/* ipc.h. Microkernel IPC header for Or1ksim
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/* ipc.h. Microkernel IPC header for Or1ksim
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Copyright (C) 2000 Damjan Lampret
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Copyright (C) 2000 Damjan Lampret
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Copyright (C) 2010 Embecosm Limited
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Copyright (C) 2010 Embecosm Limited
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Contributor Damjan Lampret <lampret@opencores.org>
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Contributor Damjan Lampret <lampret@opencores.org>
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Contributor Jeremy Bennett <jeremy.bennett@embecosm.com>
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Contributor Jeremy Bennett <jeremy.bennett@embecosm.com>
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This file is part of OpenRISC 1000 Architectural Simulator.
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This file is part of OpenRISC 1000 Architectural Simulator.
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This program is free software; you can redistribute it and/or modify it
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This program is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the Free
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under the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3 of the License, or (at your option)
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Software Foundation; either version 3 of the License, or (at your option)
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any later version.
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any later version.
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This program is distributed in the hope that it will be useful, but WITHOUT
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details.
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more details.
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You should have received a copy of the GNU General Public License along
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You should have received a copy of the GNU General Public License along
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with this program. If not, see <http: www.gnu.org/licenses/>. */
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with this program. If not, see <http: www.gnu.org/licenses/>. */
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/* ----------------------------------------------------------------------------
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/* ----------------------------------------------------------------------------
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This code is commented throughout for use with Doxygen.
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This code is commented throughout for use with Doxygen.
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--------------------------------------------------------------------------*/
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--------------------------------------------------------------------------*/
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/* This file is part of test microkernel for OpenRISC 1000. */
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/* This file is part of test microkernel for OpenRISC 1000. */
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/* Operation completed sucessfully. */
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/* Operation completed sucessfully. */
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#define IPC_NOERR 0
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#define IPC_NOERR 0
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/* Can't send any messages due to lack of free MCBs. */
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/* Can't send any messages due to lack of free MCBs. */
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#define IPC_EOUTOFMCBS 1
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#define IPC_EOUTOFMCBS 1
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/* Sending message: No such destination task.
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/* Sending message: No such destination task.
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Receiving message: No such origin task. */
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Receiving message: No such origin task. */
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#define IPC_ENOTASK 2
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#define IPC_ENOTASK 2
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/* Message to big to be sent or receive buffer is to small for
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/* Message to big to be sent or receive buffer is to small for
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receiving message. If receiving then try again with bigger buffer. */
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receiving message. If receiving then try again with bigger buffer. */
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#define IPC_ETOOBIG 3
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#define IPC_ETOOBIG 3
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/* No messages waiting to be received. */
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/* No messages waiting to be received. */
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#define IPC_ENOMSGS 4
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#define IPC_ENOMSGS 4
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/* Send message in buffer buf of size len to task desttask. */
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/* Send message in buffer buf of size len to task desttask. */
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void uos_msgsnd(tid_t desttask, char *buf, int len);
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void uos_msgsnd(tid_t desttask, char *buf, int len);
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/* Receive message of max size len from task origintask and put it
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/* Receive message of max size len from task origintask and put it
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into buffer buf. If origintask is zero then get the first message
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into buffer buf. If origintask is zero then get the first message
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from the message queue. */
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from the message queue. */
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void uos_msgrcv(tid_t origintask, char *buf, int len);
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void uos_msgrcv(tid_t origintask, char *buf, int len);
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