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Rex, the Qualcomm baseband os, is a binary blob that’s really annoying to reverse engineer and it shares a bus with the top-level os.
by josh2600 9y ago
Rex, the Qualcomm baseband os, is a binary blob that’s really annoying to reverse engineer and it shares a bus with the top-level os.
- 0x0 9y agoI guess that's a +1 for why new iPhones are changing over to Intel LTE chips
- kakarot 9y agoIsn't this still a problem with the new Intel chips? Is the baseband processor actually separate?
- tptacek 9y agoNo, that's not in fact how basebands work; the baseband is connected to the AP via HSIC, which is an internal USB bus. "Shares a bus with the top-level OS", by the way, is a sequence of words that doesn't really make sense.
- josh2600 9y agoI checked and you're right! I misunderstood a series of articles from 5 years ago on this subject. Please excuse my confusion :(. Edit: Also Rex is the kernel and RtOS is the OS. http://www.osnews.com/story/27416/The_second_operating_system_hiding_in_every_mobile_phone http://www.osnews.com/story/27416/The_second_operating_syste...