| [f0defd2] | 1 | /*
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| 2 | * Copyright (c) 2012 Jakub Jermar
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | /** @addtogroup genericipc
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| 30 | * @{
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| 31 | */
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| 32 | /** @file
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| 33 | */
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| 34 |
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| 35 | #include <ipc/sysipc_ops.h>
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| [e8039a86] | 36 | #include <ipc/ipc.h>
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| 37 | #include <mm/as.h>
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| 38 | #include <synch/spinlock.h>
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| 39 | #include <proc/task.h>
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| 40 | #include <abi/errno.h>
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| 41 | #include <arch.h>
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| 42 |
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| 43 | static int answer_preprocess(call_t *answer, ipc_data_t *olddata)
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| 44 | {
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| 45 | if (!IPC_GET_RETVAL(answer->data)) {
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| 46 | irq_spinlock_lock(&answer->sender->lock, true);
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| 47 | as_t *as = answer->sender->as;
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| 48 | irq_spinlock_unlock(&answer->sender->lock, true);
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| 49 |
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| 50 | uintptr_t dst_base = (uintptr_t) -1;
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| 51 | int rc = as_area_share(AS, IPC_GET_ARG1(answer->data),
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| 52 | IPC_GET_ARG1(*olddata), as, IPC_GET_ARG2(answer->data),
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| 53 | &dst_base, IPC_GET_ARG3(answer->data));
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| 54 | IPC_SET_ARG4(answer->data, dst_base);
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| 55 | IPC_SET_RETVAL(answer->data, rc);
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| 56 | }
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| 57 |
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| 58 | return EOK;
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| 59 | }
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| [f0defd2] | 60 |
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| 61 | sysipc_ops_t ipc_m_share_in_ops = {
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| 62 | .request_preprocess = null_request_preprocess,
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| [b1e6269] | 63 | .request_forget = null_request_forget,
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| [f0defd2] | 64 | .request_process = null_request_process,
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| [b1e6269] | 65 | .answer_cleanup = null_answer_cleanup,
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| [e8039a86] | 66 | .answer_preprocess = answer_preprocess,
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| [f0defd2] | 67 | .answer_process = null_answer_process,
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| 68 | };
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| 69 |
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| 70 | /** @}
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| 71 | */
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