b1def7145f
`_current` is now functionally equals to `arch_curr_thread()`, remove its usage in-tree and deprecate it instead of removing it outright, as it has been with us since forever. Signed-off-by: Yong Cong Sin <ycsin@meta.com> Signed-off-by: Yong Cong Sin <yongcong.sin@gmail.com>
47 lines
1,013 B
C
47 lines
1,013 B
C
/*
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* Copyright (c) 2018,2024 Intel Corporation
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <kernel_internal.h>
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#include <zephyr/spinlock.h>
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bool z_spin_lock_valid(struct k_spinlock *l)
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{
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uintptr_t thread_cpu = l->thread_cpu;
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if (thread_cpu != 0U) {
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if ((thread_cpu & 3U) == _current_cpu->id) {
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return false;
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}
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}
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return true;
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}
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bool z_spin_unlock_valid(struct k_spinlock *l)
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{
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uintptr_t tcpu = l->thread_cpu;
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l->thread_cpu = 0;
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if (arch_is_in_isr() && arch_current_thread()->base.thread_state & _THREAD_DUMMY) {
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/* Edge case where an ISR aborted arch_current_thread() */
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return true;
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}
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if (tcpu != (_current_cpu->id | (uintptr_t)arch_current_thread())) {
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return false;
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}
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return true;
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}
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void z_spin_lock_set_owner(struct k_spinlock *l)
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{
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l->thread_cpu = _current_cpu->id | (uintptr_t)arch_current_thread();
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}
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#ifdef CONFIG_KERNEL_COHERENCE
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bool z_spin_lock_mem_coherent(struct k_spinlock *l)
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{
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return arch_mem_coherent((void *)l);
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}
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#endif /* CONFIG_KERNEL_COHERENCE */
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