Re: [Qemu-devel] [PATCH v2 00/21] RISC-V QEMU Port Submission v2

[Palmer Dabbelt]

On Wed, 10 Jan 2018 23:58:12 PST (-0800), address@hidden wrote:
> On Wed, Jan 10, 2018 at 03:46:19PM -0800, Michael Clark wrote:
> > - RISC-V Instruction Set Manual Volume I: User-Level ISA Version 2.2
> > - RISC-V Instruction Set Manual Volume II: Privileged ISA Version 1.9.1
> > - RISC-V Instruction Set Manual Volume II: Privileged ISA Version 1.10
>
> Same question as for V2:  Why do you want to add code for an obsolete
> version of the privileged ISA spec? (which as far as I can tell
> can't even be found online).

We have a 1.9.1 chip, and that currently constitutes the vast majority of the 
RISC-V silicon in the wild.  The (somewhat lofty) goal is to eventually be able 
to emulate every RISC-V system in the world.

The spec is still available online

 
https://github.com/riscv/riscv-isa-manual/blob/master/release/riscv-privileged-v1.9.1.pdf