Import Mbed OS hard-float snapshot

platform/source/mbed_thread.cpp

@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2019, ARM Limited, All Rights Reserved
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * 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
+ *
+ * http://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 "platform/mbed_thread.h"
+#include "platform/mbed_critical.h"
+#include "platform/source/mbed_os_timer.h"
+
+/* If the RTOS is present, we call the RTOS API to do the work */
+/* If the RTOS is not present, the RTOS API calls us to do the work */
+#if MBED_CONF_RTOS_PRESENT
+#include "rtos/Kernel.h"
+#include "rtos/ThisThread.h"
+#endif
+
+using namespace std::chrono;
+
+extern "C" {
+
+    uint64_t get_ms_count(void)
+    {
+#if MBED_CONF_RTOS_PRESENT
+        rtos::Kernel::Clock::time_point tp = rtos::Kernel::Clock::now();
+#else
+        mbed::internal::OsClock::time_point tp = mbed::internal::OsClock::now();
+#endif
+        return duration<uint64_t, std::milli>(tp.time_since_epoch()).count();
+    }
+
+    void thread_sleep_for(uint32_t millisec)
+    {
+        auto d = duration<uint32_t, std::milli>(millisec);
+#if MBED_CONF_RTOS_PRESENT
+        rtos::ThisThread::sleep_for(d);
+#else
+        // Undocumented, but osDelay(UINT32_MAX) does actually sleep forever
+        mbed::internal::do_timed_sleep_relative_or_forever(d);
+#endif
+    }
+
+    void thread_sleep_until(uint64_t millisec)
+    {
+        auto d = duration<uint64_t, std::milli>(millisec);
+#if MBED_CONF_RTOS_PRESENT
+        rtos::ThisThread::sleep_until(rtos::Kernel::Clock::time_point(d));
+#else
+        mbed::internal::do_timed_sleep_absolute(mbed::internal::OsClock::time_point(d));
+#endif
+    }
+
+}