Difference between revisions of "CNMT"
(Fix new field name) |
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− | + | 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" | ||
|- | |- | ||
Line 17: | Line 13: | ||
|- | |- | ||
| 0x0 | | 0x0 | ||
− | | | + | | 0x8 |
− | | | + | | Id |
|- | |- | ||
| 0x8 | | 0x8 | ||
− | | | + | | 0x4 |
− | | | + | | Version |
|- | |- | ||
| 0xC | | 0xC | ||
− | | | + | | 0x1 |
− | | | + | | [[NCM_services#ContentMetaType|ContentMetaType]] |
|- | |- | ||
| 0xD | | 0xD | ||
− | | | + | | 0x1 |
− | | | + | | Reserved |
|- | |- | ||
| 0xE | | 0xE | ||
− | | | + | | 0x2 |
− | | | + | | ExtendedHeaderSize |
|- | |- | ||
| 0x10 | | 0x10 | ||
− | | | + | | 0x2 |
− | | | + | | ContentCount |
|- | |- | ||
| 0x12 | | 0x12 | ||
− | | | + | | 0x2 |
− | | | + | | ContentMetaCount |
+ | |- | ||
+ | | 0x14 | ||
+ | | 0x1 | ||
+ | | ContentMetaAttributes (0=None, 1=IncludesExFatDriver, 2=Rebootless, 4=Compacted) | ||
+ | |- | ||
+ | | 0x15 | ||
+ | | 0x3 | ||
+ | | Reserved | ||
+ | |- | ||
+ | | 0x18 | ||
+ | | 0x4 | ||
+ | | RequiredDownloadSystemVersion | ||
+ | |- | ||
+ | | 0x1C | ||
+ | | 0x4 | ||
+ | | Reserved | ||
|} | |} | ||
− | + | = SystemUpdateMetaExtendedHeader = | |
+ | This is "nn::ncm::SystemUpdateMetaExtendedHeader". | ||
− | + | {| class="wikitable" border="1" | |
+ | |- | ||
+ | ! Offset | ||
+ | ! Size | ||
+ | ! Description | ||
+ | |- | ||
+ | | 0x0 | ||
+ | | 0x4 | ||
+ | | ExtendedDataSize | ||
+ | |} | ||
− | + | = ApplicationMetaExtendedHeader = | |
+ | This is "nn::ncm::ApplicationMetaExtendedHeader". | ||
− | |||
{| class="wikitable" border="1" | {| class="wikitable" border="1" | ||
|- | |- | ||
Line 58: | Line 80: | ||
! Description | ! Description | ||
|- | |- | ||
+ | | 0x0 | ||
+ | | 0x8 | ||
+ | | PatchId | ||
+ | |- | ||
+ | | 0x8 | ||
+ | | 0x4 | ||
+ | | RequiredSystemVersion | ||
+ | |- | ||
+ | | 0xC | ||
+ | | 0x4 | ||
+ | | RequiredApplicationVersion | ||
+ | |} | ||
+ | |||
+ | = PatchMetaExtendedHeader = | ||
+ | This is "nn::ncm::PatchMetaExtendedHeader". | ||
+ | |||
+ | {| class="wikitable" border="1" | ||
+ | |- | ||
+ | ! Offset | ||
+ | ! Size | ||
+ | ! Description | ||
+ | |- | ||
+ | | 0x0 | ||
+ | | 0x8 | ||
+ | | ApplicationId | ||
+ | |- | ||
+ | | 0x8 | ||
+ | | 0x4 | ||
+ | | RequiredSystemVersion | ||
+ | |- | ||
+ | | 0xC | ||
+ | | 0x4 | ||
+ | | 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 | ||
+ | | 0x8 | ||
+ | | [15.0.0+] DataPatchId | ||
+ | |} | ||
+ | |||
+ | = DeltaMetaExtendedHeader = | ||
+ | This is "nn::ncm::DeltaMetaExtendedHeader". | ||
+ | |||
+ | {| class="wikitable" border="1" | ||
+ | |- | ||
+ | ! Offset | ||
+ | ! Size | ||
+ | ! Description | ||
+ | |- | ||
+ | | 0x0 | ||
+ | | 0x8 | ||
+ | | ApplicationId | ||
+ | |- | ||
+ | | 0x8 | ||
+ | | 0x4 | ||
+ | | ExtendedDataSize | ||
+ | |- | ||
+ | | 0xC | ||
+ | | 0x4 | ||
+ | | Reserved | ||
+ | |} | ||
+ | |||
+ | = DataPatchMetaExtendedHeader = | ||
+ | This is "nn::ncm::DataPatchMetaExtendedHeader". | ||
+ | |||
+ | This was added with [15.0.0+]. | ||
+ | |||
+ | {| class="wikitable" border="1" | ||
+ | |- | ||
+ | ! Offset | ||
+ | ! Size | ||
+ | ! Description | ||
+ | |- | ||
+ | | 0x0 | ||
+ | | 0x8 | ||
+ | | DataId | ||
+ | |- | ||
+ | | 0x8 | ||
+ | | 0x8 | ||
+ | | ApplicationId | ||
+ | |- | ||
+ | | 0x10 | ||
+ | | 0x4 | ||
+ | | RequiredApplicationVersion | ||
+ | |- | ||
+ | | 0x14 | ||
+ | | 0x4 | ||
+ | | ExtendedDataSize | ||
+ | |- | ||
+ | | 0x18 | ||
+ | | 0x8 | ||
+ | | Reserved | ||
+ | |} | ||
+ | |||
+ | = PackagedContentInfo = | ||
+ | This is "nn::ncm::PackagedContentInfo". | ||
+ | |||
+ | {| class="wikitable" border="1" | ||
+ | |- | ||
+ | ! Offset | ||
+ | ! Size | ||
+ | ! Description | ||
+ | |- | ||
+ | | 0x0 | ||
| 0x20 | | 0x20 | ||
− | | | + | | Hash (SHA256 of the referenced content) |
− | | | + | |- |
+ | | 0x20 | ||
+ | | 0x10 | ||
+ | | ContentId | ||
+ | |- | ||
+ | | 0x30 | ||
+ | | [15.0.0+] 0x5 ([1.0.0-14.1.2] 0x6) | ||
+ | | Size | ||
+ | |- | ||
+ | | 0x35 | ||
+ | | 0x1 | ||
+ | | [15.0.0+] ContentAttributes | ||
+ | |- | ||
+ | | 0x36 | ||
+ | | 0x1 | ||
+ | | ContentType (0=Meta, 1=Program, 2=Data, 3=Control, 4=[[Internet_Browser|HtmlDocument]], 5=[[Internet_Browser|LegalInformation]], 6=[[NCA_Format|DeltaFragment]]) | ||
+ | |- | ||
+ | | 0x37 | ||
+ | | 0x1 | ||
+ | | IdOffset | ||
+ | |} | ||
+ | |||
+ | = ContentMetaInfo = | ||
+ | This is "nn::ncm::ContentMetaInfo". | ||
+ | |||
+ | {| class="wikitable" border="1" | ||
+ | |- | ||
+ | ! Offset | ||
+ | ! Size | ||
+ | ! Description | ||
+ | |- | ||
+ | | 0x0 | ||
+ | | 0x8 | ||
+ | | Id | ||
+ | |- | ||
+ | | 0x8 | ||
+ | | 0x4 | ||
+ | | Version | ||
+ | |- | ||
+ | | 0xC | ||
+ | | 0x1 | ||
+ | | [[NCM_services#Title_Types|ContentMetaType]] | ||
+ | |- | ||
+ | | 0xD | ||
+ | | 0x1 | ||
+ | | ContentMetaAttributes (0=None, 1=IncludesExFatDriver, 2=Rebootless, 4=Compacted) | ||
+ | |- | ||
+ | | 0xE | ||
+ | | 0x2 | ||
+ | | Reserved | ||
+ | |} | ||
+ | |||
+ | This is used for SystemUpdate, see here: [[NCM_services#ReadEntryMetaRecords]]. | ||
+ | |||
+ | = SystemUpdateMetaExtendedData = | ||
+ | This is "nn::ncm::SystemUpdateMetaExtendedData". | ||
+ | |||
+ | If the Version field is 1, the format is: | ||
+ | {| class="wikitable" border="1" | ||
+ | |- | ||
+ | ! Offset | ||
+ | ! Size | ||
+ | ! Description | ||
+ | |- | ||
+ | | 0x0 | ||
+ | | 0x4 | ||
+ | | Version | ||
+ | |- | ||
+ | | 0x4 | ||
+ | | 0x4 | ||
+ | | VariationCount | ||
+ | |- | ||
+ | | 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 | ||
+ | | Version | ||
+ | |- | ||
+ | | 0x4 | ||
+ | | 0x4 | ||
+ | | 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 | ||
+ | |} | ||
+ | |||
+ | = PatchMetaExtendedData = | ||
+ | This is "nn::ncm::PatchMetaExtendedData". | ||
+ | |||
+ | {| class="wikitable" border="1" | ||
+ | |- | ||
+ | ! Offset | ||
+ | ! Size | ||
+ | ! Description | ||
+ | |- | ||
+ | | 0x0 | ||
+ | | 0x4 | ||
+ | | PatchHistoryHeaderCount | ||
+ | |- | ||
+ | | 0x4 | ||
+ | | 0x4 | ||
+ | | PatchDeltaHistoryCount | ||
+ | |- | ||
+ | | 0x8 | ||
+ | | 0x4 | ||
+ | | PatchDeltaHeaderCount | ||
+ | |- | ||
+ | | 0xC | ||
+ | | 0x4 | ||
+ | | FragmentSetCount | ||
+ | |- | ||
+ | | 0x10 | ||
+ | | 0x4 | ||
+ | | PatchHistoryContentInfoCount | ||
+ | |- | ||
+ | | 0x14 | ||
+ | | 0x4 | ||
+ | | PatchDeltaPackagedContentInfoCount | ||
+ | |- | ||
+ | | 0x18 | ||
+ | | 0x4 | ||
+ | | Reserved | ||
+ | |- | ||
+ | | 0x1C | ||
+ | | 0x38 * PatchHistoryHeaderCount | ||
+ | | [[#PatchHistoryHeader|PatchHistoryHeader]] | ||
+ | |- | ||
+ | | Variable | ||
+ | | 0x28 * PatchDeltaHistoryCount | ||
+ | | [[#PatchDeltaHistory|PatchDeltaHistory]] | ||
+ | |- | ||
+ | | Variable | ||
+ | | 0x28 * PatchDeltaHeaderCount | ||
+ | | [[#PatchDeltaHeader|PatchDeltaHeader]] | ||
+ | |- | ||
+ | | Variable | ||
+ | | 0x34 * FragmentSetCount | ||
+ | | [[#FragmentSet|FragmentSet]] | ||
+ | |- | ||
+ | | Variable | ||
+ | | 0x18 * PatchHistoryContentInfoCount | ||
+ | | [[#PackagedContentInfo|PatchHistoryContentInfo]] ([[#PackagedContentInfo|PackagedContentInfo]] without the Hash entry) | ||
+ | |- | ||
+ | | Variable | ||
+ | | 0x38 * PatchDeltaPackagedContentInfoCount | ||
+ | | [[#PackagedContentInfo|PatchDeltaPackagedContentInfo]] | ||
|- | |- | ||
− | | | + | | Variable |
− | | | + | | 0x4 * FragmentIndicatorCount (from [[#FragmentSet|FragmentSet]]) |
− | | | + | | [[#FragmentIndicator|FragmentIndicator]] |
|} | |} | ||
− | == | + | == PatchHistoryHeader == |
+ | This is "nn::ncm::PatchHistoryHeader". | ||
+ | |||
{| class="wikitable" border="1" | {| class="wikitable" border="1" | ||
|- | |- | ||
Line 74: | Line 438: | ||
! Description | ! Description | ||
|- | |- | ||
+ | | 0x0 | ||
+ | | 0x10 | ||
+ | | ContentMetaKey | ||
+ | |- | ||
+ | | 0x10 | ||
| 0x20 | | 0x20 | ||
− | | | + | | Digest |
− | | | + | |- |
+ | | 0x30 | ||
+ | | 0x2 | ||
+ | | ContentInfoCount | ||
|- | |- | ||
− | | | + | | 0x32 |
− | | | + | | 0x6 |
− | | | + | | Reserved |
|} | |} | ||
− | == | + | == PatchDeltaHistory == |
+ | This is "nn::ncm::PatchDeltaHistory". | ||
+ | |||
{| class="wikitable" border="1" | {| class="wikitable" border="1" | ||
|- | |- | ||
Line 89: | Line 463: | ||
! Size | ! Size | ||
! Description | ! Description | ||
+ | |- | ||
+ | | 0x0 | ||
+ | | 0x8 | ||
+ | | SourcePatchId | ||
+ | |- | ||
+ | | 0x8 | ||
+ | | 0x8 | ||
+ | | DestinationPatchId | ||
+ | |- | ||
+ | | 0x10 | ||
+ | | 0x4 | ||
+ | | SourceVersion | ||
+ | |- | ||
+ | | 0x14 | ||
+ | | 0x4 | ||
+ | | DestinationVersion | ||
+ | |- | ||
+ | | 0x18 | ||
+ | | 0x8 | ||
+ | | DownloadSize | ||
|- | |- | ||
| 0x20 | | 0x20 | ||
+ | | 0x8 | ||
+ | | Reserved | ||
+ | |} | ||
+ | |||
+ | == PatchDeltaHeader == | ||
+ | This is "nn::ncm::PatchDeltaHeader". | ||
+ | |||
+ | {| class="wikitable" border="1" | ||
+ | |- | ||
+ | ! Offset | ||
+ | ! Size | ||
+ | ! Description | ||
+ | |- | ||
+ | | 0x0 | ||
+ | | 0x8 | ||
+ | | SourcePatchId | ||
+ | |- | ||
+ | | 0x8 | ||
| 8 | | 8 | ||
− | | | + | | DestinationPatchId |
+ | |- | ||
+ | | 0x10 | ||
+ | | 0x4 | ||
+ | | SourceVersion | ||
+ | |- | ||
+ | | 0x14 | ||
+ | | 0x4 | ||
+ | | DestinationVersion | ||
+ | |- | ||
+ | | 0x18 | ||
+ | | 0x2 | ||
+ | | FragmentSetCount | ||
|- | |- | ||
− | | | + | | 0x1A |
− | | | + | | 0x6 |
− | | | + | | Reserved |
+ | |- | ||
+ | | 0x20 | ||
+ | | 0x2 | ||
+ | | ContentInfoCount | ||
+ | |- | ||
+ | | 0x22 | ||
+ | | 0x6 | ||
+ | | Reserved | ||
|} | |} | ||
− | == | + | == FragmentSet == |
− | + | This is "nn::ncm::FragmentSet". | |
− | |||
{| class="wikitable" border="1" | {| class="wikitable" border="1" | ||
Line 110: | Line 541: | ||
|- | |- | ||
| 0x0 | | 0x0 | ||
− | | | + | | 0x10 |
− | | | + | | SourceContentId |
+ | |- | ||
+ | | 0x10 | ||
+ | | 0x10 | ||
+ | | DestinationContentId | ||
|- | |- | ||
| 0x20 | | 0x20 | ||
− | | | + | | 0x6 |
− | | | + | | SourceSize |
+ | |- | ||
+ | | 0x26 | ||
+ | | 0x6 | ||
+ | | DestinationSize | ||
+ | |- | ||
+ | | 0x2C | ||
+ | | 0x2 | ||
+ | | FragmentIndicatorCount | ||
+ | |- | ||
+ | | 0x2E | ||
+ | | 0x1 | ||
+ | | FragmentTargetContentType (0=Meta, 1=Program, 2=Data, 3=Control, 4=[[Internet_Browser|HtmlDocument]], 5=[[Internet_Browser|LegalInformation]], 6=[[NCA_Format|DeltaFragment]]) | ||
+ | |- | ||
+ | | 0x2F | ||
+ | | 0x1 | ||
+ | | UpdateType (0=ApplyAsDelta, 1=Overwrite, 2=Create) | ||
|- | |- | ||
| 0x30 | | 0x30 | ||
− | | | + | | 0x4 |
− | | Size | + | | Reserved |
+ | |} | ||
+ | |||
+ | == FragmentIndicator == | ||
+ | This is "nn::ncm::FragmentIndicator". | ||
+ | |||
+ | {| class="wikitable" border="1" | ||
+ | |- | ||
+ | ! Offset | ||
+ | ! Size | ||
+ | ! Description | ||
+ | |- | ||
+ | | 0x0 | ||
+ | | 0x2 | ||
+ | | ContentInfoIndex | ||
+ | |- | ||
+ | | 0x2 | ||
+ | | 0x2 | ||
+ | | FragmentIndex | ||
+ | |} | ||
+ | |||
+ | = DeltaMetaExtendedData = | ||
+ | This is "nn::ncm::DeltaMetaExtendedData". | ||
+ | |||
+ | {| class="wikitable" border="1" | ||
+ | |- | ||
+ | ! Offset | ||
+ | ! Size | ||
+ | ! Description | ||
+ | |- | ||
+ | | 0x0 | ||
+ | | 0x8 | ||
+ | | SourcePatchId | ||
+ | |- | ||
+ | | 0x8 | ||
+ | | 0x8 | ||
+ | | DestinationPatchId | ||
+ | |- | ||
+ | | 0x10 | ||
+ | | 0x4 | ||
+ | | SourceVersion | ||
+ | |- | ||
+ | | 0x14 | ||
+ | | 0x4 | ||
+ | | DestinationVersion | ||
+ | |- | ||
+ | | 0x18 | ||
+ | | 0x2 | ||
+ | | FragmentSetCount | ||
+ | |- | ||
+ | | 0x1A | ||
+ | | 0x6 | ||
+ | | Reserved | ||
|- | |- | ||
− | | | + | | 0x20 |
− | | | + | | 0x34 * FragmentSetCount |
− | | | + | | [[#FragmentSet|FragmentSet]] |
|- | |- | ||
− | | | + | | Variable |
− | | | + | | 0x4 * FragmentIndicatorCount (from [[#FragmentSet|FragmentSet]]) |
− | | | + | | [[#FragmentIndicator|FragmentIndicator]] |
|} | |} | ||
− | + | = Digest = | |
+ | Always found at the end of the file. | ||
+ | |||
+ | {| class="wikitable" border="1" | ||
+ | |- | ||
+ | ! Offset | ||
+ | ! Size | ||
+ | ! Description | ||
+ | |- | ||
+ | | 0x0 | ||
+ | | 0x20 | ||
+ | | Digest | ||
+ | |} |
Revision as of 19:28, 18 October 2022
This is the metadata file that ends in ".cnmt{.nca}"
or "meta0.ncd"
. This seems to replace the TMD format.
The official name for CNMT is "PackagedContentMeta".
PackagedContentMetaHeader
This is "nn::ncm::PackagedContentMetaHeader".
Offset | Size | Description |
---|---|---|
0x0 | 0x8 | Id |
0x8 | 0x4 | Version |
0xC | 0x1 | ContentMetaType |
0xD | 0x1 | Reserved |
0xE | 0x2 | ExtendedHeaderSize |
0x10 | 0x2 | ContentCount |
0x12 | 0x2 | ContentMetaCount |
0x14 | 0x1 | ContentMetaAttributes (0=None, 1=IncludesExFatDriver, 2=Rebootless, 4=Compacted) |
0x15 | 0x3 | Reserved |
0x18 | 0x4 | RequiredDownloadSystemVersion |
0x1C | 0x4 | Reserved |
SystemUpdateMetaExtendedHeader
This is "nn::ncm::SystemUpdateMetaExtendedHeader".
Offset | Size | Description |
---|---|---|
0x0 | 0x4 | ExtendedDataSize |
ApplicationMetaExtendedHeader
This is "nn::ncm::ApplicationMetaExtendedHeader".
Offset | Size | Description |
---|---|---|
0x0 | 0x8 | PatchId |
0x8 | 0x4 | RequiredSystemVersion |
0xC | 0x4 | RequiredApplicationVersion |
PatchMetaExtendedHeader
This is "nn::ncm::PatchMetaExtendedHeader".
Offset | Size | Description |
---|---|---|
0x0 | 0x8 | ApplicationId |
0x8 | 0x4 | RequiredSystemVersion |
0xC | 0x4 | ExtendedDataSize |
0x10 | 0x8 | Reserved |
AddOnContentMetaExtendedHeader
This is "nn::ncm::AddOnContentMetaExtendedHeader".
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 | 0x8 | [15.0.0+] DataPatchId |
DeltaMetaExtendedHeader
This is "nn::ncm::DeltaMetaExtendedHeader".
Offset | Size | Description |
---|---|---|
0x0 | 0x8 | ApplicationId |
0x8 | 0x4 | ExtendedDataSize |
0xC | 0x4 | Reserved |
DataPatchMetaExtendedHeader
This is "nn::ncm::DataPatchMetaExtendedHeader".
This was added with [15.0.0+].
Offset | Size | Description |
---|---|---|
0x0 | 0x8 | DataId |
0x8 | 0x8 | ApplicationId |
0x10 | 0x4 | RequiredApplicationVersion |
0x14 | 0x4 | ExtendedDataSize |
0x18 | 0x8 | Reserved |
PackagedContentInfo
This is "nn::ncm::PackagedContentInfo".
Offset | Size | Description |
---|---|---|
0x0 | 0x20 | Hash (SHA256 of the referenced content) |
0x20 | 0x10 | ContentId |
0x30 | [15.0.0+] 0x5 ([1.0.0-14.1.2] 0x6) | Size |
0x35 | 0x1 | [15.0.0+] ContentAttributes |
0x36 | 0x1 | ContentType (0=Meta, 1=Program, 2=Data, 3=Control, 4=HtmlDocument, 5=LegalInformation, 6=DeltaFragment) |
0x37 | 0x1 | IdOffset |
ContentMetaInfo
This is "nn::ncm::ContentMetaInfo".
Offset | Size | Description |
---|---|---|
0x0 | 0x8 | Id |
0x8 | 0x4 | Version |
0xC | 0x1 | ContentMetaType |
0xD | 0x1 | ContentMetaAttributes (0=None, 1=IncludesExFatDriver, 2=Rebootless, 4=Compacted) |
0xE | 0x2 | Reserved |
This is used for SystemUpdate, see here: NCM_services#ReadEntryMetaRecords.
SystemUpdateMetaExtendedData
This is "nn::ncm::SystemUpdateMetaExtendedData".
If the Version field is 1, the format is:
Offset | Size | Description |
---|---|---|
0x0 | 0x4 | Version |
0x4 | 0x4 | VariationCount |
0x8 | 0x20 * VariationCount | FirmwareVariationInfo (Version 1) |
If the Version field is 2, the format is:
Offset | Size | Description |
---|---|---|
0x0 | 0x4 | Version |
0x4 | 0x4 | VariationCount |
0x8 | 0x4 * VariationCount | FirmwareVariationId |
Variable | 0x20 * VariationCount | FirmwareVariationInfo (Version 2) |
Variable | 0x10 * MetaCount (from FirmwareVariationInfo (Version 2)) | ContentMetaInfo (if ReferToBase is False) |
FirmwareVariationInfo
This is "FirmwareVariationInfo ".
If the Version field is 1, the format is:
Offset | Size | Description |
---|---|---|
0x0 | 0x4 | FirmwareVariationId |
0x4 | 0x1C | Reserved |
If the Version field is 2, the format is:
Offset | Size | Description |
---|---|---|
0x0 | 0x1 | ReferToBase (0=False, 1=True) |
0x1 | 0x3 | Reserved |
0x4 | 0x4 | MetaCount |
0x8 | 0x18 | Reserved |
PatchMetaExtendedData
This is "nn::ncm::PatchMetaExtendedData".
Offset | Size | Description |
---|---|---|
0x0 | 0x4 | PatchHistoryHeaderCount |
0x4 | 0x4 | PatchDeltaHistoryCount |
0x8 | 0x4 | PatchDeltaHeaderCount |
0xC | 0x4 | FragmentSetCount |
0x10 | 0x4 | PatchHistoryContentInfoCount |
0x14 | 0x4 | PatchDeltaPackagedContentInfoCount |
0x18 | 0x4 | Reserved |
0x1C | 0x38 * PatchHistoryHeaderCount | PatchHistoryHeader |
Variable | 0x28 * PatchDeltaHistoryCount | PatchDeltaHistory |
Variable | 0x28 * PatchDeltaHeaderCount | PatchDeltaHeader |
Variable | 0x34 * FragmentSetCount | FragmentSet |
Variable | 0x18 * PatchHistoryContentInfoCount | PatchHistoryContentInfo (PackagedContentInfo without the Hash entry) |
Variable | 0x38 * PatchDeltaPackagedContentInfoCount | PatchDeltaPackagedContentInfo |
Variable | 0x4 * FragmentIndicatorCount (from FragmentSet) | FragmentIndicator |
PatchHistoryHeader
This is "nn::ncm::PatchHistoryHeader".
Offset | Size | Description |
---|---|---|
0x0 | 0x10 | ContentMetaKey |
0x10 | 0x20 | Digest |
0x30 | 0x2 | ContentInfoCount |
0x32 | 0x6 | Reserved |
PatchDeltaHistory
This is "nn::ncm::PatchDeltaHistory".
Offset | Size | Description |
---|---|---|
0x0 | 0x8 | SourcePatchId |
0x8 | 0x8 | DestinationPatchId |
0x10 | 0x4 | SourceVersion |
0x14 | 0x4 | DestinationVersion |
0x18 | 0x8 | DownloadSize |
0x20 | 0x8 | Reserved |
PatchDeltaHeader
This is "nn::ncm::PatchDeltaHeader".
Offset | Size | Description |
---|---|---|
0x0 | 0x8 | SourcePatchId |
0x8 | 8 | DestinationPatchId |
0x10 | 0x4 | SourceVersion |
0x14 | 0x4 | DestinationVersion |
0x18 | 0x2 | FragmentSetCount |
0x1A | 0x6 | Reserved |
0x20 | 0x2 | ContentInfoCount |
0x22 | 0x6 | Reserved |
FragmentSet
This is "nn::ncm::FragmentSet".
Offset | Size | Description |
---|---|---|
0x0 | 0x10 | SourceContentId |
0x10 | 0x10 | DestinationContentId |
0x20 | 0x6 | SourceSize |
0x26 | 0x6 | DestinationSize |
0x2C | 0x2 | FragmentIndicatorCount |
0x2E | 0x1 | FragmentTargetContentType (0=Meta, 1=Program, 2=Data, 3=Control, 4=HtmlDocument, 5=LegalInformation, 6=DeltaFragment) |
0x2F | 0x1 | UpdateType (0=ApplyAsDelta, 1=Overwrite, 2=Create) |
0x30 | 0x4 | Reserved |
FragmentIndicator
This is "nn::ncm::FragmentIndicator".
Offset | Size | Description |
---|---|---|
0x0 | 0x2 | ContentInfoIndex |
0x2 | 0x2 | FragmentIndex |
DeltaMetaExtendedData
This is "nn::ncm::DeltaMetaExtendedData".
Offset | Size | Description |
---|---|---|
0x0 | 0x8 | SourcePatchId |
0x8 | 0x8 | DestinationPatchId |
0x10 | 0x4 | SourceVersion |
0x14 | 0x4 | DestinationVersion |
0x18 | 0x2 | FragmentSetCount |
0x1A | 0x6 | Reserved |
0x20 | 0x34 * FragmentSetCount | FragmentSet |
Variable | 0x4 * FragmentIndicatorCount (from FragmentSet) | FragmentIndicator |
Digest
Always found at the end of the file.
Offset | Size | Description |
---|---|---|
0x0 | 0x20 | Digest |