernel in April 2013, in our commit
84f298ea3e; so there are only about six months' worth of kernels,
from v3.9 to v3.11, that we don't already fail to run on and that
this commit is dropping handling for.)

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20250318114222.1018200-1-peter.maydell@linaro.org
2025-05-06 15:02:35 +01:00
Peter Maydell
82707dd4f0 docs: Don't define duplicate label in qemu-block-drivers.rst.inc
Sphinx requires that labels within documents are unique across the
whole manual.  This is because the "create a hyperlink" directive
specifies only the name of the label, not a filename+label.  Some
Sphinx versions will warn about duplicate labels, but even if there
is no warning there is still an ambiguity and no guarantee that the
hyperlink will be created to the right target.

For QEMU this is awkward, because we have various .rst.inc fragments
which we include into multiple .rst files.  If you define a label in
the .rst.inc file then it will be a duplicate label.  We have mostly
worked around this by not putting labels into those .rst.inc files,
or by adding "insert a label" functionality into the hxtool extension
(see commit 1eeb432a95 "doc/sphinx/hxtool.py: add optional label
argument to SRST directive").

Unfortunately in commit 7f6314427e ("docs/devel: add a codebase
section") we accidentally added a duplicate label, because not all
Sphinx versions warn about the mistake.

In this case the link was only from the developer docs codebase
summary, so as the simplest fix for the stable branch, we drop
the link entirely.

Cc: qemu-stable@nongnu.org
Fixes: 1eeb432a95 "doc/sphinx/hxtool.py: add optional label argument to SRST directive"
Reported-by: Dario Faggioli <dfaggioli@suse.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-id: 20250501093126.716667-1-peter.maydell@linaro.org
2025-05-06 15:02:34 +01:00
Peter Maydell
8ed7c0b648 target/arm: Don't assert() for ISB/SB inside IT block
If the guest code has an ISB or SB insn inside an IT block, we
generate incorrect code which trips a TCG assertion:

qemu-system-arm: ../tcg/tcg-op.c:3343: void tcg_gen_goto_tb(unsigned int): Assertion `(tcg_ctx->goto_tb_issue_mask & (1 << idx)) == 0' failed.

This is because we call gen_goto_tb(dc, 1, ...) twice:

 brcond_i32 ZF,$0x0,ne,$L1
 add_i32 pc,pc,$0x4
 goto_tb $0x1
 exit_tb $0x73d948001b81
 set_label $L1
 add_i32 pc,pc,$0x4
 goto_tb $0x1
 exit_tb $0x73d948001b81

Both calls are in arm_tr_tb_stop(), one for the
DISAS_NEXT/DISAS_TOO_MANY handling, and one for the dc->condjump
condition-failed codepath.  The DISAS_NEXT handling doesn't have this
problem because arm_post_translate_insn() does the handling of "emit
the label for the condition-failed conditional execution" and so
arm_tr_tb_stop() doesn't have dc->condjump set.  But for
DISAS_TOO_MANY we don't do that.

Fix the bug by making arm_post_translate_insn() handle the
DISAS_TOO_MANY case.  This only affects the SB and ISB insns when
used in Thumb mode inside an IT block: only these insns specifically
set is_jmp to TOO_MANY, and their A32 encodings are unconditional.

For the major TOO_MANY case (breaking the TB because it would cross a
page boundary) we do that check and set is_jmp to TOO_MANY only after
the call to arm_post_translate_insn(); so arm_post_translate_insn()
sees is_jmp == DISAS_NEXT, and  we emit the correct code for that
situation.

With this fix we generate the somewhat more sensible set of TCG ops:
 brcond_i32 ZF,$0x0,ne,$L1
 set_label $L1
 add_i32 pc,pc,$0x4
 goto_tb $0x1
 exit_tb $0x7c5434001b81

(NB: the TCG optimizer doesn't optimize out the jump-to-next, but
we can't really avoid emitting it because we don't know at the
point we're emitting the handling for the condexec check whether
this insn is going to happen to be a nop for us or not.)

Cc: qemu-stable@nongnu.org
Fixes: https://gitlab.com/qemu-project/qemu/-/issues/2942
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20250501125544.727038-1-peter.maydell@linaro.org
2025-05-06 15:02:34 +01:00
Tim Lee
d5df2bb0fa hw/arm: Attach PSPI module to NPCM8XX SoC
Nuvoton's PSPI is a general purpose SPI module which enables
connections to SPI-based peripheral devices. Attach it to the NPCM8XX.

Tested:
NPCM8XX PSPI driver probed successfully from dmesg log.

Signed-off-by: Tim Lee <timlee660101@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Hao Wu <wuhaotsh@google.com>
Reviewed-by: Tyrone Ting <kfting@nuvoton.com>
Message-id: 20250414020629.1867106-1-timlee660101@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-05-06 15:02:34 +01:00
Kohei Tokunaga
e6b9b79c30 gitlab: Enable CI for wasm build
Add GitLab CI job that builds QEMU using emscripten. The build runs in the
container defined in tests/docker/dockerfiles/emsdk-wasm32-cross.docker.

Signed-off-by: Kohei Tokunaga <ktokunaga.mail@gmail.com>
Link: https://lore.kernel.org/r/ade0deb2dc65618a91755590f6729485b4001b94.1745820062.git.ktokunaga.mail@gmail.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2025-05-06 16:02:04 +02:00
Kohei Tokunaga
8574be0ebc tests: Add Dockerfile containing dependencies for Emscripten build
The added Dockerfile is based on the emsdk image, which includes the
Emscripten toolchain. It also cross-compiles the necessary dependencies
(glib, libffi, pixman, and zlib) for the Emscripten target environment.

Signed-off-by: Kohei Tokunaga <ktokunaga.mail@gmail.com>
Link: https://lore.kernel.org/r/8bed6e9d46ef09328a87320928b5dec575d1e435.1745820062.git.ktokunaga.mail@gmail.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2025-05-06 16:02:04 +02:00
Kohei Tokunaga
ccc403ed58 meson: Add wasm build in build scripts
has_int128_type is set to false on emscripten as of now to avoid errors by
libffi. Tests are disabled on emscripten because they rely on host
features that aren't supported by emscripten (e.g. fork and unix
socket).

Signed-off-by: Kohei Tokunaga <ktokunaga.mail@gmail.com>
Link: https://lore.kernel.org/r/ad03b3b180335f59e785e930968077bf15c46260.1745820062.git.ktokunaga.mail@gmail.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2025-05-06 16:02:04 +02:00
Kohei Tokunaga
5b78d120ff util: Add coroutine backend for emscripten
Emscripten does not support couroutine methods currently used by QEMU but
provides a coroutine implementation called "fiber". This commit introduces a
coroutine backend using fiber. Note that fiber does not support submitting
coroutines to other threads.

Signed-off-by: Kohei Tokunaga <ktokunaga.mail@gmail.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Link: https://lore.kernel.org/r/006b683fd578ed6303a2dc8679094da9a7e6dfb4.1745820062.git.ktokunaga.mail@gmail.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2025-05-06 16:02:04 +02:00
Kohei Tokunaga
8e72b0eb18 util: exclude mmap-alloc.c from compilation target on Emscripten
Emscripten does not support partial unmapping of mmapped memory
regions[1]. This limitation prevents correct implementation of qemu_ram_mmap
and qemu_ram_munmap, which rely on partial unmap behavior.

As a workaround, this commit excludes mmap-alloc.c from the Emscripten
build. Instead, for Emscripten build, this modifies qemu_anon_ram_alloc to
use qemu_memalign in place of qemu_ram_mmap, and disable memory backends
that rely on mmap, such as memory-backend-file and memory-backend-shm.

[1] d4a74336f2/system/lib/libc/emscripten_mmap.c (L61)

Signed-off-by: Kohei Tokunaga <ktokunaga.mail@gmail.com>
Link: https://lore.kernel.org/r/76834f933ee4f14eeb5289d21c59d306886e58e9.1745820062.git.ktokunaga.mail@gmail.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2025-05-06 16:02:04 +02:00
Kohei Tokunaga
1a89644240 Disable options unsupported on Emscripten
Daemonizing and run-with aren't supported on Emscripten so disable these
flags.

Signed-off-by: Kohei Tokunaga <ktokunaga.mail@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Link: https://lore.kernel.org/r/79c5e591b634762703f3eef6427a192d145799e4.1745820062.git.ktokunaga.mail@gmail.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2025-05-06 16:02:04 +02:00
Kohei Tokunaga
0f46bf659f include/qemu/osdep.h: Add Emscripten-specific OS dependencies
On emscripten, some implementations in os-posix.c can't be used such as
daemonizing and changing user. This commit introduces os-wasm.c and
os-wasm.h which are forked from os-posix.c and os-posix.h and patched for
targetting Emscripten.

Signed-off-by: Kohei Tokunaga <ktokunaga.mail@gmail.com>
Link: https://lore.kernel.org/r/9fc7b106ecf86675b4532bd6778b7b5945442f89.1745820062.git.ktokunaga.mail@gmail.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2025-05-06 16:02:04 +02:00
Kohei Tokunaga
208808242f block: Fix type conflict of the copy_file_range stub
Emscripten doesn't provide copy_file_range implementation but it declares
this function in its headers. Meson correctly detects the missing
implementation and unsets HAVE_COPY_FILE_RANGE. However, the stub defined in
file-posix.c causes a type conflict with the declaration from Emscripten
during compilation.

To fix this error, this commit updates the stub implementation in
file-posix.c to exactly match the declaration in Emscripten's headers. The
manpage also aligns with this signature.

Signed-off-by: Kohei Tokunaga <ktokunaga.mail@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Link: https://lore.kernel.org/r/938d2beba15d4bd496a600ee401995fbaa385c62.1745820062.git.ktokunaga.mail@gmail.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2025-05-06 16:02:04 +02:00
Kohei Tokunaga
45e82e495d block: Add including of ioctl header for Emscripten build
Including <sys/ioctl.h> is still required on Emscripten, just like on other
platforms, to make the ioctl function available.

Signed-off-by: Kohei Tokunaga <ktokunaga.mail@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Link: https://lore.kernel.org/r/49b6ecdbd23ff83e3f191ef8a9f7cc2feeaea43f.1745820062.git.ktokunaga.mail@gmail.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2025-05-06 16:02:04 +02:00
Kohei Tokunaga
4c7c051719 util/cacheflush.c: Update cache flushing mechanism for Emscripten
Although __builtin___clear_cache is used to flush the instruction cache for
a specified memory region, this operation doesn't apply to wasm, as its
memory isn't executable. Moreover, Emscripten does not support this builtin
and fails to compile it with the following error.

> fatal error: error in backend: llvm.clear_cache is not supported on wasm

To resolve this, this commit removes the call to __builtin___clear_cache for
Emscripten build.

Signed-off-by: Kohei Tokunaga <ktokunaga.mail@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Link: https://lore.kernel.org/r/2926a798fa52a3a5b11c3df4edd1643d2b7cdcb9.1745820062.git.ktokunaga.mail@gmail.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2025-05-06 16:02:04 +02:00
Kohei Tokunaga
4cd5a25557 include/glib-compat.h: Poison g_list_sort and g_slist_sort
On Emscripten, function pointer casts can result in runtime failures due to
strict function signature checks. This affects the use of g_list_sort and
g_slist_sort, which internally perform function pointer casts that are not
supported by Emscripten. To avoid these issues, g_list_sort_with_data and
g_slist_sort_with_data should be used instead, as they do not rely on
function pointer casting.

Signed-off-by: Kohei Tokunaga <ktokunaga.mail@gmail.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Link: https://lore.kernel.org/r/fa57c8069d6c723f5b947560677f4ca596334330.1745820062.git.ktokunaga.mail@gmail.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2025-05-06 16:02:04 +02:00
Kohei Tokunaga
c4eb098bc1 target/s390x: Fix type conflict of GLib function pointers
On Emscripten, function pointer casts can result in runtime failures due to
strict function signature checks. This affects the use of g_list_sort and
g_slist_sort, which internally perform function pointer casts that are not
supported by Emscripten. To avoid these issues, g_list_sort_with_data and
g_slist_sort_with_data should be used instead, as they do not rely on
function pointer casting.

Signed-off-by: Kohei Tokunaga <ktokunaga.mail@gmail.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Link: https://lore.kernel.org/r/e91c4e266b839f62b5c41173a05896b210ae1180.1745820062.git.ktokunaga.mail@gmail.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2025-05-06 16:02:04 +02:00
Kohei Tokunaga
bea4eb18c5 target/ppc: Fix type conflict of GLib function pointers
On Emscripten, function pointer casts can result in runtime failures due to
strict function signature checks. This affects the use of g_list_sort and
g_slist_sort, which internally perform function pointer casts that are not
supported by Emscripten. To avoid these issues, g_list_sort_with_data and
g_slist_sort_with_data should be used instead, as they do not rely on
function pointer casting.

Signed-off-by: Kohei Tokunaga <ktokunaga.mail@gmail.com>
Link: https://lore.kernel.org/r/d917055d35f5ff7316ccdcbdf57af9a7bd85bf29.1745820062.git.ktokunaga.mail@gmail.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2025-05-06 16:02:04 +02:00
Kohei Tokunaga
84cb7025fa target/i386/cpu.c: Fix type conflict of GLib function pointers
On Emscripten, function pointer casts can result in runtime failures due to
strict function signature checks. This affects the use of g_list_sort and
g_slist_sort, which internally perform function pointer casts that are not
supported by Emscripten. To avoid these issues, g_list_sort_with_data and
g_slist_sort_with_data should be used instead, as they do not rely on
function pointer casting.

Signed-off-by: Kohei Tokunaga <ktokunaga.mail@gmail.com>
Link: https://lore.kernel.org/r/8ee6c2b02c97d5db358c3eb290d00afe71d1ceb7.1745820062.git.ktokunaga.mail@gmail.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2025-05-06 16:02:04 +02:00
Kohei Tokunaga
44d3ec593b target/arm/helper.c: Fix type conflict of GLib function pointers
On Emscripten, function pointer casts can result in runtime failures due to
strict function signature checks. This affects the use of g_list_sort and
g_slist_sort, which internally perform function pointer casts that are not
supported by Emscripten. To avoid these issues, g_list_sort_with_data and
g_slist_sort_with_data should be used instead, as they do not rely on
function pointer casting.

Signed-off-by: Kohei Tokunaga <ktokunaga.mail@gmail.com>
Link: https://lore.kernel.org/r/7d56c82382e8b4f1694b6d7883b2ce3084fdc72d.1745820062.git.ktokunaga.mail@gmail.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2025-05-06 16:02:04 +02:00
Paolo Bonzini
821ee1c314 docs: build-system: fix typo
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2025-05-06 16:02:04 +02:00
Paolo Bonzini
eb8f7292e1 ci: run RISC-V cross jobs by default
The riscv64-debian-cross container is based on Trixie rather than sid
these days, so it is pretty much as stable as the others.  Enable it
by default.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2025-05-06 16:02:04 +02:00
Paolo Bonzini
c6b04613bd rust: clippy: enable uninlined_format_args lint
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2025-05-06 16:02:04 +02:00
Paolo Bonzini
7abf0d95ac target/i386/emulate: fix target_ulong format strings
Do not assume that TARGET_FMT_lx is %llx.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2025-05-06 16:02:04 +02:00
Paolo Bonzini
1017041ff4 docs: rust: update for newer minimum supported version
Remove leftover notes for Rust changes between 1.63.0 and 1.77.0.

Reviewed-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2025-05-06 16:02:04 +02:00
Paolo Bonzini
f117857b39 rust: replace c_str! with c"" literals
Reviewed-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2025-05-06 16:02:04 +02:00
Paolo Bonzini
b134a09ffa rust: remove offset_of replacement
Reviewed-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2025-05-06 16:02:04 +02:00
Paolo Bonzini
5df3fe062f rust: enable clippy::ptr_cast_constness
Reviewed-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2025-05-06 16:02:04 +02:00