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[/] [or1k/] [tags/] [nog_patch_47/] [or1ksim/] [peripheral/] [16450.c] - Rev 1782

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1765 root 5583d 11h /or1k/tags/nog_patch_47/or1ksim/peripheral/16450.c
1419 This commit was manufactured by cvs2svn to create tag 'nog_patch_47'. 7023d 18h /or1k/tags/nog_patch_47/or1ksim/peripheral/16450.c
1396 Remove useless use of floats nogj 7023d 18h /or1k/tags/nog_patch_47/or1ksim/peripheral/16450.c
1394 Fix VAPI in the uart nogj 7023d 18h /or1k/tags/nog_patch_47/or1ksim/peripheral/16450.c
1392 Make uart use the new trace functions nogj 7023d 18h /or1k/tags/nog_patch_47/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 7023d 18h /or1k/tags/nog_patch_47/or1ksim/peripheral/16450.c
1367 Cleanup uart peripheral useing the new callback mechanism nogj 7064d 13h /or1k/tags/nog_patch_47/or1ksim/peripheral/16450.c
1366 Pass a caller given pointer to the vapi_read callback nogj 7064d 13h /or1k/tags/nog_patch_47/or1ksim/peripheral/16450.c
1359 Pass private data in readfunc/writefunc callbacks nogj 7064d 13h /or1k/tags/nog_patch_47/or1ksim/peripheral/16450.c
1358 Modularise config file parseing. Paving the way for further modularisation. nogj 7064d 13h /or1k/tags/nog_patch_47/or1ksim/peripheral/16450.c
1350 Mark a simulated cpu address as such, by introducing the new oraddr_t type nogj 7073d 16h /or1k/tags/nog_patch_47/or1ksim/peripheral/16450.c
1308 Gyorgy Jeney: extensive cleanup phoenix 7278d 10h /or1k/tags/nog_patch_47/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 7445d 19h /or1k/tags/nog_patch_47/or1ksim/peripheral/16450.c
1165 timeout bug fixed; contribution by Carlos markom 7684d 18h /or1k/tags/nog_patch_47/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 7742d 13h /or1k/tags/nog_patch_47/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 7743d 07h /or1k/tags/nog_patch_47/or1ksim/peripheral/16450.c
1143 Make UART transmitter-empty interrupts match both 16450 and 16550 behavior. sfurman 7746d 03h /or1k/tags/nog_patch_47/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 7786d 11h /or1k/tags/nog_patch_47/or1ksim/peripheral/16450.c
1073 channels support rprescott 7911d 15h /or1k/tags/nog_patch_47/or1ksim/peripheral/16450.c
997 PRINTF should be used instead of printf; command redirection repaired markom 7975d 01h /or1k/tags/nog_patch_47/or1ksim/peripheral/16450.c
970 Testbench is now running on ORP architecture platform. simons 7982d 12h /or1k/tags/nog_patch_47/or1ksim/peripheral/16450.c
884 code cleaning - a lot of global variables moved to runtime struct markom 8018d 23h /or1k/tags/nog_patch_47/or1ksim/peripheral/16450.c
821 ugly bug with duplicate redefined i removed markom 8104d 20h /or1k/tags/nog_patch_47/or1ksim/peripheral/16450.c
806 uart now partially uses scheduler markom 8110d 02h /or1k/tags/nog_patch_47/or1ksim/peripheral/16450.c
805 kbd, fb, vga devices now uses scheduler markom 8110d 02h /or1k/tags/nog_patch_47/or1ksim/peripheral/16450.c
713 lot of small minor improvements: code documented, cleaned; runs at about same speed when not actually logging, but exe_log is enabled; raw_stats now run only with simple execution - enable RAW_USAGE_STATS macro markom 8147d 00h /or1k/tags/nog_patch_47/or1ksim/peripheral/16450.c
549 enabled parameters removed from devices, which also have number of devices; command line --output-cfg parameter added markom 8200d 20h /or1k/tags/nog_patch_47/or1ksim/peripheral/16450.c
530 THRI interrupt fixed. simons 8203d 13h /or1k/tags/nog_patch_47/or1ksim/peripheral/16450.c
529 Bug in receiver fixed. simons 8203d 16h /or1k/tags/nog_patch_47/or1ksim/peripheral/16450.c
492 uart THRE interrupt immedialty after write to IER markom 8219d 23h /or1k/tags/nog_patch_47/or1ksim/peripheral/16450.c

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