kernel: initial interrupt abstraction implementation

kernel-src/include/kernel/interrupt.h

@@ -0,0 +1,26 @@
+#ifndef _INTERRUPT_H
+#define _INTERRUPT_H
+
+#include <stdbool.h>
+
+#ifdef __x86_64__
+	#define MAX_ISR_COUNT 256
+#else
+	#error Unsupported architecture!
+#endif
+
+struct _isr_t;
+typedef struct _isr_t {
+	void (*func)(struct _isr_t *self); // TODO pass register context as argument as well.
+	void (*eoi)(struct _isr_t *self);
+	long id;
+	long priority;
+	bool pending;
+} isr_t;
+
+void interrupt_register(int vector, void (*func)(isr_t *self), void (*eoi)(isr_t *self), long priority); // TODO pass register context as well.
+isr_t *interrupt_allocate(void (*func)(isr_t *self), void (*eoi)(isr_t *self), long priority); // TODO pass register context as well.
+void interrupt_raiseipl(long newipl);
+void interrupt_loweripl(long newipl);
+
+#endif