summaryrefslogtreecommitdiff
path: root/src/cpu/o3/iew_impl.hh
diff options
context:
space:
mode:
authorKevin Lim <ktlim@umich.edu>2006-07-06 17:57:20 -0400
committerKevin Lim <ktlim@umich.edu>2006-07-06 17:57:20 -0400
commitfbe3e22474184e537fe74f4e86277056026f0514 (patch)
tree413df0c55d60823ad1c82615e9ee976c67f983ad /src/cpu/o3/iew_impl.hh
parente7ccc94ea3cdc6130e66899fd905ca11da958727 (diff)
downloadgem5-fbe3e22474184e537fe74f4e86277056026f0514.tar.xz
Fix the O3CPU to support the multi-pass method for checking if the system has fully drained.
src/cpu/o3/commit.hh: src/cpu/o3/commit_impl.hh: src/cpu/o3/decode.hh: src/cpu/o3/decode_impl.hh: src/cpu/o3/fetch.hh: src/cpu/o3/fetch_impl.hh: src/cpu/o3/iew.hh: src/cpu/o3/iew_impl.hh: src/cpu/o3/rename.hh: src/cpu/o3/rename_impl.hh: Return a value so that the CPU can instantly return from draining if the pipeline is already drained. src/cpu/o3/cpu.cc: Use values returned from pipeline stages so that the CPU can instantly return from draining if the pipeline is already drained. --HG-- extra : convert_revision : d8ef6b811644ea67c8b40c4719273fa224105811
Diffstat (limited to 'src/cpu/o3/iew_impl.hh')
-rw-r--r--src/cpu/o3/iew_impl.hh3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/cpu/o3/iew_impl.hh b/src/cpu/o3/iew_impl.hh
index c3aa748ae..0d82645e3 100644
--- a/src/cpu/o3/iew_impl.hh
+++ b/src/cpu/o3/iew_impl.hh
@@ -354,11 +354,12 @@ DefaultIEW<Impl>::setScoreboard(Scoreboard *sb_ptr)
}
template <class Impl>
-void
+bool
DefaultIEW<Impl>::drain()
{
// IEW is ready to drain at any time.
cpu->signalDrained();
+ return true;
}
template <class Impl>