ardix/include/arch-generic/sched.h

49 lines
1.3 KiB
C

/* See the end of this file for copyright, license, and warranty information. */
#pragma once
#include <arch/hardware.h>
#include <toolchain.h>
struct task; /* see include/ardix/sched.h */
/**
* Initialize a hardware timer for schduling.
*
* @param freq: The timer frequency in Hertz.
*/
int arch_sched_hwtimer_init(unsigned int freq);
/**
* Initialize a new process.
* This requires the process' `stack_base` field to be initialized as the
* initial register values are written to the stack.
*
* @param process: The process.
* @param entry: The process entry point.
*/
void arch_task_init(struct task *task, void (*entry)(void));
int arch_idle_task_init(struct task *task);
/**
* @brief Convert milliseconds to system ticks, rounding to zero.
*
* @param ms Amount of milliseconds
* @returns Equivalent time in system ticks
*/
unsigned long int ms_to_ticks(unsigned long ms);
/*
* This file is part of Ardix.
* Copyright (c) 2020, 2021 Felix Kopp <owo@fef.moe>.
*
* Ardix is non-violent software: you may only use, redistribute,
* and/or modify it under the terms of the CNPLv6+ as found in
* the LICENSE file in the source code root directory or at
* <https://git.pixie.town/thufie/CNPL>.
*
* Ardix comes with ABSOLUTELY NO WARRANTY, to the extent
* permitted by applicable law. See the CNPLv6+ for details.
*/