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authorSteve Reinhardt <stever@eecs.umich.edu>2003-10-10 09:57:26 -0700
committerSteve Reinhardt <stever@eecs.umich.edu>2003-10-10 09:57:26 -0700
commit52b31ea0a6a15b4a88530cfe411224d750e37899 (patch)
tree6315a9be6545c32bbe975095b1803f156bbcebd1 /cpu/base_cpu.hh
parent9e7f6da14195f00333df22a77ca4ed8d62bf8140 (diff)
downloadgem5-52b31ea0a6a15b4a88530cfe411224d750e37899.tar.xz
File moves for the reorg. Tree is in broken state until I commit the makefile and
#include changes. --HG-- rename : sim/cache/lzss_compression.cc => base/compression/lzss_compression.cc rename : sim/cache/lzss_compression.hh => base/compression/lzss_compression.hh rename : sim/cache/null_compression.hh => base/compression/null_compression.hh rename : sim/hybrid_pred.cc => base/hybrid_pred.cc rename : sim/hybrid_pred.hh => base/hybrid_pred.hh rename : base/aout_object.cc => base/loader/aout_object.cc rename : base/aout_object.hh => base/loader/aout_object.hh rename : base/coff_sym.h => base/loader/coff_sym.h rename : base/coff_symconst.h => base/loader/coff_symconst.h rename : base/ecoff_object.cc => base/loader/ecoff_object.cc rename : base/ecoff_object.hh => base/loader/ecoff_object.hh rename : base/elf_object.cc => base/loader/elf_object.cc rename : base/elf_object.hh => base/loader/elf_object.hh rename : base/exec_aout.h => base/loader/exec_aout.h rename : base/exec_ecoff.h => base/loader/exec_ecoff.h rename : base/object_file.cc => base/loader/object_file.cc rename : base/object_file.hh => base/loader/object_file.hh rename : base/symtab.cc => base/loader/symtab.cc rename : base/symtab.hh => base/loader/symtab.hh rename : sim/predictor.hh => base/predictor.hh rename : sim/sat_counter.cc => base/sat_counter.cc rename : sim/sat_counter.hh => base/sat_counter.hh rename : sim/base_cpu.cc => cpu/base_cpu.cc rename : sim/base_cpu.hh => cpu/base_cpu.hh rename : sim/exec_context.cc => cpu/exec_context.cc rename : sim/exec_context.hh => cpu/exec_context.hh rename : sim/exetrace.cc => cpu/exetrace.cc rename : sim/exetrace.hh => cpu/exetrace.hh rename : sim/op_class.hh => cpu/full_cpu/op_class.hh rename : sim/smt.hh => cpu/full_cpu/smt.hh rename : sim/inst_seq.hh => cpu/inst_seq.hh rename : sim/intr_control.cc => cpu/intr_control.cc rename : sim/intr_control.hh => cpu/intr_control.hh rename : sim/memtest.cc => cpu/memtest/memtest.cc rename : sim/memtest.hh => cpu/memtest/memtest.hh rename : sim/pc_event.cc => cpu/pc_event.cc rename : sim/pc_event.hh => cpu/pc_event.hh rename : sim/simple_cpu.cc => cpu/simple_cpu/simple_cpu.cc rename : sim/simple_cpu.hh => cpu/simple_cpu/simple_cpu.hh rename : sim/static_inst.cc => cpu/static_inst.cc rename : sim/static_inst.hh => cpu/static_inst.hh extra : convert_revision : 05bd41acb2a424f1a38609fd4ac6df681bb479d6
Diffstat (limited to 'cpu/base_cpu.hh')
-rw-r--r--cpu/base_cpu.hh122
1 files changed, 122 insertions, 0 deletions
diff --git a/cpu/base_cpu.hh b/cpu/base_cpu.hh
new file mode 100644
index 000000000..745220d85
--- /dev/null
+++ b/cpu/base_cpu.hh
@@ -0,0 +1,122 @@
+/*
+ * Copyright (c) 2003 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.
+ */
+
+#ifndef __BASE_CPU_HH__
+#define __BASE_CPU_HH__
+
+#include <vector>
+
+#include "eventq.hh"
+#include "sim_object.hh"
+
+#include "isa_traits.hh" // for Addr
+
+#ifdef FULL_SYSTEM
+class System;
+#endif
+
+class BranchPred;
+class ExecContext;
+
+class BaseCPU : public SimObject
+{
+#ifdef FULL_SYSTEM
+ protected:
+ int number;
+ Tick frequency;
+ uint8_t interrupts[NumInterruptLevels];
+ uint64_t intstatus;
+
+ public:
+ virtual void post_interrupt(int int_num, int index);
+ virtual void clear_interrupt(int int_num, int index);
+ virtual void clear_interrupts();
+
+ bool check_interrupt(int int_num) const {
+ if (int_num > NumInterruptLevels)
+ panic("int_num out of bounds\n");
+
+ return interrupts[int_num] != 0;
+ }
+
+ bool check_interrupts() const { return intstatus != 0; }
+ uint64_t intr_status() const { return intstatus; }
+
+ Tick getFreq() const { return frequency; }
+#endif
+
+ protected:
+ std::vector<ExecContext *> contexts;
+
+ public:
+ virtual void execCtxStatusChg() {}
+
+ public:
+
+#ifdef FULL_SYSTEM
+ BaseCPU(const std::string &_name, int _number_of_threads,
+ Counter max_insts_any_thread, Counter max_insts_all_threads,
+ System *_system,
+ int num, Tick freq);
+#else
+ BaseCPU(const std::string &_name, int _number_of_threads,
+ Counter max_insts_any_thread = 0,
+ Counter max_insts_all_threads = 0);
+#endif
+
+ virtual ~BaseCPU() {}
+
+ virtual void regStats();
+
+ /// Number of threads we're actually simulating (<= SMT_MAX_THREADS).
+ /// This is a constant for the duration of the simulation.
+ int number_of_threads;
+
+ /// Vector of per-thread instruction-based event queues. Used for
+ /// scheduling events based on number of instructions committed by
+ /// a particular thread.
+ EventQueue **comInsnEventQueue;
+
+#ifdef FULL_SYSTEM
+ System *system;
+#endif
+
+ virtual bool filterThisInstructionPrefetch(int thread_number,
+ short asid, Addr prefetchTarget) const { return true; }
+
+ /// Return pointer to CPU's branch predictor (NULL if none).
+ virtual BranchPred *getBranchPred() { return NULL; };
+
+ private:
+ static std::vector<BaseCPU *> cpuList; //!< Static global cpu list
+
+ public:
+ static int numSimulatedCPUs() { return cpuList.size(); }
+};
+
+#endif // __BASE_CPU_HH__