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Steve Reinhardt 90c279e4b1 arch: clean up isa_parser error handling 
Although some decent error messages were getting generated inside
isa_parser.py, they weren't always getting printed because of the
screwy way we were handling exceptions.  (Basically an inner
exception would get hidden by an outer exception, and the more
informative inner error message would not get printed.)

Also line numbers were messed up, since they were taken from the
lexer, which is typically a token (or more) ahead of the grammar
rule that's being matched.  Using the 'lineno' attribute that
PLY associates with the grammar production is more accurate.
The new LineTracker class extends lineno to track filenames as
well as line numbers.
2015-10-06 17:26:50 -07:00
build_opts scons: Do not build the InOrderCPU 2015-01-20 08:12:45 -05:00
configs config: Fix 'learning gem5' configs after SMT push 2015-10-01 04:07:15 -04:00
ext ext: fix SST connector 2015-10-06 18:08:28 -05:00
src arch: clean up isa_parser error handling 2015-10-06 17:26:50 -07:00
system arm: Add support for ARMv8 (AArch64 & AArch32) 2014-01-24 15:29:34 -06:00
tests tests: Update SMT tests to correctly configure CPUs 2015-10-05 13:13:23 -05:00
util base: remove Trace::enabled flag 2015-09-30 15:21:55 -05:00
.hgignore ext: Add a McPAT regression tester 2014-06-04 07:48:20 -07:00
.hgtags Added tag stable_2015_09_03 for changeset 60eb3fef9c2d 2015-09-03 15:38:46 -05:00
COPYING copyright: Add code for finding all copyright blocks and create a COPYING file 2011-06-02 17:36:07 -07:00
LICENSE copyright: Add code for finding all copyright blocks and create a COPYING file 2011-06-02 17:36:07 -07:00
README misc: README direct to website for dependencies 2014-08-26 10:12:04 -04:00
SConstruct ext: Add the NoMali GPU no-simulation library 2015-07-07 10:03:13 +01:00

README 

This is the gem5 simulator.

The main website can be found at http://www.gem5.org

A good starting point is http://www.gem5.org/Introduction, and for
more information about building the simulator and getting started
please see http://www.gem5.org/Documentation and
http://www.gem5.org/Tutorials.

To build gem5, you will need the following software: g++ or clang,
Python (gem5 links in the Python interpreter), SCons, SWIG, zlib, m4,
and lastly protobuf if you want trace capture and playback
support. Please see http://www.gem5.org/Dependencies for more details
concerning the minimum versions of the aforementioned tools.

Once you have all dependencies resolved, type 'scons
build/<ARCH>/gem5.opt' where ARCH is one of ALPHA, ARM, NULL, MIPS,
POWER, SPARC, or X86. This will build an optimized version of the gem5
binary (gem5.opt) for the the specified architecture. See
http://www.gem5.org/Build_System for more details and options.

With the simulator built, have a look at
http://www.gem5.org/Running_gem5 for more information on how to use
gem5.

The basic source release includes these subdirectories:
   - configs: example simulation configuration scripts
   - ext: less-common external packages needed to build gem5
   - src: source code of the gem5 simulator
   - system: source for some optional system software for simulated systems
   - tests: regression tests
   - util: useful utility programs and files

To run full-system simulations, you will need compiled system firmware
(console and PALcode for Alpha), kernel binaries and one or more disk
images. Please see the gem5 download page for these items at
http://www.gem5.org/Download

If you have questions, please send mail to gem5-users@gem5.org

Enjoy using gem5 and please share your modifications and extensions.