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22.3.3
Interrupt Constraints
User applications should not use interrupts. All interrupts are reserved for use by the CMM
firmware.
22.4
RAM Disk Directory Structure
The following directories are stored on a RAM-disk. These directories store information critical to
the CMM and are size constrained. These directories should not be modified in any way.
/usr – Executables including the CMM executables (/usr/local/cmm/bin). Also contains some
libraries and temp files.
/lib - Shared library files and drivers
/bin – Linux binary files like ping, mount
/dev – Device driver files
/proc – Special linux area that contains info about memory, drivers, etc.
/root – Empty root user area.
/sbin – Binary files like ifconfig, route
/tmp – Empty
/var – Temp location for log files and other temp files.
MPCMM0001 Chassis Management Module Software Technical Product Specification
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