Load the hypervisor symbols twice, once with an address mask so that we can get symbols for where it's copied to in memory

Add the ability to use an address mask for symbol loading
Rather then silently failing on platform accesses panic
Move BadAddr/IsaFake no Device from Tsunami
Let the system kernel be none, but warn about it

configs/common/FSConfig.py:
    We don't have a kernel for sparc yet
src/arch/sparc/system.cc:
    Load the hypervisor symbols twice, once with an address mask so that we can get symbols for where it's copied to in memory
src/base/loader/aout_object.cc:
src/base/loader/aout_object.hh:
src/base/loader/ecoff_object.cc:
src/base/loader/ecoff_object.hh:
src/base/loader/elf_object.cc:
src/base/loader/elf_object.hh:
src/base/loader/object_file.hh:
src/base/loader/raw_object.cc:
src/base/loader/raw_object.hh:
    Add the ability to use an address mask for symbol loading
src/dev/sparc/t1000.cc:
    Rather then silently failing on platform accesses panic
src/dev/sparc/t1000.hh:
    fix up a couple of platform comments
src/python/m5/objects/Bus.py:
src/python/m5/objects/Device.py:
src/python/m5/objects/T1000.py:
src/python/m5/objects/Tsunami.py:
    Move BadAddr/IsaFake no Device from Tsunami
src/python/m5/objects/System.py:
    Let kernel be none
src/sim/system.cc:
    Let the system kernel be none, but warn about it

--HG--
extra : convert_revision : 92f6afef599a3d3c7c5026d03434102c41c7b5f4

9 files changed, 30 insertions, 20 deletions

diff --git a/src/base/loader/aout_object.cc b/src/base/loader/aout_object.cc
index 6691bd4ae..8fbad8030 100644
--- a/src/base/loader/aout_object.cc
+++ b/src/base/loader/aout_object.cc
@@ -82,14 +82,14 @@ AoutObject::AoutObject(const string &_filename, int _fd,
 
 
 bool
-AoutObject::loadGlobalSymbols(SymbolTable *symtab)
+AoutObject::loadGlobalSymbols(SymbolTable *symtab, Addr addrMask)
 {
     // a.out symbols not supported yet
     return false;
 }
 
 bool
-AoutObject::loadLocalSymbols(SymbolTable *symtab)
+AoutObject::loadLocalSymbols(SymbolTable *symtab, Addr addrMask)
 {
     // a.out symbols not supported yet
     return false;
diff --git a/src/base/loader/aout_object.hh b/src/base/loader/aout_object.hh
index d180d69f3..7bac5be65 100644
--- a/src/base/loader/aout_object.hh
+++ b/src/base/loader/aout_object.hh
@@ -48,8 +48,10 @@ class AoutObject : public ObjectFile
   public:
     virtual ~AoutObject() {}
 
-    virtual bool loadGlobalSymbols(SymbolTable *symtab);
-    virtual bool loadLocalSymbols(SymbolTable *symtab);
+    virtual bool loadGlobalSymbols(SymbolTable *symtab, Addr addrMask =
+            std::numeric_limits<Addr>::max());
+    virtual bool loadLocalSymbols(SymbolTable *symtab, Addr addrMask =
+            std::numeric_limits<Addr>::max());
 
     static ObjectFile *tryFile(const std::string &fname, int fd,
                                size_t len, uint8_t *data);
diff --git a/src/base/loader/ecoff_object.cc b/src/base/loader/ecoff_object.cc
index 134f2d98d..a5a0ad9a4 100644
--- a/src/base/loader/ecoff_object.cc
+++ b/src/base/loader/ecoff_object.cc
@@ -86,7 +86,7 @@ EcoffObject::EcoffObject(const string &_filename, int _fd,
 
 
 bool
-EcoffObject::loadGlobalSymbols(SymbolTable *symtab)
+EcoffObject::loadGlobalSymbols(SymbolTable *symtab, Addr addrMask)
 {
     if (!symtab)
         return false;
@@ -115,7 +115,7 @@ EcoffObject::loadGlobalSymbols(SymbolTable *symtab)
 }
 
 bool
-EcoffObject::loadLocalSymbols(SymbolTable *symtab)
+EcoffObject::loadLocalSymbols(SymbolTable *symtab, Addr addrMask)
 {
     if (!symtab)
         return false;
diff --git a/src/base/loader/ecoff_object.hh b/src/base/loader/ecoff_object.hh
index 05c604b2b..ca6fa2dd0 100644
--- a/src/base/loader/ecoff_object.hh
+++ b/src/base/loader/ecoff_object.hh
@@ -52,8 +52,10 @@ class EcoffObject : public ObjectFile
   public:
     virtual ~EcoffObject() {}
 
-    virtual bool loadGlobalSymbols(SymbolTable *symtab);
-    virtual bool loadLocalSymbols(SymbolTable *symtab);
+    virtual bool loadGlobalSymbols(SymbolTable *symtab, Addr addrMask =
+            std::numeric_limits<Addr>::max());
+    virtual bool loadLocalSymbols(SymbolTable *symtab, Addr addrMask =
+            std::numeric_limits<Addr>::max());
 
     static ObjectFile *tryFile(const std::string &fname, int fd,
                                size_t len, uint8_t *data);
diff --git a/src/base/loader/elf_object.cc b/src/base/loader/elf_object.cc
index 2ca0d4f4a..7339507f6 100644
--- a/src/base/loader/elf_object.cc
+++ b/src/base/loader/elf_object.cc
@@ -330,13 +330,13 @@ ElfObject::loadSomeSymbols(SymbolTable *symtab, int binding)
 }
 
 bool
-ElfObject::loadGlobalSymbols(SymbolTable *symtab)
+ElfObject::loadGlobalSymbols(SymbolTable *symtab, Addr addrMask)
 {
     return loadSomeSymbols(symtab, STB_GLOBAL);
 }
 
 bool
-ElfObject::loadLocalSymbols(SymbolTable *symtab)
+ElfObject::loadLocalSymbols(SymbolTable *symtab, Addr addrMask)
 {
     return loadSomeSymbols(symtab, STB_LOCAL);
 }
diff --git a/src/base/loader/elf_object.hh b/src/base/loader/elf_object.hh
index 9755426b4..fb728b3c5 100644
--- a/src/base/loader/elf_object.hh
+++ b/src/base/loader/elf_object.hh
@@ -53,8 +53,10 @@ class ElfObject : public ObjectFile
   public:
     virtual ~ElfObject() {}
 
-    virtual bool loadGlobalSymbols(SymbolTable *symtab);
-    virtual bool loadLocalSymbols(SymbolTable *symtab);
+    virtual bool loadGlobalSymbols(SymbolTable *symtab, Addr addrMask =
+            std::numeric_limits<Addr>::max());
+    virtual bool loadLocalSymbols(SymbolTable *symtab, Addr addrMask =
+            std::numeric_limits<Addr>::max());
 
     static ObjectFile *tryFile(const std::string &fname, int fd,
                                size_t len, uint8_t *data);
diff --git a/src/base/loader/object_file.hh b/src/base/loader/object_file.hh
index 64085185d..6e98332c5 100644
--- a/src/base/loader/object_file.hh
+++ b/src/base/loader/object_file.hh
@@ -78,8 +78,10 @@ class ObjectFile
 
     virtual bool loadSections(Port *memPort, Addr addrMask =
             std::numeric_limits<Addr>::max());
-    virtual bool loadGlobalSymbols(SymbolTable *symtab) = 0;
-    virtual bool loadLocalSymbols(SymbolTable *symtab) = 0;
+    virtual bool loadGlobalSymbols(SymbolTable *symtab, Addr addrMask =
+            std::numeric_limits<Addr>::max()) = 0;
+    virtual bool loadLocalSymbols(SymbolTable *symtab, Addr addrMask =
+            std::numeric_limits<Addr>::max()) = 0;
 
     Arch  getArch()  const { return arch; }
     OpSys getOpSys() const { return opSys; }
diff --git a/src/base/loader/raw_object.cc b/src/base/loader/raw_object.cc
index 1faf33426..2a52b0d6e 100644
--- a/src/base/loader/raw_object.cc
+++ b/src/base/loader/raw_object.cc
@@ -61,21 +61,21 @@ RawObject::RawObject(const std::string &_filename, int _fd, size_t _len,
 }
 
 bool
-RawObject::loadGlobalSymbols(SymbolTable *symtab)
+RawObject::loadGlobalSymbols(SymbolTable *symtab, Addr addrMask)
 {
     int fnameStart = filename.rfind('/',filename.size()) + 1;
     int extStart = filename.rfind('.',filename.size());
-    symtab->insert(text.baseAddr, filename.substr(fnameStart,
+    symtab->insert(text.baseAddr & addrMask, filename.substr(fnameStart,
                 extStart-fnameStart) + "_start");
     return true;
 }
 
 bool
-RawObject::loadLocalSymbols(SymbolTable *symtab)
+RawObject::loadLocalSymbols(SymbolTable *symtab, Addr addrMask)
 {
     int fnameStart = filename.rfind('/',filename.size()) + 1;
     int extStart = filename.rfind('.',filename.size());
-    symtab->insert(text.baseAddr, filename.substr(fnameStart,
+    symtab->insert(text.baseAddr & addrMask, filename.substr(fnameStart,
                 extStart-fnameStart) + "_start");
     return true;
 }
diff --git a/src/base/loader/raw_object.hh b/src/base/loader/raw_object.hh
index c7fff4e66..9014a2d30 100644
--- a/src/base/loader/raw_object.hh
+++ b/src/base/loader/raw_object.hh
@@ -41,8 +41,10 @@ class RawObject: public ObjectFile
   public:
     virtual ~RawObject() {}
 
-    virtual bool loadGlobalSymbols(SymbolTable *symtab);
-    virtual bool loadLocalSymbols(SymbolTable *symtab);
+    virtual bool loadGlobalSymbols(SymbolTable *symtab, Addr addrMask =
+            std::numeric_limits<Addr>::max());
+    virtual bool loadLocalSymbols(SymbolTable *symtab, Addr addrMask =
+            std::numeric_limits<Addr>::max());
 
     static ObjectFile *tryFile(const std::string &fname, int fd, size_t len,
             uint8_t *data);