Bib-Shade-SIGMETRICS

FLEX-ES

FLEX-ES (formerly OPEN/370) provides a System/390 on a Pentium. It includes system-mode operation, runs 8 popular S/370 OS's. On a 2-processor Pentium-II/400MHz, it provides 7 to 8 MIPS on one processor and I/O functions on the other processor. They also sell installed systems (hardware/software turnkey systems).

Categories:

Purpose: cross-machine simulation
Input representation: exe
Detail: User, System, Device
Multiple protection domains: Y
Multiple processors: Y
Signals and execptions: Y
SMC OK: Y
Simulation technology: dynamic cross-compilation
- Units of analysis: several target instructions at a time.
- Units of translation: one target instruction at a time
Tool is robust in the face of application bugs: Y
Status: commercially available product.
Degree of possible mismatch between host and target:
- byte order
- floating-point numeric representation
- instructions that cause exceptions
Performance: Range of 3 to hundreds of host machine instructions per target machine instruction; typically 50.

FLEX-ES home page.

From instruction-set simulation and tracing