ReactOS Development > Doxygen

00001 
00002 #include <freeldr.h>
00003 
00004 
00005 KIDTENTRY DECLSPEC_ALIGN(4) i386Idt[32];
00006 KDESCRIPTOR i386IdtDescriptor = {0, 255, (ULONG)i386Idt};
00007 
00008 static
00009 void
00010 InitIdtVector(
00011     UCHAR Vector,
00012     PVOID ServiceHandler,
00013     USHORT Access)
00014 {
00015     i386Idt[Vector].Offset = (ULONG)ServiceHandler & 0xffff;
00016     i386Idt[Vector].ExtendedOffset = (ULONG)ServiceHandler >> 16;
00017     i386Idt[Vector].Selector = PMODE_CS;
00018     i386Idt[Vector].Access = Access;
00019 }
00020 
00021 void
00022 InitIdt(void)
00023 {
00024     InitIdtVector(0, i386DivideByZero, 0x8e00);
00025     InitIdtVector(1, i386DebugException, 0x8e00);
00026     InitIdtVector(2, i386NMIException, 0x8e00);
00027     InitIdtVector(3, i386Breakpoint, 0x8e00);
00028     InitIdtVector(4, i386Overflow, 0x8e00);
00029     InitIdtVector(5, i386BoundException, 0x8e00);
00030     InitIdtVector(6, i386InvalidOpcode, 0x8e00);
00031     InitIdtVector(7, i386FPUNotAvailable, 0x8e00);
00032     InitIdtVector(8, i386DoubleFault, 0x8e00);
00033     InitIdtVector(9, i386CoprocessorSegment, 0x8e00);
00034     InitIdtVector(10, i386InvalidTSS, 0x8e00);
00035     InitIdtVector(11, i386SegmentNotPresent, 0x8e00);
00036     InitIdtVector(12, i386StackException, 0x8e00);
00037     InitIdtVector(13, i386GeneralProtectionFault, 0x8e00);
00038     InitIdtVector(14, i386PageFault, 0x8e00);
00039     InitIdtVector(16, i386CoprocessorError, 0x8e00);
00040     InitIdtVector(17, i386AlignmentCheck, 0x8e00);
00041     InitIdtVector(18, i386MachineCheck, 0x8e00);
00042 }
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