Merge tag 'pull-target-arm-20250225' of https://git.linaro.org/people/pmaydell/qemu-arm into staging

target-arm queue:
* hw/arm/smmuv3: Fill u.f_cd_fetch.addr for SMMU_EVT_F_CD_FETCH
* hw/arm/virt

Merge tag 'pull-target-arm-20250225' of https://git.linaro.org/people/pmaydell/qemu-arm into staging

target-arm queue:
* hw/arm/smmuv3: Fill u.f_cd_fetch.addr for SMMU_EVT_F_CD_FETCH
* hw/arm/virt: Support larger highmem MMIO regions
* machine: Centralize -machine dumpdtb option handling and report
attempt to dump nonexistent DTB as an error
* fpu: remove target ifdefs and build it only once
* target/arm: Refactor to move TCG-only vfp_helper code into tcg/
* target/arm/hvf: Disable SME feature
* target/arm/hvf: sign extend the data for a load operation when SSE=1
* hw/misc/npcm_clk: fix buffer-overflow
* hw/arm: Add i.MX 8M Plus EVK board ("imx8mp-evk")

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# gpg: using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
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# 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-20250225' of https://git.linaro.org/people/pmaydell/qemu-arm: (43 commits)
hw/arm/fsl-imx8mp: Add on-chip RAM
hw/arm/fsl-imx8mp: Add USB support
hw/arm/fsl-imx8mp: Add Ethernet controller
hw/arm/fsl-imx8mp: Implement general purpose timers
hw/arm/fsl-imx8mp: Add watchdog support
hw/arm/fsl-imx8mp: Add SPI controllers
hw/arm/fsl-imx8mp: Add I2C controllers
hw/arm/fsl-imx8mp: Add GPIO controllers
hw/arm/fsl-imx8mp: Add PCIe support
hw/arm/fsl-imx8mp: Add USDHC storage controllers
hw/arm/fsl-imx8mp: Add SNVS
hw/arm/fsl-imx8mp: Implement clock tree
hw/arm: Add i.MX 8M Plus EVK board
hw/gpio/pca955*: Move Kconfig switches next to implementations
hw/pci-host/designware: Prevent device attachment on internal PCIe root bus
hw/usb/hcd-dwc3: Align global registers size with Linux
hw/misc/npcm_clk: fix buffer-overflow
target/arm/hvf: sign extend the data for a load operation when SSE=1
target/arm/hvf: Disable SME feature
target/arm: Rename vfp_helper.c to vfp_fpscr.c
...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

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hw/core/machine.c: Make -machine dumpdtb=file.dtb with no DTB an error

Currently if the user requests via -machine dumpdtb=file.dtb that we
dump the DTB, but the machine doesn't have a DTB, we silen

hw/core/machine.c: Make -machine dumpdtb=file.dtb with no DTB an error

Currently if the user requests via -machine dumpdtb=file.dtb that we
dump the DTB, but the machine doesn't have a DTB, we silently ignore
the option. This is confusing to users, and is a legacy of the old
board-specific implementation of the option, where if the execution
codepath didn't go via a call to qemu_fdt_dumpdtb() we would never
handle the option.

Now we handle the option in one place in machine.c, we can provide
the user with a useful message if they asked us to dump a DTB when
none exists. qmp_dumpdtb() already produces this error; remove the
logic in handle_machine_dumpdtb() that was there specifically to
avoid hitting it.

While we're here, beef up the error message a bit with a hint, and
make it consistent about "an FDT" rather than "a FDT". (In the
qmp_dumpdtb() case this needs an ERRP_GUARD to make
error_append_hint() work when the caller passes error_fatal.)

Note that the three places where we might report "doesn't have an
FDT" are hit in different situations:

(1) in handle_machine_dumpdtb(), if CONFIG_FDT is not set: this is
because the QEMU binary was built without libfdt at all. The
build system will not let you build with a machine type that
needs an FDT but no libfdt, so here we know both that the machine
doesn't use FDT and that QEMU doesn't have the support:

(2) in the device_tree-stub.c qmp_dumpdtb(): this is used when
we had libfdt at build time but the target architecture didn't
enable any machines which did "select DEVICE_TREE", so here we
know that the machine doesn't use FDT.

(3) in qmp_dumpdtb(), if current_machine->fdt is NULL all we know
is that this machine never set it. That might be because it doesn't
use FDT, or it might be because the user didn't pass an FDT
on the command line and the machine doesn't autogenerate an FDT.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2733
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20250206151214.2947842-7-peter.maydell@linaro.org

show more ...

Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* target/i386: miscellaneous changes, mostly TCG-related
* fix --without-default-devices build
* fix --without-default-device

Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* target/i386: miscellaneous changes, mostly TCG-related
* fix --without-default-devices build
* fix --without-default-devices qtests on s390x and arm

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# gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" [full]

* tag 'for-upstream' of https://gitlab.com/bonzini/qemu: (27 commits)
configs: disable emulators that require it if libfdt is not found
hw/xtensa: require libfdt
kconfig: express dependency of individual boards on libfdt
kconfig: allow compiling out QEMU device tree code per target
meson: move libfdt together with other dependencies
meson: pick libfdt from common_ss when building target-specific files
tests/qtest: arm: fix operation in a build without any boards or devices
i386: select correct components for no-board build
hw/i386: move rtc-reset-reinjection command out of hw/rtc
hw/i386: split x86.c in multiple parts
i386: pc: remove unnecessary MachineClass overrides
i386: correctly select code in hw/i386 that depends on other components
xen: register legacy backends via xen_backend_init
xen: initialize legacy backends from xen_bus_init()
tests/qtest: s390x: fix operation in a build without any boards or devices
s390x: select correct components for no-board build
s390: move css_migration_enabled from machine to css.c
s390_flic: add migration-enabled property
s390x: move s390_cpu_addr2state to target/s390x/sigp.c
sh4: select correct components for no-board build
...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

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kconfig: allow compiling out QEMU device tree code per target

Introduce a new Kconfig symbol, CONFIG_DEVICE_TREE, that specifies whether
to include the common device tree code in system/device_tree.

kconfig: allow compiling out QEMU device tree code per target

Introduce a new Kconfig symbol, CONFIG_DEVICE_TREE, that specifies whether
to include the common device tree code in system/device_tree.c and to
link to libfdt. For now, include it unconditionally if libfdt is
available.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

show more ...