pm.h File Reference

Include dependency graph for pm.h:

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Data Structures
struct	descriptor
struct	tss_descriptor
struct	idescriptor
struct	ptr_16_64
struct	ptr_16_32
struct	tss
Defines
#define	IDT_ITEMS   64
#define	GDT_ITEMS   8
#define	NULL_DES   0
#define	KTEXT_DES   1
#define	KDATA_DES   2
#define	UDATA_DES   3
#define	UTEXT_DES   4
#define	KTEXT32_DES   5
#define	TSS_DES   6
#define	gdtselector(des)   ((des)<<3)
#define	idtselector(des)   ((des)<<4)
#define	PL_KERNEL   0
#define	PL_USER   3
#define	AR_PRESENT   (1<<7)
#define	AR_DATA   (2<<3)
#define	AR_CODE   (3<<3)
#define	AR_WRITABLE   (1<<1)
#define	AR_READABLE   (1<<1)
#define	AR_TSS   (0x9)
#define	AR_INTERRUPT   (0xe)
#define	AR_TRAP   (0xf)
#define	DPL_KERNEL   (PL_KERNEL<<5)
#define	DPL_USER   (PL_USER<<5)
#define	TSS_BASIC_SIZE   104
#define	TSS_IOMAP_SIZE   (16*1024+1)
#define	IO_PORTS   (64*1024)
Typedefs
typedef descriptor	descriptor_t
typedef tss_descriptor	tss_descriptor_t
typedef idescriptor	idescriptor_t
typedef ptr_16_64	ptr_16_64_t
typedef ptr_16_32	ptr_16_32_t
typedef tss	tss_t
Functions
void	pm_init (void)
void	gdt_tss_setbase (descriptor_t *d, __address base)
void	gdt_tss_setlimit (descriptor_t *d, __u32 limit)
void	idt_init (void)
void	idt_setoffset (idescriptor_t *d, __address offset)
void	tss_initialize (tss_t *t)
Variables
descriptor	packed
tss_descriptor	packed
idescriptor	packed
ptr_16_64	packed
ptr_16_32	packed
tss	packed
tss_t *	tss_p
descriptor_t	gdt []
idescriptor_t	idt []
ptr_16_64_t	gdtr
ptr_16_32_t	bootstrap_gdtr
ptr_16_32_t	protected_ap_gdtr

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Detailed Description

Definition in file pm.h.

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