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/**
* @file pic.h
*
* @author Freya Murphy <freya@freyacat.org>
*
* PIC functions
*/
#ifndef PIC_H_
#define PIC_H_
#define PIC_REMAP_OFFSET 0x20
/**
* Remaps the pie, i.e. initializes it
*/
void pic_remap(void);
/**
* Masks an external irq to stop firing until un masked
* @param irq - the irq to mask
*/
void pic_mask(int irq);
/**
* Unmasks an external irq to allow interrupts to continue for that irq
* @param irq - the irq to unmask
*/
void pic_unmask(int irq);
/**
* Disabled the pick
*/
void pic_disable(void);
/**
* Tells the pick that the interrupt has ended
* @param irq - the irq that has ended
*/
void pic_eoi(int irq);
#endif /* pic.h */
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