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>
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vl.c
28
vl.c
@ -1423,6 +1423,31 @@ MachineInfoList *qmp_query_machines(Error **errp)
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return mach_list;
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}
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static int machine_help_func(QemuOpts *opts, MachineState *machine)
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{
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ObjectProperty *prop;
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if (!qemu_opt_has_help_opt(opts)) {
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return 0;
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}
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QTAILQ_FOREACH(prop, &OBJECT(machine)->properties, node) {
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if (!prop->set) {
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continue;
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}
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error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
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prop->name, prop->type);
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if (prop->description) {
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error_printf(" (%s)\n", prop->description);
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} else {
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error_printf("\n");
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}
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}
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return 1;
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}
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/***********************************************************/
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/* main execution loop */
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@ -3758,6 +3783,9 @@ int main(int argc, char **argv, char **envp)
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current_machine = MACHINE(object_new(object_class_get_name(
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OBJECT_CLASS(machine_class))));
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if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
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exit(0);
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}
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object_property_add_child(object_get_root(), "machine",
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OBJECT(current_machine), &error_abort);
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cpu_exec_init_all();
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