ARM ISA
ConceptThe ARM Instruction Set Architecture (ISA) is the silicon chip ISA developed and licensed by ARM Limited, and forms the target of the gem5 VLSI digital circuit simulator employed by ARM to test their systems. In the SearchSYS/SearchGEM5 research artifact, testing of the gem5 simulator focuses on the simulation of the ARM ISA, using differential testing between real ARM hardware and gem5 running in build/ARM configuration.
WIKI
ARM ISA
Overview
The ARM Instruction Set Architecture (ISA) is the silicon chip ISA associated with ARM Limited. In the context of the SearchSYS/SearchGEM5 artifact (Even-Mendoza et al., ICSE-SEIP 2025), the ARM ISA is the specific architecture targeted by the gem5 VLSI digital circuit simulator that ARM employs to test their systems. The work explicitly focuses on the simulation of the ARM silicon chip ISA within gem5 and uses differential testing between the simulator and real ARM hardware to surface simulator bugs.
Role in the SearchSYS Artifact
The artifact at Zenodo record 14721385 describes reproducing the evaluation on ARM machines (arm64-ubuntu-2204 and Red Hat-based systems). To test the ARM ISA, gem5 must be built targeting the ARM architecture rather than X86, using SCons:
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