gdt.c File Reference

#include <kernel/cpu/gdt.h>
#include <kernel/cpu/tss.h>
#include <kernel/mem/pmm.h>

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Functions
static gdt_t gdt	ALIGNED (PAGE_SIZE)
static gdt_segment_t	gdt_segment (gdt_access_t access, gdt_flags_t flags)
static gdt_long_system_segment_t	gdt_long_system_segment (gdt_access_t access, gdt_flags_t flags, uint64_t base, uint32_t limit)
void	gdt_init (void)
	Initialize the GDT.
void	gdt_cpu_load (void)
	Load the GDT on the current CPU.
void	gdt_cpu_tss_load (tss_t *tss)
	Load a TSS into the GDT and load it using the ltr instruction on the current CPU.

Function Documentation

ALIGNED()

static gdt_t gdt ALIGNED ( PAGE_SIZE  )

static

gdt_long_system_segment()

static gdt_long_system_segment_t gdt_long_system_segment ( gdt_access_t  access, gdt_flags_t  flags, uint64_t  base, uint32_t  limit  )

static

Definition at line 20 of file gdt.c.

References gdt_long_system_segment_t::access, gdt_long_system_segment_t::baseHigh, gdt_long_system_segment_t::baseLow, gdt_long_system_segment_t::baseLowerMiddle, gdt_long_system_segment_t::baseUpperMiddle, gdt_long_system_segment_t::flagsAndLimitHigh, gdt_long_system_segment_t::limitLow, and gdt_long_system_segment_t::reserved.

Referenced by gdt_cpu_tss_load(), and gdt_init().

gdt_segment()

static gdt_segment_t gdt_segment ( gdt_access_t  access, gdt_flags_t  flags  )

static

Definition at line 8 of file gdt.c.

References gdt_segment_t::access, gdt_segment_t::baseHigh, gdt_segment_t::baseLow, gdt_segment_t::baseMiddle, gdt_segment_t::flagsAndLimitHigh, and gdt_segment_t::limitLow.

Referenced by gdt_init().