Definitions used in MMU setup. More...

#include <rtems.h>

Macros
#define	MMU_DESC_AF ( 1 << 10 )

#define	MMU_DESC_SH_INNER ( ( 1 << 9 ) \| ( 1 << 8 ) )

#define	MMU_DESC_WRITE_DISABLE ( 1 << 7 )

#define	MMU_DESC_TYPE_TABLE ( 1 << 1 )

#define	MMU_DESC_TYPE_PAGE ( 1 << 1 )

#define	MMU_DESC_VALID ( 1 << 0 )

#define	MMU_DESC_MAIR_ATTR(val) ( ( val & 0x3 ) << 2 )

#define	MMU_DESC_PAGE_TABLE_MASK 0xFFFFFFFFF000LL

#define	MMU_PAGE_BITS 12

#define	MMU_PAGE_SIZE ( 1 << MMU_PAGE_BITS )

#define	MMU_BITS_PER_LEVEL 9

#define	AARCH64_MMU_FLAGS_BASE ( MMU_DESC_VALID \| MMU_DESC_SH_INNER \| MMU_DESC_AF )

#define	AARCH64_MMU_DATA_RO_CACHED ( AARCH64_MMU_FLAGS_BASE \| MMU_DESC_MAIR_ATTR( 3 ) \| MMU_DESC_WRITE_DISABLE )

#define	AARCH64_MMU_CODE_CACHED AARCH64_MMU_DATA_RO_CACHED

#define	AARCH64_MMU_CODE_RW_CACHED AARCH64_MMU_DATA_RW_CACHED

#define	AARCH64_MMU_DATA_RO ( AARCH64_MMU_FLAGS_BASE \| MMU_DESC_MAIR_ATTR( 2 ) \| MMU_DESC_WRITE_DISABLE )

#define	AARCH64_MMU_CODE AARCH64_MMU_DATA_RO

#define	AARCH64_MMU_CODE_RW AARCH64_MMU_DATA_RW

#define	AARCH64_MMU_DATA_RW_CACHED ( AARCH64_MMU_FLAGS_BASE \| MMU_DESC_MAIR_ATTR( 3 ) )

#define	AARCH64_MMU_DATA_RW ( AARCH64_MMU_FLAGS_BASE \| MMU_DESC_MAIR_ATTR( 2 ) )

#define	AARCH64_MMU_DEVICE ( AARCH64_MMU_FLAGS_BASE \| MMU_DESC_MAIR_ATTR( 0 ) )

Functions
rtems_status_code	aarch64_mmu_map (uintptr_t addr, uint64_t size, uint64_t flags)

Detailed Description

Definitions used in MMU setup.

Macros