Editing Talk:Non Volatile Storage

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From kernel of PS4 System Software version 1.76.
From kernel of PS4 System Software version 1.76.


<syntaxhighlight lang="C">
<source lang="C">
sceSblDevActVerifyCheckExpire:
sceSblDevActVerifyCheckExpire:
icc_nvs_read(0LL, 4uLL, 0x80LL, 0x68uLL, &data_ptr);
icc_nvs_read(0LL, 4uLL, 0x80LL, 0x68uLL, &data_ptr);
Line 56: Line 56:
sub_FFFFFFFF827D8E30:???
sub_FFFFFFFF827D8E30:???
icc_nvs_write(0LL, 4uLL, 0LL, 0x20uLL, &dipsw_FFFFFFFF836C0090);
icc_nvs_write(0LL, 4uLL, 0LL, 0x20uLL, &dipsw_FFFFFFFF836C0090);
</syntaxhighlight>
</source>


From kernel of PS4 System Software version 1.00 Tool (DevKit).
From kernel of PS4 System Software version 1.00 Tool (DevKit).


<syntaxhighlight lang="C">
<source lang="C">
sce_cam_error_put:
sce_cam_error_put:


Line 117: Line 117:
       if ( v3 != (_BYTE)a1 )
       if ( v3 != (_BYTE)a1 )
         return 5 * (unsigned int)((unsigned int)icc_nvs_write(0LL, 4LL, 0x322LL, 1LL, &v4) != 0);
         return 5 * (unsigned int)((unsigned int)icc_nvs_write(0LL, 4LL, 0x322LL, 1LL, &v4) != 0);
</syntaxhighlight>
</source>


= About EAP Hdd Key =
= About EAP Hdd Key =
Line 126: Line 126:
* unk_FFFFFFFF836BC010 (0x70) <- decrypted eap_hdd_key ?
* unk_FFFFFFFF836BC010 (0x70) <- decrypted eap_hdd_key ?


<syntaxhighlight lang="C">
<source lang="C">
   v7 = icc_nvs_read(0LL, 4uLL, 0x200LL, v2, &enc_eap_key_);
   v7 = icc_nvs_read(0LL, 4uLL, 0x200LL, v2, &enc_eap_key_);
   if ( v7 ) {
   if ( v7 ) {
Line 136: Line 136:
   v12 = &eap_key_;
   v12 = &eap_key_;
   if ( sceSblGetEAPInternalPartitionKey(&enc_eap_key_, &eap_key_) )
   if ( sceSblGetEAPInternalPartitionKey(&enc_eap_key_, &eap_key_) )
</syntaxhighlight>
</source>
 
= NVS Bank 2 =
 
Bank 2 is probably a backup bank. It is accessed by sub_FFFFFFFF827D2F50:qafutkn ??? icc_nvs_read(1LL, 4uLL, 0x0a00LL, 0x190uLL, &data_ptr);
 
The whole NVS is accesible via /dev/sflash0s0x34 and its size is probably 49152 bytes.


= From EMC =
= From EMC =


{| class="wikitable"
<pre>
|+ Serial Flash NVS Area accessed by PS4 EMC firmware around 1.76
storage_part0_desc struc_142370 <0, 0, 0x1C4000, 0x1000, 1, 0, 0, 0>
|-
storage_part1_desc struc_142370 <1, 0x1000, 0x1C5000, 0x1000, 1, 1, 0x1CE000, 0x1CF000>
! Index !! Offset in NVS !! Offset in sflash0 !! Size !! Unknown ?read? !! Has backup ?write? !! Backup address !! ?Backup address 2? !! Notes
storage_part2_desc struc_142370 <2, 0x2000, 0x1C6000, 0x1000, 1, 0, 0, 0>
|-
storage_part3_desc struc_142370 <3, 0x3000, 0x1C7000, 0x1000, 1, 0, 0, 0>
| 0 || 0 || 0x1C4000 || 0x1000 || 1 || 0 || 0 || 0 || Per-console fixed data
storage_part4_desc struc_142370 <4, 0x4000, 0x1C8000, 0x800, 1, 0, 0, 0>
|-
storage_part5_desc struc_142370 <5, 0x4800, 0x1C8800, 0x800, 1, 0, 0, 0>
| 1 || 0x1000 || 0x1C5000 || 0x1000 || 1 || 1 || 0x1CE000 || 0x1CF000 || Logs (including statistics)
storage_part6_desc struc_142370 <6, 0x5000, 0x1C9000, 0x3000, 1, 0, 0, 0>
|-
</pre>
| 2 || 0x2000 || 0x1C6000 || 0x1000 || 1 || 0 || 0 || 0 || Unknown area
 
|-
= Some samples =
| 3 || 0x3000 || 0x1C7000 || 0x1000 || 1 || 0 || 0 || 0 || pd region
 
|-
== hw_info ==
| 4 || 0x4000 || 0x1C8000 || 0x800 || 1 || 0 || 0 || 0 || ds region
 
|-
<pre>
| 5 || 0x4800 || 0x1C8800 || 0x800 || 1 || 0 || 0 || 0 || cs region
00TS4DB00K2180050
|-
</pre>
| 6 || 0x5000 || 0x1C9000 || 0x3000 || 1 || 0 || 0 || 0 || os region
 
|}
== hw_model ==
 
<pre>
DUT-DBW00JK-S0
</pre>
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