briggs 6e95146ec6 Raise spl4 to spl6 in quick_go--I am now experimenting with interrupts
at levels 5 (sound) and 6 (via1) on the Q700.
Raise splhigh when reading and writing registers.  It's ugly, but it's
possible that we could get an interrupt from a higher-level source,
causing a re-read of a memory location.
This is not good when, e.g., we are reading the interrupt register.
Ideally, we would just raise splhigh() in ncr53c9x_readregs(), but
that's m.i. code, and it may be expensive on other architectures.
1999-06-01 03:40:12 +00:00
1999-05-31 23:57:50 +00:00
1999-05-16 00:15:46 +00:00
1999-05-26 15:39:36 +00:00
1999-05-31 14:52:11 +00:00
1999-05-27 21:03:31 +00:00
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