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Flash Memory Boot Block Architecture For Safe Firmware Updates, Hsiang Chi
Flash Memory Boot Block Architecture For Safe Firmware Updates, Hsiang Chi
FIU Electronic Theses and Dissertations
The most significant risk of updating embedded system code is the possible loss of system firmware during the update process. If the firmware is lost, the system will cease to operate, which can be very costly to the end user. This thesis is concerned with exploring alternate architectures which exploit the integration of flash memory technology in order to overcome this problem. Three design models and associated software techniques will be presented. These design models are described in detail in terms of the strategies they employ in order to prevent system lockup and the loss of firmware. The most important …