sel4-sys 0.0.28

Rust interface to the seL4 kernel
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/*
 * Copyright 2016, Data61
 * Commonwealth Scientific and Industrial Research Organisation (CSIRO)
 * ABN 41 687 119 230.
 *
 * This software may be distributed and modified according to the terms of
 * the GNU General Public License version 2. Note that NO WARRANTY is provided.
 * See "LICENSE_GPLv2.txt" for details.
 *
 * @TAG(DATA61_GPL)
 */

#include <config.h>
#include <smp/lock.h>

#if CONFIG_MAX_NUM_NODES > 1

clh_lock_t big_kernel_lock ALIGN(L1_CACHE_LINE_SIZE);

BOOT_CODE void
clh_lock_init(void)
{
    for (int i = 0; i < CONFIG_MAX_NUM_NODES; i++) {
        big_kernel_lock.node_owners[i].node = &big_kernel_lock.nodes[i];
    }

    /* Initialize the CLH head */
    big_kernel_lock.nodes[CONFIG_MAX_NUM_NODES].value = CLHState_Granted;
    big_kernel_lock.head = &big_kernel_lock.nodes[CONFIG_MAX_NUM_NODES];
}

#endif /* CONFIG_MAX_NUM_NODES */