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/** @file
Definitions to install Multiple Processor PPI.
Copyright (c) 2015, 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 _CPU_MP_PEI_H_
#define _CPU_MP_PEI_H_
#include <PiPei.h>
#include <Ppi/SecPlatformInformation.h>
#include <Library/BaseLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/DebugLib.h>
#include <Library/HobLib.h>
#include <Library/LocalApicLib.h>
#include <Library/PcdLib.h>
#include <Library/PeimEntryPoint.h>
#include <Library/PeiServicesLib.h>
#include <Library/UefiCpuLib.h>
//
// AP state
//
typedef enum {
CpuStateIdle,
CpuStateBusy,
CpuStateDisabled
} CPU_STATE;
//
// AP reset code information
//
typedef struct {
UINT8 *RendezvousFunnelAddress;
UINTN PModeEntryOffset;
UINTN LModeEntryOffset;
UINTN RendezvousFunnelSize;
} MP_ASSEMBLY_ADDRESS_MAP;
typedef struct _PEI_CPU_MP_DATA PEI_CPU_MP_DATA;
#pragma pack()
typedef union {
struct {
UINT32 LimitLow : 16;
UINT32 BaseLow : 16;
UINT32 BaseMid : 8;
UINT32 Type : 4;
UINT32 System : 1;
UINT32 Dpl : 2;
UINT32 Present : 1;
UINT32 LimitHigh : 4;
UINT32 Software : 1;
UINT32 Reserved : 1;
UINT32 DefaultSize : 1;
UINT32 Granularity : 1;
UINT32 BaseHigh : 8;
} Bits;
UINT64 Uint64;
} IA32_GDT;
//
// MP CPU exchange information for AP reset code
//
typedef struct {
UINTN Lock;
UINTN StackStart;
UINTN StackSize;
UINTN CFunction;
IA32_DESCRIPTOR GdtrProfile;
IA32_DESCRIPTOR IdtrProfile;
UINTN BufferStart;
UINTN PmodeOffset;
UINTN NumApsExecuting;
UINTN LmodeOffset;
UINTN Cr3;
} MP_CPU_EXCHANGE_INFO;
#pragma pack()
typedef struct {
UINT32 ApicId;
EFI_HEALTH_FLAGS Health;
CPU_STATE State;
BOOLEAN CpuHealthy;
} PEI_CPU_DATA;
//
// PEI CPU MP Data save in memory
//
struct _PEI_CPU_MP_DATA {
UINT32 CpuCount;
UINT32 BspNumber;
UINTN Buffer;
UINTN CpuApStackSize;
MP_ASSEMBLY_ADDRESS_MAP AddressMap;
UINTN WakeupBuffer;
UINTN BackupBuffer;
UINTN BackupBufferSize;
PEI_CPU_DATA *CpuData;
volatile MP_CPU_EXCHANGE_INFO *MpCpuExchangeInfo;
};
/**
Assembly code to get starting address and size of the rendezvous entry for APs.
Information for fixing a jump instruction in the code is also returned.
@param AddressMap Output buffer for address map information.
**/
VOID
EFIAPI
AsmGetAddressMap (
OUT MP_ASSEMBLY_ADDRESS_MAP *AddressMap
);
/**
Assembly code to load GDT table and update segment accordingly.
@param Gdtr Pointer to GDT descriptor
**/
VOID
EFIAPI
AsmInitializeGdt (
IN IA32_DESCRIPTOR *Gdtr
);
#endif
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