diff options
author | Gabe Black <gblack@eecs.umich.edu> | 2012-01-31 22:40:08 -0800 |
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committer | Gabe Black <gblack@eecs.umich.edu> | 2012-01-31 22:40:08 -0800 |
commit | ea8b347dc5d375572d8d19770024ec8be5fd5017 (patch) | |
tree | 56bb75b1f071a749b7e90218d0d6b0e9265657bb /src/cpu/base.cc | |
parent | e88165a431a90cf7e33e205794caed898ca6fcb1 (diff) | |
parent | 7d4f18770073d968c70cd3ffcdd117f50a6056a2 (diff) | |
download | gem5-ea8b347dc5d375572d8d19770024ec8be5fd5017.tar.xz |
Merge with head, hopefully the last time for this batch.
Diffstat (limited to 'src/cpu/base.cc')
-rw-r--r-- | src/cpu/base.cc | 43 |
1 files changed, 41 insertions, 2 deletions
diff --git a/src/cpu/base.cc b/src/cpu/base.cc index d174995a9..977769126 100644 --- a/src/cpu/base.cc +++ b/src/cpu/base.cc @@ -53,6 +53,7 @@ #include "base/misc.hh" #include "base/output.hh" #include "base/trace.hh" +#include "config/use_checker.hh" #include "cpu/base.hh" #include "cpu/cpuevent.hh" #include "cpu/profile.hh" @@ -65,6 +66,10 @@ #include "sim/sim_exit.hh" #include "sim/system.hh" +#if USE_CHECKER +#include "cpu/checker/cpu.hh" +#endif + // Hack #include "sim/stat_control.hh" @@ -212,7 +217,10 @@ BaseCPU::BaseCPU(Params *p) schedule(event, p->function_trace_start); } } - interrupts->setCPU(this); + // Check if CPU model has interrupts connected. The CheckerCPU + // cannot take interrupts directly for example. + if (interrupts) + interrupts->setCPU(this); if (FullSystem) { profileEvent = NULL; @@ -351,8 +359,10 @@ BaseCPU::switchOut() } void -BaseCPU::takeOverFrom(BaseCPU *oldCPU, Port *ic, Port *dc) +BaseCPU::takeOverFrom(BaseCPU *oldCPU) { + Port *ic = getPort("icache_port"); + Port *dc = getPort("dcache_port"); assert(threadContexts.size() == oldCPU->threadContexts.size()); _cpuId = oldCPU->cpuId(); @@ -396,6 +406,35 @@ BaseCPU::takeOverFrom(BaseCPU *oldCPU, Port *ic, Port *dc) new_dtb_port->setPeer(peer); peer->setPeer(new_dtb_port); } + +#if USE_CHECKER + Port *old_checker_itb_port, *old_checker_dtb_port; + Port *new_checker_itb_port, *new_checker_dtb_port; + + CheckerCPU *oldChecker = + dynamic_cast<CheckerCPU*>(oldTC->getCheckerCpuPtr()); + CheckerCPU *newChecker = + dynamic_cast<CheckerCPU*>(newTC->getCheckerCpuPtr()); + old_checker_itb_port = oldChecker->getITBPtr()->getPort(); + old_checker_dtb_port = oldChecker->getDTBPtr()->getPort(); + new_checker_itb_port = newChecker->getITBPtr()->getPort(); + new_checker_dtb_port = newChecker->getDTBPtr()->getPort(); + + // Move over any table walker ports if they exist for checker + if (new_checker_itb_port && !new_checker_itb_port->isConnected()) { + assert(old_checker_itb_port); + Port *peer = old_checker_itb_port->getPeer();; + new_checker_itb_port->setPeer(peer); + peer->setPeer(new_checker_itb_port); + } + if (new_checker_dtb_port && !new_checker_dtb_port->isConnected()) { + assert(old_checker_dtb_port); + Port *peer = old_checker_dtb_port->getPeer();; + new_checker_dtb_port->setPeer(peer); + peer->setPeer(new_checker_dtb_port); + } +#endif + } interrupts = oldCPU->interrupts; |