This article shows how an emulator called Charon-SSP from the Microsoft partner, Stromasys, can run SPARC processor-based Solaris virtual machines (VMs) in Azure. Charon-SSP is a member of the Charon cross-platform hardware virtualization product family. The emulator can create virtual replicas of Sun-4m, Sun-4u, or Sun-4v SPARC family members on standard x86-64 Linux physical computers or hypervisors.
https://learn.microsoft.com/en-us/azure/architecture/solution-ideas/articles/solaris-azure