We investigate how transactional memory can be adapted for embedded systems. We consider energy consumption and complexity to be driving concerns in the design of these systems and therefore adapt simple hardware transactional memory (HTM) schemes in our architectural design. We propose several different cache structures and contention management schemes to support HTM and evaluate them in term...

Embedded systems are ubiquitous in this era of portable computing. These systems are empowered to access, store and transmit abundance of critical information. Thus their security becomes a prime concern. Moreover, most of these embedded devices often have to operate under insecure environments where the adversary may acquire physical access. To provide security, cryptographic security mechanis...

To allow embedded operating systems to update their components on-the-fly, dynamic update mechanism is required for operating systems to be patched or added extra functionalities in without the need of rebooting the machines. However, embedded environments are usually resource-limited in terms of memory size, processing power, power consumption, and network bandwidth. Thus, dynamic update for e...

Although memory is an important constraint in embedded sensor nodes, existing sensor applications and systems are typically designed to work under the memory constraints of a single platform and do not consider the interplay between memory and flash storage. In this paper, we present the design of a memory-adaptive flash-based sensor system that allows an application to exploit the presence of ...

This paper presents a survey of several major embedded operating systems. It analyzes several design issues of embedded operating system, such as architecture, memory management, IPC, process management, network support, and the impact of hardware limitation and application requirement of embedded system. We analyzed three prevailing embedded operating systems: Windows CE, embedded Linux and QN...

Since modern FPLD devices have very complex structure there is necessity to develop new methods that would allow fully exploiting the possibilities these devices offer. The paper presents a general method for the synthesis targeted to ROM-based implementation of sequential circuits using embedded memory blocks of programmable devices. The method is based on the serial decomposition concept and ...

Attentional orienting and memory are intrinsically bound, but their interaction has rarely been investigated. Here we introduce an experimental paradigm using naturalistic scenes to investigate how long-term memory can guide spatial attention and thereby enhance identification of events in the perceptual domain. In the task, stable memories of objects embedded within complex scenes guide spatia...

A new simple recovery scheme for transient bit errors in the RAM of a ROM-based embedded system is presented, which exploits the information stored in the ROM. And a new scrubbing technique suitable to the proposed recovery scheme is also presented. With the proposed recovery scheme and scrubbing technique, the reliability of the RAM against transient bit errors can be improved remarkably with ...