037cb87276
With spinlock debugging enabled LLEXTs need additional symbols exported by the kernel. Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
52 lines
1.1 KiB
C
52 lines
1.1 KiB
C
/*
|
|
* Copyright (c) 2018,2024 Intel Corporation
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
#include <kernel_internal.h>
|
|
#include <zephyr/spinlock.h>
|
|
#include <zephyr/llext/symbol.h>
|
|
|
|
bool z_spin_lock_valid(struct k_spinlock *l)
|
|
{
|
|
uintptr_t thread_cpu = l->thread_cpu;
|
|
|
|
if (thread_cpu != 0U) {
|
|
if ((thread_cpu & 3U) == _current_cpu->id) {
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
EXPORT_SYMBOL(z_spin_lock_valid);
|
|
|
|
bool z_spin_unlock_valid(struct k_spinlock *l)
|
|
{
|
|
uintptr_t tcpu = l->thread_cpu;
|
|
|
|
l->thread_cpu = 0;
|
|
|
|
if (arch_is_in_isr() && _current->base.thread_state & _THREAD_DUMMY) {
|
|
/* Edge case where an ISR aborted _current */
|
|
return true;
|
|
}
|
|
if (tcpu != (_current_cpu->id | (uintptr_t)_current)) {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
EXPORT_SYMBOL(z_spin_unlock_valid);
|
|
|
|
void z_spin_lock_set_owner(struct k_spinlock *l)
|
|
{
|
|
l->thread_cpu = _current_cpu->id | (uintptr_t)_current;
|
|
}
|
|
EXPORT_SYMBOL(z_spin_lock_set_owner);
|
|
|
|
#ifdef CONFIG_KERNEL_COHERENCE
|
|
bool z_spin_lock_mem_coherent(struct k_spinlock *l)
|
|
{
|
|
return arch_mem_coherent((void *)l);
|
|
}
|
|
EXPORT_SYMBOL(z_spin_lock_mem_coherent);
|
|
#endif /* CONFIG_KERNEL_COHERENCE */
|