Generic memory attributes

Generic memory attributes that should be common to all architectures. More...

Macros
#define	DT_MEM_ATTR_GET(x)
	Extract generic memory attribute bits from a full zephyr,memory-attr value.
#define	DT_MEM_CACHEABLE   BIT(0)
	Memory is cacheable.
#define	DT_MEM_NON_VOLATILE   BIT(1)
	Memory is non-volatile.
#define	DT_MEM_OOO   BIT(2)
	Memory supports out-of-order access.
#define	DT_MEM_DMA   BIT(3)
	Memory is usable for DMA.
#define	DT_MEM_UNKNOWN   BIT(15)
	Generic memory attributes are unknown.

Detailed Description

Generic memory attributes that should be common to all architectures.

Macro Definition Documentation

DT_MEM_ATTR_GET

#define DT_MEM_ATTR_GET

(

x

)

#include <memory-attr.h>

Value:

((x) & DT_MEM_ATTR_MASK)

Extract generic memory attribute bits from a full zephyr,memory-attr value.

Parameters

x	Value to extract generic memory attribute bits from.

Returns

Generic memory attribute bits.

DT_MEM_CACHEABLE

#define DT_MEM_CACHEABLE   BIT(0)

#include <memory-attr.h>

Memory is cacheable.

DT_MEM_DMA

#define DT_MEM_DMA   BIT(3)

#include <memory-attr.h>

Memory is usable for DMA.

DT_MEM_NON_VOLATILE

#define DT_MEM_NON_VOLATILE   BIT(1)

#include <memory-attr.h>

Memory is non-volatile.

DT_MEM_OOO

#define DT_MEM_OOO   BIT(2)

#include <memory-attr.h>

Memory supports out-of-order access.

DT_MEM_UNKNOWN

#define DT_MEM_UNKNOWN   BIT(15)

#include <memory-attr.h>

Generic memory attributes are unknown.