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Chapter 8 141
io3000
io3000 classes and subtests
725 Jump outside of a page
(TLB not encached)
Verifies a DMA jump outside of
a page. The TLB for the
destination page is not
encached in context SRAM.
This means that SAGA must
fetch a new TLB before the
transfer can continue. This is
done for both writes and reads.
730 Jump outside of a
channel
Verifies a DMA jump outside of
the current channel. This is
done for both writes and reads.
735 Non contiguous TLBs Sets up a translation table for
scattered system page
mappings (noncontiguous).
Then a DMA is set up to use
this table. This causes the
SAGA to access pages
noncontiguously throughout the
DMA.
Subtest Name Description