Nintendo Switch Brew

Changes

CNMT (view source)

Revision as of 16:59, 5 March 2020

657 bytes added ,  16:59, 5 March 2020
Fix SystemUpdate Extended Data, change some names
Line 1: Line 1:  
This is the metadata file that ends in <code>".cnmt{.nca}"</code> or <code>"meta0.ncd"</code>. This seems to replace the TMD format.
 
This is the metadata file that ends in <code>".cnmt{.nca}"</code> or <code>"meta0.ncd"</code>. This seems to replace the TMD format.
   −
There's at least 9 different filenames used for ".cnmt":
+
The official name for CNMT is "PackagedContentMeta".
−
* "Application_{lower-case hex titleID}.cnmt"
  −
* "Patch_{lower-case hex titleID}.cnmt"
  −
* "AddOnContent_{lower-case hex titleID}.cnmt"
  −
* "SystemUpdate_{hex titleID}.cnmt"
  −
* "SystemData_{lower-case hex titleID}.cnmt"
  −
* "SystemProgram_{lower-case hex titleID}.cnmt"
  −
* "BootImagePackage_{lower-case hex titleID}.cnmt"
  −
* "BootImagePackageSafe_{lower-case hex titleID}.cnmt"
  −
* "Delta_{lower-case hex titleID}.cnmt"
      
== Header ==
 
== Header ==
Line 21: Line 12:  
| 0x0
 
| 0x0
 
| 0x8
 
| 0x8
−
| Title ID
+
| Program ID
 
|-
 
|-
 
| 0x8
 
| 0x8
 
| 0x4
 
| 0x4
−
| Title Version
+
| Version
 
|-
 
|-
 
| 0xC
 
| 0xC
 
| 0x1
 
| 0x1
−
| [[NCM_services#Title_Types|Meta Type]]
+
| [[NCM_services#Title_Types|Content Meta Type]]
 
|-
 
|-
 
| 0xD
 
| 0xD
 
| 0x1
 
| 0x1
−
| Unused
+
| Reserved
 
|-
 
|-
 
| 0xE
 
| 0xE
Line 49: Line 40:  
| 0x14
 
| 0x14
 
| 0x1
 
| 0x1
−
| Attributes (0=None, 1=IncludesExFatDriver, 2=Rebootless)
+
| Content Meta Attributes (0=None, 1=IncludesExFatDriver, 2=Rebootless)
 
|-
 
|-
 
| 0x15
 
| 0x15
 
| 0x3
 
| 0x3
−
| Unused
+
| Reserved
 
|-
 
|-
 
| 0x18
 
| 0x18
Line 61: Line 52:  
| 0x1C
 
| 0x1C
 
| 0x4
 
| 0x4
−
| Unused
+
| Reserved
 
|}
 
|}
   Line 93: Line 84:  
| 0xC
 
| 0xC
 
| 0x4
 
| 0x4
−
| Unused
+
| Required Application Version
 
|}
 
|}
   Line 117: Line 108:  
| 0x10
 
| 0x10
 
| 0x8
 
| 0x8
−
| Unused
+
| Reserved
 
|}
 
|}
   Line 137: Line 128:  
| 0xC
 
| 0xC
 
| 0x4
 
| 0x4
−
| Unused
+
| Reserved
 
|}
 
|}
   Line 157: Line 148:  
| 0xC
 
| 0xC
 
| 0x4
 
| 0x4
−
| Unused
+
| Reserved
 
|}
 
|}
   −
== Content Records ==
+
== Packaged Content Info ==
    
{| class="wikitable" border="1"
 
{| class="wikitable" border="1"
Line 186: Line 177:  
| 0x37
 
| 0x37
 
| 0x1
 
| 0x1
−
| Id Offset
+
| ID Offset
 
|}
 
|}
   −
== Content Meta Records ==
+
== Content Meta Info ==
    
{| class="wikitable" border="1"
 
{| class="wikitable" border="1"
Line 199: Line 190:  
| 0x0
 
| 0x0
 
| 0x8
 
| 0x8
−
| Title ID
+
| Program ID
 
|-
 
|-
 
| 0x8
 
| 0x8
Line 207: Line 198:  
| 0xC
 
| 0xC
 
| 0x1
 
| 0x1
−
| [[NCM_services#Title_Types|Meta Type]]
+
| [[NCM_services#Title_Types|Content Meta Type]]
 
|-
 
|-
 
| 0xD
 
| 0xD
 
| 0x1
 
| 0x1
−
| Attributes (0=None, 1=IncludesExFatDriver, 2=Rebootless)
+
| Content Meta Attributes (0=None, 1=IncludesExFatDriver, 2=Rebootless)
 
|-
 
|-
 
| 0xE
 
| 0xE
 
| 0x2
 
| 0x2
−
| Unused
+
| Reserved
 
|}
 
|}
   Line 222: Line 213:  
== SystemUpdate Extended Data ==
 
== SystemUpdate Extended Data ==
    +
If the Version field is 1, the format is:
 +
{| class="wikitable" border="1"
 +
|-
 +
! Offset
 +
! Size
 +
! Description
 +
|-
 +
| 0x0
 +
| 0x4
 +
| Version
 +
|-
 +
| 0x4
 +
| 0x4
 +
| Variation Count
 +
|-
 +
| 0x8
 +
| 0x20 * Variation Count
 +
| [[CNMT#Firmware_Variation_Info_(Version_1)|Firmware Variation Info (Version 1)]]
 +
|}
 +
 +
If the Version field is 2, the format is:
 
{| class="wikitable" border="1"
 
{| class="wikitable" border="1"
 
|-
 
|-
Line 237: Line 249:  
|-
 
|-
 
| 0x8
 
| 0x8
 +
| 0x4 * Variation Count
 +
| Firmware Variation ID
 +
|-
 +
|
 +
| 0x20 * Variation Count
 +
| [[CNMT#Firmware_Variation_Info_(Version_2)|Firmware Variation Info (Version 2)]]
 +
|-
 +
|
 +
| 0x10 * Meta Count (From [[CNMT#Firmware_Variation_Info_(Version_2)|Firmware Variation Info (Version 2)]])
 +
| [[CNMT#Content_Meta_Info|Content Meta Info]] (If Refer To Base is True)
 +
|}
 +
 +
=== Firmware Variation Info (Version 1) ===
 +
 +
{| class="wikitable" border="1"
 +
|-
 +
! Offset
 +
! Size
 +
! Description
 +
|-
 +
| 0x0
 
| 0x4
 
| 0x4
−
| Firmware Variation
+
| Firmware Variation ID
−
|-  
+
|-
−
| 0xC
+
| 0x4
−
| 0x1C * Variation Count
+
| 0x1C
−
| Unused
+
| Reserved
 +
|}
 +
 
 +
=== Firmware Variation Info (Version 2) ===
 +
 
 +
{| class="wikitable" border="1"
 +
|-
 +
! Offset
 +
! Size
 +
! Description
 +
|-
 +
| 0x0
 +
| 0x1
 +
| Refer To Base (0=False, 1=True)
 +
|-
 +
| 0x1
 +
| 0x3
 +
| Reserved
 +
|-
 +
| 0x4
 +
| 0x4
 +
| Meta Count
 +
|-
 +
| 0x8
 +
| 0x18
 +
| Reserved
 
|}
 
|}
   Line 279: Line 337:  
| 0x18
 
| 0x18
 
| 0x4
 
| 0x4
−
| Unused
+
| Reserved
 
|-
 
|-
 
| 0x1C
 
| 0x1C
Line 299: Line 357:  
|  
 
|  
 
| 0x18 * History Content Count
 
| 0x18 * History Content Count
−
| [[CNMT#Content_Records|History Content Records (Content Records without the Hash entry)]]
+
| [[CNMT#Packaged_Content_Info|History Content Info]] (Packaged Content Info without the Hash entry)
 
|-
 
|-
 
|  
 
|  
 
| 0x38 * Delta Content Count
 
| 0x38 * Delta Content Count
−
| [[CNMT#Content_Records|Delta Content Records]]
+
| [[CNMT#Packaged_Content_Info|Delta Packaged Content Info]]
 
|-
 
|-
 
|
 
|
−
| 0x4 * Fragment Indicator Count (Fragment Set)
+
| 0x4 * Fragment Indicator Count (From [[CNMT#Fragment_Set|Fragment Sets]])
 
| [[CNMT#Fragment_Indicator|Fragment Indicators]]
 
| [[CNMT#Fragment_Indicator|Fragment Indicators]]
 
|}
 
|}
Line 320: Line 378:  
| 0x0
 
| 0x0
 
| 0x10
 
| 0x10
−
| [[CNMT#Content_Meta_Records|Content Meta Record]]
+
| Content Meta Key (Slightly different Content Meta Info)
−
|-
  −
| 0xC
  −
| 0x1
  −
| [[NCM_services#Title_Types|Meta Type]]
  −
|-
  −
| 0xD
  −
| 0x1
  −
| Attributes (0=None, 1=IncludesExFatDriver, 2=Rebootless)
  −
|-
  −
| 0xE
  −
| 0x2
  −
| Unused
   
|-
 
|-
 
| 0x10
 
| 0x10
Line 344: Line 390:  
| 0x32
 
| 0x32
 
| 0x6
 
| 0x6
−
| Unused
+
| Reserved
 
|}
 
|}
   Line 377: Line 423:  
| 0x20
 
| 0x20
 
| 0x8
 
| 0x8
−
| Unused
+
| Reserved
 
|}
 
|}
   Line 410: Line 456:  
| 0x1A
 
| 0x1A
 
| 0x6
 
| 0x6
−
| Unused
+
| Reserved
 
|-
 
|-
 
| 0x20
 
| 0x20
Line 418: Line 464:  
| 0x22
 
| 0x22
 
| 0x6
 
| 0x6
−
| Unused
+
| Reserved
 
|}
 
|}
   Line 451: Line 497:  
| 0x2E
 
| 0x2E
 
| 0x1
 
| 0x1
−
| Content Type (0=Meta, 1=Program, 2=Data, 3=Control, 4=[[Internet_Browser|HtmlDocument]], 5=[[Internet_Browser|LegalInformation]], 6=[[NCA_Format|DeltaFragment]])
+
| Fragment Target Content Type (0=Meta, 1=Program, 2=Data, 3=Control, 4=[[Internet_Browser|HtmlDocument]], 5=[[Internet_Browser|LegalInformation]], 6=[[NCA_Format|DeltaFragment]])
 
|-
 
|-
 
| 0x2F
 
| 0x2F
Line 459: Line 505:  
| 0x30
 
| 0x30
 
| 0x4
 
| 0x4
−
| Unused
+
| Reserved
 
|}
 
|}
   Line 509: Line 555:  
| 0x1A
 
| 0x1A
 
| 0x6
 
| 0x6
−
| Unused
+
| Reserved
 
|-
 
|-
 
| 0x20
 
| 0x20
Line 516: Line 562:  
|-
 
|-
 
|
 
|
−
| 0x4 * Fragment Indicator Count (Fragment Set)
+
| 0x4 * Fragment Indicator Count (From [[CNMT#Fragment_Set|Fragment Sets]])
 
| [[CNMT#Fragment_Indicator|Fragment Indicators]]
 
| [[CNMT#Fragment_Indicator|Fragment Indicators]]
 
|}
 
|}
Liam
23

edits

Retrieved from "https://switchbrew.org/wiki/Special:MobileDiff/8873"