| Publisher | Association for Computing Machinery | ||
|---|---|---|---|
| Format | 500.8KB PDF | Date added | 13 Oct 2006 |
| Topics | Programming Languages, Java, Processors | ||
| Downloads | 26 | ||
This paper proposes a solution for a Worst-Case Execution Time (WCET) analyzable Java system: a combination of a time predictable Java processor and a tool that performs WCET analysis of Java bytecode. The paper presents a Java processor, called JOP, designed for time-predictable execution of real-time tasks. JOP is an implementation of the Java Virtual Machine (JVM) in hardware. The execution time of bytecodes, the instructions of the JVM, is known cycle accurate for JOP. Therefore, JOP simplifies the low-level WCET analysis. A method cache, that fills whole Java methods into the cache, is analyzable with respect to the WCET. The WCET analysis tool is based on integer linear programming.
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