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[/] [or1k/] [tags/] [nog_patch_65/] [or1ksim/] - Rev 1169

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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 7806d 01h /or1k/tags/nog_patch_65/or1ksim/
1114 Added cvs log keywords lampret 7836d 19h /or1k/tags/nog_patch_65/or1ksim/
1106 Cache invalidate bug fixed again (it was ok before). simons 7886d 07h /or1k/tags/nog_patch_65/or1ksim/
1103 sync problem in cuc not yet fixed markom 7892d 08h /or1k/tags/nog_patch_65/or1ksim/
1102 few cuc bug fixes markom 7892d 08h /or1k/tags/nog_patch_65/or1ksim/
1101 cuc now compiles markom 7892d 11h /or1k/tags/nog_patch_65/or1ksim/
1100 cvs problem fixed markom 7892d 11h /or1k/tags/nog_patch_65/or1ksim/
1099 cvs bug fixed markom 7892d 11h /or1k/tags/nog_patch_65/or1ksim/
1098 small bug in cuc fixed markom 7892d 12h /or1k/tags/nog_patch_65/or1ksim/
1097 Cache invalidate bug fixed. simons 7893d 02h /or1k/tags/nog_patch_65/or1ksim/

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