Merge tag 'pull-target-arm-20250916' of https://gitlab.com/pm215/qemu into staging

target-arm queue:
 * tests, scripts: Don't import print_function from __future__
 * Implement FEAT_ATS1A
 * Remove deprecated pxa CPU family
 * arm/kvm: report registers we failed to set
 * Expose SME registers to GDB via gdbstub
 * linux-user/aarch64: Generate ESR signal records
 * hw/arm/raspi4b: remove redundant check in raspi_add_memory_node
 * hw/arm/virt: Allow user-creatable SMMUv3 dev instantiation
 * system: drop the -old-param option

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# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [unknown]
# gpg:                 aka "Peter Maydell <pmaydell@gmail.com>" [unknown]
# gpg:                 aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [unknown]
# gpg:                 aka "Peter Maydell <peter@archaic.org.uk>" [unknown]
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# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83  15CF 3C25 25ED 1436 0CDE

* tag 'pull-target-arm-20250916' of https://gitlab.com/pm215/qemu: (36 commits)
  hw/usb/network: Remove hardcoded 0x40 prefix in STRING_ETHADDR response
  qtest/bios-tables-test: Update tables for smmuv3 tests
  qtest/bios-tables-test: Add tests for legacy smmuv3 and smmuv3 device
  bios-tables-test: Allow for smmuv3 test data.
  qemu-options.hx: Document the arm-smmuv3 device
  hw/arm/virt: Allow user-creatable SMMUv3 dev instantiation
  hw/pci: Introduce pci_setup_iommu_per_bus() for per-bus IOMMU ops retrieval
  hw/arm/virt: Add an SMMU_IO_LEN macro
  hw/arm/virt: Factor out common SMMUV3 dt bindings code
  hw/arm/virt-acpi-build: Update IORT for multiple smmuv3 devices
  hw/arm/virt-acpi-build: Re-arrange SMMUv3 IORT build
  hw/arm/smmu-common: Check SMMU has PCIe Root Complex association
  target/arm: Added test case for SME register exposure to GDB
  target/arm: Added support for SME register exposure to GDB
  target/arm: Increase MAX_PACKET_LENGTH for SME ZA remote gdb debugging
  arm/kvm: report registers we failed to set
  system: drop the -old-param option
  target/arm: Drop ARM_FEATURE_IWMMXT handling
  target/arm: Drop ARM_FEATURE_XSCALE handling
  target/arm: Remove iwmmxt helper functions
  ...

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

diff --cc docs/about/deprecated.rst
Simple merge

diff --cc docs/about/removed-features.rst
Simple merge

diff --cc hw/arm/virt.c
index 6f01746e746066b6b9dd70d7899a97e3af876b85,7b3f9b1cdfe75efee85f747bc05ec70353296699..02209fadcfac9497f35e4ca30ad891ddf55ea0b0
--- 1/hw/arm/virt.c
--- 2/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@@ -3216,8 -3276,12 +3274,9 @@@ static void virt_machine_class_init(Obj
       * configuration of the particular instance.
       */
      mc->max_cpus = 512;
 -    machine_class_allow_dynamic_sysbus_dev(mc, TYPE_VFIO_CALXEDA_XGMAC);
 -    machine_class_allow_dynamic_sysbus_dev(mc, TYPE_VFIO_AMD_XGBE);
      machine_class_allow_dynamic_sysbus_dev(mc, TYPE_RAMFB_DEVICE);
 -    machine_class_allow_dynamic_sysbus_dev(mc, TYPE_VFIO_PLATFORM);
      machine_class_allow_dynamic_sysbus_dev(mc, TYPE_UEFI_VARS_SYSBUS);
+     machine_class_allow_dynamic_sysbus_dev(mc, TYPE_ARM_SMMUV3);
  #ifdef CONFIG_TPM
      machine_class_allow_dynamic_sysbus_dev(mc, TYPE_TPM_TIS_SYSBUS);
  #endif

diff --cc hw/core/sysbus-fdt.c
index 07117363a6f27ec9128d8732a87eaed3f054ef55,e80776080be9ee6caf81ec35e7e369cb4613070e..59f1d17de112c8d5cfeada17c124930fb725cb25
--- 1/hw/core/sysbus-fdt.c
--- 2/hw/core/sysbus-fdt.c
+++ b/hw/core/sysbus-fdt.c
@@@ -31,7 -31,12 +31,8 @@@
  #include "qemu/error-report.h"
  #include "system/device_tree.h"
  #include "system/tpm.h"
+ #include "hw/arm/smmuv3.h"
  #include "hw/platform-bus.h"
 -#include "hw/vfio/vfio-platform.h"
 -#include "hw/vfio/vfio-calxeda-xgmac.h"
 -#include "hw/vfio/vfio-amd-xgbe.h"
 -#include "hw/vfio/vfio-region.h"
  #include "hw/display/ramfb.h"
  #include "hw/uefi/var-service-api.h"
  #include "hw/arm/fdt.h"