diff options
Diffstat (limited to 'src/cpu/o3/rename.hh')
| -rw-r--r-- | src/cpu/o3/rename.hh | 26 |
1 files changed, 19 insertions, 7 deletions
diff --git a/src/cpu/o3/rename.hh b/src/cpu/o3/rename.hh index 0aa238c06..606c3365e 100644 --- a/src/cpu/o3/rename.hh +++ b/src/cpu/o3/rename.hh @@ -1,4 +1,16 @@ /* + * Copyright (c) 2012 ARM Limited + * All rights reserved + * + * The license below extends only to copyright in the software and shall + * not be construed as granting a license to any other intellectual + * property including but not limited to intellectual property relating + * to a hardware implementation of the functionality of the software + * licensed hereunder. You may use the software subject to the license + * terms below provided that you ensure that this notice is replicated + * unmodified and in its entirety in all distributions of the software, + * modified or unmodified, in source code or in binary form. + * * Copyright (c) 2004-2006 The Regents of The University of Michigan * All rights reserved. * @@ -157,14 +169,11 @@ class DefaultRename /** Sets pointer to the scoreboard. */ void setScoreboard(Scoreboard *_scoreboard); - /** Drains the rename stage. */ - bool drain(); + /** Perform sanity checks after a drain. */ + void drainSanityCheck() const; - /** Resumes execution after a drain. */ - void resume() { } - - /** Switches out the rename stage. */ - void switchOut(); + /** Has the stage drained? */ + bool isDrained() const; /** Takes over from another CPU's thread. */ void takeOverFrom(); @@ -181,6 +190,9 @@ class DefaultRename void dumpHistory(); private: + /** Reset this pipeline stage */ + void resetStage(); + /** Determines what to do based on rename's current status. * @param status_change rename() sets this variable if there was a status * change (ie switching from blocking to unblocking). |