106 lines
2.5 KiB
C++
106 lines
2.5 KiB
C++
/**
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* PROJECT: ExectOS
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* COPYRIGHT: See COPYING.md in the top level directory
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* FILE: xtoskrnl/ke/panic.cc
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* DESCRIPTION: System shutdown and kernel panic mechanism
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* DEVELOPERS: Rafal Kupiec <belliash@codingworkshop.eu.org>
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* Aiken Harris <harraiken91@gmail.com>
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*/
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#include <xtos.hh>
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/**
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* Halts the system.
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*
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* @return This routine does not return any value.
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*
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* @since XT 1.0
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*/
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XTAPI
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VOID
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KE::Crash::HaltSystem(VOID)
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{
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/* Enter infinite loop */
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for(;;)
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{
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/* Halt system */
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AR::CpuFunctions::ClearInterruptFlag();
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AR::CpuFunctions::Halt();
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}
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}
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/**
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* Crashes the system upon detecting a fatal error in which either it is unable to recover or continue to run system.
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*
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* @param Code
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* Specifies the reason for the kernel panic.
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*
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* @return This routine does not return any value.
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*
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* @since XT 1.0
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*/
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XTAPI
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VOID
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KE::Crash::Panic(IN ULONG Code)
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{
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/* Call panic function */
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Panic(Code, 0, 0, 0, 0);
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}
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/**
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* Crashes the system upon detecting a fatal error in which either it is unable to recover or continue to run system.
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*
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* @param Code
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* Specifies the reason for the kernel panic.
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*
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* @param Parameter1
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* Supplies additional information about the kernel panic.
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*
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* @param Parameter2
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* Supplies additional information about the kernel panic.
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*
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* @param Parameter3
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* Supplies additional information about the kernel panic.
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*
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* @param Parameter4
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* Supplies additional information about the kernel panic.
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*
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* @return This routine does not return any value.
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*
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* @since XT 1.0
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*/
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XTAPI
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VOID
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KE::Crash::Panic(IN ULONG Code,
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IN ULONG_PTR Parameter1,
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IN ULONG_PTR Parameter2,
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IN ULONG_PTR Parameter3,
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IN ULONG_PTR Parameter4)
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{
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/* Set kernel panic state */
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KernelPanic = TRUE;
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/* Print error message to debug console */
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KD::DebugIo::KdPrint(L"Fatal System Error: 0x%08lx (0x%zx 0x%zx 0x%zx 0x%zx)\nKernel Panic!\n\n",
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Code, Parameter1, Parameter2, Parameter3, Parameter4);
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/* Halt system */
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HaltSystem();
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}
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/**
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* Determines whether the system has experienced a fatal error and entered a kernel panic state.
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*
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* @return This routine returns TRUE if the system has halted due to a kernel panic, or FALSE otherwise.
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*
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* @since XT 1.0
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*/
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XTAPI
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BOOLEAN
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KE::Crash::SystemCrashed(VOID)
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{
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/* Return kernel panic state */
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return KernelPanic;
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}
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