arch_inlines.h File Reference

#include <zephyr/kernel_structs.h>
#include <zephyr/zsr.h>

Go to the source code of this file.

Macros
#define	XTENSA_RSR(sr)
	Read a special register.
#define	XTENSA_WSR(sr, v)
	Write to a special register.
#define	XTENSA_RUR(ur)
	Read a user register.
#define	XTENSA_WUR(ur, v)
	Write to a user register.

Functions
static ALWAYS_INLINE _cpu_t *	arch_curr_cpu (void)
	Implementation of arch_curr_cpu.
static ALWAYS_INLINE uint32_t	arch_proc_id (void)
	Implementation of arch_proc_id.
static ALWAYS_INLINE unsigned int	arch_num_cpus (void)
	Implementation of arch_num_cpus.

Macro Definition Documentation

XTENSA_RSR

#define XTENSA_RSR

(

sr

)

Value:

        ({uint32_t v; \
         __asm__ volatile ("rsr." sr " %0" : "=a"(v)); \
         v; })

Read a special register.

Parameters

sr	Name of special register.

Returns

Value of special register.

XTENSA_RUR

#define XTENSA_RUR

(

ur

)

Value:

        ({uint32_t v; \
         __asm__ volatile ("rur." ur " %0" : "=a"(v)); \
         v; })

Read a user register.

Parameters

ur	Name of user register.

Returns

Value of user register.

XTENSA_WSR

#define XTENSA_WSR	(		sr,
			v
	)

Value:

        do { \
                __asm__ volatile ("wsr." sr " %0" : : "r"(v)); \
        } while (false)

Write to a special register.

Parameters

sr	Name of special register.
v	Value to be written to special register.

XTENSA_WUR

#define XTENSA_WUR	(		ur,
			v
	)

Value:

        do { \
                __asm__ volatile ("wur." ur " %0" : : "r"(v)); \
        } while (false)

Write to a user register.

Parameters

ur	Name of user register.
v	Value to be written to user register.

Function Documentation

arch_curr_cpu()

static ALWAYS_INLINE _cpu_t * arch_curr_cpu ( void  )

static

Implementation of arch_curr_cpu.

arch_num_cpus()

static ALWAYS_INLINE unsigned int arch_num_cpus ( void  )

static

Implementation of arch_num_cpus.

arch_proc_id()

static ALWAYS_INLINE uint32_t arch_proc_id ( void  )

static

Implementation of arch_proc_id.