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Ajax Dong
SmiFlashDxe
Function Table
| Address | Name | Description | |
|---|---|---|---|
| ReadUnaligned64 | |||
| IsHobGuidMatch | |||
| DebugPrintWithLevel | |||
| DebugAssert | |||
| UefiBootServicesTableLibConstructor | |||
| SmiFlashEntryPoint | |||
| ModuleEntryPoint | |||
| SmiHandlerFlashUnregister | |||
| SmiHandlerUnload | |||
| Global | Variables (.data section, zero-initialized) | ||
| At | 0x3030. Called in sequence from SmiFlashEntryPoint. | ||
| Library | Support Functions (linked from BaseLib / BaseMemoryLib) | ||
| Align | to 4-byte boundary | ||
| Fill | 4-byte chunks | ||
| Remaining | bytes | ||
| Check | for overlap: if Source < Destination and overlap exists | ||
| copy | from end to avoid corruption. | ||
| For | small copies or overlapping alignment, go byte-by-byte | ||
| Align | both pointers to 8-byte boundary | ||
| Copy | 8-byte aligned chunks | ||
| Library | Support: HobLib | ||
| Handle | unaligned head | ||
| Compare | in 8-byte words | ||
| Remaining | byte comparison | ||
| HOB | GUID low half | ||
| HOB | GUID high half | ||
| Target | low half | ||
| Target | high half (duplicate) | ||
| SMM | Debug Protocol (library-level support) | ||
| Read | debug level from CMOS | ||
| Boot | Services Table Constructor | ||
| Save | secondary copies for SMI handler management | ||
| Create | cleanup event | ||
| Register | protocol notify for SMM base protocol | ||
| SMI | Handler Entry Point | ||
| Store | SystemTable locally if not already done | ||
| Scan | configuration table for flash descriptor HOB | ||
| The | HOB table is stored as a flat array accessible via the | ||
| SMM | System Table configuration table. | ||
| RegionType | = 0; | ||
| Walk | HOB entries looking for FLASH_DESCRIPTOR_HOB_GUID | ||
| Only | proceed if flash region is 1MB (0x12) or 2MB (0x20) | ||
| if | **(RegionType == FLASH_REGION_SIZE_1MB | ** | |
| Allocate | and zero SMM communication buffer | ||
| CommBuffer | = NULL; | ||
| Register | "SFPFREC" SMI handler | ||
| RuntimeServices | + 0x58 = SmiHandlerRegister | ||
| SmiHandlerRegister | varargs call chain. | ||
| Call | all registered init callbacks | ||
| Entry | Point (ModuleEntryPoint) | ||
| Call | library constructor to initialize service table pointers | ||
| UefiBootServicesTableLibConstructor | (ImageHandle, SystemTable); | ||
| Call | main SMM flash entry point | ||
| Status | = SmiFlashEntryPoint (ImageHandle, SystemTable); | ||
| If | entry point failed, clean up events | ||
| if | (EFI_ERROR (Status)) { | ||
| SMI | Handler Callbacks | ||
| RuntimeServices | + 0x40 = SmiHandlerUnRegister | ||
| if | (gRuntimeServicesUnreg != NULL) { |
Generated by HR650X BIOS Decompilation Project