ExactStep

Tool

First seen 7/10/2026

Last seen 8/3/2026

Evidence 3 chunks

NEIGHBORHOOD

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18 connections

Device Tree Blob uses → 95% 2e

ExactStep accepts device tree blob files as input for platform configuration.

VirtIO uses → 95% 2e

ExactStep supports VirtIO block and network devices via command-line options.

RV64IMAC implements → 100% 2e

ExactStep implements the RV64IMAC CPU model.

exactstep is described as a C++ ISA model used for co-simulation.

QEMU compares with → 95% 1e

ExactStep is contrasted with QEMU in terms of simulation approach, specifically not using dynamic binary translation.

RV32IMAC implements → 100% 1e

ExactStep implements the RV32IMAC CPU model.

ARMv6-M implements → 100% 1e

ExactStep implements the ARM-v6m CPU model.

ELF uses → 100% 1e

ExactStep uses ELF libraries and loads ELF files for simulation.

ExactStep is used to run bare-metal executables compiled for supported ISAs.

Instruction Trace uses → 90% 1e

ExactStep provides an instruction trace feature via the --trace flag.

RISC-V compliance tests evaluates → 100% 1e

ExactStep passes the RISC-V Compliance Tests for multiple categories.

ultraembedded authored by → 90% 1e

ExactStep is hosted under the ultraembedded GitHub organization.

cpu::step() ← part of 100% 1e

cpu::step() is the core execution function of the ExactStep simulator.

cpu::step() uses → 100% 1e

ExactStep uses cpu::step() as its instruction execution mechanism.

The core is co-simulated against the exactstep C++ ISA model.

ExactStep executes one instruction per call to cpu::step(), embodying instruction-accurate simulation.

Co-simulation implements → 95% 1e

ExactStep is designed for use as a library for cosimulation.

SystemC Bus Interfacing implements → 95% 1e

ExactStep supports SystemC bus interfacing as a library.