Gdt Class Reference

Static Public Member Functions
static void	build ()
static ALWAYS_INLINE void	load ()
static ALWAYS_INLINE void	unbusy_tss ()

Static Public Attributes
static Gdt	gdt [SEL_MAX > > 3]

Additional Inherited Members
Protected Types inherited from Descriptor
enum	Granularity { BYTES = 0u << 23 , PAGES = 1u << 23 }
enum	Size { BIT_16 = 0u << 22 , BIT_32 = 1u << 22 }
enum	Type {   SYS_LDT = 2u << 8 , SYS_TASK_GATE = 5u << 8 , SYS_TSS = 9u << 8 , SYS_CALL_GATE = 12u << 8 ,   SYS_INTR_GATE = 14u << 8 , SYS_TRAP_GATE = 15u << 8 , DATA_R = 16u << 8 , DATA_RA = 17u << 8 ,   DATA_RW = 18u << 8 , DATA_RWA = 19u << 8 , DATA_DOWN_R = 20u << 8 , DATA_DOWN_RA = 21u << 8 ,   DATA_DOWN_RW = 22u << 8 , DATA_DOWN_RWA = 23u << 8 , CODE_X = 24u << 8 , CODE_XA = 25u << 8 ,   CODE_XR = 26u << 8 , CODE_XRA = 27u << 8 , CODE_CONF_X = 28u << 8 , CODE_CONF_XA = 29u << 8 ,   CODE_CONF_XR = 30u << 8 , CODE_CONF_XRA = 31u << 8 }

Member Function Documentation

load()

ALWAYS_INLINE void Gdt::load ( )

inlinestatic

        {
            Pseudo_descriptor d (sizeof(gdt) - 1, reinterpret_cast<mword>(gdt));
            asm volatile("lgdt %0" : : "m" (d));
        }

unbusy_tss()

ALWAYS_INLINE void Gdt::unbusy_tss ( )

inlinestatic

        {
            gdt[SEL_TSS_RUN >> 3].val[1] &= ~0x200;
        }

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The documentation for this class was generated from the following file:

• include/gdt.h