descriptor.xx.c File Reference

CPU descriptor implementations such as GDT, IDT. More...

#include <types.h>
#include <cpu.h>
#include <cpu/descriptor.h>
#include <cpu/task.h>
#include <memory.h>
#include <memory/frame.h>
#include <memory/paging.h>
#include <systeminfo.h>
#include <linker.h>
#include <logging.h>

Functions
	MODULE ("turnstone.kernel.cpu.descriptor")
uint8_t	descriptor_build_gdt_register (void)
	builds a default gdt
uint8_t	descriptor_build_ap_descriptors_register (void)
	builds gdt and tss for application processor
uint8_t	descriptor_build_idt_register (void)
	builds a default idt

Variables
descriptor_register_t *	GDT_REGISTER = NULL
	static address of gdt for lgdtr/sgdtr
descriptor_register_t *	IDT_REGISTER = NULL
	static address of idt for lidtr/sidtr

Detailed Description

CPU descriptor implementations such as GDT, IDT.

This work is licensed under TURNSTONE OS Public License. Please read and understand latest version of Licence.

Function Documentation

descriptor_build_ap_descriptors_register()

uint8_t descriptor_build_ap_descriptors_register

(

void

)

builds gdt and tss for application processor

Returns

0 at success.

descriptor_build_gdt_register()

uint8_t descriptor_build_gdt_register

(

void

)

builds a default gdt

Returns

0 at success.

descriptor_build_idt_register()

uint8_t descriptor_build_idt_register

(

void

)

builds a default idt

Returns

0 at success.