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126 Chapter 4
DXE Phase POST Code Table:
PEI_PROGRAM_CLOCK_GEN PEI 7A Clock Generator Initialization
PEI_IGD_EARLY_INITIAL PEI 7B Internal Graphic device early
Initialization
PEI_HECI_INIT PEI 7C HECI Initialization
PEI_WATCHDOG_INIT PEI 7D Watchdog timer Initialization
PEI_MEMORY_INIT PEI 7E Memory Initial for Normal boot.
PEI_MEMORY_INIT_FOR_CRISIS PEI 7F Memory Initial for Crisis Recovery
PEI_MEMORY_INSTALL PEI 80 Simple Memory test
PEI_TXTPEI PEI 81 TXT function early Initialization
PEI_SWITCH_STACK PEI 82 Start to use Memory
PEI_MEMORY_CALLBACK PEI 83 Set cache for physical memory
PEI_ENTER_RECOVERY_MODE PEI 84 Recovery device Initialization
PEI_RECOVERY_MEDIA_FOUND PEI 85 Found Recovery image
PEI_RECOVERY_MEDIA_NOT_FOUND PEI 86 Recovery image not found
PEI_RECOVERY_LOAD_FILE_DONE PEI 87 Load Recovery Image completed
PEI_RECOVERY_START_FLASH PEI 88 Start Flash BIOS with Recovery
image
PEI_ENTER_DXEIPL PEI 89 Loading BIOS image to RAM
PEI_FINDING_DXE_CORE PEI 8A Loading DXE core
PEI_GO_TO_DXE_CORE PEI 8B Enter DXE core
Functionality Name (Include\
PostCode.h)
Phase PostCode Description
DXE_TCGDXE DXE 40 TPM initial in DXE
DXE_SB_SPI_INIT DXE 41 South bridge SPI initialization
DXE_CF9_RESET DXE 42 Setup Reset service
DXE_SB_SERIAL_GPIO_INIT DXE 43 South bridge Serial GPIO
initialization
DXE_SMMACCESS DXE 44 Setup SMM ACCE SS service
DXE_SIO_INIT DXE 46 Super I/O DXE initialization
DXE_LEGACY_REGION DXE 47 Setup Legacy Region service
DXE_IDENTIFY_FLASH_DEVICE DXE 49 Identify Flash device
DXE_FTW_INIT DXE 4A Fault Tolerant Write verification
DXE_VARIABLE_INIT DXE 4B Variable Service initialization
DXE_VARIABLE_INIT_FAIL DXE 4C Fail to initial Variable Service
DXE_MTC_INIT DXE 4D MTC Initial
DXE_CPU_INIT DXE 4E CPU Middle Initialization
DXE_MP_CPU_INIT DXE 4F Multi-processor
MiddleInitialization
DXE_SMBUS_INIT DXE 50 SMBUS Driver Initialization
DXE_SMART_TIMER_INIT DXE 51 8259 Initialization
DXE_PCRTC_INIT DXE 52 RTC Initialization
DXE_SATA_INIT DXE 53 SATA Controller earlyInitialization
Functionality Name (Include\
PostCode.h)
Phase
Post
Code
Description