From 52eb3dfd7d6585f0049a6d41ddb81ef8d4496146 Mon Sep 17 00:00:00 2001 From: Marcel Apfelbaum Date: Tue, 16 Dec 2014 16:58:06 +0000 Subject: 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 Reviewed-by: Alexander Graf Reviewed-by: Greg Bellows Message-id: 1418217570-15517-4-git-send-email-marcel.a@redhat.com Signed-off-by: Peter Maydell --- vl.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) 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(); -- cgit v1.2.1