Laurent Maillet-Contoz, STMicroelectronics

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Unicad system2RTL Current pratices Early software development – Portions compiled for standalone ISS or work station (software with few hardware dependencies) – Mostly developed after availability of board Architecture analysis – Ad hoc C models for specific algorithm understanding – Trials of C-based cycle-accurate models – Mostly Excel spreadsheet Functional verification – Standalone C or HDL models – Mostly hand-coded reference output 4
Unicad system2RTL Proposed approach SoC Architecture (SoC TLM platform) – Corresponds to contract between embedded software and hardware – Accurately models register banks data transfers system synchronizations – Simulation speed at expense of accuracy Require light-weight modeling effort SoC Micro-architecture (SoC RTL platform) – Accurately models cycles, protocols, IP internal states, etc. – Accuracy at expense of speed Reuse RTL (VHDL/Verilog) models to reduce development cost No multiplication of models, only RTL and TLM 5
Page 1 and 2: Laurent Maillet-Contoz, System & Ar
Page 3: Unicad system2RTL Problems Statemen
Page 7 and 8: Verification System TB Traffic TB T
Page 9 and 10: Unicad system2RTL Transaction level
Page 11 and 12: Execution on a workstation Unicad s
Page 13 and 14: Unicad system2RTL Motivations for S
Page 15 and 16: Unicad system2RTL TLM SoC Developme
Page 17 and 18: Unicad system2RTL MPEG4 Codec Trans
Page 19 and 20: Unicad system2RTL MPEG4 TLM model f
Page 21 and 22: TLM model Co-simulation (C + VHDL,
Page 23: Unicad system2RTL Future work Devel

Laurent Maillet-Contoz, STMicroelectronics

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