Changes between Initial Version and Version 1 of DsxResource

Timestamp:

Aug 21, 2006, 5:37:47 PM (19 years ago)

Author:

Nicolas Pouillon

Comment:

--

DsxResource

@@ +1 @@
+= Resources =
+
+== Mwmr ==
+
+multi reader fifos
+
+Special kind of fifos where any number of producers and readers may be "connected". This fifos provides the following features:
+ * Transfers are done in indivisible blocks of contiguous data
+ * Read/Write operations are done in packets of one or more blocks
+ * Blocks may be read/written in between of others, even in one write operation
+ * Blocks always arrive in order (even if not contiguous because of preceding point)
+
+[[Image(wiki:MwMr:mwmr.png)]]
+
+{{{
+fifo1 = Memr("first_fifo",
+             4, # Width, in 32-bit words, this is block size
+             64) # Depth, in number of blocks
+}}}
+
+== Lock ==
+
+Simple mutex, implemented through [wiki:SpinLock spin locks].
+
+{{{
+lock1 = Lock("first_lock")
+}}}
+
+== Barrier ==
+
+Synchronization point between tasks. All tasks connected to a barrier must wait for it before going any further.
+
+{{{
+barr = Barrier("sync")
+}}}
+
+== Memspace ==
+
+Shared (or not) memory declaration, may be used to have global memory space shared between tasks.
+
+{{{
+memsp = Memspace("mem_name", 32768)
+}}}
+
+== Const ==
+
+Constant integer values.
+
+{{{
+cex = Const(1)
+}}}