doxygen-docs/tss_8h_source.html

#ifndef TSS_H

#define TSS_H


#include <basics.h>   // uint64_t, uint8_t, etc.

#include <graphics.h>

#include <gdt.h>      // gdt_set_entry


struct __attribute__((packed)) tss_entry {

    uint32_t reserved0;

    uint64_t rsp0;

    uint64_t rsp1;

    uint64_t rsp2;

    uint64_t reserved1;

    uint64_t ist1;

    uint64_t ist2;

    uint64_t ist3;

    uint64_t ist4;

    uint64_t ist5;

    uint64_t ist6;

    uint64_t ist7;

    uint64_t reserved2;

    uint16_t reserved3;

    uint16_t iomap_base;

};


struct __attribute__((packed)) tss_descriptor {

    uint16_t limit_low;

    uint16_t base_low;

    uint8_t  base_mid;

    uint8_t  access;

    uint8_t  gran;

    uint8_t  base_high;

    uint32_t base_upper;

    uint32_t reserved;

};


extern struct tss_entry tss;

extern uint8_t kernel_stack[0x4000];


extern uint64_t kernel_stack_top;


void kernel_tss_init();


void tss_load();


#endif

__attribute__
struct acpi_gas __attribute__
Physical Region Descriptor Table (PRDT) entry.
Definition ahci.h:71

basics.h
This is a basic header files with FrostWing specific short forms and basically a good for life header...

gdt.h
The Header file for Global Descriptor Table.

graphics.h
Contains all the print functions.

kernel_tss_init
void kernel_tss_init()
Initialize TSS.

kernel_stack_top
uint64_t kernel_stack_top
The starting address of kernel's stack.

kernel_stack
uint8_t kernel_stack[0x4000]
16 KB kernel stack

tss_load
void tss_load()
Load the TSS.