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[/] [or1k/] [tags/] [nog_patch_36/] [or1ksim/] [peripheral/] [16450.c] - Rev 1778

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1765 root 5594d 15h /or1k/tags/nog_patch_36/or1ksim/peripheral/16450.c
1397 This commit was manufactured by cvs2svn to create tag 'nog_patch_36'. 7034d 22h /or1k/tags/nog_patch_36/or1ksim/peripheral/16450.c
1396 Remove useless use of floats nogj 7034d 22h /or1k/tags/nog_patch_36/or1ksim/peripheral/16450.c
1394 Fix VAPI in the uart nogj 7034d 22h /or1k/tags/nog_patch_36/or1ksim/peripheral/16450.c
1392 Make uart use the new trace functions nogj 7034d 22h /or1k/tags/nog_patch_36/or1ksim/peripheral/16450.c
1390 * Change scheduler to count down to 0 instead of reaching a certain cycle
count.
* Change the SCHED_ADD interface to take a time out as the parameter instead of the number of cycles.		 nogj 7034d 22h /or1k/tags/nog_patch_36/or1ksim/peripheral/16450.c
1367 Cleanup uart peripheral useing the new callback mechanism nogj 7075d 17h /or1k/tags/nog_patch_36/or1ksim/peripheral/16450.c
1366 Pass a caller given pointer to the vapi_read callback nogj 7075d 17h /or1k/tags/nog_patch_36/or1ksim/peripheral/16450.c
1359 Pass private data in readfunc/writefunc callbacks nogj 7075d 17h /or1k/tags/nog_patch_36/or1ksim/peripheral/16450.c
1358 Modularise config file parseing. Paving the way for further modularisation. nogj 7075d 17h /or1k/tags/nog_patch_36/or1ksim/peripheral/16450.c
1350 Mark a simulated cpu address as such, by introducing the new oraddr_t type nogj 7084d 20h /or1k/tags/nog_patch_36/or1ksim/peripheral/16450.c
1308 Gyorgy Jeney: extensive cleanup phoenix 7289d 14h /or1k/tags/nog_patch_36/or1ksim/peripheral/16450.c
1244 Added "cm" command to copy data inside memory.
Make or1ksim work on little endian platforms.
Port to Mac OS X.
Some bugfixes.
Allow JTAG write access to read-only memory regions.		 hpanther 7456d 23h /or1k/tags/nog_patch_36/or1ksim/peripheral/16450.c
1165 timeout bug fixed; contribution by Carlos markom 7695d 22h /or1k/tags/nog_patch_36/or1ksim/peripheral/16450.c
1153 When multiple interrupts were pending, e.g. TX buffer empty and RX
available, reading the UART's IIR register could potentially clear a
TX interrupt before it had been sent to the processor, thus dropping
the interrupt permanently.

Fix tested w/ both eCos and uclinux.		 sfurman 7753d 17h /or1k/tags/nog_patch_36/or1ksim/peripheral/16450.c
1145 1) Fix trivial bug w/ transmitter empty interrupts that I introduced in the
last check-in.
2) Improve printed output from debugging-only uart_status() routine.		 sfurman 7754d 11h /or1k/tags/nog_patch_36/or1ksim/peripheral/16450.c
1143 Make UART transmitter-empty interrupts match both 16450 and 16550 behavior. sfurman 7757d 07h /or1k/tags/nog_patch_36/or1ksim/peripheral/16450.c
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 7797d 15h /or1k/tags/nog_patch_36/or1ksim/peripheral/16450.c
1073 channels support rprescott 7922d 19h /or1k/tags/nog_patch_36/or1ksim/peripheral/16450.c
997 PRINTF should be used instead of printf; command redirection repaired markom 7986d 05h /or1k/tags/nog_patch_36/or1ksim/peripheral/16450.c

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