diff options
Diffstat (limited to 'sim/pc_event.cc')
| -rw-r--r-- | sim/pc_event.cc | 231 |
1 files changed, 0 insertions, 231 deletions
diff --git a/sim/pc_event.cc b/sim/pc_event.cc deleted file mode 100644 index 4de425199..000000000 --- a/sim/pc_event.cc +++ /dev/null @@ -1,231 +0,0 @@ -/* - * 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. - */ - -#include <algorithm> -#include <map> -#include <string> -#include <utility> - -#include "debug.hh" -#include "exec_context.hh" -#include "pc_event.hh" -#include "trace.hh" -#include "universe.hh" - -#ifdef FULL_SYSTEM -#include "arguments.hh" -#include "pmap.h" -#include "kernel.hh" -#include "memory_control.hh" -#include "cpu.hh" -#include "system.hh" -#include "bpred.hh" -#endif - -using namespace std; - -PCEventQueue::PCEventQueue() -{} - -PCEventQueue::~PCEventQueue() -{} - -bool -PCEventQueue::remove(PCEvent *event) -{ - int removed = 0; - range_t range = equal_range(event); - for (iterator i = range.first; i != range.second; ++i) { - if (*i == event) { - DPRINTF(PCEvent, "PC based event removed at %#x: %s\n", - event->pc(), event->descr()); - pc_map.erase(i); - ++removed; - } - } - - return removed > 0; -} - -bool -PCEventQueue::schedule(PCEvent *event) -{ - pc_map.push_back(event); - sort(pc_map.begin(), pc_map.end(), MapCompare()); - - DPRINTF(PCEvent, "PC based event scheduled for %#x: %s\n", - event->pc(), event->descr()); - - return true; -} - -bool -PCEventQueue::service(ExecContext *xc) -{ - Addr pc = xc->regs.pc; - int serviced = 0; - range_t range = equal_range(pc); - for (iterator i = range.first; i != range.second; ++i) { - // Make sure that the pc wasn't changed as the side effect of - // another event. This for example, prevents two invocations - // of the SkipFuncEvent. Maybe we should have separate PC - // event queues for each processor? - if (pc != xc->regs.pc) - continue; - - DPRINTF(PCEvent, "PC based event serviced at %#x: %s\n", - (*i)->pc(), (*i)->descr()); - - (*i)->process(xc); - ++serviced; - } - - return serviced > 0; -} - -void -PCEventQueue::dump() const -{ - const_iterator i = pc_map.begin(); - const_iterator e = pc_map.end(); - - for (; i != e; ++i) - cprintf("%d: event at %#x: %s\n", curTick, (*i)->pc(), - (*i)->descr()); -} - -PCEventQueue::range_t -PCEventQueue::equal_range(Addr pc) -{ - return std::equal_range(pc_map.begin(), pc_map.end(), pc, MapCompare()); -} - -#ifdef FULL_SYSTEM -void -SkipFuncEvent::process(ExecContext *xc) -{ - Addr newpc = xc->regs.intRegFile[ReturnAddressReg]; - - DPRINTF(PCEvent, "skipping %s: pc=%x, newpc=%x\n", description, - xc->regs.pc, newpc); - - xc->regs.pc = newpc; - xc->regs.npc = xc->regs.pc + sizeof(MachInst); - - BranchPred *bp = xc->cpu->getBranchPred(); - if (bp != NULL) { - bp->popRAS(xc->thread_num); - } -} - -void -BadAddrEvent::process(ExecContext *xc) -{ - // The following gross hack is the equivalent function to the - // annotation for vmunix::badaddr in: - // simos/simulation/apps/tcl/osf/tlaser.tcl - - uint64_t a0 = xc->regs.intRegFile[ArgumentReg0]; - - if (a0 < ALPHA_K0SEG_BASE || a0 >= ALPHA_K1SEG_BASE || - xc->memCtrl->badaddr(ALPHA_K0SEG_TO_PHYS(a0) & PA_IMPL_MASK)) { - - DPRINTF(BADADDR, "badaddr arg=%#x bad\n", a0); - xc->regs.intRegFile[ReturnValueReg] = 0x1; - SkipFuncEvent::process(xc); - } - else - DPRINTF(BADADDR, "badaddr arg=%#x good\n", a0); -} - -void -PrintfEvent::process(ExecContext *xc) -{ - if (DTRACE(Printf)) { - DebugOut() << curTick << ": " << xc->cpu->name() << ": "; - - AlphaArguments args(xc); - Kernel::Printf(args); - } -} - -void -DebugPrintfEvent::process(ExecContext *xc) -{ - if (DTRACE(DebugPrintf)) { - if (!raw) - DebugOut() << curTick << ": " << xc->cpu->name() << ": "; - - AlphaArguments args(xc); - Kernel::Printf(args); - } -} - -void -DumpMbufEvent::process(ExecContext *xc) -{ - if (DTRACE(DebugPrintf)) { - AlphaArguments args(xc); - Kernel::DumpMbuf(args); - } -} -#endif - -BreakPCEvent::BreakPCEvent(PCEventQueue *q, const std::string &desc, bool del) - : PCEvent(q, desc), remove(del) -{ -} - -void -BreakPCEvent::process(ExecContext *xc) -{ - debug_break(); - if (remove) - delete this; -} - -#ifdef FULL_SYSTEM -extern "C" -void -sched_break_pc_sys(System *sys, Addr addr) -{ - PCEvent *event = new BreakPCEvent(&sys->pcEventQueue, "debug break", true); - event->schedule(addr); -} - -extern "C" -void -sched_break_pc(Addr addr) -{ - for (vector<System *>::iterator sysi = System::systemList.begin(); - sysi != System::systemList.end(); ++sysi) { - sched_break_pc_sys(*sysi, addr); - } - -} -#endif |