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Working PS/2 keyboard driver
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This commit is contained in:
Kamil Kowalczyk
2026-02-15 14:28:07 +01:00
parent b0b69f3e9e
commit 927d9e4c73
29 changed files with 374 additions and 29 deletions
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21
kernel/irq/irq.c
View File

@@ -1,5 +1,5 @@
#include <irq/irq.h>
#include <libk/list.h>
#include <libk/rbtree.h>
#include <libk/std.h>
#include <mm/liballoc.h>
#include <sync/spin_lock.h>
@@ -10,8 +10,7 @@
#include <amd64/intr.h>
#endif
struct irq* irq_table[0x100];
static struct rb_node_link* irq_tree = NULL;
static spin_lock_t irqs_lock = SPIN_LOCK_INIT;
bool irq_attach (void (*func) (void*, void*), void* arg, uint32_t irq_num) {
@@ -25,17 +24,27 @@ bool irq_attach (void (*func) (void*, void*), void* arg, uint32_t irq_num) {
irq->irq_num = irq_num;
spin_lock (&irqs_lock);
irq_table[irq_num] = irq;
rbtree_insert (struct irq, &irq_tree, &irq->irq_tree_link, irq_tree_link, irq_num);
spin_unlock (&irqs_lock);
return true;
}
struct irq* irq_find (uint32_t irq_num) {
void irq_detach (uint32_t irq_num) {
struct irq* irq = irq_find (irq_num);
spin_lock (&irqs_lock);
rbtree_delete (&irq_tree, &irq->irq_tree_link);
spin_unlock (&irqs_lock);
struct irq* irq = irq_table[irq_num];
free (irq);
}
struct irq* irq_find (uint32_t irq_num) {
struct irq* irq = NULL;
spin_lock (&irqs_lock);
rbtree_find (struct irq, &irq_tree, irq_num, irq, irq_tree_link, irq_num);
spin_unlock (&irqs_lock);
return irq;

7
kernel/irq/irq.h
View File

@@ -1,20 +1,21 @@
#ifndef _KERNEL_IRQ_IRQ_H
#define _KERNEL_IRQ_IRQ_H
#include <libk/list.h>
#include <libk/rbtree.h>
#include <libk/std.h>
typedef void (*irq_func_t) (void* arg, void* regs);
struct irq {
struct list_node_link irqs_link;
uint32_t irq_num;
struct rb_node_link irq_tree_link;
irq_func_t func;
void* arg;
uint32_t irq_num;
};
bool irq_attach (irq_func_t, void* arg, uint32_t irq_num);
void irq_detach (uint32_t irq_num);
struct irq* irq_find (uint32_t irq_num);
#endif // _KERNEL_IRQ_IRQ_H