Troubleshooting 4-27
BDS_LEGACY16_PREPARE_TO_BOOT BDS 31 Prepare to Boot to
Legacy OS
BDS_EXIT_BOOT_SERVICES* BDS 32 Send END of POST
Message to ME via
HECI
BDS_LEGACY_BOOT_EVENT BDS 33 Last Chipset initial
before boot to Legacy
OS.
BDS_ENTER_LEGACY_16_BOOT BDS 34 Ready to Boot Legacy
OS.
BDS_RECOVERY_START_FLASH BDS 35 Fast Recovery Start
Flash.
* 3
rd
party relate functions – Platform dependence.
Functionality Name (Include\ PostCode.h) Phase Post
Code
Description
POST_BDS_NO_BOOT_DEVICE POST_BDS F9 No Boot Device
POST_BDS_START_IMAGE POST_BDS FB UEFI Boot Start Image
POST_BDS_ENTER_INTI9 POST_BDS FD Legacy 16 boot entry
POST_BDS_BOOT_SECTOR POST_BDS FE Try to Boot with INT 19
Functionality Name (Include\ PostCode.h) Phase Post
Code
Description
S3_RESTORE_MEMORY_CONTROLLER PEI C0 Memory initial for S3
resume
S3_INSTALL_S3_MEMORY PEI C1 Get S3 resume required
data from memory
S3_SWITCH_STACK PEI C2 Start to use memory during
S3 resume
S3_MEMORY_CALLBACK PEI C3 Set cache for physical
memory during S3 resume
S3_ENTER_S3_RESUME_PEIM PEI C4 Start to restore system
configuration
S3_BEFORE_ACPI_BOOT_SCRIPT PEI C5 Restore system
configuration stage1
S3_BEFORE_RUNTIME_BOOT_SCRIPT PEI C6 Restore system
configuration stage2
Functionality Name (Include\PostCode.h) Phase Post
Code
Description