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kernel_liteos_a1/kernel/common/los_config.c

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/*
* 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_config.h"
#include "string.h"
#include "stdio.h"
#include "los_oom.h"
#ifdef LOSCFG_COMPAT_LINUXKPI
#include "linux/workqueue.h"
#include "linux/module.h"
#endif
#include "los_sys.h"
#include "los_tick.h"
#include "los_task_pri.h"
#include "los_printf.h"
#include "los_swtmr.h"
#include "los_swtmr_pri.h"
#include "los_timeslice_pri.h"
#include "los_memory_pri.h"
#include "los_sem_pri.h"
#include "los_mux_pri.h"
#include "los_queue_pri.h"
#include "los_memstat_pri.h"
#include "los_hwi_pri.h"
#include "los_spinlock.h"
#include "los_mp.h"
#include "los_atomic.h"
#include "los_exc_pri.h"
#include "gic_common.h"
#include "los_vm_boot.h"
#ifdef LOSCFG_FS_VFS
#include "fs/fs.h"
#include "fs/fs_operation.h"
#endif
#if (LOSCFG_KERNEL_TRACE == YES)
#include "los_trace.h"
#endif
#ifdef LOSCFG_KERNEL_CPUP
#include "los_cpup_pri.h"
#endif
#ifdef LOSCFG_COMPAT_POSIX
#include "pprivate.h"
#endif
#ifdef LOSCFG_DRIVERS_HDF_PLATFORM_UART
#include "console.h"
#endif
#ifdef LOSCFG_KERNEL_TICKLESS
#include "los_tickless.h"
#endif
#ifdef LOSCFG_ARCH_CORTEX_M7
#include "los_exc_pri.h"
#endif
#ifdef LOSCFG_MEM_RECORDINFO
#include "los_memrecord_pri.h"
#endif
#include "los_hw_tick_pri.h"
#include "los_hwi_pri.h"
#if defined(LOSCFG_HW_RANDOM_ENABLE) || defined (LOSCFG_DRIVERS_RANDOM)
#include "randomdev.h"
#include "yarrow.h"
#endif
#ifdef LOSCFG_SHELL_DMESG
#include "dmesg_pri.h"
#endif
#ifdef LOSCFG_SHELL_LK
#include "shell_pri.h"
#endif
#ifdef LOSCFG_KERNEL_PIPE
#include "pipe_common.h"
#endif
#include "los_process_pri.h"
#include "los_futex_pri.h"
#ifdef LOSCFG_KERNEL_VDSO
#include "los_vdso.h"
#endif
#if (LOSCFG_KERNEL_LITEIPC == YES)
#include "hm_liteipc.h"
#endif
#ifdef LOSCFG_DRIVERS_HIEVENT
#include "hievent_driver.h"
#endif
#if (LOSCFG_BASE_CORE_HILOG == YES)
#include "los_hilog.h"
#endif
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
extern UINT32 OsSystemInit(VOID);
extern VOID SystemInit(VOID);
LITE_OS_SEC_TEXT_INIT VOID osRegister(VOID)
{
g_sysClock = OS_SYS_CLOCK;
g_tickPerSecond = LOSCFG_BASE_CORE_TICK_PER_SECOND;
return;
}
LITE_OS_SEC_TEXT_INIT VOID OsStart(VOID)
{
LosProcessCB *runProcess = NULL;
LosTaskCB *taskCB = NULL;
UINT32 cpuid = ArchCurrCpuid();
OsTickStart();
LOS_SpinLock(&g_taskSpin);
taskCB = OsGetTopTask();
runProcess = OS_PCB_FROM_PID(taskCB->processID);
runProcess->processStatus |= OS_PROCESS_STATUS_RUNNING;
#if (LOSCFG_KERNEL_SMP == YES)
/*
* attention: current cpu needs to be set, in case first task deletion
* may fail because this flag mismatch with the real current cpu.
*/
taskCB->currCpu = cpuid;
runProcess->processStatus = OS_PROCESS_RUNTASK_COUNT_ADD(runProcess->processStatus);
#endif
OS_SCHEDULER_SET(cpuid);
PRINTK("cpu %d entering scheduler\n", cpuid);
OsStartToRun(taskCB);
}
LITE_OS_SEC_TEXT_INIT STATIC UINT32 OsIpcInit(VOID)
{
UINT32 ret;
#if (LOSCFG_BASE_IPC_SEM == YES)
ret = OsSemInit();
if (ret != LOS_OK) {
return ret;
}
#endif
#if (LOSCFG_BASE_IPC_QUEUE == YES)
ret = OsQueueInit();
if (ret != LOS_OK) {
return ret;
}
#endif
return LOS_OK;
}
#ifdef LOSCFG_KERNEL_PIPE
LITE_OS_SEC_TEXT_INIT STATIC VOID OsDriverPipeInit(VOID)
{
(VOID)pipe_init();
}
#endif
#ifdef LOSCFG_DRIVERS_HIEVENT
LITE_OS_SEC_TEXT_INIT STATIC VOID OsDriverHiEventInit(VOID)
{
(VOID)HieventInit();
}
#endif
#ifdef LOSCFG_COMPAT_BSD
extern void configure (void);
LITE_OS_SEC_TEXT_INIT STATIC INT32 OsBsdInit(VOID)
{
configure();
mi_startup(SI_SUB_ARCH_INIT);
return LOS_OK;
}
#endif
LITE_OS_SEC_TEXT_INIT INT32 OsMain(VOID)
{
UINT32 ret;
osRegister();
#ifdef LOSCFG_SHELL_DMESG
ret = OsDmesgInit();
if (ret != LOS_OK) {
return ret;
}
#endif
#ifdef LOSCFG_SHELL_LK
OsLkLoggerInit(NULL);
#endif
#ifdef LOSCFG_EXC_INTERACTION
#ifdef LOSCFG_ARCH_CORTEX_M7
/* 4096: 4K space for Stack */
ret = OsMemExcInteractionInit((UINT32)&__bss_end + 4096);
#else
ret = OsMemExcInteractionInit((UINTPTR)&__bss_end);
#endif
if (ret != LOS_OK) {
return ret;
}
#endif
#if (LOSCFG_PLATFORM_HWI == YES)
OsHwiInit();
#endif
OsExcInit();
ret = OsTickInit(g_sysClock, LOSCFG_BASE_CORE_TICK_PER_SECOND);
if (ret != LOS_OK) {
return ret;
}
#ifdef LOSCFG_PLATFORM_UART_WITHOUT_VFS
#ifdef LOSCFG_DRIVERS
uart_init();
#endif
#ifdef LOSCFG_SHELL
#endif //LOSCFG_SHELL
#endif //LOSCFG_PLATFORM_UART_WITHOUT_VFS
ret = OsTaskInit();
if (ret != LOS_OK) {
PRINT_ERR("OsTaskInit error\n");
return ret;
}
#if ((LOSCFG_BASE_IPC_QUEUE == YES) || (LOSCFG_BASE_IPC_MUX == YES) || (LOSCFG_BASE_IPC_SEM == YES))
ret = OsIpcInit();
if (ret != LOS_OK) {
return ret;
}
#endif
ret = OsSysMemInit();
if (ret != LOS_OK) {
PRINT_ERR("OsSysMemInit error\n");
return ret;
}
SyscallHandleInit();
/*
* CPUP should be inited before first task creation which depends on the semaphore
* when LOSCFG_KERNEL_SMP_TASK_SYNC is enabled. So don't change this init sequence
* if not neccessary. The sequence should be like this:
* 1. OsIpcInit
* 2. OsCpupInit
* 3. other inits have task creation
*/
#ifdef LOSCFG_KERNEL_CPUP
ret = OsCpupInit();
if (ret != LOS_OK) {
PRINT_ERR("OsCpupInit error\n");
return ret;
}
#endif
ret = OsKernelInitProcess();
if (ret != LOS_OK) {
return ret;
}
#if (LOSCFG_BASE_CORE_SWTMR == YES)
ret = OsSwtmrInit();
if (ret != LOS_OK) {
return ret;
}
#endif
#ifdef LOSCFG_KERNEL_CPUP
OsCpupGuardCreator();
#endif
#if (LOSCFG_KERNEL_SMP == YES)
(VOID)OsMpInit();
#endif
#if defined(LOSCFG_HW_RANDOM_ENABLE) || defined (LOSCFG_DRIVERS_RANDOM)
random_alg_context.ra_init_alg(NULL);
run_harvester_iterate(NULL);
#endif
#ifdef LOSCFG_COMPAT_BSD
ret = OsBsdInit();
if (ret != LOS_OK) {
PRINT_ERR("init bsd failed!\n");
return ret;
}
#endif
#ifdef LOSCFG_KERNEL_PIPE
OsDriverPipeInit();
#endif
ret = OsSystemInit();
if (ret != LOS_OK) {
return ret;
}
#if LOSCFG_DRIVERS_HIEVENT
OsDriverHiEventInit();
#endif
#if (LOSCFG_KERNEL_TRACE == YES)
LOS_TraceInit();
#endif
#if (LOSCFG_KERNEL_LITEIPC == YES)
ret = LiteIpcInit();
if (ret != LOS_OK) {
return ret;
}
#endif
#if (LOSCFG_BASE_CORE_HILOG == YES)
ret = HiLogDriverInit();
if (ret != LOS_OK) {
return ret;
}
#endif
#ifdef LOSCFG_KERNEL_VDSO
ret = OsInitVdso();
if (ret != LOS_OK) {
return ret;
}
#endif
ret = OsFutexInit();
if (ret != LOS_OK) {
PRINT_ERR("Create futex failed : %d!\n", ret);
return ret;
}
ret = OomTaskInit();
if (ret != LOS_OK) {
return ret;
}
return LOS_OK;
}
STATIC UINT32 OsSystemInitTaskCreate(VOID)
{
UINT32 taskID;
TSK_INIT_PARAM_S sysTask;
(VOID)memset_s(&sysTask, sizeof(TSK_INIT_PARAM_S), 0, sizeof(TSK_INIT_PARAM_S));
sysTask.pfnTaskEntry = (TSK_ENTRY_FUNC)SystemInit;
sysTask.uwStackSize = LOSCFG_BASE_CORE_TSK_DEFAULT_STACK_SIZE;
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 */
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