[coreboot] V2 Multiboot

[Jordan Crouse]

Jordan Crouse wrote:
> Having a copious amount of time on my hands right now, I had occasion to 
> review the coreboot v2 multiboot patch from some time back.
> 
> http://www.coreboot.org/pipermail/coreboot/2008-September/039364.html
> 
> It looks technically correct, and it compiles and works.  I did see one 
> issue:
> 
> Here is the memory map from the coreboot table by way of coreinfo:
> 
>  -- Memory Map --
>       Table: 0000000000000000 - 0000000000000fff
>         RAM: 0000000000001000 - 00000000000effff
>       Table: 00000000000f0000 - 00000000000fffff
>         RAM: 0000000000100000 - 0000000007ffffff
> 
> And the multiboot map, also courtesy of coreinfo:
> 
>  -- Memory Map --
>    Reserved: 0000000000000000 - 0000000000000527
>    Reserved: 00000000000f0000 - 00000000000f0457
>         RAM: 0000000000000528 - 00000000000effff
>         RAM: 00000000000f0458 - 0000000007ffffff
> 
> Multiboot is being rather generous in giving back memory to the system - 
> I think that the two table should match - or failing that, at least 
> multiboot should round up to the nearest 4k page.  V3 has the same issue.
> 
> Other then that, I'm cool with acking this.

Unless I hear otherwise,  I _am_ going to ack it with the minor 
modification of rounding up the memory regions to the nearest 4k boundary.

Jordan