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Use thread local variable instead of task variable.
Update #2494.
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Notepads where a feature of RTEMS' tasks that simply functioned in
the same way as POSIX keys or threaded local storage (TLS). They were
introduced well before per task variables, which are also deprecated,
and were barely used in favor of their POSIX alternatives.
In addition to their scarce usage, Notepads took up unnecessary memory.
For each task:
- 16 32-bit integers were allocated.
- A total of 64 bytes per task per thread.
This is especially critical in low memory and safety-critical applications.
They are also defined as uint32_t, and therefore are not guaranteed to
hold a pointer.
Lastly, they are not portable solutions for SMP and uniprocessor systems,
like POSIX keys and TLS.
updates #2493.
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Drop the <rtems/score/percpu.h> include since this file exposes a lot of
implementation details.
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updated #2306.
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The Data Access Register (DAR) is not saved in the exception prologue.
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Script does what is expected and tries to do it as
smartly as possible.
+ remove occurrences of two blank comment lines
next to each other after Id string line removed.
+ remove entire comment blocks which only exited to
contain CVS Ids
+ If the processing left a blank line at the top of
a file, it was removed.
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* Makefile.am, README.booting, include/bsp.h, startup/bspclean.c,
vectors/exceptionhandler.c: Use standardized bsp_cleanup() which can
optionally print a message, poll for user to press key, and call
bsp_reset(). Using this eliminates the various bsp_cleanup()
implementations which had their own implementation and variety of
string constants.
* startup/bspreset.c: New file.
* startup/reboot.c: Removed.
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* ep1a/vme/vmeconfig.c, mvme5500/pci/pcifinddevice.c,
* mvme5500/startup/pgtbl_activate.c, mvme5500/vectors/bspException.h,
* mvme5500/vectors/exceptionhandler.c, mvme5500/vme/VME.h,
* mvme5500/vme/vmeconfig.c, score603e/vme/vmeconfig.c, shared/pci/pcifinddevice.c,
* shared/startup/pgtbl_activate.c, shared/startup/pgtbl_setup.c,
* shared/startup/probeMemEnd.c, shared/startup/sbrk.c, shared/vme/VME.h,
* shared/vme/VMEConfig.h, shared/vme/vme_universe.c, shared/vme/vmeconfig.c:
Added SLAC/Stanford Authorship Note / Copyright + Liability Disclaimer.
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* start/preload.S, include/bsp.h, vectors/exceptionhandler.c,
startup/bspstart.c: Misc. adaptations to rtems-4.7.
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* README, configure.ac, GT64260/Makefile.am, include/bsp.h,
irq/Makefile.am, irq/irq.c, irq/irq.h, irq/irq_init.c,
network/GT64260ethreg.h, pci/pci.c, startup/bspstart.c: CVS Id string
and license corrected.
* GT64260/Makefile.in, clock/Makefile.in, console/Makefile.in,
include/Makefile.am, include/Makefile.in, irq/Makefile.in,
network/Makefile.in, pci/Makefile.in, start/Makefile.in,
startup/Makefile.in, vectors/Makefile.in, vme/Makefile.in,
wrapup/Makefile.in: Removed.
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