#include "pico.h"
#include "hardware/address_mapped.h"
#include "hardware/regs/sio.h"

Include dependency graph for sync.h:

This graph shows which files directly or indirectly include this file:

Macros
#define	PARAM_ASSERTIONS_ENABLED_SYNC 0

#define	PICO_SPINLOCK_ID_IRQ 9

#define	PICO_SPINLOCK_ID_TIMER 10

#define	PICO_SPINLOCK_ID_HARDWARE_CLAIM 11

#define	PICO_SPINLOCK_ID_RAND 12

#define	PICO_SPINLOCK_ID_OS1 14

#define	PICO_SPINLOCK_ID_OS2 15

#define	PICO_SPINLOCK_ID_STRIPED_FIRST 16

#define	PICO_SPINLOCK_ID_STRIPED_LAST 23

#define	PICO_SPINLOCK_ID_CLAIM_FREE_FIRST 24

#define	PICO_SPINLOCK_ID_CLAIM_FREE_LAST 31

#define	remove_volatile_cast(t, x) ({__mem_fence_acquire(); (t)(x); })

Typedefs
typedef volatile uint32_t	spin_lock_t
	A spin lock identifier.

Functions
static __force_inline void	__sev (void)
	Insert a SEV instruction in to the code path. More...

static __force_inline void	__wfe (void)
	Insert a WFE instruction in to the code path. More...

static __force_inline void	__wfi (void)
	Insert a WFI instruction in to the code path. More...

static __force_inline void	__dmb (void)
	Insert a DMB instruction in to the code path. More...

static __force_inline void	__dsb (void)
	Insert a DSB instruction in to the code path. More...

static __force_inline void	__isb (void)
	Insert a ISB instruction in to the code path. More...

static __force_inline void	__mem_fence_acquire (void)
	Acquire a memory fence.

static __force_inline void	__mem_fence_release (void)
	Release a memory fence.

static __force_inline uint32_t	save_and_disable_interrupts (void)
	Save and disable interrupts. More...

static __force_inline void	restore_interrupts (uint32_t status)
	Restore interrupts to a specified state. More...

static __force_inline spin_lock_t *	spin_lock_instance (uint lock_num)
	Get HW Spinlock instance from number. More...

static __force_inline uint	spin_lock_get_num (spin_lock_t *lock)
	Get HW Spinlock number from instance. More...

static __force_inline void	spin_lock_unsafe_blocking (spin_lock_t *lock)
	Acquire a spin lock without disabling interrupts (hence unsafe) More...

static __force_inline void	spin_unlock_unsafe (spin_lock_t *lock)
	Release a spin lock without re-enabling interrupts. More...

static __force_inline uint32_t	spin_lock_blocking (spin_lock_t *lock)
	Acquire a spin lock safely. More...

static bool	is_spin_locked (spin_lock_t *lock)
	Check to see if a spinlock is currently acquired elsewhere. More...

static __force_inline void	spin_unlock (spin_lock_t *lock, uint32_t saved_irq)
	Release a spin lock safely. More...

spin_lock_t *	spin_lock_init (uint lock_num)
	Initialise a spin lock. More...

void	spin_locks_reset (void)
	Release all spin locks.

uint	next_striped_spin_lock_num (void)
	Return a spin lock number from the striped range. More...

void	spin_lock_claim (uint lock_num)
	Mark a spin lock as used. More...

void	spin_lock_claim_mask (uint32_t lock_num_mask)
	Mark multiple spin locks as used. More...

void	spin_lock_unclaim (uint lock_num)
	Mark a spin lock as no longer used. More...

int	spin_lock_claim_unused (bool required)
	Claim a free spin lock. More...

bool	spin_lock_is_claimed (uint lock_num)
	Determine if a spin lock is claimed. More...

Macros

Typedefs

Functions