Re: [PATCH v1 02/14] x86/realmode: make %gs == 0 an invariant

[H. Peter Anvin]

On 2026-01-20 14:40, David Laight wrote:
> 
> Would it be better to wrap that as (say) read_abs_32() since the
> objective is to read an absolute address (using the relevant zero segment
> register) rather than to read though either fs or gs.
> 
> Is this code all running in 32bit linear mode with non-zero cs/ss/ds
> segment registers and 'suitable' entries in the GDT?
> That mode makes my brain hurt :-)
> Or is there a fudge to get 16bit asm from the C.
> 

The code is running in 16-bit real mode, compiled using -m16.

	-hpa