cache.h File Reference

#include <zephyr/kernel.h>
#include <zephyr/kernel_structs.h>
#include <syscalls/cache.h>

Go to the source code of this file.

Macros
#define	K_CACHE_WB   BIT(0)
#define	K_CACHE_INVD   BIT(1)
#define	K_CACHE_WB_INVD   (K_CACHE_WB | K_CACHE_INVD)
#define	CPU   DT_PATH(cpus, cpu_0)

Functions
int	sys_cache_data_all (int op)
int	sys_cache_data_range (void *addr, size_t size, int op)
int	sys_cache_instr_all (int op)
int	sys_cache_instr_range (void *addr, size_t size, int op)
static size_t	sys_cache_data_line_size_get (void)
	Get the d-cache line size. More...
static size_t	sys_cache_instr_line_size_get (void)

Macro Definition Documentation

CPU

#define CPU   DT_PATH(cpus, cpu_0)

K_CACHE_INVD

#define K_CACHE_INVD   BIT(1)

K_CACHE_WB

#define K_CACHE_WB   BIT(0)

Common operations for the caches

WB means write-back and intends to transfer dirty cache lines to memory in a copy-back cache policy. May be a no-op in write-back cache policy.

INVD means invalidate and will mark cache lines as not valid. A future access to the associated address is guaranteed to generate a memory fetch.

K_CACHE_WB_INVD

#define K_CACHE_WB_INVD   (K_CACHE_WB | K_CACHE_INVD)

Function Documentation

sys_cache_data_all()

int sys_cache_data_all

(

int

op

)

sys_cache_data_line_size_get()

static size_t sys_cache_data_line_size_get ( void  )

inlinestatic

Get the d-cache line size.

The API is provided to get the d-cache line size.

Returns

size of the d-cache line or 0 if the d-cache is not enabled.

sys_cache_data_range()

int sys_cache_data_range	(	void *	addr,
		size_t	size,
		int	op
	)

sys_cache_instr_all()

int sys_cache_instr_all

(

int

op

)

sys_cache_instr_line_size_get()

static size_t sys_cache_instr_line_size_get ( void  )

inlinestatic

sys_cache_instr_range()

int sys_cache_instr_range	(	void *	addr,
		size_t	size,
		int	op
	)