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Move IRQ handling from kernel executive to hardware layer

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This commit is contained in:
Aiken Harris
2026-03-27 12:00:09 +01:00
parent 9b19bc94b3
commit 64b5de98c8
7 changed files with 11 additions and 97 deletions
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2
xtoskrnl/CMakeLists.txt
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@@ -20,6 +20,7 @@ list(APPEND XTOSKRNL_SOURCE
${XTOSKRNL_SOURCE_DIR}/hl/${ARCH}/cpu.cc
${XTOSKRNL_SOURCE_DIR}/hl/${ARCH}/pic.cc
${XTOSKRNL_SOURCE_DIR}/hl/${ARCH}/ioport.cc
${XTOSKRNL_SOURCE_DIR}/hl/${ARCH}/irq.cc
${XTOSKRNL_SOURCE_DIR}/hl/${ARCH}/runlevel.cc
${XTOSKRNL_SOURCE_DIR}/hl/acpi.cc
${XTOSKRNL_SOURCE_DIR}/hl/cport.cc
@@ -31,7 +32,6 @@ list(APPEND XTOSKRNL_SOURCE
${XTOSKRNL_SOURCE_DIR}/kd/data.cc
${XTOSKRNL_SOURCE_DIR}/kd/dbgio.cc
${XTOSKRNL_SOURCE_DIR}/kd/exports.cc
${XTOSKRNL_SOURCE_DIR}/ke/${ARCH}/irq.cc
${XTOSKRNL_SOURCE_DIR}/ke/${ARCH}/krnlinit.cc
${XTOSKRNL_SOURCE_DIR}/ke/${ARCH}/kthread.cc
${XTOSKRNL_SOURCE_DIR}/ke/${ARCH}/proc.cc

4
xtoskrnl/hl/x86/pic.cc
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@@ -249,8 +249,8 @@ HL::Pic::InitializeApic(VOID)
WriteApicRegister(APIC_LINT1, LvtRegister.Long);
/* Register interrupt handlers */
KE::Irq::SetInterruptHandler(APIC_VECTOR_SPURIOUS, (PVOID)HandleApicSpuriousService);
KE::Irq::SetInterruptHandler(PIC1_VECTOR_SPURIOUS, (PVOID)HandlePicSpuriousService);
HL::Irq::SetInterruptHandler(APIC_VECTOR_SPURIOUS, (PVOID)HandleApicSpuriousService);
HL::Irq::SetInterruptHandler(PIC1_VECTOR_SPURIOUS, (PVOID)HandlePicSpuriousService);
/* Clear any pre-existing errors */
WriteApicRegister(APIC_ESR, 0);

1
xtoskrnl/includes/hl.hh
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@@ -18,6 +18,7 @@
#include <hl/init.hh>
#include <hl/ioport.hh>
#include <hl/ioreg.hh>
#include <hl/irq.hh>
#include <hl/pic.hh>
#include <hl/runlevel.hh>

14
xtoskrnl/includes/ke/irq.hh → xtoskrnl/includes/hl/irq.hh
View File

@@ -1,19 +1,19 @@
/**
* PROJECT: ExectOS
* COPYRIGHT: See COPYING.md in the top level directory
* FILE: xtoskrnl/includes/ke/irq.hh
* DESCRIPTION: Kernel interrupts support
* FILE: xtoskrnl/includes/hl/irq.hh
* DESCRIPTION: Interrupts support
* DEVELOPERS: Aiken Harris <harraiken91@gmail.com>
*/
#ifndef __XTOSKRNL_KE_IRQ_HH
#define __XTOSKRNL_KE_IRQ_HH
#ifndef __XTOSKRNL_HL_IRQ_HH
#define __XTOSKRNL_HL_IRQ_HH
#include <xtos.hh>
/* Kernel Library */
namespace KE
/* Hardware Layer */
namespace HL
{
class Irq
{
@@ -23,4 +23,4 @@ namespace KE
};
}
#endif /* __XTOSKRNL_KE_IRQ_HH */
#endif /* __XTOSKRNL_HL_IRQ_HH */

1
xtoskrnl/includes/ke.hh
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@@ -17,7 +17,6 @@
#include <ke/dpc.hh>
#include <ke/event.hh>
#include <ke/guard.hh>
#include <ke/irq.hh>
#include <ke/kprocess.hh>
#include <ke/krnlinit.hh>
#include <ke/kthread.hh>

43
xtoskrnl/ke/amd64/irq.cc
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@@ -1,43 +0,0 @@
/**
* PROJECT: ExectOS
* COPYRIGHT: See COPYING.md in the top level directory
* FILE: xtoskrnl/ke/amd64/irq.cc
* DESCRIPTION: Kernel interrupts support for amd64 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,
AMD64_INTERRUPT_GATE);
}

43
xtoskrnl/ke/i686/irq.cc
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@@ -1,43 +0,0 @@
/**
* 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);
}