> On 09.03.2010 00:18, Myles Watson wrote: > > I divided the CAR copy into pieces to debug memory corruption that I'm > > seeing. It seems to fit a pattern, but I'm not sure what would be > causing > > it. Any ideas would be appreciated. > > > > To be honest, if post_cache_as_ram() works at all on K8, it is mostly > luck. :)
> The memory copy is not inline asm (will lead to subtle > corruption), the memory copy and the stack switching are not in one > inline asm block (gcc is free to insert arbitrary code in between), and > the stack is switched in the middle of a function (gcc may use some > non-clobbered regs to access the old stack, or simply die). > > Throwing out the complete v2 K8 CAR disabling code and replacing it with > the v3 code is one of the possible fixes. Unfortunately, v3 never worked for K8. Thanks, Myles -- coreboot mailing list: [email protected] http://www.coreboot.org/mailman/listinfo/coreboot
