Merge zizzer:/bk/newmem

into  zower.eecs.umich.edu:/eecshome/m5/newmem

src/arch/isa_parser.py:
src/arch/sparc/isa/formats/mem/basicmem.isa:
src/arch/sparc/isa/formats/mem/blockmem.isa:
src/arch/sparc/isa/formats/mem/util.isa:
src/arch/sparc/miscregfile.cc:
src/arch/sparc/miscregfile.hh:
src/cpu/o3/iew_impl.hh:
    Hand Merge

--HG--
extra : convert_revision : ae1b25cde85ab8ec275a09d554acd372887d4d47

2 files changed, 100 insertions, 24 deletions

diff --git a/src/sim/byteswap.hh b/src/sim/byteswap.hh
index 7b1ae701e..7b63cf6e0 100644
--- a/src/sim/byteswap.hh
+++ b/src/sim/byteswap.hh
@@ -57,6 +57,8 @@
 #include <libkern/OSByteOrder.h>
 #endif
 
+enum ByteOrder {BigEndianByteOrder, LittleEndianByteOrder};
+
 //These functions actually perform the swapping for parameters
 //of various bit lengths
 static inline uint64_t
@@ -131,11 +133,13 @@ template <typename T> static inline T letobe(T value) {return swap_byte(value);}
 //For conversions not involving the guest system, we can define the functions
 //conditionally based on the BYTE_ORDER macro and outside of the namespaces
 #if defined(_BIG_ENDIAN) || BYTE_ORDER == BIG_ENDIAN
+const ByteOrder HostByteOrder = BigEndianByteOrder;
 template <typename T> static inline T htole(T value) {return swap_byte(value);}
 template <typename T> static inline T letoh(T value) {return swap_byte(value);}
 template <typename T> static inline T htobe(T value) {return value;}
 template <typename T> static inline T betoh(T value) {return value;}
 #elif defined(_LITTLE_ENDIAN) || BYTE_ORDER == LITTLE_ENDIAN
+const ByteOrder HostByteOrder = LittleEndianByteOrder;
 template <typename T> static inline T htole(T value) {return value;}
 template <typename T> static inline T letoh(T value) {return value;}
 template <typename T> static inline T htobe(T value) {return swap_byte(value);}
@@ -146,33 +150,35 @@ template <typename T> static inline T betoh(T value) {return swap_byte(value);}
 
 namespace BigEndianGuest
 {
-        template <typename T>
-        static inline T gtole(T value) {return betole(value);}
-        template <typename T>
-        static inline T letog(T value) {return letobe(value);}
-        template <typename T>
-        static inline T gtobe(T value) {return value;}
-        template <typename T>
-        static inline T betog(T value) {return value;}
-        template <typename T>
-        static inline T htog(T value) {return htobe(value);}
-        template <typename T>
-        static inline T gtoh(T value) {return betoh(value);}
+    const bool ByteOrderDiffers = (HostByteOrder != BigEndianByteOrder);
+    template <typename T>
+    static inline T gtole(T value) {return betole(value);}
+    template <typename T>
+    static inline T letog(T value) {return letobe(value);}
+    template <typename T>
+    static inline T gtobe(T value) {return value;}
+    template <typename T>
+    static inline T betog(T value) {return value;}
+    template <typename T>
+    static inline T htog(T value) {return htobe(value);}
+    template <typename T>
+    static inline T gtoh(T value) {return betoh(value);}
 }
 
 namespace LittleEndianGuest
 {
-        template <typename T>
-        static inline T gtole(T value) {return value;}
-        template <typename T>
-        static inline T letog(T value) {return value;}
-        template <typename T>
-        static inline T gtobe(T value) {return letobe(value);}
-        template <typename T>
-        static inline T betog(T value) {return betole(value);}
-        template <typename T>
-        static inline T htog(T value) {return htole(value);}
-        template <typename T>
-        static inline T gtoh(T value) {return letoh(value);}
+    const bool ByteOrderDiffers = (HostByteOrder != LittleEndianByteOrder);
+    template <typename T>
+    static inline T gtole(T value) {return value;}
+    template <typename T>
+    static inline T letog(T value) {return value;}
+    template <typename T>
+    static inline T gtobe(T value) {return letobe(value);}
+    template <typename T>
+    static inline T betog(T value) {return betole(value);}
+    template <typename T>
+    static inline T htog(T value) {return htole(value);}
+    template <typename T>
+    static inline T gtoh(T value) {return letoh(value);}
 }
 #endif // __SIM_BYTE_SWAP_HH__
diff --git a/src/sim/syscallreturn.hh b/src/sim/syscallreturn.hh
new file mode 100644
index 000000000..d1c43f584
--- /dev/null
+++ b/src/sim/syscallreturn.hh
@@ -0,0 +1,70 @@
+/*
+ * 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
+ */
+
+#ifndef __SIM_SYSCALLRETURN_HH__
+#define __SIM_SYSCALLRETURN_HH__
+
+#include <inttypes.h>
+
+class SyscallReturn
+{
+  public:
+    template <class T>
+    SyscallReturn(T v, bool s)
+    {
+        retval = (uint64_t)v;
+        success = s;
+    }
+
+    template <class T>
+    SyscallReturn(T v)
+    {
+        success = (v >= 0);
+        retval = (uint64_t)v;
+    }
+
+    ~SyscallReturn() {}
+
+    SyscallReturn& operator=(const SyscallReturn& s)
+    {
+        retval = s.retval;
+        success = s.success;
+        return *this;
+    }
+
+    bool successful() { return success; }
+    uint64_t value() { return retval; }
+
+    private:
+    uint64_t retval;
+    bool success;
+};
+
+#endif