Editing SC EEPROM
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| Latest revision | Your text | ||
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| colspan="2" | 0x48C00 || 0x20 || (lv0 NVS region 2 start) | | colspan="2" | 0x48C00 || 0x20 || (lv0 NVS region 2 start) | ||
|- | |- | ||
| rowspan="22" | <abbr title="lv0 NVS region 2: 0x48C00-0x48C1F"><small>2</small></abbr> || 0x48C00 || 1 || boot flag (load_image_in_rom flag (os_boot_order_flag) | | rowspan="22" | <abbr title="lv0 NVS region 2: 0x48C00-0x48C1F"><small>2</small></abbr> || 0x48C00 || 1 || boot flag (load_image_in_rom flag (os_boot_order_flag), 0 = network 1st, 1 = flash 1st) | ||
|- | |- | ||
| 0x48C01 || 1 || sys.dbgcard.hostpc (force standalone mode related) | | 0x48C01 || 1 || sys.dbgcard.hostpc (force standalone mode related) | ||
|- | |- | ||
| 0x48C02 || 1 || Network Device Mode (sys.dbgcard.dgbe / debug interface (select_net_device) | | 0x48C02 || 1 || Network Device Mode (sys.dbgcard.dgbe / debug interface (select_net_device) (-1: Ethernet 2, 0: IFB, 1: CP, 2: SB UART, 3: CP ch4, 5: invalid <!-- used on retail consoles -->)) | ||
|- | |- | ||
| 0x48C03 || 1 || sys.dbgcard.dgbe.index (select_dgbe_device) | | 0x48C03 || 1 || sys.dbgcard.dgbe.index (select_dgbe_device) | ||
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| 0x48C0F || 2 || cell os flags (loader parameter) | | 0x48C0F || 2 || cell os flags (loader parameter) | ||
|- | |- | ||
| 0x48C11 || 1 || bootrom trace level | | 0x48C11 || 1 || bootrom trace level (0x00: fatal errors, 0x01: errors, 0x02: information messages, 0x03: debug messages) | ||
|- | |- | ||
| 0x48C12 || 1 || ? | | 0x48C12 || 1 || ? | ||
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| 0x48C14 || 4 || cellos_spu_configure | | 0x48C14 || 4 || cellos_spu_configure | ||
|- | |- | ||
| 0x48C18 || 4 || Safe Mode System Language | | 0x48C18 || 4 || Safe Mode System Language [[XRegistry.sys#Settings]] ( /setting/system/language ) | ||
|- | |- | ||
| 0x48C1C || 4 || Safe Mode VSH Target (maybe QA,Debug,Retail,Kiosk?) | | 0x48C1C || 4 || Safe Mode VSH Target (seems it can be 0xFFFFFFFE, 0xFFFFFFFF, 0x00000001 default: 0x00000000 /maybe QA,Debug,Retail,Kiosk?) | ||
|-{{cellcolors|lightgrey}} | |-{{cellcolors|lightgrey}} | ||
| colspan="2" | 0x48C1F || - || (lv0 NVS region 2 end) | | colspan="2" | 0x48C1F || - || (lv0 NVS region 2 end) | ||
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| 0x48C61 || 1 || Recover Mode Flag | | 0x48C61 || 1 || Recover Mode Flag | ||
|- | |- | ||
| 0x48C62 || 8 || boot param | | 0x48C62 || 8 || boot param | ||
|- | |- | ||
| 0x48C6A || 2 || factory process completion | | 0x48C6A || 2 || factory process completion % | ||
|-{{cellcolors|lightgrey}} | |-{{cellcolors|lightgrey}} | ||
| colspan="2" | 0x48C4F || - || (lv0 NVS region 5 end) | | colspan="2" | 0x48C4F || - || (lv0 NVS region 5 end) | ||
| Line 389: | Line 359: | ||
This is 0x48800 on SC EEPROM, or at 0x7100 (mullions with 32KB EEPROM used), or at 0x4100 (mullions with 20KB EEPROM used), or at 0x1100 (sherwoods) | This is 0x48800 on SC EEPROM, or at 0x7100 (mullions with 32KB EEPROM used), or at 0x4100 (mullions with 20KB EEPROM used), or at 0x1100 (sherwoods) | ||
Accessed by [[Hypervisor_Reverse_Engineering | Hypervisor Service ID 32]] | Accessed by [[Hypervisor_Reverse_Engineering | Hypervisor Service ID 32]] REQUEST_SYSTEM_EVENT_LOG ? | ||
There is an unknown syscon response of 0x100 bytes when using NVS service with such params: BlockID=1, Offset=0, Size=0. | There is an unknown syscon response of 0x100 bytes when using NVS service with such params: BlockID=1, Offset=0, Size=0. | ||
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</pre> | </pre> | ||
The structure of an slot seems to be: 0x4 (timestamp | The structure of an slot seems to be: 0x4 (timestamp ?) + 0x4 (ID ?) + 0x20 (data) | ||
<pre> | <pre> | ||
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00007130 6E 65 63 74 00 00 00 00 nect.... | 00007130 6E 65 63 74 00 00 00 00 nect.... | ||
</pre> | </pre> | ||
== lv0 SC EEPROM usage == | == lv0 SC EEPROM usage == | ||
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| 0x290-0x4FF || Unknown || | | 0x290-0x4FF || Unknown || | ||
|- | |- | ||
| 0x500-0x55F || magic1 (static bytes) | | 0x500-0x55F || magic1(static bytes) || | ||
| | |||
|- | |- | ||
| 0x560-0x95F || Authenticated Data Region 0 (snvs region 0), not used || Used on COK-001, DIA-001 / CXR714120-304GB / 40nm RSX (official refurbished) | | 0x560-0x95F || Authenticated Data Region 0 (snvs region 0), not used || Used on COK-001, DIA-001 / CXR714120-304GB / 40nm RSX (official refurbished) | ||
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=== Tests === | === Tests === | ||
* [ | * [http://i.imgur.com/A8g00bD.png AES128CBC with fixed key and incremented iv (by 1 each time)] | ||
* [ | * [http://i.imgur.com/HZDWGSk.png results] | ||
* [ | * [http://i.imgur.com/2mtrtdm.png region 0 encrypted] vs [http://i.imgur.com/7bSdQni.png decrypted] | ||
* [ | * [http://i.imgur.com/FGJKkuz.png region 7 encrypted] vs [http://i.imgur.com/7TSeHWK.png decrypted] | ||
=== Conclusion === | === Conclusion === | ||
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=== User Token === | === User Token === | ||
Used to test a | Used to test a userland application. | ||
=== Token Seed === | === Token Seed === | ||
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=== User Token === | === User Token === | ||
< | <source lang="C"> | ||
struct user_token_attr { | struct user_token_attr { | ||
uint32_t type; // usually 1, 0 for last attribute | uint32_t type; // usually 1, 0 for last attribute | ||
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uint8_t digest[0x14]; // certainly SHA-1 | uint8_t digest[0x14]; // certainly SHA-1 | ||
} | } | ||
</ | </source> | ||
{| class="wikitable FCK__ShowTableBorders" | {| class="wikitable FCK__ShowTableBorders" | ||
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{| border="1" cellspacing="0" cellpadding="5" border="#999" class="wikitable" style="border:1px solid #999; border-collapse: collapse;" | {| border="1" cellspacing="0" cellpadding="5" border="#999" class="wikitable" style="border:1px solid #999; border-collapse: collapse;" | ||
|- | |- | ||
! style="background-color:red | ! style="background-color:red;" | <span style="background-color:lightred; color:white; font-size:200%; ">Warning</span> | ||
|- | |- | ||
| <span style="white; color:red | | style="background-color:white;" | <span style="white; color:red; font-size:150%; text-align:center; ">You can use this method at your own risk. Author is not responsible for any hardware damages and failures. | ||
|} | |} | ||