Merge tag 'pull-target-arm-20240126' of https://git.linaro.org/people/pmaydell/qemu-arm into staging

target-arm queue:
 * Fix VNCR fault detection logic
 * Fix A64 scalar SQSHRN and SQRSHRN
 * Fix incorrect aa64_tidcp1 feature check
 * hw/arm/virt.c: Remove newline from error_report() string
 * hw/arm/musicpal: Convert to qemu_add_kbd_event_handler()
 * hw/arm/allwinner-a10: Unconditionally map the USB Host controllers
 * hw/arm/nseries: Unconditionally map the TUSB6010 USB Host controller
 * hw/arm: Add EHCI/OHCI controllers to Allwinner R40 and Bananapi board
 * hw/arm: Add AHCI/SATA controller to Allwinner R40 and Bananapi board
 * hw/arm: Add watchdog timer to Allwinner H40 and Bananapi board
 * arm: various include header cleanups
 * cleanups to allow some files to be built only once
 * fsl-imx6ul: Add various missing unimplemented devices
 * docs/system/arm/virt.rst: Add note on CPU features off by default
 * hw/char/imx_serial: Implement receive FIFO and ageing timer
 * target/xtensa: fix OOB TLB entry access
 * bswap.h: Fix const_le64() macro
 * hw/arm: add PCIe to Freescale i.MX6

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# gpg:                 aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [ultimate]
# gpg:                 aka "Peter Maydell <peter@archaic.org.uk>" [ultimate]
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* tag 'pull-target-arm-20240126' of https://git.linaro.org/people/pmaydell/qemu-arm: (36 commits)
  hw/arm: add PCIe to Freescale i.MX6
  target/arm: Fix incorrect aa64_tidcp1 feature check
  bswap.h: Fix const_le64() macro
  target/arm: Fix A64 scalar SQSHRN and SQRSHRN
  hw/char/imx_serial: Implement receive FIFO and ageing timer
  docs/system/arm/virt.rst: Add note on CPU features off by default
  fsl-imx6ul: Add various missing unimplemented devices
  hw/arm: Build various units only once
  target/arm: Move GTimer definitions to new 'gtimer.h' header
  target/arm: Move e2h_access() helper around
  target/arm: Move ARM_CPU_IRQ/FIQ definitions to 'cpu-qom.h' header
  hw/arm/armv7m: Make 'hw/intc/armv7m_nvic.h' a target agnostic header
  target/arm: Expose M-profile register bank index definitions
  hw/misc/xlnx-versal-crl: Build it only once
  hw/misc/xlnx-versal-crl: Include generic 'cpu-qom.h' instead of 'cpu.h'
  hw/cpu/a9mpcore: Build it only once
  target/arm: Declare ARM_CPU_TYPE_NAME/SUFFIX in 'cpu-qom.h'
  target/arm: Expose arm_cpu_mp_affinity() in 'multiprocessing.h' header
  target/arm: Create arm_cpu_mp_affinity
  target/arm: Rename arm_cpu_mp_affinity
  ...

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

2 files changed, 16 insertions, 2 deletions

diff --git a/docs/system/arm/bananapi_m2u.rst b/docs/system/arm/bananapi_m2u.rst
index b09ba5c..587b488 100644
--- a/docs/system/arm/bananapi_m2u.rst
+++ b/docs/system/arm/bananapi_m2u.rst
@@ -22,7 +22,10 @@ The Banana Pi M2U machine supports the following devices:
  * EMAC ethernet
  * GMAC ethernet
  * Clock Control Unit
+ * SATA
  * TWI (I2C)
+ * USB 2.0
+ * Hardware Watchdog
 
 Limitations
 """""""""""
@@ -31,9 +34,7 @@ Currently, Banana Pi M2U does *not* support the following features:
 
 - Graphical output via HDMI, GPU and/or the Display Engine
 - Audio output
-- Hardware Watchdog
 - Real Time Clock
-- USB 2.0 interfaces
 
 Also see the 'unimplemented' array in the Allwinner R40 SoC module
 for a complete list of unimplemented I/O devices: ``./hw/arm/allwinner-r40.c``
diff --git a/docs/system/arm/virt.rst b/docs/system/arm/virt.rst
index c245c52..26fcba0 100644
--- a/docs/system/arm/virt.rst
+++ b/docs/system/arm/virt.rst
@@ -69,6 +69,19 @@ Supported guest CPU types:
 Note that the default is ``cortex-a15``, so for an AArch64 guest you must
 specify a CPU type.
 
+Also, please note that passing ``max`` CPU (i.e. ``-cpu max``) won't
+enable all the CPU features for a given ``virt`` machine. Where a CPU
+architectural feature requires support in both the CPU itself and in the
+wider system (e.g. the MTE feature), it may not be enabled by default,
+but instead requires a machine option to enable it.
+
+For example, MTE support must be enabled with ``-machine virt,mte=on``,
+as well as by selecting an MTE-capable CPU (e.g., ``max``) with the
+``-cpu`` option.
+
+See the machine-specific options below, or check them for a given machine
+by passing the ``help`` suboption, like: ``-machine virt-9.0,help``.
+
 Graphics output is available, but unlike the x86 PC machine types
 there is no default display device enabled: you should select one from
 the Display devices section of "-device help". The recommended option