kernel/idt.h


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#pragma once

#include <stdint.h>
#include <stdbool.h>

#define INT_CALL 0xC
#define INT_INT 0xE
#define INT_TRAP 0xF

extern void vector0();
extern void vector1();
extern void vector2();
extern void vector3();
extern void vector4();
extern void vector5();
extern void vector6();
extern void vector7();
extern void vector8();
extern void vector9();
extern void vector10();
extern void vector11();
extern void vector12();
extern void vector13();
extern void vector14();
extern void vector15();
extern void vector16();
extern void vector17();
extern void vector18();
extern void vector19();
extern void vector20();
extern void vector21();
extern void vector22();
extern void vector23();
extern void vector24();
extern void vector25();
extern void vector26();
extern void vector27();
extern void vector28();
extern void vector29();
extern void vector30();
extern void vector31();
extern void vector32();
extern void vector33();
extern void vector34();
extern void vector35();
extern void vector36();
extern void vector37();
extern void vector38();
extern void vector39();
extern void vector40();
extern void vector41();
extern void vector42();
extern void vector43();
extern void vector44();
extern void vector45();
extern void vector46();
extern void vector47();
extern void vector48();
extern void vector49();
extern void vector50();
extern void vector51();
extern void vector52();
extern void vector53();
extern void vector54();
extern void vector55();
extern void vector56();
extern void vector57();
extern void vector58();
extern void vector59();
extern void vector60();
extern void vector61();
extern void vector62();
extern void vector63();
extern void vector64();
extern void vector65();
extern void vector66();
extern void vector67();
extern void vector68();
extern void vector69();
extern void vector70();
extern void vector71();
extern void vector72();
extern void vector73();
extern void vector74();
extern void vector75();
extern void vector76();
extern void vector77();
extern void vector78();
extern void vector79();
extern void vector80();
extern void vector81();
extern void vector82();
extern void vector83();
extern void vector84();
extern void vector85();
extern void vector86();
extern void vector87();
extern void vector88();
extern void vector89();
extern void vector90();
extern void vector91();
extern void vector92();
extern void vector93();
extern void vector94();
extern void vector95();
extern void vector96();
extern void vector97();
extern void vector98();
extern void vector99();
extern void vector100();
extern void vector101();
extern void vector102();
extern void vector103();
extern void vector104();
extern void vector105();
extern void vector106();
extern void vector107();
extern void vector108();
extern void vector109();
extern void vector110();
extern void vector111();
extern void vector112();
extern void vector113();
extern void vector114();
extern void vector115();
extern void vector116();
extern void vector117();
extern void vector118();
extern void vector119();
extern void vector120();
extern void vector121();
extern void vector122();
extern void vector123();
extern void vector124();
extern void vector125();
extern void vector126();
extern void vector127();
extern void vector128();
extern void vector129();
extern void vector130();
extern void vector131();
extern void vector132();
extern void vector133();
extern void vector134();
extern void vector135();
extern void vector136();
extern void vector137();
extern void vector138();
extern void vector139();
extern void vector140();
extern void vector141();
extern void vector142();
extern void vector143();
extern void vector144();
extern void vector145();
extern void vector146();
extern void vector147();
extern void vector148();
extern void vector149();
extern void vector150();
extern void vector151();
extern void vector152();
extern void vector153();
extern void vector154();
extern void vector155();
extern void vector156();
extern void vector157();
extern void vector158();
extern void vector159();
extern void vector160();
extern void vector161();
extern void vector162();
extern void vector163();
extern void vector164();
extern void vector165();
extern void vector166();
extern void vector167();
extern void vector168();
extern void vector169();
extern void vector170();
extern void vector171();
extern void vector172();
extern void vector173();
extern void vector174();
extern void vector175();
extern void vector176();
extern void vector177();
extern void vector178();
extern void vector179();
extern void vector180();
extern void vector181();
extern void vector182();
extern void vector183();
extern void vector184();
extern void vector185();
extern void vector186();
extern void vector187();
extern void vector188();
extern void vector189();
extern void vector190();
extern void vector191();
extern void vector192();
extern void vector193();
extern void vector194();
extern void vector195();
extern void vector196();
extern void vector197();
extern void vector198();
extern void vector199();
extern void vector200();
extern void vector201();
extern void vector202();
extern void vector203();
extern void vector204();
extern void vector205();
extern void vector206();
extern void vector207();
extern void vector208();
extern void vector209();
extern void vector210();
extern void vector211();
extern void vector212();
extern void vector213();
extern void vector214();
extern void vector215();
extern void vector216();
extern void vector217();
extern void vector218();
extern void vector219();
extern void vector220();
extern void vector221();
extern void vector222();
extern void vector223();
extern void vector224();
extern void vector225();
extern void vector226();
extern void vector227();
extern void vector228();
extern void vector229();
extern void vector230();
extern void vector231();
extern void vector232();
extern void vector233();
extern void vector234();
extern void vector235();
extern void vector236();
extern void vector237();
extern void vector238();
extern void vector239();
extern void vector240();
extern void vector241();
extern void vector242();
extern void vector243();
extern void vector244();
extern void vector245();
extern void vector246();
extern void vector247();
extern void vector248();
extern void vector249();
extern void vector250();
extern void vector251();
extern void vector252();
extern void vector253();
extern void vector254();
extern void vector255();

typedef struct __attribute__((packed))
{
    uint16_t size;
    uint64_t ptr;
}  idt_load;

typedef struct __attribute__((packed))
{
    uint64_t target_offset;
    uint16_t target_selector;
    uint8_t ist; // 3 bits
    uint8_t type; // 4 bits
    uint8_t dpl;
    bool p;
} gate;

void init_idt();
void make_call_gate(gate* g, uint64_t* rg);
void make_int_gate(gate* g, uint64_t* rg);