diff options
Diffstat (limited to 'src/arch/arm')
| -rw-r--r-- | src/arch/arm/ArmSystem.py | 5 | ||||
| -rw-r--r-- | src/arch/arm/linux/system.cc | 15 | ||||
| -rw-r--r-- | src/arch/arm/linux/system.hh | 8 |
3 files changed, 23 insertions, 5 deletions
diff --git a/src/arch/arm/ArmSystem.py b/src/arch/arm/ArmSystem.py index 763b043dc..b48c2a29d 100644 --- a/src/arch/arm/ArmSystem.py +++ b/src/arch/arm/ArmSystem.py @@ -68,3 +68,8 @@ class LinuxArmSystem(ArmSystem): early_kernel_symbols = Param.Bool(False, "enable early kernel symbol tables before MMU") enable_context_switch_stats_dump = Param.Bool(False, "enable stats/task info dumping at context switch boundaries") + + panic_on_panic = Param.Bool(False, "Trigger a gem5 panic if the " \ + "guest kernel panics") + panic_on_oops = Param.Bool(False, "Trigger a gem5 panic if the " \ + "guest kernel oopses") diff --git a/src/arch/arm/linux/system.cc b/src/arch/arm/linux/system.cc index de4c27d8b..e714cc913 100644 --- a/src/arch/arm/linux/system.cc +++ b/src/arch/arm/linux/system.cc @@ -62,11 +62,22 @@ using namespace Linux; LinuxArmSystem::LinuxArmSystem(Params *p) : ArmSystem(p), - enableContextSwitchStatsDump(p->enable_context_switch_stats_dump) + enableContextSwitchStatsDump(p->enable_context_switch_stats_dump), + kernelPanicEvent(NULL), kernelOopsEvent(NULL) { + if (p->panic_on_panic) { + kernelPanicEvent = addKernelFuncEventOrPanic<PanicPCEvent>( + "panic", "Kernel panic in simulated kernel"); + } else { #ifndef NDEBUG - kernelPanicEvent = addKernelFuncEventOrPanic<BreakPCEvent>("panic"); + kernelPanicEvent = addKernelFuncEventOrPanic<BreakPCEvent>("panic"); #endif + } + + if (p->panic_on_oops) { + kernelOopsEvent = addKernelFuncEventOrPanic<PanicPCEvent>( + "oops_exit", "Kernel oops in guest"); + } // With ARM udelay() is #defined to __udelay uDelaySkipEvent = addKernelFuncEventOrPanic<UDelayEvent>( diff --git a/src/arch/arm/linux/system.hh b/src/arch/arm/linux/system.hh index feed8cfaa..008c64429 100644 --- a/src/arch/arm/linux/system.hh +++ b/src/arch/arm/linux/system.hh @@ -98,10 +98,12 @@ class LinuxArmSystem : public ArmSystem void mapPid(ThreadContext* tc, uint32_t pid); private: -#ifndef NDEBUG /** Event to halt the simulator if the kernel calls panic() */ - BreakPCEvent *kernelPanicEvent; -#endif + PCEvent *kernelPanicEvent; + + /** Event to halt the simulator if the kernel calls oopses */ + PCEvent *kernelOopsEvent; + /** * PC based event to skip udelay(<time>) calls and quiesce the * processor for the appropriate amount of time. This is not functionally |