Data Structures
struct	segdesc

struct	taskstate

struct	gatedesc

Macros
#define	FL_CF 0x00000001

#define	FL_PF 0x00000004

#define	FL_AF 0x00000010

#define	FL_ZF 0x00000040

#define	FL_SF 0x00000080

#define	FL_TF 0x00000100

#define	FL_IF 0x00000200

#define	FL_DF 0x00000400

#define	FL_OF 0x00000800

#define	FL_IOPL_MASK 0x00003000

#define	FL_IOPL_0 0x00000000

#define	FL_IOPL_1 0x00001000

#define	FL_IOPL_2 0x00002000

#define	FL_IOPL_3 0x00003000

#define	FL_NT 0x00004000

#define	FL_RF 0x00010000

#define	FL_VM 0x00020000

#define	FL_AC 0x00040000

#define	FL_VIF 0x00080000

#define	FL_VIP 0x00100000

#define	FL_ID 0x00200000

#define	CR0_PE 0x00000001

#define	CR0_MP 0x00000002

#define	CR0_EM 0x00000004

#define	CR0_TS 0x00000008

#define	CR0_ET 0x00000010

#define	CR0_NE 0x00000020

#define	CR0_WP 0x00010000

#define	CR0_AM 0x00040000

#define	CR0_NW 0x20000000

#define	CR0_CD 0x40000000

#define	CR0_PG 0x80000000

#define	CR4_PSE 0x00000010

#define	SEG_KCODE 1

#define	SEG_KDATA 2

#define	SEG_KCPU 3

#define	SEG_UCODE 4

#define	SEG_UDATA 5

#define	SEG_TSS 6

#define	SEG(type, base, lim, dpl)

#define	SEG16(type, base, lim, dpl)

#define	DPL_USER 0x3

#define	STA_X 0x8

#define	STA_E 0x4

#define	STA_C 0x4

#define	STA_W 0x2

#define	STA_R 0x2

#define	STA_A 0x1

#define	STS_T16A 0x1

#define	STS_LDT 0x2

#define	STS_T16B 0x3

#define	STS_CG16 0x4

#define	STS_TG 0x5

#define	STS_IG16 0x6

#define	STS_TG16 0x7

#define	STS_T32A 0x9

#define	STS_T32B 0xB

#define	STS_CG32 0xC

#define	STS_IG32 0xE

#define	STS_TG32 0xF

#define	PDX(va) (((uint)(va) >> PDXSHIFT) & 0x3FF)

#define	PTX(va) (((uint)(va) >> PTXSHIFT) & 0x3FF)

#define	PGADDR(d, t, o) ((uint)((d) << PDXSHIFT \| (t) << PTXSHIFT \| (o)))

#define	NPDENTRIES 1024

#define	NPTENTRIES 1024

#define	PGSIZE 4096

#define	PGSHIFT 12

#define	PTXSHIFT 12

#define	PDXSHIFT 22

#define	PGROUNDUP(sz) (((sz)+PGSIZE-1) & ~(PGSIZE-1))

#define	PGROUNDDOWN(a) (((a)) & ~(PGSIZE-1))

#define	PTE_P 0x001

#define	PTE_W 0x002

#define	PTE_U 0x004

#define	PTE_PWT 0x008

#define	PTE_PCD 0x010

#define	PTE_A 0x020

#define	PTE_D 0x040

#define	PTE_PS 0x080

#define	PTE_MBZ 0x180

#define	PTE_ADDR(pte) ((uint)(pte) & ~0xFFF)

#define	PTE_FLAGS(pte) ((uint)(pte) & 0xFFF)

#define	SETGATE(gate, istrap, sel, off, d)

Typedefs
typedef uint	pte_t

Macro Definition Documentation

#define CR0_AM 0x00040000

Definition at line 35 of file mmu.h.

#define CR0_CD 0x40000000

Definition at line 37 of file mmu.h.

#define CR0_EM 0x00000004

Definition at line 30 of file mmu.h.

#define CR0_ET 0x00000010

Definition at line 32 of file mmu.h.

#define CR0_MP 0x00000002

Definition at line 29 of file mmu.h.

#define CR0_NE 0x00000020

Definition at line 33 of file mmu.h.

#define CR0_NW 0x20000000

Definition at line 36 of file mmu.h.

#define CR0_PE 0x00000001

Definition at line 28 of file mmu.h.

#define CR0_PG 0x80000000

Definition at line 38 of file mmu.h.

#define CR0_TS 0x00000008

Definition at line 31 of file mmu.h.

#define CR0_WP 0x00010000

Definition at line 34 of file mmu.h.

#define CR4_PSE 0x00000010

Definition at line 40 of file mmu.h.

#define DPL_USER 0x3

Definition at line 79 of file mmu.h.

#define FL_AC 0x00040000

Definition at line 22 of file mmu.h.

#define FL_AF 0x00000010

Definition at line 7 of file mmu.h.

#define FL_CF 0x00000001

Definition at line 5 of file mmu.h.

#define FL_DF 0x00000400

Definition at line 12 of file mmu.h.

#define FL_ID 0x00200000

Definition at line 25 of file mmu.h.

#define FL_IF 0x00000200

Definition at line 11 of file mmu.h.

#define FL_IOPL_0 0x00000000

Definition at line 15 of file mmu.h.

#define FL_IOPL_1 0x00001000

Definition at line 16 of file mmu.h.

#define FL_IOPL_2 0x00002000

Definition at line 17 of file mmu.h.

#define FL_IOPL_3 0x00003000

Definition at line 18 of file mmu.h.

#define FL_IOPL_MASK 0x00003000

Definition at line 14 of file mmu.h.

#define FL_NT 0x00004000

Definition at line 19 of file mmu.h.

#define FL_OF 0x00000800

Definition at line 13 of file mmu.h.

#define FL_PF 0x00000004

Definition at line 6 of file mmu.h.

#define FL_RF 0x00010000

Definition at line 20 of file mmu.h.

#define FL_SF 0x00000080

Definition at line 9 of file mmu.h.

#define FL_TF 0x00000100

Definition at line 10 of file mmu.h.

#define FL_VIF 0x00080000

Definition at line 23 of file mmu.h.

#define FL_VIP 0x00100000

Definition at line 24 of file mmu.h.

#define FL_VM 0x00020000

Definition at line 21 of file mmu.h.

#define FL_ZF 0x00000040

Definition at line 8 of file mmu.h.

#define NPDENTRIES 1024

Definition at line 121 of file mmu.h.

#define NPTENTRIES 1024

Definition at line 122 of file mmu.h.

#define PDX ( va) (((uint)(va) >> PDXSHIFT) & 0x3FF)

Definition at line 112 of file mmu.h.

#define PDXSHIFT 22

Definition at line 127 of file mmu.h.

#define PGADDR	(	d,
		t,
		o
	)	((uint)((d) << PDXSHIFT \| (t) << PTXSHIFT \| (o)))

Definition at line 118 of file mmu.h.

#define PGROUNDDOWN ( a) (((a)) & ~(PGSIZE-1))

Definition at line 130 of file mmu.h.

#define PGROUNDUP ( sz) (((sz)+PGSIZE-1) & ~(PGSIZE-1))

Definition at line 129 of file mmu.h.

#define PGSHIFT 12

Definition at line 125 of file mmu.h.

#define PGSIZE 4096

Definition at line 123 of file mmu.h.

#define PTE_A 0x020

Definition at line 138 of file mmu.h.

#define PTE_ADDR ( pte) ((uint)(pte) & ~0xFFF)

Definition at line 144 of file mmu.h.

#define PTE_D 0x040

Definition at line 139 of file mmu.h.

#define PTE_FLAGS ( pte) ((uint)(pte) & 0xFFF)

Definition at line 145 of file mmu.h.

#define PTE_MBZ 0x180

Definition at line 141 of file mmu.h.

#define PTE_P 0x001

Definition at line 133 of file mmu.h.

#define PTE_PCD 0x010

Definition at line 137 of file mmu.h.

#define PTE_PS 0x080

Definition at line 140 of file mmu.h.

#define PTE_PWT 0x008

Definition at line 136 of file mmu.h.

#define PTE_U 0x004

Definition at line 135 of file mmu.h.

#define PTE_W 0x002

Definition at line 134 of file mmu.h.

#define PTX ( va) (((uint)(va) >> PTXSHIFT) & 0x3FF)

Definition at line 115 of file mmu.h.

#define PTXSHIFT 12

Definition at line 126 of file mmu.h.

#define SEG	(	type,
		base,
		lim,
		dpl
	)

Value:

(struct segdesc)    \
{ ((lim) >> 12) & 0xffff, (uint)(base) & 0xffff,      \
  ((uint)(base) >> 16) & 0xff, type, 1, dpl, 1,       \
  (uint)(lim) >> 28, 0, 0, 1, 1, (uint)(base) >> 24 }

Definition at line 69 of file mmu.h.

#define SEG16	(	type,
		base,
		lim,
		dpl
	)

Value:

(struct segdesc)  \
{ (lim) & 0xffff, (uint)(base) & 0xffff,              \
  ((uint)(base) >> 16) & 0xff, type, 1, dpl, 1,       \
  (uint)(lim) >> 16, 0, 0, 1, 0, (uint)(base) >> 24 }

Definition at line 73 of file mmu.h.

#define SEG_KCODE 1

Definition at line 42 of file mmu.h.

#define SEG_KCPU 3

Definition at line 44 of file mmu.h.

#define SEG_KDATA 2

Definition at line 43 of file mmu.h.

#define SEG_TSS 6

Definition at line 47 of file mmu.h.

#define SEG_UCODE 4

Definition at line 45 of file mmu.h.

#define SEG_UDATA 5

Definition at line 46 of file mmu.h.

#define SETGATE	(	gate,
		istrap,
		sel,
		off,
		d
	)

Value:

{                                                         \
  (gate).off_15_0 = (uint)(off) & 0xffff;                \
  (gate).cs = (sel);                                      \
  (gate).args = 0;                                        \
  (gate).rsv1 = 0;                                        \
  (gate).type = (istrap) ? STS_TG32 : STS_IG32;           \
  (gate).s = 0;                                           \
  (gate).dpl = (d);                                       \
  (gate).p = 1;                                           \
  (gate).off_31_16 = (uint)(off) >> 16;                  \
}

Definition at line 213 of file mmu.h.

#define STA_A 0x1

Definition at line 87 of file mmu.h.

#define STA_C 0x4

Definition at line 84 of file mmu.h.

#define STA_E 0x4

Definition at line 83 of file mmu.h.

#define STA_R 0x2

Definition at line 86 of file mmu.h.

#define STA_W 0x2

Definition at line 85 of file mmu.h.

#define STA_X 0x8

Definition at line 82 of file mmu.h.

#define STS_CG16 0x4

Definition at line 93 of file mmu.h.

#define STS_CG32 0xC

Definition at line 99 of file mmu.h.

#define STS_IG16 0x6

Definition at line 95 of file mmu.h.

#define STS_IG32 0xE

Definition at line 100 of file mmu.h.

#define STS_LDT 0x2

Definition at line 91 of file mmu.h.

#define STS_T16A 0x1

Definition at line 90 of file mmu.h.

#define STS_T16B 0x3

Definition at line 92 of file mmu.h.

#define STS_T32A 0x9

Definition at line 97 of file mmu.h.

#define STS_T32B 0xB

Definition at line 98 of file mmu.h.

#define STS_TG 0x5

Definition at line 94 of file mmu.h.

#define STS_TG16 0x7

Definition at line 96 of file mmu.h.

#define STS_TG32 0xF

Definition at line 101 of file mmu.h.

Typedef Documentation

typedef uint pte_t

Definition at line 148 of file mmu.h.

Data Structures

Macros

Typedefs

Macro Definition Documentation

Typedef Documentation