/* fd.h -- Declaration of functions for peripheral to
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/* fd.h -- Declaration of functions for peripheral to
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* communicate with host through file descriptors
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* communicate with host through file descriptors
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Copyright (C) 2002 Richard Prescott <rip@step.polymtl.ca>
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Copyright (C) 2002 Richard Prescott <rip@step.polymtl.ca>
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Copyright (C) 2008 Embecosm Limited
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Copyright (C) 2008 Embecosm Limited
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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 Or1ksim, the OpenRISC 1000 Architectural Simulator.
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This file is part of Or1ksim, the 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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/* This program is commented throughout in a fashion suitable for processing
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/* This program is commented throughout in a fashion suitable for processing
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with Doxygen. */
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with Doxygen. */
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#ifndef FD__H
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#ifndef FD__H
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#define FD__H
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#define FD__H
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/*! Data structure to represent a channel through file descriptors */
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/*! Data structure to represent a channel through file descriptors */
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struct fd_channel
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struct fd_channel
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{
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{
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int fdin;
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int fdin;
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int fdout;
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int fdout;
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};
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};
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/* Global data structures */
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/* Global data structures */
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extern struct channel_ops fd_channel_ops;
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extern struct channel_ops fd_channel_ops;
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/* Function prototypes for external use */
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/* Function prototypes for external use */
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extern int fd_read (void *data,
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extern int fd_read (void *data,
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char *buffer,
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char *buffer,
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int size);
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int size);
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extern int fd_write (void *data,
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extern int fd_write (void *data,
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const char *buffer,
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const char *buffer,
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int size);
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int size);
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#endif /* FD__H */
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#endif /* FD__H */
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