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18.4.6 Cell Broadband Engine SPU architecture

When No value for GDBN 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.


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