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4 Commits

Author SHA1 Message Date
bjh21 c11b878473 Detect overruns before reading any data. This makes overruns easier to 
understand.
 2001-11-07 19:52:59 +00:00
bjh21 0368c93d47 Move the functionality of eca_init_rx_hard() into the tail end of 
eca_fiqhandler_tx and eca_tx_downgrade.  This seems to reduce the
number of Rx overruns to zero on my current test case.
 2001-09-22 17:19:27 +00:00
bjh21 b959cd4c1f Re-organise eca(4)'s FIQ handlers. Now we have a single FIQ handler copied 
to zero page, and it branches to either the rx or tx handler.  My intention
is that the tx handler should switch to the rx one the moment it finishes,
without needing a downgrade, which I hope will get rid of the start-of-frame
rx overruns I'm seeing.

While I'm here, move the constants describing the shape of the FIQ state
structures out of if_ecavar.h and into genassym.cf where they belong.
 2001-09-20 21:54:11 +00:00
bjh21 e416135347 Driver for the standard Archimedes Econet interface, based around the 
Motorola 6854 ADLC.
 2001-09-10 23:41:48 +00:00