Please describe the major responsibilities of PEI.
1. Initializing some permanent memory complement
2. Describing the memory in Hand-Off Blocks (HOBs)
3. Describing the firmware volume locations in HOBs
4. Passing control into the Driver Execution Environment (DXE) phase
Below is an instruction that describes a task. Write a response that appropriately completes the request. ### Instruction: Please describe the major responsibilities of PEI. ### Response: 1. Initializing some permanent memory complement
2. Describing the memory in Hand-Off Blocks (HOBs)
3. Describing the firmware volume locations in HOBs
4. Passing control into the Driver Execution Environment (DXE) phase 