Chris Johns 29734ecaa6 gdb/sparc: SIS gdb output fix, add nouartrx.
Fix the output from the simulator to gdb to use gdb interfaces
so the output is passes through the MI protocol if used.

Add a nouartrx option to the simulator so it does not block on
an stdin read. The termios settings put the tty into non-blocking
mode however the read sometimes blocks on high loads.
2014-01-18 17:27:13 +11:00
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