Re: Semihosting, arm, riscv, ppc and common code

[Alex Bennée]

Benjamin Herrenschmidt <address@hidden> writes:

> On Tue, 2020-01-14 at 09:32 +0200, Liviu Ionescu wrote:
>> > On 14 Jan 2020, at 08:25, Benjamin Herrenschmidt <
>> > address@hidden> wrote:
>> > 
>> > I noticed that the bulk of arm-semi.c (or riscv-semi.c) is
>> > trivially
>> > made completely generic by doing a couple of changes:
>> 
>> Last year I did a similar exercise in OpenOCD, where I took the Arm
>> semihosting code from the Arm specific location, extracted the common
>> part, updated it for latest Arm 64-bit specs, and then used the
>> common code for both Arm and RISC-V.
>> 
>> If you think useful, you might take a look there too.
>
> Well, one of the LCA talks wasn't that interesting so I started doing
> it and am almost done :-)
>
> I'll look at doing something for arm, riscv and ppc and send patches
> once I get it working.

Cool. Are you considering linux-user as well or are these only things
that make sense for system emulation?

>
> Cheers,
> Ben.
>
>> 
>> Regards,
>> 
>> Liviu


-- 
Alex Bennée