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wenjun authored 2020-09-08 10:21 . add OpenHarmony 1.0 baseline
/*
* 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_sys.h"
#include "los_tick.h"
#include "los_task_pri.h"
#include "los_tick_pri.h"
#include "los_config.h"
#if (LOSCFG_KERNEL_RUNSTOP == YES)
#include "los_sr.h"
#endif
#if (LOSCFG_PLATFORM_EXC == YES)
#include "los_exc_pri.h"
#endif
#if (LOSCFG_KERNEL_TRACE == YES)
#include "los_trace.h"
#endif
#if (LOSCFG_KERNEL_CPPSUPPORT == YES)
#include "los_cppsupport.h"
#endif
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cpluscplus */
#endif /* __cpluscplus */
UINT8 *m_aucSysMem0;
#if (LOSCFG_PLATFORM_EXC == YES)
UINT8 g_aucTaskArray[MAX_EXC_MEM_SIZE];
#endif
#define FPU_ENABLE ((3UL << 20) | (3UL << 22))
VOID OsEnableFPU(VOID)
{
*(volatile UINT32 *)0xE000ED88 |= FPU_ENABLE; /* CPACR is located at address 0xE000ED88. */
}
/*****************************************************************************
Function : LOS_Reboot
Description : system exception, die in here, wait for watchdog.
Input : None
Output : None
Return : None
*****************************************************************************/
LITE_OS_SEC_TEXT_INIT VOID LOS_Reboot(VOID)
{
(VOID)LOS_IntLock();
while (1) {
}
}
/*****************************************************************************
Function : OsRegister
Description : Configuring the maximum number of tasks
Input : None
Output : None
Return : None
*****************************************************************************/
LITE_OS_SEC_TEXT_INIT static VOID OsRegister(VOID)
{
g_taskMaxNum = LOSCFG_BASE_CORE_TSK_LIMIT + 1; /* Reserved 1 for IDLE */
return;
}
/*****************************************************************************
Function : LOS_Start
Description : Task start function.
Input : None
Output : None
Return : LOS_OK on success or error code on failure
*****************************************************************************/
LITE_OS_SEC_TEXT_INIT UINT32 LOS_Start(VOID)
{
UINT32 ret;
#if (LOSCFG_BASE_CORE_TICK_HW_TIME == NO)
ret = OsTickStart();
if (ret != LOS_OK) {
PRINT_ERR("OsTickStart error\n");
return ret;
}
#else
ret = os_timer_init();
if (ret != LOS_OK) {
PRINT_ERR("os_timer_init error\n");
return ret;
}
#endif
LOS_StartToRun();
return ret;
}
/*****************************************************************************
Function : LOS_KernelInit
Description : System kernel initialization function, configure all system modules
Input : None
Output : None
Return : LOS_OK on success or error code on failure
*****************************************************************************/
LITE_OS_SEC_TEXT_INIT UINT32 LOS_KernelInit(VOID)
{
UINT32 ret;
OsRegister();
m_aucSysMem0 = (UINT8 *)OS_SYS_MEM_ADDR;
g_sysMemAddrEnd = ((UINT32)OS_SYS_MEM_ADDR + OS_SYS_MEM_SIZE);
ret = OsMemSystemInit();
if (ret != LOS_OK) {
PRINT_ERR("OsMemSystemInit error %d\n", ret);
return ret;
}
#if (LOSCFG_PLATFORM_HWI == YES)
OsHwiInit();
#endif
#if (LOSCFG_PLATFORM_EXC == YES)
OsExcInit(MAX_EXC_MEM_SIZE);
#endif
ret = OsTaskInit();
if (ret != LOS_OK) {
PRINT_ERR("OsTaskInit error\n");
return ret;
}
#if (LOSCFG_BASE_CORE_TSK_MONITOR == YES)
OsTaskMonInit();
#endif
#if (LOSCFG_BASE_CORE_CPUP == YES)
ret = OsCpupInit();
if (ret != LOS_OK) {
PRINT_ERR("OsCpupInit error\n");
return ret;
}
#endif
#if (LOSCFG_BASE_IPC_SEM == YES)
ret = OsSemInit();
if (ret != LOS_OK) {
return ret;
}
#endif
#if (LOSCFG_BASE_IPC_MUX == YES)
ret = OsMuxInit();
if (ret != LOS_OK) {
return ret;
}
#endif
#if (LOSCFG_BASE_IPC_QUEUE == YES)
ret = OsQueueInit();
if (ret != LOS_OK) {
PRINT_ERR("OsQueueInit error\n");
return ret;
}
#endif
#if (LOSCFG_BASE_CORE_SWTMR == YES)
ret = OsSwtmrInit();
if (ret != LOS_OK) {
PRINT_ERR("OsSwtmrInit error\n");
return ret;
}
#endif
#if (LOSCFG_BASE_CORE_TIMESLICE == YES)
OsTimesliceInit();
#endif
ret = OsIdleTaskCreate();
if (ret != LOS_OK) {
return ret;
}
#if (LOSCFG_KERNEL_TRACE == YES)
ret = LOS_TraceInit();
if (ret != LOS_OK) {
PRINT_ERR("LOS_TraceInit error\n");
return ret;
}
#endif
#if (LOSCFG_KERNEL_CPPSUPPORT == YES)
extern char __init_array_start,__init_array_end;
LOS_CppSystemInit((UINTPTR)&__init_array_start,(UINTPTR)&__init_array_end);
#endif
#ifdef LOSCFG_TEST
ret = los_TestInit();
if (ret != LOS_OK) {
PRINT_ERR("los_TestInit error\n");
return ret;
}
#endif
return LOS_OK;
}
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cpluscplus */
#endif /* __cpluscplus */
C
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