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Kernel: Register IDT handlers from a vector 

This drops code size by a lot :D
This commit is contained in:
Bananymous 2025-08-13 18:27:12 +03:00
parent 57050a83ba
commit 8ed5a71c45
1 changed files with 15 additions and 6 deletions
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21
kernel/kernel/IDT.cpp
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@ -433,19 +433,28 @@ namespace Kernel
memset(idt->m_idt.data(), 0x00, 0x100 * sizeof(GateDescriptor)); memset(idt->m_idt.data(), 0x00, 0x100 * sizeof(GateDescriptor));
#define X(num) idt->register_interrupt_handler(num, isr ## num); #define X(num) &isr##num,
ISR_LIST_X static constexpr void (*isr_handlers[])() {
ISR_LIST_X
};
#undef X #undef X
#define X(num) &irq##num,
static constexpr void (*irq_handlers[])() {
IRQ_LIST_X
};
#undef X
for (size_t i = 0; i < sizeof(isr_handlers) / sizeof(*isr_handlers); i++)
idt->register_interrupt_handler(i, isr_handlers[i]);
for (size_t i = 0; i < sizeof(irq_handlers) / sizeof(*irq_handlers); i++)
idt->register_interrupt_handler(IRQ_VECTOR_BASE + i, irq_handlers[i]);
#if ARCH(x86_64) #if ARCH(x86_64)
idt->register_interrupt_handler(DoubleFault, isr8, 1); idt->register_interrupt_handler(DoubleFault, isr8, 1);
static_assert(DoubleFault == 8); static_assert(DoubleFault == 8);
#endif #endif
#define X(num) idt->register_interrupt_handler(IRQ_VECTOR_BASE + num, irq ## num);
IRQ_LIST_X
#undef X
idt->register_interrupt_handler(IRQ_YIELD, asm_yield_handler); idt->register_interrupt_handler(IRQ_YIELD, asm_yield_handler);
idt->register_interrupt_handler(IRQ_IPI, asm_ipi_handler); idt->register_interrupt_handler(IRQ_IPI, asm_ipi_handler);
idt->register_interrupt_handler(IRQ_TIMER, asm_timer_handler); idt->register_interrupt_handler(IRQ_TIMER, asm_timer_handler);