| /* This file is part of the program psim. |
| |
| Copyright (C) 1994-1996, Andrew Cagney <cagney@highland.com.au> |
| |
| 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 _PSIM_H_ |
| #define _PSIM_H_ |
| |
| #include "basics.h" |
| |
| #include "sim/sim.h" |
| |
| /* the system object */ |
| /* typedef struct _psim psim; */ |
| /* typedef struct _device device; */ |
| |
| /* when the `system' stops, find out why. FIXME - at this point this |
| is really a bit puzzling. After all, how can there be a status |
| when there several processors involved */ |
| |
| typedef struct _psim_status { |
| int cpu_nr; |
| stop_reason reason; |
| int signal; |
| unsigned_word program_counter; |
| } psim_status; |
| |
| |
| /* create an initial device tree and then populate it using |
| information obtained from either the command line or a file */ |
| |
| extern device *psim_tree |
| (void); |
| |
| extern char * const *psim_options |
| (device *root, |
| char * const *argv, |
| SIM_OPEN_KIND kind); |
| |
| extern void psim_command |
| (device *root, |
| char * const *argv); |
| |
| |
| extern void psim_merge_device_file |
| (device *root, |
| const char *file_name); |
| |
| extern void psim_usage |
| (int verbose, int help, SIM_OPEN_KIND kind); |
| |
| |
| /* create a new simulator from the device tree */ |
| |
| extern psim *psim_create |
| (const char *file_name, |
| device *root); |
| |
| |
| /* Given the created simulator (re) initialize it */ |
| |
| extern void psim_init |
| (psim *system); |
| |
| extern void psim_stack |
| (psim *system, |
| char * const *argv, |
| char * const *envp); |
| |
| |
| /* Run/stop the system */ |
| |
| extern void psim_step |
| (psim *system); |
| |
| extern void psim_run |
| (psim *system); |
| |
| extern void psim_restart |
| (psim *system, |
| int cpu_nr); |
| |
| extern void psim_set_halt_and_restart |
| (psim *system, |
| void *halt_jmp_buf, |
| void *restart_jmp_buf); |
| |
| extern void psim_clear_halt_and_restart |
| (psim *system); |
| |
| extern void psim_stop |
| (psim *system); |
| |
| extern void psim_halt |
| (psim *system, |
| int cpu_nr, |
| stop_reason reason, |
| int signal); |
| |
| extern int psim_last_cpu |
| (psim *system); |
| |
| extern int psim_nr_cpus |
| (psim *system); |
| |
| |
| extern psim_status psim_get_status |
| (psim *system); |
| |
| |
| /* reveal the internals of the simulation. Grant access to the |
| processor (cpu) device tree (device) and events (event_queue). */ |
| |
| extern cpu *psim_cpu |
| (psim *system, |
| int cpu_nr); |
| |
| extern device *psim_device |
| (psim *system, |
| const char *path); |
| |
| extern event_queue *psim_event_queue |
| (psim *system); |
| |
| |
| |
| /* Manipulate the state (registers or memory) of a processor within |
| the system. In the case of memory, the read/write is performed |
| using the specified processors address translation tables. |
| |
| Where applicable, WHICH_CPU == -1 indicates all processors and |
| WHICH_CPU == <nr_cpus> indicates the `current' processor. |
| |
| The register functions return the size of the register, or 0 if the |
| register's name is not recognized. */ |
| |
| extern int psim_read_register |
| (psim *system, |
| int which_cpu, |
| void *host_ordered_buf, |
| const char reg[], |
| transfer_mode mode); |
| |
| extern int psim_write_register |
| (psim *system, |
| int which_cpu, |
| const void *buf, |
| const char reg[], |
| transfer_mode mode); |
| |
| extern unsigned psim_read_memory |
| (psim *system, |
| int which_cpu, |
| void *buf, |
| unsigned_word vaddr, |
| unsigned len); |
| |
| extern unsigned psim_write_memory |
| (psim *system, |
| int which_cpu, |
| const void *buf, |
| unsigned_word vaddr, |
| unsigned len, |
| int violate_read_only_section); |
| |
| extern void psim_print_info |
| (psim *system, |
| int verbose); |
| |
| #endif /* _PSIM_H_ */ |