| Commit message (Collapse) | Author | Age |
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Conflicts:
Makefile
bin/rt_launch.c
bin/rtspin.c
src/task.c
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Minor changes to test case code to enable compilation
with 'gcc -O2' (gcc v4.7.2).
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This adds the uncache test tool (bin/uncache.c). The tool
can be used to test Litmus's char device driver for allocating
uncacheable CPU memory. The tool runs various checks and
gathers basic cache vs. main memory statistics.
In the future, uncache could be extended to quantify the
benefits of the L1, L2, and L3 caches, instead of treating
them as a black box.
Note: Uncache works best when compiled with '-O2'. While '-O2'
has not been added to the Makefile, other code was updated (code
in tests/ and rtspin), to compile with -O2.
DEPENDS UPON LITMUS-RT PATCH 888d097deb6d1fdc0c89a4f9667fd81cf416cfc7.
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Conflicts:
Makefile
bin/rtspin.c
include/litmus.h
src/litmus.c
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Branch litmus-rt/prop/robust-tie-break added fpmath.h for fixed-point
computations. Updated Makefile to pull this header from litmus-rt
so it may also be used in liblitmus.
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Resuming higher-priority tasks should of course preempt lower-priority
tasks. This test case infers if higher-priority tasks are unreasonably
delayed.
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Updated APIs to support arbitrary deadlines. Added macros for implicit
deadlines.
Note: Had to tweak Makefile to support gcc version >= 4.6 (moved -lrt to the
end of the link command).
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Conflicts:
Makefile
src/syscalls.c
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Conflicts:
Makefile
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Add support for handling Litmus-specific signals. Includes
framework try/catch-style handling of signals.
SIG_BUDGET is the only Litmus signal at the moment.
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Conflicts:
Makefile
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Branch litmus-rt/prop/robust-tie-break added fpmath.h for fixed-point
computations. Updated Makefile to pull this header from litmus-rt
so it may also be used in liblitmus.
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This is not the 2010 version anymore, so let's use a version-agnostic
path.
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The ARM port uses <litmus... instead of "litmus..., so let's use egrep
with a proper regular expression to reliably find the line that includes
the Litmus system calls.
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It should be possible to see the help when the configuration is broken.
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Some initial documentation to aid new users get started with compiling
the library.
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cscope is very nice for exploring the library and finding related
code. Let's support it by pre-building an index of all files.
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It's nice to have a TAGS file around when exploring the library. Let's
generate one for vim and emacs.
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We avoid doing the same thing over and over in all repositories using
liblitmus if we just pull in common rules & configurations from
liblitmus. This gives us the ability to cross-compile for free.
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Failing loudly is a lot better than just producing a cryptic error
message about some dependency file.
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Move the architecture-dependent code to the arch/ subtree.
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The kernel warns against including header files directly. For good
reason: our previous approach (just -I$KERNEL/include) caused all
kinds of files to be included that should have come from /usr/include
instead.
This patch rewrites the Makfile so that the (few) needed headers are
copied into the liblitmus src tree before compiling the library. This
avoids having to specify the kernel include directories with -I, and
also makes it easier to link against liblitmus (external applications
do not need to know where the kernel is).
Finally, this allows us to enable -Werror.
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We originally switched from make to scons because
1) our makefiles were not very good;
2) SCons promised to make maintaining the build system simpler.
Unfortunately, SCons has become more and more difficult to deal with
as we moved to supporting several architecture and cross compilation,
to the extend that we ended up re-creating make functionality in SCons.
So let's switch back to make using a "clean" Makefile.
Thanks a lot to Andrea Bastoni and Chris Kenna for feedback on
previous iterations of these patches.
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- add all-32, all-64 targets in Makefile (cross compilation for x86)
- update SConstruct kernel search path
- add architecture dependent include dirs in search path
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Conflicts:
Makefile
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