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Difference between revisions of "S5L8920"
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| − | This is the processor used in the [[iPhone |
+ | This is the processor used in the [[iPhone 3GS]]. |
| − | S5L8920 using [http://www.arm.com/products/CPUs/archi-thumb2.html THUMB-2] instruction set as much as ARM and THUMB ones. So the compiled binaries are not |
+ | S5L8920 using [http://www.arm.com/products/CPUs/archi-thumb2.html THUMB-2] instruction set as much as ARM and THUMB ones. So the compiled binaries are not compatible with older CPUs. |
== Exploits == |
== Exploits == |
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Revision as of 12:19, 10 July 2009
This is the processor used in the iPhone 3GS.
S5L8920 using THUMB-2 instruction set as much as ARM and THUMB ones. So the compiled binaries are not compatible with older CPUs.
Exploits
iBoot / Kernel
- iBoot Environment Variable Overflow - Firmware 3.0 and below
Bootrom
Boot Chain
Bootrom->LLB->iBoot->Kernel->System Software
