On Mon, May 17, 2010 at 12:10:50AM +0200, Rudolf Marek wrote: > > What's not clear to me is how to handle S3 resume. I would think we'd > > want an ability to disable CAR and place the new stack somewhere other > > than CONFIG_RAMTOP. > > Well check my patch > http://patchwork.coreboot.org/patch/1266/ > > I just backup the memory right before I place there the stack, because not > only stack is used, some sysinfo datastructures needs to be copied of > CAR too.
Okay. So, resume is more like: tinybootblock->romstage->backupmem->ramstage->restoremem->OS It seems to me that the AMD car disable code is too complex. I find the VIA car code much easier to follow. -Kevin -- coreboot mailing list: [email protected] http://www.coreboot.org/mailman/listinfo/coreboot

