/*
* Copyright (c) 2012 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_ipc
* @{
*/
/** @file
*/
#include <ipc/sysipc_ops.h>
#include <ipc/ipc.h>
#include <mm/as.h>
#include <synch/spinlock.h>
#include <proc/task.h>
#include <abi/errno.h>
#include <arch.h>
static errno_t answer_preprocess(call_t *answer, ipc_data_t *olddata)
{
if (!ipc_get_retval(&answer->data)) {
irq_spinlock_lock(&answer->sender->lock, true);
as_t *as = answer->sender->as;
irq_spinlock_unlock(&answer->sender->lock, true);
uintptr_t dst_base = (uintptr_t) -1;
errno_t rc = as_area_share(AS, ipc_get_arg1(&answer->data),
ipc_get_arg1(olddata), as, ipc_get_arg2(&answer->data),
&dst_base, ipc_get_arg2(olddata));
ipc_set_arg5(&answer->data, dst_base);
ipc_set_retval(&answer->data, rc);
}
return EOK;
}
sysipc_ops_t ipc_m_share_in_ops = {
.request_preprocess = null_request_preprocess,
.request_forget = null_request_forget,
.request_process = null_request_process,
.answer_cleanup = null_answer_cleanup,
.answer_preprocess = answer_preprocess,
.answer_process = null_answer_process,
};
/** @}
*/