On Thu, Mar 17, 2016 at 9:39 AM, Bin Meng <[email protected]> wrote: > On Wed, Mar 16, 2016 at 9:44 PM, Simon Glass <[email protected]> wrote: >> Sometimes it is useful to jump into U-Boot directly from coreboot or UEFI >> without any 16-bit init. This can help during development by allowing U-Boot >> to avoid doing all the init required by the platform. >> >> U-Boot expects its GDT to be set up correctly by its 16-bit code. If >> coreboot doesn't do this (because it hasn't run the payload setup code yet) >> then this won't happen. >> >> In this case we cannot rely on the GDT settings. U-Boot will hang or crash >> if these are wrong. Provide a development-only option to set up the GDT >> correctly. This is just a hack so you can jump to U-Boot from any stage of >> coreboot, not just at the end. >> >> Signed-off-by: Simon Glass <[email protected]> >> --- >> >> Changes in v3: >> - Add more detail to the commit message and code comments >> >> Changes in v2: None >> >> arch/x86/cpu/start.S | 80 >> ++++++++++++++++++++++++++++++++++++++++++++++++++++ >> 1 file changed, 80 insertions(+) >> > > Reviewed-by: Bin Meng <[email protected]>
applied to u-boot-x86, thanks! _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
