Difference between revisions of "NOR"

From The iPhone Wiki
Jump to: navigation, search
m (Hardware: links and typo)
m (Memory Map)
Line 5: Line 5:
   
 
==Memory Map==
 
==Memory Map==
hope I did this right heh
 
   
 
<table border=1 width=100%>
 
<table border=1 width=100%>

Revision as of 00:41, 21 July 2013

NOR typically refers to the NOR flash chip the application processor boots from. The baseband also uses a NOR flash.

How to Access

This can be accessed using a patched iBoot or a kernel hack. It can possibly be dumped using /dev/kmem

Memory Map

Offset
Description
0x0
Configuration Data

0x0: "2GMI" fourcc
0x4: Block Size (0x40)
0x8: Images Section Location Offset
0xC: Images Section Location (In blocks)
0x10: Images Section Length

0x30: Checksum of this config data
0x4000
SysCfg Section
0x8000
Images Section
0xFC000
NVRAM Section (Note: This copy is the one iBoot uses)
0xFE000
NVRAM Section (copy)

Hardware