1 files changed, 0 insertions, 113 deletions
diff --git a/src/cpu/decode_cache.cc b/src/cpu/decode_cache.cc
deleted file mode 100644
index 636bf9284..000000000
--- a/src/cpu/decode_cache.cc
+++ /dev/null
@@ -1,113 +0,0 @@
-/*
- * Copyright (c) 2011-2012 Google
- * 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: Gabe Black
- */
-
-#include "arch/decoder.hh"
-#include "arch/isa_traits.hh"
-#include "arch/types.hh"
-#include "base/hashmap.hh"
-#include "config/the_isa.hh"
-#include "cpu/static_inst.hh"
-
-void
-DecodeCache::DecodePages::update(PageIt recentest)
-{
-    recent[1] = recent[0];
-    recent[0] = recentest;
-}
-
-void
-DecodeCache::DecodePages::addPage(Addr addr, DecodePage *page)
-{
-    Addr page_addr = addr & ~(TheISA::PageBytes - 1);
-    typename PageMap::value_type to_insert(page_addr, page);
-    update(pageMap.insert(to_insert).first);
-}
-
-DecodeCache::DecodePages::DecodePages()
-{
-    recent[0] = recent[1] = pageMap.end();
-}
-
-DecodeCache::DecodePage *
-DecodeCache::DecodePages::getPage(Addr addr)
-{
-    Addr page_addr = addr & ~(TheISA::PageBytes - 1);
-
-    // Check against recent lookups.
-    if (recent[0] != pageMap.end()) {
-        if (recent[0]->first == page_addr)
-            return recent[0]->second;
-        if (recent[1] != pageMap.end() &&
-                recent[1]->first == page_addr) {
-            update(recent[1]);
-            // recent[1] has just become recent[0].
-            return recent[0]->second;
-        }
-    }
-
-    // Actually look in the has_map.
-    PageIt it = pageMap.find(page_addr);
-    if (it != pageMap.end()) {
-        update(it);
-        return it->second;
-    }
-
-    // Didn't find an existing page, so add a new one.
-    DecodePage *newPage = new DecodePage;
-    addPage(page_addr, newPage);
-    return newPage;
-}
-
-StaticInstPtr
-DecodeCache::decode(TheISA::Decoder *decoder,
-        ExtMachInst mach_inst, Addr addr)
-{
-    // Try to find a matching address based table of instructions.
-    DecodePage *page = decodePages.getPage(addr);
-
-    // Use the table to decode the instruction. It will fall back to other
-    // mechanisms if it needs to.
-    Addr offset = addr & (TheISA::PageBytes - 1);
-    StaticInstPtr si = page->insts[offset];
-    if (si && (si->machInst == mach_inst))
-        return si;
-
-    InstMap::iterator iter = instMap.find(mach_inst);
-    if (iter != instMap.end()) {
-        si = iter->second;
-        page->insts[offset] = si;
-        return si;
-    }
-
-    si = decoder->decodeInst(mach_inst);
-    instMap[mach_inst] = si;
-    page->insts[offset] = si;
-    return si;
-}