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Wendy Elsasser 0dd0d4ee7a mem: Modify drain to ensure banks and power are idled 
Add constraint that all ranks have to be in PWR_IDLE
before signaling drain complete

This will ensure that the banks are all closed and the rank
has exited any low-power states.

On suspend, update the power stats to sync the DRAM power logic

The logic maintains the location of the signalDrainDone
method, which is still triggered from either:
1) Read response event
2) Next request event

This ensures that the drain will complete in the READ bus
state and minimizes the changes required.

Change-Id: If1476e631ea7d5999fe50a0c9379c5967a90e3d1
Reviewed-by: Radhika Jagtap <radhika.jagtap@arm.com>
2016-10-13 19:22:11 +01:00
build_opts ruby: rename ALPHA_Network_test protocol to Garnet_standalone. 2016-10-06 14:35:14 -04:00
configs ruby: Fix regressions and make Ruby configs Python packages 2016-10-13 03:17:19 -04:00
ext ext: update SST test config 2016-09-20 15:51:24 +01:00
src mem: Modify drain to ensure banks and power are idled 2016-10-13 19:22:11 +01:00
system arm, config: Add an example ARM big.LITTLE(tm) configuration script 2016-07-21 17:19:16 +01:00
tests ruby: Fix regressions and make Ruby configs Python packages 2016-10-13 03:17:19 -04:00
util style: Make the style fixers safe 2016-08-03 11:10:46 -05:00
.gitignore misc: Add a gitignore file based on the current hgignore 2016-03-16 17:20:00 +00:00
.hgignore misc: ignore object files and static libs in util/m5 2015-11-13 17:03:48 -05:00
.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 scons: Bump minimum gcc version to 4.8 2016-05-30 02:10:48 -04:00

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.