Talk:Documented SPU Channels
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SPE channels
| Ch # | Constant | R/W | blocking/ nonblocking |
Cap. | Purpose |
|---|---|---|---|---|---|
| 0 | SPU_RdEventStat | R | B | 1 | Read SPU Event Status |
| 1 | SPU_WrEventMask | W | N | 1 | Write Event Mask |
| 2 | SPU_WrEventAck | W | N | 1 | Write Event Acknowledge |
| 3 | SPU_RdSigNotity1 | R | B | 1 | Read Signal Notification 1 |
| 4 | SPU_RdSigNotity2 | R | B | 1 | Read Signal Notification 2 |
| 5 | -- | ||||
| 6 | -- | ||||
| 7 | SPU_WrDec | W | N | 1 | Write to SPU Decrementer |
| 8 | SPU_RdDec | R | N | 1 | Read SPU Decrementer |
| 9 | MFC_WrMSSyncReq | W | B | 1 | MFC Write Multisource Synchronization Request |
| 10 | -- | ||||
| 11 | SPU_RdEventMask | R | N | 1 | Read SPU Event Mask |
| 12 | MFC_RdTagMask | R | N | 1 | Read from MFC Tag Group Mask |
| 13 | SPU_RdMachStat | R | N | 1 | Read SPU Machine Status |
| 14 | SPU_WrSRR0 | W | N | 1 | Write to Save/Restore Register |
| 15 | SPU_RdSRR0 | R | N | 1 | Read from Save/Restore Register |
| 16 | MFC_LSA | W | N | 1 | MFC Local Storage Address |
| 17 | MFC_EAH | W | N | 1 | MFC Effective Address High |
| 18 | MFC_EAL | W | N | 1 | MFC Effective Address Low |
| 19 | MFC_Size | W | N | 1 | MFC Transfer/List Size |
| 20 | MFC_TagID | W | N | 1 | MFC Command Tag ID |
| 21 | MFC_Cmd | W | B | 16 | MFC Class ID |
| 22 | MFC_WrTagMask | W | N | 1 | Write to MFC Tag Group Mask |
| 23 | MFC_WrTagUpdate | W | B | 1 | Write to MFC Tag Update Request |
| 24 | MFC_RdTagStat | R | B | 1 | Read MFC Tag Group Status |
| 25 | MFC_RdListStallStat | R | B | 1 | Read Stall-and-Notify Tag Status |
| 26 | MFC_WrListStallAck | W | N | 1 | Write to Stall-and-Notify Tag Acknowledgment |
| 27 | MFC_RdAtomicStat | R | B | 1 | Read Atomic Command Status |
| 28 | SPU_WrOutMbox | W | B | 1 | Write to SPU Outbound Mailbox |
| 29 | SPU_RdInMbox | R | B | 4 | Read from SPU Inbound Mailbox |
| 30 | SPU_WrOutIntrMbox | W | B | 1 | Write to SPU Outbound Interrupt Mailbox |
| 31 | -- |