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182 lines
3.7 KiB
C
182 lines
3.7 KiB
C
/* This file is part of the program psim.
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Copyright (C) 1994-1996, 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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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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(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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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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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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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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*/
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#ifndef _PSIM_H_
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#define _PSIM_H_
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#include "basics.h"
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/* the system object */
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/* typedef struct _psim psim; */
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/* typedef struct _device device; */
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/* when the `system' stops, find out why. FIXME - at this point this
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is really a bit puzzling. After all, how can there be a status
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when there several processors involved */
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typedef struct _psim_status {
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int cpu_nr;
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stop_reason reason;
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int signal;
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unsigned_word program_counter;
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} psim_status;
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/* create an initial device tree and then populate it using
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information obtained from either the command line or a file */
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extern device *psim_tree
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(void);
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extern char **psim_options
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(device *root,
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char **argv);
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extern void psim_command
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(device *root,
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char **argv);
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extern void psim_merge_device_file
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(device *root,
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const char *file_name);
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extern void psim_usage
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(int verbose);
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/* create a new simulator from the device tree */
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extern psim *psim_create
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(const char *file_name,
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device *root);
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/* Given the created simulator (re) initialize it */
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extern void psim_init
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(psim *system);
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extern void psim_stack
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(psim *system,
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char **argv,
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char **envp);
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/* Run/stop the system */
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extern void psim_step
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(psim *system);
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extern void psim_run
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(psim *system);
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extern void psim_restart
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(psim *system,
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int cpu_nr);
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extern void psim_set_halt_and_restart
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(psim *system,
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void *halt_jmp_buf,
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void *restart_jmp_buf);
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extern void psim_clear_halt_and_restart
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(psim *system);
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extern void psim_stop
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(psim *system);
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extern void psim_halt
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(psim *system,
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int cpu_nr,
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stop_reason reason,
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int signal);
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extern int psim_last_cpu
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(psim *system);
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extern int psim_nr_cpus
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(psim *system);
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extern psim_status psim_get_status
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(psim *system);
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/* reveal the internals of the simulation. Grant access to the
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processor (cpu) device tree (device) and events (event_queue). */
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extern cpu *psim_cpu
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(psim *system,
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int cpu_nr);
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extern device *psim_device
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(psim *system,
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const char *path);
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extern event_queue *psim_event_queue
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(psim *system);
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/* manipulate the state (registers or memory) of a processor within
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the system. In the case of memory, the read/write is performed
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using the specified processors address translation tables.
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Where applicable, WHICH_CPU == -1 indicates all processors and
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WHICH_CPU == <nr_cpus> indicates the `current' processor. */
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extern void psim_read_register
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(psim *system,
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int which_cpu,
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void *host_ordered_buf,
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const char reg[],
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transfer_mode mode);
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extern void psim_write_register
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(psim *system,
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int which_cpu,
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const void *buf,
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const char reg[],
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transfer_mode mode);
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extern unsigned psim_read_memory
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(psim *system,
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int which_cpu,
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void *buf,
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unsigned_word vaddr,
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unsigned len);
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extern unsigned psim_write_memory
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(psim *system,
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int which_cpu,
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const void *buf,
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unsigned_word vaddr,
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unsigned len,
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int violate_read_only_section);
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extern void psim_print_info
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(psim *system,
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int verbose);
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#endif /* _PSIM_H_ */
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