450 lines
10 KiB
C
450 lines
10 KiB
C
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/*
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* Copyright (c) 2013-2019, Huawei Technologies Co., Ltd. All rights reserved.
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* Copyright (c) 2020, Huawei Device Co., Ltd. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this list of
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* conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice, this list
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* of conditions and the following disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors may be used
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* to endorse or promote products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "los_config.h"
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#include "string.h"
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#include "stdio.h"
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#include "los_oom.h"
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#ifdef LOSCFG_COMPAT_LINUXKPI
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#include "linux/workqueue.h"
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#include "linux/module.h"
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#endif
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#include "los_sys.h"
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#include "los_tick.h"
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#include "los_task_pri.h"
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#include "los_printf.h"
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#include "los_swtmr.h"
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#include "los_swtmr_pri.h"
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#include "los_timeslice_pri.h"
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#include "los_memory_pri.h"
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#include "los_sem_pri.h"
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#include "los_mux_pri.h"
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#include "los_queue_pri.h"
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#include "los_memstat_pri.h"
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#include "los_hwi_pri.h"
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#include "los_spinlock.h"
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#include "los_mp.h"
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#include "los_atomic.h"
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#include "los_exc_pri.h"
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#include "gic_common.h"
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#include "los_vm_boot.h"
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#ifdef LOSCFG_FS_VFS
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#include "fs/fs.h"
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#include "fs/fs_operation.h"
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#endif
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#if (LOSCFG_KERNEL_TRACE == YES)
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#include "los_trace.h"
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#endif
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#ifdef LOSCFG_KERNEL_CPUP
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#include "los_cpup_pri.h"
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#endif
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#ifdef LOSCFG_COMPAT_POSIX
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#include "pprivate.h"
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#endif
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#ifdef LOSCFG_DRIVERS_HDF_PLATFORM_UART
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#include "console.h"
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#endif
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#ifdef LOSCFG_KERNEL_TICKLESS
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#include "los_tickless.h"
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#endif
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#ifdef LOSCFG_ARCH_CORTEX_M7
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#include "los_exc_pri.h"
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#endif
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#ifdef LOSCFG_MEM_RECORDINFO
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#include "los_memrecord_pri.h"
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#endif
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#include "los_hw_tick_pri.h"
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#include "los_hwi_pri.h"
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#if defined(LOSCFG_HW_RANDOM_ENABLE) || defined (LOSCFG_DRIVERS_RANDOM)
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#include "randomdev.h"
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#include "yarrow.h"
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#endif
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#ifdef LOSCFG_SHELL_DMESG
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#include "dmesg_pri.h"
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#endif
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#ifdef LOSCFG_SHELL_LK
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#include "shell_pri.h"
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#endif
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#ifdef LOSCFG_KERNEL_PIPE
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#include "pipe_common.h"
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#endif
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#include "los_process_pri.h"
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#include "los_futex_pri.h"
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#ifdef LOSCFG_KERNEL_VDSO
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#include "los_vdso.h"
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#endif
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#if (LOSCFG_KERNEL_LITEIPC == YES)
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#include "hm_liteipc.h"
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#endif
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#ifdef LOSCFG_DRIVERS_HIEVENT
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#include "hievent_driver.h"
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#endif
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#if (LOSCFG_BASE_CORE_HILOG == YES)
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#include "los_hilog.h"
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#endif
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#ifdef __cplusplus
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#if __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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#endif /* __cplusplus */
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extern UINT32 OsSystemInit(VOID);
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extern VOID SystemInit(VOID);
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LITE_OS_SEC_TEXT_INIT VOID osRegister(VOID)
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{
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g_sysClock = OS_SYS_CLOCK;
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g_tickPerSecond = LOSCFG_BASE_CORE_TICK_PER_SECOND;
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return;
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}
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LITE_OS_SEC_TEXT_INIT VOID OsStart(VOID)
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{
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LosProcessCB *runProcess = NULL;
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LosTaskCB *taskCB = NULL;
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UINT32 cpuid = ArchCurrCpuid();
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OsTickStart();
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LOS_SpinLock(&g_taskSpin);
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taskCB = OsGetTopTask();
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runProcess = OS_PCB_FROM_PID(taskCB->processID);
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runProcess->processStatus |= OS_PROCESS_STATUS_RUNNING;
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#if (LOSCFG_KERNEL_SMP == YES)
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/*
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* attention: current cpu needs to be set, in case first task deletion
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* may fail because this flag mismatch with the real current cpu.
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*/
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taskCB->currCpu = cpuid;
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runProcess->processStatus = OS_PROCESS_RUNTASK_COUNT_ADD(runProcess->processStatus);
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#endif
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OS_SCHEDULER_SET(cpuid);
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PRINTK("cpu %d entering scheduler\n", cpuid);
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OsStartToRun(taskCB);
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}
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LITE_OS_SEC_TEXT_INIT STATIC UINT32 OsIpcInit(VOID)
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{
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UINT32 ret;
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#if (LOSCFG_BASE_IPC_SEM == YES)
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ret = OsSemInit();
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if (ret != LOS_OK) {
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return ret;
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}
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#endif
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#if (LOSCFG_BASE_IPC_QUEUE == YES)
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ret = OsQueueInit();
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if (ret != LOS_OK) {
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return ret;
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}
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#endif
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return LOS_OK;
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}
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#ifdef LOSCFG_KERNEL_PIPE
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LITE_OS_SEC_TEXT_INIT STATIC VOID OsDriverPipeInit(VOID)
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{
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(VOID)pipe_init();
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}
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#endif
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#ifdef LOSCFG_DRIVERS_HIEVENT
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LITE_OS_SEC_TEXT_INIT STATIC VOID OsDriverHiEventInit(VOID)
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{
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(VOID)HieventInit();
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}
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#endif
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#ifdef LOSCFG_COMPAT_BSD
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extern void configure (void);
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LITE_OS_SEC_TEXT_INIT STATIC INT32 OsBsdInit(VOID)
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{
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configure();
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mi_startup(SI_SUB_ARCH_INIT);
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return LOS_OK;
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}
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#endif
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LITE_OS_SEC_TEXT_INIT INT32 OsMain(VOID)
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{
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UINT32 ret;
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osRegister();
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#ifdef LOSCFG_SHELL_DMESG
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ret = OsDmesgInit();
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if (ret != LOS_OK) {
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return ret;
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}
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#endif
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#ifdef LOSCFG_SHELL_LK
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OsLkLoggerInit(NULL);
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#endif
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#ifdef LOSCFG_EXC_INTERACTION
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#ifdef LOSCFG_ARCH_CORTEX_M7
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/* 4096: 4K space for Stack */
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ret = OsMemExcInteractionInit((UINT32)&__bss_end + 4096);
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#else
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ret = OsMemExcInteractionInit((UINTPTR)&__bss_end);
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#endif
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if (ret != LOS_OK) {
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return ret;
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}
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#endif
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#if (LOSCFG_PLATFORM_HWI == YES)
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OsHwiInit();
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#endif
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OsExcInit();
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ret = OsTickInit(g_sysClock, LOSCFG_BASE_CORE_TICK_PER_SECOND);
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if (ret != LOS_OK) {
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return ret;
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}
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#ifdef LOSCFG_PLATFORM_UART_WITHOUT_VFS
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#ifdef LOSCFG_DRIVERS
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uart_init();
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#endif
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#ifdef LOSCFG_SHELL
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#endif //LOSCFG_SHELL
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#endif //LOSCFG_PLATFORM_UART_WITHOUT_VFS
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ret = OsTaskInit();
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if (ret != LOS_OK) {
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PRINT_ERR("OsTaskInit error\n");
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return ret;
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}
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#if ((LOSCFG_BASE_IPC_QUEUE == YES) || (LOSCFG_BASE_IPC_MUX == YES) || (LOSCFG_BASE_IPC_SEM == YES))
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ret = OsIpcInit();
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if (ret != LOS_OK) {
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return ret;
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}
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#endif
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ret = OsSysMemInit();
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if (ret != LOS_OK) {
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PRINT_ERR("OsSysMemInit error\n");
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return ret;
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}
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SyscallHandleInit();
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/*
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* CPUP should be inited before first task creation which depends on the semaphore
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* when LOSCFG_KERNEL_SMP_TASK_SYNC is enabled. So don't change this init sequence
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* if not neccessary. The sequence should be like this:
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* 1. OsIpcInit
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* 2. OsCpupInit
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* 3. other inits have task creation
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*/
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#ifdef LOSCFG_KERNEL_CPUP
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ret = OsCpupInit();
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if (ret != LOS_OK) {
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PRINT_ERR("OsCpupInit error\n");
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return ret;
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}
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#endif
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ret = OsKernelInitProcess();
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if (ret != LOS_OK) {
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return ret;
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}
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#if (LOSCFG_BASE_CORE_SWTMR == YES)
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ret = OsSwtmrInit();
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if (ret != LOS_OK) {
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return ret;
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}
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#endif
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#ifdef LOSCFG_KERNEL_CPUP
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OsCpupGuardCreator();
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#endif
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#if (LOSCFG_KERNEL_SMP == YES)
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(VOID)OsMpInit();
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#endif
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#if defined(LOSCFG_HW_RANDOM_ENABLE) || defined (LOSCFG_DRIVERS_RANDOM)
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random_alg_context.ra_init_alg(NULL);
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run_harvester_iterate(NULL);
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#endif
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#ifdef LOSCFG_COMPAT_BSD
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ret = OsBsdInit();
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if (ret != LOS_OK) {
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PRINT_ERR("init bsd failed!\n");
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return ret;
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}
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#endif
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#ifdef LOSCFG_KERNEL_PIPE
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OsDriverPipeInit();
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#endif
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ret = OsSystemInit();
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if (ret != LOS_OK) {
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return ret;
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}
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#if LOSCFG_DRIVERS_HIEVENT
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OsDriverHiEventInit();
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#endif
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#if (LOSCFG_KERNEL_TRACE == YES)
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LOS_TraceInit();
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#endif
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#if (LOSCFG_KERNEL_LITEIPC == YES)
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ret = LiteIpcInit();
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if (ret != LOS_OK) {
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return ret;
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}
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#endif
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#if (LOSCFG_BASE_CORE_HILOG == YES)
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ret = HiLogDriverInit();
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if (ret != LOS_OK) {
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return ret;
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}
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#endif
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#ifdef LOSCFG_KERNEL_VDSO
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ret = OsInitVdso();
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if (ret != LOS_OK) {
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return ret;
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}
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#endif
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ret = OsFutexInit();
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if (ret != LOS_OK) {
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PRINT_ERR("Create futex failed : %d!\n", ret);
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return ret;
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}
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ret = OomTaskInit();
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if (ret != LOS_OK) {
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return ret;
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}
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return LOS_OK;
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}
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STATIC UINT32 OsSystemInitTaskCreate(VOID)
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{
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UINT32 taskID;
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TSK_INIT_PARAM_S sysTask;
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(VOID)memset_s(&sysTask, sizeof(TSK_INIT_PARAM_S), 0, sizeof(TSK_INIT_PARAM_S));
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sysTask.pfnTaskEntry = (TSK_ENTRY_FUNC)SystemInit;
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sysTask.uwStackSize = LOSCFG_BASE_CORE_TSK_DEFAULT_STACK_SIZE;
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sysTask.pcName = "SystemInit";
|
||
|
|
sysTask.usTaskPrio = LOSCFG_BASE_CORE_TSK_DEFAULT_PRIO;
|
||
|
|
sysTask.uwResved = LOS_TASK_STATUS_DETACHED;
|
||
|
|
#if (LOSCFG_KERNEL_SMP == YES)
|
||
|
|
sysTask.usCpuAffiMask = CPUID_TO_AFFI_MASK(ArchCurrCpuid());
|
||
|
|
#endif
|
||
|
|
return LOS_TaskCreate(&taskID, &sysTask);
|
||
|
|
}
|
||
|
|
|
||
|
|
#ifdef LOSCFG_MEM_RECORDINFO
|
||
|
|
STATIC UINT32 OsMemShowTaskCreate(VOID)
|
||
|
|
{
|
||
|
|
UINT32 taskID;
|
||
|
|
TSK_INIT_PARAM_S appTask;
|
||
|
|
|
||
|
|
(VOID)memset_s(&appTask, sizeof(TSK_INIT_PARAM_S), 0, sizeof(TSK_INIT_PARAM_S));
|
||
|
|
appTask.pfnTaskEntry = (TSK_ENTRY_FUNC)OsMemRecordShowTask;
|
||
|
|
appTask.uwStackSize = LOSCFG_BASE_CORE_TSK_DEFAULT_STACK_SIZE;
|
||
|
|
appTask.pcName = "memshow_Task";
|
||
|
|
appTask.usTaskPrio = LOSCFG_BASE_CORE_TSK_DEFAULT_PRIO;
|
||
|
|
appTask.uwResved = LOS_TASK_STATUS_DETACHED;
|
||
|
|
return LOS_TaskCreate(&taskID, &appTask);
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
UINT32 OsSystemInit(VOID)
|
||
|
|
{
|
||
|
|
UINT32 ret;
|
||
|
|
#ifdef LOSCFG_FS_VFS
|
||
|
|
los_vfs_init();
|
||
|
|
#endif
|
||
|
|
#ifdef LOSCFG_COMPAT_LINUXKPI
|
||
|
|
g_pstSystemWq = create_workqueue("system_wq");
|
||
|
|
#endif
|
||
|
|
ret = OsSystemInitTaskCreate();
|
||
|
|
if (ret != LOS_OK) {
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
#ifdef LOSCFG_MEM_RECORDINFO
|
||
|
|
ret = OsMemShowTaskCreate();
|
||
|
|
if (ret != LOS_OK) {
|
||
|
|
PRINTK("create memshow_Task error %u\n", ret);
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
PRINTK("create memshow_Task ok\n");
|
||
|
|
#endif
|
||
|
|
#ifdef LOSCFG_KERNEL_TICKLESS
|
||
|
|
LOS_TicklessEnable();
|
||
|
|
#endif
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
#if __cplusplus
|
||
|
|
}
|
||
|
|
#endif /* __cplusplus */
|
||
|
|
#endif /* __cplusplus */
|