19.4.6 Cell Broadband Engine SPU architecture
When gdb is debugging the Cell Broadband Engine SPU architecture,
it provides the following special commands:
info spu event
- Display SPU event facility status. Shows current event mask
and pending event status.
info spu signal
- Display SPU signal notification facility status. Shows pending
signal-control word and signal notification mode of both signal
notification channels.
info spu mailbox
- Display SPU mailbox facility status. Shows all pending entries,
in order of processing, in each of the SPU Write Outbound,
SPU Write Outbound Interrupt, and SPU Read Inbound mailboxes.
info spu dma
- Display MFC DMA status. Shows all pending commands in the MFC
DMA queue. For each entry, opcode, tag, class IDs, effective
and local store addresses and transfer size are shown.
info spu proxydma
- Display MFC Proxy-DMA status. Shows all pending commands in the MFC
Proxy-DMA queue. For each entry, opcode, tag, class IDs, effective
and local store addresses and transfer size are shown.