ARM64 memory attributes

Files
file	memory-attr-arm64.h
	ARM64 specific memory attribute definitions for devicetree.

Macros
#define	DT_MEM_ARM64_GET(x)
	Extract ARM64-specific bits from a full zephyr,memory-attr value.
#define	DT_MEM_ARM64_MMU_NORMAL_NC   (0)
	Normal non-cacheable memory.
#define	DT_MEM_ARM64_MMU_NORMAL_WT   (DT_MEM_CACHEABLE)
	Normal write-through cacheable memory.
#define	DT_MEM_ARM64_MMU_NORMAL
	Normal write-back cacheable memory.
#define	DT_MEM_ARM64_MMU_UNKNOWN   DT_MEM_ARCH_ATTR_UNKNOWN
	DT value for unknown or unsupported memory type.

Detailed Description

Macro Definition Documentation

DT_MEM_ARM64_GET

#define DT_MEM_ARM64_GET

(

x

)

#include <memory-attr-arm64.h>

Value:

((x) & DT_MEM_ARM64_MASK)

Extract ARM64-specific bits from a full zephyr,memory-attr value.

Parameters

x	Value to extract ARM64-specific memory attribute bits from.

Returns

ARM64-specific memory attribute bits.

DT_MEM_ARM64_MMU_NORMAL

#define DT_MEM_ARM64_MMU_NORMAL

#include <memory-attr-arm64.h>

Value:

(DT_MEM_CACHEABLE | \
DT_MEM_ARM64(ATTR_ARM64_CACHE_WB))

Normal write-back cacheable memory.

DT_MEM_ARM64_MMU_NORMAL_NC

#define DT_MEM_ARM64_MMU_NORMAL_NC   (0)

#include <memory-attr-arm64.h>

Normal non-cacheable memory.

DT_MEM_ARM64_MMU_NORMAL_WT

#define DT_MEM_ARM64_MMU_NORMAL_WT   (DT_MEM_CACHEABLE)

#include <memory-attr-arm64.h>

Normal write-through cacheable memory.

DT_MEM_ARM64_MMU_UNKNOWN

#define DT_MEM_ARM64_MMU_UNKNOWN   DT_MEM_ARCH_ATTR_UNKNOWN

#include <memory-attr-arm64.h>

DT value for unknown or unsupported memory type.