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30 September 2003 A fast and accurate validation technique for operating system in multi-processor system-on-chip design
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Abstract
Modern electronic system design is based on integrating heterogeneous components (μP, DSP, ASIC, memories, buses, MEMS, MOEMS, etc.) on a single chip. These highly integrated systems are commonly known as System-on-Chip (SoC). System validation by HW-SW co-simulation can enhance the quality of a System-on-Chip (SoC) design. In this paper, we present a SW simulation model for both operating system and application. The model gives fast simulation exploiting the native execution of OS and application SW. For accurate simulation, it enables timing simulation with several levels of timing delay granularities, which enables the designer to have trade-off between simulation speed and accuracy. For timing delay estimation, the OS and application SW codes are compiled for a target processor and the delay of each assembly instruction is calculated. Then, according to the granularity of timing delay chosen by the designer, delays are annotated into the OS and application SW codes. For HW-SW co-simulation of the entire SoC, the execution of proposed model, we present a bus functional model (BFM). The BFM exchanges simulation events between HW and SW simulation while synchronizing their timing simulation. The technique proposed in this paper could be useful for complex heterogeneous system validation and design.
© (2003) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Iuliana Bacivarov, Ahmed A. Jerraya, and Sungjoo Yoo "A fast and accurate validation technique for operating system in multi-processor system-on-chip design", Proc. SPIE 5227, Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies, (30 September 2003); https://doi.org/10.1117/12.520078
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