/** @file\r
Common header file for MP Initialize Library.\r
\r
- Copyright (c) 2016 - 2017, Intel Corporation. All rights reserved.<BR>\r
+ Copyright (c) 2016 - 2018, Intel Corporation. All rights reserved.<BR>\r
This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution. The full text of the license may be found at\r
UINTN Dr3;\r
UINTN Dr6;\r
UINTN Dr7;\r
+ IA32_DESCRIPTOR Gdtr;\r
+ IA32_DESCRIPTOR Idtr;\r
+ UINT16 Tr;\r
} CPU_VOLATILE_REGISTERS;\r
\r
//\r
UINTN RendezvousFunnelSize;\r
UINT8 *RelocateApLoopFuncAddress;\r
UINTN RelocateApLoopFuncSize;\r
+ UINTN ModeTransitionOffset;\r
} MP_ASSEMBLY_ADDRESS_MAP;\r
\r
typedef struct _CPU_MP_DATA CPU_MP_DATA;\r
IA32_DESCRIPTOR IdtrProfile;\r
UINTN BufferStart;\r
UINTN ModeOffset;\r
- UINTN NumApsExecuting;\r
+ UINTN ApIndex;\r
UINTN CodeSegment;\r
UINTN DataSegment;\r
UINTN EnableExecuteDisable;\r
UINTN Cr3;\r
UINTN InitFlag;\r
CPU_INFO_IN_HOB *CpuInfo;\r
+ UINTN NumApsExecuting;\r
CPU_MP_DATA *CpuMpData;\r
UINTN InitializeFloatingPointUnitsAddress;\r
+ UINT32 ModeTransitionMemory;\r
+ UINT16 ModeTransitionSegment;\r
+ UINT32 ModeHighMemory;\r
+ UINT16 ModeHighSegment;\r
} MP_CPU_EXCHANGE_INFO;\r
\r
#pragma pack()\r
UINTN CpuApStackSize;\r
MP_ASSEMBLY_ADDRESS_MAP AddressMap;\r
UINTN WakeupBuffer;\r
+ UINTN WakeupBufferHigh;\r
UINTN BackupBuffer;\r
UINTN BackupBufferSize;\r
\r
IN UINTN WakeupBufferSize\r
);\r
\r
+/**\r
+ Get available EfiBootServicesCode memory below 4GB by specified size.\r
+\r
+ This buffer is required to safely transfer AP from real address mode to\r
+ protected mode or long mode, due to the fact that the buffer returned by\r
+ GetWakeupBuffer() may be marked as non-executable.\r
+\r
+ @param[in] BufferSize Wakeup transition buffer size.\r
+\r
+ @retval other Return wakeup transition buffer address below 4GB.\r
+ @retval 0 Cannot find free memory below 4GB.\r
+**/\r
+UINTN\r
+GetModeTransitionBuffer (\r
+ IN UINTN BufferSize\r
+ );\r
+\r
/**\r
This function will be called by BSP to wakeup AP.\r
\r
enabled AP. Otherwise, it will be disabled.\r
\r
@retval EFI_SUCCESS BSP successfully switched.\r
- @retval others Failed to switch BSP. \r
+ @retval others Failed to switch BSP.\r
\r
**/\r
EFI_STATUS\r