BIOS

From PSPWiki

Memory Management

• memory pool management functions

Multithreading

• thread scheduling is similiar to PS2 EE
• not preemptive
• highest priority thread will run until the interrupt handler changes state
• highest priority threads can be placed in a WAIT state
• its possible to pause lower priority threads by higher priority threads

Relocatable Executables

• called PRX files
• especially drivers
• kernel modules
• user modules