| Commit message (Collapse) | Author | Age | Files | Lines |
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* score/src/heap.c, score/include/rtems/score/heap.h: Reduced alignment
requirement for CPU_ALIGNMENT from four to two.
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* score/include/rtems/score/heap.h, score/inline/rtems/score/heap.inl,
score/src/heapallocate.c, score/src/heap.c, score/src/heapextend.c,
score/src/heapresizeblock.c, score/src/heapwalk.c: Documenation.
Simplified block resize. Improved heap walk. Changed heap layout to
avoid a special case for _Heap_Is_used() and _Heap_Is_free().
* libmisc/stackchk/check.c: Update for heap API changes.
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* libcsupport/src/free.c, libmisc/stackchk/check.c,
rtems/include/rtems/rtems/region.h, rtems/src/regioncreate.c,
rtems/src/regionextend.c, rtems/src/regiongetinfo.c,
rtems/src/regiongetsegment.c, rtems/src/regiongetsegmentsize.c,
rtems/src/regionresizesegment.c, score/src/pheapallocate.c,
score/src/pheapallocatealigned.c, score/src/pheapextend.c,
score/src/pheapfree.c, score/src/pheapgetblocksize.c,
score/src/pheapgetfreeinfo.c, score/src/pheapgetinfo.c,
score/src/pheapgetsize.c, score/src/pheapinit.c,
score/src/pheapresizeblock.c, score/src/pheapwalk.c:
Update for heap API changes.
* score/include/rtems/score/apimutex.h,
score/include/rtems/score/object.h: Documentation.
* score/include/rtems/score/heap.h,
score/include/rtems/score/protectedheap.h,
score/inline/rtems/score/heap.inl, score/src/heap.c,
score/src/heapallocate.c, score/src/heapallocatealigned.c,
score/src/heapextend.c, score/src/heapfree.c,
score/src/heapgetfreeinfo.c, score/src/heapgetinfo.c,
score/src/heapresizeblock.c, score/src/heapsizeofuserarea.c,
score/src/heapwalk.c: Overall cleanup. Added boundary constraint to
allocation function. More changes follow.
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* libmisc/stackchk/check.c, rtems/src/regionreturnsegment.c,
rtems/src/regiongetsegmentsize.c, src/heapalignupuptr.c,
src/heapallocatealigned.c, src/heapallocate.c, src/heap.c,
src/heapextend.c, src/heapfree.c, src/heapgetfreeinfo.c,
src/heapgetinfo.c, src/heapresizeblock.c, src/heapsizeofuserarea.c,
src/heapwalk.c, src/pheapgetblocksize.c, inline/rtems/score/heap.inl,
include/rtems/score/heap.h: Overall cleanup. Changed all types for
addresses, sizes, offsets and alignments to uintptr_t. Reformatted.
Added variables for clarity. Renamed various objects. Enabled
_HAssert() for all instances. More changes follow.
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* score/src/heap.c: Remove unneeded include.
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* libcsupport/src/realloc.c, rtems/include/rtems/rtems/region.h,
rtems/src/regioncreate.c, rtems/src/regionextend.c,
rtems/src/regiongetsegment.c, rtems/src/regiongetsegmentsize.c,
rtems/src/regionmp.c, rtems/src/regionresizesegment.c,
sapi/include/rtems/config.h, score/include/rtems/score/heap.h,
score/include/rtems/score/protectedheap.h, score/src/heap.c,
score/src/heapallocate.c, score/src/heapallocatealigned.c,
score/src/heapextend.c, score/src/heapresizeblock.c,
score/src/heapsizeofuserarea.c, score/src/pheapallocate.c,
score/src/pheapallocatealigned.c, score/src/pheapextend.c,
score/src/pheapgetblocksize.c, score/src/pheapresizeblock.c: Change
sizes of heap/region and allocated objects in heap to intptr_t so
they can be larger than a single allocatable object (e.g. size_t).
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* score/include/rtems/score/heap.h,
score/include/rtems/score/protectedheap.h,
score/include/rtems/score/wkspace.h, score/src/heap.c,
score/src/heapallocate.c, score/src/heapallocatealigned.c,
score/src/heapextend.c, score/src/heapresizeblock.c,
score/src/heapsizeofuserarea.c, score/src/pheapgetblocksize.c,
score/src/wkspace.c: Revert use of ssize_t. This type is not
guaranteed to be able to represent a positive number greater than the
size of a single allocatable object. We needed a type that is able to
represent the size of a pool of multiple allocatable objects or
potentially nearly all memory.
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* libcsupport/src/malloc_statistics_helpers.c,
libcsupport/src/realloc.c, rtems/include/rtems/rtems/region.h,
rtems/include/rtems/rtems/support.h,
rtems/src/regiongetsegmentsize.c, rtems/src/regionresizesegment.c,
rtems/src/workspace.c, sapi/include/confdefs.h,
score/include/rtems/score/heap.h,
score/include/rtems/score/protectedheap.h,
score/include/rtems/score/wkspace.h, score/src/heap.c,
score/src/heapallocate.c, score/src/heapallocatealigned.c,
score/src/heapextend.c, score/src/heapresizeblock.c,
score/src/heapsizeofuserarea.c, score/src/pheapgetblocksize.c,
score/src/wkspace.c: Change size_t to ssize_t on all Heap, Workspace
and Region calls. On 16-bit architectures, size_t can be 16-bits
which would limit sizes to 64K.
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PR 1258/rtems
* cpukit/score/src/heapallocatealigned.c (block_allocate): New routine.
* cpukit/score/src/heapallocatealigned.c (_Heap_Allocate_aligned):
Use block_allocate() instead of _Heap_Block_allocate(). Replace
_Heap_Head(the_heap)->next with equivalent _Heap_First(the_heap).
* cpukit/score/src/heap.c (_Heap_Allocate): fix comments according
to changed block split strategy in _Heap_Allocate_aligned().
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* score/src/heap.c: Style.
* score/src/heapwalk.c: Add more information to prints.
* score/src/pheapwalk.c: Do not lock allocator mutex if dispatching
is disabled.
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Large patch to improve Doxygen output. As a side-effect, grammar and
spelling errors were corrected, spacing errors were address, and some
variable names were improved.
* libmisc/monitor/mon-object.c, libmisc/monitor/monitor.h:
Account for changing OBJECTS_NO_CLASS to OBJECTS_CLASSIC_NO_CLASS.
* score/Doxyfile: Set output directory. Predefine some macro values.
Turn on graphical output.
* score/include/rtems/debug.h, score/include/rtems/seterr.h,
score/include/rtems/system.h, score/include/rtems/score/address.h,
score/include/rtems/score/apiext.h,
score/include/rtems/score/apimutex.h,
score/include/rtems/score/bitfield.h,
score/include/rtems/score/chain.h,
score/include/rtems/score/context.h,
score/include/rtems/score/coremsg.h,
score/include/rtems/score/coremutex.h,
score/include/rtems/score/coresem.h,
score/include/rtems/score/heap.h, score/include/rtems/score/interr.h,
score/include/rtems/score/isr.h, score/include/rtems/score/mpci.h,
score/include/rtems/score/mppkt.h,
score/include/rtems/score/object.h,
score/include/rtems/score/objectmp.h,
score/include/rtems/score/priority.h,
score/include/rtems/score/stack.h,
score/include/rtems/score/states.h,
score/include/rtems/score/sysstate.h,
score/include/rtems/score/thread.h,
score/include/rtems/score/threadmp.h,
score/include/rtems/score/threadq.h, score/include/rtems/score/tod.h,
score/include/rtems/score/tqdata.h,
score/include/rtems/score/userext.h,
score/include/rtems/score/watchdog.h,
score/include/rtems/score/wkspace.h,
score/inline/rtems/score/address.inl,
score/inline/rtems/score/chain.inl,
score/inline/rtems/score/coremutex.inl,
score/inline/rtems/score/coresem.inl,
score/inline/rtems/score/heap.inl,
score/inline/rtems/score/object.inl,
score/inline/rtems/score/stack.inl,
score/inline/rtems/score/thread.inl,
score/inline/rtems/score/tqdata.inl, score/macros/README,
score/src/heap.c, score/src/threadmp.c, score/src/threadready.c,
score/src/threadstartmultitasking.c: Improve generated Doxygen
output. Fix spelling and grammar errors in comments. Correct names of
some variables and propagate changes.
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PR 746/rtems
Optimize realloc(). The problem is that realloc() can neither grow
nor shrink efficiently the current memory region without support
from underlying heap/region modules. The patch introduces one new
routine for each of heap and region modules, _Heap_Resize_block(),
and rtems_region_resize_segment(), respectively, and uses the
latter to optimize realloc().
The implementation of _Heap_Resize_block() lead to changing of the
heap allocation strategy: now the heap manager, when splits larger
free block into used and new free parts, makes the first part of
the block used, not the last one as it was before. Due to this new
strategy, _Heap_Resize_block() never needs to change the user
pointer.
Caveat: unlike previous heap implementation, first few bytes of
the contents of the memory allocated from the heap are now almost
never all zero. This can trigger bugs in client code that have not
been visible before this patch.
* libcsupport/src/malloc.c (realloc): try to resize segment in
place using new rtems_region_resize_segment() routine before
falling back to the malloc()/free() method.
* score/src/heap.c:
(_Heap_Initialize): change initial heap layout to reflect new
allocation strategy of using of the lower part of a previously
free block when splitting it for the purpose of allocation.
(_Heap_Block_allocate): when split, make the lower part used, and
leave the upper part free. Return type changed from Heap_Block* to
uint32_t.
* score/include/rtems/score/heap.h:
(Heap_Statistics): added 'resizes' field.
(Heap_Resize_status): new enum.
(_Heap_Resize_block): new routine.
(_Heap_Block_allocate): return type changed from Heap_Block* to
uint32_t.
* score/src/heapwalk.c: reflect new heap layout in checks.
* score/src/heapsizeofuserarea.c: more assertions added.
* score/src/heapresizeblock.c: new file.
(_Heap_Resize_block): new routine.
* score/src/heapfree.c: reverse the checks _Heap_Is_block_in() and
_Heap_Is_prev_used() on entry to be in this order.
* score/src/heapallocate.c, score/src/heapallocatealigned.c:
ignore return value of _Heap_Block_allocate().
* score/Makefile.am (HEAP_C_FILES): added src/heapresizeblock.c.
* rtems/include/rtems/rtems/region.h:
(rtems_region_resize_segment): new interface routine.
(_Region_Process_queue): new internal routine called from
rtems_region_resize_segment() and rtems_region_return_segment().
* rtems/src/regionreturnsegment.c: move queue management code into
the new internal routine _Region_Process_queue() and call it.
* rtems/src/regionresizesegment.c: new file.
(rtems_region_resize_segment): new interface routine.
* rtems/src/regionprocessqueue.c: new file.
(_Region_Process_queue): new internal routine containing queue
management code factored out from 'regionreturnsegment.c'.
* rtems/Makefile.am (REGION_C_FILES): Added
src/regionresizesegment.c, and src/regionprocessqueue.c.
* ada/rtems.adb, ada/rtems.ads: Added Region_Resize_Segment.
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PR 536/rtems
Heap manager re-implementation to consume less memory and still satisfy
alignment requirements.
* score/src/heap.c, score/src/heapallocate.c, score/src/heapextend.c,
score/src/heapfree.c, score/src/heapgetinfo.c,
score/src/heapgetfreeinfo.c, core/src/heapsizeofuserarea.c,
score/src/heapwalk.c, core/macros/rtems/score/heap.inl,
score/inline/rtems/score/heap.inl,
score/include/rtems/score/heap.h: Reimplemented.
* score/src/heapallocatealigned.c: new file
* score/Makefile.am: HEAP_C_FILES: add score/src/heapallocatealigned.c
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* score/src/Unlimited.txt, score/src/chain.c, score/src/coremsg.c,
score/src/coremsgbroadcast.c, score/src/coremsgclose.c,
score/src/coremsgflush.c, score/src/coremsgflushsupp.c,
score/src/coremsgseize.c, score/src/coremsgsubmit.c,
score/src/coremutex.c, score/src/coremutexflush.c,
score/src/coresem.c, score/src/coresemflush.c, score/src/coretod.c,
score/src/coretodtickle.c, score/src/coretodtoseconds.c,
score/src/coretodvalidate.c, score/src/heap.c,
score/src/heapallocate.c, score/src/heapextend.c,
score/src/heapfree.c, score/src/heapsizeofuserarea.c,
score/src/interr.c, score/src/iterateoverthreads.c,
score/src/mpci.c, score/src/object.c, score/src/objectallocate.c,
score/src/objectallocatebyindex.c, score/src/objectclearname.c,
score/src/objectcomparenameraw.c,
score/src/objectcomparenamestring.c, score/src/objectcopynameraw.c,
score/src/objectcopynamestring.c,
score/src/objectextendinformation.c, score/src/objectfree.c,
score/src/objectget.c, score/src/objectgetbyindex.c,
score/src/objectgetisr.c, score/src/objectgetnoprotection.c,
score/src/objectidtoname.c, score/src/objectinitializeinformation.c,
score/src/objectmp.c, score/src/objectnametoid.c,
score/src/objectshrinkinformation.c, score/src/thread.c,
score/src/threadcreateidle.c, score/src/threadget.c,
score/src/threadidlebody.c, score/src/threadinitialize.c,
score/src/threadmp.c, score/src/threadq.c,
score/src/threadqdequeuepriority.c,
score/src/threadqenqueuepriority.c,
score/src/threadqfirstpriority.c, score/src/threadqflush.c,
score/src/threadreset.c, score/src/threadrestart.c,
score/src/threadsettransient.c, score/src/threadstackallocate.c,
score/src/threadstart.c, score/src/userext.c,
score/src/watchdoginsert.c, score/src/wkspace.c: Convert to using
c99 fixed size types.
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* include/rtems/debug.h, include/rtems/seterr.h,
include/rtems/system.h, include/rtems/score/address.h,
include/rtems/score/apiext.h, include/rtems/score/apimutex.h,
include/rtems/score/bitfield.h, include/rtems/score/chain.h,
include/rtems/score/context.h, include/rtems/score/copyrt.h,
include/rtems/score/coremsg.h, include/rtems/score/coremutex.h,
include/rtems/score/coresem.h, include/rtems/score/heap.h,
include/rtems/score/interr.h, include/rtems/score/isr.h,
include/rtems/score/mpci.h, include/rtems/score/mppkt.h,
include/rtems/score/object.h, include/rtems/score/objectmp.h,
include/rtems/score/priority.h, include/rtems/score/stack.h,
include/rtems/score/states.h, include/rtems/score/sysstate.h,
include/rtems/score/thread.h, include/rtems/score/threadmp.h,
include/rtems/score/threadq.h, include/rtems/score/tod.h,
include/rtems/score/tqdata.h, include/rtems/score/userext.h,
include/rtems/score/watchdog.h, include/rtems/score/wkspace.h,
inline/rtems/score/address.inl, inline/rtems/score/chain.inl,
inline/rtems/score/coremsg.inl, inline/rtems/score/coremutex.inl,
inline/rtems/score/coresem.inl, inline/rtems/score/heap.inl,
inline/rtems/score/isr.inl, inline/rtems/score/mppkt.inl,
inline/rtems/score/object.inl, inline/rtems/score/objectmp.inl,
inline/rtems/score/priority.inl, inline/rtems/score/stack.inl,
inline/rtems/score/states.inl, inline/rtems/score/sysstate.inl,
inline/rtems/score/thread.inl, inline/rtems/score/threadmp.inl,
inline/rtems/score/tod.inl, inline/rtems/score/tqdata.inl,
inline/rtems/score/userext.inl, inline/rtems/score/watchdog.inl,
inline/rtems/score/wkspace.inl, macros/rtems/score/address.inl,
macros/rtems/score/chain.inl, macros/rtems/score/coremsg.inl,
macros/rtems/score/coremutex.inl, macros/rtems/score/coresem.inl,
macros/rtems/score/heap.inl, macros/rtems/score/isr.inl,
macros/rtems/score/mppkt.inl, macros/rtems/score/object.inl,
macros/rtems/score/objectmp.inl, macros/rtems/score/priority.inl,
macros/rtems/score/stack.inl, macros/rtems/score/states.inl,
macros/rtems/score/sysstate.inl, macros/rtems/score/thread.inl,
macros/rtems/score/threadmp.inl, macros/rtems/score/tod.inl,
macros/rtems/score/tqdata.inl, macros/rtems/score/userext.inl,
macros/rtems/score/watchdog.inl, macros/rtems/score/wkspace.inl,
src/apiext.c, src/chain.c, src/coremsg.c, src/coremsgbroadcast.c,
src/coremsgclose.c, src/coremsgflush.c, src/coremsgflushsupp.c,
src/coremsgflushwait.c, src/coremsginsert.c, src/coremsgseize.c,
src/coremsgsubmit.c, src/coremutex.c, src/coremutexflush.c,
src/coremutexseize.c, src/coremutexsurrender.c, src/coresem.c,
src/coresemflush.c, src/coresemseize.c, src/coresemsurrender.c,
src/coretod.c, src/coretodset.c, src/coretodtickle.c,
src/coretodtoseconds.c, src/coretodvalidate.c, src/heap.c,
src/heapallocate.c, src/heapextend.c, src/heapfree.c,
src/heapgetinfo.c, src/heapsizeofuserarea.c, src/heapwalk.c,
src/interr.c, src/isr.c, src/iterateoverthreads.c, src/mpci.c,
src/object.c, src/objectallocate.c, src/objectallocatebyindex.c,
src/objectclearname.c, src/objectcomparenameraw.c,
src/objectcomparenamestring.c, src/objectcopynameraw.c,
src/objectcopynamestring.c, src/objectextendinformation.c,
src/objectfree.c, src/objectget.c, src/objectgetbyindex.c,
src/objectgetisr.c, src/objectgetnext.c, src/objectgetnoprotection.c,
src/objectidtoname.c, src/objectinitializeinformation.c,
src/objectmp.c, src/objectnametoid.c, src/objectshrinkinformation.c,
src/thread.c, src/threadchangepriority.c, src/threadclearstate.c,
src/threadclose.c, src/threadcreateidle.c, src/threaddelayended.c,
src/threaddispatch.c, src/threadevaluatemode.c, src/threadget.c,
src/threadhandler.c, src/threadidlebody.c, src/threadinitialize.c,
src/threadloadenv.c, src/threadmp.c, src/threadq.c,
src/threadqdequeue.c, src/threadqdequeuefifo.c,
src/threadqdequeuepriority.c, src/threadqenqueue.c,
src/threadqenqueuefifo.c, src/threadqenqueuepriority.c,
src/threadqextract.c, src/threadqextractfifo.c,
src/threadqextractpriority.c, src/threadqextractwithproxy.c,
src/threadqfirst.c, src/threadqfirstfifo.c,
src/threadqfirstpriority.c, src/threadqflush.c, src/threadqtimeout.c,
src/threadready.c, src/threadreset.c, src/threadresettimeslice.c,
src/threadrestart.c, src/threadresume.c, src/threadrotatequeue.c,
src/threadsetpriority.c, src/threadsetstate.c,
src/threadsettransient.c, src/threadstackallocate.c,
src/threadstackfree.c, src/threadstart.c,
src/threadstartmultitasking.c, src/threadsuspend.c,
src/threadtickletimeslice.c, src/threadyieldprocessor.c,
src/userext.c, src/watchdog.c, src/watchdogadjust.c,
src/watchdoginsert.c, src/watchdogremove.c, src/watchdogtickle.c,
src/wkspace.c: URL for license changed.
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of switching to the modified GNU GPL.
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to be able to build a system without requiring printf.
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Thread_Close fixed to avoid returning FP context area when one was not
allocated at initialization time.
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Configuration Table Template file added and all tests
modified to use this. All gvar.h and conftbl.h files
removed from test directories.
Configuration parameter maximum_devices added.
Core semaphore and mutex handlers added and RTEMS API Semaphore
Manager updated to reflect this.
Initialization sequence changed to invoke API specific initialization
routines. Initialization tasks table now owned by RTEMS Tasks Manager.
Added user extension for post-switch.
Utilized user extensions to implement API specific functionality
like signal dispatching.
Added extensions to the System Initialization Thread so that an
API can register a function to be invoked while the system
is being initialized. These are largely equivalent to the
pre-driver and post-driver hooks.
Added the Modules file oar-go32_p5, modified oar-go32, and modified
the file make/custom/go32.cfg to look at an environment varable which
determines what CPU model is being used.
All BSPs updated to reflect named devices and clock driver's IOCTL
used by the Shared Memory Driver. Also merged clock isr into
main file and removed ckisr.c where possible.
Updated spsize to reflect new and moved variables.
Makefiles for the executive source and include files updated to show
break down of files into Core, RTEMS API, and Neither.
Header and inline files installed into subdirectory based on whether
logically in the Core or a part of the RTEMS API.
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