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authorGabe Black <gblack@eecs.umich.edu>2006-02-09 13:56:24 -0500
committerGabe Black <gblack@eecs.umich.edu>2006-02-09 13:56:24 -0500
commit7d9b93d825dccbb9eb09e76478552a5211c9b70e (patch)
tree34c3711493803a0fee982c3ae013bed21596269b /arch/sparc/isa/formats/branch.isa
parenta0f65246bfac279130aa67851f9c4d5c27e967b1 (diff)
downloadgem5-7d9b93d825dccbb9eb09e76478552a5211c9b70e.tar.xz
Changed the filenames to the new standard again
arch/sparc/isa/formats.isa: Changed the file extensions to .isa again. arch/sparc/isa/main.isa: Changed the file extensions to .isa again --HG-- rename : arch/sparc/isa_desc/base.h => arch/sparc/isa/base.isa rename : arch/sparc/isa_desc/bitfields.h => arch/sparc/isa/bitfields.isa rename : arch/sparc/isa_desc/decoder.h => arch/sparc/isa/decoder.isa rename : arch/sparc/isa_desc/formats.h => arch/sparc/isa/formats.isa rename : arch/sparc/isa_desc/formats/basic.format => arch/sparc/isa/formats/basic.isa rename : arch/sparc/isa_desc/formats/branch.format => arch/sparc/isa/formats/branch.isa rename : arch/sparc/isa_desc/formats/integerop.format => arch/sparc/isa/formats/integerop.isa rename : arch/sparc/isa_desc/formats/mem.format => arch/sparc/isa/formats/mem.isa rename : arch/sparc/isa_desc/formats/noop.format => arch/sparc/isa/formats/noop.isa rename : arch/sparc/isa_desc/formats/trap.format => arch/sparc/isa/formats/trap.isa rename : arch/sparc/isa_desc/includes.h => arch/sparc/isa/includes.isa rename : arch/sparc/isa_desc/isa_desc => arch/sparc/isa/main.isa rename : arch/sparc/isa_desc/operands.h => arch/sparc/isa/operands.isa extra : convert_revision : acb087e81d06ca5d67fe9b402423d7930f6ae798
Diffstat (limited to 'arch/sparc/isa/formats/branch.isa')
-rw-r--r--arch/sparc/isa/formats/branch.isa66
1 files changed, 66 insertions, 0 deletions
diff --git a/arch/sparc/isa/formats/branch.isa b/arch/sparc/isa/formats/branch.isa
new file mode 100644
index 000000000..c4c0a90af
--- /dev/null
+++ b/arch/sparc/isa/formats/branch.isa
@@ -0,0 +1,66 @@
+////////////////////////////////////////////////////////////////////
+//
+// Branch instructions
+//
+
+output header {{
+ /**
+ * Base class for integer operations.
+ */
+ class Branch : public SparcStaticInst
+ {
+ protected:
+
+ /// Constructor
+ Branch(const char *mnem, MachInst _machInst, OpClass __opClass) : SparcStaticInst(mnem, _machInst, __opClass)
+ {
+ }
+
+ std::string generateDisassembly(Addr pc, const SymbolTable *symtab) const;
+ };
+}};
+
+output decoder {{
+ std::string Branch::generateDisassembly(Addr pc, const SymbolTable *symtab) const
+ {
+ return "Disassembly of integer instruction\n";
+ }
+}};
+
+def template BranchExecute {{
+ Fault %(class_name)s::execute(%(CPU_exec_context)s *xc, Trace::InstRecord *traceData) const
+ {
+ //Attempt to execute the instruction
+ try
+ {
+ checkPriv;
+
+ %(op_decl)s;
+ %(op_rd)s;
+ %(code)s;
+ }
+ //If we have an exception for some reason,
+ //deal with it
+ catch(SparcException except)
+ {
+ //Deal with exception
+ return No_Fault;
+ }
+
+ //Write the resulting state to the execution context
+ %(op_wb)s;
+
+ return No_Fault;
+ }
+}};
+
+// Primary format for integer operate instructions:
+def format Branch(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 = BranchExecute.subst(iop)
+}};