User Manual

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1.3. Bumblebee kernel hierarchy diagram
The top of the Bumblebee kernelFigure 1-1 Shown.The organizational structure of the
Bumblebee kernel mainly includes the following points:
 Core is the top level of the entire processor core.
 uCore is under the Core hierarchy and is the main part of the processor core.
 In addition to uCore, the following main components are included under the Core hierarchy:
 Debug: Handles the jtag interface and related debugging features.
 Eclic: Interrupt control unit.
 Timer: timer unit.
 LM Ctrl: Control of the external ILM and DLM interfaces.
 Biu: Control of the external ppi interface and mem interface.
 Misc Ctrl: Other control modules.