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authorAmlal El Mahrouss <amlal.elmahrouss@icloud.com>2025-03-23 19:13:48 +0100
committerAmlal El Mahrouss <amlal.elmahrouss@icloud.com>2025-03-23 19:15:17 +0100
commita13e1c0911c0627184bc38f18c7fdda64447b3ad (patch)
tree073a62c09bf216e85a3f310376640fa1805147f9 /dev/Kernel/HALKit/AMD64/HalDescriptorLoader.cc
parent149fa096eb306d03686b3b67e813cf1a78e08cd0 (diff)
meta(kernel): Reworked repository's filesystem structure.
Removing useless parts of the project too. Signed-off-by: Amlal El Mahrouss <amlal.elmahrouss@icloud.com>
Diffstat (limited to 'dev/Kernel/HALKit/AMD64/HalDescriptorLoader.cc')
-rw-r--r--dev/Kernel/HALKit/AMD64/HalDescriptorLoader.cc126
1 files changed, 0 insertions, 126 deletions
diff --git a/dev/Kernel/HALKit/AMD64/HalDescriptorLoader.cc b/dev/Kernel/HALKit/AMD64/HalDescriptorLoader.cc
deleted file mode 100644
index 154b11af..00000000
--- a/dev/Kernel/HALKit/AMD64/HalDescriptorLoader.cc
+++ /dev/null
@@ -1,126 +0,0 @@
-/* -------------------------------------------
-
- Copyright (C) 2024-2025, Amlal EL Mahrouss, all rights reserved.
-
-------------------------------------------- */
-
-#include <ArchKit/ArchKit.h>
-#include <HALKit/AMD64/Processor.h>
-
-#define kPITDefaultTicks (1000U)
-
-namespace NeOS::HAL
-{
- namespace Detail
- {
- STATIC ::NeOS::Detail::AMD64::InterruptDescriptorAMD64
- kInterruptVectorTable[kKernelIdtSize] = {};
-
- STATIC void hal_set_irq_mask(UInt8 irql);
- STATIC void hal_clear_irq_mask(UInt8 irql);
-
- STATIC Void hal_enable_pit(UInt16 ticks) noexcept
- {
- if (ticks == 0)
- ticks = kPITDefaultTicks;
-
- // Configure PIT to receieve scheduler interrupts.
-
- UInt16 kPITCommDivisor = kPITFrequency / ticks; // 100 Hz.
-
- HAL::rt_out8(kPITControlPort, 0x36); // Command to PIT
- HAL::rt_out8(kPITChannel0Port, kPITCommDivisor & 0xFF); // Send low byte
- HAL::rt_out8(kPITChannel0Port, (kPITCommDivisor >> 8) & 0xFF); // Send high byte
-
- hal_clear_irq_mask(32);
- }
-
- STATIC void hal_set_irq_mask(UInt8 irql)
- {
- UInt16 port;
- UInt8 value;
-
- if (irql < 8)
- {
- port = kPICData;
- }
- else
- {
- port = kPIC2Data;
- irql -= 8;
- }
-
- value = rt_in8(port) | (1 << irql);
- rt_out8(port, value);
- }
-
- STATIC void hal_clear_irq_mask(UInt8 irql)
- {
- UInt16 port;
- UInt8 value;
-
- if (irql < 8)
- {
- port = kPICData;
- }
- else
- {
- port = kPIC2Data;
- irql -= 8;
- }
-
- value = rt_in8(port) & ~(1 << irql);
- rt_out8(port, value);
- }
- } // namespace Detail
-
- /// @brief Loads the provided Global Descriptor Table.
- /// @param gdt
- /// @return
- Void GDTLoader::Load(RegisterGDT& gdt)
- {
- hal_load_gdt(gdt);
- }
-
- Void IDTLoader::Load(Register64& idt)
- {
- rt_cli();
-
- const Int16 kPITTickForScheduler = kPITDefaultTicks;
-
- volatile ::NeOS::UIntPtr** ptr_ivt = (volatile ::NeOS::UIntPtr**)idt.Base;
-
- for (SizeT idt_indx = 0; idt_indx < kKernelIdtSize; ++idt_indx)
- {
- Detail::kInterruptVectorTable[idt_indx].Selector = kIDTSelector;
- Detail::kInterruptVectorTable[idt_indx].Ist = 0;
- Detail::kInterruptVectorTable[idt_indx].TypeAttributes = kInterruptGate;
- Detail::kInterruptVectorTable[idt_indx].OffsetLow = ((UIntPtr)ptr_ivt[idt_indx] & 0xFFFF);
- Detail::kInterruptVectorTable[idt_indx].OffsetMid = (((UIntPtr)ptr_ivt[idt_indx] >> 16) & 0xFFFF);
- Detail::kInterruptVectorTable[idt_indx].OffsetHigh =
- (((UIntPtr)ptr_ivt[idt_indx] >> 32) & 0xFFFFFFFF);
-
- Detail::kInterruptVectorTable[idt_indx].Zero = 0;
- }
-
- idt.Base = (UIntPtr)&Detail::kInterruptVectorTable[0];
- idt.Limit = sizeof(::NeOS::Detail::AMD64::InterruptDescriptorAMD64) *
- (kKernelIdtSize);
-
- hal_load_idt(idt);
-
- Detail::hal_enable_pit(kPITTickForScheduler);
-
- rt_sti();
- }
-
- void GDTLoader::Load(Ref<RegisterGDT>& gdt)
- {
- GDTLoader::Load(gdt.Leak());
- }
-
- void IDTLoader::Load(Ref<Register64>& idt)
- {
- IDTLoader::Load(idt.Leak());
- }
-} // namespace NeOS::HAL