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Apply HighBitSet() in MDE baseLib to retire the internal function CoreHighestSetBit(). 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5920 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
qhuang8 2008-09-17 13:35:14 +00:00
parent 2ce854f515
commit e676c4d0c6
2 changed files with 2 additions and 46 deletions
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14
MdeModulePkg/Core/Dxe/Event.h
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@ -84,20 +84,6 @@ CoreDispatchEventNotifies (
/**
Return the highest set bit.
@param Number The value to check
@return Bit position of the highest set bit
**/
UINTN
CoreHighestSetBit (
IN UINTN Number
);
//
// Exported functions
//

34
MdeModulePkg/Core/Dxe/Event/Tpl.c
View File

@ -35,35 +35,6 @@ CoreSetInterruptState (
}
}
//
// Return the highest set bit
//
/**
Return the highest set bit.
@param Number The value to check
@return Bit position of the highest set bit
**/
UINTN
CoreHighestSetBit (
IN UINTN Number
)
{
UINTN Msb;
Msb = 31;
while ((Msb > 0) && ((Number & (UINTN)(1 << Msb)) == 0)) {
Msb--;
}
return Msb;
}
/**
Raise the task priority level to the new level.
@ -135,9 +106,8 @@ CoreRestoreTpl (
//
// Dispatch any pending events
//
while ((-2 << NewTpl) & gEventPending) {
gEfiCurrentTpl = CoreHighestSetBit (gEventPending);
while (((-2 << NewTpl) & gEventPending) != 0) {
gEfiCurrentTpl = HighBitSet64 (gEventPending);
if (gEfiCurrentTpl < TPL_HIGH_LEVEL) {
CoreSetInterruptState (TRUE);
}