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authorGabe Black <gblack@eecs.umich.edu>2006-03-09 18:35:28 -0500
committerGabe Black <gblack@eecs.umich.edu>2006-03-09 18:35:28 -0500
commit872bbdfc33cb82bf32576db3a57d3055a04acbac (patch)
tree837dd214bd682ac7efa515b18857bec7d4d35bef /arch/sparc/isa/formats/mem.isa
parent3adb45144aca819c9796168ecde7a263169d9d4d (diff)
parent7b283dbc090d1197593b00fd1279b92f7c2e693e (diff)
downloadgem5-872bbdfc33cb82bf32576db3a57d3055a04acbac.tar.xz
Hand merge. Stuff probably doesn't compile.
--HG-- rename : arch/alpha/isa_desc => arch/alpha/isa/main.isa rename : arch/alpha/alpha_linux_process.cc => arch/alpha/linux/process.cc rename : arch/alpha/alpha_linux_process.hh => arch/alpha/linux/process.hh rename : arch/alpha/alpha_tru64_process.cc => arch/alpha/tru64/process.cc rename : arch/alpha/alpha_tru64_process.hh => arch/alpha/tru64/process.hh rename : cpu/exec_context.cc => cpu/cpu_exec_context.cc rename : cpu/exec_context.hh => cpu/cpu_exec_context.hh extra : convert_revision : 7d1efcedd708815d985a951f6f010fbd83dc27e8
Diffstat (limited to 'arch/sparc/isa/formats/mem.isa')
-rw-r--r--arch/sparc/isa/formats/mem.isa73
1 files changed, 73 insertions, 0 deletions
diff --git a/arch/sparc/isa/formats/mem.isa b/arch/sparc/isa/formats/mem.isa
new file mode 100644
index 000000000..d72de47d0
--- /dev/null
+++ b/arch/sparc/isa/formats/mem.isa
@@ -0,0 +1,73 @@
+////////////////////////////////////////////////////////////////////
+//
+// Mem instructions
+//
+
+output header {{
+ /**
+ * Base class for integer operations.
+ */
+ class Mem : public SparcStaticInst
+ {
+ protected:
+
+ // Constructor
+ Mem(const char *mnem, MachInst _machInst, OpClass __opClass) :
+ SparcStaticInst(mnem, _machInst, __opClass)
+ {
+ }
+
+ std::string generateDisassembly(Addr pc,
+ const SymbolTable *symtab) const;
+ };
+}};
+
+output decoder {{
+ std::string Mem::generateDisassembly(Addr pc, const SymbolTable *symtab) const
+ {
+ return "Memory instruction\n";
+ }
+}};
+
+def template MemExecute {{
+ Fault %(class_name)s::execute(%(CPU_exec_context)s *xc,
+ Trace::InstRecord *traceData) const
+ {
+ Fault fault = NoFault;
+ %(op_decl)s;
+ %(op_rd)s;
+ ea_code
+ %(code)s;
+
+ if(fault == NoFault)
+ {
+ //Write the resulting state to the execution context
+ %(op_wb)s;
+ }
+
+ return fault;
+ }
+}};
+
+// Primary format for integer operate instructions:
+def format Mem(code, *opt_flags) {{
+ orig_code = code
+ cblk = CodeBlock(code)
+ iop = InstObjParams(name, Name, 'SparcStaticInst', cblk, opt_flags)
+ header_output = BasicDeclare.subst(iop)
+ decoder_output = BasicConstructor.subst(iop)
+ decode_block = BasicDecodeWithMnemonic.subst(iop)
+ exec_output = MemExecute.subst(iop)
+ exec_output.replace('ea_code', 'EA = I ? (R1 + SIMM13) : R1 + R2;');
+}};
+
+def format Cas(code, *opt_flags) {{
+ orig_code = code
+ cblk = CodeBlock(code)
+ iop = InstObjParams(name, Name, 'SparcStaticInst', cblk, opt_flags)
+ header_output = BasicDeclare.subst(iop)
+ decoder_output = BasicConstructor.subst(iop)
+ decode_block = BasicDecodeWithMnemonic.subst(iop)
+ exec_output = MemExecute.subst(iop)
+ exec_output.replace('ea_code', 'EA = R1;');
+}};