1/*
2 * Copyright (c) 2010 ARM Limited
3 * All rights reserved
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software

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36 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
37 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
38 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
39 *
40 * Authors: Kevin Lim
41 * Korey Sewell
42 */
43
44#include "arch/locked_mem.hh"
45#include "base/str.hh"
46#include "config/the_isa.hh"
47#include "config/use_checker.hh"
48#include "cpu/o3/lsq.hh"
49#include "cpu/o3/lsq_unit.hh"
50#include "debug/Activity.hh"
51#include "debug/IEW.hh"

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534 ld_inst->seqNum < memDepViolator->seqNum) {
535 DPRINTF(LSQUnit, "Detected fault with inst [sn:%lli] "
536 " and [sn:%lli] at address %#x\n", inst->seqNum,
537 ld_inst->seqNum, ld_eff_addr1);
538 memDepViolator = ld_inst;
539
540 ++lsqMemOrderViolation;
541
542 return TheISA::genMachineCheckFault();
543 }
544 }
545
546 // Otherwise, mark the load has a possible load violation
547 // and if we see a snoop before it's commited, we need to squash
548 ld_inst->possibleLoadViolation = true;
549 DPRINTF(LSQUnit, "Found possible load violaiton at addr: %#x"
550 " between instructions [sn:%lli] and [sn:%lli]\n",

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558
559 DPRINTF(LSQUnit, "Detected fault with inst [sn:%lli] and [sn:%lli]"
560 " at address %#x\n", inst->seqNum, ld_inst->seqNum,
561 ld_eff_addr1);
562 memDepViolator = ld_inst;
563
564 ++lsqMemOrderViolation;
565
566 return TheISA::genMachineCheckFault();
567 }
568 }
569
570 incrLdIdx(load_idx);
571 }
572 return NoFault;
573}
574

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