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authorGabe Black <gabeblack@google.com>2017-11-06 19:14:51 -0800
committerGabe Black <gabeblack@google.com>2017-11-22 00:23:00 +0000
commit299d7f8c5d9f22ceed3cc7081ea6b9d90542610f (patch)
treee829f863aad864683256cb1879523c3da8247cd9 /src/arch/sparc/isa
parentcfbcb7b2731ecd9439f1622dbc86139256d35de1 (diff)
downloadgem5-299d7f8c5d9f22ceed3cc7081ea6b9d90542610f.tar.xz
sparc: Pull the unimplemented formats out of the ISA description.
These are simple classes which don't need to be in the ISA description. Change-Id: Ia0bb45f50c4da2536855efcb3c17c7780b431332 Reviewed-on: https://gem5-review.googlesource.com/5464 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
Diffstat (limited to 'src/arch/sparc/isa')
-rw-r--r--src/arch/sparc/isa/formats/unimp.isa98
-rw-r--r--src/arch/sparc/isa/includes.isa1
2 files changed, 1 insertions, 98 deletions
diff --git a/src/arch/sparc/isa/formats/unimp.isa b/src/arch/sparc/isa/formats/unimp.isa
index aa03c926e..b23d82148 100644
--- a/src/arch/sparc/isa/formats/unimp.isa
+++ b/src/arch/sparc/isa/formats/unimp.isa
@@ -33,104 +33,6 @@
// Unimplemented instructions
//
-output header {{
- /**
- * Static instruction class for unimplemented instructions that
- * cause simulator termination. Note that these are recognized
- * (legal) instructions that the simulator does not support; the
- * 'Unknown' class is used for unrecognized/illegal instructions.
- * This is a leaf class.
- */
- class FailUnimplemented : public SparcStaticInst
- {
- public:
- /// Constructor
- FailUnimplemented(const char *_mnemonic, ExtMachInst _machInst)
- : SparcStaticInst(_mnemonic, _machInst, No_OpClass)
- {
- // don't call execute() (which panics) if we're on a
- // speculative path
- flags[IsNonSpeculative] = true;
- }
-
- Fault execute(ExecContext *, Trace::InstRecord *) const;
-
- std::string
- generateDisassembly(Addr pc, const SymbolTable *symtab) const;
- };
-
- /**
- * Base class for unimplemented instructions that cause a warning
- * to be printed (but do not terminate simulation). This
- * implementation is a little screwy in that it will print a
- * warning for each instance of a particular unimplemented machine
- * instruction, not just for each unimplemented opcode. Should
- * probably make the 'warned' flag a static member of the derived
- * class.
- */
- class WarnUnimplemented : public SparcStaticInst
- {
- private:
- /// Have we warned on this instruction yet?
- mutable bool warned;
-
- public:
- /// Constructor
- WarnUnimplemented(const char *_mnemonic, ExtMachInst _machInst)
- : SparcStaticInst(_mnemonic, _machInst, No_OpClass), warned(false)
- {
- // don't call execute() (which panics) if we're on a
- // speculative path
- flags[IsNonSpeculative] = true;
- }
-
- Fault execute(ExecContext *, Trace::InstRecord *) const;
-
- std::string
- generateDisassembly(Addr pc, const SymbolTable *symtab) const;
- };
-}};
-
-output decoder {{
- std::string
- FailUnimplemented::generateDisassembly(Addr pc,
- const SymbolTable *symtab) const
- {
- return csprintf("%-10s (unimplemented)", mnemonic);
- }
-
- std::string
- WarnUnimplemented::generateDisassembly(Addr pc,
- const SymbolTable *symtab) const
- {
- return csprintf("%-10s (unimplemented)", mnemonic);
- }
-}};
-
-output exec {{
- Fault
- FailUnimplemented::execute(ExecContext *xc,
- Trace::InstRecord *traceData) const
- {
- panic("attempt to execute unimplemented instruction '%s' "
- "(inst 0x%08x)", mnemonic, machInst);
- return NoFault;
- }
-
- Fault
- WarnUnimplemented::execute(ExecContext *xc,
- Trace::InstRecord *traceData) const
- {
- if (!warned) {
- warn("instruction '%s' unimplemented\n", mnemonic);
- warned = true;
- }
-
- return NoFault;
- }
-}};
-
-
def format FailUnimpl() {{
iop = InstObjParams(name, 'FailUnimplemented')
decode_block = BasicDecodeWithMnemonic.subst(iop)
diff --git a/src/arch/sparc/isa/includes.isa b/src/arch/sparc/isa/includes.isa
index 9077f7cb0..4a94d2f6d 100644
--- a/src/arch/sparc/isa/includes.isa
+++ b/src/arch/sparc/isa/includes.isa
@@ -44,6 +44,7 @@ output header {{
#include "arch/sparc/insts/priv.hh"
#include "arch/sparc/insts/static_inst.hh"
#include "arch/sparc/insts/trap.hh"
+#include "arch/sparc/insts/unimp.hh"
#include "arch/sparc/insts/unknown.hh"
#include "arch/sparc/isa_traits.hh"
#include "arch/sparc/registers.hh"