armv7/boot/include/mmu.h File Reference

#include "types.h"

Go to the source code of this file.

Data Structures
union	mmu_sd_pt_s
union	mmu_sd_sec_s
union	mmu_sd_ssec_s
union	mmu_sd_sp_s

Macros
#define	MMU_TTBR0_ENT_COUNT   0x400
#define	MMU_TTBR1_ENT_COUNT   0x1000
#define	MMU_L1_ENT_COUNT   0x400
#define	MMU_L2_ENT_COUNT   0x100
#define	mmu_map_section(tt, pa, va, user, ro, xn, device, global)   mmu_map_anysection(tt, pa, va, user, ro, xn, device, global, 0)
#define	mmu_map_supersection(tt, pa, va, user, ro, xn, device, global)   mmu_map_anysection(tt, pa, va, user, ro, xn, device, global, 1)

Typedefs
typedef enum mmu_rgn_e	mmu_rgn_t
typedef union mmu_sd_pt_s	mmu_sd_pt_t
typedef union mmu_sd_sec_s	mmu_sd_sec_t
typedef union mmu_sd_ssec_s	mmu_sd_ssec_t
typedef union mmu_sd_sp_s	mmu_sd_sp_t

Enumerations
enum	mmu_rgn_e { RGN_NOCACHE = 0, RGN_CACHE_WBACK_WALLOC = 1, RGN_CACHE_WTHROUGH = 2, RGN_CACHE_WBACK_NOALLOC = 3 }

Functions
mmu_sd_pt_t	mmu_make_page_table (void *ptbaddr)
mmu_sd_sp_t	mmu_make_small_page (void *spbaddr, bool_t user, bool_t ro, bool_t xn, bool_t device, bool_t global)
unsigned	mmu_make_ttbr (void *base, mmu_rgn_t irgn, mmu_rgn_t rgn, bool_t shareable, bool_t not_outer_shareable)
void	mmu_map_small_page (unsigned int *tt, void *pa, void *va, bool_t user, bool_t ro, bool_t xn, bool_t device, bool_t global)
void	mmu_map_anysection (unsigned int *tt, void *pa, void *va, bool_t user, bool_t ro, bool_t xn, bool_t device, bool_t global, int super)
void	mmu_init (void)
void	mmu_debug (unsigned *tt)
mmu_sd_sp_t	mmu_virt_to_sp (unsigned pd, unsigned va)
unsigned	mmu_virt_to_phys (unsigned pd, unsigned va)
void	cache_and_mmu_disable ()
void	cache_and_mmu_enable ()

Macro Definition Documentation

MMU_L1_ENT_COUNT

#define MMU_L1_ENT_COUNT   0x400

MMU_L2_ENT_COUNT

#define MMU_L2_ENT_COUNT   0x100

mmu_map_section

#define mmu_map_section	(		tt,
			pa,
			va,
			user,
			ro,
			xn,
			device,
			global
	)		mmu_map_anysection(tt, pa, va, user, ro, xn, device, global, 0)

mmu_map_supersection

#define mmu_map_supersection	(		tt,
			pa,
			va,
			user,
			ro,
			xn,
			device,
			global
	)		mmu_map_anysection(tt, pa, va, user, ro, xn, device, global, 1)

MMU_TTBR0_ENT_COUNT

#define MMU_TTBR0_ENT_COUNT   0x400

MMU_TTBR1_ENT_COUNT

#define MMU_TTBR1_ENT_COUNT   0x1000

Typedef Documentation

mmu_rgn_t

typedef enum mmu_rgn_e mmu_rgn_t

mmu_sd_pt_t

typedef union mmu_sd_pt_s mmu_sd_pt_t

mmu_sd_sec_t

typedef union mmu_sd_sec_s mmu_sd_sec_t

mmu_sd_sp_t

typedef union mmu_sd_sp_s mmu_sd_sp_t

mmu_sd_ssec_t

typedef union mmu_sd_ssec_s mmu_sd_ssec_t

Enumeration Type Documentation

mmu_rgn_e

enum mmu_rgn_e

Enumerator
RGN_NOCACHE
RGN_CACHE_WBACK_WALLOC
RGN_CACHE_WTHROUGH
RGN_CACHE_WBACK_NOALLOC

Function Documentation

cache_and_mmu_disable()

void cache_and_mmu_disable

(

)

cache_and_mmu_enable()

void cache_and_mmu_enable

(

)

mmu_debug()

void mmu_debug

(

unsigned *

tt

)

mmu_init()

void mmu_init

(

void

)

mmu_make_page_table()

mmu_sd_pt_t mmu_make_page_table

(

void *

ptbaddr

)

mmu_make_small_page()

mmu_sd_sp_t mmu_make_small_page	(	void *	spbaddr,
		bool_t	user,
		bool_t	ro,
		bool_t	xn,
		bool_t	device,
		bool_t	global
	)

mmu_make_ttbr()

unsigned mmu_make_ttbr	(	void *	base,
		mmu_rgn_t	irgn,
		mmu_rgn_t	rgn,
		bool_t	shareable,
		bool_t	not_outer_shareable
	)

mmu_map_anysection()

void mmu_map_anysection	(	unsigned int *	tt,
		void *	pa,
		void *	va,
		bool_t	user,
		bool_t	ro,
		bool_t	xn,
		bool_t	device,
		bool_t	global,
		int	super
	)

mmu_map_small_page()

void mmu_map_small_page	(	unsigned int *	tt,
		void *	pa,
		void *	va,
		bool_t	user,
		bool_t	ro,
		bool_t	xn,
		bool_t	device,
		bool_t	global
	)

mmu_virt_to_phys()

unsigned mmu_virt_to_phys	(	unsigned	pd,
		unsigned	va
	)

mmu_virt_to_sp()

mmu_sd_sp_t mmu_virt_to_sp	(	unsigned	pd,
		unsigned	va
	)