Improve Local APIC library class. Add new library APIs: GetApicVersion(), SendFixedIpi(), SendFixedIpiAllExcludingSelf(), GetApicTimerState(). Remove GetApicTimerDivisor (), its functionality can be covered by GetApicTimerState().

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10824 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
rsun3
2010-08-26 05:58:42 +00:00
parent 2ca7eca448
commit ae40aef1fb
4 changed files with 284 additions and 65 deletions

View File

@@ -75,6 +75,45 @@ GetApicId (
VOID
);
/**
Get the value of the local APIC version register.
@return the value of the local APIC version register.
**/
UINT32
EFIAPI
GetApicVersion (
VOID
);
/**
Send a Fixed IPI to a specified target processor.
This function returns after the IPI has been accepted by the target processor.
@param ApicId The local APIC ID of the target processor.
@param Vector The vector number of the interrupt being sent.
**/
VOID
EFIAPI
SendFixedIpi (
IN UINT32 ApicId,
IN UINT8 Vector
);
/**
Send a Fixed IPI to all processors excluding self.
This function returns after the IPI has been accepted by the target processors.
@param Vector The vector number of the interrupt being sent.
**/
VOID
EFIAPI
SendFixedIpiAllExcludingSelf (
IN UINT8 Vector
);
/**
Send a SMI IPI to a specified target processor.
@@ -173,18 +212,6 @@ ProgramVirtualWireMode (
VOID
);
/**
Get the divide value from the DCR (Divide Configuration Register) by which
the processor's bus clock is divided to form the time base for the APIC timer.
@return The divide value is one of 1,2,4,8,16,32,64,128.
**/
UINTN
EFIAPI
GetApicTimerDivisor (
VOID
);
/**
Read the initial count value from the init-count register.
@@ -227,6 +254,21 @@ InitializeApicTimer (
IN UINT8 Vector
);
/**
Get the state of the local APIC timer.
@param DivideValue Return the divide value for the DCR. It is one of 1,2,4,8,16,32,64,128.
@param PeriodicMode Return the timer mode. If TRUE, timer mode is peridoic. Othewise, timer mode is one-shot.
@param Vector Return the timer interrupt vector number.
**/
VOID
EFIAPI
GetApicTimerState (
OUT UINTN *DivideValue OPTIONAL,
OUT BOOLEAN *PeriodicMode OPTIONAL,
OUT UINT8 *Vector OPTIONAL
);
/**
Enable the local APIC timer interrupt.
**/