Hi, On Sun, Apr 05, 2015 at 03:26:14PM +0200, Pali Rohár wrote: > > > > Yes so it seems, and the bootloaders should really set it. > > > > It's also disabled for multiplatform builds. > > > > > > These are now done in u-boot as of: v2015.04-rc4 > > > > > > http://git.denx.de/?p=u-boot.git;a=commit;h=c6f90e1418a84fe5 > > > fa463b38403bd1845cb6a59c > > > > Seems like "include/configs/nokia_rx51.h" has been forgotten. > > Note, that the kernel must still be able to enable the bit > > itself (in case NOLO is used without u-boot). > > You must not expect that bootloader set something. Nokia N900 has > closed and signed bootloader which cannot be easily replaced and > or fixed. > > For N900 there is U-Boot but it does not support lot of things > (load kernel via usb or serial) so for developers it is better to > use original Nokia bootloader. Yes, I'm aware of that. I think having the IBE bit set in u-boot has advantages nevertheless. I think the kernel can't enable the bit sufficiently early if its compiled in thumb-mode itself (CONFIG_THUMB2_KERNEL). So I suggest to enable the IBE bit in the kernel (that part is already done) *and* in u-boot. -- Sebastian
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