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Difference between revisions of "S5L8920"
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== External Links == |
== External Links == |
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* [http://infocenter.arm.com/help/topic/com.arm.doc.ddi0344j/DDI0344J_cortex_a8_r3p2_trm.pdf Technical Reference Manual: Cortex A8] |
* [http://infocenter.arm.com/help/topic/com.arm.doc.ddi0344j/DDI0344J_cortex_a8_r3p2_trm.pdf Technical Reference Manual: Cortex A8] |
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Revision as of 23:43, 14 August 2013
This is the processor used in the iPhone 3GS.
S5L8920 and derivative SoCs use the armv7 family, with later versions of the architecture using armv7f/armv7s.
S5L8920 using THUMB-2 instruction set as well as ARM and THUMB ones. Binaries included in iOS are compiled for only ARMv7 and are not compatible with older CPUs.
Bootrom
Bootrom Version: Bootrom 359.3
Units produced after 2009 week 40 have Bootrom 359.3.2 and not vulnerable to the 0x24000 Segment Overflow.
Bootrom Exploits
Boot Chain
Bootrom→LLB→iBoot→Kernel→System Software
