| /* sim_frontpanel.h: simulator frontpanel API definitions | |
| Copyright (c) 2015, Mark Pizzolato | |
| Permission is hereby granted, free of charge, to any person obtaining a | |
| copy of this software and associated documentation files (the "Software"), | |
| to deal in the Software without restriction, including without limitation | |
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| IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
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| 15-Jan-15 MP Initial implementation | |
| 01-Apr-15 MP Added register indirect, mem_examine and mem_deposit | |
| 03-Apr-15 MP Added logic to pass simulator startup messages in | |
| panel error text if the connection to the simulator | |
| shuts down while it is starting. | |
| 04-Apr-15 MP Added mount and dismount routines to connect and | |
| disconnect removable media | |
| This module defines interface between a front panel application and a simh | |
| simulator. Facilities provide ways to gather information from and to | |
| observe and control the state of a simulator. | |
| Any application which wants to use this API needs to: | |
| 1) include this file in the application code | |
| 2) compile sim_frontpanel.c and sim_sock.c from the top level directory | |
| of the simh source. | |
| 3) link the sim_frontpanel and sim_sock object modules and libpthreads | |
| into the application. | |
| 4) Use a simh simulator built from the same version of simh that the | |
| sim_frontpanel and sim_sock modules came from. | |
| */ | |
| #ifndef SIM_FRONTPANEL_H_ | |
| #define SIM_FRONTPANEL_H_ 0 | |
| #ifdef __cplusplus | |
| extern "C" { | |
| #endif | |
| #include <stdlib.h> | |
| #if !defined(__VAX) /* Supported platform */ | |
| #define SIM_FRONTPANEL_VERSION 1 | |
| /** | |
| sim_panel_start_simulator A starts a simulator with a particular | |
| configuration | |
| sim_path the path to the simulator binary | |
| sim_config the configuration to run the simulator with | |
| device_panel_count the number of sub panels for connected devices | |
| Note 1: - The path specified must be either a fully specified path or | |
| it could be merey the simulator name if the simulator binary | |
| is located in the current PATH. | |
| - The simulator binary must be built from the same version | |
| simh source code that the frontpanel API was acquired fron | |
| (the API and the simh framework must speak the same language) | |
| Note 2: - Configuration file specified should contain device setup | |
| statements (enable, disable, CPU types and attach commands). | |
| It should not start a simulator running. | |
| */ | |
| typedef struct PANEL PANEL; | |
| PANEL * | |
| sim_panel_start_simulator (const char *sim_path, | |
| const char *sim_config, | |
| size_t device_panel_count); | |
| PANEL * | |
| sim_panel_start_simulator_debug (const char *sim_path, | |
| const char *sim_config, | |
| size_t device_panel_count, | |
| const char *debug_file); | |
| /** | |
| sim_panel_add_device_panel - creates a sub panel associated | |
| with a specific simulator panel | |
| simulator_panel the simulator panel to connect to | |
| device_name the simulator's name for the device | |
| */ | |
| PANEL * | |
| sim_panel_add_device_panel (PANEL *simulator_panel, | |
| const char *device_name); | |
| /** | |
| sim_panel_destroy to shutdown a panel or sub panel. | |
| Note: destroying a simulator panel will also destroy any | |
| related sub panels | |
| */ | |
| int | |
| sim_panel_destroy (PANEL *panel); | |
| /** | |
| The frontpanel API exposes the state of a simulator via access to | |
| simh register variables that the simulator and its devices define. | |
| These registers certainly include any architecturally described | |
| registers (PC, PSL, SP, etc.), but also include anything else | |
| the simulator uses as internal state to implement the running | |
| simulator. | |
| The registers that a particular frontpanel application mught need | |
| access to are described by the application by calling: | |
| sim_panel_add_register | |
| and | |
| sim_panel_add_register_indirect | |
| name the name the simulator knows this register by | |
| device_name the device this register is part of. Defaults to | |
| the device of the panel (in a device panel) or the | |
| default device in the simulator (usually the CPU). | |
| size the size (in local storage) of the buffer which will | |
| receive the data in the simulator's register | |
| addr a pointer to the location of the buffer which will | |
| be loaded with the data in the simulator's register | |
| */ | |
| int | |
| sim_panel_add_register (PANEL *panel, | |
| const char *name, | |
| const char *device_name, | |
| size_t size, | |
| void *addr); | |
| int | |
| sim_panel_add_register_indirect (PANEL *panel, | |
| const char *name, | |
| const char *device_name, | |
| size_t size, | |
| void *addr); | |
| /** | |
| A panel application has a choice of two different methods of getting | |
| the values contained in the set of registers it has declared interest in via | |
| the sim_panel_add_register API. | |
| 1) The values can be polled (when ever it is desired) by calling | |
| sim_panel_get_registers(). | |
| 2) The panel can call sim_panel_set_display_callback() to specify a | |
| callback routine and a periodic rate that the callback routine | |
| should be called. The panel API will make a best effort to deliver | |
| the current register state at the desired rate. | |
| Note 1: The buffers described in a panel's register set will be dynamically | |
| revised as soon as data is available from the simulator. The | |
| callback routine merely serves as a notification that a complete | |
| register set has arrived. | |
| */ | |
| int | |
| sim_panel_get_registers (PANEL *panel, unsigned long long *simulation_time); | |
| /** | |
| */ | |
| typedef void (*PANEL_DISPLAY_PCALLBACK)(PANEL *panel, | |
| unsigned long long simulation_time, | |
| void *context); | |
| int | |
| sim_panel_set_display_callback (PANEL *panel, | |
| PANEL_DISPLAY_PCALLBACK callback, | |
| void *context, | |
| int callbacks_per_second); | |
| /** | |
| When a front panel application needs to change the running | |
| state of a simulator one of the following routines should | |
| be called: | |
| sim_panel_exec_halt - Stop instruction execution | |
| sim_panel_exec_boot - Boot a simulator from a specific device | |
| sim_panel_exec_run - Start/Resume a simulator running instructions | |
| sim_panel_exec_step - Have a simulator execute a single step | |
| */ | |
| int | |
| sim_panel_exec_halt (PANEL *panel); | |
| int | |
| sim_panel_exec_boot (PANEL *panel, const char *device); | |
| int | |
| sim_panel_exec_run (PANEL *panel); | |
| int | |
| sim_panel_exec_step (PANEL *panel); | |
| /** | |
| When a front panel application needs to change or access | |
| memory or a register one of the following routines should | |
| be called: | |
| sim_panel_gen_examine - Examine register or memory | |
| sim_panel_gen_deposit - Deposit to register or memory | |
| sim_panel_mem_examine - Examine memory location | |
| sim_panel_mem_deposit - Deposit to memory location | |
| sim_panel_set_register_value - | |
| */ | |
| /** | |
| sim_panel_gen_examine | |
| name_or_addr the name the simulator knows this register by | |
| size the size (in local storage) of the buffer which will | |
| receive the data returned when examining the simulator | |
| value a pointer to the buffer which will be loaded with the | |
| data returned when examining the simulator | |
| */ | |
| int | |
| sim_panel_gen_examine (PANEL *panel, | |
| const char *name_or_addr, | |
| size_t size, | |
| void *value); | |
| /** | |
| sim_panel_gen_deposit | |
| name_or_addr the name the simulator knows this register by | |
| size the size (in local storage) of the buffer which | |
| contains the data to be deposited into the simulator | |
| value a pointer to the buffer which contains the data to | |
| be deposited into the simulator | |
| */ | |
| int | |
| sim_panel_gen_deposit (PANEL *panel, | |
| const char *name_or_addr, | |
| size_t size, | |
| const void *value); | |
| /** | |
| sim_panel_mem_examine | |
| addr_size the size (in local storage) of the buffer which | |
| contains the memory address of the data to be examined | |
| in the simulator | |
| addr a pointer to the buffer containing the memory address | |
| of the data to be examined in the simulator | |
| value_size the size (in local storage) of the buffer which will | |
| receive the data returned when examining the simulator | |
| value a pointer to the buffer which will be loaded with the | |
| data returned when examining the simulator | |
| */ | |
| int | |
| sim_panel_mem_examine (PANEL *panel, | |
| size_t addr_size, | |
| const void *addr, | |
| size_t value_size, | |
| void *value); | |
| /** | |
| sim_panel_mem_deposit | |
| addr_size the size (in local storage) of the buffer which | |
| contains the memory address of the data to be deposited | |
| into the simulator | |
| addr a pointer to the buffer containing the memory address | |
| of the data to be deposited into the simulator | |
| value_size the size (in local storage) of the buffer which will | |
| contains the data to be deposited into the simulator | |
| value a pointer to the buffer which contains the data to be | |
| deposited into the simulator | |
| */ | |
| int | |
| sim_panel_mem_deposit (PANEL *panel, | |
| size_t addr_size, | |
| const void *addr, | |
| size_t value_size, | |
| const void *value); | |
| /** | |
| sim_panel_set_register_value | |
| name the name of a simulator register or a memory address | |
| which is to receive a new value | |
| value the new value in character string form. The string | |
| must be in the native/natural radix that the simulator | |
| uses when referencing that register | |
| */ | |
| int | |
| sim_panel_set_register_value (PANEL *panel, | |
| const char *name, | |
| const char *value); | |
| /** | |
| When a front panel application may needs to change the media | |
| in a simulated removable media device one of the following | |
| routines should be called: | |
| sim_panel_mount - mounts the indicated media file on a device | |
| sim_panel_dismount - dismounts the currently mounted media file | |
| from a device | |
| */ | |
| /** | |
| sim_panel_mount | |
| device the name of a simulator device/unit | |
| switches any switches appropriate for the desire attach | |
| path the path on the local system to be attached | |
| */ | |
| int | |
| sim_panel_mount (PANEL *panel, | |
| const char *device, | |
| const char *switches, | |
| const char *path); | |
| /** | |
| sim_panel_dismount | |
| device the name of a simulator device/unit | |
| */ | |
| int | |
| sim_panel_dismount (PANEL *panel, | |
| const char *device); | |
| typedef enum { | |
| Halt, /* Simulation is halted (instructions not being executed) */ | |
| Run, /* Simulation is executing instructions */ | |
| Error /* Panel simulator is in an error state and should be */ | |
| /* closed (destroyed). sim_panel_get_error might help */ | |
| /* explain why */ | |
| } OperationalState; | |
| OperationalState | |
| sim_panel_get_state (PANEL *panel); | |
| /** | |
| All APIs routines which return an int return 0 for | |
| success and -1 for an error. | |
| sim_panel_get_error - the details of the most recent error | |
| sim_panel_clear_error - clears the error buffer | |
| */ | |
| const char *sim_panel_get_error (void); | |
| void sim_panel_clear_error (void); | |
| /** | |
| The panek<->simulator wire protocol can be traced if protocol problems arise. | |
| sim_panel_set_debug_file - Specifies the log file to record debug traffic | |
| sim_panel_set_debug_mode - Specifies the debug detail to be recorded | |
| sim_panel_flush_debug - Flushes debug output to disk | |
| */ | |
| void | |
| sim_panel_set_debug_file (PANEL *panel, const char *debug_file); | |
| #define DBG_XMT 1 /* Transmit Data */ | |
| #define DBG_RCV 2 /* Receive Data */ | |
| void | |
| sim_panel_set_debug_mode (PANEL *panel, int debug_bits); | |
| void | |
| sim_panel_flush_debug (PANEL *panel); | |
| #endif /* !defined(__VAX) */ | |
| #ifdef __cplusplus | |
| } | |
| #endif | |
| #endif /* SIM_FRONTPANEL_H_ */ |