AmiTpm20PlatformPei

Overview

AmiTpm20PlatformPei is a PEI module that provides TPM 2.0 platform-specific initialization for the AMI TPM 2.0 stack. It handles TPM hardware detection, random number generation via RdRand, and platform-level TPM configuration before the main TCG PEIMs execute. It serves as the glue between platform firmware and the TPM 2.0 device interface.

Key Functions

• RdRand16 -- Generates a 16-bit random value using the x86 RDRAND instruction
• BaseCopyMem / BaseSetMem8 / BaseDivU64x32Remainder -- Low-level memory and arithmetic utilities
• ModuleEntryPoint -- Main entry that initializes PCD PPI and dispatches platform-specific TPM setup
• TPM device interface functions for TPM 2.0 command submission and response parsing
• PPI notification registration for TPM device availability

Dependencies

• PiPei, Uefi base libraries
• PCD PPI for platform configuration
• TPM 2.0 device PPI
• Debug services

Platform

• Architecture: IA-32 (x86)
• Subsystem: EFI_BOOT_SERVICE_DRIVER (0x0B)
• Source: AmiModulePkg/TPM2
• Linker: MSVS 2015