/*
* Copyright (c) 2005 Jakub Jermar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - 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.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
*/
/** @addtogroup kernel_generic
* @{
*/
/**
* @file
* @brief Userspace bootstrap thread.
*
* This file contains uinit kernel thread wich is used to start every
* userspace thread including threads created by SYS_THREAD_CREATE syscall.
*
* @see SYS_THREAD_CREATE
*/
#include <main/uinit.h>
#include <typedefs.h>
#include <proc/thread.h>
#include <userspace.h>
#include <stdlib.h>
#include <arch.h>
#include <udebug/udebug.h>
/** Thread used to bring up userspace thread.
*
* @param arg Pointer to structure containing userspace entry and stack
* addresses.
*/
void uinit(void *arg)
{
#ifdef CONFIG_UDEBUG
udebug_stoppable_end();
#endif
uinit_arg_t *uarg = arg;
sysarg_t pc = uarg->pc;
sysarg_t sp = uarg->sp;
free(uarg);
userspace(pc, sp);
}
/** @}
*/