src/arch/x86/irq.hpp

Idź do dokumentacji tego pliku.

/* define for src/arch/x86/irq.cpp */

#ifndef _CORE_ARCH_X86_IRQ_HPP
#define _CORE_ARCH_X86_IRQ_HPP

namespace Arch {
namespace x86 {
namespace Interr {


void init_pic();        //initialise programmable interrupt controller

const uint32 DEF_FIRST_IRQ_M_INT        = 0x20;
const uint32 DEF_FIRST_IRQ_S_INT        = 0x28;
const uint32 DEF_ICW1                   = 0x11;
const uint32 DEF_ICW4                   = 1;
const uint32 DEF_PIC_M_PORT             = 0x20;
const uint32 DEF_PIC_S_PORT             = 0xA0;


class pic_service
 {
        idt_service *idt;
public:
        void init(idt_service *_idt);

//      pic_service(idt_service *_idt);
//      pic_service();
        void set_idt(idt_service *_idt);
//      ~pic_service();
        void setup_pic (char first_irq1, char first_irq2);
        char get_irq_mask_m();
        char get_irq_mask_s();
        void mask(char intno, char enabled);
        void mask_irq_m(char);
        void mask_irq_s(char);
        uint32 install_irq(char, int (*proc)(except2_t*), short);
        void EOI();
        void set_pit_freq(float hz);
 };

extern pic_service kernel_pic;  //kernel's pic management


   };   /*namespace Interr*/
  };    /*namespace x86*/
 };     /*namespace Arch*/

#endif

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