diff options
Diffstat (limited to 'src/arch/alpha/isa/decoder.isa')
-rw-r--r-- | src/arch/alpha/isa/decoder.isa | 70 |
1 files changed, 36 insertions, 34 deletions
diff --git a/src/arch/alpha/isa/decoder.isa b/src/arch/alpha/isa/decoder.isa index f41c46ac1..fbdb119b6 100644 --- a/src/arch/alpha/isa/decoder.isa +++ b/src/arch/alpha/isa/decoder.isa @@ -25,6 +25,8 @@ // 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: Steve Reinhardt //////////////////////////////////////////////////////////////////// // @@ -78,7 +80,7 @@ decode OPCODE default Unknown::unknown() { uint64_t tmp = write_result; // see stq_c Ra = (tmp == 0 || tmp == 1) ? tmp : Ra; - }}, mem_flags = LOCKED); + }}, mem_flags = LOCKED, inst_flags = IsStoreConditional); 0x2f: stq_c({{ Mem.uq = Ra; }}, {{ uint64_t tmp = write_result; @@ -90,7 +92,7 @@ decode OPCODE default Unknown::unknown() { // mailbox access, and we don't update the // result register at all. Ra = (tmp == 0 || tmp == 1) ? tmp : Ra; - }}, mem_flags = LOCKED); + }}, mem_flags = LOCKED, inst_flags = IsStoreConditional); } format IntegerOperate { @@ -596,8 +598,8 @@ decode OPCODE default Unknown::unknown() { 0x02e: fcmovle({{ Fc = (Fa <= 0) ? Fb : Fc; }}); 0x02f: fcmovgt({{ Fc = (Fa > 0) ? Fb : Fc; }}); - 0x024: mt_fpcr({{ FPCR = Fa.uq; }}); - 0x025: mf_fpcr({{ Fa.uq = FPCR; }}); + 0x024: mt_fpcr({{ FPCR = Fa.uq; }}, IsIprAccess); + 0x025: mf_fpcr({{ Fa.uq = FPCR; }}, IsIprAccess); } } @@ -628,7 +630,7 @@ decode OPCODE default Unknown::unknown() { #else Ra = curTick; #endif - }}); + }}, IsUnverifiable); // All of the barrier instructions below do nothing in // their execute() methods (hence the empty code blocks). @@ -646,8 +648,8 @@ decode OPCODE default Unknown::unknown() { // a barrier on integer and FP traps. "EXCB is thus a // superset of TRAPB." (Alpha ARM, Sec 4.11.4) We treat // them the same though. - 0x0000: trapb({{ }}, IsSerializing, No_OpClass); - 0x0400: excb({{ }}, IsSerializing, No_OpClass); + 0x0000: trapb({{ }}, IsSerializing, IsSerializeBefore, No_OpClass); + 0x0400: excb({{ }}, IsSerializing, IsSerializeBefore, No_OpClass); 0x4000: mb({{ }}, IsMemBarrier, MemReadOp); 0x4400: wmb({{ }}, IsWriteBarrier, MemWriteOp); } @@ -695,15 +697,15 @@ decode OPCODE default Unknown::unknown() { 0x00: decode PALFUNC { format EmulatedCallPal { 0x00: halt ({{ - SimExit(curTick, "halt instruction encountered"); + exitSimLoop(curTick, "halt instruction encountered"); }}, IsNonSpeculative); 0x83: callsys({{ xc->syscall(R0); }}, IsNonSpeculative); // Read uniq reg into ABI return value register (r0) - 0x9e: rduniq({{ R0 = Runiq; }}); + 0x9e: rduniq({{ R0 = Runiq; }}, IsIprAccess); // Write uniq reg with value from ABI arg register (r16) - 0x9f: wruniq({{ Runiq = R16; }}); + 0x9f: wruniq({{ Runiq = R16; }}, IsIprAccess); } } #endif @@ -740,7 +742,7 @@ decode OPCODE default Unknown::unknown() { format HwMoveIPR { 1: hw_mfpr({{ Ra = xc->readMiscRegWithEffect(ipr_index, fault); - }}); + }}, IsIprAccess); } } @@ -750,69 +752,69 @@ decode OPCODE default Unknown::unknown() { 1: hw_mtpr({{ xc->setMiscRegWithEffect(ipr_index, Ra); if (traceData) { traceData->setData(Ra); } - }}); + }}, IsIprAccess); } } format BasicOperate { 0x1e: decode PALMODE { 0: OpcdecFault::hw_rei(); - 1:hw_rei({{ xc->hwrei(); }}, IsSerializing); + 1:hw_rei({{ xc->hwrei(); }}, IsSerializing, IsSerializeBefore); } // M5 special opcodes use the reserved 0x01 opcode space 0x01: decode M5FUNC { 0x00: arm({{ - AlphaPseudo::arm(xc->xcBase()); + AlphaPseudo::arm(xc->tcBase()); }}, IsNonSpeculative); 0x01: quiesce({{ - AlphaPseudo::quiesce(xc->xcBase()); - }}, IsNonSpeculative); + AlphaPseudo::quiesce(xc->tcBase()); + }}, IsNonSpeculative, IsQuiesce); 0x02: quiesceNs({{ - AlphaPseudo::quiesceNs(xc->xcBase(), R16); - }}, IsNonSpeculative); + AlphaPseudo::quiesceNs(xc->tcBase(), R16); + }}, IsNonSpeculative, IsQuiesce); 0x03: quiesceCycles({{ - AlphaPseudo::quiesceCycles(xc->xcBase(), R16); - }}, IsNonSpeculative); + AlphaPseudo::quiesceCycles(xc->tcBase(), R16); + }}, IsNonSpeculative, IsQuiesce); 0x04: quiesceTime({{ - R0 = AlphaPseudo::quiesceTime(xc->xcBase()); + R0 = AlphaPseudo::quiesceTime(xc->tcBase()); }}, IsNonSpeculative); 0x10: ivlb({{ - AlphaPseudo::ivlb(xc->xcBase()); + AlphaPseudo::ivlb(xc->tcBase()); }}, No_OpClass, IsNonSpeculative); 0x11: ivle({{ - AlphaPseudo::ivle(xc->xcBase()); + AlphaPseudo::ivle(xc->tcBase()); }}, No_OpClass, IsNonSpeculative); 0x20: m5exit_old({{ - AlphaPseudo::m5exit_old(xc->xcBase()); + AlphaPseudo::m5exit_old(xc->tcBase()); }}, No_OpClass, IsNonSpeculative); 0x21: m5exit({{ - AlphaPseudo::m5exit(xc->xcBase(), R16); + AlphaPseudo::m5exit(xc->tcBase(), R16); }}, No_OpClass, IsNonSpeculative); - 0x30: initparam({{ Ra = xc->xcBase()->getCpuPtr()->system->init_param; }}); + 0x30: initparam({{ Ra = xc->tcBase()->getCpuPtr()->system->init_param; }}); 0x40: resetstats({{ - AlphaPseudo::resetstats(xc->xcBase(), R16, R17); + AlphaPseudo::resetstats(xc->tcBase(), R16, R17); }}, IsNonSpeculative); 0x41: dumpstats({{ - AlphaPseudo::dumpstats(xc->xcBase(), R16, R17); + AlphaPseudo::dumpstats(xc->tcBase(), R16, R17); }}, IsNonSpeculative); 0x42: dumpresetstats({{ - AlphaPseudo::dumpresetstats(xc->xcBase(), R16, R17); + AlphaPseudo::dumpresetstats(xc->tcBase(), R16, R17); }}, IsNonSpeculative); 0x43: m5checkpoint({{ - AlphaPseudo::m5checkpoint(xc->xcBase(), R16, R17); + AlphaPseudo::m5checkpoint(xc->tcBase(), R16, R17); }}, IsNonSpeculative); 0x50: m5readfile({{ - R0 = AlphaPseudo::readfile(xc->xcBase(), R16, R17, R18); + R0 = AlphaPseudo::readfile(xc->tcBase(), R16, R17, R18); }}, IsNonSpeculative); 0x51: m5break({{ - AlphaPseudo::debugbreak(xc->xcBase()); + AlphaPseudo::debugbreak(xc->tcBase()); }}, IsNonSpeculative); 0x52: m5switchcpu({{ - AlphaPseudo::switchcpu(xc->xcBase()); + AlphaPseudo::switchcpu(xc->tcBase()); }}, IsNonSpeculative); 0x53: m5addsymbol({{ - AlphaPseudo::addsymbol(xc->xcBase(), R16, R17); + AlphaPseudo::addsymbol(xc->tcBase(), R16, R17); }}, IsNonSpeculative); 0x54: m5panic({{ panic("M5 panic instruction called at pc=%#x.", xc->readPC()); |