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Main Flow Chart.SEC.PEI.DXE.BDS流程图及详细功能介绍.SEC Elink - SECCoreAtPowerOn.PEI Elink - PeiCoreInitialize.PEI Elink - FV_BB. PEI Elink -PeiCoreMemoryInstalled.Pre-EFI Initialization (PEI) phase...
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1-800-U-BUY-AMI
Confidential PresentationAmerican Megatrends, Inc. Copyright ©2007
www.ami.com
Aptio code Main Flow Chart
AMI Taiwan
Confidential Presentation – NDA Terms Apply
1-800-U-BUY-AMI
Confidential PresentationAmerican Megatrends, Inc. Copyright ©2007
www.ami.com
SEC Phase
Startup32.a
sm
Switch to
Protect
Mode
Cache As
RAM(CAR)
Sec Phase eLink
(SECCoreAtPowerOn)
Pass control
to PeiCore
SECCPU_EarlyInit
SECSB_EarlyInit
SECB_EarlyInit
F000:FFF0
1-800-U-BUY-AMI
Confidential PresentationAmerican Megatrends, Inc. Copyright ©2007
www.ami.com
PEI Phase
Check PEI Memory install pass
Initialize PeiService
Initialize HOB
PeiCoreInitialize
ELink:
PeiCoreInitialize
CpuIoInit,\
PciCfgInit,\
PeiInitNV,\
PeiSioInit,\
ReportFvEntryPoint,
ELink:
PeiCoreMemoryInstalled
PeiInitDxeIpl
Dispatcher (): PeiMs include in FV_BB
CPUPEI.ffs
NBPEI.ffs
SBPEI.ffs
PEI Phase
(PeiMain.c)
PEI Core before
Memory init
Pei Core In Memory
Pass control to
DXE IPL
(DXEIPL.C)
Check system
Boot mode
1-800-U-BUY-AMI
Confidential PresentationAmerican Megatrends, Inc. Copyright ©2007
www.ami.com
DXE Phase
DXE Phase
(DxeMain.C)
Init Memory Service
Init System Table
Create Config Table
Init Library
Init GCD Service
Init Protocol Service
Init Modules inherited from PEI
Init Image Service
Add Resource to GCD
Init Event Service
Init Firmware Volume Protocol
Init Dispatcher
Init Arch Protocol otification
Init DXE Core SubComponent
Elink : DxeCoreInitialize
BdsInit,\
InitBootScript,\
PciBusEntryPoint,\
InitDataHub,\
UnicodeCollationEntryPoint,\
HiiDbEntryPoint,\
DiskIoEntryPoint,\
GCEntryPoint,\
CSEntryPoint,\
PartitionEntryPoint,\
PS2CtlEntryPoint,\
IdeBusEntryPoint,\
AmiSioEntryPoint,
Dispatcher (): DXE Drivers included
in FV_MAI
CPU.ffs chipset.ffs SMBIOS.ffs
ACPI.ffs OEMEM.ffs CSM.ffs
Pass Control
to BDS
DXE Core Services init
1-800-U-BUY-AMI
Confidential PresentationAmerican Megatrends, Inc. Copyright ©2007
www.ami.com
BDS Phase
BDS Entry (BDS.C)
Dispatch device
handles
MRCHandshake
(MiniSetup)
Emuerate PCI BUS and create handles
Connect Consoles
Find the HII DB and load string
CreateDefaultBootOptions (xxx)
ConnectEverything();
InitConVars();
InitBbs();
before boot call dispatcher again.
MREHandshake()
SetupMenu
(In MiniSetup module
Boot to EFI Shell.efi
Call CSM
legacy16.bin and
boot to Legacy
OS
ReadlyBoot
event
LegacyBoot event
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