46 lines
1.3 KiB
C
46 lines
1.3 KiB
C
/*
|
|
* Copyright 2016, General Dynamics C4 Systems
|
|
*
|
|
* 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(GD_GPL)
|
|
*/
|
|
|
|
#ifndef __KERNEL_TRAPS_H
|
|
#define __KERNEL_TRAPS_H
|
|
|
|
#include <config.h>
|
|
#include <util.h>
|
|
#include <arch/kernel/traps.h>
|
|
#include <arch/kernel/lock.h>
|
|
|
|
/* This C function should be the first thing called from C after entry from
|
|
* assembly. It provides a single place to do any entry work that is not
|
|
* done in assembly for various reasons */
|
|
static inline void c_entry_hook(void)
|
|
{
|
|
NODE_LOCK;
|
|
|
|
arch_c_entry_hook();
|
|
#if defined(CONFIG_BENCHMARK_TRACK_KERNEL_ENTRIES) || defined(CONFIG_BENCHMARK_TRACK_UTILISATION)
|
|
ksEnter = timestamp();
|
|
#endif
|
|
}
|
|
|
|
/* This C function should be the last thing called from C before exiting
|
|
* the kernel (be it to assembly or returning to user space). It provides
|
|
* a place to provide any additional instrumentation or functionality
|
|
* in C before leaving the kernel */
|
|
static inline void c_exit_hook(void)
|
|
{
|
|
#ifdef CONFIG_BENCHMARK_TRACK_KERNEL_ENTRIES
|
|
benchmark_track_exit();
|
|
#endif /* CONFIG_BENCHMARK_TRACK_KERNEL_ENTRIES */
|
|
arch_c_exit_hook();
|
|
|
|
NODE_UNLOCK;
|
|
}
|
|
|
|
#endif /* __KERNEL_TRAPS_H */
|