From 25daea0e6fd12b8ce3c282b49b3fd334d1871975 Mon Sep 17 00:00:00 2001
From: Jason Lowe-Power <jason@lowepower.com>
Date: Fri, 6 Oct 2017 14:27:37 -0700
Subject: learning_gem5: Add code for hello-goodbye example

Adding more code from Learning gem5 Part II

See http://learning.gem5.org/book/part2/parameters.html

Change-Id: I9fe5655239e011c718c5cf5fd62bebcda66ea966
Signed-off-by: Jason Lowe-Power <jason@lowepower.com>
Reviewed-on: https://gem5-review.googlesource.com/5021
Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com>
---
 src/learning_gem5/part2/goodbye_object.hh | 84 +++++++++++++++++++++++++++++++
 1 file changed, 84 insertions(+)
 create mode 100644 src/learning_gem5/part2/goodbye_object.hh

(limited to 'src/learning_gem5/part2/goodbye_object.hh')

diff --git a/src/learning_gem5/part2/goodbye_object.hh b/src/learning_gem5/part2/goodbye_object.hh
new file mode 100644
index 000000000..0a2453ceb
--- /dev/null
+++ b/src/learning_gem5/part2/goodbye_object.hh
@@ -0,0 +1,84 @@
+/*
+ * Copyright (c) 2017 Jason Lowe-Power
+ * 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.
+ *
+ * Authors: Jason Lowe-Power
+ */
+
+#ifndef __LEARNING_GEM5_GOODBYE_OBJECT_HH__
+#define __LEARNING_GEM5_GOODBYE_OBJECT_HH__
+
+#include <string>
+
+#include "params/GoodbyeObject.hh"
+#include "sim/sim_object.hh"
+
+class GoodbyeObject : public SimObject
+{
+  private:
+    /**
+     * Fill the buffer with the next chunk of data
+     */
+    void processEvent();
+
+    /// An event that wraps the above function
+    EventFunctionWrapper event;
+
+    /**
+     * Fills the buffer for one iteration. If the buffer isn't full, this
+     * function will enqueue another event to continue filling.
+     */
+    void fillBuffer();
+
+    /// The bytes processed per tick
+    float bandwidth;
+
+    /// The size of the buffer we are going to fill
+    int bufferSize;
+
+    /// The buffer we are putting our message in
+    char *buffer;
+
+    /// The message to put into the buffer.
+    std::string message;
+
+    /// The amount of the buffer we've used so far.
+    int bufferUsed;
+
+  public:
+    GoodbyeObject(GoodbyeObjectParams *p);
+    ~GoodbyeObject();
+
+    /**
+     * Called by an outside object. Starts off the events to fill the buffer
+     * with a goodbye message.
+     *
+     * @param name the name of the object we are saying goodbye to.
+     */
+    void sayGoodbye(std::string name);
+};
+
+#endif // __LEARNING_GEM5_GOODBYE_OBJECT_HH__
-- 
cgit v1.2.3