Hardware-Software Co-Design of Embedded Systems: The Polis ApproachSpringer Science & Business Media, 1997. gada 31. maijs - 297 lappuses Embedded systems are informally defined as a collection of programmable parts surrounded by ASICs and other standard components, that interact continuously with an environment through sensors and actuators. The programmable parts include micro-controllers and Digital Signal Processors (DSPs). Embedded systems are often used in life-critical situations, where reliability and safety are more important criteria than performance. Today, embedded systems are designed with an ad hoc approach that is heavily based on earlier experience with similar products and on manual design. Use of higher-level languages such as C helps structure the design somewhat, but with increasing complexity it is not sufficient. Formal verification and automatic synthesis of implementations are the surest ways to guarantee safety. Thus, the POLIS system which is a co-design environment for embedded systems is based on a formal model of computation. POLIS was initiated in 1988 as a research project at the University of California at Berkeley and, over the years, grew into a full design methodology with a software system supporting it. Hardware-Software Co-Design of Embedded Systems: The POLIS Approach is intended to give a complete overview of the POLIS system including its formal and algorithmic aspects. Hardware-Software Co-Design of Embedded Systems: The POLIS Approach will be of interest to embedded system designers (automotive electronics, consumer electronics and telecommunications), micro-controller designers, CAD developers and students. |
Saturs
INTRODUCTION | 1 |
MODELS AND REPRESENTATIONS | 35 |
SYNTHESIS | 125 |
INTERFACE SYNTHESIS AND THE REALTIME | 157 |
VERIFICATION | 199 |
INTERFACING TO EXTERNAL HARDWARE | 247 |
DESIGN EXAMPLES | 255 |
CONCLUSIONS AND FUTURE WORK | 273 |
B THE SYNTAX OF SHIFT | 281 |
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abstract algorithm automatically automaton await behavior Boolean called CFSM CFSM model CFSM-C clock cycles co-simulation communication compiler components computation constraints data flow data signal defined described in Section EFSM embedded system emission emit environment ESTEREL estimation example external Figure Finite State Machine formal verification FPGAs function galaxy goto graph hardware hardware/software I/O ports implementation initial input and output input assignment input buffer input events input signal instantiation integer interface interrupt key_off key_on language loop Magneti Marelli mechanism micro-controller module Motorola 68HC11 mp-CFSMs netlist operations optimization output signal partition performance POLIS POLIS system priority processor PTOLEMY queue reactive real-time Real-Time Operating System requires reset RTOS S-GRAPH scheduling policy seat belt semantics sensors sequence SHIFT simulation software synthesis specification speed star start_timer statement sw-CFSM synchronous target task TEST node timer transition relation Verilog VHDL WCET Xilinx