memory-attr-riscv.h File Reference

RISC-V memory attribute DT binding definitions. More...

#include <zephyr/sys/util_macro.h>
#include <zephyr/dt-bindings/memory-attr/memory-attr.h>

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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

RISC-V memory attribute DT binding definitions.