52 lines
1.2 KiB
C++
52 lines
1.2 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 */
|
|
ProcessorBlock->IdtBase[(UCHAR) Vector].Offset = (USHORT)((ULONG)Handler & 0xFFFF);
|
|
ProcessorBlock->IdtBase[(UCHAR) Vector].ExtendedOffset = (USHORT)((ULONG)Handler >> 16);
|
|
}
|
|
|
|
|
|
|
|
|
|
/* TEMPORARY FOR COMPATIBILITY WITH C CODE */
|
|
XTCLINK
|
|
XTAPI
|
|
VOID
|
|
KeSetInterruptHandler(IN ULONG Vector,
|
|
IN PVOID Handler)
|
|
{
|
|
KE::Irq::SetInterruptHandler(Vector, Handler);
|
|
}
|