You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
92 lines
2.5 KiB
92 lines
2.5 KiB
/******************************************************************************
|
|
* Copyright (c) 2015-2024 jiangxiaogang<kerndev@foxmail.com>
|
|
*
|
|
* This file is part of KLite distribution.
|
|
*
|
|
* KLite is free software, you can redistribute it and/or modify it under
|
|
* the MIT Licence.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in all
|
|
* copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
* SOFTWARE.
|
|
******************************************************************************/
|
|
#include "internal.h"
|
|
#include "kernel.h"
|
|
|
|
#define MAKE_VERSION_CODE(a,b,c) ((a<<24)|(b<<16)|(c))
|
|
#define KERNEL_VERSION_CODE MAKE_VERSION_CODE(5,1,0)
|
|
|
|
static uint64_t m_tick_count;
|
|
static thread_t m_idle_thread;
|
|
|
|
void kernel_init(void *heap_addr, uint32_t heap_size)
|
|
{
|
|
m_tick_count = 0;
|
|
m_idle_thread = NULL;
|
|
cpu_sys_init();
|
|
sched_init();
|
|
heap_create(heap_addr, heap_size);
|
|
}
|
|
|
|
void kernel_start(void)
|
|
{
|
|
sched_switch();
|
|
cpu_sys_start();
|
|
}
|
|
|
|
void kernel_idle(void)
|
|
{
|
|
void thread_clean_up(void);
|
|
m_idle_thread = thread_self();
|
|
thread_set_priority(m_idle_thread, THREAD_PRIORITY_IDLE);
|
|
while(1)
|
|
{
|
|
thread_clean_up();
|
|
cpu_enter_critical();
|
|
sched_idle();
|
|
cpu_leave_critical();
|
|
}
|
|
}
|
|
|
|
uint32_t kernel_idle_time(void)
|
|
{
|
|
return m_idle_thread ? thread_time(m_idle_thread) : 0;
|
|
}
|
|
|
|
void kernel_tick(uint32_t time)
|
|
{
|
|
m_tick_count += time;
|
|
cpu_enter_critical();
|
|
sched_timing(time);
|
|
sched_preempt(true);
|
|
cpu_leave_critical();
|
|
}
|
|
|
|
uint32_t kernel_tick_count(void)
|
|
{
|
|
return (uint32_t)m_tick_count;
|
|
}
|
|
|
|
uint64_t kernel_tick_count64(void)
|
|
{
|
|
return m_tick_count;
|
|
}
|
|
|
|
uint32_t kernel_version(void)
|
|
{
|
|
return KERNEL_VERSION_CODE;
|
|
}
|
|
|