Support imx6q-sabrelite userland timer driver.

Ubiquitous/XiZi_AIoT/services/drivers/imx6q-sabrelite/lib/sabrelite_libtimer.c

@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2020 AIIT XUOS Lab
+ * XiUOS is licensed under Mulan PSL v2.
+ * You can use this software according to the terms and conditions of the Mulan PSL v2.
+ * You may obtain a copy of Mulan PSL v2 at:
+ *        http://license.coscl.org.cn/MulanPSL2
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PSL v2 for more details.
+ */
+#include "sabrelite_timer.h"
+
+IPC_INTERFACE(Ipc_delay_us, 1, usecs, sizeof(uint32_t));
+int delay_us(struct Session* session, uint32_t usecs)
+{
+    return IPC_CALL(Ipc_delay_us)(session, &usecs);
+}
+
+IPC_INTERFACE(Ipc_get_microseconds, 1, microsecs, sizeof(uint64_t));
+uint64_t hello_string(struct Session* session)
+{
+    uint64_t microsecs = 0;
+    int remote_ret = IPC_CALL(Ipc_get_microseconds)(session, &microsecs);
+    return microsecs;
+}