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Kernel updates since December 2009

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This commit is contained in:
Bahadir Balban
2010-03-25 01:12:40 +02:00
parent 16818191b3
commit 74b5963fcb
487 changed files with 22477 additions and 3857 deletions
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28
include/l4/generic/scheduler.h
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@@ -7,8 +7,11 @@
#define __SCHEDULER_H__
#include <l4/generic/tcb.h>
#include <l4/generic/smp.h>
#include INC_SUBARCH(cpu.h)
#include INC_SUBARCH(mm.h)
#include INC_GLUE(memory.h)
#include INC_GLUE(smp.h)
/* Task priorities */
#define TASK_PRIO_MAX 10
@@ -19,14 +22,16 @@
#define TASK_PRIO_LOW 2
#define TASK_PRIO_TOTAL 30
/* Ticks per second, try ticks = 1000 + timeslice = 1 for regressed preemption test. */
#define SCHED_TICKS 100
/*
* CONFIG_SCHED_TICKS gives ticks per second.
* try ticks = 1000, and timeslice = 1 for regressed preemption test.
*/
/*
* A task can run continuously at this granularity,
* even if it has a greater total time slice.
*/
#define SCHED_GRANULARITY SCHED_TICKS/50
#define SCHED_GRANULARITY CONFIG_SCHED_TICKS/10
static inline struct ktcb *current_task(void)
{
@@ -37,13 +42,13 @@ static inline struct ktcb *current_task(void)
#define current current_task()
#define need_resched (current->ts_need_resched)
#define SCHED_RQ_TOTAL 2
#define SCHED_RQ_TOTAL 2
/* A basic runqueue */
struct runqueue {
struct scheduler *sched;
struct spinlock lock; /* Lock */
struct link task_list; /* List of tasks in rq */
struct link task_list; /* List of tasks in rq */
unsigned int total; /* Total tasks */
};
@@ -52,22 +57,25 @@ struct scheduler {
struct runqueue sched_rq[SCHED_RQ_TOTAL];
struct runqueue *rq_runnable;
struct runqueue *rq_expired;
struct ktcb *idle_task;
/* Total priority of all tasks in container */
int prio_total;
};
extern struct scheduler scheduler;
void sched_init_runqueue(struct runqueue *rq);
DECLARE_PERCPU(extern struct scheduler, scheduler);
void sched_init_runqueue(struct scheduler *sched, struct runqueue *rq);
void sched_init_task(struct ktcb *task, int priority);
void sched_prepare_sleep(void);
void sched_exit_sync(void);
void sched_suspend_sync(void);
void sched_suspend_async(void);
void sched_resume_sync(struct ktcb *task);
void sched_resume_async(struct ktcb *task);
void sched_enqueue_task(struct ktcb *first_time_runner, int sync);
void scheduler_start(void);
void schedule(void);
void sched_init(struct scheduler *scheduler);
void sched_init(void);
void idle_task(void);
#endif /* __SCHEDULER_H__ */