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Fix IDT limit.

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svn path=/trunk/; revision=42566
This commit is contained in:
Dmitry Gorbachev 2009-08-09 14:40:05 +00:00
parent 46ad3be153
commit 5f73e1c2bc
2 changed files with 20 additions and 20 deletions
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38
reactos/boot/freeldr/freeldr/arch/i386/i386idt.S
View file

@ -27,91 +27,91 @@
.p2align 2 /* force 4-byte alignment */ .p2align 2 /* force 4-byte alignment */
EXTERN(i386idt) EXTERN(i386idt)
/* Exception 0 - Divide By Zero */ /* Exception 0 - Divide By Zero */
.word i386DivideByZero /* Offset 0 - 15 */ .word i386DivideByZero /* Offset 0 - 15 */
.word 0x0008 /* Selector */ .word 0x0008 /* Selector */
.word 0x8e00 /* Flags, Zero Byte */ .word 0x8e00 /* Flags, Zero Byte */
.word 0x0000 /* Offset 16 - 31 */ .word 0x0000 /* Offset 16 - 31 */
/* Exception 1 - Debug Exception */ /* Exception 1 - Debug Exception */
.word i386DebugException /* Offset 0 - 15 */ .word i386DebugException /* Offset 0 - 15 */
.word 0x0008 /* Selector */ .word 0x0008 /* Selector */
.word 0x8e00 /* Zero byte, flags */ .word 0x8e00 /* Zero byte, flags */
.word 0x0000 /* Offset 16 - 31 */ .word 0x0000 /* Offset 16 - 31 */
/* Exception 2 - NMI */ /* Exception 2 - NMI */
.word i386NMIException /* Offset 0 - 15 */ .word i386NMIException /* Offset 0 - 15 */
.word 0x0008 /* Selector */ .word 0x0008 /* Selector */
.word 0x8e00 /* Zero byte, flags */ .word 0x8e00 /* Zero byte, flags */
.word 0x0000 /* Offset 16 - 31 */ .word 0x0000 /* Offset 16 - 31 */
/* Exception 3 - Breakpoint (INT 3) */ /* Exception 3 - Breakpoint (INT 3) */
.word i386Breakpoint /* Offset 0 - 15 */ .word i386Breakpoint /* Offset 0 - 15 */
.word 0x0008 /* Selector */ .word 0x0008 /* Selector */
.word 0x8e00 /* Zero byte, flags */ .word 0x8e00 /* Zero byte, flags */
.word 0x0000 /* Offset 16 - 31 */ .word 0x0000 /* Offset 16 - 31 */
/* Exception 4 - Overflow (INTO with EFLAGS[OF] set) */ /* Exception 4 - Overflow (INTO with EFLAGS[OF] set) */
.word i386Overflow /* Offset 0 - 15 */ .word i386Overflow /* Offset 0 - 15 */
.word 0x0008 /* Selector */ .word 0x0008 /* Selector */
.word 0x8e00 /* Zero byte, flags */ .word 0x8e00 /* Zero byte, flags */
.word 0x0000 /* Offset 16 - 31 */ .word 0x0000 /* Offset 16 - 31 */
/* Exception 5 - Bound Exception */ /* Exception 5 - Bound Exception */
.word i386BoundException /* Offset 0 - 15 */ .word i386BoundException /* Offset 0 - 15 */
.word 0x0008 /* Selector */ .word 0x0008 /* Selector */
.word 0x8e00 /* Zero byte, flags */ .word 0x8e00 /* Zero byte, flags */
.word 0x0000 /* Offset 16 - 31 */ .word 0x0000 /* Offset 16 - 31 */
/* Exception 6 - Invalid Opcode */ /* Exception 6 - Invalid Opcode */
.word i386InvalidOpcode /* Offset 0 - 15 */ .word i386InvalidOpcode /* Offset 0 - 15 */
.word 0x0008 /* Selector */ .word 0x0008 /* Selector */
.word 0x8e00 /* Zero byte, flags */ .word 0x8e00 /* Zero byte, flags */
.word 0x0000 /* Offset 16 - 31 */ .word 0x0000 /* Offset 16 - 31 */
/* Exception 7 - FPU Not Available */ /* Exception 7 - FPU Not Available */
.word i386FPUNotAvailable /* Offset 0 - 15 */ .word i386FPUNotAvailable /* Offset 0 - 15 */
.word 0x0008 /* Selector */ .word 0x0008 /* Selector */
.word 0x8e00 /* Zero byte, flags */ .word 0x8e00 /* Zero byte, flags */
.word 0x0000 /* Offset 16 - 31 */ .word 0x0000 /* Offset 16 - 31 */
/* Exception 8 - Double Fault */ /* Exception 8 - Double Fault */
.word i386DoubleFault /* Offset 0 - 15 */ .word i386DoubleFault /* Offset 0 - 15 */
.word 0x0008 /* Selector */ .word 0x0008 /* Selector */
.word 0x8e00 /* Zero byte, flags */ .word 0x8e00 /* Zero byte, flags */
.word 0x0000 /* Offset 16 - 31 */ .word 0x0000 /* Offset 16 - 31 */
/* Exception 9 - Coprocessor Segment Overrun */ /* Exception 9 - Coprocessor Segment Overrun */
.word i386CoprocessorSegment /* Offset 0 - 15 */ .word i386CoprocessorSegment /* Offset 0 - 15 */
.word 0x0008 /* Selector */ .word 0x0008 /* Selector */
.word 0x8e00 /* Zero byte, flags */ .word 0x8e00 /* Zero byte, flags */
.word 0x0000 /* Offset 16 - 31 */ .word 0x0000 /* Offset 16 - 31 */
/* Exception 10 (0x0A) - Invalid TSS */ /* Exception 10 (0x0A) - Invalid TSS */
.word i386InvalidTSS /* Offset 0 - 15 */ .word i386InvalidTSS /* Offset 0 - 15 */
.word 0x0008 /* Selector */ .word 0x0008 /* Selector */
.word 0x8e00 /* Zero byte, flags */ .word 0x8e00 /* Zero byte, flags */
.word 0x0000 /* Offset 16 - 31 */ .word 0x0000 /* Offset 16 - 31 */
/* Exception 11 (0x0B) - Segment Not Present */ /* Exception 11 (0x0B) - Segment Not Present */
.word i386SegmentNotPresent /* Offset 0 - 15 */ .word i386SegmentNotPresent /* Offset 0 - 15 */
.word 0x0008 /* Selector */ .word 0x0008 /* Selector */
.word 0x8e00 /* Zero byte, flags */ .word 0x8e00 /* Zero byte, flags */
.word 0x0000 /* Offset 16 - 31 */ .word 0x0000 /* Offset 16 - 31 */
/* Exception 12 (0x0C) - Stack Exception */ /* Exception 12 (0x0C) - Stack Exception */
.word i386StackException /* Offset 0 - 15 */ .word i386StackException /* Offset 0 - 15 */
.word 0x0008 /* Selector */ .word 0x0008 /* Selector */
.word 0x8e00 /* Zero byte, flags */ .word 0x8e00 /* Zero byte, flags */
.word 0x0000 /* Offset 16 - 31 */ .word 0x0000 /* Offset 16 - 31 */
/* Exception 13 (0x0D) - General Protection Fault */ /* Exception 13 (0x0D) - General Protection Fault */
.word i386GeneralProtectionFault /* Offset 0 - 15 */ .word i386GeneralProtectionFault /* Offset 0 - 15 */
.word 0x0008 /* Selector */ .word 0x0008 /* Selector */
.word 0x8e00 /* Zero byte, flags */ .word 0x8e00 /* Zero byte, flags */
.word 0x0000 /* Offset 16 - 31 */ .word 0x0000 /* Offset 16 - 31 */
/* Exception 14 (0x0E) - Page Fault */ /* Exception 14 (0x0E) - Page Fault */
.word i386PageFault /* Offset 0 - 15 */ .word i386PageFault /* Offset 0 - 15 */
.word 0x0008 /* Selector */ .word 0x0008 /* Selector */
.word 0x8e00 /* Zero byte, flags */ .word 0x8e00 /* Zero byte, flags */
.word 0x0000 /* Offset 16 - 31 */ .word 0x0000 /* Offset 16 - 31 */
@ -123,19 +123,19 @@ EXTERN(i386idt)
.word 0x0000 /* Offset 16 - 31 */ .word 0x0000 /* Offset 16 - 31 */
/* Exception 16 (0x10) - Coprocessor Error */ /* Exception 16 (0x10) - Coprocessor Error */
.word i386CoprocessorError /* Offset 0 - 15 */ .word i386CoprocessorError /* Offset 0 - 15 */
.word 0x0008 /* Selector */ .word 0x0008 /* Selector */
.word 0x8e00 /* Zero byte, flags */ .word 0x8e00 /* Zero byte, flags */
.word 0x0000 /* Offset 16 - 31 */ .word 0x0000 /* Offset 16 - 31 */
/* Exception 17 (0x11) - Alignment Check */ /* Exception 17 (0x11) - Alignment Check */
.word i386AlignmentCheck /* Offset 0 - 15 */ .word i386AlignmentCheck /* Offset 0 - 15 */
.word 0x0008 /* Selector */ .word 0x0008 /* Selector */
.word 0x8e00 /* Zero byte, flags */ .word 0x8e00 /* Zero byte, flags */
.word 0x0000 /* Offset 16 - 31 */ .word 0x0000 /* Offset 16 - 31 */
/* Exception 18 (0x12) - Machine Check */ /* Exception 18 (0x12) - Machine Check */
.word i386MachineCheck /* Offset 0 - 15 */ .word i386MachineCheck /* Offset 0 - 15 */
.word 0x0008 /* Selector */ .word 0x0008 /* Selector */
.word 0x8e00 /* Zero byte, flags */ .word 0x8e00 /* Zero byte, flags */
.word 0x0000 /* Offset 16 - 31 */ .word 0x0000 /* Offset 16 - 31 */
@ -220,5 +220,5 @@ EXTERN(i386idt)
/* IDT table pointer */ /* IDT table pointer */
EXTERN(i386idtptr) EXTERN(i386idtptr)
.word (i386idtptr-i386idt) /* Limit */ .word (i386idtptr - i386idt - 1) /* Limit */
.long i386idt /* Base Address */ .long i386idt /* Base Address */

2
reactos/boot/freeldr/freeldr/windows/wlmemory.c
View file

@ -912,7 +912,7 @@ WinLdrSetProcessorContext(PVOID GdtIdt, IN ULONG Pcr, IN ULONG Tss)
// //
// Copy the old IDT // Copy the old IDT
RtlCopyMemory(pIdt, (PVOID)OldIdt.Base, OldIdt.Limit); RtlCopyMemory(pIdt, (PVOID)OldIdt.Base, OldIdt.Limit + 1);
// Mask interrupts // Mask interrupts
//asm("cli\n"); // they are already masked before enabling paged mode //asm("cli\n"); // they are already masked before enabling paged mode