0638763b62
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@192 42af7a65-404d-4744-a932-0658087f49c3
127 lines
5.3 KiB
Plaintext
127 lines
5.3 KiB
Plaintext
0.1.0 2007-03-09 Gregory Nutt <spudmonkey@racsa.co.cr>
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* Initial Release
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* Support for Linux user mode simulation and TI
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TMS320C5471 (Arm7) provided
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0.1.1 2007-03-14 Gregory Nutt <spudmonkey@racsa.co.cr>
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* Corrected an error in interrupt level context switching
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for C5471
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* Added fgets() and gets() logic; verified c5471 console read.
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* Corrected error in reading from the C5471 serial port:
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Improper use of semaphore can cause deadlock.
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* Fixed an error in the memory cleanup: The idle task
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cannot take sempahores (because it must always be ready
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to run).
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* Tasks can now accept a configurable maximum number of
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input parameters (argc)
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* _task_init() was divided into separate functions that
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require fewer parameters. This was necessary to keep
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the stack usage down for the 8051/2 (which has only
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256 bytes of stack).
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* Attempts to use C5471 console from interrupt handlers
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can cause errors. Added a special path for this case.
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* Refuse calls to sem_wait and sem_trywait from interrupt
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handlers. This was happening because interrupt handlers
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were calling printf-like functions.
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* Added strtok() and strtok_r()
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* Added a simple shell called nsh (see examples/nsh).
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* Platform support for 8052 is complete but not stable
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when the timer interrupt is enabled. Seems to be an
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issue when SP enters indirect address space.
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* Documentation updates
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0.1.2 2007-03-19 Gregory Nutt <spudmonkey@racsa.co.cr>
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* Add dirent.h, opendir(), readdir(), closedir(), etc.
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* Add strerror()
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* Added 'ls' command to nsh
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* Added C5471 watchdog driver
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* Fixed another bug where free() is called from IDLE task.
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Can't do this; the caller must be able to wait for access
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to memory.
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* Fixed bugs associated with debug output:
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Cannot do dbg() in middle of context switch logic.
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because it may require use of semaphores and cause
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additional context switches. lldbg() is safe.
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* Interrupt must be disabled throughout all context switches.
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* Separated C5471 serial driver; a shareable part is
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in drivers/. ; the C5471 specific part is in arch/C5471.
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serial.h defines the interface.
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* Fixed mq_receive() and mq_send() -- bad memcpy()
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* Fixed C5471 signal deliver logic: use of dbg() and
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other actions by use signal handler can alter errno.
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need to protect errno during signal handling.
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* Fixed uninitialized variable in filesystem that could
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cause various problems
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* Added a test for roundrobin scheduler.
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0.2.1 2007-03-22 Gregory Nutt <spudmonkey@racsa.co.cr>
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* Fix error in handing signed decimal in vsprintf().
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* Major restructuring of header files to get closer to
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POSIX compliance.
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* Eliminate compilation warnings that that crept into
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recent check-ins
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* Add kill()
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* Added support for POSIX timers
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* Some Documentation updates
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* Added support for the Neuros OSD / DM320
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0.2.2 2007-03-26 Gregory Nutt <spudmonkey@racsa.co.cr>
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* Created the configs/ directory; separated board configuration
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from processor architecture logic
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* Add memory leak detection test to examples/ostest
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* Corrected memory leak in OS pthread join logic
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* Corrected memory leaks in examples/ostest due to failures
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to join or detach from pthreads.
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* Added pthread_once(), pthread_kill(), pthread_sigmask()
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* Added pthread_barrierattr_*() APIs
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* Added pthread_barrier_init(), pthread_barrier_destroy(), and
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pthread_barrier_wait();
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* Added pthread barrier test
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* Added protection so that errno cannot be modified from
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interrupt handling.
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* sched_setparam(), sched_setscheduler() now correctly set
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errno; pthread_setscheduler() now returns the correct errno.
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* Added pthread_setschedprio().
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* Added directories to hold board-specific header files
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* Added directories to hold board-specific drivers
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0.2.3 2007-03-29 Gregory Nutt <spudmonkey@racsa.co.cr>
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* mq_receive and mq_send now return errno's appropriately
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* mq_receive and mq_send are now correctly awakened by signals.
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* Fixed an unmatched sched_lock/unlock pair in task_delete().
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* sched_lock must be called in _exit() because operation of
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task_delete() can cause pending tasks to be merged and a
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context switch to occur.
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* Added mq_timedreceive() and mq_timedsend()
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* signal mask is now inherited by both child tasks and threads.
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* Improved sharebility of stdout among pthreads (only). Nothing
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was broken, but by moving the mutual exclusion logic to a
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higher level, the printf output is more readable.
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* Fixed a bug in file system cleanup: A list was being deleted
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before the buffers contained in the list.
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* Fixed a bug in the wait-for-message-queue-not-empty logic.
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* Added a test of timed mqueue operations; detected and corrected
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some mqueue errors.
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* Identified and corrected a race condition associated with
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pthread_join. In the failure condition, memory was being
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deallocated while still in use.
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0.2.4 2007-04-28 Gregory Nutt <spudmonkey@racsa.co.cr>
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* Verfied c5471 build under Cygwin on WinXP
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* Makesystem changes to better support different SoCs.
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* Made arch/c5471/include and arch/dm320/include identical in
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preparation for merging into arch/arm
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* Logic from arch/c5471 and arch/dm320 combined into arch/arm.
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arch/c5471 and arch/dm320 are deprecated and will be removed
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when the new c5471 and dm320 logic is verified.
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0.2.5 2007-xx-xx Gregory Nutt <spudmonkey@racsa.co.cr>
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* Started m68322
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