Almost!
The PowerPC Platform document describes three different types of systems:
For each, the number and type of requirements vary. In particular, a Server compliant PowerPC Platform requires at least the following:
Since PSIM is only missing the RTAS and device ping it can be considered `pretty damd close to' CHRP Server compliant.
To be considered compliant to a desktop system, however many more requirements need to be met, including:
Since the last requirement (the Apple ROM socket) will be especially difficult, it will be a while before PSIM achieves CHRP Desktop compliance.