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Difference between revisions of "S5L8920"
ChronicDev (talk | contribs) (New page: This is the processor used in the iPhone 3G S. == Exploits == === iBoot / Kernel === === Bootrom === == Boot Chain == Bootrom->[[L...) |
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| − | This is the processor used in the [[iPhone |
+ | This is the processor used in the [[N88AP|iPhone 3GS]]. |
| + | S5L8920 and derivative SoCs use the armv7 family, with later versions of the architecture using armv7f/armv7s. |
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| − | == Exploits == |
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| + | |||
| − | === [[iBoot]] / [[Kernel]] === |
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| + | [[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. |
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| − | === [[S5L8920 (Bootrom)|Bootrom]] === |
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| + | |||
| + | == [[Bootrom]] == |
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| + | '''Bootrom Version''': [[Bootrom 359.3]] |
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| + | |||
| + | Units produced after 2009 week 40 have [[Bootrom 359.3.2]] and not vulnerable to the [[0x24000 Segment Overflow]]. |
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| + | |||
| + | == [[Bootrom]] Exploits == |
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| + | * [[0x24000 Segment Overflow]] - only in [[Bootrom 359.3]] |
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| + | * [[Limera1n Exploit]] |
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| + | * [[alloc8 Exploit]] |
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== Boot Chain == |
== Boot Chain == |
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| − | [[ |
+ | [[Bootrom]]→[[LLB]]→[[iBoot]]→[[Kernel]]→[[Firmware|System Software]] |
== See also == |
== See also == |
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| + | * [[Bootrom]] |
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| − | [[S5L8920 (Hardware)]] |
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| + | * [[S5L8920 (Hardware)]] |
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| + | |||
| + | == 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] |
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| + | |||
| + | [[Category:Application Processors]] |
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Latest revision as of 07:36, 12 April 2017
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
