42 lines
1.2 KiB
C
42 lines
1.2 KiB
C
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/* See the end of this file for copyright, license, and warranty information. */
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#pragma once
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#include <arch/hardware.h>
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#include <ardix/sched.h>
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#include <toolchain.h>
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/**
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* @brief New tasks point their initial program counter here.
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*/
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extern void _leave(void);
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extern void _do_switch(struct context *old, struct context *new);
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/**
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* @brief Perform an in-kernel context switch.
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* This is called from `schedule()`, and will suspend the current task.
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* The call returns when the current task is woken back up.
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*
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* @param old Currently running task in whose TCB the context will be stored
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* @param new Task to switch to, must not be the same as `old`
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*/
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__always_inline void do_switch(struct task *old, struct task *new)
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{
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_do_switch(&old->tcb.context, &new->tcb.context);
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}
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/*
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* This file is part of Ardix.
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* Copyright (c) 2020, 2021 Felix Kopp <owo@fef.moe>.
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*
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* Ardix is non-violent software: you may only use, redistribute,
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* and/or modify it under the terms of the CNPLv6+ as found in
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* the LICENSE file in the source code root directory or at
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* <https://git.pixie.town/thufie/CNPL>.
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*
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* Ardix comes with ABSOLUTELY NO WARRANTY, to the extent
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* permitted by applicable law. See the CNPLv6+ for details.
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*/
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