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Steve Reinhardt 6c5a3ab8b2 Add ReadRespWithInvalidate to handle multi-level coherence situation 
where we defer a response to a read from a far-away cache A, then later
defer a ReadExcl from a cache B on the same bus as us.  We'll assert
MemInhibit in both cases, but in the latter case MemInhibit will keep
the invalidation from reaching cache A.  This special response tells
cache A that it gets the block to satisfy its read, but must immediately
invalidate it.

--HG--
extra : convert_revision : f85c8b47bb30232da37ac861b50a6539dc81161b
2008-01-02 15:22:38 -08:00
build_opts Add in files from merge-bare-iron, get them compiling in FS and SE mode 2007-11-13 16:58:16 -05:00
configs Checkpointing: Fix a bug in the simulation script when restoring without standard switch and change some ifs to work with the default port since every port is now connected to something. 2007-12-18 01:52:57 -05:00
ext Compiling: Make sure that libelf is also compiled for 64bit on OS X. 2007-11-19 18:23:43 -05:00
src Add ReadRespWithInvalidate to handle multi-level coherence situation 2008-01-02 15:22:38 -08:00
tests X86: Update the parser reference output which has mysteriously changed again? 2007-12-03 14:33:33 -08:00
util Fix minor bug in util/style.py 2007-12-11 10:41:30 -08:00
.hgignore Add cscope files to .hgignore. 2007-08-03 16:27:51 -07:00
.hgtags Restore .hgtags (inadvertently lost in a prior merge). 2007-10-22 15:53:32 -04:00
AUTHORS RELEASE: More changes to text 2007-11-01 21:07:49 -04:00
LICENSE Remove authors from copyright. 2006-05-28 23:26:15 -04:00
README RELEASE: First cut of updated release files for 2.0b4 2007-10-31 01:21:54 -04:00
RELEASE_NOTES RELEASE: Grammer 2007-11-01 21:18:08 -04:00
SConstruct Compiling: Make sure that libelf is also compiled for 64bit on OS X. 2007-11-19 18:23:43 -05:00

README 

This is release 2.0_beta4 of the M5 simulator.

For detailed information about building the simulator and getting
started please refer to http://www.m5sim.org.

Specific pages of interest are:
http://www.m5sim.org/wiki/index.php/Compiling_M5
http://www.m5sim.org/wiki/index.php/Running_M5

Short version:

1. If you don't have SCons version 0.96.91 or newer, get it from
http://wwww.scons.org.

2. If you don't have SWIG version 1.3.28 or newer, get it from
http://wwww.swig.org.

3. In this directory, type 'scons build/ALPHA_SE/tests/debug/quick'.  This
will build the debug version of the m5 binary (m5.debug) for the Alpha
syscall emulation target, and run the quick regression tests on it.

If you have questions, please send mail to m5-users@m5sim.org

WHAT'S INCLUDED (AND NOT)
-------------------------

The basic source release includes these subdirectories:
 - m5: 
   - src: source code of the m5 simulator
   - tests: regression tests
   - ext: less-common external packages needed to build m5

To run full-system simulations, you will need compiled console,
PALcode, and kernel binaries and one or more disk images.  These files
are collected in a separate archive, m5_system.tar.bz2.  This file
can he downloaded separately.

M5 supports Linux 2.4/2.6, FreeBSD, and the proprietary Compaq/HP
Tru64 version of Unix. We are able to distribute Linux and FreeBSD
bootdisks, but we are unable to distribute bootable disk images of
Tru64 Unix. If you have a Tru64 license and are interested in
obtaining disk images, contact us at m5-users@m5sim.org