caps zonder size limit?
invoke ipc: try sync; try receiver memory; try caller memory; fail.

memories map:

top
- lcd
- keyboard
- sound
- led
- udc
- battery
- beeper
- msc
- nand
- filesystem
- network
- top session manager
- - user session
- - - program container
- - - - driver emulation
- - - - driver emulation
- - - - program
- - - program container
- - - - driver emulation
- - - - program
- - user session
...