/* This file is part of the program psim.
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/* This file is part of the program psim.
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Copyright (C) 1994-1995,1998, Andrew Cagney <cagney@highland.com.au>
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Copyright (C) 1994-1995,1998, Andrew Cagney <cagney@highland.com.au>
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This program is free software; you can redistribute it and/or modify
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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*/
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#ifndef _SIM_CALLBACKS_H_
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#ifndef _SIM_CALLBACKS_H_
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#define _SIM_CALLBACKS_H_
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#define _SIM_CALLBACKS_H_
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/* Simulator output:
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/* Simulator output:
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Functions to report diagnostic information to the user. */
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Functions to report diagnostic information to the user. */
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#define printf_filtered sim_io_printf_filtered
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#define printf_filtered sim_io_printf_filtered
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void sim_io_printf_filtered
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void sim_io_printf_filtered
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(const char *msg, ...) __attribute__ ((format (printf, 1, 2)));
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(const char *msg, ...) __attribute__ ((format (printf, 1, 2)));
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void NORETURN error
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void NORETURN error
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(const char *msg, ...);
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(const char *msg, ...);
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/* External environment:
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/* External environment:
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Some HOST OS's require regular polling so that external events such
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Some HOST OS's require regular polling so that external events such
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as GUI io can be handled. */
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as GUI io can be handled. */
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void sim_io_poll_quit
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void sim_io_poll_quit
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(void);
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(void);
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/* Model I/O:
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/* Model I/O:
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These functions provide the interface between the modeled targets
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These functions provide the interface between the modeled targets
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standard input and output streams and the hosts external
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standard input and output streams and the hosts external
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environment.
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environment.
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The underlying model is responsible for co-ordinating I/O
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The underlying model is responsible for co-ordinating I/O
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interactions such as:
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interactions such as:
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main()
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main()
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{
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{
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const char mess[] = "Hello World\r\n";
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const char mess[] = "Hello World\r\n";
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int out;
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int out;
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out = dup(1);
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out = dup(1);
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close(1);
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close(1);
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write(out, mess, sizeof(mess))
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write(out, mess, sizeof(mess))
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}
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}
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That is to say, the underlying model would, in implementing dup()
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That is to say, the underlying model would, in implementing dup()
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recorded the fact that any output directed at fid-OUT should be
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recorded the fact that any output directed at fid-OUT should be
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displayed using sim_io_write_stdout(). While for the code stub:
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displayed using sim_io_write_stdout(). While for the code stub:
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main()
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main()
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{
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{
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const char mess[] = "Hello World\r\n";
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const char mess[] = "Hello World\r\n";
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int out;
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int out;
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close(1);
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close(1);
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out = open("output", 0x0001|0x0200, 0); // write+create
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out = open("output", 0x0001|0x0200, 0); // write+create
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out = dup(1);
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out = dup(1);
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write(out, mess, sizeof(mess))
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write(out, mess, sizeof(mess))
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}
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}
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would result in output to fid-1 being directed towards the file
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would result in output to fid-1 being directed towards the file
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"output". */
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"output". */
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int
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int
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sim_io_write_stdout
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sim_io_write_stdout
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(const char *buf,
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(const char *buf,
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int sizeof_buf);
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int sizeof_buf);
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int
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int
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sim_io_write_stderr
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sim_io_write_stderr
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(const char *buf,
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(const char *buf,
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int sizeof_buf);
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int sizeof_buf);
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/* read results */
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/* read results */
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enum { sim_io_eof = -1, sim_io_not_ready = -2, }; /* See: IEEE 1275 */
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enum { sim_io_eof = -1, sim_io_not_ready = -2, }; /* See: IEEE 1275 */
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int
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int
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sim_io_read_stdin
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sim_io_read_stdin
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(char *buf,
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(char *buf,
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int sizeof_buf);
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int sizeof_buf);
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#define flush_stdoutput sim_io_flush_stdoutput
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#define flush_stdoutput sim_io_flush_stdoutput
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void sim_io_flush_stdoutput
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void sim_io_flush_stdoutput
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(void);
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(void);
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/* Simulator instance. */
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/* Simulator instance. */
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extern psim *simulator;
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extern psim *simulator;
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/* Memory management with an allocator that clears memory before use. */
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/* Memory management with an allocator that clears memory before use. */
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void *zalloc
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void *zalloc
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(long size);
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(long size);
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#define ZALLOC(TYPE) (TYPE*)zalloc(sizeof (TYPE))
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#define ZALLOC(TYPE) (TYPE*)zalloc(sizeof (TYPE))
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void zfree(void*);
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void zfree(void*);
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#endif
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#endif
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