summaryrefslogtreecommitdiffhomepage
path: root/dev/kernel/HALKit/AMD64/HalDescriptorLoader.cc
diff options
context:
space:
mode:
authorAmlal <amlal@nekernel.org>2025-04-25 13:08:33 +0200
committerAmlal <amlal@nekernel.org>2025-04-25 13:08:33 +0200
commitfb790b07aeba8e22e4190cf3e1834d11ecde6c96 (patch)
tree4cec7d1b321307b1d5935577631dae116a658a37 /dev/kernel/HALKit/AMD64/HalDescriptorLoader.cc
parent63a2d92c5dfe976175cda024ec01905d11b43738 (diff)
dev: better .clang-format, ran format command.
Signed-off-by: Amlal <amlal@nekernel.org>
Diffstat (limited to 'dev/kernel/HALKit/AMD64/HalDescriptorLoader.cc')
-rw-r--r--dev/kernel/HALKit/AMD64/HalDescriptorLoader.cc155
1 files changed, 70 insertions, 85 deletions
diff --git a/dev/kernel/HALKit/AMD64/HalDescriptorLoader.cc b/dev/kernel/HALKit/AMD64/HalDescriptorLoader.cc
index f205e766..e6d57be2 100644
--- a/dev/kernel/HALKit/AMD64/HalDescriptorLoader.cc
+++ b/dev/kernel/HALKit/AMD64/HalDescriptorLoader.cc
@@ -1,21 +1,19 @@
/* -------------------------------------------
- Copyright (C) 2024-2025, Amlal El Mahrouss, all rights reserved.
+ Copyright (C) 2024-2025, Amlal El Mahrouss, all rights reserved.
------------------------------------------- */
-#include <FSKit/NeFS.h>
#include <ArchKit/ArchKit.h>
+#include <FSKit/NeFS.h>
#include <HALKit/AMD64/Processor.h>
#define kPITDefaultTicks (1000U)
-namespace Kernel::HAL
-{
- namespace Detail
- {
- STATIC ::Kernel::Detail::AMD64::InterruptDescriptorAMD64
- kInterruptVectorTable[kKernelIdtSize] = {};
+namespace Kernel::HAL {
+namespace Detail {
+ STATIC ::Kernel::Detail::AMD64::InterruptDescriptorAMD64 kInterruptVectorTable[kKernelIdtSize] =
+ {};
#if 0
STATIC void hal_set_irq_mask(UInt8 irql) [[maybe_unused]]
@@ -36,101 +34,88 @@ namespace Kernel::HAL
value = rt_in8(port) | (1 << irql);
rt_out8(port, value);
}
-#endif // make gcc shut up
+#endif // make gcc shut up
- STATIC void hal_clear_irq_mask(UInt8 irql) [[maybe_unused]]
- {
- UInt16 port;
- UInt8 value;
+ STATIC void hal_clear_irq_mask(UInt8 irql) [[maybe_unused]] {
+ UInt16 port;
+ UInt8 value;
- if (irql < 8)
- {
- port = kPICData;
- }
- else
- {
- port = kPIC2Data;
- irql -= 8;
- }
+ if (irql < 8) {
+ port = kPICData;
+ } else {
+ port = kPIC2Data;
+ irql -= 8;
+ }
- value = rt_in8(port) & ~(1 << irql);
- rt_out8(port, value);
- }
+ value = rt_in8(port) & ~(1 << irql);
+ rt_out8(port, value);
+ }
- STATIC Void hal_enable_pit(UInt16 ticks) noexcept
- {
- if (ticks == 0)
- ticks = kPITDefaultTicks;
+ STATIC Void hal_enable_pit(UInt16 ticks) noexcept {
+ if (ticks == 0) ticks = kPITDefaultTicks;
- // Configure PIT to receieve scheduler interrupts.
+ // Configure PIT to receieve scheduler interrupts.
- UInt16 kPITCommDivisor = kPITFrequency / ticks; // 100 Hz.
+ 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::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);
- }
- } // namespace Detail
+ hal_clear_irq_mask(32);
+ }
+} // namespace Detail
- /// @brief Loads the provided Global Descriptor Table.
- /// @param gdt
- /// @return
- Void GDTLoader::Load(Register64& gdt)
- {
- hal_load_gdt(gdt);
- }
+/// @brief Loads the provided Global Descriptor Table.
+/// @param gdt
+/// @return
+Void GDTLoader::Load(Register64& gdt) {
+ hal_load_gdt(gdt);
+}
- Void IDTLoader::Load(Register64& idt)
- {
- rt_cli();
+Void IDTLoader::Load(Register64& idt) {
+ rt_cli();
- const Int16 kPITTickForScheduler = kPITDefaultTicks;
+ const Int16 kPITTickForScheduler = kPITDefaultTicks;
- volatile ::Kernel::UIntPtr** ptr_ivt = (volatile ::Kernel::UIntPtr**)idt.Base;
+ volatile ::Kernel::UIntPtr** ptr_ivt = (volatile ::Kernel::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;
- }
+ 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(::Kernel::Detail::AMD64::InterruptDescriptorAMD64) *
- (kKernelIdtSize);
+ idt.Base = (UIntPtr) &Detail::kInterruptVectorTable[0];
+ idt.Limit = sizeof(::Kernel::Detail::AMD64::InterruptDescriptorAMD64) * (kKernelIdtSize);
- Detail::hal_enable_pit(kPITTickForScheduler);
+ Detail::hal_enable_pit(kPITTickForScheduler);
- hal_load_idt(idt);
+ hal_load_idt(idt);
- rt_sti();
- }
+ rt_sti();
+}
- /// @brief Loads the Global Descriptor Table into the CPU.
- /// @param gdt GDT register wrapped in a ref.
- void GDTLoader::Load(Ref<Register64>& gdt)
- {
- if (!gdt)
- return;
+/// @brief Loads the Global Descriptor Table into the CPU.
+/// @param gdt GDT register wrapped in a ref.
+void GDTLoader::Load(Ref<Register64>& gdt) {
+ if (!gdt) return;
- GDTLoader::Load(gdt.Leak());
- }
+ GDTLoader::Load(gdt.Leak());
+}
- /// @brief Loads the IDT, for interupts.
- /// @param idt IDT register wrapped in a ref.
- void IDTLoader::Load(Ref<Register64>& idt)
- {
- if (!idt)
- return;
+/// @brief Loads the IDT, for interupts.
+/// @param idt IDT register wrapped in a ref.
+void IDTLoader::Load(Ref<Register64>& idt) {
+ if (!idt) return;
- IDTLoader::Load(idt.Leak());
- }
-} // namespace Kernel::HAL
+ IDTLoader::Load(idt.Leak());
+}
+} // namespace Kernel::HAL