syscalls: fix latent brk/obreak bug.

[gem5.git] / src / sim / faults.cc

diff --git a/src/sim/faults.cc b/src/sim/faults.cc
index 6a598a3f43184319e2daf549106e76f49ab0ae26..0fe85378516f0b0a2880c196d7ffd73fe2264d2e 100644 (file)
--- a/src/sim/faults.cc
+++ b/src/sim/faults.cc
@@ -29,27 +29,46 @@
  *          Gabe Black
  */
 
+#include "arch/isa_traits.hh"
 #include "base/misc.hh"
-#include "sim/faults.hh"
-#include "cpu/exec_context.hh"
+#include "cpu/thread_context.hh"
 #include "cpu/base.hh"
+#include "sim/faults.hh"
+#include "sim/process.hh"
+#include "mem/page_table.hh"
 
 #if !FULL_SYSTEM
-void FaultBase::invoke(ExecContext * xc)
+void FaultBase::invoke(ThreadContext * tc)
 {
-    fatal("fault (%s) detected @ PC 0x%08p", name(), xc->readPC());
+    fatal("fault (%s) detected @ PC %p", name(), tc->readPC());
 }
 #else
-void FaultBase::invoke(ExecContext * xc)
+void FaultBase::invoke(ThreadContext * tc)
 {
-    DPRINTF(Fault, "Fault %s at PC: %#x\n", name(), xc->readPC());
-    xc->getCpuPtr()->recordEvent(csprintf("Fault %s", name()));
+    DPRINTF(Fault, "Fault %s at PC: %#x\n", name(), tc->readPC());
+    tc->getCpuPtr()->recordEvent(csprintf("Fault %s", name()));
 
-    assert(!xc->misspeculating());
+    assert(!tc->misspeculating());
 }
 #endif
 
-void UnimpFault::invoke(ExecContext * xc)
+void UnimpFault::invoke(ThreadContext * tc)
+{
+    fatal("Unimpfault: %s\n", panicStr.c_str());
+}
+
+#if !FULL_SYSTEM
+void GenericPageTableFault::invoke(ThreadContext *tc)
+{
+    Process *p = tc->getProcessPtr();
+
+    if (!p->checkAndAllocNextPage(vaddr))
+        panic("Page table fault when accessing virtual address %#x\n", vaddr);
+
+}
+
+void GenericAlignmentFault::invoke(ThreadContext *tc)
 {
-    panic("Unimpfault: %s\n", panicStr.c_str());
+    panic("Alignment fault when accessing virtual address %#x\n", vaddr);
 }
+#endif