Gregory Nutt
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1725946447
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Misc changed to get the SAMA5 ELF configuration with address environments working
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2014-08-25 13:28:13 -06:00 |
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Gregory Nutt
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e1799b0423
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Cortex-A/SAMA5 address environment support is code complete (untested)
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2014-08-25 11:18:32 -06:00 |
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Gregory Nutt
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1624e2fbcf
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Change CONFIG_ADDRENV to CONFIG_ARCH_ADDRENV; change how it is selected -- the architecure must first declare support
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2014-08-24 06:42:11 -06:00 |
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Gregory Nutt
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e79d6e3c8b
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A few fixes for compilation errors due to recent address environment fixes
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2014-08-22 15:55:00 -06:00 |
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Gregory Nutt
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4e699b00de
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Need to release the addess environment when the task group is released
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2014-08-22 14:49:05 -06:00 |
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Gregory Nutt
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1d586e6136
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An address environment is the property of a task group, not of a thread
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2014-08-22 12:32:34 -06:00 |
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Gregory Nutt
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fd484c4de9
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Add support for statically allocated watchdog timer structures
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2014-08-22 08:46:34 -06:00 |
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Gregory Nutt
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ad9b3f8ab8
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wdog.h does not contain any application interface, only internal OS interface. Further, it is non-standard. Move wdog.h from include/ to include/nuttx. For the same reason, move the description of the watchdog timer interfaces from the Users Guide to the Porting Guide.
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2014-08-21 11:16:55 -06:00 |
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Gregory Nutt
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952d87587f
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If we run out of pre-allocated watchdog times, the logic will allocate additional timers from the heap. A reserve of pre-allocated watchdog timers is maintained so that there will always be timers available for interrupt handlers.
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2014-08-21 08:44:29 -06:00 |
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Gregory Nutt
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27c48a383e
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Don't do 64-bit calculations if accuracy not achievable; Fix compile error in high res RTC mode
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2014-08-15 17:48:07 -06:00 |
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Gregory Nutt
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eed1d6c619
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When reading the system timer, don't read a struct timespec, convert it to a fake tick count, then back to a timespec. Remove CLOCK_ACTIVETIME.. it is non-standard, unused, and gets in the way of changes like this
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2014-08-15 03:55:41 -06:00 |
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Gregory Nutt
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2bc07a03ae
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Correct release notes, updat changelog, fix some conditional compilation
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2014-08-15 06:56:42 -06:00 |
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Gregory Nutt
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569a0815ca
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Updated comments
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2014-08-12 13:50:18 -06:00 |
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Gregory Nutt
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6546fa39c7
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Tickless Stuff: Back out the risky timer operations when the ready-to-run list is modified. That is unsafe. An ugly workaround is just to keep an interval timer going all of the time with a minimum duration equal to the timeslice interval.
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2014-08-12 11:12:00 -06:00 |
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Gregory Nutt
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686e5d7e3d
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Tickless: If using an ALARM, then really should report time of expiration
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2014-08-12 10:00:32 -06:00 |
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Gregory Nutt
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66803d0db6
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Define interfaces to use an alarm instead of an interval timer with the tickless option
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2014-08-12 07:28:41 -06:00 |
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Gregory Nutt
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e1fc925705
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Minor update to handling of timeslick delay on tast switches
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2014-08-11 15:07:15 -06:00 |
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Gregory Nutt
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56196ecea1
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Fix a computation error in the fix for the last computational error
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2014-08-11 12:07:49 -06:00 |
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Gregory Nutt
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b4bbe354fd
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Fix inaccurate time conversion. Remove MSEC_PER_TICK and convert uint32_t to uin64_t.
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2014-08-11 11:14:40 -06:00 |
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Gregory Nutt
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649ef76f71
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Timers: In Tickless mode, need to stop the interval timer before inserted a new delay into the timer list. Otherwise, the time is incorrect on the first entry of the list
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2014-08-11 08:25:25 -06:00 |
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Gregory Nutt
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f2058fa271
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Comment out reassessment of timer in the middle of context switches. Need to revisit
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2014-08-11 07:05:47 -06:00 |
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Gregory Nutt
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6bd52bce06
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Tickless OS: Correct a bug: logic to detect changes in head of timer list was wrong.
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2014-08-10 13:12:18 -06:00 |
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Gregory Nutt
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e1769b22f1
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Remove os_internal.h it has been replace by several new header files under sched/. There have been some sneak inclusion paths via os_internal.h, so expect a few compilation errors for some architectures
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2014-08-08 18:39:28 -06:00 |
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Gregory Nutt
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0be5f2ca81
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Move exit.c to task/exit.c
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2014-08-08 18:38:04 -06:00 |
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Gregory Nutt
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d798dd37a7
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Replace os_internal.h with sched/sched.h in files that actually reference something in sched.h
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2014-08-08 17:53:55 -06:00 |
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Gregory Nutt
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1f28365f55
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Part of the last incomplete change
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2014-08-08 17:45:54 -06:00 |
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Gregory Nutt
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ccf4ed2148
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Partial (non-working) checked in before the big, risky automated change
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2014-08-08 17:29:44 -06:00 |
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Gregory Nutt
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224ee05957
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Move a few files in sched/ that did not seem to have a home to sched/signal and sched/task
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2014-08-08 16:57:47 -06:00 |
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Gregory Nutt
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23a334c066
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Move task control files from sched/ to sched/task
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2014-08-08 16:44:08 -06:00 |
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Gregory Nutt
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6683d749ac
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Move errno related files from sched/ to sched/errno
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2014-08-08 15:52:55 -06:00 |
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Gregory Nutt
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9afca906eb
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Move initialization functions from sched/ to sched/init
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2014-08-08 15:30:59 -06:00 |
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Gregory Nutt
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a79ecce878
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Move page fill sources from sched/ to sched/paging
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2014-08-08 15:08:07 -06:00 |
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Gregory Nutt
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f8da16a8d3
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Move POSIX timer files from sched/ to sched/timer/
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2014-08-08 14:55:16 -06:00 |
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Gregory Nutt
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d4b56eb3cc
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Move clock functions from sched/ to sched/clock
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2014-08-08 14:43:02 -06:00 |
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Gregory Nutt
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85e8117062
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Move interrupt dispatch logic from sched/ to sched/irq
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2014-08-08 14:31:15 -06:00 |
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Gregory Nutt
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0f318e9249
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Move watchdog functions from sched/ to sched/wdog
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2014-08-08 14:21:48 -06:00 |
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Gregory Nutt
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4ff17b3904
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Move group logic from sched/ to sched/group
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2014-08-08 14:06:42 -06:00 |
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Gregory Nutt
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e10a23ae50
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Move environment files from sched/ to sched/environ
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2014-08-08 13:53:29 -06:00 |
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Gregory Nutt
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cb79407ced
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Move all pthread files from sched/ to sched/pthread
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2014-08-08 12:55:02 -06:00 |
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Gregory Nutt
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0385a00a60
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Move signal-related files from sched/ to sched/signal
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2014-08-08 12:44:44 -06:00 |
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Gregory Nutt
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08879ca34c
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Move POSIX message queue files from sched/ to sched/mqueue
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2014-08-08 12:31:23 -06:00 |
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Gregory Nutt
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5ee57bda59
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Some final tickless OS bugfixes. No longer EXPERIMENTAL. Update some comments
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2014-08-07 19:11:22 -06:00 |
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Gregory Nutt
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c9661ad5a7
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Change all time conversions. Yech. New timer units in microseconds breaks all existing logic that used milliseconds in the conversions. Something likely got broken doing this, probably because I confused a MSEC2TICK conversion with a TICK2MSEC conversion. Also, the tickless OS no appears fully functional and passes the OS test on the simulator with no errors
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2014-08-07 18:00:38 -06:00 |
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Gregory Nutt
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17ea50b45e
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Fix compler error in tickless code when round robin scheduling is enabled. Other cosmetic fixes to comments
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2014-08-07 14:14:09 -06:00 |
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Gregory Nutt
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0aa7209765
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Change CONFIG_MSEC_PER_TICK to CONFIG_USEC_PER_TICK. This gives more options for system timers in general, but more importantly, let's us realize higher resolution for the case of CONFIG_SCHED_TICKLESS=y -- of course, at the risk of some new interger overvflow problems
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2014-08-07 13:42:47 -06:00 |
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Gregory Nutt
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caba61999a
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Remove CONFIG_DISABLE_CLOCK
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2014-08-07 12:35:24 -06:00 |
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Gregory Nutt
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520a51a3e1
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Implements the tickless OS
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2014-08-07 11:39:16 -06:00 |
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Gregory Nutt
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aaafcfd688
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if CONFIG_SCHED_TICKLESS is defined, then the global variable g_system_timer does not exist.
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2014-08-06 18:29:05 -06:00 |
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Gregory Nutt
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a1ae9d36df
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Don't build in sched_processtimer.c if CONFIG_SCHED_TICKLESS is selected.
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2014-08-06 18:28:51 -06:00 |
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Gregory Nutt
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b0324c00ee
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Uses interval timer interfaces to get the time if CONFIG_SCHED_TICKLESS is selected.
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2014-08-06 18:28:08 -06:00 |
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