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[/] [or1k/] [tags/] [nog_patch_68/] [or1ksim/] [peripheral/] [16450.c] - Rev 1780

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1765 root 5601d 14h /or1k/tags/nog_patch_68/or1ksim/peripheral/16450.c
1462 This commit was manufactured by cvs2svn to create tag 'nog_patch_68'. 7041d 20h /or1k/tags/nog_patch_68/or1ksim/peripheral/16450.c
1461 Add an optional `enabled' paramter to every peripheral nogj 7041d 20h /or1k/tags/nog_patch_68/or1ksim/peripheral/16450.c
1396 Remove useless use of floats nogj 7041d 21h /or1k/tags/nog_patch_68/or1ksim/peripheral/16450.c
1394 Fix VAPI in the uart nogj 7041d 21h /or1k/tags/nog_patch_68/or1ksim/peripheral/16450.c
1392 Make uart use the new trace functions nogj 7041d 21h /or1k/tags/nog_patch_68/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 7041d 21h /or1k/tags/nog_patch_68/or1ksim/peripheral/16450.c
1367 Cleanup uart peripheral useing the new callback mechanism nogj 7082d 16h /or1k/tags/nog_patch_68/or1ksim/peripheral/16450.c
1366 Pass a caller given pointer to the vapi_read callback nogj 7082d 16h /or1k/tags/nog_patch_68/or1ksim/peripheral/16450.c
1359 Pass private data in readfunc/writefunc callbacks nogj 7082d 16h /or1k/tags/nog_patch_68/or1ksim/peripheral/16450.c
1358 Modularise config file parseing. Paving the way for further modularisation. nogj 7082d 16h /or1k/tags/nog_patch_68/or1ksim/peripheral/16450.c
1350 Mark a simulated cpu address as such, by introducing the new oraddr_t type nogj 7091d 19h /or1k/tags/nog_patch_68/or1ksim/peripheral/16450.c
1308 Gyorgy Jeney: extensive cleanup phoenix 7296d 13h /or1k/tags/nog_patch_68/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 7463d 22h /or1k/tags/nog_patch_68/or1ksim/peripheral/16450.c
1165 timeout bug fixed; contribution by Carlos markom 7702d 21h /or1k/tags/nog_patch_68/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 7760d 16h /or1k/tags/nog_patch_68/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 7761d 10h /or1k/tags/nog_patch_68/or1ksim/peripheral/16450.c
1143 Make UART transmitter-empty interrupts match both 16450 and 16550 behavior. sfurman 7764d 06h /or1k/tags/nog_patch_68/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 7804d 14h /or1k/tags/nog_patch_68/or1ksim/peripheral/16450.c
1073 channels support rprescott 7929d 18h /or1k/tags/nog_patch_68/or1ksim/peripheral/16450.c
997 PRINTF should be used instead of printf; command redirection repaired markom 7993d 04h /or1k/tags/nog_patch_68/or1ksim/peripheral/16450.c
970 Testbench is now running on ORP architecture platform. simons 8000d 15h /or1k/tags/nog_patch_68/or1ksim/peripheral/16450.c
884 code cleaning - a lot of global variables moved to runtime struct markom 8037d 02h /or1k/tags/nog_patch_68/or1ksim/peripheral/16450.c
821 ugly bug with duplicate redefined i removed markom 8122d 23h /or1k/tags/nog_patch_68/or1ksim/peripheral/16450.c
806 uart now partially uses scheduler markom 8128d 05h /or1k/tags/nog_patch_68/or1ksim/peripheral/16450.c
805 kbd, fb, vga devices now uses scheduler markom 8128d 05h /or1k/tags/nog_patch_68/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 8165d 03h /or1k/tags/nog_patch_68/or1ksim/peripheral/16450.c
549 enabled parameters removed from devices, which also have number of devices; command line --output-cfg parameter added markom 8218d 23h /or1k/tags/nog_patch_68/or1ksim/peripheral/16450.c
530 THRI interrupt fixed. simons 8221d 16h /or1k/tags/nog_patch_68/or1ksim/peripheral/16450.c
529 Bug in receiver fixed. simons 8221d 19h /or1k/tags/nog_patch_68/or1ksim/peripheral/16450.c

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