Editing Flash:cell ext os area

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= cell_ext_os_area =
= cell_ext_os_area =
NAND only


== OtherOS ==
NAND only
NAND only


{| class="wikitable"
 
|+Header
=== 00 filled block ===
! Offset !! Length !! Example !! Name !! Notes
<pre>Offset(h) 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F
 
0EA00040  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
....
0EB7FFF0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................</pre>
 
=== FF filled block ===
<pre>Offset(h) 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F
 
0EB80000  FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF  ÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿ
....
0EFBFFF0  FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF  ÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿ</pre>
 
 
==== small non-FF sections (inside FF filled block) ====
Note: not seen in all NAND dumps.
 
{| class="wikitable sortable"
|-
|-
| 0x000 || 0x10 || cell_ext_os_area || '''magic''' ||
! NAND: 1100 !! NAND: 0100 !! NAND: 7F FF FF 11 00 !! NAND: 7F FF FF 21 00
|-
|-
| 0x010 || 0x4 || ? || '''version''' ||  
| <pre>Offset(h) 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F
 
0FF00100  FF FF FF FF 11 00 FF FF FF FF FF FF FF FF FF FF  ÿÿÿÿ..ÿÿÿÿÿÿÿÿÿÿ</pre> || <pre>Offset(h) 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F
 
0FF00100  FF FF FF FF 01 00 FF FF FF FF FF FF FF FF FF FF  ÿÿÿÿ..ÿÿÿÿÿÿÿÿÿÿ</pre> || <pre>Offset(h) 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F
 
0FF00100  FF 7F FF FF 11 00 FF FF FF FF FF FF FF FF FF FF  ÿ.ÿÿ..ÿÿÿÿÿÿÿÿÿÿ</pre> || <pre>Offset(h) 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F
 
0FF00100  FF 7F FF FF 21 00 FF FF FF FF FF FF FF FF FF FF  ÿ.ÿÿ!.ÿÿÿÿÿÿÿÿÿÿ</pre>
|-
|-
| 0x014 || 0x4 || 0x400 ? || '''otheros_area_offset''' ||  
| <pre>Offset(h) 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F
|-
 
| 0x018 || 0x4 || 0x400 + unknown ? || '''otheros_bootloader_offset''' ||
0FF00300  FF FF FF FF 11 00 FF FF FF FF FF FF FF FF FF FF  ÿÿÿÿ..ÿÿÿÿÿÿÿÿÿÿ</pre> || <pre>Offset(h) 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F
 
0FF00300  FF FF FF FF 01 00 FF FF FF FF FF FF FF FF FF FF  ÿÿÿÿ..ÿÿÿÿÿÿÿÿÿÿ</pre> || <pre>Offset(h) 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F
 
0FF00300  FF 7F FF FF 11 00 FF FF FF FF FF FF FF FF FF FF  ÿ.ÿÿ..ÿÿÿÿÿÿÿÿÿÿ</pre> || <pre>Offset(h) 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F
 
0FF00300  FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF  ÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿ</pre>
|-
|-
| 0x01C || 0x4 || ? || ''reserved'' ||
|-
| 0x020 || 0x4 || ? || '''otheros_bootloader_format''' ||
|-
| 0x024 || 0x4 || ? || '''otheros_bootloader_size''' ||
|-
| 0x028 || 0x1D8 || ? || ''reserved'' || up to 0x200 (1 block)
|}
|}


{| class="wikitable"
|+CellOS area
! Offset !! Length !! Example !! Name !! Notes
|-
| 0x200 || 0x4 || 0 || '''boot_flag''' || 0 = GameOS<br>1 = OtherOS
|-
| 0x204 || 0xC || ? || ''reserved'' ||
|-
| 0x210 || 0x1F0 || ? || ''ext_params'' || up to 0x400 (2 blocks)
|}


{| class="wikitable"
 
|+OtherOS area
 
! Offset !! Length !! Example !! Name !! Notes
 
|-
 
| 0x400 || varies || ? || ''unknown'' ||
 
|-
 
| varies || varies || ? || '''otheros_bootloader''' || end of region at 0x400000 (8192 blocks)
[EOF]
|}
 
----
 
 
 
 
 
 
----




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{{Flash}}
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[[Category:Flash]]
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