Re: [PATCH 01/29] default-configs: Add TARGET_XML_FILES definition

[Richard Henderson]

On 11/6/23 07:44, Alex Bennée wrote:
> > > +TARGET_XML_FILES=gdb-xml/loongarch-base32.xml gdb-xml/loongarch-base64.xml 
> > > gdb-xml/loongarch-fpu.xml
> >
> >
> > The qemu-loongarch64 binary emulates loongarch64 only, not
> > loongarch32.  The inclusion of loongarch-base32.xml here is not
> > relevant.
>
> Does the system binary emulate both?

Yes.

Technically, the user-only binary will emulate the 32-bit cpu just fine.  But much like 
aarch64, there is no ilp32 kernel abi for loongarch.


> > That said, we don't exclude TYPE_LOONGARCH32_CPU or -cpu la132 from
> > CONFIG_USER_ONLY, which is a separate mistake.
>
> Where should that be done?

Probably target/loongarch/cpu.c, by omitting TYPE_LOONGARCH32_CPU and "la132".


r~