tyler.durden
/
audk
mirror of https://github.com/acidanthera/audk.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

UefiCpuPkg/MpInitLib: Initialize CPU_AP_DATA for CPU APs 

Initialize CPU_AP_DATA for CPU APs and add GetApState()/SetApState() helper
functions to get/set AP state.

Cc: Michael Kinney <michael.d.kinney@intel.com>
Cc: Feng Tian <feng.tian@intel.com>
Cc: Giri P Mudusuru <giri.p.mudusuru@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jeff Fan <jeff.fan@intel.com>
Reviewed-by: Michael Kinney <michael.d.kinney@intel.com>
Tested-by: Laszlo Ersek <lersek@redhat.com>
Tested-by: Michael Kinney <michael.d.kinney@intel.com>
This commit is contained in:
Jeff Fan 2016-07-20 23:43:29 +08:00
parent e59f8f6b36
commit 03a1a92515
2 changed files with 88 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

76
UefiCpuPkg/Library/MpInitLib/MpLib.c
View File

@ -14,6 +14,37 @@
#include "MpLib.h"
/**
Get the Application Processors state.
@param[in] CpuData The pointer to CPU_AP_DATA of specified AP
@return The AP status
**/
CPU_STATE
GetApState (
IN CPU_AP_DATA *CpuData
)
{
return CpuData->State;
}
/**
Set the Application Processors state.
@param[in] CpuData The pointer to CPU_AP_DATA of specified AP
@param[in] State The AP status
**/
VOID
SetApState (
IN CPU_AP_DATA *CpuData,
IN CPU_STATE State
)
{
AcquireSpinLock (&CpuData->ApLock);
CpuData->State = State;
ReleaseSpinLock (&CpuData->ApLock);
}
/**
Detect whether Mwait-monitor feature is supported.
@ -74,6 +105,40 @@ GetApLoopMode (
return ApLoopMode;
}
/*
Initialize CPU AP Data when AP is wakeup at the first time.
@param[in, out] CpuMpData Pointer to PEI CPU MP Data
@param[in] ProcessorNumber The handle number of processor
@param[in] BistData Processor BIST data
**/
VOID
InitializeApData (
IN OUT CPU_MP_DATA *CpuMpData,
IN UINTN ProcessorNumber,
IN UINT32 BistData
)
{
CpuMpData->CpuData[ProcessorNumber].Waiting = FALSE;
CpuMpData->CpuData[ProcessorNumber].Health = BistData;
CpuMpData->CpuData[ProcessorNumber].CpuHealthy = (BistData == 0) ? TRUE : FALSE;
CpuMpData->CpuData[ProcessorNumber].ApicId = GetApicId ();
CpuMpData->CpuData[ProcessorNumber].InitialApicId = GetInitialApicId ();
if (CpuMpData->CpuData[ProcessorNumber].InitialApicId >= 0xFF) {
//
// Set x2APIC mode if there are any logical processor reporting
// an Initial APIC ID of 255 or greater.
//
AcquireSpinLock(&CpuMpData->MpLock);
CpuMpData->X2ApicEnable = TRUE;
ReleaseSpinLock(&CpuMpData->MpLock);
}
InitializeSpinLock(&CpuMpData->CpuData[ProcessorNumber].ApLock);
SetApState (&CpuMpData->CpuData[ProcessorNumber], CpuStateIdle);
}
/**
MP Initialize Library initialization.
@ -103,6 +168,7 @@ MpInitLibInitialize (
CPU_MP_DATA *CpuMpData;
UINT8 ApLoopMode;
UINT8 *MonitorBuffer;
UINTN Index;
UINTN ApResetVectorSize;
UINTN BackupBufferAddr;
MaxLogicalProcessorNumber = PcdGet32(PcdCpuMaxLogicalProcessorNumber);
@ -138,6 +204,10 @@ MpInitLibInitialize (
CpuMpData->CpuInfoInHob = (UINT64) (UINTN) (CpuMpData->CpuData + MaxLogicalProcessorNumber);
InitializeSpinLock(&CpuMpData->MpLock);
//
// Set BSP basic information
//
InitializeApData (CpuMpData, 0, 0);
//
// Save assembly code information
//
CopyMem (&CpuMpData->AddressMap, &AddressMap, sizeof (MP_ASSEMBLY_ADDRESS_MAP));
@ -147,6 +217,12 @@ MpInitLibInitialize (
CpuMpData->ApLoopMode = ApLoopMode;
DEBUG ((DEBUG_INFO, "AP Loop Mode is %d\n", CpuMpData->ApLoopMode));
//
// Set up APs wakeup signal buffer
//
for (Index = 0; Index < MaxLogicalProcessorNumber; Index++) {
CpuMpData->CpuData[Index].StartupApSignal =
(UINT32 *)(MonitorBuffer + MonitorFilterSize * Index);
}
// Store BSP's MTRR setting
//
MtrrGetAllMtrrs (&CpuMpData->MtrrTable);

12
UefiCpuPkg/Library/MpInitLib/MpLib.h
View File

@ -54,6 +54,17 @@ typedef enum {
ApInitDone = 3
} AP_INIT_STATE;
//
// AP state
//
typedef enum {
CpuStateIdle,
CpuStateReady,
CpuStateBusy,
CpuStateFinished,
CpuStateDisabled
} CPU_STATE;
//
// AP related data
//
@ -66,6 +77,7 @@ typedef struct {
UINT32 ApicId;
UINT32 Health;
BOOLEAN CpuHealthy;
volatile CPU_STATE State;
BOOLEAN Waiting;
BOOLEAN *Finished;
UINT64 ExpectedTime;