| /* |
| * Copyright 2018 The Hafnium Authors. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * https://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "hf/arch/std.h" |
| |
| #include "vmapi/hf/call.h" |
| |
| #include "hftest.h" |
| |
| TEST_SERVICE(echo) |
| { |
| /* Loop, echo messages back to the sender. */ |
| for (;;) { |
| struct hf_mailbox_receive_return res = hf_mailbox_receive(true); |
| memcpy(SERVICE_SEND_BUFFER(), SERVICE_RECV_BUFFER(), res.size); |
| hf_mailbox_clear(); |
| hf_mailbox_send(res.vm_id, res.size, false); |
| } |
| } |