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Initial commit - slab allocator, kmalloc, other re

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ssimnb 2026-01-22 08:05:47 +01:00
parent 1dd7b8b07f
commit 4e40a040dd
39 changed files with 863 additions and 412 deletions
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14
src/hal/idt.c
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@ -1,7 +1,7 @@
#include "idt.h"
#include "error.h"
#include "timer.h"
#include <stdio.h>
#include <kprint.h>
#include <lock.h>
#include <SFB25.h>
idt_descriptor idt[256] = {0};
@ -60,10 +60,10 @@ atomic_flag irq_register_lock = ATOMIC_FLAG_INIT;
/* Registers an IRQ with the specified vector. */
kstatus register_irq_vector(uint8_t vector, void *base, uint8_t flags){
acquire_lock(&irq_register_lock);
acquire_spinlock(&irq_register_lock);
if(!irq_list[vector].in_use){
free_lock(&irq_register_lock);
free_spinlock(&irq_register_lock);
return KERNEL_STATUS_ERROR;
}
@ -74,27 +74,27 @@ kstatus register_irq_vector(uint8_t vector, void *base, uint8_t flags){
s_load_idt();
free_lock(&irq_register_lock);
free_spinlock(&irq_register_lock);
return KERNEL_STATUS_SUCCESS;
}
/* Registers an IRQ and returns the vector */
int register_irq(void *base, uint8_t flags){
acquire_lock(&irq_register_lock);
acquire_spinlock(&irq_register_lock);
for(size_t i = 0; i < MAX_IRQ; i++){
if(!irq_list[i].in_use) {
set_idt_descriptor(i, base, flags);
irq_list[i].base = base;
irq_list[i].in_use = true;
free_lock(&irq_register_lock);
free_spinlock(&irq_register_lock);
s_load_idt();
return i;
}
}
free_lock(&irq_register_lock);
free_spinlock(&irq_register_lock);
return -1;
}