Difference between revisions of "DSP:ReadPipeIfPossible"

From 3dbrew
Jump to navigation Jump to search
(Clean up.)
Line 9: Line 9:
 
|-
 
|-
 
| 1
 
| 1
| chan (0 - 7 0:Debug from DSP 1:P-DMA 2:audio 3:binary 4-7: free ?)
+
| Channel (0 - 7 0:Debug from DSP 1:P-DMA 2:audio 3:binary 4-7: free ?)
 
|-
 
|-
 
| 2
 
| 2
| direction? (0 = from DSP 1 = from ARM ??? )
+
| Peer (0 = from DSP, 1 = from ARM)
 
|-
 
|-
 
| 3
 
| 3
| ?size? (halfword)
+
| u16, Size
 
|}
 
|}
  
Line 25: Line 25:
 
|-
 
|-
 
| 0
 
| 0
| (size <<14) <nowiki>|</nowiki> 0x2
+
| (Size << 14) <nowiki>|</nowiki> 0x2
 
|-
 
|-
 
| 1
 
| 1
| buffer
+
| Buffer
 
|}
 
|}
  
Line 41: Line 41:
 
|-
 
|-
 
| 1
 
| 1
| Resultcode
+
| Result code
 
|-
 
|-
 
| 2
 
| 2
| sizeread? (hword)
+
| u16, Actual read size
 
|}
 
|}

Revision as of 06:44, 9 October 2015

Request

Index Word Description
0 Header code [0x001000c0]
1 Channel (0 - 7 0:Debug from DSP 1:P-DMA 2:audio 3:binary 4-7: free ?)
2 Peer (0 = from DSP, 1 = from ARM)
3 u16, Size

0x100 byte after the Request header

Index Word Description
0 (Size << 14) | 0x2
1 Buffer

Response

Index Word Description
0 Header code
1 Result code
2 u16, Actual read size