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UefiCpuPkg/CpuMpPei: Implementation of PeiSwitchBSP ()

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Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jeff Fan <jeff.fan@intel.com>
Reviewed-by: Feng Tian <feng.tian@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18010 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Jeff Fan
2015-07-15 03:44:16 +00:00
committed by vanjeff
parent d11bbfff1f
commit 3798f35133
9 changed files with 579 additions and 0 deletions
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12
UefiCpuPkg/CpuMpPei/CpuMpPei.h
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@@ -58,6 +58,16 @@ typedef struct {
UINTN RendezvousFunnelSize;
} MP_ASSEMBLY_ADDRESS_MAP;
//
// CPU exchange information for switch BSP
//
typedef struct {
UINT8 State; // offset 0
UINTN StackPointer; // offset 4 / 8
IA32_DESCRIPTOR Gdtr; // offset 8 / 16
IA32_DESCRIPTOR Idtr; // offset 14 / 26
} CPU_EXCHANGE_ROLE_INFO;
typedef struct _PEI_CPU_MP_DATA PEI_CPU_MP_DATA;
#pragma pack()
@@ -124,6 +134,8 @@ struct _PEI_CPU_MP_DATA {
UINTN ApFunctionArgument;
volatile UINT32 FinishedCount;
BOOLEAN InitFlag;
CPU_EXCHANGE_ROLE_INFO BSPInfo;
CPU_EXCHANGE_ROLE_INFO APInfo;
MTRR_SETTINGS MtrrTable;
PEI_CPU_DATA *CpuData;
volatile MP_CPU_EXCHANGE_INFO *MpCpuExchangeInfo;