mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-02 13:03:28 +01:00
373 lines
9.4 KiB
C
Executable File
373 lines
9.4 KiB
C
Executable File
/** @file
|
|
Public include file for Local APIC library.
|
|
|
|
Local APIC library assumes local APIC is enabled. It does not
|
|
handles cases where local APIC is disabled.
|
|
|
|
Copyright (c) 2010 - 2011, Intel Corporation. All rights reserved.<BR>
|
|
This program and the accompanying materials
|
|
are licensed and made available under the terms and conditions of the BSD License
|
|
which accompanies this distribution. The full text of the license may be found at
|
|
http://opensource.org/licenses/bsd-license.php
|
|
|
|
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
|
|
|
**/
|
|
|
|
#ifndef __LOCAL_APIC_LIB_H__
|
|
#define __LOCAL_APIC_LIB_H__
|
|
|
|
#define LOCAL_APIC_MODE_XAPIC 0x1 ///< xAPIC mode.
|
|
#define LOCAL_APIC_MODE_X2APIC 0x2 ///< x2APIC mode.
|
|
|
|
/**
|
|
Get the current local APIC mode.
|
|
|
|
If local APIC is disabled, then ASSERT.
|
|
|
|
@retval LOCAL_APIC_MODE_XAPIC current APIC mode is xAPIC.
|
|
@retval LOCAL_APIC_MODE_X2APIC current APIC mode is x2APIC.
|
|
**/
|
|
UINTN
|
|
EFIAPI
|
|
GetApicMode (
|
|
VOID
|
|
);
|
|
|
|
/**
|
|
Set the current local APIC mode.
|
|
|
|
If the specified local APIC mode is not valid, then ASSERT.
|
|
If the specified local APIC mode can't be set as current, then ASSERT.
|
|
|
|
@param ApicMode APIC mode to be set.
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
SetApicMode (
|
|
IN UINTN ApicMode
|
|
);
|
|
|
|
/**
|
|
Get the initial local APIC ID of the executing processor assigned by hardware upon power on or reset.
|
|
|
|
In xAPIC mode, the initial local APIC ID is 8-bit, and may be different from current APIC ID.
|
|
In x2APIC mode, the local APIC ID can't be changed and there is no concept of initial APIC ID. In this case,
|
|
the 32-bit local APIC ID is returned as initial APIC ID.
|
|
|
|
@return 32-bit initial local APIC ID of the executing processor.
|
|
**/
|
|
UINT32
|
|
EFIAPI
|
|
GetInitialApicId (
|
|
VOID
|
|
);
|
|
|
|
/**
|
|
Get the local APIC ID of the executing processor.
|
|
|
|
@return 32-bit local APIC ID of the executing processor.
|
|
**/
|
|
UINT32
|
|
EFIAPI
|
|
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.
|
|
|
|
This function returns after the IPI has been accepted by the target processor.
|
|
|
|
@param ApicId Specify the local APIC ID of the target processor.
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
SendSmiIpi (
|
|
IN UINT32 ApicId
|
|
);
|
|
|
|
/**
|
|
Send a SMI IPI to all processors excluding self.
|
|
|
|
This function returns after the IPI has been accepted by the target processors.
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
SendSmiIpiAllExcludingSelf (
|
|
VOID
|
|
);
|
|
|
|
/**
|
|
Send an INIT IPI to a specified target processor.
|
|
|
|
This function returns after the IPI has been accepted by the target processor.
|
|
|
|
@param ApicId Specify the local APIC ID of the target processor.
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
SendInitIpi (
|
|
IN UINT32 ApicId
|
|
);
|
|
|
|
/**
|
|
Send an INIT IPI to all processors excluding self.
|
|
|
|
This function returns after the IPI has been accepted by the target processors.
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
SendInitIpiAllExcludingSelf (
|
|
VOID
|
|
);
|
|
|
|
/**
|
|
Send an INIT-Start-up-Start-up IPI sequence to a specified target processor.
|
|
|
|
This function returns after the IPI has been accepted by the target processor.
|
|
|
|
if StartupRoutine >= 1M, then ASSERT.
|
|
if StartupRoutine is not multiple of 4K, then ASSERT.
|
|
|
|
@param ApicId Specify the local APIC ID of the target processor.
|
|
@param StartupRoutine Points to a start-up routine which is below 1M physical
|
|
address and 4K aligned.
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
SendInitSipiSipi (
|
|
IN UINT32 ApicId,
|
|
IN UINT32 StartupRoutine
|
|
);
|
|
|
|
/**
|
|
Send an INIT-Start-up-Start-up IPI sequence to all processors excluding self.
|
|
|
|
This function returns after the IPI has been accepted by the target processors.
|
|
|
|
if StartupRoutine >= 1M, then ASSERT.
|
|
if StartupRoutine is not multiple of 4K, then ASSERT.
|
|
|
|
@param StartupRoutine Points to a start-up routine which is below 1M physical
|
|
address and 4K aligned.
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
SendInitSipiSipiAllExcludingSelf (
|
|
IN UINT32 StartupRoutine
|
|
);
|
|
|
|
/**
|
|
Programming Virtual Wire Mode.
|
|
|
|
This function programs the local APIC for virtual wire mode following
|
|
the example described in chapter A.3 of the MP 1.4 spec.
|
|
|
|
IOxAPIC is not involved in this type of virtual wire mode.
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
ProgramVirtualWireMode (
|
|
VOID
|
|
);
|
|
|
|
/**
|
|
Disable LINT0 & LINT1 interrupts.
|
|
|
|
This function sets the mask flag in the LVT LINT0 & LINT1 registers.
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
DisableLvtInterrupts (
|
|
VOID
|
|
);
|
|
|
|
/**
|
|
Read the initial count value from the init-count register.
|
|
|
|
@return The initial count value read from the init-count register.
|
|
**/
|
|
UINT32
|
|
EFIAPI
|
|
GetApicTimerInitCount (
|
|
VOID
|
|
);
|
|
|
|
/**
|
|
Read the current count value from the current-count register.
|
|
|
|
@return The current count value read from the current-count register.
|
|
**/
|
|
UINT32
|
|
EFIAPI
|
|
GetApicTimerCurrentCount (
|
|
VOID
|
|
);
|
|
|
|
/**
|
|
Initialize the local APIC timer.
|
|
|
|
The local APIC timer is initialized and enabled.
|
|
|
|
@param DivideValue The divide value for the DCR. It is one of 1,2,4,8,16,32,64,128.
|
|
If it is 0, then use the current divide value in the DCR.
|
|
@param InitCount The initial count value.
|
|
@param PeriodicMode If TRUE, timer mode is peridoic. Othewise, timer mode is one-shot.
|
|
@param Vector The timer interrupt vector number.
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
InitializeApicTimer (
|
|
IN UINTN DivideValue,
|
|
IN UINT32 InitCount,
|
|
IN BOOLEAN PeriodicMode,
|
|
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.
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
EnableApicTimerInterrupt (
|
|
VOID
|
|
);
|
|
|
|
/**
|
|
Disable the local APIC timer interrupt.
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
DisableApicTimerInterrupt (
|
|
VOID
|
|
);
|
|
|
|
/**
|
|
Get the local APIC timer interrupt state.
|
|
|
|
@retval TRUE The local APIC timer interrupt is enabled.
|
|
@retval FALSE The local APIC timer interrupt is disabled.
|
|
**/
|
|
BOOLEAN
|
|
EFIAPI
|
|
GetApicTimerInterruptState (
|
|
VOID
|
|
);
|
|
|
|
/**
|
|
Send EOI to the local APIC.
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
SendApicEoi (
|
|
VOID
|
|
);
|
|
|
|
/**
|
|
Get the 32-bit address that a device should use to send a Message Signaled
|
|
Interrupt (MSI) to the Local APIC of the currently executing processor.
|
|
|
|
@return 32-bit address used to send an MSI to the Local APIC.
|
|
**/
|
|
UINT32
|
|
EFIAPI
|
|
GetApicMsiAddress (
|
|
VOID
|
|
);
|
|
|
|
/**
|
|
Get the 64-bit data value that a device should use to send a Message Signaled
|
|
Interrupt (MSI) to the Local APIC of the currently executing processor.
|
|
|
|
If Vector is not in range 0x10..0xFE, then ASSERT().
|
|
If DeliveryMode is not supported, then ASSERT().
|
|
|
|
@param Vector The 8-bit interrupt vector associated with the MSI.
|
|
Must be in the range 0x10..0xFE
|
|
@param DeliveryMode A 3-bit value that specifies how the recept of the MSI
|
|
is handled. The only supported values are:
|
|
0: LOCAL_APIC_DELIVERY_MODE_FIXED
|
|
1: LOCAL_APIC_DELIVERY_MODE_LOWEST_PRIORITY
|
|
2: LOCAL_APIC_DELIVERY_MODE_SMI
|
|
4: LOCAL_APIC_DELIVERY_MODE_NMI
|
|
5: LOCAL_APIC_DELIVERY_MODE_INIT
|
|
7: LOCAL_APIC_DELIVERY_MODE_EXTINT
|
|
|
|
@param LevelTriggered TRUE specifies a level triggered interrupt.
|
|
FALSE specifies an edge triggered interrupt.
|
|
@param AssertionLevel Ignored if LevelTriggered is FALSE.
|
|
TRUE specifies a level triggered interrupt that active
|
|
when the interrupt line is asserted.
|
|
FALSE specifies a level triggered interrupt that active
|
|
when the interrupt line is deasserted.
|
|
|
|
@return 64-bit data value used to send an MSI to the Local APIC.
|
|
**/
|
|
UINT64
|
|
EFIAPI
|
|
GetApicMsiValue (
|
|
IN UINT8 Vector,
|
|
IN UINTN DeliveryMode,
|
|
IN BOOLEAN LevelTriggered,
|
|
IN BOOLEAN AssertionLevel
|
|
);
|
|
|
|
#endif
|
|
|