Difference between revisions of "AM:ReadTwlBackupInfo"

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(Add information on constant in the send buffer. Add missing recieve parameters in the IPC response.)
 
Line 18: Line 18:
 
|-
 
|-
 
| 4
 
| 4
| 0x10
+
| 0x10 (Magic Word Header, 0x10 = HANDLE_MOVE, we are moving this handle into the IPC server)
 
|-
 
|-
 
| 5
 
| 5
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| 1
 
| 1
 
| Result code
 
| Result code
 +
|-
 +
| 2
 +
| (Output Info Size << 4) <nowiki>|</nowiki> 0xC
 +
|-
 +
| 3
 +
| [[Application_Manager_Services#TwlBackupInfo|TwlBackupInfo]] Output Pointer.
 +
|-
 +
| 4
 +
| (Banner Size << 4) <nowiki>|</nowiki> 0xC
 +
|-
 +
| 5
 +
| [[DSiWare_Exports|DSiWare]] Banner Output Pointer.
 +
|-
 +
| 6
 +
| (Working Buffer Size << 4) <nowiki>|</nowiki> 0xC
 +
|-
 +
| 7
 +
| Working Buffer Pointer
 
|}
 
|}
  

Latest revision as of 09:53, 5 June 2023

Request[edit]

Index Word Description
0 Header code [0x001E00C8]
1 Output Info Size (usually 0x20)
2 Banner Size (usually 0x4000)
3 Working Buffer Size
4 0x10 (Magic Word Header, 0x10 = HANDLE_MOVE, we are moving this handle into the IPC server)
5 FSFile Handle
6 (Output Info Size << 4) | 0xC
7 TwlBackupInfo Output Pointer. Processing is skipped for this when the pointer is NULL.
8 (Banner Size << 4) | 0xC
9 DSiWare Banner Output Pointer. Processing is skipped for this when the pointer is NULL.
10 (Working Buffer Size << 4) | 0xC
11 Working Buffer Pointer

Response[edit]

Index Word Description
0 Header code
1 Result code
2 (Output Info Size << 4) | 0xC
3 TwlBackupInfo Output Pointer.
4 (Banner Size << 4) | 0xC
5 DSiWare Banner Output Pointer.
6 (Working Buffer Size << 4) | 0xC
7 Working Buffer Pointer

Description[edit]

The specified file size must be at least 0x4500. This reads the DSiWare header+banner from the file, and decrypts+verifies these sections.

It should be noted that this command is meant for use with Exports that use 11 content sections.