Chroma/chroma/inc/kernel/system/descriptors.h

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#include <stdint.h>
#include <stddef.h>
/************************
*** Team Kitty, 2020 ***
*** Chroma ***
***********************/
typedef struct __attribute__((packed)) {
uint16_t LowLimit;
uint16_t BaseLow;
uint8_t BaseMid;
uint8_t Access;
uint8_t Granularity;
uint8_t BaseHigh;
} GDT_ENTRY;
typedef struct __attribute__((packed)) {
uint16_t Limit;
size_t Base;
} DESC_TBL;
typedef struct __attribute__((packed)) {
uint16_t BaseLow;
uint16_t Segment;
uint8_t ISTAndZero;
uint8_t SegmentType;
uint16_t BaseMid;
uint32_t BaseHigh;
uint32_t Reserved;
} IDT_GATE;
typedef struct __attribute__((packed)) {
uint16_t BaseLow;
uint16_t SegmentSelector;
uint8_t ISTAndZero;
uint8_t Misc;
uint16_t BaseHigh;
} IDT_ENTRY;
typedef struct __attribute__((packed)) {
uint16_t SegmentLimitLow;
uint16_t BaseLow;
uint8_t BaseMid1;
uint8_t SegmentType;
uint8_t SegmentLimitHigh;
uint8_t BaseMid2;
uint32_t BaseHigh;
uint32_t Reserved;
} TSS_ENTRY;
typedef struct __attribute__((packed)) {
uint32_t Reserved0;
size_t RSP0;
size_t RSP1;
size_t RSP2;
size_t Reserved12;
size_t IST1;
size_t IST2;
size_t IST3;
size_t IST4;
size_t IST5;
size_t IST6;
size_t IST7;
size_t Reserved34;
uint16_t Reserved5;
uint16_t IOMap;
} TSS64;