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vl.c: add HMP help to machine

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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>
This commit is contained in:
Marcel Apfelbaum 2014-12-16 16:58:06 +00:00 committed by Peter Maydell
parent 2e16898a61
commit 52eb3dfd7d
1 changed files with 28 additions and 0 deletions
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28
vl.c
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@ -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();