SConscript: Include new files. arch/alpha/isa_desc: Make the eaCompPtr and memAccPtr non-const so that execute() can be called on them. arch/alpha/isa_traits.hh: Add enum for total number of data registers. arch/isa_parser.py: base/traceflags.py: Include new light-weight OoO CPU model. cpu/base_dyn_inst.cc: cpu/base_dyn_inst.hh: Changes to abstract more away from the base dyn inst class. cpu/beta_cpu/2bit_local_pred.cc: cpu/beta_cpu/2bit_local_pred.hh: cpu/beta_cpu/tournament_pred.cc: cpu/beta_cpu/tournament_pred.hh: Remove redundant SatCounter class. cpu/beta_cpu/alpha_dyn_inst.cc: cpu/beta_cpu/alpha_full_cpu.cc: cpu/beta_cpu/alpha_full_cpu.hh: cpu/beta_cpu/bpred_unit.cc: cpu/beta_cpu/inst_queue.cc: cpu/beta_cpu/mem_dep_unit.cc: cpu/beta_cpu/ras.cc: cpu/beta_cpu/rename_map.cc: cpu/beta_cpu/rename_map.hh: cpu/beta_cpu/rob.cc: Fix for gcc-3.4 cpu/beta_cpu/alpha_dyn_inst.hh: cpu/beta_cpu/alpha_dyn_inst_impl.hh: Fixes for gcc-3.4. Include more variables and functions that are specific to AlphaDynInst which were once in BaseDynInst. cpu/beta_cpu/alpha_full_cpu_builder.cc: Make params match the current params inherited from BaseCPU. cpu/beta_cpu/alpha_full_cpu_impl.hh: Fixes for gcc-3.4 cpu/beta_cpu/full_cpu.cc: Use new params pointer in BaseCPU. Fix for gcc-3.4. cpu/beta_cpu/full_cpu.hh: Use new params class from BaseCPU. cpu/beta_cpu/iew_impl.hh: Remove unused function. cpu/simple_cpu/simple_cpu.cc: Remove unused global variable. cpu/static_inst.hh: Include OoODynInst for new lightweight OoO CPU --HG-- extra : convert_revision : 34d9f2e64ca0313377391e0d059bf09c040286fa
45 lines
813 B
C++
45 lines
813 B
C++
#include "cpu/beta_cpu/ras.hh"
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ReturnAddrStack::ReturnAddrStack(unsigned _numEntries)
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: numEntries(_numEntries), usedEntries(0),
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tos(0)
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{
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addrStack = new Addr[numEntries];
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for (int i = 0; i < numEntries; ++i)
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addrStack[i] = 0;
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}
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void
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ReturnAddrStack::push(const Addr &return_addr)
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{
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incrTos();
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addrStack[tos] = return_addr;
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if (usedEntries != numEntries) {
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++usedEntries;
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}
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}
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void
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ReturnAddrStack::pop()
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{
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// Not sure it's possible to really track usedEntries properly.
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// assert(usedEntries > 0);
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if (usedEntries > 0) {
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--usedEntries;
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}
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decrTos();
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}
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void
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ReturnAddrStack::restore(unsigned top_entry_idx,
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const Addr &restored_target)
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{
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tos = top_entry_idx;
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addrStack[tos] = restored_target;
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}
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