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Difference between revisions of "S5L8930"
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== Boot Chain == |
== Boot Chain == |
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[[S5L8930 (Bootrom)|Bootrom]]->[[LLB]]->[[iBoot]]->[[Kernel]]->[[Firmware|System Software]] |
[[S5L8930 (Bootrom)|Bootrom]]->[[LLB]]->[[iBoot]]->[[Kernel]]->[[Firmware|System Software]] |
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| − | iOS 5 |
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== Specifications == |
== Specifications == |
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Revision as of 23:35, 13 June 2011
An SoC developed by Apple in-house chip design department. It is currently used in iPad, iPhone 4 GSM model, Apple TV 2G, iPod touch 4G, and the iPhone 4 CDMA model. Publicly, Apple refers to this chip as the A4.
Contents
Exploits
Bootrom
- Geohot used a bootrom exploit in limera1n that does not have publicly released technical details.
- SHAtter
iBoot
Kernel
- BPF STX Kernel Write Exploit - Works up to iOS 3.2
- IOSurface Kernel Exploit - Works up to iOS 4.0.1 (excluding iOS 3.2.2)
- Packet Filter Kernel Exploit - Works up to iOS 4.1
- HFS Legacy Volume Name Stack Buffer Overflow - Works up to iOS 4.2.8
- ndrv_setspec() Integer Overflow - Works up to iOS 4.3.3
Userland
- MobileBackup Copy Exploit - Works up to iOS 3.2
- Malformed CFF Vulnerability - Works up to iOS 4.0.1 (excluding iOS 3.2.2)
Boot Chain
Bootrom->LLB->iBoot->Kernel->System Software
Specifications
- CPU: ARM Cortex-A8
- GPU: PowerVR SGX 535
- A/V Playback: PowerVR VXD
- RAM: 256 MB (Apple TV 2G, iPad, and iPod touch 4G) or 512 MB (iPhone 4)
Aside from the iPhone 4's additional RAM and an overall higher clock speed, these are the same specifications as the S5L8920 and S5L8922.
