dmesg output after the whole series of changes on the HiFive Unmatched:
```
CPU 0: Hart 1 : Vendor=SiFive Core=6/7/P200/X200-Series Processor (Hart 2)
Core Manufacturer: SiFive marchid=0x8000000000000007, mimpid=0x20181004
6/7/P200/X200-Series Processor, mimpid: 0x20181004
MMU: 0x1<SV39v39>
ISA: 0x112d<Atomic,Compressed,Double,Float,Mult/Div>
```
and in QEMU:
```
CPU 0: : Vendor=Unspecified Core=Unknown (Hart 0)
Core Manufacturer: Unknownmarchid=0x70232, mimpid=0x70232
marchidMMU: 0x70232, mimpid: 0x702323<Sv39,Sv48>
MMU: 0x3<SV39,SV48>
ISA: 0x112d<Atomic,Compressed,Double,Float,Mult/Div>
```