Kevin O'Connor <[email protected]> writes: > > It looks like the problem is that the MPTable is located in the last > 64K of memory (instead of the first few megabytes). There is a > comment about this in arch/x86/kernel/mpparse.c: > > /* > * We cannot access to MPC table to compute > * table size yet, as only few megabytes from > * the bottom is mapped now. > * PC-9800's MPC table places on the very last > * of physical memory; so that simply reserving > * PAGE_SIZE from mpg->mpf_physptr yields BUG() > * in reserve_bootmem. > */ > > However, that comment is in an #ifdef specific to 32bit kernels. > (Though, it's not clear to me how that code would help as it sets size > to be a negative number.) > > The easiest way to fix this is to change SeaBIOS to copy the whole > mptable to the first megabyte. Also, we need to fix your SMBIOS so > that ACPI is used instead of the mptable.
The kernel should just use early_ioremap to access it I guess. -Andi -- [email protected] -- Speaking for myself only. -- coreboot mailing list: [email protected] http://www.coreboot.org/mailman/listinfo/coreboot
