Re: [coreboot] [RFC] SMM handling and resident coreboot

[Stefan Reinauer]

yhlu wrote:
> > End of RAM. On some chipsets, there also seems to be a mechanism to reserve
> > memory space fore SMM handlers (TSEG)
>
> so it is less 4g...like normal BIOS.

eh, yes, right. I guess we would need long mode to go beyond 4G.
> > > also for ecc ram, only ram below CONFIG_LB_MEM_TOPK get inited
> >
> > Does this mean all memory has to be initialized? Or is it enough to
> > initialize only the part we're using?
> >
> > I thought to remember ECC memory is scrubbed locally by each CPU on startup?
> > Is this not the case?
>
> do you mean code from hardware_main() , or other new smm code?

I was referring to coreboot-v2/src/cpu/amd/model_fxx/model_fxx_init.c:
init_ecc_memory() for example.

Stefan