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// IBM_PROLOG_BEGIN_TAG
// This is an automatically generated prolog.
//
// $Source: src/include/kernel/timemgr.H $
//
// IBM CONFIDENTIAL
//
// COPYRIGHT International Business Machines Corp. 2010 - 2011
//
// p1
//
// Object Code Only (OCO) source materials
// Licensed Internal Code Source Materials
// IBM HostBoot Licensed Internal Code
//
// The source code for this program is not published or other-
// wise divested of its trade secrets, irrespective of what has
// been deposited with the U.S. Copyright Office.
//
// Origin: 30
//
// IBM_PROLOG_END
#ifndef __KERNEL_TIMEMGR_H
#define __KERNEL_TIMEMGR_H
#include <kernel/types.h>
#include <kernel/cpu.H>
#include <arch/ppc.H>
#include <util/locked/pqueue.H>
#include <kernel/spinlock.H>
class Scheduler;
struct _TimeManager_Delay_t
{
_TimeManager_Delay_t * next;
_TimeManager_Delay_t * prev;
uint64_t key;
task_t* task;
};
class TimeManager
{
public:
enum
{
TIMESLICE_PER_SEC = 1000,
};
static void init();
static uint64_t getTimeSliceCount()
{
return iv_timebaseFreq / TIMESLICE_PER_SEC;
};
static uint64_t getCurrentTimeBase()
{
return getTB();
};
static uint64_t convertSecToTicks(uint64_t i_sec, uint64_t i_nsec);
static void delayTask(task_t* t, uint64_t i_sec, uint64_t i_nsec);
static void checkReleaseTasks(Scheduler* s);
protected:
TimeManager() {};
~TimeManager() {};
private:
void _init();
void _delayTask(task_t* t, uint64_t i_sec, uint64_t i_nsec);
void _checkReleaseTasks(Scheduler* s);
Util::Locked::PQueue<_TimeManager_Delay_t, uint64_t>
iv_taskList[KERNEL_MAX_SUPPORTED_CPUS];
static uint64_t iv_timebaseFreq;
};
#endif
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