Hi Renaud, Am Mittwoch, den 01.05.2019, 10:32 +0000 schrieb Barbier, Renaud: > I have added support for a cortex-a9 off the master branch. > > I am seeing an issue to boot to the prompt found in the function > hyp_install. The assembly code is as follows: > mrs r12, cpsr > and r12, r12, #MODE_MASK > > @ Save the initial CPU state > adr r0, .L__boot_cpu_mode_offset > ldr r1, [r0] > str r12, [r0, r1] ===> I get an exception here because > the register r12 is being written to [r0 + r1] which points to the > SPI NOR boot flash. > > Commenting out the call to all functions calling hyp_install, barebox > does get to the prompt. > > Is there something I could be missing that would put the > __boot_cpu_mode variable in a writable area? No, this code was just not written with XIP in mind and I'm currently no sure how to improve this, given how early this code needs to be executed. Regards, Lucas _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
