Pushed most of constants.hh back into isa_traits.hh and regfile.hh and created a seperate file for the syscallreturn class.

--HG--
extra : convert_revision : 9507ea1c09fda959f00aec9ec8ffb887ec8dd0f9

1 files changed, 83 insertions, 0 deletions

diff --git a/src/arch/sparc/floatregfile.hh b/src/arch/sparc/floatregfile.hh
new file mode 100644
index 000000000..9d760c9ff
--- /dev/null
+++ b/src/arch/sparc/floatregfile.hh
@@ -0,0 +1,83 @@
+/*
+ * 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: Gabe Black
+ *          Ali Saidi
+ */
+
+#ifndef __ARCH_SPARC_FLOATREGFILE_HH__
+#define __ARCH_SPARC_FLOATREGFILE_HH__
+
+#include "arch/sparc/faults.hh"
+#include "arch/sparc/isa_traits.hh"
+#include "arch/sparc/types.hh"
+
+#include <string>
+
+namespace SparcISA
+{
+    std::string getFloatRegName(RegIndex);
+
+    typedef float float32_t;
+    typedef double float64_t;
+    //FIXME long double refers to a 10 byte float, rather than a
+    //16 byte float as required. This data type may have to be emulated.
+    typedef double float128_t;
+
+    class FloatRegFile
+    {
+      public:
+        static const int SingleWidth = 32;
+        static const int DoubleWidth = 64;
+        static const int QuadWidth = 128;
+
+      protected:
+
+        //Since the floating point registers overlap each other,
+        //A generic storage space is used. The float to be returned is
+        //pulled from the appropriate section of this region.
+        char regSpace[(SingleWidth / 8) * NumFloatRegs];
+
+      public:
+
+        void clear();
+
+        FloatReg readReg(int floatReg, int width);
+
+        FloatRegBits readRegBits(int floatReg, int width);
+
+        Fault setReg(int floatReg, const FloatReg &val, int width);
+
+        Fault setRegBits(int floatReg, const FloatRegBits &val, int width);
+
+        void serialize(std::ostream &os);
+
+        void unserialize(Checkpoint *cp, const std::string &section);
+    };
+}
+
+#endif