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authorMarcel Apfelbaum <marcel.a@redhat.com>2014-12-16 16:58:06 +0000
committerPeter Maydell <peter.maydell@linaro.org>2014-12-22 23:12:27 +0000
commit52eb3dfd7d6585f0049a6d41ddb81ef8d4496146 (patch)
treeda932334a711bff854132beb937aeab4285ae6cd /vl.c
parent2e16898a61a25cb76dd48f6e74f3b7a500d0c91a (diff)
vl.c: add HMP help to machine
The help is based on the actual machine properties exposing only the relevant options. Signed-off-by: Marcel Apfelbaum <marcel.a@redhat.com> Reviewed-by: Alexander Graf <agraf@suse.de> Reviewed-by: Greg Bellows <greg.bellows@linaro.org> Message-id: 1418217570-15517-4-git-send-email-marcel.a@redhat.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'vl.c')
-rw-r--r--vl.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/vl.c b/vl.c
index fa7a02c8ef..bea9656232 100644
--- a/vl.c
+++ b/vl.c
@@ -1423,6 +1423,31 @@ MachineInfoList *qmp_query_machines(Error **errp)
return mach_list;
}
+static int machine_help_func(QemuOpts *opts, MachineState *machine)
+{
+ ObjectProperty *prop;
+
+ if (!qemu_opt_has_help_opt(opts)) {
+ return 0;
+ }
+
+ QTAILQ_FOREACH(prop, &OBJECT(machine)->properties, node) {
+ if (!prop->set) {
+ continue;
+ }
+
+ error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
+ prop->name, prop->type);
+ if (prop->description) {
+ error_printf(" (%s)\n", prop->description);
+ } else {
+ error_printf("\n");
+ }
+ }
+
+ return 1;
+}
+
/***********************************************************/
/* main execution loop */
@@ -3758,6 +3783,9 @@ int main(int argc, char **argv, char **envp)
current_machine = MACHINE(object_new(object_class_get_name(
OBJECT_CLASS(machine_class))));
+ if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
+ exit(0);
+ }
object_property_add_child(object_get_root(), "machine",
OBJECT(current_machine), &error_abort);
cpu_exec_init_all();