RISC-V memory attributes

Files
file	memory-attr-riscv.h
	RISC-V memory attribute DT binding definitions.

Macros
#define	DT_MEM_RISCV_GET(x)
	Extract RISC-V-specific bits from a full zephyr,memory-attr value.
#define	DT_MEM_RISCV_TYPE_MAIN   DT_MEM_RISCV(ATTR_RISCV_TYPE_MAIN)
	Main (DRAM) memory type.
#define	DT_MEM_RISCV_TYPE_IO   DT_MEM_RISCV(ATTR_RISCV_TYPE_IO)
	I/O memory type.
#define	DT_MEM_RISCV_TYPE_IO_R   DT_MEM_RISCV(ATTR_RISCV_TYPE_IO_R)
	I/O memory with read attribute.
#define	DT_MEM_RISCV_TYPE_IO_W   DT_MEM_RISCV(ATTR_RISCV_TYPE_IO_W)
	I/O memory with write attribute.
#define	DT_MEM_RISCV_TYPE_IO_X   DT_MEM_RISCV(ATTR_RISCV_TYPE_IO_X)
	I/O memory with execute attribute.
#define	DT_MEM_RISCV_TYPE_EMPTY   DT_MEM_RISCV(ATTR_RISCV_TYPE_EMPTY)
	Empty or reserved memory type.
#define	DT_MEM_RISCV_AMO_SWAP   DT_MEM_RISCV(ATTR_RISCV_AMO_SWAP)
	AMO swap operations supported.
#define	DT_MEM_RISCV_AMO_LOGICAL   DT_MEM_RISCV(ATTR_RISCV_AMO_LOGICAL)
	AMO logical operations supported.
#define	DT_MEM_RISCV_AMO_ARITHMETIC   DT_MEM_RISCV(ATTR_RISCV_AMO_ARITHMETIC)
	AMO arithmetic operations supported.
#define	DT_MEM_RISCV_IO_IDEMPOTENT_READ   DT_MEM_RISCV(ATTR_RISCV_IO_IDEMPOTENT_READ)
	I/O memory with idempotent read attribute.
#define	DT_MEM_RISCV_IO_IDEMPOTENT_WRITE   DT_MEM_RISCV(ATTR_RISCV_IO_IDEMPOTENT_WRITE)
	I/O memory with idempotent write attribute.
#define	DT_MEM_RISCV_UNKNOWN   DT_MEM_ARCH_ATTR_UNKNOWN
	Unknown or unsupported RISC-V memory type.

Detailed Description

Macro Definition Documentation

DT_MEM_RISCV_AMO_ARITHMETIC

#define DT_MEM_RISCV_AMO_ARITHMETIC   DT_MEM_RISCV(ATTR_RISCV_AMO_ARITHMETIC)

#include <memory-attr-riscv.h>

AMO arithmetic operations supported.

DT_MEM_RISCV_AMO_LOGICAL

#define DT_MEM_RISCV_AMO_LOGICAL   DT_MEM_RISCV(ATTR_RISCV_AMO_LOGICAL)

#include <memory-attr-riscv.h>

AMO logical operations supported.

DT_MEM_RISCV_AMO_SWAP

#define DT_MEM_RISCV_AMO_SWAP   DT_MEM_RISCV(ATTR_RISCV_AMO_SWAP)

#include <memory-attr-riscv.h>

AMO swap operations supported.

DT_MEM_RISCV_GET

#define DT_MEM_RISCV_GET

(

x

)

#include <memory-attr-riscv.h>

Value:

((x) & DT_MEM_RISCV_MASK)

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

Parameters

x	Value to extract RISC-V-specific memory attribute bits from.

Returns

RISC-V-specific memory attribute bits.

DT_MEM_RISCV_IO_IDEMPOTENT_READ

#define DT_MEM_RISCV_IO_IDEMPOTENT_READ   DT_MEM_RISCV(ATTR_RISCV_IO_IDEMPOTENT_READ)

#include <memory-attr-riscv.h>

I/O memory with idempotent read attribute.

DT_MEM_RISCV_IO_IDEMPOTENT_WRITE

#define DT_MEM_RISCV_IO_IDEMPOTENT_WRITE   DT_MEM_RISCV(ATTR_RISCV_IO_IDEMPOTENT_WRITE)

#include <memory-attr-riscv.h>

I/O memory with idempotent write attribute.

DT_MEM_RISCV_TYPE_EMPTY

#define DT_MEM_RISCV_TYPE_EMPTY   DT_MEM_RISCV(ATTR_RISCV_TYPE_EMPTY)

#include <memory-attr-riscv.h>

Empty or reserved memory type.

DT_MEM_RISCV_TYPE_IO

#define DT_MEM_RISCV_TYPE_IO   DT_MEM_RISCV(ATTR_RISCV_TYPE_IO)

#include <memory-attr-riscv.h>

I/O memory type.

DT_MEM_RISCV_TYPE_IO_R

#define DT_MEM_RISCV_TYPE_IO_R   DT_MEM_RISCV(ATTR_RISCV_TYPE_IO_R)

#include <memory-attr-riscv.h>

I/O memory with read attribute.

DT_MEM_RISCV_TYPE_IO_W

#define DT_MEM_RISCV_TYPE_IO_W   DT_MEM_RISCV(ATTR_RISCV_TYPE_IO_W)

#include <memory-attr-riscv.h>

I/O memory with write attribute.

DT_MEM_RISCV_TYPE_IO_X

#define DT_MEM_RISCV_TYPE_IO_X   DT_MEM_RISCV(ATTR_RISCV_TYPE_IO_X)

#include <memory-attr-riscv.h>

I/O memory with execute attribute.

DT_MEM_RISCV_TYPE_MAIN

#define DT_MEM_RISCV_TYPE_MAIN   DT_MEM_RISCV(ATTR_RISCV_TYPE_MAIN)

#include <memory-attr-riscv.h>

Main (DRAM) memory type.

DT_MEM_RISCV_UNKNOWN

#define DT_MEM_RISCV_UNKNOWN   DT_MEM_ARCH_ATTR_UNKNOWN

#include <memory-attr-riscv.h>

Unknown or unsupported RISC-V memory type.