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[NTOS]

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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
This commit is contained in:
Timo Kreuzer 2010-01-15 00:13:38 +00:00
parent 52c5ac7be7
commit b2e87768af
2 changed files with 24 additions and 14 deletions
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4
reactos/ntoskrnl/ke/amd64/except.c
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@ -13,6 +13,8 @@
#define NDEBUG
#include <debug.h>
extern ULONG64 InterruptDispatchTable[256];
/* GLOBALS *******************************************************************/
KIDT_INIT KiInterruptInitTable[] =
@ -73,7 +75,7 @@ KeInitExceptions(VOID)
}
else
{
Offset = (ULONG64)KiUnexpectedInterrupt;
Offset = (ULONG64)&InterruptDispatchTable[i];
KiIdt[i].Dpl = 0;
KiIdt[i].IstIndex = 0;
}

34
reactos/ntoskrnl/ke/amd64/trap.S
View file

@ -28,10 +28,10 @@ _MsgBreakpointTrap:
.ascii "BreakpointTrap at %p\n\0"
_MsgUnexpectedInterrupt:
.ascii "UnexpectedInterrupt\n\0"
.ascii "UnexpectedInterrupt Vector=0x%02lx\n\0"
_MsgInvalidOpcodeFault:
.ascii "General protection fault at %p!\n\0"
.ascii "Invalid opcode fault at %p!\n\0"
_MsgDoubleFault:
.ascii "Double fault at %p, rbp=%p!\n\0"
@ -242,6 +242,17 @@ _MsgTrapInfo:
.text
.code64
.align 8
.global _InterruptDispatchTable
_InterruptDispatchTable:
.set Vector, 0
.rept 256
push Vector
jmp _KiUnexpectedInterrupt
.align 8
.set Vector, Vector+1
.endr
// rbp = TrapFrame, eax = ExceptionCode, edx = NumParams, r9,r10,r11 = params
_InternalDispatchException:
@ -779,23 +790,20 @@ PageFaultReturn:
.proc KiUnexpectedInterrupt
.pushframe 0
/* Push pseudo error code */
push 0
.allocstack 0x8
/* The error code is the vector */
cli
ENTER_TRAP_FRAME TRAPFLAG_ALL
lea rcx, _MsgUnexpectedInterrupt[rip]
call _FrLdrDbgPrint[rip]
/* Set bugcheck parameters */
mov ecx, TRAP_CAUSE_UNKNOWN
// mov rdx, // The unexpected interrupt
// mov rdx, // The unknown floating-point exception
// mov r8, // The enabled and asserted status bits
xor r9, r9 // Reserved
mov [rbp + KTRAP_FRAME_P5], rbp // trap frame
mov rdx, [rbp + KTRAP_FRAME_ErrorCode] // the vector
mov r8, 0 // The unknown floating-point exception
mov r9, 0 // The enabled and asserted status bits
sub rsp, 8
mov [rbp + KTRAP_FRAME_P5 + 8], rbp // trap frame
call _KeBugCheckWithTf
.endproc