| # How to generate Microcode FMP from Microcode TXT file | |
| 1) Copy directory `UefiCpuPkg/Feature/Capsule/MicrocodeUpdateTxt` to `<Your Platform Package>/MicrocodeUpdateTxt` | |
| 2) Copy microcode TXT file to`<Your Platform Package>/MicrocodeUpdateTxt/Microcode` | |
| 3) Uncomment and update statement in `[Sources]` section of `<Your Platform Package>/MicrocodeUpdateTxt/Microcode/Microcode.inf` with name of Microcode TXT file copied in previous step. | |
| [Sources] | |
| <Your Microcode TXT file> | |
| Uncomment and update `FILE DATA` statement in `<Your Platform Package>/MicrocodeUpdateTxt/MicrocodeCapsuleTxt.fdf` with path to a Microcode MCB file. The MCB file is placed in `$(WORKSPACE)/$(OUTPUT_DIRECTORY)/$(TARGET)_$(TOOL_CHAIN_TAG)/IA32/<Your Platform Package>/MicrocodeUpdateTxt/Microcode/Microcode/OUTPUT/`. | |
| `FILE DATA = <your Microcode MCB file path>` | |
| Uncomment and update `PLATFORM_NAME`, `FLASH_DEFINITION`, `OUTPUT_DIRECTORY` section in `<Your Platform Package>/MicrocodeUpdateTxt/MicrocodeCapsuleTxt.dsc` with <Your Platform Package>. | |
| PLATFORM_NAME = <Your Platform Package> | |
| FLASH_DEFINITION = <Your Platform Package>/MicrocodeCapsuleTxt/MicrocodeCapsuleTxt.fdf | |
| OUTPUT_DIRECTORY = Build/<Your Platform Package> | |
| Uncomment and update statement in `Components` section of `<Your Platform Package>/MicrocodeUpdateTxt/MicrocodeCapsuleTxt.dsc` with path to a Microcode INF file. | |
| [Components] | |
| <Your Microcode INF file> | |
| 4) Use EDK II build tools to generate the Microcode FMP Capsule | |
| `build -p <Your Platform Package>/MicrocodeCapsuleTxt/MicrocodeCapsuleTxt.dsc` | |
| 5) The generated Microcode FMP Capsule is found at `$(WORKSPACE)/$(OUTPUT_DIRECTORY)/$(TARGET)_$(TOOL_CHAIN_TAG)/FV/MicrocodeCapsule.Cap` | |