PXI

PXI is the inter-processor communication interface between the ARM7 and ARM9. Most user code runs on the ARM7 and makes requests to the ARM7 to access various hardware (SD, NAND, AES, etc). Each module is identified by a tag.

• PXI 0xB: FS
• PXI 0x13: AES
  • subcommand 1,0
  • subcommand 7,6
  • subcommand 0xA, 0
  • subcommand 0xA, 1
  • subcommand 0xA, 2
  • subcommand 0xA, 3
  • subcommand 0xA, 4
• PXI 0x14: FATFS
• PXI 0x13: SEA
  • subcommand 1,0