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hw: print page faults of core (fix #1286)

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This commit is contained in:
Stefan Kalkowski 2014-11-20 15:25:08 +01:00 committed by Christian Helmuth
parent eedf3fa413
commit d452f37c25
1 changed files with 10 additions and 0 deletions
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10
repos/base-hw/src/core/spec/arm/kernel/thread_base.cc
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@ -15,6 +15,7 @@
/* core includes */
#include <kernel/thread.h>
#include <kernel/pd.h>
#include <kernel/kernel.h>
using namespace Kernel;
@ -82,6 +83,15 @@ void Thread::_mmu_exception()
if (in_fault(_fault_addr, _fault_writes)) {
_fault_pd = (addr_t)_pd->platform_pd();
_fault_signal = _fault.signal_context_id();
/**
* core should never raise a page-fault,
* if this happens print out an error message with debug information
*/
if (_pd == Kernel::core_pd())
PERR("Pagefault in core thread (%s): ip=%p fault=%p",
label(), (void*)ip, (void*)_fault_addr);
_fault.submit();
return;
}