/* Serial port emulation via sockets. Copyright (C) 1998-2022 Free Software Foundation, Inc. This file is part of the GNU simulators. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ #ifndef DV_SOCKSER_H #define DV_SOCKSER_H #include "sim-inline.h" /* bits in result of dev_sockser_status */ #define DV_SOCKSER_INPUT_EMPTY 0x1 #define DV_SOCKSER_OUTPUT_EMPTY 0x2 #define DV_SOCKSER_DISCONNECTED 0x4 #ifdef HAVE_DV_SOCKSER /* FIXME: later add a device ptr arg */ extern int dv_sockser_status (SIM_DESC); int dv_sockser_write (SIM_DESC, unsigned char); int dv_sockser_write_buffer (SIM_DESC, const unsigned char *, unsigned); int dv_sockser_read (SIM_DESC); #else /* If dv-sockser isn't available, provide stub functions. */ STATIC_INLINE int dv_sockser_status (SIM_DESC sd) { return (DV_SOCKSER_INPUT_EMPTY | DV_SOCKSER_OUTPUT_EMPTY | DV_SOCKSER_DISCONNECTED); } STATIC_INLINE int dv_sockser_write (SIM_DESC sd, unsigned char c) { return -1; } STATIC_INLINE int dv_sockser_write_buffer (SIM_DESC sd, const unsigned char *buffer, unsigned nr_bytes) { return -1; } STATIC_INLINE int dv_sockser_read (SIM_DESC sd) { return -1; } #endif /* HAVE_DV_SOCKSER */ #endif /* DV_SOCKSER_H */