24. FreeBSD Internals

24.1. The FreeBSD Booting Process

24.1.1. Loading a kernel

24.1.2. Determine the root filesystem

24.1.3. Initialize user-land things

24.1.4. Interesting combinations

24.2. PC Memory Utilization

24.3. DMA: What it Is and How it Works

24.3.1. A Sample DMA transfer

24.3.2. DMA Page Registers and 16Meg address space limitations

24.3.3. DMA Operational Modes and Settings

24.3.4. Programming the DMA

24.3.5. DMA Port Map