File: [local] / prex-old / sys / kern / main.c (download)
Revision 1.1.1.1 (vendor branch), Tue Jun 3 09:38:46 2008 UTC (16 years, 3 months ago) by nbrk
Branch: MAIN, KOHSUKE
CVS Tags: PREX_0_7_BASE, HEAD Branch point for: PREX_0_8_BASE
Changes since 1.1: +0 -0 lines
Yeah, this is an initial import of Prex, portable real-time microkernel
operating system. I wanna hack it for non-profit but fun, so let it in.
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/*-
* Copyright (c) 2005-2007, Kohsuke Ohtani
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/*
* main.c - kernel main routine
*/
#include <kernel.h>
#include <task.h>
#include <thread.h>
#include <timer.h>
#include <page.h>
#include <kmem.h>
#include <vm.h>
#include <sched.h>
#include <exception.h>
#include <irq.h>
#include <ipc.h>
#include <device.h>
#include <sync.h>
#include <version.h>
/*
* Initialization code.
* This is called from kernel_start() routine that
* is implemented in the architecture dependent layer.
* We assumes that the following machine state are
* already set before this routine.
* - Kernel BSS section is filled with 0.
* - Kernel stack is configured.
* - All interrupts are disabled.
* - Minimum page table is set. (MMU only)
*/
void
kernel_main(void)
{
/*
* Do machine-dependent
* initialization.
*/
diag_init();
printk(BANNAR);
sched_lock();
machine_init();
/*
* Initialize memory managers.
*/
page_init();
mmu_init();
kmem_init();
vm_init();
/*
* Initialize kernel core.
*/
task_init();
thread_init();
sched_init();
exception_init();
timer_init();
/*
* Initialize IPC related stuff.
*/
object_init();
msg_init();
/*
* Enable interrupt and
* initialize devices.
*/
irq_init();
clock_init();
device_init();
/*
* Set up boot tasks and
* start scheduler.
*/
task_bootstrap();
sched_unlock();
/*
* Enter idle loop.
*/
thread_idle();
/* NOTREACHED */
}