source SUZAKU SoC Design.pdf
User application is only program run on uP
Direct access to all system resources
Uses C library provided by Xilinx
Compiled by Xilinx's modified GCC (mb_gcc)
Fast, simple, only Xilinx toolchain reguired
Limited function: no server, no IPC, etc.
User must handle all communications
OS (e.g. uClinux) loaded first into uP
User application run as a normal program under the
OS OS and user application all compiled using cross development tools
Complicated and may have
OS everheads
Feature rich: all you can get from an
OS User applications access hardware resource throught APIs included in the
OS
