1 files changed, 73 insertions, 0 deletions
diff --git a/src/arch/sparc/arguments.cc b/src/arch/sparc/arguments.cc
new file mode 100644
index 000000000..44adf4a15
--- /dev/null
+++ b/src/arch/sparc/arguments.cc
@@ -0,0 +1,73 @@
+/*
+ * Copyright (c) 2003-2005 The Regents of The University of Michigan
+ * 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: Nathan Binkert
+ */
+
+#include "arch/sparc/arguments.hh"
+#include "arch/sparc/vtophys.hh"
+#include "cpu/thread_context.hh"
+#include "mem/vport.hh"
+
+using namespace SparcISA;
+
+Arguments::Data::~Data()
+{
+    while (!data.empty()) {
+        delete [] data.front();
+        data.pop_front();
+    }
+}
+
+char *
+Arguments::Data::alloc(size_t size)
+{
+    char *buf = new char[size];
+    data.push_back(buf);
+    return buf;
+}
+
+uint64_t
+Arguments::getArg(bool fp)
+{
+    //The caller uses %o0-%05 for the first 6 arguments even if their floating
+    //point. Double precision floating point values take two registers/args.
+    //Quads, structs, and unions are passed as pointers. All arguments beyond
+    //the sixth are passed on the stack past the 16 word window save area,
+    //space for the struct/union return pointer, and space reserved for the
+    //first 6 arguments which the caller may use but doesn't have to.
+    if (number < 6) {
+        return tc->readIntReg(8 + number);
+    } else {
+        Addr sp = tc->readIntReg(14);
+        VirtualPort *vp = tc->getVirtPort(tc);
+        uint64_t arg = vp->read<uint64_t>(sp + 92 + (number-6) * sizeof(uint64_t));
+        tc->delVirtPort(vp);
+        return arg;
+    }
+}
+