Only one request may be on the dma interface at a time,

so add some states to indicate that the dma read/write
hasn't issued yet, and add some support to reissue the
request when the interface becomes unblocked.

--HG--
extra : convert_revision : 448695a8eb2e9f98554769f3165df1f796adf44a
This commit is contained in:
Nathan Binkert
2004-02-23 02:49:09 -05:00
parent cc863129b8
commit 6d574e9cff

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