mirror of https://github.com/acidanthera/audk.git
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
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@ -15,47 +15,6 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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#include "DxeMain.h"
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#include "DxeMain.h"
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//
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// Internal prototypes
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//
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/**
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Returns the current system time.
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@return The current system time
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**/
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UINT64
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CoreCurrentSystemTime (
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VOID
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);
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/**
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Checks the sorted timer list against the current system time.
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Signals any expired event timer.
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@param CheckEvent Not used
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@param Context Not used
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**/
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VOID
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EFIAPI
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CoreCheckTimers (
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IN EFI_EVENT CheckEvent,
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IN VOID *Context
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);
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/**
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Inserts the timer event.
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@param Event Points to the internal structure of timer event
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to be installed
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**/
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VOID
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CoreInsertEventTimer (
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IN IEVENT *Event
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);
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//
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//
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// Internal data
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// Internal data
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//
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//
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@ -71,26 +30,41 @@ UINT64 mEfiSystemTime = 0;
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// Timer functions
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// Timer functions
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//
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//
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/**
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/**
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Initializes timer support.
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Inserts the timer event.
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@param Event Points to the internal structure of timer event
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to be installed
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**/
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**/
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VOID
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VOID
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CoreInitializeTimer (
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CoreInsertEventTimer (
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VOID
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IN IEVENT *Event
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)
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)
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{
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{
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EFI_STATUS Status;
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UINT64 TriggerTime;
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LIST_ENTRY *Link;
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IEVENT *Event2;
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Status = CoreCreateEvent (
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ASSERT_LOCKED (&mEfiTimerLock);
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EVT_NOTIFY_SIGNAL,
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TPL_HIGH_LEVEL - 1,
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//
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CoreCheckTimers,
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// Get the timer's trigger time
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NULL,
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//
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&mEfiCheckTimerEvent
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TriggerTime = Event->u.Timer.TriggerTime;
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);
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ASSERT_EFI_ERROR (Status);
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//
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// Insert the timer into the timer database in assending sorted order
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//
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for (Link = mEfiTimerList.ForwardLink; Link != &mEfiTimerList; Link = Link->ForwardLink) {
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Event2 = CR (Link, IEVENT, u.Timer.Link, EVENT_SIGNATURE);
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if (Event2->u.Timer.TriggerTime > TriggerTime) {
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break;
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}
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}
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}
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InsertTailList (Link, &Event->u.Timer.Link);
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}
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/**
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/**
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Returns the current system time.
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Returns the current system time.
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@ -112,48 +86,6 @@ CoreCurrentSystemTime (
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return SystemTime;
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return SystemTime;
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}
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}
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/**
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Called by the platform code to process a tick.
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@param Duration The number of 100ns elasped since the last call
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to TimerTick
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**/
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VOID
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EFIAPI
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CoreTimerTick (
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IN UINT64 Duration
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)
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{
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IEVENT *Event;
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//
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// Check runtiem flag in case there are ticks while exiting boot services
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//
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CoreAcquireLock (&mEfiSystemTimeLock);
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//
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// Update the system time
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//
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mEfiSystemTime += Duration;
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//
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// If the head of the list is expired, fire the timer event
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// to process it
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//
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if (!IsListEmpty (&mEfiTimerList)) {
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Event = CR (mEfiTimerList.ForwardLink, IEVENT, u.Timer.Link, EVENT_SIGNATURE);
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if (Event->u.Timer.TriggerTime <= mEfiSystemTime) {
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CoreSignalEvent (mEfiCheckTimerEvent);
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}
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}
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CoreReleaseLock (&mEfiSystemTimeLock);
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}
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/**
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/**
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Checks the sorted timer list against the current system time.
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Checks the sorted timer list against the current system time.
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Signals any expired event timer.
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Signals any expired event timer.
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@ -229,40 +161,65 @@ CoreCheckTimers (
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/**
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/**
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Inserts the timer event.
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Initializes timer support.
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@param Event Points to the internal structure of timer event
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to be installed
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**/
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**/
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VOID
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VOID
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CoreInsertEventTimer (
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CoreInitializeTimer (
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IN IEVENT *Event
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VOID
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)
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)
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{
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{
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UINT64 TriggerTime;
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EFI_STATUS Status;
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LIST_ENTRY *Link;
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IEVENT *Event2;
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ASSERT_LOCKED (&mEfiTimerLock);
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Status = CoreCreateEvent (
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EVT_NOTIFY_SIGNAL,
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TPL_HIGH_LEVEL - 1,
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CoreCheckTimers,
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NULL,
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&mEfiCheckTimerEvent
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);
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ASSERT_EFI_ERROR (Status);
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}
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/**
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Called by the platform code to process a tick.
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@param Duration The number of 100ns elasped since the last call
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to TimerTick
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**/
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VOID
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EFIAPI
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CoreTimerTick (
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IN UINT64 Duration
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)
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{
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IEVENT *Event;
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//
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//
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// Get the timer's trigger time
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// Check runtiem flag in case there are ticks while exiting boot services
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//
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//
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TriggerTime = Event->u.Timer.TriggerTime;
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CoreAcquireLock (&mEfiSystemTimeLock);
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//
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//
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// Insert the timer into the timer database in assending sorted order
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// Update the system time
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//
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//
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for (Link = mEfiTimerList.ForwardLink; Link != &mEfiTimerList; Link = Link->ForwardLink) {
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mEfiSystemTime += Duration;
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Event2 = CR (Link, IEVENT, u.Timer.Link, EVENT_SIGNATURE);
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if (Event2->u.Timer.TriggerTime > TriggerTime) {
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//
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break;
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// If the head of the list is expired, fire the timer event
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// to process it
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//
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if (!IsListEmpty (&mEfiTimerList)) {
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Event = CR (mEfiTimerList.ForwardLink, IEVENT, u.Timer.Link, EVENT_SIGNATURE);
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if (Event->u.Timer.TriggerTime <= mEfiSystemTime) {
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CoreSignalEvent (mEfiCheckTimerEvent);
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}
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}
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}
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}
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InsertTailList (Link, &Event->u.Timer.Link);
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CoreReleaseLock (&mEfiSystemTimeLock);
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}
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}
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