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authorGabe Black <gblack@eecs.umich.edu>2006-11-24 22:06:33 -0500
committerGabe Black <gblack@eecs.umich.edu>2006-11-24 22:06:33 -0500
commitf2daf210f1cac2dd0a102b9d796fb700d4be92d1 (patch)
tree1dc9b27d0fc042d470777dc62a69f89e2d2a81cd /src/cpu/o3/sparc/dyn_inst_impl.hh
parent5f446e36b645516839312735d9063ceda4facead (diff)
downloadgem5-f2daf210f1cac2dd0a102b9d796fb700d4be92d1.tar.xz
Initial changes to get O3 working with SPARC
src/arch/sparc/process.cc: MachineBytes doesn't exist any more. src/arch/sparc/regfile.cc: Add in the miscRegFile for good measure. src/cpu/o3/isa_specific.hh: Add in a section for SPARC src/cpu/o3/sparc/cpu.cc: src/cpu/o3/sparc/cpu.hh: src/cpu/o3/sparc/cpu_builder.cc: src/cpu/o3/sparc/cpu_impl.hh: src/cpu/o3/sparc/dyn_inst.cc: src/cpu/o3/sparc/dyn_inst.hh: src/cpu/o3/sparc/dyn_inst_impl.hh: src/cpu/o3/sparc/impl.hh: src/cpu/o3/sparc/params.hh: src/cpu/o3/sparc/thread_context.cc: src/cpu/o3/sparc/thread_context.hh: Sparc version of this file. --HG-- extra : convert_revision : 34bb5218f802d0a1328132a518cdd769fb59b6a4
Diffstat (limited to 'src/cpu/o3/sparc/dyn_inst_impl.hh')
-rw-r--r--src/cpu/o3/sparc/dyn_inst_impl.hh139
1 files changed, 139 insertions, 0 deletions
diff --git a/src/cpu/o3/sparc/dyn_inst_impl.hh b/src/cpu/o3/sparc/dyn_inst_impl.hh
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+/*
+ * Copyright (c) 2004-2006 The Regents of The University of Michigan
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * 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: Gabe Black
+ */
+
+#include "cpu/o3/sparc/dyn_inst.hh"
+
+template <class Impl>
+SparcDynInst<Impl>::SparcDynInst(TheISA::ExtMachInst inst, Addr PC,
+ Addr Pred_PC, InstSeqNum seq_num, O3CPU *cpu)
+ : BaseDynInst<Impl>(inst, PC, Pred_PC, seq_num, cpu)
+{
+ initVars();
+}
+
+template <class Impl>
+SparcDynInst<Impl>::SparcDynInst(StaticInstPtr &_staticInst)
+ : BaseDynInst<Impl>(_staticInst)
+{
+ initVars();
+}
+
+template <class Impl>
+void
+SparcDynInst<Impl>::initVars()
+{
+ // Make sure to have the renamed register entries set to the same
+ // as the normal register entries. It will allow the IQ to work
+ // without any modifications.
+ for (int i = 0; i < this->staticInst->numDestRegs(); i++) {
+ _destRegIdx[i] = this->staticInst->destRegIdx(i);
+ }
+
+ for (int i = 0; i < this->staticInst->numSrcRegs(); i++) {
+ _srcRegIdx[i] = this->staticInst->srcRegIdx(i);
+ this->_readySrcRegIdx[i] = 0;
+ }
+}
+
+template <class Impl>
+Fault
+SparcDynInst<Impl>::execute()
+{
+ // @todo: Pretty convoluted way to avoid squashing from happening
+ // when using the TC during an instruction's execution
+ // (specifically for instructions that have side-effects that use
+ // the TC). Fix this.
+ bool in_syscall = this->thread->inSyscall;
+ this->thread->inSyscall = true;
+
+ this->fault = this->staticInst->execute(this, this->traceData);
+
+ this->thread->inSyscall = in_syscall;
+
+ return this->fault;
+}
+
+template <class Impl>
+Fault
+SparcDynInst<Impl>::initiateAcc()
+{
+ // @todo: Pretty convoluted way to avoid squashing from happening
+ // when using the TC during an instruction's execution
+ // (specifically for instructions that have side-effects that use
+ // the TC). Fix this.
+ bool in_syscall = this->thread->inSyscall;
+ this->thread->inSyscall = true;
+
+ this->fault = this->staticInst->initiateAcc(this, this->traceData);
+
+ this->thread->inSyscall = in_syscall;
+
+ return this->fault;
+}
+
+template <class Impl>
+Fault
+SparcDynInst<Impl>::completeAcc(PacketPtr pkt)
+{
+ this->fault = this->staticInst->completeAcc(pkt, this, this->traceData);
+
+ return this->fault;
+}
+
+#if FULL_SYSTEM
+template <class Impl>
+Fault
+SparcDynInst<Impl>::hwrei()
+{
+ return NoFault;
+}
+
+template <class Impl>
+void
+SparcDynInst<Impl>::trap(Fault fault)
+{
+ this->cpu->trap(fault, this->threadNumber);
+}
+
+template <class Impl>
+bool
+SparcDynInst<Impl>::simPalCheck(int palFunc)
+{
+ return this->cpu->simPalCheck(palFunc, this->threadNumber);
+}
+#else
+template <class Impl>
+void
+SparcDynInst<Impl>::syscall(int64_t callnum)
+{
+ this->cpu->syscall(callnum, this->threadNumber);
+}
+#endif
+