Merge remote-tracking branch 'remotes/bonzini-gitlab/tags/for-upstream' into staging

New build system, with "fake in-tree builds" support.

Missing:
* converting configure tests
* converting unit tests
* converting some remaining parts of the installation

# gpg: Signature made Fri 21 Aug 2020 11:33:35 BST
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* remotes/bonzini-gitlab/tags/for-upstream: (152 commits)
  docs: convert build system documentation to rST
  meson: update build-system documentation
  meson: avoid unstable module warning with Meson 0.56.0 or newer
  meson: convert po/
  meson: convert VNC and dependent libraries to meson
  meson: move SDL and SDL-image detection to meson
  meson: convert sample plugins
  meson: replace create-config with meson configure_file
  rules.mak: drop unneeded macros
  meson: convert check-block
  meson: build texi doc
  docs: automatically track manual dependencies
  meson: sphinx-build
  remove Makefile.target
  rules.mak: remove version.o
  meson: convert systemtap files
  configure: place compatibility symlinks in target directories
  meson: link emulators without Makefile.target
  meson: plugins
  meson: cpu-emu
  ...

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

1 files changed, 62 insertions, 0 deletions

diff --git a/target/s390x/meson.build b/target/s390x/meson.build
new file mode 100644
index 0000000000..d2a3315903
--- /dev/null
+++ b/target/s390x/meson.build
@@ -0,0 +1,62 @@
+s390x_ss = ss.source_set()
+s390x_ss.add(files(
+  'cpu.c',
+  'cpu_features.c',
+  'cpu_models.c',
+  'gdbstub.c',
+  'helper.c',
+  'interrupt.c',
+))
+
+s390x_ss.add(when: 'CONFIG_TCG', if_true: files(
+  'cc_helper.c',
+  'crypto_helper.c',
+  'excp_helper.c',
+  'fpu_helper.c',
+  'int_helper.c',
+  'mem_helper.c',
+  'misc_helper.c',
+  'translate.c',
+  'vec_fpu_helper.c',
+  'vec_helper.c',
+  'vec_int_helper.c',
+  'vec_string_helper.c',
+), if_false: 'tcg-stub.c')
+
+s390x_ss.add(when: 'CONFIG_KVM', if_true: files('kvm.c'), if_false: files('kvm-stub.c'))
+
+gen_features = executable('gen-features', 'gen-features.c', native: true,
+                          build_by_default: false)
+
+gen_features_h = custom_target('gen-features.h',
+                               output: 'gen-features.h',
+                               capture: true,
+                               command: gen_features)
+
+s390x_ss.add(gen_features_h)
+
+s390x_softmmu_ss = ss.source_set()
+s390x_softmmu_ss.add(files(
+  'arch_dump.c',
+  'diag.c',
+  'ioinst.c',
+  'machine.c',
+  'mmu_helper.c',
+  'sigp.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_softmmu_ss.add(when: 'CONFIG_KVM',
+                       if_true: declare_dependency(link_args: ['-Wl,--s390-pgste']))
+endif
+
+target_arch += {'s390x': s390x_ss}
+target_softmmu_arch += {'s390x': s390x_softmmu_ss}