sim: Move cur tick to its own files

When declared within sim/core.hh, unit tests that use the
current tick would have to unnecessarily include many other
extra files.

Change-Id: Ib4348312afb90765edb4f94c80785df1275b2004
Signed-off-by: Daniel R. Carvalho <odanrc@yahoo.com.br>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/39835
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Bobby R. Bruce <bbruce@ucdavis.edu>
Maintainer: Bobby R. Bruce <bbruce@ucdavis.edu>

diff --git a/src/sim/SConscript b/src/sim/SConscript
index 78d9bf535f8f31f664d9de2471618ef2a4b9da4a..fe18d247ce8c4f05a3c2b58a891a5f1ad7e0b258 100644 (file)
--- a/src/sim/SConscript
+++ b/src/sim/SConscript
@@ -44,6 +44,7 @@ SimObject('PowerDomain.py')
 Source('async.cc')
 Source('backtrace_%s.cc' % env['BACKTRACE_IMPL'])
 Source('core.cc')
+Source('cur_tick.cc')
 Source('tags.cc')
 Source('cxx_config.cc')
 Source('cxx_manager.cc')

diff --git a/src/sim/core.cc b/src/sim/core.cc
index 928e6c8d25a839f65ad6995bb057fb7a414d36f4..baa56abe2ca455318e9b5cf4acab014eec0925ec 100644 (file)
--- a/src/sim/core.cc
+++ b/src/sim/core.cc
@@ -37,14 +37,6 @@
 #include "base/cprintf.hh"
 #include "base/logging.hh"
 #include "base/output.hh"
-#include "sim/eventq.hh"
-
-namespace Gem5Internal
-{
-
-__thread Tick *_curTickPtr;
-
-} // namespace Gem5Internal
 
 namespace SimClock {
 /// The simulated frequency of curTick(). (In ticks per second)

diff --git a/src/sim/core.hh b/src/sim/core.hh
index c5920490d73d22d891448a4f4574bbf58c864310..30c8949cca0c7609653dffb08263db9f126c8066 100644 (file)
--- a/src/sim/core.hh
+++ b/src/sim/core.hh
@@ -39,17 +39,9 @@
 #include <string>
 
 #include "base/types.hh"
-
-namespace Gem5Internal
-{
-
-// This pointer is maintained by curEventQueue in src/sim/eventq.hh.
-extern __thread Tick *_curTickPtr;
-
-} // namespace Gem5Internal
-
-/// The universal simulation clock.
-inline Tick curTick() { return *Gem5Internal::_curTickPtr; }
+// @todo The next include is not needed in this file, but must be kept
+// until the transitive includes are fixed
+#include "sim/cur_tick.hh"
 
 /// These are variables that are set based on the simulator frequency
 ///@{

diff --git a/src/sim/cur_tick.cc b/src/sim/cur_tick.cc
new file mode 100644 (file)
index 0000000..630a7fb
--- /dev/null
+++ b/src/sim/cur_tick.cc
@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2021 Daniel R. Carvalho
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "sim/cur_tick.hh"
+
+namespace Gem5Internal
+{
+
+__thread Tick *_curTickPtr;
+
+} // namespace Gem5Internal

diff --git a/src/sim/cur_tick.hh b/src/sim/cur_tick.hh
new file mode 100644 (file)
index 0000000..0aee611
--- /dev/null
+++ b/src/sim/cur_tick.hh
@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2021 Daniel R. Carvalho
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __SIM_CUR_TICK_HH__
+#define __SIM_CUR_TICK_HH__
+
+#include "base/types.hh"
+
+namespace Gem5Internal
+{
+
+// This pointer is maintained by curEventQueue in src/sim/eventq.hh.
+extern __thread Tick *_curTickPtr;
+
+} // namespace Gem5Internal
+
+/// The universal simulation clock.
+inline Tick curTick() { return *Gem5Internal::_curTickPtr; }
+
+#endif /* __SIM_CUR_TICK_HH__ */