Sort the Xen buildsys glue a bit.

The first patches are probably ready now.

Since v2:
- Addressed some of Paolo's comments
- More fixes
- XEN_PV still not buildable alone -> postponed

v2: Considered Paolo's comments from v1

Philippe Mathieu-Daudé (7):
  meson: Do not build Xen x86_64-softmmu on Aarch64
  hw/xen: Relax dependency on FSDEV_9P
  accel/xen: Incorporate xen-mapcache.c
  hw/i386/xen: Introduce XEN_FV Kconfig
  hw/xen: Make xen_shutdown_fatal_error() available out of X86 HVM
  hw/xen: Make qmp_xen_set_global_dirty_log() available out of X86 HVM
  NOTFORMERGE hw/xen/Kconfig: Introduce XEN_PV config

 meson.build                           |  8 ++++++--
 accel/xen/trace.h                     |  1 +
 {hw/i386 => accel}/xen/xen-mapcache.c |  0
 hw/i386/xen/xen-hvm.c                 | 24 ------------------------
 hw/xen/xen-legacy-backend.c           |  3 ++-
 hw/xen/xen-migration.c                | 22 ++++++++++++++++++++++
 hw/xen/xen-utils.c                    | 25 +++++++++++++++++++++++++
 accel/Kconfig                         |  2 +-
 accel/xen/meson.build                 |  5 ++++-
 accel/xen/trace-events                | 10 ++++++++++
 hw/Kconfig                            |  1 +
 hw/i386/Kconfig                       |  2 ++
 hw/i386/xen/Kconfig                   |  5 +++++
 hw/i386/xen/meson.build               |  3 +--
 hw/i386/xen/trace-events              |  6 ------
 hw/xen/Kconfig                        |  7 +++++++
 hw/xen/meson.build                    |  4 +++-
 17 files changed, 90 insertions(+), 38 deletions(-)
 create mode 100644 accel/xen/trace.h
 rename {hw/i386 => accel}/xen/xen-mapcache.c (100%)
 create mode 100644 hw/xen/xen-migration.c
 create mode 100644 hw/xen/xen-utils.c
 create mode 100644 accel/xen/trace-events
 create mode 100644 hw/i386/xen/Kconfig
 create mode 100644 hw/xen/Kconfig

-- 
2.26.2