Lines Matching refs:SPU
10 spufs - the SPU file system
16 The SPU file system is used on PowerPC machines that implement the Cell
22 can use spu_create(2) to establish SPU contexts in the spufs root.
24 Every SPU context is represented by a directory containing a predefined
26 logical SPU. Users can change permissions on those files, but not actu-
63 the contents of the local storage memory of the SPU. This can be
65 data in the address space of the SPU. The possible operations on an
71 file. The file size is the size of the local storage of the SPU,
76 SPU local storage within the process address space. Only
81 The first SPU to CPU communication mailbox. This file is read-only and
95 The second SPU to CPU communication mailbox. This file is similar to
108 block until the SPU writes to its interrupt mailbox channel.
118 The CPU to SPU communation mailbox. It is write-only and can be written
128 has been opened without O_NONBLOCK, the call will block until the SPU
155 Internal registers of the SPU. The representation is an ASCII string
159 npc requires an SPU context save and is therefore very inefficient.
165 decr SPU Decrementer
167 spu_tag_mask MFC tag mask for SPU DMA
168 event_mask Event mask for SPU interrupts
181 a running SPU task. When a complete string has been read, all
210 The two signal notification channels of an SPU. These are read-write
212 triggers an interrupt on the SPU. The value written to the signal
213 files can be read from the SPU through a channel read or from host user
214 space through the file. After the value has been read by the SPU, it