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lxdream.org :: lxdream/src/gui/debug_win.c
lxdream 0.9.1
released Jun 29
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filename src/gui/debug_win.c
changeset 94:8d80d9c7cc7d
prev69:2e8634272a98
next97:437d00238f74
author nkeynes
date Sun Feb 05 04:05:27 2006 +0000 (15 years ago)
permissions -rw-r--r--
last change Video code reshuffle to start getting real video happening.
Implement colourspace conversions
Various tweaks
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     1 /**
     2  * $Id: debug_win.c,v 1.16 2006-02-05 04:05:27 nkeynes Exp $
     3  * This file is responsible for the main debugger gui frame.
     4  *
     5  * Copyright (c) 2005 Nathan Keynes.
     6  *
     7  * This program is free software; you can redistribute it and/or modify
     8  * it under the terms of the GNU General Public License as published by
     9  * the Free Software Foundation; either version 2 of the License, or
    10  * (at your option) any later version.
    11  *
    12  * This program is distributed in the hope that it will be useful,
    13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
    14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    15  * GNU General Public License for more details.
    16  */
    17 #include <stdlib.h>
    18 #include <stdarg.h>
    19 #include <stdio.h>
    20 #include <gnome.h>
    21 #include <math.h>
    22 #include "gui/gui.h"
    23 #include "mem.h"
    24 #include "cpu.h"
    25 #include "video.h"
    27 GdkColor *msg_colors[] = { &clrError, &clrError, &clrWarn, &clrNormal,
    28                            &clrDebug, &clrTrace };
    30 void init_register_list( debug_info_t data );
    32 struct debug_info_struct {
    33     int disasm_from;
    34     int disasm_to;
    35     int disasm_pc;
    36     struct cpu_desc_struct *cpu;
    37     struct cpu_desc_struct **cpu_list;
    38     GtkCList *msgs_list;
    39     GtkCList *regs_list;
    40     GtkCList *disasm_list;
    41     GtkEntry *page_field;
    42     GtkWidget *win;
    43     GtkProgressBar *icounter;
    44     char icounter_text[16];
    45     char saved_regs[0];
    46 };
    48 debug_info_t init_debug_win(GtkWidget *win, const cpu_desc_t *cpu_list )
    49 {
    50     GnomeAppBar *appbar;
    52     debug_info_t data = g_malloc0( sizeof(struct debug_info_struct) + cpu_list[0]->regs_size );
    53     data->disasm_from = -1;
    54     data->disasm_to = -1;
    55     data->disasm_pc = -1;
    56     data->cpu = cpu_list[0];
    57     data->cpu_list = cpu_list;
    59     data->regs_list= gtk_object_get_data(GTK_OBJECT(win), "reg_list");
    60     data->win = win;
    61     gtk_widget_modify_font( GTK_WIDGET(data->regs_list), fixed_list_font );
    62     init_register_list( data );
    63     data->msgs_list = gtk_object_get_data(GTK_OBJECT(win), "output_list");
    64     data->disasm_list = gtk_object_get_data(GTK_OBJECT(win), "disasm_list");
    65     gtk_clist_set_column_width( data->disasm_list, 1, 16 );
    66     data->page_field = gtk_object_get_data(GTK_OBJECT(win), "page_field");
    68     appbar = gtk_object_get_data(GTK_OBJECT(win), "debug_appbar");
    69     data->icounter = gnome_appbar_get_progress( appbar );
    70     gtk_progress_bar_set_text(data->icounter, "1");
    72     gtk_object_set_data( GTK_OBJECT(win), "debug_data", data );
    73     set_disassembly_pc( data, *data->cpu->pc, FALSE );
    74     debug_win_set_running( data, FALSE );
    75     return data;
    76 }
    78 void init_register_list( debug_info_t data ) 
    79 {
    80     int i;
    81     char buf[20];
    82     char *arr[2];
    84     gtk_clist_clear( data->regs_list );
    85     arr[1] = buf;
    86     for( i=0; data->cpu->regs_info[i].name != NULL; i++ ) {
    87         arr[0] = data->cpu->regs_info[i].name;
    88         if( data->cpu->regs_info->type == REG_INT )
    89             sprintf( buf, "%08X", *((uint32_t *)data->cpu->regs_info[i].value) );
    90         else
    91             sprintf( buf, "%f", *((float *)data->cpu->regs_info[i].value) );
    92         gtk_clist_append( data->regs_list, arr );
    93     }
    94 }
    96 /*
    97  * Check for changed registers and update the display
    98  */
    99 void update_registers( debug_info_t data )
   100 {
   101     int i;
   102     for( i=0; data->cpu->regs_info[i].name != NULL; i++ ) {
   103         if( data->cpu->regs_info[i].type == REG_INT ) {
   104             /* Yes this _is_ probably fairly evil */
   105             if( *((uint32_t *)data->cpu->regs_info[i].value) !=
   106                 *((uint32_t *)((char *)data->saved_regs + ((char *)data->cpu->regs_info[i].value - (char *)data->cpu->regs))) ) {
   107                 char buf[20];
   108                 sprintf( buf, "%08X", *((uint32_t *)data->cpu->regs_info[i].value) );
   109                 gtk_clist_set_text( data->regs_list, i, 1, buf );
   110                 gtk_clist_set_foreground( data->regs_list, i, &clrChanged );
   111             } else {
   112                 gtk_clist_set_foreground( data->regs_list, i, &clrNormal );
   113             }
   114         } else {
   115             if( *((float *)data->cpu->regs_info[i].value) !=
   116                 *((float *)((char *)data->saved_regs + ((char *)data->cpu->regs_info[i].value - (char *)data->cpu->regs))) ) {
   117                 char buf[20];
   118                 sprintf( buf, "%f", *((float *)data->cpu->regs_info[i].value) );
   119                 gtk_clist_set_text( data->regs_list, i, 1, buf );
   120                 gtk_clist_set_foreground( data->regs_list, i, &clrChanged );
   121             } else {
   122                 gtk_clist_set_foreground( data->regs_list, i, &clrNormal );
   123             }
   124         }
   125     }
   127     set_disassembly_pc( data, *data->cpu->pc, FALSE );
   128     memcpy( data->saved_regs, data->cpu->regs, data->cpu->regs_size );
   129 }
   131 void update_icount( debug_info_t data )
   132 {
   133     //    sprintf( data->icounter_text, "%d", *data->cpu->icount );
   134     sprintf( data->icounter_text, "%d", pvr2_frame_counter );
   135     gtk_progress_bar_set_text( data->icounter, data->icounter_text );
   136 }
   138 void set_disassembly_region( debug_info_t data, unsigned int page )
   139 {
   140     uint32_t i, posn, next;
   141     char buf[80];
   142     char addr[10];
   143     char opcode[16] = "";
   144     char *arr[4] = { addr, " ", opcode, buf };
   145     unsigned int from = page & 0xFFFFF000;
   146     unsigned int to = from + 4096;
   148     gtk_clist_clear(data->disasm_list);
   150     sprintf( addr, "%08X", from );
   151     gtk_entry_set_text( data->page_field, addr );
   153     if( !data->cpu->is_valid_page_func( from ) ) {
   154         arr[3] = "This page is currently unmapped";
   155         gtk_clist_append( data->disasm_list, arr );
   156         gtk_clist_set_foreground( data->disasm_list, 0, &clrError );
   157     } else {
   158         for( i=from; i<to; i = next ) {
   159 	    next = data->cpu->disasm_func( i, buf, sizeof(buf), opcode );
   160             sprintf( addr, "%08X", i );
   161             posn = gtk_clist_append( data->disasm_list, arr );
   162             if( buf[0] == '?' )
   163                 gtk_clist_set_foreground( data->disasm_list, posn, &clrWarn );
   164 	    if( data->cpu->get_breakpoint != NULL ) {
   165 		int type = data->cpu->get_breakpoint( i );
   166 		switch(type) {
   167 		case BREAK_ONESHOT:
   168 		    gtk_clist_set_background( data->disasm_list, posn, &clrTempBreak );
   169 		    break;
   170 		case BREAK_KEEP:
   171 		    gtk_clist_set_background( data->disasm_list, posn, &clrBreak );
   172 		    break;
   173 		}
   174 	    }
   175         }
   176         if( data->disasm_pc != -1 && data->disasm_pc >= from && data->disasm_pc < to )
   177             gtk_clist_set_foreground( data->disasm_list, address_to_row(data, data->disasm_pc),
   178                                       &clrPC );
   179     }
   181     if( page != from ) { /* not a page boundary */
   182         gtk_clist_moveto( data->disasm_list, (page-from)>>1, 0, 0.5, 0.0 );
   183     }
   184     data->disasm_from = from;
   185     data->disasm_to = to;
   186 }
   188 void jump_to_disassembly( debug_info_t data, unsigned int addr, gboolean select )
   189 {
   190     int row;
   192     if( addr < data->disasm_from || addr >= data->disasm_to )
   193         set_disassembly_region(data,addr);
   195     row = address_to_row( data, addr );
   196     if(select) {
   197         gtk_clist_select_row( data->disasm_list, row, 0 );
   198     }
   199     if( gtk_clist_row_is_visible( data->disasm_list, row ) != GTK_VISIBILITY_FULL ){
   200         gtk_clist_moveto( data->disasm_list, row, 0, 0.5, 0.0 );
   201     }
   202 }
   204 void jump_to_pc( debug_info_t data, gboolean select )
   205 {
   206     jump_to_disassembly( data, *data->cpu->pc, select );
   207 }
   209 void set_disassembly_pc( debug_info_t data, unsigned int pc, gboolean select )
   210 {
   211     int row;
   213     jump_to_disassembly( data, pc, select );
   214     if( data->disasm_pc != -1 && data->disasm_pc >= data->disasm_from && 
   215 	data->disasm_pc < data->disasm_to )
   216         gtk_clist_set_foreground( data->disasm_list, 
   217 				  (data->disasm_pc - data->disasm_from) / data->cpu->instr_size,
   218                                   &clrNormal );
   219     row = address_to_row( data, pc );
   220     gtk_clist_set_foreground( data->disasm_list, row, &clrPC );
   221     data->disasm_pc = pc;
   222 }
   224 void set_disassembly_cpu( debug_info_t data, const gchar *cpu )
   225 {
   226     int i;
   227     for( i=0; data->cpu_list[i] != NULL; i++ ) {
   228 	if( strcmp( data->cpu_list[i]->name, cpu ) == 0 ) {
   229 	    if( data->cpu != data->cpu_list[i] ) {
   230 		data->cpu = data->cpu_list[i];
   231 		data->disasm_from = data->disasm_to = -1; /* Force reload */
   232 		set_disassembly_pc( data, *data->cpu->pc, FALSE );
   233 		init_register_list( data );
   234 		update_icount( data );
   235 	    }
   236 	    return;
   237 	}
   238     }
   239 }
   241 void debug_win_toggle_breakpoint( debug_info_t data, int row )
   242 {
   243     uint32_t pc = row_to_address( data, row );
   244     int oldType = data->cpu->get_breakpoint( pc );
   245     if( oldType != BREAK_NONE ) {
   246 	data->cpu->clear_breakpoint( pc, oldType );
   247 	gtk_clist_set_background( data->disasm_list, row, &clrWhite );
   248     } else {
   249 	data->cpu->set_breakpoint( pc, BREAK_KEEP );
   250 	gtk_clist_set_background( data->disasm_list, row, &clrBreak );
   251     }
   252 }
   254 void debug_win_set_oneshot_breakpoint( debug_info_t data, int row )
   255 {
   256     uint32_t pc = row_to_address( data, row );
   257     data->cpu->clear_breakpoint( pc, BREAK_ONESHOT );
   258     data->cpu->set_breakpoint( pc, BREAK_ONESHOT );
   259     gtk_clist_set_background( data->disasm_list, row, &clrTempBreak );
   260 }
   262 /**
   263  * Execute a single instruction using the current CPU mode.
   264  */
   265 void debug_win_single_step( debug_info_t data )
   266 {
   267     data->cpu->step_func();
   268     gtk_gui_update();
   269 }
   271 uint32_t row_to_address( debug_info_t data, int row ) {
   272     return data->cpu->instr_size * row + data->disasm_from;
   273 }
   275 int address_to_row( debug_info_t data, uint32_t address ) {
   276     if( data->disasm_from > address || data->disasm_to <= address )
   277 	return -1;
   278     return (address - data->disasm_from) / data->cpu->instr_size;
   279 }
   282 void emit( void *ptr, int level, const gchar *source, const char *msg, ... )
   283 {
   284     char buf[20], addr[10] = "", *p;
   285     const char *arr[4] = {buf, source, addr};
   286     int posn;
   287     time_t tm = time(NULL);
   288     va_list ap;
   289     debug_info_t data;
   290     if( ptr == NULL )
   291 	data = main_debug;
   292     else data = (debug_info_t)ptr;
   293     va_start(ap, msg);
   295     if( data == NULL ) {
   296 	vfprintf( stderr, msg, ap );
   297 	va_end(ap);
   298 	return;
   299     }
   301     p = g_strdup_vprintf( msg, ap );
   302     strftime( buf, sizeof(buf), "%H:%M:%S", localtime(&tm) );
   303     sprintf( addr, "%08X", *data->cpu->pc );
   304     arr[3] = p;
   305     posn = gtk_clist_append(data->msgs_list, arr);
   306     free(p);
   307     va_end(ap);
   309     gtk_clist_set_foreground( data->msgs_list, posn, msg_colors[level] );
   310     gtk_clist_moveto( data->msgs_list, posn, 0, 1.0, 0.0 );
   312     /* emit _really_ slows down the emu, to the point where the gui can be
   313      * completely unresponsive if I don't include this:
   314      */
   315     while( gtk_events_pending() )
   316         gtk_main_iteration();
   317 }
   319 debug_info_t get_debug_info( GtkWidget *widget ) {
   321     GtkWidget *win = gtk_widget_get_toplevel(widget);
   322     debug_info_t data = (debug_info_t)gtk_object_get_data( GTK_OBJECT(win), "debug_data" );
   323     return data;
   324 }
   326 void debug_win_enable_widget( debug_info_t data, const char *name, 
   327 			      gboolean enabled )
   328 {
   329     GtkWidget *widget = GTK_WIDGET(gtk_object_get_data(GTK_OBJECT(data->win), name));
   330     gtk_widget_set_sensitive( widget, enabled );
   331 }    
   333 void debug_win_set_running( debug_info_t data, gboolean isRunning ) 
   334 {
   335     debug_win_enable_widget( data, "stop_btn", isRunning );
   336     debug_win_enable_widget( data, "step_btn", !isRunning );
   337     debug_win_enable_widget( data, "run_btn", !isRunning );
   338     debug_win_enable_widget( data, "runto_btn", !isRunning );
   339 }
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