MMU Defines and Structs

Defines and structures that relate to the Memory Management Unit. More...

Data Structures
struct	mmu_region_attributes_Type

Macros
#define	SECTION_DESCRIPTOR   (0x2)
#define	SECTION_B_SHIFT   (2)
#define	SECTION_C_SHIFT   (3)
#define	SECTION_TEX0_SHIFT   (12)
#define	SECTION_TEX1_SHIFT   (13)
#define	SECTION_TEX2_SHIFT   (14)
#define	SECTION_XN_SHIFT   (4)
#define	SECTION_DOMAIN_SHIFT   (5)
#define	SECTION_P_SHIFT   (9)
#define	SECTION_AP_SHIFT   (10)
#define	SECTION_AP2_SHIFT   (15)
#define	SECTION_S_SHIFT   (16)
#define	SECTION_NG_SHIFT   (17)
#define	SECTION_NS_SHIFT   (19)
#define	PAGE_L1_DESCRIPTOR   (0x1)
#define	PAGE_L2_4K_DESC   (0x2)
#define	PAGE_L2_64K_DESC   (0x1)
#define	PAGE_4K_B_SHIFT   (2)
#define	PAGE_4K_C_SHIFT   (3)
#define	PAGE_4K_TEX0_SHIFT   (6)
#define	PAGE_4K_TEX1_SHIFT   (7)
#define	PAGE_4K_TEX2_SHIFT   (8)
#define	PAGE_64K_B_SHIFT   (2)
#define	PAGE_64K_C_SHIFT   (3)
#define	PAGE_64K_TEX0_SHIFT   (12)
#define	PAGE_64K_TEX1_SHIFT   (13)
#define	PAGE_64K_TEX2_SHIFT   (14)
#define	PAGE_B_SHIFT   (2)
#define	PAGE_C_SHIFT   (3)
#define	PAGE_TEX_SHIFT   (12)
#define	PAGE_XN_4K_SHIFT   (0)
#define	PAGE_XN_64K_SHIFT   (15)
#define	PAGE_DOMAIN_SHIFT   (5)
#define	PAGE_P_SHIFT   (9)
#define	PAGE_AP_SHIFT   (4)
#define	PAGE_AP2_SHIFT   (9)
#define	PAGE_S_SHIFT   (10)
#define	PAGE_NG_SHIFT   (11)
#define	PAGE_NS_SHIFT   (3)
#define	OFFSET_1M   (0x00100000)
#define	OFFSET_64K   (0x00010000)
#define	OFFSET_4K   (0x00001000)
#define	DESCRIPTOR_FAULT   (0x00000000)
#define	section_normal(descriptor_l1, region)
#define	section_normal_cod(descriptor_l1, region)
#define	section_normal_ro(descriptor_l1, region)
#define	section_normal_rw(descriptor_l1, region)
#define	section_so(descriptor_l1, region)
#define	section_device_ro(descriptor_l1, region)
#define	section_device_rw(descriptor_l1, region)
#define	page4k_device_rw(descriptor_l1, descriptor_l2, region)
#define	page64k_device_rw(descriptor_l1, descriptor_l2, region)

Enumerations
enum	mmu_region_size_Type {   SECTION,   PAGE_4k,   PAGE_64k }
enum	mmu_memory_Type {   NORMAL,   DEVICE,   SHARED_DEVICE,   NON_SHARED_DEVICE,   STRONGLY_ORDERED }
enum	mmu_cacheability_Type {   NON_CACHEABLE,   WB_WA,   WT,   WB_NO_WA }
enum	mmu_ecc_check_Type {   ECC_DISABLED,   ECC_ENABLED }
enum	mmu_execute_Type {   EXECUTE,   NON_EXECUTE }
enum	mmu_global_Type {   GLOBAL,   NON_GLOBAL }
enum	mmu_shared_Type {   NON_SHARED,   SHARED }
enum	mmu_secure_Type {   SECURE,   NON_SECURE }
enum	mmu_access_Type {   NO_ACCESS,   RW,   READ }

Description

Macro Definition Documentation

#define DESCRIPTOR_FAULT   (0x00000000)

#define OFFSET_1M   (0x00100000)

#define OFFSET_4K   (0x00001000)

#define OFFSET_64K   (0x00010000)

#define page4k_device_rw	(		descriptor_l1,
			descriptor_l2,
			region
	)

#define page64k_device_rw	(		descriptor_l1,
			descriptor_l2,
			region
	)

#define PAGE_4K_B_SHIFT   (2)

#define PAGE_4K_C_SHIFT   (3)

#define PAGE_4K_TEX0_SHIFT   (6)

#define PAGE_4K_TEX1_SHIFT   (7)

#define PAGE_4K_TEX2_SHIFT   (8)

#define PAGE_64K_B_SHIFT   (2)

#define PAGE_64K_C_SHIFT   (3)

#define PAGE_64K_TEX0_SHIFT   (12)

#define PAGE_64K_TEX1_SHIFT   (13)

#define PAGE_64K_TEX2_SHIFT   (14)

#define PAGE_AP2_SHIFT   (9)

#define PAGE_AP_SHIFT   (4)

#define PAGE_B_SHIFT   (2)

#define PAGE_C_SHIFT   (3)

#define PAGE_DOMAIN_SHIFT   (5)

#define PAGE_L1_DESCRIPTOR   (0x1)

#define PAGE_L2_4K_DESC   (0x2)

#define PAGE_L2_64K_DESC   (0x1)

#define PAGE_NG_SHIFT   (11)

#define PAGE_NS_SHIFT   (3)

#define PAGE_P_SHIFT   (9)

#define PAGE_S_SHIFT   (10)

#define PAGE_TEX_SHIFT   (12)

#define PAGE_XN_4K_SHIFT   (0)

#define PAGE_XN_64K_SHIFT   (15)

#define SECTION_AP2_SHIFT   (15)

#define SECTION_AP_SHIFT   (10)

#define SECTION_B_SHIFT   (2)

#define SECTION_C_SHIFT   (3)

#define SECTION_DESCRIPTOR   (0x2)

#define section_device_ro	(		descriptor_l1,
			region
	)

#define section_device_rw	(		descriptor_l1,
			region
	)

#define SECTION_DOMAIN_SHIFT   (5)

#define SECTION_NG_SHIFT   (17)

#define section_normal	(		descriptor_l1,
			region
	)

#define section_normal_cod	(		descriptor_l1,
			region
	)

#define section_normal_ro	(		descriptor_l1,
			region
	)

#define section_normal_rw	(		descriptor_l1,
			region
	)

#define SECTION_NS_SHIFT   (19)

#define SECTION_P_SHIFT   (9)

#define SECTION_S_SHIFT   (16)

#define section_so	(		descriptor_l1,
			region
	)

#define SECTION_TEX0_SHIFT   (12)

#define SECTION_TEX1_SHIFT   (13)

#define SECTION_TEX2_SHIFT   (14)

#define SECTION_XN_SHIFT   (4)

Enumeration Type Documentation

enum mmu_access_Type

Enumerator
NO_ACCESS
RW
READ

enum mmu_cacheability_Type

Enumerator
NON_CACHEABLE
WB_WA
WT
WB_NO_WA

enum mmu_ecc_check_Type

Enumerator
ECC_DISABLED
ECC_ENABLED

enum mmu_execute_Type

Enumerator
EXECUTE
NON_EXECUTE

enum mmu_global_Type

Enumerator
GLOBAL
NON_GLOBAL

enum mmu_memory_Type

Enumerator
NORMAL
DEVICE
SHARED_DEVICE
NON_SHARED_DEVICE
STRONGLY_ORDERED

enum mmu_region_size_Type

Enumerator
SECTION
PAGE_4k
PAGE_64k

enum mmu_secure_Type

Enumerator
SECURE
NON_SECURE

enum mmu_shared_Type

Enumerator
NON_SHARED
SHARED