sched/init: move task list table from data to bss
N/A, help to extend the multi-core implementation Signed-off-by: chao an <anchao@lixiang.com>
This commit is contained in:
chao an
Xiang Xiao
parent
7cc89bbd0e
commit
f7434c2bc4
@ -184,77 +184,7 @@ volatile int g_npidhash;
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* ordered list or not.
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*/
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const struct tasklist_s g_tasklisttable[NUM_TASK_STATES] =
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{
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{ /* TSTATE_TASK_INVALID */
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NULL,
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0
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},
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{ /* TSTATE_TASK_PENDING */
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&g_pendingtasks,
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TLIST_ATTR_PRIORITIZED
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},
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#ifdef CONFIG_SMP
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{ /* TSTATE_TASK_READYTORUN */
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&g_readytorun,
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TLIST_ATTR_PRIORITIZED
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},
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{ /* TSTATE_TASK_ASSIGNED */
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g_assignedtasks,
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TLIST_ATTR_PRIORITIZED | TLIST_ATTR_INDEXED | TLIST_ATTR_RUNNABLE
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},
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{ /* TSTATE_TASK_RUNNING */
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g_assignedtasks,
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TLIST_ATTR_PRIORITIZED | TLIST_ATTR_INDEXED | TLIST_ATTR_RUNNABLE
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},
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#else
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{ /* TSTATE_TASK_READYTORUN */
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&g_readytorun,
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TLIST_ATTR_PRIORITIZED | TLIST_ATTR_RUNNABLE
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},
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{ /* TSTATE_TASK_RUNNING */
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&g_readytorun,
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TLIST_ATTR_PRIORITIZED | TLIST_ATTR_RUNNABLE
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},
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#endif
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{ /* TSTATE_TASK_INACTIVE */
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&g_inactivetasks,
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0
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},
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{ /* TSTATE_WAIT_SEM */
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(FAR void *)offsetof(sem_t, waitlist),
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TLIST_ATTR_PRIORITIZED | TLIST_ATTR_OFFSET
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},
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{ /* TSTATE_WAIT_SIG */
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&g_waitingforsignal,
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0
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}
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#ifndef CONFIG_DISABLE_MQUEUE
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,
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{ /* TSTATE_WAIT_MQNOTEMPTY */
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(FAR void *)offsetof(struct mqueue_inode_s, cmn.waitfornotempty),
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TLIST_ATTR_PRIORITIZED | TLIST_ATTR_OFFSET
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},
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{ /* TSTATE_WAIT_MQNOTFULL */
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(FAR void *)offsetof(struct mqueue_inode_s, cmn.waitfornotfull),
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TLIST_ATTR_PRIORITIZED | TLIST_ATTR_OFFSET
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}
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#endif
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#ifdef CONFIG_LEGACY_PAGING
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,
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{ /* TSTATE_WAIT_PAGEFILL */
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&g_waitingforfill,
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TLIST_ATTR_PRIORITIZED
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}
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#endif
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#ifdef CONFIG_SIG_SIGSTOP_ACTION
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,
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{ /* TSTATE_TASK_STOPPED */
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&g_stoppedtasks,
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0 /* See tcb->prev_state */
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},
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#endif
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};
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struct tasklist_s g_tasklisttable[NUM_TASK_STATES];
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/* This is the current initialization state. The level of initialization
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* is only important early in the start-up sequence when certain OS or
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@ -298,6 +228,118 @@ static FAR char *g_idleargv[CONFIG_SMP_NCPUS][2];
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* Private Functions
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****************************************************************************/
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/****************************************************************************
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* Name: tasklist_initialize
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*
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* Description:
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* Initialization of table of task lists.This table is indexed by the
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* task state enumeration type (tstate_t) and provides a pointer to
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* the associated static task list (if there is one) as well as a set
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* of attribute flags indicating properties of the list, for example,
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* if the list is an ordered list or not.
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*
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****************************************************************************/
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static void tasklist_initialize(void)
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{
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FAR struct tasklist_s *tlist = (FAR void *)&g_tasklisttable;
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/* TSTATE_TASK_INVALID */
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tlist[TSTATE_TASK_INVALID].list = NULL;
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tlist[TSTATE_TASK_INVALID].attr = 0;
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/* TSTATE_TASK_PENDING */
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tlist[TSTATE_TASK_PENDING].list = list_pendingtasks();
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tlist[TSTATE_TASK_PENDING].attr = TLIST_ATTR_PRIORITIZED;
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#ifdef CONFIG_SMP
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/* TSTATE_TASK_READYTORUN */
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tlist[TSTATE_TASK_READYTORUN].list = list_readytorun();
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tlist[TSTATE_TASK_READYTORUN].attr = TLIST_ATTR_PRIORITIZED;
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/* TSTATE_TASK_ASSIGNED */
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tlist[TSTATE_TASK_ASSIGNED].list = list_assignedtasks(0);
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tlist[TSTATE_TASK_ASSIGNED].attr = TLIST_ATTR_PRIORITIZED |
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TLIST_ATTR_INDEXED |
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TLIST_ATTR_RUNNABLE;
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/* TSTATE_TASK_RUNNING */
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tlist[TSTATE_TASK_RUNNING].list = list_assignedtasks(0);
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tlist[TSTATE_TASK_RUNNING].attr = TLIST_ATTR_PRIORITIZED |
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TLIST_ATTR_INDEXED |
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TLIST_ATTR_RUNNABLE;
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#else
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/* TSTATE_TASK_READYTORUN */
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tlist[TSTATE_TASK_READYTORUN].list = list_readytorun();
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tlist[TSTATE_TASK_READYTORUN].attr = TLIST_ATTR_PRIORITIZED |
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TLIST_ATTR_RUNNABLE;
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/* TSTATE_TASK_RUNNING */
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tlist[TSTATE_TASK_RUNNING].list = list_readytorun();
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tlist[TSTATE_TASK_RUNNING].attr = TLIST_ATTR_PRIORITIZED |
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TLIST_ATTR_RUNNABLE;
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#endif
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/* TSTATE_TASK_INACTIVE */
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tlist[TSTATE_TASK_INACTIVE].list = list_inactivetasks();
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tlist[TSTATE_TASK_INACTIVE].attr = 0;
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/* TSTATE_WAIT_SEM */
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tlist[TSTATE_WAIT_SEM].list = (FAR void *)offsetof(sem_t, waitlist);
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tlist[TSTATE_WAIT_SEM].attr = TLIST_ATTR_PRIORITIZED |
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TLIST_ATTR_OFFSET;
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/* TSTATE_WAIT_SIG */
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tlist[TSTATE_WAIT_SIG].list = list_waitingforsignal();
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tlist[TSTATE_WAIT_SIG].attr = 0;
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#ifndef CONFIG_DISABLE_MQUEUE
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/* TSTATE_WAIT_MQNOTEMPTY */
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tlist[TSTATE_WAIT_MQNOTEMPTY].list =
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(FAR void *)offsetof(struct mqueue_inode_s, cmn.waitfornotempty);
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tlist[TSTATE_WAIT_MQNOTEMPTY].attr = TLIST_ATTR_PRIORITIZED |
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TLIST_ATTR_OFFSET;
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/* TSTATE_WAIT_MQNOTFULL */
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tlist[TSTATE_WAIT_MQNOTFULL].list =
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(FAR void *)offsetof(struct mqueue_inode_s, cmn.waitfornotfull);
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tlist[TSTATE_WAIT_MQNOTFULL].attr = TLIST_ATTR_PRIORITIZED |
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TLIST_ATTR_OFFSET;
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#endif
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#ifdef CONFIG_LEGACY_PAGING
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/* TSTATE_WAIT_PAGEFILL */
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tlist[TSTATE_WAIT_PAGEFILL].list = list_waitingforfill();
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tlist[TSTATE_WAIT_PAGEFILL].attr = TLIST_ATTR_PRIORITIZED;
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#endif
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#ifdef CONFIG_SIG_SIGSTOP_ACTION
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/* TSTATE_TASK_STOPPED */
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tlist[TSTATE_TASK_STOPPED].list = list_stoppedtasks();
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tlist[TSTATE_TASK_STOPPED].attr = 0;
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#endif
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}
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/****************************************************************************
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* Name: idle_task_initialize
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*
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@ -503,6 +545,10 @@ void nx_start(void)
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sched_trace_begin();
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/* Initialize task list table *********************************************/
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tasklist_initialize();
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/* Initialize the IDLE task TCB *******************************************/
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idle_task_initialize();
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@ -251,7 +251,7 @@ extern volatile int g_npidhash;
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* ordered list or not.
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*/
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extern const struct tasklist_s g_tasklisttable[NUM_TASK_STATES];
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extern struct tasklist_s g_tasklisttable[NUM_TASK_STATES];
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#ifndef CONFIG_SCHED_CPULOAD_NONE
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/* This is the total number of clock tick counts. Essentially the
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