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Add 3 macros to manager Timer events. 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6563 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
qhuang8 2008-11-17 14:21:43 +00:00
parent 8dd2a792d6
commit 52ca0d9816
1 changed files with 41 additions and 0 deletions
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41
MdePkg/Include/Library/UefiLib.h
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@ -29,6 +29,8 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#include <Protocol/DriverDiagnostics.h>
#include <Protocol/DriverDiagnostics2.h>
#include <Library/BaseLib.h>
///
/// Unicode String Table
///
@ -56,6 +58,45 @@ typedef struct {
} EFI_LOCK;
/**
Macro that returns the number of 100 ns units for a specified number of microseconds.
Useful for managing EFI timer events.
@param Microseconds Number of microseonds.
@return The number of 100 ns units equivalent to the number of microseconds specified
by Microseconds.
**/
#define EFI_TIMER_PERIOD_MICROSECONDS(Microseconds) MultU64x32((UINT64)(Microseconds), 10)
/**
Macro that returns the number of 100 ns units for a specified number of milliseoconds.
Useful for managing EFI timer events.
@param Milliseconds Number of milliseconds.
@return The number of 100 ns units equivalent to the number of milliseconds specified
by Milliseconds.
**/
#define EFI_TIMER_PERIOD_MILLISECONDS(Milliseconds) MultU64x32((UINT64)(Milliseconds), 10000)
/**
Macro that returns the number of 100 ns units for a specified number of seoconds.
Useful for managing EFI timer events.
@param Seconds Number of seconds.
@return The number of 100 ns units equivalent to the number of seconds specified
by Seconds.
**/
#define EFI_TIMER_PERIOD_SECONDS(Seconds) MultU64x32((UINT64)(Seconds), 10000000)
/**
This function searches the list of configuration tables stored in the EFI System
Table for a table with a GUID that matches TableGuid. If a match is found,