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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/pc_event.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/pc_event.hh')
-rw-r--r--cpu/pc_event.hh215
1 files changed, 215 insertions, 0 deletions
diff --git a/cpu/pc_event.hh b/cpu/pc_event.hh
new file mode 100644
index 000000000..24442f5f4
--- /dev/null
+++ b/cpu/pc_event.hh
@@ -0,0 +1,215 @@
+/*
+ * 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 __PC_EVENT_HH__
+#define __PC_EVENT_HH__
+
+#include <vector>
+
+#include "mem_req.hh"
+
+class ExecContext;
+class PCEventQueue;
+
+class PCEvent
+{
+ protected:
+ static const Addr badpc = MemReq::inval_addr;
+
+ protected:
+ std::string description;
+ PCEventQueue *queue;
+ Addr evpc;
+
+ public:
+ PCEvent() : queue(0), evpc(badpc) { }
+
+ PCEvent(const std::string &desc)
+ : description(desc), queue(0), evpc(badpc) { }
+
+ PCEvent(PCEventQueue *q, Addr pc = badpc) : queue(q), evpc(pc) { }
+
+ PCEvent(PCEventQueue *q, const std::string &desc, Addr pc = badpc)
+ : description(desc), queue(q), evpc(pc) { }
+
+ virtual ~PCEvent() { if (queue) remove(); }
+
+ std::string descr() const { return description; }
+ Addr pc() const { return evpc; }
+
+ bool remove();
+ bool schedule();
+ bool schedule(Addr pc);
+ bool schedule(PCEventQueue *q, Addr pc);
+ virtual void process(ExecContext *xc) = 0;
+};
+
+class PCEventQueue
+{
+ protected:
+ typedef PCEvent * record_t;
+ class MapCompare {
+ public:
+ bool operator()(const record_t &l, const record_t &r) const {
+ return l->pc() < r->pc();
+ }
+ bool operator()(const record_t &l, Addr pc) const {
+ return l->pc() < pc;
+ }
+ bool operator()(Addr pc, const record_t &r) const {
+ return pc < r->pc();
+ }
+ };
+ typedef std::vector<record_t> map_t;
+
+ public:
+ typedef map_t::iterator iterator;
+ typedef map_t::const_iterator const_iterator;
+
+ protected:
+ typedef std::pair<iterator, iterator> range_t;
+ typedef std::pair<const_iterator, const_iterator> const_range_t;
+
+ protected:
+ map_t pc_map;
+
+ public:
+ PCEventQueue();
+ ~PCEventQueue();
+
+ bool remove(PCEvent *event);
+ bool schedule(PCEvent *event);
+ bool service(ExecContext *xc);
+
+ range_t equal_range(Addr pc);
+ range_t equal_range(PCEvent *event) { return equal_range(event->pc()); }
+
+ void dump() const;
+};
+
+inline bool
+PCEvent::remove()
+{
+ if (!queue)
+ panic("cannot remove an uninitialized event;");
+
+ return queue->remove(this);
+}
+
+inline bool
+PCEvent::schedule()
+{
+ if (!queue || evpc == badpc)
+ panic("cannot schedule an uninitialized event;");
+
+ return queue->schedule(this);
+}
+
+inline bool
+PCEvent::schedule(Addr pc)
+{
+ if (evpc != badpc)
+ panic("cannot switch PC");
+ evpc = pc;
+
+ return schedule();
+}
+
+inline bool
+PCEvent::schedule(PCEventQueue *q, Addr pc)
+{
+ if (queue)
+ panic("cannot switch event queues");
+
+ if (evpc != badpc)
+ panic("cannot switch addresses");
+
+ queue = q;
+ evpc = pc;
+
+ return schedule();
+}
+
+
+#ifdef FULL_SYSTEM
+class SkipFuncEvent : public PCEvent
+{
+ public:
+ SkipFuncEvent(PCEventQueue *q, const std::string &desc)
+ : PCEvent(q, desc) {}
+ virtual void process(ExecContext *xc);
+};
+
+class BadAddrEvent : public SkipFuncEvent
+{
+ public:
+ BadAddrEvent(PCEventQueue *q, const std::string &desc)
+ : SkipFuncEvent(q, desc) {}
+ virtual void process(ExecContext *xc);
+};
+
+class PrintfEvent : public PCEvent
+{
+ public:
+ PrintfEvent(PCEventQueue *q, const std::string &desc)
+ : PCEvent(q, desc) {}
+ virtual void process(ExecContext *xc);
+};
+
+class DebugPrintfEvent : public PCEvent
+{
+ private:
+ bool raw;
+
+ public:
+ DebugPrintfEvent(PCEventQueue *q, const std::string &desc, bool r = false)
+ : PCEvent(q, desc), raw(r) {}
+ virtual void process(ExecContext *xc);
+};
+
+class DumpMbufEvent : public PCEvent
+{
+ public:
+ DumpMbufEvent(PCEventQueue *q, const std::string &desc)
+ : PCEvent(q, desc) {}
+ virtual void process(ExecContext *xc);
+};
+#endif
+
+class BreakPCEvent : public PCEvent
+{
+ protected:
+ bool remove;
+
+ public:
+ BreakPCEvent(PCEventQueue *q, const std::string &desc, bool del = false);
+ virtual void process(ExecContext *xc);
+};
+
+
+#endif // __PC_EVENT_HH__