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Line 455:
Line 455: − − =0x10012000= − Keys seem to be stored here? Access to this region is disabled once the ARM9 writes 0x2 to [[CONFIG|REG_SYSPROT9]]. − − Originally the console-unique TWL keyinit + region disable was done by Kernel9. However, with the [[New_3DS]] FIRM ARM9 binary this is now done in the [[FIRM]] ARM9 binary loader, which also uses the 0x10012000 region for key generation. − − The first 0x100-bytes here are console-unique. − − {| class="wikitable" border="1" − ! Offset − ! Size − ! Description − |- − | 0x0 − | 0x8 − | On development units ([[CONFIG|UNITINFO]]!=0) ARM9 uses the first 8-bytes from 0x10012000 for the TWL keydata. This doesn't seem to be used by NATIVE_FIRM on retail, besides New3DS key-generation in the [[FIRM|ARM9-loader]]. − |- − | 0x8 − | 0xF8 − | ? − |- − | 0x100 − | 0x8 − | Before writing REG_SYSPROT9 bit1, the ARM9 copies the 8-byte TWL-keydata to here. − |}
→0x10012000
ARM11 kernel virtual address mappings for these registers varies for different builds. For ARM11 user mode applications you have:
ARM11 kernel virtual address mappings for these registers varies for different builds. For ARM11 user mode applications you have:
physaddr = virtaddr - 0x1EC00000 + 0x10100000
physaddr = virtaddr - 0x1EC00000 + 0x10100000