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Line 25:
Line 25: − | [[Title_list|Version]]+ Line 73:
Line 73: − + Line 156:
Line 156: − + Line 185:
Line 185: − + Line 216:
Line 216: − + + + + + + + + + + + + + + + + + + + + + + + + − + Line 227:
Line 250: − + − + − + − + − + − + − + − + − + − + − + − + − + − + − + − + − |- − | − | 0x28*X − | Previous delta entries − |- − | − | 0x28*X − | Delta info entries − |- − | − | 0x34*X − | Delta application info entries − + − + − + − + − + − + − + − + − + − + − |- − + − − Each entry is 0x38 bytes: Line 303:
Line 311: − + − + − + − + − + − + − + + + + + − + − + − + − + − + − + − |- − | 0x34 − | 4 − | Unused? − |- − This contains information on previous metadata files.+ − − − − Each entry is 0x28 bytes: Line 349:
Line 352: − + − + − + − + − + − + − + − + − + − + − + − + − |- − This contains information on previous delta patches.+ − − − − Each entry is 0x28 bytes: Line 387:
Line 385: − + − + − + − + − + − + − + − + − + + + + + − + − + + + + − This contains information on the current delta patch.+ − − − − Each entry is 0x34 bytes: Line 425:
Line 426: − + − + − + − + − + − + − + − + − |- − | 0x28 − | 4 − | Lower 4 bytes of the new size − + − + − + − + − + − + − + − + − |- − This contains information on how to apply deltas to the previous patch.+ − − − − Each entry is 0x18 bytes: Line 475:
Line 467: − + − | NcaId+ − |- − | 0x10 − | 6 − | Size − |- − | 0x16 − | 1 − | Type (see [[NCM_services#Title_Types|Title Types]]) − |- − | 0x17 − | 1 − + + + − − This contains information on previous title content from earlier patches.
Update all of Patch Extended Data and add SystemUpdate extended data
| 0x8
| 0x8
| 0x4
| 0x4
| Version
|-
|-
| 0xC
| 0xC
| 0x0
| 0x0
| 0x4
| 0x4
| Extended Header Size
| Extended Data Size
|}
|}
|}
|}
== Content records ==
== Content Records ==
{| class="wikitable" border="1"
{| class="wikitable" border="1"
|}
|}
== Meta records ==
== Content Meta Records ==
{| class="wikitable" border="1"
{| class="wikitable" border="1"
This is used for SystemUpdate, see here: [[NCM_services#ReadEntryMetaRecords]].
This is used for SystemUpdate, see here: [[NCM_services#ReadEntryMetaRecords]].
== Extended data ==
== SystemUpdate Extended Data ==
{| class="wikitable" border="1"
|-
! Offset
! Size
! Description
|-
| 0x0
| 0x4
| Version
|-
| 0x4
| 0x4
| Variation Count
|-
| 0x8
| 0x4
| Firmware Variation
|-
| 0xC
| 0x1C * Variation Count
| Unused
|}
Patch-type cnmt files include an extended data section.
== Patch Extended Data ==
{| class="wikitable" border="1"
{| class="wikitable" border="1"
|-
|-
| 0x0
| 0x0
| 4
| 0x4
| Number of previous cnmt entries.
| History Count
|-
|-
| 0x4
| 0x4
| 4
| 0x4
| Number of previous delta entries.
| Delta History Count
|-
|-
| 0x8
| 0x8
| 4
| 0x4
| Number of delta info entries.
| Delta Count
|-
|-
| 0xC
| 0xC
| 4
| 0x4
| Number of delta application info entries.
| Fragment Set Count
|-
|-
| 0x10
| 0x10
| 4
| 0x4
| Number of previous content entries.
| History Content Count
|-
|-
| 0x14
| 0x14
| 4
| 0x4
| Number of delta content entries.
| Delta Content Count
|-
|-
| 0x18
| 0x18
| 4
| 0x4
| Unused?
| Unused
|-
|-
| 0x1C
| 0x1C
| 0x38*X
| 0x38 * History Count
| Previous cnmt entries
| History Headers
|-
|-
|
|
| 0x18*X
| 0x28 * Delta History Count
| Previous content entries
| Delta Histories
|-
|-
|
|
| 0x38*X
| 0x28 * Delta Count
| Delta content entries. (Standard content records)
| Delta Headers
|-
|-
|
|
| 4
| 0x34 * Fragment Set Count
| Unknown
| Fragment Sets
|-
|-
|
|
| 4
| 0x18 * History Content Count
| Unknown
| History Content Records (Content Records without the Hash entry)
|-
|-
|
|
| 4
| 0x38 * Delta Content Count
| Unknown
| Delta Content Records
|}
|}
== Previous cnmt records ==
=== History Header ===
{| class="wikitable" border="1"
{| class="wikitable" border="1"
|-
|-
| 0x0
| 0x0
| 8
| 0x8
| Title ID
| Title ID
|-
|-
| 0x8
| 0x8
| 4
| 0x4
| Title version
| Version
|-
|-
| 0xC
| 0xC
| 1
| 0x1
| Type (see [[NCM_services#Title_Types|Title Types]])
| [[NCM_services#Title_Types|Title Types]]
|-
|-
| 0xD
| 0xD
| 3
| 0x1
| Unused?
| Attributes
|-
| 0xE
| 0x2
| Unused
|-
|-
| 0x10
| 0x10
| 32
| 0x20
| Hash
| Digest
|-
|-
| 0x30
| 0x30
| 2
| 0x2
| Unknown
| Content Info Count
|-
|-
| 0x32
| 0x32
| 2
| 0x6
| Unused?
| Unused
|}
|}
=== Delta History ===
== Previous delta records ==
{| class="wikitable" border="1"
{| class="wikitable" border="1"
|-
|-
| 0x0
| 0x0
| 8
| 0x8
| Old title ID
| Source Title ID
|-
|-
| 0x8
| 0x8
| 8
| 0x8
| New title ID
| Destination Title ID
|-
|-
| 0x10
| 0x10
| 4
| 0x4
| Old title version
| Source Version
|-
|-
| 0x14
| 0x14
| 4
| 0x4
| New title version
| Destination Version
|-
|-
| 0x18
| 0x18
| 8
| 0x8
| Size
| Download Size
|-
|-
| 0x20
| 0x20
| 8
| 0x8
| Unused?
| Unused
|}
|}
=== Delta Header ===
== Delta info records ==
{| class="wikitable" border="1"
{| class="wikitable" border="1"
|-
|-
| 0x0
| 0x0
| 8
| 0x8
| Old title ID
| Source Title ID
|-
|-
| 0x8
| 0x8
| 8
| 8
| New title ID
| Destination Title ID
|-
|-
| 0x10
| 0x10
| 4
| 0x4
| Old title version
| Source Version
|-
|-
| 0x14
| 0x14
| 4
| 0x4
| New title version
| Destination Version
|-
|-
| 0x18
| 0x18
| 8
| 0x2
| Some sort of index?
| Fragment Set Count
|-
| 0x1A
| 0x6
| Unused
|-
|-
| 0x20
| 0x20
| 8
| 0x2
| Some sort of index?
| Content Info Count
|-
|-
| 0x22
| 0x6
| Unused
|}
|}
=== Fragment Set ===
== Delta application info records ==
{| class="wikitable" border="1"
{| class="wikitable" border="1"
|-
|-
| 0x0
| 0x0
| 16
| 0x10
| Old NcaId
| Source Content ID
|-
|-
| 0x10
| 0x10
| 16
| 0x10
| New NcaId
| Destination Content ID
|-
|-
| 0x20
| 0x20
| 6
| 0x6
| Old size
| Source Size
|-
|-
| 0x26
| 0x26
| 2
| 0x6
| Upper 2 bytes of the new size
| Destination Size
|-
|-
| 0x2C
| 0x2C
| 2
| 0x2
| Unknown
| Fragment Indicator Count
|-
|-
| 0x2E
| 0x2E
| 1
| 0x1
| Type (see [[NCM_services#Title_Types|Title Types]])
| [[NCM_services#Title_Types|Title Types]]
|-
|-
| 0x2F
| 0x2F
| 1
| 0x1
| ? bit0 set = don't install?
| Update Type (0=ApplyAsDelta, 1=Overwrite, 2=Create)
|-
|-
| 0x30
| 0x30
| 4
| 0x4
| Unused?
| Unused
|}
|}
=== Fragment Indicator ===
== Previous content records ==
{| class="wikitable" border="1"
{| class="wikitable" border="1"
|-
|-
| 0x0
| 0x0
| 16
| 0x2
| Content Info Index
|
|-
|-
| 0x2
| 0x2
| Fragment Index
|}
|}