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[/] [or1k/] [trunk/] [or1ksim/] - Rev 1170

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Rev Log message Author Age Path
1117 Ignore generated files for CVS purposes sfurman 7809d 07h /or1k/trunk/or1ksim/
1116 There was a bug in the simulator's UART implementation that caused the
UART's LSR register to become corrupted. This was due to an
assumption that 'char' is an unsigned type, but that is not true on
all platforms.

When the char type is signed and a character is read in the range
0x80-0xff, the high bit is sign-extended into the upper bits of an
entry in the receive FIFO. When the character reaches the head of the
FIFO, the upper bits of the FIFO entry are OR'ed into the LSR, causing
the LSR to be set to 0xFF.

A simple cast fixes the problem.
sfurman 7809d 08h /or1k/trunk/or1ksim/
1114 Added cvs log keywords lampret 7840d 02h /or1k/trunk/or1ksim/
1106 Cache invalidate bug fixed again (it was ok before). simons 7889d 14h /or1k/trunk/or1ksim/
1103 sync problem in cuc not yet fixed markom 7895d 15h /or1k/trunk/or1ksim/
1102 few cuc bug fixes markom 7895d 15h /or1k/trunk/or1ksim/
1101 cuc now compiles markom 7895d 18h /or1k/trunk/or1ksim/
1100 cvs problem fixed markom 7895d 18h /or1k/trunk/or1ksim/
1099 cvs bug fixed markom 7895d 18h /or1k/trunk/or1ksim/
1098 small bug in cuc fixed markom 7895d 19h /or1k/trunk/or1ksim/

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