59 lines
1.5 KiB
C
59 lines
1.5 KiB
C
/*
|
|
* Copyright (c) 2018 Intel Corporation
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
/**
|
|
* @file
|
|
* @brief Thread entry
|
|
*
|
|
* This file provides the common thread entry function
|
|
*/
|
|
|
|
#include <zephyr/kernel.h>
|
|
#ifdef CONFIG_CURRENT_THREAD_USE_TLS
|
|
#include <zephyr/random/random.h>
|
|
|
|
__thread k_tid_t z_tls_current;
|
|
#endif
|
|
|
|
#ifdef CONFIG_STACK_CANARIES_TLS
|
|
extern __thread volatile uintptr_t __stack_chk_guard;
|
|
#endif /* CONFIG_STACK_CANARIES_TLS */
|
|
|
|
/*
|
|
* Common thread entry point function (used by all threads)
|
|
*
|
|
* This routine invokes the actual thread entry point function and passes
|
|
* it three arguments. It also handles graceful termination of the thread
|
|
* if the entry point function ever returns.
|
|
*
|
|
* This routine does not return, and is marked as such so the compiler won't
|
|
* generate preamble code that is only used by functions that actually return.
|
|
*/
|
|
FUNC_NORETURN void z_thread_entry(k_thread_entry_t entry,
|
|
void *p1, void *p2, void *p3)
|
|
{
|
|
#ifdef CONFIG_CURRENT_THREAD_USE_TLS
|
|
z_tls_current = k_sched_current_thread_query();
|
|
#endif
|
|
#ifdef CONFIG_STACK_CANARIES_TLS
|
|
uintptr_t stack_guard;
|
|
|
|
sys_rand_get((uint8_t *)&stack_guard, sizeof(stack_guard));
|
|
__stack_chk_guard = stack_guard;
|
|
__stack_chk_guard <<= 8;
|
|
#endif /* CONFIG_STACK_CANARIES */
|
|
entry(p1, p2, p3);
|
|
|
|
k_thread_abort(k_current_get());
|
|
|
|
/*
|
|
* Compiler can't tell that k_thread_abort() won't return and issues a
|
|
* warning unless we tell it that control never gets this far.
|
|
*/
|
|
|
|
CODE_UNREACHABLE; /* LCOV_EXCL_LINE */
|
|
}
|