9547c02b82
1.Kernel initialization abandons the section feature and uses it only for user initialization. 2.The kernel work queue is optimized, and the transfer of the work queue in the threading environment can be completed by obtaining the semaphore in the hook and releasing the semaphore by the wakeup node.
66 lines
1.5 KiB
C
66 lines
1.5 KiB
C
/**
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* @copyright (c) 2024, MacRsh
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*
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* @license SPDX-License-Identifier: Apache-2.0
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*
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* @date 2024-09-06 MacRsh First version
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*/
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#include <kernel/mr_initcall.h>
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#include <libc/mr_atomic.h>
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/* Kernel and user init status */
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static mr_atomic_t kstatus = MR_ATOMIC_INIT(MR_FALSE);
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static mr_atomic_t ustatus = MR_ATOMIC_INIT(MR_FALSE);
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MR_INLINE void start(void) {
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}
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MR_INIT_EXPORT(start, "0.end");
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MR_INLINE void end(void) {
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}
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MR_INIT_EXPORT(end, "9.end");
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void mr_kernel_init(void) {
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mr_atomic_t inited;
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/* Check kernel init status */
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mr_atomic_store(&inited, MR_FALSE);
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if (!mr_atomic_compare_exchange(&kstatus, &inited, MR_TRUE)) {
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/* Kernel already init */
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return;
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}
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/* Kernel init */
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#if defined(MR_USE_KTIMER)
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/* Init ktimer */
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extern void mr_ktimer_kernel_init(void);
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mr_ktimer_kernel_init();
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#endif /* defined(MR_USE_KTIMER) */
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#if defined(MR_USE_KWORKQUEUE)
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/* Init kworkqueue */
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extern void mr_kworkqueue_kernel_init(void);
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mr_kworkqueue_kernel_init();
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#endif /* defined(MR_USE_KWORKQUEUE) */
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}
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void mr_user_init(void) {
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const mr_initcall_t *call;
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mr_atomic_t inited;
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/* Kernel */
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mr_kernel_init();
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/* Check user init status */
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mr_atomic_store(&inited, MR_FALSE);
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if (!mr_atomic_compare_exchange(&ustatus, &inited, MR_TRUE)) {
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/* User already init */
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return;
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}
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/* Execute initcalls */
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for (call = &__mr_initcall_start; call <= &__mr_initcall_end; call++) {
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call->entry();
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}
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}
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