| Commit message (Collapse) | Author | Age | Files | Lines |
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* Per PR94, all rtems/score/CPUtypes.h are named rtems/score/types.h.
* rtems/score/i386types.h: Removed.
* rtems/score/types.h: New file via CVS magic.
* Makefile.am, rtems/score/cpu.h: Account for name change.
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* configure.ac:
AC_INIT(package,_RTEMS_VERSION,_RTEMS_BUGS).
AM_INIT_AUTOMAKE([no-define foreign 1.6]).
* Makefile.am: Remove AUTOMAKE_OPTIONS.
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* rtems/Makefile.am, rtems/score/Makefile.am: Removed again.
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* rtems/Makefile.am: Removed.
* rtems/score/Makefile.am: Removed.
* configure.ac: Reflect changes above.
* Makefile.am: Reflect changes above.
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* Makefile.am: Corrected so .h files from rtems/score/ are installed.
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* cpu.c: Include rtems/bspIo.h instead of bspIo.h.
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* Makefile.am: Add multilib support.
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This was tracked as PR91.
* rtems/score/cpu.h: Added CPU_PROVIDES_ISR_IS_IN_PROGRESS macro which
is used to specify if the port uses the standard macro for this (FALSE).
A TRUE setting indicates the port provides its own implementation.
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* .cvsignore: Add autom4te.cache for autoconf > 2.52.
* configure.in: Remove.
* configure.ac: New file, generated from configure.in by autoupdate.
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* rtems/score/Makefile.am: Use 'PREINSTALL_FILES ='.
* Makefile.am: Use 'PREINSTALL_FILES ='.
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* Makefile.am, rtems/score/Makefile.am:
Apply include_*HEADERS instead of H_FILES.
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* ChangeLog: Removed duplicate entry.
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* rtems/score/cpu.h: Added _CPU_Initialize_vectors().
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* rtems/score/cpu.h: Added _CPU_Initialize_vectors().
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* Makefile.am: Use ... instead of RTEMS_TOPdir in ACLOCAL_AMFLAGS.
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* Makefile.am: Switch to ACLOCAL_AMFLAGS = -I $(RTEMS_TOPdir)/aclocal.
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* Makefile.am: ACLOCAL_AMFLAGS= -I $(RTEMS_TOPdir)/macros.
Switch to GNU canonicalization.
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* rtems/score/i386.h: Corrected "#elsif" to be "#elif".
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* Makefile.am: Include compile.am.
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* rtems/score/i386.h: cpu-variant define handling
Rewrite due to introduction of multilib defines.
* asm.h: include cpuopts.h instead of targopts.h
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a BSP (c4xsim) supporting the simulator included with gdb. This port
was done by Joel Sherrill and Jennifer Averett of OAR Corporation.
Also included with this port is a space/time optimization to eliminate
FP context switch management on CPUs without hardware or software FP.
An issue with this port was that sizeof(unsigned32) = sizeof(unsigned8)
on this CPU. This required addressing alignment checks and assumptions
as well as fixing code that assumed sizeof(unsigned32) == 4.
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now is an implementation of the prototypes in rtems/rtems/cache.h.
The libcpu/i386/wrapup directory is no longer needed.
The PowerPC needs this done to it.
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<charles.gauthier@iit.nrc.ca>, and Darlene A. Stewart
<Darlene.Stewart@nrc.ca> to add support for a number of very
significant things:
+ BSPs for many variations on the Motorola MBX8xx board series
+ Cache Manager including initial support for m68040
and PowerPC
+ Rework of mpc8xx libcpu code so all mpc8xx CPUs now use
same code base.
+ Rework of eth_comm BSP to utiltize above.
John reports this works on the 821 and 860
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adds .cvsignore.
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Ralf Corsepius <corsepiu@faw.uni-ulm.de> that contain:
* Modifications, (minor) corrections, cleanups to most existing
Makefile.ams
* Adds automake support to all remaining BSPs which have not yet been
converted to automake.
* Makefile.am for all remaining wrapup/Makefile.ams
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pc686.cfg was not present.
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<corsepiu@faw.uni-ulm.de> which implements automake support for some
score/cpu/<RTEMS_CPU> subdirectories and fixes a few minor configuration
bugs.
To apply:
rm -rf c/src/exec/score/cpu/a29k/wrap
rm -rf c/src/exec/score/cpu/hppa1.1/wrap
rm -rf c/src/exec/score/cpu/i386/wrap
rm -rf c/src/exec/score/cpu/mips64orion/wrap
rm -rf c/src/exec/score/cpu/no_cpu/wrap
patch -p1 < rtems-rc-19991123-rc-2.diff.gz
Notes:
* I don't see a possiblity to convert the powerpc subdirectory in its
current layout to automake the time being.
* Besides the fact that this subdirectory is not in single-tree building
layout, the actual showstopper is the ifeq $(RTEMS_CPU_MODEL),mpc750)
gmake-conditional in powerpc/Makefile.in, which automake (correctly)
refuses to handle.
* The problem is *not* specific to the powerpc. Other CPUs basically
have similar problems (SH:sh7032 vs sh7045, SPARC: erc32.h in
score/cpu/sparc), but have been lucky to get around real issues (cf.
configuration files below score/cpu/sh/).
* From a configuration focused POV this problem boils down to a
file/subdirectory selection problem:
ppc: 1 or others
sh: 1 out of 2
sparc: 1 out of 1
Automake's means to implement such behavior is using conditionals to be
evaluated at configuration-time. The old configuration scheme however
used make-time conditionals. The SH port was lucky to get around this
issue because it applies a selection from a limited set of possible
selections, the powerpc however applies a selection from an unlimited
set, based on data not being available at configuration time.
* Currently I only see two general solutions:
1) make RTEMS_CPU_MODEL available at configuration time, ie. replace
make-time configuration by configuration-time configuration
2) Perform the selection at build-time, i.e. always install all files,
but use #ifdef #else #endif in source files. This is what the m68k has
exploited at other locations inside of the source-tree.
=> This directory is the last one remaining not using automake below the
whole exec/ hierarchy.
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unnecessarily uses any variables defined by the BSP. On this
sweep, use of BSP_Configuration and Cpu_table was eliminated.
A significant part of this modification was the addition of
macros to access fields in the RTEMS configuration structures.
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>.
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and not likely to become so. Comments on each configuration
are below.
+ Force CPU386 - This BSP was developed as part of the initial
port of RTEMS to the i386. This board has been unavailable
for a long time now.
+ GO32 - This BSP and some CPU code supported djgpp v1.x. This
version is now quite old. No one has stepped forward to
update the code to v2.x which may be technically impossible
anyway. More importantly, go32 has been superceded by the pc386 BSP.
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to correct a typo CPU_HAS_OWN_HOST_TO_NETWORK_ROUTINES was actually
typed in as CPU_CPU_HAS_OWN_HOST_TO_NETWORK_ROUTINES.
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on a fatal exception.
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> 4) rtems-rc-19990202-0.diff /reorg-score-cpu.sh
>
> reorg-score-cpu.sh reorganizes the cpu/<cpu>/* subdirectories in a
> similar manner than previous reorg scripts did. rtems-rc-19990202-0.diff
> contains the diffs after reorg-score-cpu.sh has been run on a
> rtems-19981215 snapshot + my patches up to rtems-rc-19990131-2.diff.
>
> This patch is rather nasty and may break something. However, I've tested
> it for about 10 different target/bsp pairs and believe to have shaken
> out most bugs.
I wonder about the following .h files that were not moved:
a29k/asm.h
a29k/cpu_asm.h
i386/asm.h
i960/asm.h
m68k/asm.h
m68k/m68302.h
m68k/m68360.h
m68k/qsm.h
m68k/sim.h
mips64orion/asm.h
mips64orion/cpu_asm.h
mips64orion/mips64orion.h
no_cpu/asm.h
no_cpu/cpu_asm.h
powerpc/asm.h
powerpc/mpc860.h
sh/asm.h
sparc/asm.h
sparc/erc32.h
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You will find enclosed a patch which contains, for Intel PC386 target :
- an Ethernet driver for DEC21140 device based boards.
- a simple cache management with paging mechanism.
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.s files to .S in conformance with GNU conventions. This is a
minor step along the way to supporting automake.
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Eric> NB : there is still a bug on PC386 serial line : exit does not
Eric> flush the remaining output queue. As this is not a bug in the
Eric> driver itself but somewhere in PC386 initialization/termios
Eric> relationship it will be part of another patch.
Eric> NB2 : As Emmanuel excerced the exception hanlder code, while
Eric> porting the SMC driver to the new BSD stack, we found a bug
Eric> in the exception handler : it shall not delete the current
Eric> thread in case we are running at interrupt level. This will
Eric> be part of another patch...
So here is the patch. This patch fixes the two problems mentionned above
+ it use vpath mechanism intead of copying the irq related files in
the right directory. This avoid to compile them each time and is
more homogenous with other Makefiles.
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Here is a patch that enables to catch exception
and get message before crashing RTEMS :)
It should be generic to any Intel port although enabled
only for pc386 BSP...
[Joel] I fixed the bug I introduced in irq_asm.s...
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- Use the "hlt" instruction for the Idle thread,
- Optimise interrupt PATH leadding to thread wakeup,
- Preparation for Intel exception management that should
come before the end of the week...
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Enabled on the pc386.
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Here is a enhanced version of my previous patch. This patch enables
to potentially share the new interrupt management code for all Intel targets
(pc386, go32 and force386) bsp.
Note : this patch is complete only for pc386. It still needs to
be completed for go32 and force386. I carrefully checked
that anything needed is in for force386 (only some function
name changes for IDT manipulation and GDT segment
manipulation). But anyway I will not be able to test any
of theses targets...
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