add OpenHarmony 1.0 baseline

2020-09-08 10:21:39 +08:00
parent 94f5f466b4
commit 6df931fc98
736 changed files with 111817 additions and 0 deletions
@@ -0,0 +1,298 @@
+/*
+ * 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_sem_pri.h"
+#include "los_sem_debug_pri.h"
+#include "los_err_pri.h"
+#include "los_task_pri.h"
+#include "los_exc.h"
+#include "los_spinlock.h"
+#include "los_mp.h"
+#include "los_percpu_pri.h"
+
+#ifdef __cplusplus
+#if __cplusplus
+extern "C" {
+#endif
+#endif /* __cplusplus */
+
+#if (LOSCFG_BASE_IPC_SEM == YES)
+
+#if (LOSCFG_BASE_IPC_SEM_LIMIT <= 0)
+#error "sem maxnum cannot be zero"
+#endif /* LOSCFG_BASE_IPC_SEM_LIMIT <= 0 */
+
+LITE_OS_SEC_DATA_INIT STATIC LOS_DL_LIST g_unusedSemList;
+LITE_OS_SEC_BSS LosSemCB *g_allSem = NULL;
+
+/*
+ * Description  : Initialize the semaphore doubly linked list
+ * Return       : LOS_OK on success, or error code on failure
+ */
+LITE_OS_SEC_TEXT_INIT UINT32 OsSemInit(VOID)
+{
+    LosSemCB *semNode = NULL;
+    UINT32 index;
+
+    LOS_ListInit(&g_unusedSemList);
+    /* system resident memory, don't free */
+    g_allSem = (LosSemCB *)LOS_MemAlloc(m_aucSysMem0, (LOSCFG_BASE_IPC_SEM_LIMIT * sizeof(LosSemCB)));
+    if (g_allSem == NULL) {
+        return LOS_ERRNO_SEM_NO_MEMORY;
+    }
+
+    for (index = 0; index < LOSCFG_BASE_IPC_SEM_LIMIT; index++) {
+        semNode = ((LosSemCB *)g_allSem) + index;
+        semNode->semID = SET_SEM_ID(0, index);
+        semNode->semStat = OS_SEM_UNUSED;
+        LOS_ListTailInsert(&g_unusedSemList, &semNode->semList);
+    }
+
+    if (OsSemDbgInitHook() != LOS_OK) {
+        return LOS_ERRNO_SEM_NO_MEMORY;
+    }
+    return LOS_OK;
+}
+
+/*
+ * Description  : Create a semaphore,
+ * Input        : count     --- semaphore count,
+ *                maxCount  --- Max number of available semaphores,
+ *                semHandle --- Index of semaphore,
+ * Return       : LOS_OK on success ,or error code on failure
+ */
+LITE_OS_SEC_TEXT_INIT UINT32 OsSemCreate(UINT16 count, UINT16 maxCount, UINT32 *semHandle)
+{
+    UINT32 intSave;
+    LosSemCB *semCreated = NULL;
+    LOS_DL_LIST *unusedSem = NULL;
+    UINT32 errNo;
+    UINT32 errLine;
+
+    if (semHandle == NULL) {
+        return LOS_ERRNO_SEM_PTR_NULL;
+    }
+
+    if (count > maxCount) {
+        OS_GOTO_ERR_HANDLER(LOS_ERRNO_SEM_OVERFLOW);
+    }
+
+    SCHEDULER_LOCK(intSave);
+
+    if (LOS_ListEmpty(&g_unusedSemList)) {
+        SCHEDULER_UNLOCK(intSave);
+        OsSemInfoGetFullDataHook();
+        OS_GOTO_ERR_HANDLER(LOS_ERRNO_SEM_ALL_BUSY);
+    }
+
+    unusedSem = LOS_DL_LIST_FIRST(&g_unusedSemList);
+    LOS_ListDelete(unusedSem);
+    semCreated = GET_SEM_LIST(unusedSem);
+    semCreated->semCount = count;
+    semCreated->semStat = OS_SEM_USED;
+    semCreated->maxSemCount = maxCount;
+    LOS_ListInit(&semCreated->semList);
+    *semHandle = semCreated->semID;
+
+    OsSemDbgUpdateHook(semCreated->semID, OsCurrTaskGet()->taskEntry, count);
+
+    SCHEDULER_UNLOCK(intSave);
+    return LOS_OK;
+
+ERR_HANDLER:
+    OS_RETURN_ERROR_P2(errLine, errNo);
+}
+
+LITE_OS_SEC_TEXT_INIT UINT32 LOS_SemCreate(UINT16 count, UINT32 *semHandle)
+{
+    return OsSemCreate(count, OS_SEM_COUNT_MAX, semHandle);
+}
+
+LITE_OS_SEC_TEXT_INIT UINT32 LOS_BinarySemCreate(UINT16 count, UINT32 *semHandle)
+{
+    return OsSemCreate(count, OS_SEM_BINARY_COUNT_MAX, semHandle);
+}
+
+LITE_OS_SEC_TEXT_INIT UINT32 LOS_SemDelete(UINT32 semHandle)
+{
+    UINT32 intSave;
+    LosSemCB *semDeleted = NULL;
+    UINT32 errNo;
+    UINT32 errLine;
+
+    if (GET_SEM_INDEX(semHandle) >= (UINT32)LOSCFG_BASE_IPC_SEM_LIMIT) {
+        OS_GOTO_ERR_HANDLER(LOS_ERRNO_SEM_INVALID);
+    }
+
+    semDeleted = GET_SEM(semHandle);
+
+    SCHEDULER_LOCK(intSave);
+
+    if ((semDeleted->semStat == OS_SEM_UNUSED) || (semDeleted->semID != semHandle)) {
+        SCHEDULER_UNLOCK(intSave);
+        OS_GOTO_ERR_HANDLER(LOS_ERRNO_SEM_INVALID);
+    }
+
+    if (!LOS_ListEmpty(&semDeleted->semList)) {
+        SCHEDULER_UNLOCK(intSave);
+        OS_GOTO_ERR_HANDLER(LOS_ERRNO_SEM_PENDED);
+    }
+
+    LOS_ListTailInsert(&g_unusedSemList, &semDeleted->semList);
+    semDeleted->semStat = OS_SEM_UNUSED;
+    semDeleted->semID = SET_SEM_ID(GET_SEM_COUNT(semDeleted->semID) + 1, GET_SEM_INDEX(semDeleted->semID));
+
+    OsSemDbgUpdateHook(semDeleted->semID, NULL, 0);
+
+    SCHEDULER_UNLOCK(intSave);
+    return LOS_OK;
+
+ERR_HANDLER:
+    OS_RETURN_ERROR_P2(errLine, errNo);
+}
+
+LITE_OS_SEC_TEXT UINT32 LOS_SemPend(UINT32 semHandle, UINT32 timeout)
+{
+    UINT32 intSave;
+    LosSemCB *semPended = GET_SEM(semHandle);
+    UINT32 retErr = LOS_OK;
+    LosTaskCB *runTask = NULL;
+
+    if (GET_SEM_INDEX(semHandle) >= (UINT32)LOSCFG_BASE_IPC_SEM_LIMIT) {
+        OS_RETURN_ERROR(LOS_ERRNO_SEM_INVALID);
+    }
+
+    if (OS_INT_ACTIVE) {
+        PRINT_ERR("!!!LOS_ERRNO_SEM_PEND_INTERR!!!\n");
+        OsBackTrace();
+        return LOS_ERRNO_SEM_PEND_INTERR;
+    }
+
+    runTask = OsCurrTaskGet();
+    if (runTask->taskStatus & OS_TASK_FLAG_SYSTEM_TASK) {
+        OsBackTrace();
+        return LOS_ERRNO_SEM_PEND_IN_SYSTEM_TASK;
+    }
+
+    SCHEDULER_LOCK(intSave);
+
+    if ((semPended->semStat == OS_SEM_UNUSED) || (semPended->semID != semHandle)) {
+        retErr = LOS_ERRNO_SEM_INVALID;
+        goto OUT;
+    }
+
+    /* Update the operate time, no matter the actual Pend success or not */
+    OsSemDbgTimeUpdateHook(semHandle);
+
+    if (semPended->semCount > 0) {
+        semPended->semCount--;
+        goto OUT;
+    } else if (!timeout) {
+        retErr = LOS_ERRNO_SEM_UNAVAILABLE;
+        goto OUT;
+    }
+
+    if (!OsPreemptableInSched()) {
+        PRINT_ERR("!!!LOS_ERRNO_SEM_PEND_IN_LOCK!!!\n");
+        OsBackTrace();
+        retErr = LOS_ERRNO_SEM_PEND_IN_LOCK;
+        goto OUT;
+    }
+
+    runTask->taskSem = (VOID *)semPended;
+    retErr = OsTaskWait(&semPended->semList, timeout, TRUE);
+    if (retErr == LOS_ERRNO_TSK_TIMEOUT) {
+        runTask->taskSem = NULL;
+        retErr = LOS_ERRNO_SEM_TIMEOUT;
+    }
+
+OUT:
+    SCHEDULER_UNLOCK(intSave);
+    return retErr;
+}
+
+LITE_OS_SEC_TEXT UINT32 OsSemPostUnsafe(UINT32 semHandle, BOOL *needSched)
+{
+    LosSemCB *semPosted = NULL;
+    LosTaskCB *resumedTask = NULL;
+
+    if (GET_SEM_INDEX(semHandle) >= LOSCFG_BASE_IPC_SEM_LIMIT) {
+        return LOS_ERRNO_SEM_INVALID;
+    }
+
+    semPosted = GET_SEM(semHandle);
+    if ((semPosted->semID != semHandle) || (semPosted->semStat == OS_SEM_UNUSED)) {
+        return LOS_ERRNO_SEM_INVALID;
+    }
+
+    /* Update the operate time, no matter the actual Post success or not */
+    OsSemDbgTimeUpdateHook(semHandle);
+
+    if (semPosted->semCount == OS_SEM_COUNT_MAX) {
+        return LOS_ERRNO_SEM_OVERFLOW;
+    }
+    if (!LOS_ListEmpty(&semPosted->semList)) {
+        resumedTask = OS_TCB_FROM_PENDLIST(LOS_DL_LIST_FIRST(&(semPosted->semList)));
+        resumedTask->taskSem = NULL;
+        OsTaskWake(resumedTask);
+        if (needSched != NULL) {
+            *needSched = TRUE;
+        }
+    } else {
+        semPosted->semCount++;
+    }
+
+    return LOS_OK;
+}
+
+LITE_OS_SEC_TEXT UINT32 LOS_SemPost(UINT32 semHandle)
+{
+    UINT32 intSave;
+    UINT32 ret;
+    BOOL needSched = FALSE;
+
+    SCHEDULER_LOCK(intSave);
+    ret = OsSemPostUnsafe(semHandle, &needSched);
+        SCHEDULER_UNLOCK(intSave);
+    if (needSched) {
+        LOS_MpSchedule(OS_MP_CPU_ALL);
+        LOS_Schedule();
+    }
+
+    return ret;
+}
+#endif /* (LOSCFG_BASE_IPC_SEM == YES) */
+
+#ifdef __cplusplus
+#if __cplusplus
+}
+#endif
+#endif /* __cplusplus */