qemu/target/s390x/kvm/meson.build
Philippe Mathieu-Daudé f5f9c6ea11 hw/s390x: Move KVM specific PV from hw/ to target/s390x/kvm/
Protected Virtualization (PV) is not a real hardware device:
it is a feature of the firmware on s390x that is exposed to
userspace via the KVM interface.

Move the pv.c/pv.h files to target/s390x/kvm/ to make this clearer.

Suggested-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230624200644.23931-1-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-07-10 15:34:23 +02:00

21 lines
682 B
Meson

s390x_ss.add(when: 'CONFIG_KVM', if_true: files(
'pv.c',
'kvm.c'
), if_false: files(
'stubs.c'
))
# Newer kernels on s390 check for an S390_PGSTE program header and
# enable the pgste page table extensions in that case. This makes
# the vm.allocate_pgste sysctl unnecessary. We enable this program
# header if
# - we build on s390x
# - we build the system emulation for s390x (qemu-system-s390x)
# - KVM is enabled
# - the linker supports --s390-pgste
if host_machine.cpu_family() == 's390x' and cc.has_link_argument('-Wl,--s390-pgste')
s390x_system_ss.add(when: 'CONFIG_KVM',
if_true: declare_dependency(link_args: ['-Wl,--s390-pgste']))
endif