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-rw-r--r--src/sim/system.cc72
1 files changed, 45 insertions, 27 deletions
diff --git a/src/sim/system.cc b/src/sim/system.cc
index 10b9b1217..d16524c41 100644
--- a/src/sim/system.cc
+++ b/src/sim/system.cc
@@ -42,6 +42,7 @@
#include "mem/physical.hh"
#include "sim/byteswap.hh"
#include "sim/system.hh"
+#include "sim/debug.hh"
#if FULL_SYSTEM
#include "arch/vtophys.hh"
#include "kern/kernel_stats.hh"
@@ -57,7 +58,7 @@ vector<System *> System::systemList;
int System::numSystemsRunning = 0;
System::System(Params *p)
- : SimObject(p), physmem(p->physmem), numcpus(0),
+ : SimObject(p), physmem(p->physmem), _numContexts(0),
#if FULL_SYSTEM
init_param(p->init_param),
functionalPort(p->name + "-fport"),
@@ -94,12 +95,12 @@ System::System(Params *p)
* Load the kernel code into memory
*/
if (params()->kernel == "") {
- warn("No kernel set for full system simulation. Assuming you know what"
+ inform("No kernel set for full system simulation. Assuming you know what"
" you're doing...\n");
} else {
// Load kernel code
kernel = createObjectFile(params()->kernel);
- warn("kernel located at: %s", params()->kernel);
+ inform("kernel located at: %s", params()->kernel);
if (kernel == NULL)
fatal("Could not load kernel file %s", params()->kernel);
@@ -114,16 +115,16 @@ System::System(Params *p)
// load symbols
if (!kernel->loadGlobalSymbols(kernelSymtab))
- panic("could not load kernel symbols\n");
+ fatal("could not load kernel symbols\n");
if (!kernel->loadLocalSymbols(kernelSymtab))
- panic("could not load kernel local symbols\n");
+ fatal("could not load kernel local symbols\n");
if (!kernel->loadGlobalSymbols(debugSymbolTable))
- panic("could not load kernel symbols\n");
+ fatal("could not load kernel symbols\n");
if (!kernel->loadLocalSymbols(debugSymbolTable))
- panic("could not load kernel local symbols\n");
+ fatal("could not load kernel local symbols\n");
DPRINTF(Loader, "Kernel start = %#x\n", kernelStart);
DPRINTF(Loader, "Kernel end = %#x\n", kernelEnd);
@@ -165,27 +166,33 @@ bool System::breakpoint()
}
int
-System::registerThreadContext(ThreadContext *tc, int id)
+System::registerThreadContext(ThreadContext *tc, int assigned)
{
- if (id == -1) {
+ int id;
+ if (assigned == -1) {
for (id = 0; id < threadContexts.size(); id++) {
if (!threadContexts[id])
break;
}
- }
- if (threadContexts.size() <= id)
- threadContexts.resize(id + 1);
+ if (threadContexts.size() <= id)
+ threadContexts.resize(id + 1);
+ } else {
+ if (threadContexts.size() <= assigned)
+ threadContexts.resize(assigned + 1);
+ id = assigned;
+ }
if (threadContexts[id])
- panic("Cannot have two CPUs with the same id (%d)\n", id);
+ fatal("Cannot have two CPUs with the same id (%d)\n", id);
threadContexts[id] = tc;
- numcpus++;
+ _numContexts++;
- if (rgdb_enable) {
+ int port = getRemoteGDBPort();
+ if (rgdb_enable && port) {
RemoteGDB *rgdb = new RemoteGDB(this, tc);
- GDBListener *gdbl = new GDBListener(rgdb, 7000 + id);
+ GDBListener *gdbl = new GDBListener(rgdb, port + id);
gdbl->listen();
/**
* Uncommenting this line waits for a remote debugger to
@@ -207,22 +214,24 @@ System::registerThreadContext(ThreadContext *tc, int id)
void
System::startup()
{
+#if FULL_SYSTEM
int i;
for (i = 0; i < threadContexts.size(); i++)
TheISA::startupCPU(threadContexts[i], i);
+#endif
}
void
-System::replaceThreadContext(ThreadContext *tc, int id)
+System::replaceThreadContext(ThreadContext *tc, int context_id)
{
- if (id >= threadContexts.size()) {
+ if (context_id >= threadContexts.size()) {
panic("replaceThreadContext: bad id, %d >= %d\n",
- id, threadContexts.size());
+ context_id, threadContexts.size());
}
- threadContexts[id] = tc;
- if (id < remoteGDB.size())
- remoteGDB[id]->replaceThreadContext(tc);
+ threadContexts[context_id] = tc;
+ if (context_id < remoteGDB.size())
+ remoteGDB[context_id]->replaceThreadContext(tc);
}
#if !FULL_SYSTEM
@@ -235,6 +244,19 @@ System::new_page()
fatal("Out of memory, please increase size of physical memory.");
return return_addr;
}
+
+Addr
+System::memSize()
+{
+ return physmem->size();
+}
+
+Addr
+System::freeMemSize()
+{
+ return physmem->size() - (page_ptr << LogVMPageSize);
+}
+
#endif
void
@@ -283,11 +305,7 @@ const char *System::MemoryModeStrings[3] = {"invalid", "atomic",
System *
SystemParams::create()
{
- System::Params *p = new System::Params;
- p->name = name;
- p->physmem = physmem;
- p->mem_mode = mem_mode;
- return new System(p);
+ return new System(this);
}
#endif