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Update #3254.
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This change starts with removing the effectively empty file
timerdrv.h. The prototypes for benchmark_timer_XXX() were in
btimer.h which was not universally used. Thus every use of
timerdrv.h had to be changed to btimer.h. Then the prototypes
for benchmark_timer_read() had to be adjusted to return
benchmark_timer_t rather than int or uint32_t.
I took this opportunity to also correct the file headers to
separate the copyright from the file description comments which
is needed to ensure the copyright isn't propagated into Doxygen
output.
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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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* sh7032/timer/timer.c, sh7045/timer/timer.c, sh7750/timer/timer.c:
Rename timer driver methods to follow RTEMS programming conventions.
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* sh7032/clock/ckinit.c, sh7032/delay/delay.c, sh7032/timer/timer.c,
sh7045/clock/ckinit.c, sh7045/timer/timer.c, sh7750/clock/ckinit.c,
sh7750/timer/timer.c: Eliminate the clicks_per_microsecond field in
the SuperH CPU Table and define another mechanism for drivers to
obtain this information.
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PR 1257/bsps
* sh7032/score/cpu_asm.c, sh7032/timer/timer.c, sh7045/score/cpu_asm.c,
sh7045/timer/timer.c, sh7750/score/cpu_asm.c, sh7750/timer/timer.c:
Code outside of cpukit should use the public API for
rtems_interrupt_disable/rtems_interrupt_enable. By bypassing the
public API and directly accessing _CPU_ISR_Disable and
_CPU_ISR_Enable, they were bypassing the compiler memory barrier
directive which could lead to problems. This patch also changes the
type of the variable passed into these routines and addresses minor
style issues.
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* sh7032/clock/ckinit.c, sh7032/delay/delay.c,
sh7032/include/ispsh7032.h, sh7032/sci/sci.c,
sh7032/score/cpu_asm.c, sh7032/timer/timer.c, sh7045/clock/ckinit.c,
sh7045/include/ispsh7045.h, sh7045/sci/sci.c,
sh7045/sci/sci_termios.c, sh7045/score/cpu_asm.c,
sh7045/timer/timer.c, sh7750/clock/ckinit.c,
sh7750/include/rtems/score/ispsh7750.h, sh7750/include/sh/sh4uart.h,
sh7750/sci/sh4uart.c, sh7750/score/cpu_asm.c,
sh7750/score/ispsh7750.c, sh7750/timer/timer.c: Convert to using c99
fixed size types.
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* clock/ckinit.c, delay/delay.c, include/iosh7032.h,
include/ispsh7032.h, include/sci.h, include/sh7_pfc.h,
include/sh7_sci.h, sci/sci.c, score/cpu_asm.c, score/ispsh7032.c,
timer/timer.c: URL for license changed.
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* clock/ckinit.c, delay/delay.c, include/iosh7032.h,
include/ispsh7032.h, include/sci.h, include/sh7_pfc.h,
include/sh7_sci.h, sci/sci.c, score/cpu_asm.c, score/ispsh7032.c,
timer/timer.c: Fixed typo.
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Ralf Corsepius <corsepiu@faw.uni-ulm.de> that adds initial Hitachi SH-2
support to RTEMS. Ralf's comments are:
Changes:
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1. SH-Port:
* Many files renamed.
* CONSOLE_DEVNAME and MHZ defines removed from libcpu.
* console.c moved to libbsp/sh/shared, build in libbsp/sh/<BSP>/console
applying VPATH.
* CONSOLE_DEVNAME made BSP-specific, replacement is defined in bsp.h
* MHZ define replaced with HZ (extendent resolution) in custom/*.cfg
* -DHZ=HZ used in bspstart.c, only
* Makefile variable HZ used in bsp-dependent directories only.
2. SH1-Port
* clock-driver rewritten to provide better resolution for odd CPU
frequencies. This driver is only partially tested on hardware, ie.
sightly experimental, but I don't expect severe problems with it.
* Polling SCI-driver added. This driver is experimental and completly
untested yet. Therefore it is not yet used for the console (/dev/console
is still pointing to /dev/null, cf. gensh1/bsp.h).
* minor changes to the timer driver
* SH1 specific delay()/CPU_delay() now is implemented as a function
3. SH2-Port
* Merged
* IMO, the code is still in its infancy. Therefore I have interspersed
comments (FIXME) it for items which I think John should look after.
* sci and console drivers partially rewritten and extended (John, I hope
you don't mind).
* Copyright notices are not yet adapted
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particular, using bsp.h, or getting information from the BSP which
should properly be obtained from RTEMS is forbidden. This is
necessary to strengthen the division between the BSP independent
parts of RTEMS and the BSPs themselves. This started after
comments and analysis by Ralf Corsepius <corsepiu@faw.uni-ulm.de>.
The changes primarily eliminated the need to include bsp.h and
peeking at BSP_Configuration. The use of Cpu_table in each
BSP needs to be eliminated.
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Please find enclosed a patch which enables me to build the bare-bsp for
sh-rtems.
Changes:
1. Add preinstall to libbsp/bare/include/Makefile.in
2. Removed FORCEIT, add preinstall to
libbsp/sh/gensh1/include/Makefile.in
3. Disabled support of set_vector from sh code (shared/setvec.c is still
present but isn't used anymore), set_vector replaced with standard rtems
functions.
Problems still present:
1. Support of spin-delays in bare bsp
2. Proper support of cpu frequency
To configure I used:
<srcdir>/configure \
--target=sh-rtems \
--prefix=<instdir>/sh-bare \
--enable-bare-cpu-model=sh7032 \
--enable-bare-cpu-cflags='-Wall -m1 -DMHZ=20
-DCPU_CONSOLE_DEVNAME="\"/dev/null\""'
--enable-rtemsbsp=bare \
--disable-networking \
--disable-cxx \
--disable-posix \
--disable-tests
IMO, if there are no objections to this patch, a similar approach should
be applied to all CPUs/BSPs (esp. hppa1.1, mips64orion, ppc403, because
they apply set_vector inside of libcpu).
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