1 files changed, 123 insertions, 0 deletions
diff --git a/src/mem/cache/sector_blk.cc b/src/mem/cache/sector_blk.cc
new file mode 100644
index 000000000..07d9e9543
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+++ b/src/mem/cache/sector_blk.cc
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+/**
+ * Copyright (c) 2018 Inria
+ * 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: Daniel Carvalho
+ */
+
+/** @file
+ * Implementation of a simple sector block class. Each sector consists of a
+ * sequence of cache blocks that may or may not be present in the cache.
+ */
+
+#include "mem/cache/sector_blk.hh"
+
+#include <cassert>
+
+#include "base/logging.hh"
+
+void
+SectorSubBlk::setSectorBlock(SectorBlk* sector_blk)
+{
+    assert(sector_blk != nullptr);
+    _sectorBlk = sector_blk;
+}
+
+const SectorBlk*
+SectorSubBlk::getSectorBlock() const
+{
+    return _sectorBlk;
+}
+
+void
+SectorSubBlk::setSectorOffset(const int sector_offset)
+{
+    _sectorOffset = sector_offset;
+}
+
+int
+SectorSubBlk::getSectorOffset() const
+{
+    return _sectorOffset;
+}
+
+Addr
+SectorSubBlk::getTag() const
+{
+    return _sectorBlk->getTag();
+}
+
+void
+SectorSubBlk::insert(const Addr tag, const bool is_secure,
+                     const int src_master_ID, const uint32_t task_ID)
+{
+    // Make sure it is not overwriting another sector
+    panic_if((_sectorBlk && _sectorBlk->isValid()) &&
+             ((_sectorBlk->getTag() != tag) ||
+              (_sectorBlk->isSecure() != is_secure)),
+              "Overwriting valid sector!");
+
+    CacheBlk::insert(tag, is_secure, src_master_ID, task_ID);
+
+    // Set sector tag
+    _sectorBlk->setTag(tag);
+}
+
+bool
+SectorBlk::isValid() const
+{
+    // If any of the blocks in the sector is valid, so is the sector
+    for (const auto& blk : blks) {
+        if (blk->isValid()) {
+            return true;
+        }
+    }
+    return false;
+}
+
+bool
+SectorBlk::isSecure() const
+{
+    // If any of the valid blocks in the sector is secure, so is the sector
+    for (const auto& blk : blks) {
+        if (blk->isValid()) {
+            return blk->isSecure();
+        }
+    }
+    return false;
+}
+
+void
+SectorBlk::setTag(const Addr tag)
+{
+    _tag = tag;
+}
+
+Addr
+SectorBlk::getTag() const
+{
+    return _tag;
+}