[PATCH v2 0/7] Xen guest loader (to boot Xen+Kernel under TCG)

[Alex Bennée <alex.bennee@xxxxxxxxxx>]

Hi,

These patches have been sitting around as part of a larger series to
improve the support of Xen on AArch64. The second part of the work is
currently awaiting other re-factoring and build work to go in to make
the building of a pure-Xen capable QEMU easier. As that might take
some time and these patches are essentially ready I thought I'd best
push for merging them.

There are no fundamental changes since the last revision. I've
addressed most of the comments although I haven't expanded the use of
the global *fdt to other device models. I figured that work could be
done as and when models have support for type-1 hypervisors.

I have added some documentation to describe the feature and added an
acceptance tests which checks the various versions of Xen can boot.
The only minor wrinkle is using a custom compiled Linux kernel due to
missing support in the distro kernels. If anyone can suggest a distro
which is currently well supported for Xen on AArch64 I can update the
test.

The following patches still need review:

 - tests/avocado: add boot_xen tests
 - docs: add some documentation for the guest-loader
 - docs: move generic-loader documentation into the main manual
 - hw/core: implement a guest-loader to support static hypervisor guests

Alex Bennée (7):
  hw/board: promote fdt from ARM VirtMachineState to MachineState
  hw/riscv: migrate fdt field to generic MachineState
  device_tree: add qemu_fdt_setprop_string_array helper
  hw/core: implement a guest-loader to support static hypervisor guests
  docs: move generic-loader documentation into the main manual
  docs: add some documentation for the guest-loader
  tests/avocado: add boot_xen tests

 docs/generic-loader.txt        |  92 ---------
 docs/system/generic-loader.rst | 117 +++++++++++
 docs/system/guest-loader.rst   |  54 +++++
 docs/system/index.rst          |   2 +
 hw/core/guest-loader.h         |  34 ++++
 include/hw/arm/virt.h          |   1 -
 include/hw/boards.h            |   1 +
 include/hw/riscv/virt.h        |   1 -
 include/sysemu/device_tree.h   |  17 ++
 hw/arm/virt.c                  | 356 +++++++++++++++++----------------
 hw/core/guest-loader.c         | 145 ++++++++++++++
 hw/riscv/virt.c                |  20 +-
 softmmu/device_tree.c          |  26 +++
 MAINTAINERS                    |   9 +-
 hw/core/meson.build            |   2 +
 tests/acceptance/boot_xen.py   | 117 +++++++++++
 16 files changed, 718 insertions(+), 276 deletions(-)
 delete mode 100644 docs/generic-loader.txt
 create mode 100644 docs/system/generic-loader.rst
 create mode 100644 docs/system/guest-loader.rst
 create mode 100644 hw/core/guest-loader.h
 create mode 100644 hw/core/guest-loader.c
 create mode 100644 tests/acceptance/boot_xen.py

-- 
2.20.1