On Sun, Aug 13, 2023 at 06:27:20PM +0200, Peter J. Philipp wrote: > Hi, > > I was wondering two things currently, both having to do with QEMU on OpenBSD. > > I noticed in my QEMU that is running OpenBSD that it is supporting the > H-extension. The H is hypervisor. Does this mean that there is support > emulated for hypervisor host and guest in QEMU? Also is there any efforts to > implement this where I can be an observer?
I believe they have some support for that. There is no hardware currently available that has it though, from what I know. There is an FPGA core you can implement on a suitably large dev board though, but you'd be a 1-off. When you say "implement this", what do you mean? > > I saw somewhere that newer QEMU support RV128 cpu emulation. While this > is something for 20 years from now perhaps, I'm still curious if anyone is > considering a port to the RV128, or is at least turned on by the thought of > it. no > Unfortunately I believe the RV128 isn't intended for an 128 bit address space > but has something planned for partitioning it in half so it will be 64 bit > space. With the other 64 bit for something security related. > > Also I'd like to say that I have my first piece of RV64 hardware for a few > weeks now and it can run linux ubuntu. It's a Mango Pi which is the same > form factor as a RPI zero. I also donated one to a developer so perhaps we'll > see OpenBSD running on it one day. In half a dozen weeks or so I'm > considering > getting my second RV64 computer, which will be somewhat of a visionfive 2-like > SBC for a router. Not sure which yet, though, let's see who can deliver in > October. > > Next year I'd like to invest into a larger RV64 computer for workstation. As > you can see I'm starting to get a bit serious around Risc-V get a milk-v pioneer then, it's the biggest you can currently buy. > > Best Regards, > -peter > > -- > Over thirty years experience on Unix-like Operating Systems starting with QNX. >
