mmu-vmsav8-64.h File Reference

Definitions used in MMU setup. More...

#include <rtems.h>

Go to the source code of this file.

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)
#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.

Macro Definition Documentation

MMU_DESC_MAIR_ATTR

#define MMU_DESC_MAIR_ATTR

(

val

)

Value:

( ( val & 0x3 ) << 2 )