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exectos/xtoskrnl/ke/i686/irq.cc
Aiken Harris 9b19bc94b3
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Replace manual IDT manipulation with SetIdtGate function call
2026-03-26 23:10:00 +01:00

44 lines
1.1 KiB
C++

/**
* PROJECT: ExectOS
* COPYRIGHT: See COPYING.md in the top level directory
* FILE: xtoskrnl/ke/i686/irq.cc
* DESCRIPTION: Kernel interrupts support for i686 architecture
* DEVELOPERS: Rafal Kupiec <belliash@codingworkshop.eu.org>
*/
#include <xtos.hh>
/**
* Sets new interrupt handler for the existing IDT entry.
*
* @param HalVector
* Supplies the HAL vector number.
*
* @param Handler
* Supplies the new interrupt handler.
*
* @return This routine does not return any value.
*
* @since XT 1.0
*/
XTAPI
VOID
KE::Irq::SetInterruptHandler(IN ULONG Vector,
IN PVOID Handler)
{
PKPROCESSOR_BLOCK ProcessorBlock;
/* Get current processor block */
ProcessorBlock = KE::Processor::GetCurrentProcessorBlock();
/* Update interrupt handler */
AR::ProcSup::SetIdtGate(ProcessorBlock->IdtBase,
Vector,
Handler,
KGDT_R0_CODE,
0,
KIDT_ACCESS_RING0,
I686_INTERRUPT_GATE);
}