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Adjust the function layout of Timer.c to remove the prototype to reduce sync efforts. 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5918 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
qhuang8 2008-09-17 13:32:52 +00:00
parent 3f1435782f
commit f94b9be34f
1 changed files with 71 additions and 114 deletions
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185
MdeModulePkg/Core/Dxe/Event/Timer.c
View File

@ -15,47 +15,6 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#include "DxeMain.h"
//
// Internal prototypes
//
/**
Returns the current system time.
@return The current system time
**/
UINT64
CoreCurrentSystemTime (
VOID
);
/**
Checks the sorted timer list against the current system time.
Signals any expired event timer.
@param CheckEvent Not used
@param Context Not used
**/
VOID
EFIAPI
CoreCheckTimers (
IN EFI_EVENT CheckEvent,
IN VOID *Context
);
/**
Inserts the timer event.
@param Event Points to the internal structure of timer event
to be installed
**/
VOID
CoreInsertEventTimer (
IN IEVENT *Event
);
//
// Internal data
//
@ -71,27 +30,42 @@ UINT64 mEfiSystemTime = 0;
// Timer functions
//
/**
Initializes timer support.
Inserts the timer event.
@param Event Points to the internal structure of timer event
to be installed
**/
VOID
CoreInitializeTimer (
VOID
CoreInsertEventTimer (
IN IEVENT *Event
)
{
EFI_STATUS Status;
UINT64 TriggerTime;
LIST_ENTRY *Link;
IEVENT *Event2;
Status = CoreCreateEvent (
EVT_NOTIFY_SIGNAL,
TPL_HIGH_LEVEL - 1,
CoreCheckTimers,
NULL,
&mEfiCheckTimerEvent
);
ASSERT_EFI_ERROR (Status);
ASSERT_LOCKED (&mEfiTimerLock);
//
// Get the timer's trigger time
//
TriggerTime = Event->u.Timer.TriggerTime;
//
// Insert the timer into the timer database in assending sorted order
//
for (Link = mEfiTimerList.ForwardLink; Link != &mEfiTimerList; Link = Link->ForwardLink) {
Event2 = CR (Link, IEVENT, u.Timer.Link, EVENT_SIGNATURE);
if (Event2->u.Timer.TriggerTime > TriggerTime) {
break;
}
}
InsertTailList (Link, &Event->u.Timer.Link);
}
/**
Returns the current system time.
@ -112,48 +86,6 @@ CoreCurrentSystemTime (
return SystemTime;
}
/**
Called by the platform code to process a tick.
@param Duration The number of 100ns elasped since the last call
to TimerTick
**/
VOID
EFIAPI
CoreTimerTick (
IN UINT64 Duration
)
{
IEVENT *Event;
//
// Check runtiem flag in case there are ticks while exiting boot services
//
CoreAcquireLock (&mEfiSystemTimeLock);
//
// Update the system time
//
mEfiSystemTime += Duration;
//
// If the head of the list is expired, fire the timer event
// to process it
//
if (!IsListEmpty (&mEfiTimerList)) {
Event = CR (mEfiTimerList.ForwardLink, IEVENT, u.Timer.Link, EVENT_SIGNATURE);
if (Event->u.Timer.TriggerTime <= mEfiSystemTime) {
CoreSignalEvent (mEfiCheckTimerEvent);
}
}
CoreReleaseLock (&mEfiSystemTimeLock);
}
/**
Checks the sorted timer list against the current system time.
Signals any expired event timer.
@ -229,40 +161,65 @@ CoreCheckTimers (
/**
Inserts the timer event.
@param Event Points to the internal structure of timer event
to be installed
Initializes timer support.
**/
VOID
CoreInsertEventTimer (
IN IEVENT *Event
CoreInitializeTimer (
VOID
)
{
UINT64 TriggerTime;
LIST_ENTRY *Link;
IEVENT *Event2;
EFI_STATUS Status;
ASSERT_LOCKED (&mEfiTimerLock);
Status = CoreCreateEvent (
EVT_NOTIFY_SIGNAL,
TPL_HIGH_LEVEL - 1,
CoreCheckTimers,
NULL,
&mEfiCheckTimerEvent
);
ASSERT_EFI_ERROR (Status);
}
/**
Called by the platform code to process a tick.
@param Duration The number of 100ns elasped since the last call
to TimerTick
**/
VOID
EFIAPI
CoreTimerTick (
IN UINT64 Duration
)
{
IEVENT *Event;
//
// Get the timer's trigger time
// Check runtiem flag in case there are ticks while exiting boot services
//
TriggerTime = Event->u.Timer.TriggerTime;
CoreAcquireLock (&mEfiSystemTimeLock);
//
// Insert the timer into the timer database in assending sorted order
// Update the system time
//
for (Link = mEfiTimerList.ForwardLink; Link != &mEfiTimerList; Link = Link->ForwardLink) {
Event2 = CR (Link, IEVENT, u.Timer.Link, EVENT_SIGNATURE);
mEfiSystemTime += Duration;
if (Event2->u.Timer.TriggerTime > TriggerTime) {
break;
//
// If the head of the list is expired, fire the timer event
// to process it
//
if (!IsListEmpty (&mEfiTimerList)) {
Event = CR (mEfiTimerList.ForwardLink, IEVENT, u.Timer.Link, EVENT_SIGNATURE);
if (Event->u.Timer.TriggerTime <= mEfiSystemTime) {
CoreSignalEvent (mEfiCheckTimerEvent);
}
}
InsertTailList (Link, &Event->u.Timer.Link);
CoreReleaseLock (&mEfiSystemTimeLock);
}