
Freescale MQX Release Notes
Freescale Semiconductor
9
3.2.1 MQX RTOS Directory Structure
The RTOS files are located in the mqx subdirectory of the Freescale MQX™ RTOS installation. The
directory structure is briefly described in the picture below.
3.3 MQX MFS
This release Freescale MQX™ RTOS includes the MFS File System libraries. The MFS is based on
the version 2.20 released by ARC.
The major MFS modifications as compared to the ARC release:
‐ The compile-time configuration of the MFS is now accomplished by editing the
.../config/<board>/user_config.h file.
‐ MFS was significantly optimized for devices with limited RAM resources. In particular, MFS
now performs sector caching, not cluster caching. This generally results in better
performance with a lower RAM footprint.
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