Is there a written spec or description of how a boot program (u-boot, UEFI,
hypervisor) boots an OS on ARM platforms?
ePAPR-type device trees are used to describe a platform, but what
about the type of information in sections 5.3, 5.4 and 5.5 of the ePAPR:
-initial mapped areas
-state of MMU at the point the boot program transfers
control to the OS, initial MMU mappings
-initial state of registers
-mechanisms to start secondary CPUs-- e.g. spin table
Besides reading code is this stuff written down anywhere? ...for both ARM v7
and ARM v8.
Thanks,
Stuart Yoder
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