Merge remote-tracking branch 'remotes/armbru/tags/pull-qapi-2019-02-18' into staging

QAPI patches for 2019-02-18

# gpg: Signature made Mon 18 Feb 2019 13:44:30 GMT
# gpg:                using RSA key 3870B400EB918653
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [full]
# gpg:                 aka "Markus Armbruster <armbru@pond.sub.org>" [full]
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867  4E5F 3870 B400 EB91 8653

* remotes/armbru/tags/pull-qapi-2019-02-18:
  qapi: move RTC_CHANGE to the target schema
  qmp: Deprecate query-events in favor of query-qmp-schema
  Revert "qapi-events: add 'if' condition to implicit event enum"
  qapi: remove qmp_unregister_command()
  qapi: make query-cpu-definitions depend on specific targets
  qapi: make query-cpu-model-expansion depend on s390 or x86
  qapi: make query-gic-capabilities depend on TARGET_ARM
  target.json: add a note about query-cpu* not being s390x-specific
  qapi: make s390 commands depend on TARGET_S390X
  qapi: make rtc-reset-reinjection and SEV depend on TARGET_I386
  qapi: New module target.json
  build: Deal with all of QAPI's .o in qapi/Makefile.objs
  build-sys: move qmp-introspect per target
  qapi: Generate QAPIEvent stuff into separate files
  qapi: Prepare for system modules other than 'builtin'
  qapi: Clean up modular built-in code generation a bit
  qapi: Fix up documentation for recent commit a95291007b2
  qapi: Belatedly document modular code generation

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

1 files changed, 25 insertions, 13 deletions

diff --git a/scripts/qapi/events.py b/scripts/qapi/events.py
index d86a2d2b3e..2067660be4 100644
--- a/scripts/qapi/events.py
+++ b/scripts/qapi/events.py
@@ -142,13 +142,15 @@ class QAPISchemaGenEventVisitor(QAPISchemaModularCVisitor):
         self._event_enum_members = []
         self._event_emit_name = c_name(prefix + 'qapi_event_emit')
 
-    def _begin_module(self, name):
+    def _begin_user_module(self, name):
+        events = self._module_basename('qapi-events', name)
         types = self._module_basename('qapi-types', name)
         visit = self._module_basename('qapi-visit', name)
         self._genc.add(mcgen('''
 #include "qemu/osdep.h"
 #include "qemu-common.h"
-#include "%(prefix)sqapi-events.h"
+#include "%(prefix)sqapi-emit-events.h"
+#include "%(events)s.h"
 #include "%(visit)s.h"
 #include "qapi/error.h"
 #include "qapi/qmp/qdict.h"
@@ -156,26 +158,34 @@ class QAPISchemaGenEventVisitor(QAPISchemaModularCVisitor):
 #include "qapi/qmp-event.h"
 
 ''',
-                             visit=visit, prefix=self._prefix))
+                             events=events, visit=visit,
+                             prefix=self._prefix))
         self._genh.add(mcgen('''
 #include "qapi/util.h"
 #include "%(types)s.h"
-
 ''',
                              types=types))
 
     def visit_end(self):
-        (genc, genh) = self._module[self._main_module]
-        genh.add(gen_enum(self._event_enum_name,
-                          self._event_enum_members))
-        genc.add(gen_enum_lookup(self._event_enum_name,
-                                 self._event_enum_members))
-        genh.add(mcgen('''
+        self._add_system_module('emit', ' * QAPI Events emission')
+        self._genc.preamble_add(mcgen('''
+#include "qemu/osdep.h"
+#include "%(prefix)sqapi-emit-events.h"
+''',
+                                      prefix=self._prefix))
+        self._genh.preamble_add(mcgen('''
+#include "qapi/util.h"
+'''))
+        self._genh.add(gen_enum(self._event_enum_name,
+                                self._event_enum_members))
+        self._genc.add(gen_enum_lookup(self._event_enum_name,
+                                       self._event_enum_members))
+        self._genh.add(mcgen('''
 
 void %(event_emit)s(%(event_enum)s event, QDict *qdict);
 ''',
-                       event_emit=self._event_emit_name,
-                       event_enum=self._event_enum_name))
+                             event_emit=self._event_emit_name,
+                             event_enum=self._event_enum_name))
 
     def visit_event(self, name, info, ifcond, arg_type, boxed):
         with ifcontext(ifcond, self._genh, self._genc):
@@ -183,7 +193,9 @@ void %(event_emit)s(%(event_enum)s event, QDict *qdict);
             self._genc.add(gen_event_send(name, arg_type, boxed,
                                           self._event_enum_name,
                                           self._event_emit_name))
-        self._event_enum_members.append(QAPISchemaMember(name, ifcond))
+        # Note: we generate the enum member regardless of @ifcond, to
+        # keep the enumeration usable in target-independent code.
+        self._event_enum_members.append(QAPISchemaMember(name))
 
 
 def gen_events(schema, output_dir, prefix):