#include "cpu/thread_context.hh"
#include "debug/Loader.hh"
#include "debug/WorkItems.hh"
-#include "kern/kernel_stats.hh"
#include "mem/abstract_mem.hh"
#include "mem/physical.hh"
#include "params/System.hh"
#include "sim/full_system.hh"
#include "sim/system.hh"
+/**
+ * To avoid linking errors with LTO, only include the header if we
+ * actually have a definition.
+ */
+#if THE_ISA != NULL_ISA
+#include "kern/kernel_stats.hh"
+#endif
+
using namespace std;
using namespace TheISA;
System::System(Params *p)
: MemObject(p), _systemPort("system_port", this),
_numContexts(0),
+ multiThread(p->multi_thread),
pagePtr(0),
init_param(p->init_param),
physProxy(_systemPort, p->cache_line_size),
loadAddrMask(p->load_addr_mask),
loadAddrOffset(p->load_offset),
nextPID(0),
- physmem(name() + ".physmem", p->memories),
+ physmem(name() + ".physmem", p->memories, p->mmap_using_noreserve),
memoryMode(p->mem_mode),
_cacheLineSize(p->cache_line_size),
workItemsBegin(0),
void
System::setMemoryMode(Enums::MemoryMode mode)
{
- assert(getDrainState() == Drainable::Drained);
+ assert(drainState() == DrainState::Drained);
memoryMode = mode;
}
*/
int rgdb_wait = -1;
-int
-System::registerThreadContext(ThreadContext *tc, int assigned)
+ContextID
+System::registerThreadContext(ThreadContext *tc, ContextID assigned)
{
int id;
- if (assigned == -1) {
+ if (assigned == InvalidContextID) {
for (id = 0; id < threadContexts.size(); id++) {
if (!threadContexts[id])
break;
DPRINTF(Loader, "Kernel loaded...\n");
}
}
-
- activeCpus.clear();
}
void
-System::replaceThreadContext(ThreadContext *tc, int context_id)
+System::replaceThreadContext(ThreadContext *tc, ContextID context_id)
{
if (context_id >= threadContexts.size()) {
panic("replaceThreadContext: bad id, %d >= %d\n",
{
Addr return_addr = pagePtr << PageShift;
pagePtr += npages;
+
+ Addr next_return_addr = pagePtr << PageShift;
+
+ AddrRange m5opRange(0xffff0000, 0xffffffff);
+ if (m5opRange.contains(next_return_addr)) {
+ warn("Reached m5ops MMIO region\n");
+ return_addr = 0xffffffff;
+ pagePtr = 0xffffffff >> PageShift;
+ }
+
if ((pagePtr << PageShift) > physmem.totalSize())
fatal("Out of memory, please increase size of physical memory.");
return return_addr;
return physmem.isMemAddr(addr);
}
-unsigned int
-System::drain(DrainManager *dm)
-{
- setDrainState(Drainable::Drained);
- return 0;
-}
-
void
System::drainResume()
{
- Drainable::drainResume();
totalNumInsts = 0;
}
void
-System::serialize(ostream &os)
+System::serialize(CheckpointOut &cp) const
{
if (FullSystem)
- kernelSymtab->serialize("kernel_symtab", os);
+ kernelSymtab->serialize("kernel_symtab", cp);
SERIALIZE_SCALAR(pagePtr);
SERIALIZE_SCALAR(nextPID);
- serializeSymtab(os);
+ serializeSymtab(cp);
// also serialize the memories in the system
- nameOut(os, csprintf("%s.physmem", name()));
- physmem.serialize(os);
+ physmem.serializeSection(cp, "physmem");
}
void
-System::unserialize(Checkpoint *cp, const string §ion)
+System::unserialize(CheckpointIn &cp)
{
if (FullSystem)
- kernelSymtab->unserialize("kernel_symtab", cp, section);
+ kernelSymtab->unserialize("kernel_symtab", cp);
UNSERIALIZE_SCALAR(pagePtr);
UNSERIALIZE_SCALAR(nextPID);
- unserializeSymtab(cp, section);
+ unserializeSymtab(cp);
// also unserialize the memories in the system
- physmem.unserialize(cp, csprintf("%s.physmem", name()));
+ physmem.unserializeSection(cp, "physmem");
}
void