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[NTOS]
Implement InterruptDispatchTable, containing 256 dispatch stubs, that push the Vector on the stack and then jump to KiUnexpectedInterrupt. This way we have the vector as ErrorCode on the stack and we can report it with KeBugCheckWithTf. svn path=/branches/ros-amd64-bringup/; revision=45082
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@ -13,6 +13,8 @@
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#define NDEBUG
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#include <debug.h>
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extern ULONG64 InterruptDispatchTable[256];
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/* GLOBALS *******************************************************************/
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KIDT_INIT KiInterruptInitTable[] =
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@ -73,7 +75,7 @@ KeInitExceptions(VOID)
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}
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else
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{
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Offset = (ULONG64)KiUnexpectedInterrupt;
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Offset = (ULONG64)&InterruptDispatchTable[i];
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KiIdt[i].Dpl = 0;
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KiIdt[i].IstIndex = 0;
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}
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@ -28,10 +28,10 @@ _MsgBreakpointTrap:
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.ascii "BreakpointTrap at %p\n\0"
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_MsgUnexpectedInterrupt:
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.ascii "UnexpectedInterrupt\n\0"
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.ascii "UnexpectedInterrupt Vector=0x%02lx\n\0"
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_MsgInvalidOpcodeFault:
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.ascii "General protection fault at %p!\n\0"
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.ascii "Invalid opcode fault at %p!\n\0"
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_MsgDoubleFault:
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.ascii "Double fault at %p, rbp=%p!\n\0"
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@ -242,6 +242,17 @@ _MsgTrapInfo:
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.text
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.code64
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.align 8
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.global _InterruptDispatchTable
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_InterruptDispatchTable:
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.set Vector, 0
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.rept 256
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push Vector
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jmp _KiUnexpectedInterrupt
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.align 8
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.set Vector, Vector+1
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.endr
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// rbp = TrapFrame, eax = ExceptionCode, edx = NumParams, r9,r10,r11 = params
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_InternalDispatchException:
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@ -779,23 +790,20 @@ PageFaultReturn:
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.proc KiUnexpectedInterrupt
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.pushframe 0
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/* Push pseudo error code */
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push 0
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.allocstack 0x8
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/* The error code is the vector */
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cli
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ENTER_TRAP_FRAME TRAPFLAG_ALL
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lea rcx, _MsgUnexpectedInterrupt[rip]
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call _FrLdrDbgPrint[rip]
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/* Set bugcheck parameters */
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mov ecx, TRAP_CAUSE_UNKNOWN
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// mov rdx, // The unexpected interrupt
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// mov rdx, // The unknown floating-point exception
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// mov r8, // The enabled and asserted status bits
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xor r9, r9 // Reserved
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mov [rbp + KTRAP_FRAME_P5], rbp // trap frame
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mov rdx, [rbp + KTRAP_FRAME_ErrorCode] // the vector
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mov r8, 0 // The unknown floating-point exception
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mov r9, 0 // The enabled and asserted status bits
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sub rsp, 8
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mov [rbp + KTRAP_FRAME_P5 + 8], rbp // trap frame
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call _KeBugCheckWithTf
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.endproc
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