xt-sys/exectos
3
5
Fork 2
Code Issues 8 Pull Requests 2 Actions Projects 1 Releases Wiki Activity

Replace manual IDT manipulation with SetIdtGate function call
All checks were successful
Builds / ExectOS (i686, debug) (push) Successful in 32s
Details
Builds / ExectOS (amd64, debug) (push) Successful in 34s
Details
Builds / ExectOS (amd64, release) (push) Successful in 51s
Details
Builds / ExectOS (i686, release) (push) Successful in 48s
Details

Browse Source
This commit is contained in:
Aiken Harris
2026-03-26 23:10:00 +01:00
parent 9479f3d364
commit 9b19bc94b3
4 changed files with 28 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
xtoskrnl/includes/ar/amd64/procsup.hh
View File

@@ -31,6 +31,13 @@ namespace AR
OUT PVOID *TrampolineCode,
OUT PULONG_PTR TrampolineSize);
STATIC XTAPI VOID InitializeProcessor(IN PVOID ProcessorStructures);
STATIC XTAPI VOID SetIdtGate(IN PKIDTENTRY Idt,
IN USHORT Vector,
IN PVOID Handler,
IN USHORT Selector,
IN USHORT Ist,
IN USHORT Dpl,
IN USHORT Type);
private:
STATIC XTAPI VOID IdentifyProcessor(VOID);
@@ -62,13 +69,6 @@ namespace AR
STATIC XTAPI VOID SetGdtEntryBase(IN PKGDTENTRY Gdt,
IN USHORT Selector,
IN ULONG_PTR Base);
STATIC XTAPI VOID SetIdtGate(IN PKIDTENTRY Idt,
IN USHORT Vector,
IN PVOID Handler,
IN USHORT Selector,
IN USHORT Ist,
IN USHORT Dpl,
IN USHORT Type);
};
}

14
xtoskrnl/includes/ar/i686/procsup.hh
View File

@@ -34,6 +34,13 @@ namespace AR
OUT PVOID *TrampolineCode,
OUT PULONG_PTR TrampolineSize);
STATIC XTAPI VOID InitializeProcessor(IN PVOID ProcessorStructures);
STATIC XTAPI VOID SetIdtGate(IN PKIDTENTRY Idt,
IN USHORT Vector,
IN PVOID Handler,
IN USHORT Selector,
IN USHORT Ist,
IN USHORT Dpl,
IN USHORT Type);
private:
STATIC XTAPI VOID IdentifyProcessor(VOID);
@@ -67,13 +74,6 @@ namespace AR
STATIC XTAPI VOID SetGdtEntryBase(IN PKGDTENTRY Gdt,
IN USHORT Selector,
IN ULONG_PTR Base);
STATIC XTAPI VOID SetIdtGate(IN PKIDTENTRY Idt,
IN USHORT Vector,
IN PVOID Handler,
IN USHORT Selector,
IN USHORT Ist,
IN USHORT Dpl,
IN USHORT Type);
STATIC XTAPI VOID SetNonMaskableInterruptTssEntry(IN PKPROCESSOR_BLOCK ProcessorBlock,
IN PVOID KernelFaultStack);

10
xtoskrnl/ke/amd64/irq.cc
View File

@@ -33,7 +33,11 @@ KE::Irq::SetInterruptHandler(IN ULONG Vector,
ProcessorBlock = KE::Processor::GetCurrentProcessorBlock();
/* Update interrupt handler */
ProcessorBlock->IdtBase[(UCHAR) Vector].OffsetLow = ((ULONG_PTR)Handler & 0xFFFF);
ProcessorBlock->IdtBase[(UCHAR) Vector].OffsetMiddle = (((ULONG_PTR)Handler >> 16) & 0xFFFF);
ProcessorBlock->IdtBase[(UCHAR) Vector].OffsetHigh = (ULONG_PTR)Handler >> 32;
AR::ProcSup::SetIdtGate(ProcessorBlock->IdtBase,
Vector,
Handler,
KGDT_R0_CODE,
0,
KIDT_ACCESS_RING0,
AMD64_INTERRUPT_GATE);
}

9
xtoskrnl/ke/i686/irq.cc
View File

@@ -33,6 +33,11 @@ KE::Irq::SetInterruptHandler(IN ULONG Vector,
ProcessorBlock = KE::Processor::GetCurrentProcessorBlock();
/* Update interrupt handler */
ProcessorBlock->IdtBase[(UCHAR) Vector].Offset = (USHORT)((ULONG)Handler & 0xFFFF);
ProcessorBlock->IdtBase[(UCHAR) Vector].ExtendedOffset = (USHORT)((ULONG)Handler >> 16);
AR::ProcSup::SetIdtGate(ProcessorBlock->IdtBase,
Vector,
Handler,
KGDT_R0_CODE,
0,
KIDT_ACCESS_RING0,
I686_INTERRUPT_GATE);
}