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Line 1:
Line 1: − There's at least 9 different filenames used for ".cnmt":+ − * "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 == Line 21:
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Line 440: − + − | Version − |- − | 0xC − | 0x1 − | [[NCM_services#Title_Types|Meta Type]] − |- − | 0xD − | 0x1 − | Attributes (0=None, 1=IncludesExFatDriver, 2=Rebootless) − |- − | 0xE − | 0x2 − | Unused Line 341:
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Line 602: − + − + − + − + − + − + − + − + − + − + − + − == Digest ==+ −
Fix new field name
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.
The official name for CNMT is "PackagedContentMeta".
= PackagedContentMetaHeader =
This is "nn::ncm::PackagedContentMetaHeader".
{| class="wikitable" border="1"
{| class="wikitable" border="1"
|-
|-
| 0x0
| 0x0
| 0x8
| 0x8
| Title ID
| Id
|-
|-
| 0x8
| 0x8
| 0xC
| 0xC
| 0x1
| 0x1
| [[NCM_services#Title_Types|Meta Type]]
| [[NCM_services#ContentMetaType|ContentMetaType]]
|-
|-
| 0xD
| 0xD
| 0x1
| 0x1
| Unused
| Reserved
|-
|-
| 0xE
| 0xE
| 0x2
| 0x2
| Extended Header Size
| ExtendedHeaderSize
|-
|-
| 0x10
| 0x10
| 0x2
| 0x2
| Content Count
| ContentCount
|-
|-
| 0x12
| 0x12
| 0x2
| 0x2
| Content Meta Count
| ContentMetaCount
|-
|-
| 0x14
| 0x14
| 0x1
| 0x1
| Attributes (0=None, 1=IncludesExFatDriver, 2=Rebootless)
| ContentMetaAttributes (0=None, 1=IncludesExFatDriver, 2=Rebootless, 4=Compacted)
|-
|-
| 0x15
| 0x15
| 0x3
| 0x3
| Unused
| Reserved
|-
|-
| 0x18
| 0x18
| 0x4
| 0x4
| Required Download System Version
| RequiredDownloadSystemVersion
|-
|-
| 0x1C
| 0x1C
| 0x4
| 0x4
| Unused
| Reserved
|}
|}
== SystemUpdate Extended Header ==
= SystemUpdateMetaExtendedHeader =
This is "nn::ncm::SystemUpdateMetaExtendedHeader".
{| class="wikitable" border="1"
{| class="wikitable" border="1"
|-
|-
| 0x0
| 0x0
| 0x4
| 0x4
| Extended Data Size
| ExtendedDataSize
|}
|}
== Application Extended Header ==
= ApplicationMetaExtendedHeader =
This is "nn::ncm::ApplicationMetaExtendedHeader".
{| class="wikitable" border="1"
{| class="wikitable" border="1"
|-
|-
| 0x0
| 0x0
| 0x8
| 0x8
| Patch ID
| PatchId
|-
|-
| 0x8
| 0x8
| 0x4
| 0x4
| Required System Version
| RequiredSystemVersion
|-
|-
| 0xC
| 0xC
| 0x4
| 0x4
| Unused
| RequiredApplicationVersion
|}
|}
== Patch Extended Header ==
= PatchMetaExtendedHeader =
This is "nn::ncm::PatchMetaExtendedHeader".
{| class="wikitable" border="1"
{| class="wikitable" border="1"
|-
|-
| 0x0
| 0x0
| 0x8
| 0x8
| Application ID
| ApplicationId
|-
|-
| 0x8
| 0x8
| 0x4
| 0x4
| Required System Version
| RequiredSystemVersion
|-
|-
| 0xC
| 0xC
| 0x4
| 0x4
| Extended Data Size
| ExtendedDataSize
|-
| 0x10
| 0x8
| Reserved
|}
= AddOnContentMetaExtendedHeader =
This is "nn::ncm::AddOnContentMetaExtendedHeader".
{| class="wikitable" border="1"
|-
! Offset
! Size
! Description
|-
| 0x0
| 0x8
| ApplicationId
|-
| 0x8
| 0x4
| RequiredApplicationVersion
|-
| 0xC
| 0x1
| [15.0.0+] ContentAccessibilities ([1.0.0-14.1.2] Reserved)
|-
| 0xD
| 0x3
| Reserved
|-
|-
| 0x10
| 0x10
| 0x8
| 0x8
| Unused
| [15.0.0+] DataPatchId
|}
|}
== AddOnContent Extended Header ==
= DeltaMetaExtendedHeader =
This is "nn::ncm::DeltaMetaExtendedHeader".
{| class="wikitable" border="1"
{| class="wikitable" border="1"
|-
|-
| 0x0
| 0x0
| 0x8
| 0x8
| Application ID
| ApplicationId
|-
|-
| 0x8
| 0x8
| 0x4
| 0x4
| Required Application Version
| ExtendedDataSize
|-
|-
| 0xC
| 0xC
| 0x4
| 0x4
| Unused
| Reserved
|}
|}
== Delta Extended Header ==
= DataPatchMetaExtendedHeader =
This is "nn::ncm::DataPatchMetaExtendedHeader".
This was added with [15.0.0+].
{| class="wikitable" border="1"
{| class="wikitable" border="1"
|-
|-
| 0x0
| 0x0
| 0x8
| 0x8
| Application ID
| DataId
|-
|-
| 0x8
| 0x8
| 0x8
| ApplicationId
|-
| 0x10
| 0x4
| 0x4
| Extended Data Size
| RequiredApplicationVersion
|-
|-
| 0xC
| 0x14
| 0x4
| 0x4
| Unused
| ExtendedDataSize
|-
| 0x18
| 0x8
| Reserved
|}
|}
== Content Records ==
= PackagedContentInfo =
This is "nn::ncm::PackagedContentInfo".
{| class="wikitable" border="1"
{| class="wikitable" border="1"
| 0x0
| 0x0
| 0x20
| 0x20
| Hash
| Hash (SHA256 of the referenced content)
|-
|-
| 0x20
| 0x20
| 0x10
| 0x10
| Content ID
| ContentId
|-
|-
| 0x30
| 0x30
| 0x6
| [15.0.0+] 0x5 ([1.0.0-14.1.2] 0x6)
| Size
| Size
|-
| 0x35
| 0x1
| [15.0.0+] ContentAttributes
|-
|-
| 0x36
| 0x36
| 0x1
| 0x1
| Title Type (0=Meta, 1=Program, 2=Data, 3=Control, 4=[[Internet_Browser|HtmlDocument]], 5=[[Internet_Browser|LegalInformation]], 6=[[NCA_Format|DeltaFragment]])
| ContentType (0=Meta, 1=Program, 2=Data, 3=Control, 4=[[Internet_Browser|HtmlDocument]], 5=[[Internet_Browser|LegalInformation]], 6=[[NCA_Format|DeltaFragment]])
|-
|-
| 0x37
| 0x37
| 0x1
| 0x1
| Id Offset
| IdOffset
|}
|}
== Content Meta Records ==
= ContentMetaInfo =
This is "nn::ncm::ContentMetaInfo".
{| class="wikitable" border="1"
{| class="wikitable" border="1"
| 0x0
| 0x0
| 0x8
| 0x8
| Title ID
| Id
|-
|-
| 0x8
| 0x8
| 0xC
| 0xC
| 0x1
| 0x1
| [[NCM_services#Title_Types|Meta Type]]
| [[NCM_services#Title_Types|ContentMetaType]]
|-
|-
| 0xD
| 0xD
| 0x1
| 0x1
| Attributes (0=None, 1=IncludesExFatDriver, 2=Rebootless)
| ContentMetaAttributes (0=None, 1=IncludesExFatDriver, 2=Rebootless, 4=Compacted)
|-
|-
| 0xE
| 0xE
| 0x2
| 0x2
| Unused
| Reserved
|}
|}
This is used for SystemUpdate, see here: [[NCM_services#ReadEntryMetaRecords]].
This is used for SystemUpdate, see here: [[NCM_services#ReadEntryMetaRecords]].
== SystemUpdate Extended Data ==
= SystemUpdateMetaExtendedData =
This is "nn::ncm::SystemUpdateMetaExtendedData".
If the Version field is 1, the format is:
{| class="wikitable" border="1"
{| class="wikitable" border="1"
|-
|-
| 0x4
| 0x4
| 0x4
| 0x4
| Variation Count
| VariationCount
|-
|-
| 0x8
| 0x8
| 0x20 * VariationCount
| [[#FirmwareVariationInfo|FirmwareVariationInfo]] (Version 1)
|}
If the Version field is 2, the format is:
{| class="wikitable" border="1"
|-
! Offset
! Size
! Description
|-
| 0x0
| 0x4
| 0x4
| Firmware Variation
| Version
|-
|-
| 0xC
| 0x4
| 0x1C * Variation Count
| 0x4
| Unused
| VariationCount
|-
| 0x8
| 0x4 * VariationCount
| FirmwareVariationId
|-
| Variable
| 0x20 * VariationCount
| [[#FirmwareVariationInfo|FirmwareVariationInfo]] (Version 2)
|-
| Variable
| 0x10 * MetaCount (from [[#FirmwareVariationInfo|FirmwareVariationInfo]] (Version 2))
| [[#ContentMetaInfo|ContentMetaInfo]] (if ReferToBase is False)
|}
== FirmwareVariationInfo ==
This is "FirmwareVariationInfo ".
If the Version field is 1, the format is:
{| class="wikitable" border="1"
|-
! Offset
! Size
! Description
|-
| 0x0
| 0x4
| FirmwareVariationId
|-
| 0x4
| 0x1C
| Reserved
|}
If the Version field is 2, the format is:
{| class="wikitable" border="1"
|-
! Offset
! Size
! Description
|-
| 0x0
| 0x1
| ReferToBase (0=False, 1=True)
|-
| 0x1
| 0x3
| Reserved
|-
| 0x4
| 0x4
| MetaCount
|-
| 0x8
| 0x18
| Reserved
|}
|}
== Patch Extended Data ==
= PatchMetaExtendedData =
This is "nn::ncm::PatchMetaExtendedData".
{| class="wikitable" border="1"
{| class="wikitable" border="1"
| 0x0
| 0x0
| 0x4
| 0x4
| History Count
| PatchHistoryHeaderCount
|-
|-
| 0x4
| 0x4
| 0x4
| 0x4
| Delta History Count
| PatchDeltaHistoryCount
|-
|-
| 0x8
| 0x8
| 0x4
| 0x4
| Delta Count
| PatchDeltaHeaderCount
|-
|-
| 0xC
| 0xC
| 0x4
| 0x4
| Fragment Set Count
| FragmentSetCount
|-
|-
| 0x10
| 0x10
| 0x4
| 0x4
| History Content Count
| PatchHistoryContentInfoCount
|-
|-
| 0x14
| 0x14
| 0x4
| 0x4
| Delta Content Count
| PatchDeltaPackagedContentInfoCount
|-
|-
| 0x18
| 0x18
| 0x4
| 0x4
| Unused
| Reserved
|-
|-
| 0x1C
| 0x1C
| 0x38 * History Count
| 0x38 * PatchHistoryHeaderCount
| [[CNMT#Patch_Extended_Data#History_Header|History Headers]]
| [[#PatchHistoryHeader|PatchHistoryHeader]]
|-
|-
|
| Variable
| 0x28 * Delta History Count
| 0x28 * PatchDeltaHistoryCount
| [[CNMT#Patch_Extended_Data#Delta_History|Delta Histories]]
| [[#PatchDeltaHistory|PatchDeltaHistory]]
|-
|-
|
| Variable
| 0x28 * Delta Count
| 0x28 * PatchDeltaHeaderCount
| [[CNMT#Patch_Extended_Data#Delta_Header|Delta Headers]]
| [[#PatchDeltaHeader|PatchDeltaHeader]]
|-
|-
|
| Variable
| 0x34 * Fragment Set Count
| 0x34 * FragmentSetCount
| [[CNMT#Patch_Extended_Data#Fragment_Set|Fragment Sets]]
| [[#FragmentSet|FragmentSet]]
|-
|-
|
| Variable
| 0x18 * History Content Count
| 0x18 * PatchHistoryContentInfoCount
| [[CNMT#Content_Records|History Content Records (Content Records without the Hash entry)]]
| [[#PackagedContentInfo|PatchHistoryContentInfo]] ([[#PackagedContentInfo|PackagedContentInfo]] without the Hash entry)
|-
|-
|
| Variable
| 0x38 * Delta Content Count
| 0x38 * PatchDeltaPackagedContentInfoCount
| [[CNMT#Content_Records|Delta Content Records]]
| [[#PackagedContentInfo|PatchDeltaPackagedContentInfo]]
|-
|-
|
| Variable
| 0x4 * Fragment Indicator Count (Fragment Set)
| 0x4 * FragmentIndicatorCount (from [[#FragmentSet|FragmentSet]])
| [[CNMT#Patch_Extended_Data#Fragment_Indicator|Fragment Indicators]]
| [[#FragmentIndicator|FragmentIndicator]]
|}
|}
=== History Header ===
== PatchHistoryHeader ==
This is "nn::ncm::PatchHistoryHeader".
{| class="wikitable" border="1"
{| class="wikitable" border="1"
| 0x0
| 0x0
| 0x10
| 0x10
| [[CNMT#Content_Meta_Records|Content Meta Record]]
| ContentMetaKey
|-
|-
| 0x10
| 0x10
| 0x30
| 0x30
| 0x2
| 0x2
| Content Info Count
| ContentInfoCount
|-
|-
| 0x32
| 0x32
| 0x6
| 0x6
| Unused
| Reserved
|}
|}
=== Delta History ===
== PatchDeltaHistory ==
This is "nn::ncm::PatchDeltaHistory".
{| class="wikitable" border="1"
{| class="wikitable" border="1"
| 0x0
| 0x0
| 0x8
| 0x8
| Source Patch ID
| SourcePatchId
|-
|-
| 0x8
| 0x8
| 0x8
| 0x8
| Destination Patch ID
| DestinationPatchId
|-
|-
| 0x10
| 0x10
| 0x4
| 0x4
| Source Version
| SourceVersion
|-
|-
| 0x14
| 0x14
| 0x4
| 0x4
| Destination Version
| DestinationVersion
|-
|-
| 0x18
| 0x18
| 0x8
| 0x8
| Download Size
| DownloadSize
|-
|-
| 0x20
| 0x20
| 0x8
| 0x8
| Unused
| Reserved
|}
|}
=== Delta Header ===
== PatchDeltaHeader ==
This is "nn::ncm::PatchDeltaHeader".
{| class="wikitable" border="1"
{| class="wikitable" border="1"
| 0x0
| 0x0
| 0x8
| 0x8
| Source Patch ID
| SourcePatchId
|-
|-
| 0x8
| 0x8
| 8
| 8
| Destination Patch ID
| DestinationPatchId
|-
|-
| 0x10
| 0x10
| 0x4
| 0x4
| Source Version
| SourceVersion
|-
|-
| 0x14
| 0x14
| 0x4
| 0x4
| Destination Version
| DestinationVersion
|-
|-
| 0x18
| 0x18
| 0x2
| 0x2
| Fragment Set Count
| FragmentSetCount
|-
|-
| 0x1A
| 0x1A
| 0x6
| 0x6
| Unused
| Reserved
|-
|-
| 0x20
| 0x20
| 0x2
| 0x2
| Content Info Count
| ContentInfoCount
|-
|-
| 0x22
| 0x22
| 0x6
| 0x6
| Unused
| Reserved
|}
|}
=== Fragment Set ===
== FragmentSet ==
This is "nn::ncm::FragmentSet".
{| class="wikitable" border="1"
{| class="wikitable" border="1"
| 0x0
| 0x0
| 0x10
| 0x10
| Source Content ID
| SourceContentId
|-
|-
| 0x10
| 0x10
| 0x10
| 0x10
| Destination Content ID
| DestinationContentId
|-
|-
| 0x20
| 0x20
| 0x6
| 0x6
| Source Size
| SourceSize
|-
|-
| 0x26
| 0x26
| 0x6
| 0x6
| Destination Size
| DestinationSize
|-
|-
| 0x2C
| 0x2C
| 0x2
| 0x2
| Fragment Indicator Count
| FragmentIndicatorCount
|-
|-
| 0x2E
| 0x2E
| 0x1
| 0x1
| [[NCM_services#Title_Types|Meta Type]]
| FragmentTargetContentType (0=Meta, 1=Program, 2=Data, 3=Control, 4=[[Internet_Browser|HtmlDocument]], 5=[[Internet_Browser|LegalInformation]], 6=[[NCA_Format|DeltaFragment]])
|-
|-
| 0x2F
| 0x2F
| 0x1
| 0x1
| Update Type (0=ApplyAsDelta, 1=Overwrite, 2=Create)
| UpdateType (0=ApplyAsDelta, 1=Overwrite, 2=Create)
|-
|-
| 0x30
| 0x30
| 0x4
| 0x4
| Unused
| Reserved
|}
|}
=== Fragment Indicator ===
== FragmentIndicator ==
This is "nn::ncm::FragmentIndicator".
{| class="wikitable" border="1"
{| class="wikitable" border="1"
| 0x0
| 0x0
| 0x2
| 0x2
| Content Info Index
| ContentInfoIndex
|-
|-
| 0x2
| 0x2
| 0x2
| 0x2
| Fragment Index
| FragmentIndex
|}
|}
== Delta Extended Data ==
= DeltaMetaExtendedData =
This is "nn::ncm::DeltaMetaExtendedData".
{| class="wikitable" border="1"
{| class="wikitable" border="1"
| 0x0
| 0x0
| 0x8
| 0x8
| Source Patch ID
| SourcePatchId
|-
|-
| 0x8
| 0x8
| 0x8
| 0x8
| Destination Patch ID
| DestinationPatchId
|-
|-
| 0x10
| 0x10
| 0x4
| 0x4
| Source Version
| SourceVersion
|-
|-
| 0x14
| 0x14
| 0x4
| 0x4
| Destination Version
| DestinationVersion
|-
|-
| 0x18
| 0x18
| 0x2
| 0x2
| Fragment Set Count
| FragmentSetCount
|-
|-
| 0x1A
| 0x1A
| 0x6
| 0x6
| Unused
| Reserved
|-
|-
| 0x20
| 0x20
| 0x34 * Fragment Set Count
| 0x34 * FragmentSetCount
| [[CNMT#Patch_Extended_Data#Fragment_Set|Fragment Sets]]
| [[#FragmentSet|FragmentSet]]
|-
|-
|
| Variable
| 0x4 * Fragment Indicator Count (Fragment Set)
| 0x4 * FragmentIndicatorCount (from [[#FragmentSet|FragmentSet]])
| [[CNMT#Patch_Extended_Data#Fragment_Indicator|Fragment Indicators]]
| [[#FragmentIndicator|FragmentIndicator]]
|}
|}
= Digest =
Always found at the end of the file.
Always found at the end of the file.