sof/src/spinlock.c at 5e7454458055e287bdc293501eb1a351483a9fb5 · thesofproject/sof · GitHub

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// SPDX-License-Identifier: BSD-3-Clause
//
// Copyright(c) 2020 Intel Corporation. All rights reserved.
//
// Author: Tomasz Lauda <tomasz.lauda@linux.intel.com>

#include <rtos/interrupt.h>
#if CONFIG_DEBUG_LOCKS
#include <sof/lib/uuid.h>
#endif
#include <rtos/spinlock.h>

#include <stdint.h>

#if CONFIG_DEBUG_LOCKS

SOF_DEFINE_REG_UUID(spinlock);

DECLARE_TR_CTX(sl_tr, SOF_UUID(spinlock_uuid), LOG_LEVEL_INFO);

#endif

#ifndef __ZEPHYR__
k_spinlock_key_t _k_spin_lock_irq(struct k_spinlock *lock)
{
	k_spinlock_key_t key = interrupt_global_disable();
#if CONFIG_DEBUG_LOCKS
	lock_dbg_atomic++;
#endif
	arch_spin_lock(lock);
#if CONFIG_DEBUG_LOCKS
	if (lock_dbg_atomic < DBG_LOCK_USERS)
		lock_dbg_user[lock_dbg_atomic - 1] = (lock)->user;
#endif
	return key;
}

void _k_spin_unlock_irq(struct k_spinlock *lock, k_spinlock_key_t key, int line)
{
	arch_spin_unlock(lock);
#if CONFIG_DEBUG_LOCKS
	lock_dbg_atomic--;
#endif
	interrupt_global_enable(key);
}
#endif