gem5.git
16 years agoAdded tag m5_2.0_beta6 for changeset d8b246a665c1
Gabe Black [Thu, 9 Oct 2008 06:20:16 +0000 (02:20 -0400)]
Added tag m5_2.0_beta6 for changeset d8b246a665c1

16 years agoScons: Update compare_versions() to ignore trailing charecters after an int. This... m5_2.0_beta6
Ali Saidi [Wed, 8 Oct 2008 22:34:19 +0000 (18:34 -0400)]
Scons: Update compare_versions() to ignore trailing charecters after an int. This is a fix for a mysql version number that includes a (E.g. 5.0.51a)

16 years agoUpdate the README and RELEASE_NOTES files to prepare for beta 6.
Gabe Black [Tue, 7 Oct 2008 04:53:25 +0000 (00:53 -0400)]
Update the README and RELEASE_NOTES files to prepare for beta 6.

16 years agopython: cleanup options parsing stuff so that it properly deals with defaults.
Nathan Binkert [Mon, 6 Oct 2008 16:31:51 +0000 (09:31 -0700)]
python: cleanup options parsing stuff so that it properly deals with defaults.
While we're at it, make it possible to run main.py in a somewhat
standalone mode again so that we can test things without compiling.

16 years agofix shadow set bugs in MIPS code that caused out of bounds access...
Korey Sewell [Mon, 6 Oct 2008 06:07:04 +0000 (02:07 -0400)]
fix shadow set bugs in MIPS code that caused out of bounds access...
panic rdpgpr/wrpgpr instructions until a better impl.
of MIPS shadow sets is available.

16 years agounittest: Add unit tests to the scons framework.
Nathan Binkert [Thu, 2 Oct 2008 18:27:01 +0000 (11:27 -0700)]
unittest: Add unit tests to the scons framework.
Also fix the unit tests so they actually compile correctly.

16 years agounittest: Cleanup unit tests. Follow style. Garbage Collect.
Nathan Binkert [Thu, 2 Oct 2008 18:26:59 +0000 (11:26 -0700)]
unittest: Cleanup unit tests.  Follow style.  Garbage Collect.

--HG--
rename : src/unittest/rangemaptest2.cc => src/unittest/rangemultimaptest.cc

16 years agostats: Fix small bug pointed out by unit testing.
Nathan Binkert [Thu, 2 Oct 2008 18:26:59 +0000 (11:26 -0700)]
stats: Fix small bug pointed out by unit testing.

16 years agoOutput: Verify output files are open after opening them.
Ali Saidi [Thu, 2 Oct 2008 16:46:57 +0000 (12:46 -0400)]
Output: Verify output files are open after opening them.

16 years agoCleanup m5term changes with Nate's comments.
Ali Saidi [Wed, 1 Oct 2008 20:37:49 +0000 (16:37 -0400)]
Cleanup m5term changes with Nate's comments.

16 years agoMake m5term use select() so OS X is happy.
Ali Saidi [Wed, 1 Oct 2008 20:27:52 +0000 (16:27 -0400)]
Make m5term use select() so OS X is happy.

16 years agoMake overriding port assignments in Python work,
Steve Reinhardt [Tue, 30 Sep 2008 06:30:14 +0000 (23:30 -0700)]
Make overriding port assignments in Python work,
and print better error messages when it doesn't.

16 years agoFix EVENTQ_DEBUG vs DEBUG_EVENTQ #define inconsistency.
Steve Reinhardt [Tue, 30 Sep 2008 06:30:14 +0000 (23:30 -0700)]
Fix EVENTQ_DEBUG vs DEBUG_EVENTQ #define inconsistency.

16 years agoalpha: Need to include cstring so that g++ 4.3 works.
Nathan Binkert [Mon, 29 Sep 2008 14:15:30 +0000 (07:15 -0700)]
alpha: Need to include cstring so that g++ 4.3 works.

16 years agotests: Update all tests for small outstanding changes.
Nathan Binkert [Sun, 28 Sep 2008 21:16:26 +0000 (14:16 -0700)]
tests: Update all tests for small outstanding changes.
Little differences have accumulated over time and it's worth getting things
back in sync for the stable release.

16 years agotests: rename the terminal files for solaris.
Nathan Binkert [Sun, 28 Sep 2008 21:16:24 +0000 (14:16 -0700)]
tests: rename the terminal files for solaris.
I forgot to do this when I renamed everything else.

--HG--
rename : tests/long/80.solaris-boot/ref/sparc/solaris/t1000-simple-atomic/console.system.t1000.hconsole => tests/long/80.solaris-boot/ref/sparc/solaris/t1000-simple-atomic/system.t1000.hterm
rename : tests/long/80.solaris-boot/ref/sparc/solaris/t1000-simple-atomic/console.system.t1000.pconsole => tests/long/80.solaris-boot/ref/sparc/solaris/t1000-simple-atomic/system.t1000.pterm

16 years agotests: perlbmk now works. Commit stats and assume the're right.
Nathan Binkert [Sun, 28 Sep 2008 21:15:50 +0000 (14:15 -0700)]
tests: perlbmk now works.  Commit stats and assume the're right.
Kevin fixed how O3 handles syscalls that change NextPC (longjump).

16 years agotests: Kevin fixed how writebacks are handled in SMT and that changed stats.
Nathan Binkert [Sun, 28 Sep 2008 21:15:37 +0000 (14:15 -0700)]
tests: Kevin fixed how writebacks are handled in SMT and that changed stats.

16 years agogcc: Version 4.3 adds some warnings that we're turning off.
Nathan Binkert [Sun, 28 Sep 2008 04:03:50 +0000 (21:03 -0700)]
gcc: Version 4.3 adds some warnings that we're turning off.
We just can't deal with right now.

16 years agogcc: Add extra parens to quell warnings.
Nathan Binkert [Sun, 28 Sep 2008 04:03:49 +0000 (21:03 -0700)]
gcc: Add extra parens to quell warnings.
Even though we're not incorrect about operator precedence, let's add
some parens in some particularly confusing places to placate GCC 4.3
so that we don't have to turn the warning off.  Agreed that this is a
bit of a pain for those users who get the order of operations correct,
but it is likely to prevent bugs in certain cases.

16 years agostyle: Make a style pass over the whole arch/alpha directory.
Nathan Binkert [Sun, 28 Sep 2008 04:03:48 +0000 (21:03 -0700)]
style: Make a style pass over the whole arch/alpha directory.

16 years agoalpha: Clean up namespace usage.
Nathan Binkert [Sun, 28 Sep 2008 04:03:47 +0000 (21:03 -0700)]
alpha: Clean up namespace usage.

16 years agoarch: TheISA shouldn't really ever be used in the arch directory.
Nathan Binkert [Sun, 28 Sep 2008 04:03:46 +0000 (21:03 -0700)]
arch: TheISA shouldn't really ever be used in the arch directory.
We should always refer to the specific ISA in that arch directory.
This is especially necessary if we're ever going to make it to the
point where we actually have heterogeneous systems.

16 years agoalpha: Get rid fo the namespace called EV5.
Nathan Binkert [Sun, 28 Sep 2008 04:03:45 +0000 (21:03 -0700)]
alpha: Get rid fo the namespace called EV5.
We're never going to do an alpha platform other than the one we've got.

16 years agostyle
Nathan Binkert [Sat, 27 Sep 2008 14:25:04 +0000 (07:25 -0700)]
style

16 years agoadd a bit of style
Nathan Binkert [Sat, 27 Sep 2008 07:15:45 +0000 (00:15 -0700)]
add a bit of style

16 years agostyle: missed space after switch
Nathan Binkert [Fri, 26 Sep 2008 16:37:21 +0000 (09:37 -0700)]
style: missed space after switch

16 years agoWhen nesting if statements, use braces to avoid ambiguous else clauses.
Nathan Binkert [Fri, 26 Sep 2008 15:18:57 +0000 (08:18 -0700)]
When nesting if statements, use braces to avoid ambiguous else clauses.

16 years agoUse logical operator instead of bitwise operator for correctness.
Nathan Binkert [Fri, 26 Sep 2008 15:18:56 +0000 (08:18 -0700)]
Use logical operator instead of bitwise operator for correctness.

16 years agostyle: bring this file into M5 style, use the new pte translate function.
Nathan Binkert [Fri, 26 Sep 2008 15:18:55 +0000 (08:18 -0700)]
style: bring this file into M5 style, use the new pte translate function.

16 years agoscons: disable several gcc warnings for swig autogenerated wrapper code.
Nathan Binkert [Fri, 26 Sep 2008 15:18:54 +0000 (08:18 -0700)]
scons: disable several gcc warnings for swig autogenerated wrapper code.

16 years agostyle: These files didn't even come close to following the M5 style guide.
Nathan Binkert [Fri, 26 Sep 2008 15:18:53 +0000 (08:18 -0700)]
style: These files didn't even come close to following the M5 style guide.

16 years agoO3CPU: Fix thread writeback logic.
Kevin Lim [Fri, 26 Sep 2008 14:44:07 +0000 (07:44 -0700)]
O3CPU: Fix thread writeback logic.
Fix the logic in the LSQ that determines if there are any stores to
write back. In the commit stage, check for thread specific writebacks
instead of just any writeback.

16 years agoO3CPU: Add a hack to ensure that nextPC is set correctly after syscalls.
Kevin Lim [Fri, 26 Sep 2008 14:44:06 +0000 (07:44 -0700)]
O3CPU: Add a hack to ensure that nextPC is set correctly after syscalls.
Just check CPU's nextPC before and after syscall and if it changes,
update this instruction's nextPC because the syscall must have changed
the nextPC.

16 years agosparc: Fix style, create a helper function for translation.
Nathan Binkert [Wed, 24 Sep 2008 03:38:02 +0000 (20:38 -0700)]
sparc: Fix style, create a helper function for translation.
The translate function simplifies code and removes some compiler
warnings in gcc 3.4

16 years agoscons: Separate swig environment so we can have different flags.
Nathan Binkert [Mon, 22 Sep 2008 15:25:58 +0000 (08:25 -0700)]
scons: Separate swig environment so we can have different flags.
Swig code isn't quite perfect, so let's not turn on all of the warnings.

16 years agogcc: Version 4.3 is pretty anal about shadowing types, placate it.
Nathan Binkert [Mon, 22 Sep 2008 15:25:57 +0000 (08:25 -0700)]
gcc: Version 4.3 is pretty anal about shadowing types, placate it.
In the future, it would be nice to put the O3CPU into its own
namespace so that we don't end up hardcoding pointers to the global
namespace.

16 years agostyle
Nathan Binkert [Mon, 22 Sep 2008 15:21:47 +0000 (08:21 -0700)]
style

16 years agoSCons: Update compare_versions() to ignore trailing charecters in versions.
Ali Saidi [Mon, 22 Sep 2008 03:56:01 +0000 (23:56 -0400)]
SCons: Update compare_versions() to ignore trailing charecters in versions.

16 years agoWe're searching for g++ incorrectly
Nathan Binkert [Fri, 19 Sep 2008 16:42:55 +0000 (09:42 -0700)]
We're searching for g++ incorrectly

16 years agoWe're using the static keyword improperly in some cases.
Nathan Binkert [Fri, 19 Sep 2008 16:42:54 +0000 (09:42 -0700)]
We're using the static keyword improperly in some cases.

16 years agoatomicio: provide atomic read and write functions.
Nathan Binkert [Fri, 19 Sep 2008 16:42:31 +0000 (09:42 -0700)]
atomicio: provide atomic read and write functions.

These functions keep trying to read and write until all data has been
transferred, or an error occurrs.  In the case where an end of file
hasn't been reached, but all of the bytes have not been read/written,
try again.  On EINTR, try again.

16 years agoUse C++ limits where applicable for portability
Nathan Binkert [Fri, 19 Sep 2008 16:11:43 +0000 (09:11 -0700)]
Use C++ limits where applicable for portability

16 years agoUse the proper version of C++ headers
Nathan Binkert [Fri, 19 Sep 2008 16:11:43 +0000 (09:11 -0700)]
Use the proper version of C++ headers

16 years agoCheck the return value of I/O operations for failure
Nathan Binkert [Fri, 19 Sep 2008 16:11:42 +0000 (09:11 -0700)]
Check the return value of I/O operations for failure

16 years agoinifile: Whack preprocessor access.
Nathan Binkert [Fri, 19 Sep 2008 16:11:40 +0000 (09:11 -0700)]
inifile: Whack preprocessor access.
We haven't used the preprocessor feature of the inifile stuff in a
very long time, so let's get rid of it since it would otherwise take
effort to maintain.

16 years agostyle: Remove non-leading tabs everywhere they shouldn't be. Developers should config...
Ali Saidi [Wed, 10 Sep 2008 18:26:15 +0000 (14:26 -0400)]
style: Remove non-leading tabs everywhere they shouldn't be. Developers should configure their editors to not insert tabs

16 years agostyle: this file did not conform to style
Nathan Binkert [Tue, 9 Sep 2008 23:27:17 +0000 (16:27 -0700)]
style: this file did not conform to style

16 years agostyle: This file hugely violated the M5 style.
Nathan Binkert [Tue, 9 Sep 2008 01:03:52 +0000 (18:03 -0700)]
style: This file hugely violated the M5 style.
Remove a bunch of unused cruft from the interface while we're at it

16 years agoX86: Fix the microcode for sign/zero extending moves that use high byte registers.
Gabe Black [Wed, 3 Sep 2008 04:52:54 +0000 (00:52 -0400)]
X86: Fix the microcode for sign/zero extending moves that use high byte registers.

16 years agoDevice: Fix bug in DmaPort::recvRetry. The interface attempts to send the same packet...
Clint Smullen [Tue, 26 Aug 2008 06:37:26 +0000 (02:37 -0400)]
Device: Fix bug in DmaPort::recvRetry. The interface attempts to send the same packet again.
It doesn't cause a problem currently, however with a different Memory Object it could cause
problems

16 years agoIGbE: Patches I neglected to apply before pushing the previous igbe changeset
Ali Saidi [Sun, 24 Aug 2008 19:27:49 +0000 (15:27 -0400)]
IGbE: Patches I neglected to apply before pushing the previous igbe changeset

16 years agoCPU: Get rid of two more duplicated CPU params.
Gabe Black [Wed, 20 Aug 2008 04:59:09 +0000 (21:59 -0700)]
CPU: Get rid of two more duplicated CPU params.

16 years agoChanged BaseCPU::ProfileEvent's interval member to be of type Tick. This was done...
Richard Strong [Mon, 18 Aug 2008 17:50:58 +0000 (10:50 -0700)]
Changed BaseCPU::ProfileEvent's interval member to be of type Tick. This was done to be consistent with its
python type of a latency.  In addition, the multiple definitions of profile in the different cpu models caused
problems for intialization of the interval value. If a child class's profile value was defined, the parent
BaseCPU::ProfileEvent interval field would be initialized with a garbage value. The fix was to remove the
multiple redifitions of profile in the child CPU classes.

16 years agoAdd the ability to specify a think time before descriptor fetch/writeback starts...
Ali Saidi [Wed, 13 Aug 2008 21:41:58 +0000 (17:41 -0400)]
Add the ability to specify a think time before descriptor fetch/writeback starts/ends as well as after read/write dmas

16 years agoAdd the ability for a DMA to tack on an extra delay after the DMA is actually finished.
Ali Saidi [Wed, 13 Aug 2008 21:41:56 +0000 (17:41 -0400)]
Add the ability for a DMA to tack on an extra delay after the DMA is actually finished.

16 years agoMore subtle fixes to how interrupts are supposed to work in the device. Fix postedInt...
Ali Saidi [Wed, 13 Aug 2008 20:30:30 +0000 (16:30 -0400)]
More subtle fixes to how interrupts are supposed to work in the device. Fix postedInterrupts statistics.

16 years agoReturn an UnimpFault for an ITB translation of an uncachable address. We don't suppor...
Ali Saidi [Wed, 13 Aug 2008 20:29:59 +0000 (16:29 -0400)]
Return an UnimpFault for an ITB translation of an uncachable address. We don't support fetching from uncached addresses in Alpha and it means that a speculative fetch can clobber device registers.

16 years agostyle
Nathan Binkert [Mon, 11 Aug 2008 21:47:49 +0000 (14:47 -0700)]
style

16 years agoparams: Get rid of the remnants of the old style parameter configuration stuff.
Nathan Binkert [Mon, 11 Aug 2008 19:22:17 +0000 (12:22 -0700)]
params: Get rid of the remnants of the old style parameter configuration stuff.

16 years agoparams: Convert the CPU objects to use the auto generated param structs.
Nathan Binkert [Mon, 11 Aug 2008 19:22:16 +0000 (12:22 -0700)]
params: Convert the CPU objects to use the auto generated param structs.
A whole bunch of stuff has been converted to use the new params stuff, but
the CPU wasn't one of them.  While we're at it, make some things a bit
more stylish. Most of the work was done by Gabe, I just cleaned stuff up
a bit more at the end.

16 years agoMake time format in 'started' line same as 'compiled'.
Steve Reinhardt [Mon, 4 Aug 2008 05:46:46 +0000 (01:46 -0400)]
Make time format in 'started' line same as 'compiled'.
Also make -B output consistent with normal header, and
only include actual build options.

16 years agoGet rid of outputStream... wasn't really being used
Steve Reinhardt [Mon, 4 Aug 2008 05:45:12 +0000 (01:45 -0400)]
Get rid of outputStream... wasn't really being used
(except for warn()) and new -r/-e options make it
not worth fixing.

16 years agoMinor fix for test/SConscript... forgot to 'qref' before 'qdel', argh.
Steve Reinhardt [Mon, 4 Aug 2008 05:01:35 +0000 (01:01 -0400)]
Minor fix for test/SConscript... forgot to 'qref' before 'qdel', argh.

16 years agoMake test/SConscript use new redirection options.
Steve Reinhardt [Mon, 4 Aug 2008 04:48:11 +0000 (00:48 -0400)]
Make test/SConscript use new redirection options.

16 years agoAdd -r/-e options to redirect stdout/stderr.
Steve Reinhardt [Mon, 4 Aug 2008 04:40:31 +0000 (00:40 -0400)]
Add -r/-e options to redirect stdout/stderr.
Better than using shell since it automatically uses -d directory
for output files (creating it as needed).

16 years agosockets: Add a function to disable all listening sockets.
Nathan Binkert [Mon, 4 Aug 2008 01:19:55 +0000 (18:19 -0700)]
sockets: Add a function to disable all listening sockets.
When invoking several copies of m5 on the same machine at the same
time, there can be a race for TCP ports for the terminal connections
or remote gdb.  Expose a function to disable those ports, and have the
regression scripts disable them.  There are some SimObjects that have
no other function than to be used with ports (NativeTrace and
EtherTap), so they will panic if the ports are disabled.

16 years agolibm5: Create a libm5 static library for embedding m5.
Nathan Binkert [Mon, 4 Aug 2008 01:19:54 +0000 (18:19 -0700)]
libm5: Create a libm5 static library for embedding m5.

This should allow m5 to be more easily embedded into other simulators.
The m5 binary adds a simple main function which then calls into the m5
libarary to start the simulation. In order to make this work
correctly, it was necessary embed python code directly into the
library instead of the zipfile hack.  This is because you can't just
append the zipfile to the end of a library the way you can a binary.
As a result, Python files that are part of the m5 simulator are now
compile, marshalled, compressed, and then inserted into the library's
data section with a certain symbol name.  Additionally, a new Importer
was needed to allow python to get at the embedded python code.

Small additional changes include:
- Get rid of the PYTHONHOME stuff since I don't think anyone ever used
it, and it just confuses things.  Easy enough to add back if I'm wrong.
- Create a few new functions that are key to initializing and running
the simulator: initSignals, initM5Python, m5Main.

The original code for creating libm5 was inspired by a patch Michael
Adler, though the code here was done by me.

16 years agosyscall: Avoid a compiler warning which turns into a bug.
Nathan Binkert [Mon, 4 Aug 2008 01:19:53 +0000 (18:19 -0700)]
syscall: Avoid a compiler warning which turns into a bug.
Simply cast the result to an int and life is good.

16 years agoMake default PhysicalMemory latency slightly more realistic.
Steve Reinhardt [Sun, 3 Aug 2008 22:13:29 +0000 (18:13 -0400)]
Make default PhysicalMemory latency slightly more realistic.
Also update stats to reflect change.

16 years agoX86: Make hint nops consume their modrm byte.
Gabe Black [Sun, 3 Aug 2008 21:43:24 +0000 (14:43 -0700)]
X86: Make hint nops consume their modrm byte.

16 years agokill unused code
Nathan Binkert [Sun, 3 Aug 2008 03:42:15 +0000 (20:42 -0700)]
kill unused code

16 years agoscons: Get rid of generate.py in the build system.
Nathan Binkert [Thu, 31 Jul 2008 15:01:38 +0000 (08:01 -0700)]
scons: Get rid of generate.py in the build system.
I decided that separating some of the scons code into generate.py was
just a bad idea because it caused the dependency system to get all
messed up.  If separation is the right way to go in the future, we
should probably use the sconscript mechanism, not the mechanism that I
just removed.

16 years agoregress: update regressions for tty emulation fix.
Nathan Binkert [Thu, 24 Jul 2008 23:31:54 +0000 (16:31 -0700)]
regress: update regressions for tty emulation fix.

16 years agosyscall: Fix TTY emulation in fstat() user-mode simulation for fd 1 (stdout).
Michael Adler [Thu, 24 Jul 2008 23:31:33 +0000 (16:31 -0700)]
syscall: Fix TTY emulation in fstat() user-mode simulation for fd 1 (stdout).
The code didn't set S_IFCHR in the st_mode

16 years agoprocess: separate stderr from stdout
Michael Adler [Wed, 23 Jul 2008 21:41:34 +0000 (14:41 -0700)]
process: separate stderr from stdout
- Add the option of redirecting stderr to a file. With the old
behaviour, stderr would follow stdout if stdout was to a file, but
stderr went to the host stderr if stdout went to the host stdout.  The
new default maintains stdout and stderr going to the host.  Now the
two can specify different files, but they will share a file descriptor
if the name of the files is the same.
- Add --output and --errout options to se.py to go with --input.

16 years agosyscalls: Add a bunch of missing system calls.
Michael Adler [Wed, 23 Jul 2008 21:41:33 +0000 (14:41 -0700)]
syscalls: Add a bunch of missing system calls.
readlink, umask, truncate, ftruncate, mkdir, and getcwd.

16 years agoRemoteGDB: add an m5 command line option for setting or disabling remote gdb.
Michael Adler [Wed, 23 Jul 2008 21:41:33 +0000 (14:41 -0700)]
RemoteGDB: add an m5 command line option for setting or disabling remote gdb.

16 years agotests: There's a small unknown stats difference in 20.parser, accept it.
Nathan Binkert [Tue, 22 Jul 2008 21:01:33 +0000 (17:01 -0400)]
tests: There's a small unknown stats difference in 20.parser, accept it.
Hopefully if the difference pops back up, we can figure out what it was

16 years agoMips was missing a few stats
Nathan Binkert [Tue, 22 Jul 2008 21:00:45 +0000 (17:00 -0400)]
Mips was missing a few stats

16 years agotests: update config.ini and stdout for the various tests.
Nathan Binkert [Tue, 22 Jul 2008 21:00:18 +0000 (17:00 -0400)]
tests: update config.ini and stdout for the various tests.
These files were a bit too out of date and resulted in a bit of confusion.

16 years agoGet rid of useless m5_assert macro.
Steve Reinhardt [Tue, 15 Jul 2008 18:38:51 +0000 (14:38 -0400)]
Get rid of useless m5_assert macro.
Its only purpose was to print the cycle number but that already
happens in the SIGABRT handler.  No one used it anyway.

16 years agoUse ReadResp instead of LoadLockedResp for LoadLockedReq responses.
Steve Reinhardt [Tue, 15 Jul 2008 18:38:51 +0000 (14:38 -0400)]
Use ReadResp instead of LoadLockedResp for LoadLockedReq responses.

16 years agoAdd missing newlines to Bus DPRINTFs.
Steve Reinhardt [Tue, 15 Jul 2008 18:38:51 +0000 (14:38 -0400)]
Add missing newlines to Bus DPRINTFs.

16 years agom5ops: clean up the m5ops stuff.
Nathan Binkert [Fri, 11 Jul 2008 15:52:50 +0000 (08:52 -0700)]
m5ops: clean up the m5ops stuff.
- insert warnings for deprecated m5ops
- reserve opcodes for Ali's stuff
- remove code for stuff that has been deprecated forever
- simplify m5op_alpha

16 years agostyle: fix indentation and formatting of the pseudo insts.
Nathan Binkert [Fri, 11 Jul 2008 15:52:50 +0000 (08:52 -0700)]
style: fix indentation and formatting of the pseudo insts.

16 years agoeventq: change the event datastructure back to LIFO.
Nathan Binkert [Fri, 11 Jul 2008 15:48:50 +0000 (08:48 -0700)]
eventq: change the event datastructure back to LIFO.

The status quo is preferred since it is less likely that people will
rely on LIFO than FIFO, and when we move to a parallelized M5, no
ordering between events of the same time/priority will be guaranteed.

16 years agoeventq: new eventq data structure. The new data structure is singly
Nathan Binkert [Fri, 11 Jul 2008 15:38:31 +0000 (08:38 -0700)]
eventq: new eventq data structure.  The new data structure is singly
linked list sorted by time and priority.  For things of the same time
and priority, a second, circularly linked list maintains the data
structure.  Events of the same time and priority are now inserted in
FIFO order instead of LIFO order.  This dramatically improves the
performance of systems that schedule multiple events at the same time.

The FIFO order version is not preferred to LIFO (because it may cause
people to rely on it), but I'm going to commit it anyway and
immediately commit the preferred LIFO version on top.

16 years agoeventq: Clean up the Event class so that it uses fewer bytes. This
Nathan Binkert [Fri, 11 Jul 2008 04:35:42 +0000 (21:35 -0700)]
eventq: Clean up the Event class so that it uses fewer bytes. This
will hopefullly allow it to fit in a cache line.

16 years agoFix cases where RADV interrupt timer is used and make ITR interrupt moderation not...
Ali Saidi [Tue, 1 Jul 2008 14:30:08 +0000 (10:30 -0400)]
Fix cases where RADV interrupt timer is used and make ITR interrupt moderation not always delay if no interrupts have been posted for the ITR value.

16 years agoRemove delVirtPort() and make getVirtPort() only return cached version.
Ali Saidi [Tue, 1 Jul 2008 14:25:07 +0000 (10:25 -0400)]
Remove delVirtPort() and make getVirtPort() only return cached version.

16 years agoChange everything to use the cached virtPort rather than created their own each time.
Ali Saidi [Tue, 1 Jul 2008 14:24:19 +0000 (10:24 -0400)]
Change everything to use the cached virtPort rather than created their own each time.
This appears to work, but I don't want to commit it until it gets tested a lot more.
I haven't deleted the functionality in this patch that will come later, but one question
is how to enforce encourage objects that call getVirtPort() to not cache the virtual port
since if the CPU changes out from under them it will be worse than useless. Perhaps a null
function like delVirtPort() is still useful in that case.

16 years agoMake the cached virtPort have a thread context so it can do everything that a newly...
Ali Saidi [Tue, 1 Jul 2008 14:24:16 +0000 (10:24 -0400)]
Make the cached virtPort have a thread context so it can do everything that a newly created one can.

16 years agoAfter a checkpoint (and thus a stats reset), the not_idle_fraction/notIdleFraction...
Ali Saidi [Tue, 1 Jul 2008 14:24:09 +0000 (10:24 -0400)]
After a checkpoint (and thus a stats reset), the not_idle_fraction/notIdleFraction statistic is really wrong.
The notIdleFraction statistic isn't updated when the statistics reset, probably because the cpu Status information
was pulled into the atomic and timing cpus. This changeset pulls Status back into the BaseSimpleCPU object. Anyone
care to comment on the odd naming of the Status instance? It shouldn't just be status because that is confusing
with Port::Status, but _status seems a bit strage too.

16 years agoAutomated merge after backout.
Steve Reinhardt [Sat, 28 Jun 2008 17:20:00 +0000 (13:20 -0400)]
Automated merge after backout.

16 years agoBacked out changeset 94a7bb476fca: caused memory leak.
Steve Reinhardt [Sat, 28 Jun 2008 17:19:38 +0000 (13:19 -0400)]
Backed out changeset 94a7bb476fca: caused memory leak.

16 years agoAutomated merge with http://repo.m5sim.org/m5-stable
Ali Saidi [Tue, 24 Jun 2008 19:51:12 +0000 (15:51 -0400)]
Automated merge with repo.m5sim.org/m5-stable

16 years agoCheckpoinging/SWIG: Undo part of changeset 5464 since it broke checkpointing.
Ali Saidi [Tue, 24 Jun 2008 19:48:45 +0000 (15:48 -0400)]
Checkpoinging/SWIG: Undo part of changeset 5464 since it broke checkpointing.

16 years agoSimObject: Add in missing includes of <string> and fix minor style problem.
Gabe Black [Sat, 21 Jun 2008 18:23:58 +0000 (14:23 -0400)]
SimObject: Add in missing includes of <string> and fix minor style problem.

16 years agoMake bus address conflict error more informative
Steve Reinhardt [Sat, 21 Jun 2008 05:06:27 +0000 (01:06 -0400)]
Make bus address conflict error more informative