Description: liteos-m refactoring

Reviewed-by: liulei, shenwei Change-Id: I7baba352c02b78aefc81fc5eca000d840d3b2fe3
2020-11-11 20:04:39 +08:00
parent cd95966e18
commit 07d25a8ae8
253 changed files with 111783 additions and 1732 deletions
--- a/kernel/src/los_tick.c
+++ b/kernel/src/los_tick.c
@@ -0,0 +1,117 @@
+/*
+ * Copyright (c) 2013-2019, Huawei Technologies Co., Ltd. All rights reserved.
+ * Copyright (c) 2020, Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "los_tick_pri.h"
+#include "los_base_pri.h"
+#include "los_swtmr_pri.h"
+#include "los_task_pri.h"
+#include "los_timeslice_pri.h"
+#if (LOSCFG_KERNEL_TICKLESS == YES)
+#include "los_tickless_pri.h"
+#endif
+
+#ifdef __cplusplus
+#if __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+LITE_OS_SEC_BSS UINT64 g_ullTickCount;
+LITE_OS_SEC_BSS UINT32 g_ticksPerSec;
+LITE_OS_SEC_BSS UINT32 g_uwCyclePerSec;
+LITE_OS_SEC_BSS UINT32 g_cyclesPerTick;
+LITE_OS_SEC_BSS UINT32 g_sysClock;
+
+#if (LOSCFG_BASE_CORE_TICK_HW_TIME == YES)
+extern VOID platform_tick_handler(VOID);
+#endif
+
+#if (LOSCFG_KERNEL_TICKLESS == YES)
+LITE_OS_SEC_TEXT VOID OsTickHandlerLoop(UINT32 elapseTicks)
+{
+    UINT32 index;
+
+    for (index = 0; index < elapseTicks; index++) {
+#if (LOSCFG_BASE_CORE_TICK_HW_TIME == YES)
+        platform_tick_handler();
+#endif
+
+        g_ullTickCount++;
+
+#if (LOSCFG_BASE_CORE_TIMESLICE == YES)
+        OsTimesliceCheck();
+#endif
+        OsTaskScan();  // task timeout scan
+#if (LOSCFG_BASE_CORE_SWTMR == YES)
+        (VOID)OsSwtmrScan();
+#endif
+    }
+}
+
+#endif
+
+LITE_OS_SEC_TEXT VOID OsTickHandler(VOID)
+{
+#if (LOSCFG_KERNEL_TICKLESS == YES)
+    if (g_reloadSysTickFlag) {
+        LOS_SysTickReload(g_cyclesPerTick);
+        g_reloadSysTickFlag = 0;
+    }
+    g_tickIrqFlag = g_ticklessFlag;
+#endif
+
+#if (LOSCFG_BASE_CORE_TICK_HW_TIME == YES)
+    platform_tick_handler();
+#endif
+
+    g_ullTickCount++;
+
+#if (LOSCFG_BASE_CORE_TIMESLICE == YES)
+    OsTimesliceCheck();
+#endif
+
+    OsTaskScan();  // task timeout scan
+
+#if (LOSCFG_BASE_CORE_SWTMR == YES)
+    (VOID)OsSwtmrScan();
+#endif
+}
+
+UINT32 LOS_SysClockGet(VOID)
+{
+    return g_sysClock;
+}
+
+#ifdef __cplusplus
+#if __cplusplus
+}
+#endif /* __cplusplus */
+#endif /* __cplusplus */