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/* |
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* Copyright (C) 2003-2007 Anders Gavare. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. The name of the author may not be used to endorse or promote products |
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* derived from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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* |
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* |
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* $Id: emul.c,v 1.279 2007/03/16 14:45:30 debug Exp $ |
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* |
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* Emulation startup and misc. routines. |
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*/ |
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#include <signal.h> |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <limits.h> |
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#include <stdarg.h> |
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#include <string.h> |
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#include <unistd.h> |
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#include "arcbios.h" |
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#include "cpu.h" |
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#include "emul.h" |
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#include "console.h" |
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#include "debugger.h" |
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#include "device.h" |
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#include "diskimage.h" |
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#include "exec_elf.h" |
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#include "machine.h" |
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#include "memory.h" |
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#include "mips_cpu_types.h" |
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#include "misc.h" |
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#include "net.h" |
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#include "settings.h" |
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#include "sgi_arcbios.h" |
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#include "timer.h" |
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#include "x11.h" |
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extern int extra_argc; |
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extern char **extra_argv; |
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extern int verbose; |
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extern int quiet_mode; |
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extern int force_debugger_at_exit; |
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extern int single_step; |
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extern int old_show_trace_tree; |
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extern int old_instruction_trace; |
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extern int old_quiet_mode; |
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extern int quiet_mode; |
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extern struct emul *debugger_emul; |
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extern struct diskimage *diskimages[]; |
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static void print_separator(void) |
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{ |
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int i = 79; |
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while (i-- > 0) |
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debug("-"); |
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debug("\n"); |
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} |
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/* |
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* add_dump_points(): |
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* |
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* Take the strings breakpoint_string[] and convert to addresses |
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* (and store them in breakpoint_addr[]). |
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* |
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* TODO: This function should be moved elsewhere. |
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*/ |
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static void add_dump_points(struct machine *m) |
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{ |
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int i; |
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int string_flag; |
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uint64_t dp; |
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for (i=0; i<m->n_breakpoints; i++) { |
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string_flag = 0; |
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dp = strtoull(m->breakpoint_string[i], NULL, 0); |
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/* |
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* If conversion resulted in 0, then perhaps it is a |
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* symbol: |
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*/ |
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if (dp == 0) { |
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uint64_t addr; |
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int res = get_symbol_addr(&m->symbol_context, |
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m->breakpoint_string[i], &addr); |
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if (!res) { |
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fprintf(stderr, |
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"ERROR! Breakpoint '%s' could not be" |
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" parsed\n", |
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m->breakpoint_string[i]); |
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} else { |
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dp = addr; |
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string_flag = 1; |
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} |
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} |
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/* |
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* TODO: It would be nice if things like symbolname+0x1234 |
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* were automatically converted into the correct address. |
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*/ |
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if (m->arch == ARCH_MIPS) { |
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if ((dp >> 32) == 0 && ((dp >> 31) & 1)) |
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dp |= 0xffffffff00000000ULL; |
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} |
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m->breakpoint_addr[i] = dp; |
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debug("breakpoint %i: 0x%llx", i, (long long)dp); |
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if (string_flag) |
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debug(" (%s)", m->breakpoint_string[i]); |
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debug("\n"); |
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} |
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} |
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/* |
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* fix_console(): |
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*/ |
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static void fix_console(void) |
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{ |
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console_deinit_main(); |
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} |
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/* |
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* emul_new(): |
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* |
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* Returns a reasonably initialized struct emul. |
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*/ |
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struct emul *emul_new(char *name, int id) |
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{ |
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struct emul *e; |
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e = malloc(sizeof(struct emul)); |
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if (e == NULL) { |
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fprintf(stderr, "out of memory in emul_new()\n"); |
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exit(1); |
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} |
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memset(e, 0, sizeof(struct emul)); |
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e->path = malloc(15); |
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if (e->path == NULL) { |
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fprintf(stderr, "out of memory\n"); |
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exit(1); |
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} |
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snprintf(e->path, 15, "emul[%i]", id); |
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e->settings = settings_new(); |
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settings_add(e->settings, "n_machines", 0, |
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SETTINGS_TYPE_INT, SETTINGS_FORMAT_DECIMAL, |
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(void *) &e->n_machines); |
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/* TODO: More settings? */ |
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/* Sane default values: */ |
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e->n_machines = 0; |
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e->next_serial_nr = 1; |
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if (name != NULL) { |
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e->name = strdup(name); |
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if (e->name == NULL) { |
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fprintf(stderr, "out of memory in emul_new()\n"); |
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exit(1); |
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} |
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settings_add(e->settings, "name", 0, |
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SETTINGS_TYPE_STRING, SETTINGS_FORMAT_STRING, |
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(void *) &e->name); |
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} |
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return e; |
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} |
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/* |
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* emul_destroy(): |
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* |
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* Destroys a previously created emul object. |
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*/ |
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void emul_destroy(struct emul *emul) |
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{ |
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int i; |
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if (emul->name != NULL) { |
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settings_remove(emul->settings, "name"); |
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free(emul->name); |
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} |
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for (i=0; i<emul->n_machines; i++) |
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machine_destroy(emul->machines[i]); |
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if (emul->machines != NULL) |
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free(emul->machines); |
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/* Remove any remaining level-1 settings: */ |
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settings_remove_all(emul->settings); |
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settings_destroy(emul->settings); |
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free(emul); |
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} |
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/* |
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* emul_add_machine(): |
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* |
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* Calls machine_new(), adds the new machine into the emul struct, and |
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* returns a pointer to the new machine. |
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* |
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* This function should be used instead of manually calling machine_new(). |
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*/ |
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struct machine *emul_add_machine(struct emul *e, char *name) |
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{ |
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struct machine *m; |
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char tmpstr[20]; |
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int i; |
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m = machine_new(name, e, e->n_machines); |
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m->serial_nr = (e->next_serial_nr ++); |
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i = e->n_machines; |
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e->n_machines ++; |
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e->machines = realloc(e->machines, |
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sizeof(struct machine *) * e->n_machines); |
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if (e->machines == NULL) { |
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fprintf(stderr, "emul_add_machine(): out of memory\n"); |
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exit(1); |
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} |
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e->machines[i] = m; |
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snprintf(tmpstr, sizeof(tmpstr), "machine[%i]", i); |
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settings_add(e->settings, tmpstr, 1, SETTINGS_TYPE_SUBSETTINGS, 0, |
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e->machines[i]->settings); |
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return m; |
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} |
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/* |
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* add_arc_components(): |
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* |
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* This function adds ARCBIOS memory descriptors for the loaded program, |
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* and ARCBIOS components for SCSI devices. |
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*/ |
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static void add_arc_components(struct machine *m) |
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{ |
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struct cpu *cpu = m->cpus[m->bootstrap_cpu]; |
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uint64_t start = cpu->pc & 0x1fffffff; |
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uint64_t len = 0xc00000 - start; |
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struct diskimage *d; |
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uint64_t scsicontroller, scsidevice, scsidisk; |
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if ((cpu->pc >> 60) != 0xf) { |
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start = cpu->pc & 0xffffffffffULL; |
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len = 0xc00000 - start; |
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} |
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len += 1048576 * m->memory_offset_in_mb; |
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/* |
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* NOTE/TODO: magic 12MB end of load program area |
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* |
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* Hm. This breaks the old FreeBSD/MIPS snapshots... |
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*/ |
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#if 0 |
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arcbios_add_memory_descriptor(cpu, |
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0x60000 + m->memory_offset_in_mb * 1048576, |
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start-0x60000 - m->memory_offset_in_mb * 1048576, |
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ARCBIOS_MEM_FreeMemory); |
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#endif |
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arcbios_add_memory_descriptor(cpu, |
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start, len, ARCBIOS_MEM_LoadedProgram); |
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scsicontroller = arcbios_get_scsicontroller(m); |
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if (scsicontroller == 0) |
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return; |
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/* TODO: The device 'name' should defined be somewhere else. */ |
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d = m->first_diskimage; |
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while (d != NULL) { |
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if (d->type == DISKIMAGE_SCSI) { |
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int a, b, flags = COMPONENT_FLAG_Input; |
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char component_string[100]; |
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char *name = "DEC RZ58 (C) DEC2000"; |
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/* Read-write, or read-only? */ |
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if (d->writable) |
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flags |= COMPONENT_FLAG_Output; |
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else |
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flags |= COMPONENT_FLAG_ReadOnly; |
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a = COMPONENT_TYPE_DiskController; |
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b = COMPONENT_TYPE_DiskPeripheral; |
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if (d->is_a_cdrom) { |
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flags |= COMPONENT_FLAG_Removable; |
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a = COMPONENT_TYPE_CDROMController; |
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b = COMPONENT_TYPE_FloppyDiskPeripheral; |
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name = "NEC CD-ROM CDR-210P 1.0 "; |
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} |
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scsidevice = arcbios_addchild_manual(cpu, |
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COMPONENT_CLASS_ControllerClass, |
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a, flags, 1, 2, d->id, 0xffffffff, |
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name, scsicontroller, NULL, 0); |
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scsidisk = arcbios_addchild_manual(cpu, |
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COMPONENT_CLASS_PeripheralClass, |
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b, flags, 1, 2, 0, 0xffffffff, NULL, |
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scsidevice, NULL, 0); |
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/* |
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* Add device string to component address mappings: |
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* "scsi(0)disk(0)rdisk(0)partition(0)" |
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*/ |
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if (d->is_a_cdrom) { |
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snprintf(component_string, |
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sizeof(component_string), |
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"scsi(0)cdrom(%i)", d->id); |
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arcbios_add_string_to_component(m, |
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component_string, scsidevice); |
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snprintf(component_string, |
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sizeof(component_string), |
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"scsi(0)cdrom(%i)fdisk(0)", d->id); |
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dpavlin |
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arcbios_add_string_to_component(m, |
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dpavlin |
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component_string, scsidisk); |
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} else { |
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snprintf(component_string, |
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sizeof(component_string), |
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"scsi(0)disk(%i)", d->id); |
362 |
dpavlin |
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arcbios_add_string_to_component(m, |
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dpavlin |
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component_string, scsidevice); |
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snprintf(component_string, |
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sizeof(component_string), |
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"scsi(0)disk(%i)rdisk(0)", d->id); |
368 |
dpavlin |
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arcbios_add_string_to_component(m, |
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dpavlin |
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component_string, scsidisk); |
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} |
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} |
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d = d->next; |
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} |
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} |
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/* |
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* emul_machine_setup(): |
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* |
381 |
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* o) Initialize the hardware (RAM, devices, CPUs, ...) which |
382 |
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* will be emulated in this machine. |
383 |
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* |
384 |
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* o) Load ROM code and/or other programs into emulated memory. |
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* |
386 |
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* o) Special hacks needed after programs have been loaded. |
387 |
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*/ |
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void emul_machine_setup(struct machine *m, int n_load, char **load_names, |
389 |
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int n_devices, char **device_names) |
390 |
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{ |
391 |
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struct cpu *cpu; |
392 |
dpavlin |
22 |
int i, iadd = DEBUG_INDENTATION; |
393 |
dpavlin |
6 |
uint64_t memory_amount, entrypoint = 0, gp = 0, toc = 0; |
394 |
dpavlin |
2 |
int byte_order; |
395 |
|
|
|
396 |
|
|
debug("machine \"%s\":\n", m->name); |
397 |
|
|
debug_indentation(iadd); |
398 |
|
|
|
399 |
|
|
/* For userland-only, this decides which ARCH/cpu_name to use: */ |
400 |
|
|
if (m->machine_type == MACHINE_USERLAND && m->userland_emul != NULL) { |
401 |
|
|
useremul_name_to_useremul(NULL, m->userland_emul, |
402 |
|
|
&m->arch, &m->machine_name, &m->cpu_name); |
403 |
|
|
if (m->arch == ARCH_NOARCH) { |
404 |
|
|
printf("Unsupported userland emulation mode.\n"); |
405 |
|
|
exit(1); |
406 |
|
|
} |
407 |
|
|
} |
408 |
|
|
|
409 |
|
|
if (m->machine_type == MACHINE_NONE) { |
410 |
|
|
fatal("No machine type specified?\n"); |
411 |
|
|
exit(1); |
412 |
|
|
} |
413 |
|
|
|
414 |
|
|
m->cpu_family = cpu_family_ptr_by_number(m->arch); |
415 |
|
|
|
416 |
dpavlin |
12 |
if (m->arch == ARCH_ALPHA) |
417 |
|
|
m->arch_pagesize = 8192; |
418 |
|
|
|
419 |
dpavlin |
2 |
machine_memsize_fix(m); |
420 |
|
|
|
421 |
|
|
/* |
422 |
|
|
* Create the system's memory: |
423 |
|
|
* |
424 |
|
|
* (Don't print the amount for userland-only emulation; the |
425 |
|
|
* size doesn't matter.) |
426 |
|
|
*/ |
427 |
|
|
if (m->machine_type != MACHINE_USERLAND) |
428 |
|
|
debug("memory: %i MB", m->physical_ram_in_mb); |
429 |
|
|
memory_amount = (uint64_t)m->physical_ram_in_mb * 1048576; |
430 |
|
|
if (m->memory_offset_in_mb > 0) { |
431 |
|
|
/* |
432 |
|
|
* A special hack is used for some SGI models, |
433 |
|
|
* where memory is offset by 128MB to leave room for |
434 |
|
|
* EISA space and other things. |
435 |
|
|
*/ |
436 |
|
|
debug(" (offset by %iMB)", m->memory_offset_in_mb); |
437 |
|
|
memory_amount += 1048576 * m->memory_offset_in_mb; |
438 |
|
|
} |
439 |
dpavlin |
12 |
m->memory = memory_new(memory_amount, m->arch); |
440 |
dpavlin |
2 |
if (m->machine_type != MACHINE_USERLAND) |
441 |
|
|
debug("\n"); |
442 |
|
|
|
443 |
|
|
/* Create CPUs: */ |
444 |
|
|
if (m->cpu_name == NULL) |
445 |
|
|
machine_default_cputype(m); |
446 |
|
|
if (m->ncpus == 0) { |
447 |
|
|
/* TODO: This should be moved elsewhere... */ |
448 |
|
|
if (m->machine_type == MACHINE_BEBOX) |
449 |
|
|
m->ncpus = 2; |
450 |
|
|
else if (m->machine_type == MACHINE_ARC && |
451 |
|
|
m->machine_subtype == MACHINE_ARC_NEC_R96) |
452 |
|
|
m->ncpus = 2; |
453 |
|
|
else if (m->machine_type == MACHINE_ARC && |
454 |
|
|
m->machine_subtype == MACHINE_ARC_NEC_R98) |
455 |
|
|
m->ncpus = 4; |
456 |
|
|
else |
457 |
|
|
m->ncpus = 1; |
458 |
|
|
} |
459 |
|
|
m->cpus = malloc(sizeof(struct cpu *) * m->ncpus); |
460 |
|
|
if (m->cpus == NULL) { |
461 |
|
|
fprintf(stderr, "out of memory\n"); |
462 |
|
|
exit(1); |
463 |
|
|
} |
464 |
|
|
memset(m->cpus, 0, sizeof(struct cpu *) * m->ncpus); |
465 |
|
|
|
466 |
|
|
debug("cpu0"); |
467 |
|
|
if (m->ncpus > 1) |
468 |
|
|
debug(" .. cpu%i", m->ncpus - 1); |
469 |
|
|
debug(": "); |
470 |
|
|
for (i=0; i<m->ncpus; i++) { |
471 |
|
|
m->cpus[i] = cpu_new(m->memory, m, i, m->cpu_name); |
472 |
dpavlin |
24 |
if (m->cpus[i] == NULL) { |
473 |
|
|
fprintf(stderr, "Unable to create CPU object. " |
474 |
|
|
"Aborting."); |
475 |
|
|
exit(1); |
476 |
|
|
} |
477 |
dpavlin |
2 |
} |
478 |
|
|
debug("\n"); |
479 |
|
|
|
480 |
dpavlin |
10 |
#if 0 |
481 |
|
|
/* Special case: The Playstation Portable has an additional CPU: */ |
482 |
|
|
if (m->machine_type == MACHINE_PSP) { |
483 |
|
|
debug("cpu%i: ", m->ncpus); |
484 |
|
|
m->cpus[m->ncpus] = cpu_new(m->memory, m, |
485 |
|
|
0 /* use 0 here to show info with debug() */, |
486 |
|
|
"Allegrex" /* TODO */); |
487 |
|
|
debug("\n"); |
488 |
|
|
m->ncpus ++; |
489 |
|
|
} |
490 |
|
|
#endif |
491 |
|
|
|
492 |
dpavlin |
2 |
if (m->use_random_bootstrap_cpu) |
493 |
|
|
m->bootstrap_cpu = random() % m->ncpus; |
494 |
|
|
else |
495 |
|
|
m->bootstrap_cpu = 0; |
496 |
|
|
|
497 |
|
|
cpu = m->cpus[m->bootstrap_cpu]; |
498 |
|
|
|
499 |
|
|
/* Set cpu->useremul_syscall, and use userland_memory_rw: */ |
500 |
|
|
if (m->userland_emul != NULL) { |
501 |
|
|
useremul_name_to_useremul(cpu, |
502 |
|
|
m->userland_emul, NULL, NULL, NULL); |
503 |
dpavlin |
12 |
|
504 |
|
|
switch (m->arch) { |
505 |
|
|
#ifdef ENABLE_ALPHA |
506 |
|
|
case ARCH_ALPHA: |
507 |
|
|
cpu->memory_rw = alpha_userland_memory_rw; |
508 |
|
|
break; |
509 |
|
|
#endif |
510 |
|
|
default:cpu->memory_rw = userland_memory_rw; |
511 |
|
|
} |
512 |
dpavlin |
2 |
} |
513 |
|
|
|
514 |
|
|
if (m->use_x11) |
515 |
|
|
x11_init(m); |
516 |
|
|
|
517 |
|
|
/* Fill memory with random bytes: */ |
518 |
|
|
if (m->random_mem_contents) { |
519 |
|
|
for (i=0; i<m->physical_ram_in_mb * 1048576; i+=256) { |
520 |
|
|
unsigned char data[256]; |
521 |
|
|
unsigned int j; |
522 |
|
|
for (j=0; j<sizeof(data); j++) |
523 |
|
|
data[j] = random() & 255; |
524 |
dpavlin |
6 |
cpu->memory_rw(cpu, m->memory, i, data, sizeof(data), |
525 |
|
|
MEM_WRITE, CACHE_NONE | NO_EXCEPTIONS | PHYSICAL); |
526 |
dpavlin |
2 |
} |
527 |
|
|
} |
528 |
|
|
|
529 |
|
|
if (m->userland_emul != NULL) { |
530 |
|
|
/* |
531 |
|
|
* For userland-only emulation, no machine emulation |
532 |
|
|
* is needed. |
533 |
|
|
*/ |
534 |
|
|
} else { |
535 |
|
|
for (i=0; i<n_devices; i++) |
536 |
|
|
device_add(m, device_names[i]); |
537 |
|
|
|
538 |
|
|
machine_setup(m); |
539 |
|
|
} |
540 |
|
|
|
541 |
|
|
diskimage_dump_info(m); |
542 |
dpavlin |
22 |
console_debug_dump(m); |
543 |
dpavlin |
2 |
|
544 |
|
|
/* Load files (ROM code, boot code, ...) into memory: */ |
545 |
|
|
if (n_load == 0) { |
546 |
dpavlin |
6 |
if (m->first_diskimage != NULL) { |
547 |
|
|
if (!load_bootblock(m, cpu, &n_load, &load_names)) { |
548 |
|
|
fprintf(stderr, "\nNo executable files were" |
549 |
|
|
" specified, and booting directly from disk" |
550 |
|
|
" failed.\n"); |
551 |
|
|
exit(1); |
552 |
|
|
} |
553 |
|
|
} else { |
554 |
dpavlin |
2 |
fprintf(stderr, "No executable file(s) loaded, and " |
555 |
|
|
"we are not booting directly from a disk image." |
556 |
|
|
"\nAborting.\n"); |
557 |
|
|
exit(1); |
558 |
|
|
} |
559 |
|
|
} |
560 |
|
|
|
561 |
|
|
while (n_load > 0) { |
562 |
dpavlin |
6 |
FILE *tmp_f; |
563 |
|
|
char *name_to_load = *load_names; |
564 |
|
|
int remove_after_load = 0; |
565 |
|
|
|
566 |
|
|
/* Special hack for removing temporary files: */ |
567 |
|
|
if (name_to_load[0] == 8) { |
568 |
|
|
name_to_load ++; |
569 |
|
|
remove_after_load = 1; |
570 |
|
|
} |
571 |
|
|
|
572 |
|
|
/* |
573 |
dpavlin |
10 |
* gzipped files are automagically gunzipped: |
574 |
|
|
* NOTE/TODO: This isn't secure. system() is used. |
575 |
dpavlin |
6 |
*/ |
576 |
|
|
tmp_f = fopen(name_to_load, "r"); |
577 |
|
|
if (tmp_f != NULL) { |
578 |
|
|
unsigned char buf[2]; /* gzip header */ |
579 |
|
|
memset(buf, 0, sizeof(buf)); |
580 |
|
|
fread(buf, 1, sizeof(buf), tmp_f); |
581 |
|
|
if (buf[0]==0x1f && buf[1]==0x8b) { |
582 |
dpavlin |
10 |
size_t zzlen = strlen(name_to_load)*2 + 100; |
583 |
|
|
char *zz = malloc(zzlen); |
584 |
dpavlin |
6 |
debug("gunziping %s\n", name_to_load); |
585 |
dpavlin |
10 |
/* |
586 |
|
|
* gzip header found. If this was a file |
587 |
|
|
* extracted from, say, a CDROM image, then it |
588 |
|
|
* already has a temporary name. Otherwise we |
589 |
|
|
* have to gunzip into a temporary file. |
590 |
|
|
*/ |
591 |
|
|
if (remove_after_load) { |
592 |
|
|
snprintf(zz, zzlen, "mv %s %s.gz", |
593 |
|
|
name_to_load, name_to_load); |
594 |
|
|
system(zz); |
595 |
|
|
snprintf(zz, zzlen, "gunzip %s.gz", |
596 |
|
|
name_to_load); |
597 |
|
|
system(zz); |
598 |
|
|
} else { |
599 |
|
|
/* gunzip into new temp file: */ |
600 |
|
|
int tmpfile_handle; |
601 |
|
|
char *new_temp_name = |
602 |
|
|
strdup("/tmp/gxemul.XXXXXXXXXXXX"); |
603 |
|
|
tmpfile_handle = mkstemp(new_temp_name); |
604 |
|
|
close(tmpfile_handle); |
605 |
|
|
snprintf(zz, zzlen, "gunzip -c '%s' > " |
606 |
|
|
"%s", name_to_load, new_temp_name); |
607 |
|
|
system(zz); |
608 |
|
|
name_to_load = new_temp_name; |
609 |
|
|
remove_after_load = 1; |
610 |
|
|
} |
611 |
dpavlin |
6 |
free(zz); |
612 |
|
|
} |
613 |
|
|
fclose(tmp_f); |
614 |
|
|
} |
615 |
|
|
|
616 |
dpavlin |
10 |
/* |
617 |
|
|
* Ugly (but usable) hack for Playstation Portable: If the |
618 |
|
|
* filename ends with ".pbp" and the file contains an ELF |
619 |
|
|
* header, then extract the ELF file into a temporary file. |
620 |
|
|
*/ |
621 |
|
|
if (strlen(name_to_load) > 4 && strcasecmp(name_to_load + |
622 |
|
|
strlen(name_to_load) - 4, ".pbp") == 0 && |
623 |
|
|
(tmp_f = fopen(name_to_load, "r")) != NULL) { |
624 |
|
|
off_t filesize, j, found=0; |
625 |
|
|
unsigned char *buf; |
626 |
|
|
fseek(tmp_f, 0, SEEK_END); |
627 |
|
|
filesize = ftello(tmp_f); |
628 |
|
|
fseek(tmp_f, 0, SEEK_SET); |
629 |
|
|
buf = malloc(filesize); |
630 |
|
|
if (buf == NULL) { |
631 |
|
|
fprintf(stderr, "out of memory while trying" |
632 |
|
|
" to read %s\n", name_to_load); |
633 |
|
|
exit(1); |
634 |
|
|
} |
635 |
|
|
fread(buf, 1, filesize, tmp_f); |
636 |
|
|
fclose(tmp_f); |
637 |
|
|
/* Search for the ELF header, from offset 1 (!): */ |
638 |
|
|
for (j=1; j<filesize - 4; j++) |
639 |
|
|
if (memcmp(buf + j, ELFMAG, SELFMAG) == 0) { |
640 |
|
|
found = j; |
641 |
|
|
break; |
642 |
|
|
} |
643 |
|
|
if (found != 0) { |
644 |
|
|
int tmpfile_handle; |
645 |
|
|
char *new_temp_name = |
646 |
|
|
strdup("/tmp/gxemul.XXXXXXXXXXXX"); |
647 |
|
|
debug("extracting ELF from %s (offset 0x%x)\n", |
648 |
|
|
name_to_load, (int)found); |
649 |
|
|
tmpfile_handle = mkstemp(new_temp_name); |
650 |
|
|
write(tmpfile_handle, buf + found, |
651 |
|
|
filesize - found); |
652 |
|
|
close(tmpfile_handle); |
653 |
|
|
name_to_load = new_temp_name; |
654 |
|
|
remove_after_load = 1; |
655 |
|
|
} |
656 |
|
|
} |
657 |
|
|
|
658 |
dpavlin |
2 |
byte_order = NO_BYTE_ORDER_OVERRIDE; |
659 |
|
|
|
660 |
dpavlin |
6 |
/* |
661 |
|
|
* Load the file: :-) |
662 |
|
|
*/ |
663 |
|
|
file_load(m, m->memory, name_to_load, &entrypoint, |
664 |
dpavlin |
2 |
m->arch, &gp, &byte_order, &toc); |
665 |
|
|
|
666 |
dpavlin |
6 |
if (remove_after_load) { |
667 |
|
|
debug("removing %s\n", name_to_load); |
668 |
|
|
unlink(name_to_load); |
669 |
|
|
} |
670 |
|
|
|
671 |
dpavlin |
2 |
if (byte_order != NO_BYTE_ORDER_OVERRIDE) |
672 |
|
|
cpu->byte_order = byte_order; |
673 |
|
|
|
674 |
|
|
cpu->pc = entrypoint; |
675 |
|
|
|
676 |
|
|
switch (m->arch) { |
677 |
dpavlin |
14 |
|
678 |
|
|
case ARCH_ALPHA: |
679 |
dpavlin |
18 |
/* For position-independent code: */ |
680 |
dpavlin |
14 |
cpu->cd.alpha.r[ALPHA_T12] = cpu->pc; |
681 |
|
|
break; |
682 |
|
|
|
683 |
|
|
case ARCH_ARM: |
684 |
dpavlin |
20 |
if (cpu->pc & 3) { |
685 |
|
|
fatal("ARM: lowest bits of pc set: TODO\n"); |
686 |
|
|
exit(1); |
687 |
|
|
} |
688 |
dpavlin |
14 |
cpu->pc &= 0xfffffffc; |
689 |
|
|
break; |
690 |
|
|
|
691 |
|
|
case ARCH_AVR: |
692 |
|
|
cpu->pc &= 0xfffff; |
693 |
|
|
if (cpu->pc & 1) { |
694 |
|
|
fatal("AVR: lowest bit of pc set: TODO\n"); |
695 |
|
|
exit(1); |
696 |
|
|
} |
697 |
|
|
break; |
698 |
|
|
|
699 |
dpavlin |
32 |
case ARCH_RCA180X: |
700 |
|
|
cpu->pc &= 0xffff; |
701 |
|
|
break; |
702 |
|
|
|
703 |
dpavlin |
14 |
case ARCH_M68K: |
704 |
|
|
break; |
705 |
|
|
|
706 |
dpavlin |
2 |
case ARCH_MIPS: |
707 |
dpavlin |
20 |
if ((cpu->pc >> 32) == 0 && (cpu->pc & 0x80000000ULL)) |
708 |
dpavlin |
2 |
cpu->pc |= 0xffffffff00000000ULL; |
709 |
|
|
|
710 |
|
|
cpu->cd.mips.gpr[MIPS_GPR_GP] = gp; |
711 |
|
|
|
712 |
|
|
if ((cpu->cd.mips.gpr[MIPS_GPR_GP] >> 32) == 0 && |
713 |
|
|
(cpu->cd.mips.gpr[MIPS_GPR_GP] & 0x80000000ULL)) |
714 |
|
|
cpu->cd.mips.gpr[MIPS_GPR_GP] |= |
715 |
|
|
0xffffffff00000000ULL; |
716 |
|
|
break; |
717 |
dpavlin |
4 |
|
718 |
dpavlin |
2 |
case ARCH_PPC: |
719 |
dpavlin |
6 |
/* See http://www.linuxbase.org/spec/ELF/ppc64/ |
720 |
|
|
spec/x458.html for more info. */ |
721 |
dpavlin |
2 |
cpu->cd.ppc.gpr[2] = toc; |
722 |
dpavlin |
6 |
/* TODO */ |
723 |
dpavlin |
14 |
if (cpu->cd.ppc.bits == 32) |
724 |
|
|
cpu->pc &= 0xffffffffULL; |
725 |
dpavlin |
2 |
break; |
726 |
dpavlin |
4 |
|
727 |
dpavlin |
14 |
case ARCH_SH: |
728 |
dpavlin |
30 |
if (cpu->cd.sh.cpu_type.bits == 32) |
729 |
dpavlin |
14 |
cpu->pc &= 0xffffffffULL; |
730 |
|
|
cpu->pc &= ~1; |
731 |
dpavlin |
12 |
break; |
732 |
|
|
|
733 |
dpavlin |
2 |
case ARCH_SPARC: |
734 |
|
|
break; |
735 |
dpavlin |
4 |
|
736 |
dpavlin |
28 |
case ARCH_TRANSPUTER: |
737 |
|
|
cpu->pc &= 0xffffffffULL; |
738 |
|
|
break; |
739 |
|
|
|
740 |
dpavlin |
2 |
default: |
741 |
|
|
fatal("emul_machine_setup(): Internal error: " |
742 |
|
|
"Unimplemented arch %i\n", m->arch); |
743 |
|
|
exit(1); |
744 |
|
|
} |
745 |
|
|
|
746 |
|
|
/* |
747 |
|
|
* For userland emulation, the remaining items |
748 |
|
|
* on the command line will be passed as parameters |
749 |
|
|
* to the emulated program, and will not be treated |
750 |
|
|
* as filenames to load into the emulator. |
751 |
|
|
* The program's name will be in load_names[0], and the |
752 |
|
|
* rest of the parameters in load_names[1] and up. |
753 |
|
|
*/ |
754 |
|
|
if (m->userland_emul != NULL) |
755 |
|
|
break; |
756 |
|
|
|
757 |
|
|
n_load --; |
758 |
|
|
load_names ++; |
759 |
|
|
} |
760 |
|
|
|
761 |
|
|
if (m->byte_order_override != NO_BYTE_ORDER_OVERRIDE) |
762 |
|
|
cpu->byte_order = m->byte_order_override; |
763 |
|
|
|
764 |
|
|
/* Same byte order and entrypoint for all CPUs: */ |
765 |
|
|
for (i=0; i<m->ncpus; i++) |
766 |
|
|
if (i != m->bootstrap_cpu) { |
767 |
|
|
m->cpus[i]->byte_order = cpu->byte_order; |
768 |
|
|
m->cpus[i]->pc = cpu->pc; |
769 |
|
|
} |
770 |
|
|
|
771 |
|
|
if (m->userland_emul != NULL) |
772 |
|
|
useremul_setup(cpu, n_load, load_names); |
773 |
|
|
|
774 |
|
|
/* Startup the bootstrap CPU: */ |
775 |
dpavlin |
30 |
cpu->running = 1; |
776 |
dpavlin |
2 |
|
777 |
|
|
/* ... or pause all CPUs, if start_paused is set: */ |
778 |
|
|
if (m->start_paused) { |
779 |
|
|
for (i=0; i<m->ncpus; i++) |
780 |
|
|
m->cpus[i]->running = 0; |
781 |
|
|
} |
782 |
|
|
|
783 |
|
|
/* Add PC dump points: */ |
784 |
|
|
add_dump_points(m); |
785 |
|
|
|
786 |
|
|
/* TODO: This is MIPS-specific! */ |
787 |
dpavlin |
22 |
if (m->machine_type == MACHINE_PMAX && |
788 |
dpavlin |
2 |
cpu->cd.mips.cpu_type.mmu_model == MMU3K) |
789 |
|
|
add_symbol_name(&m->symbol_context, |
790 |
dpavlin |
12 |
0x9fff0000, 0x10000, "r2k3k_cache", 0, 0); |
791 |
dpavlin |
2 |
|
792 |
|
|
symbol_recalc_sizes(&m->symbol_context); |
793 |
|
|
|
794 |
|
|
/* Special hack for ARC/SGI emulation: */ |
795 |
|
|
if ((m->machine_type == MACHINE_ARC || |
796 |
|
|
m->machine_type == MACHINE_SGI) && m->prom_emulation) |
797 |
|
|
add_arc_components(m); |
798 |
|
|
|
799 |
|
|
debug("starting cpu%i at ", m->bootstrap_cpu); |
800 |
|
|
switch (m->arch) { |
801 |
dpavlin |
14 |
|
802 |
|
|
case ARCH_ARM: |
803 |
|
|
/* ARM cpus aren't 64-bit: */ |
804 |
|
|
debug("0x%08x", (int)entrypoint); |
805 |
|
|
break; |
806 |
|
|
|
807 |
|
|
case ARCH_AVR: |
808 |
|
|
/* Atmel AVR uses a 16-bit or 22-bit program counter: */ |
809 |
|
|
debug("0x%04x", (int)entrypoint); |
810 |
|
|
break; |
811 |
|
|
|
812 |
dpavlin |
2 |
case ARCH_MIPS: |
813 |
dpavlin |
12 |
if (cpu->is_32bit) { |
814 |
dpavlin |
2 |
debug("0x%08x", (int)m->cpus[ |
815 |
|
|
m->bootstrap_cpu]->pc); |
816 |
|
|
if (cpu->cd.mips.gpr[MIPS_GPR_GP] != 0) |
817 |
|
|
debug(" (gp=0x%08x)", (int)m->cpus[ |
818 |
|
|
m->bootstrap_cpu]->cd.mips.gpr[ |
819 |
|
|
MIPS_GPR_GP]); |
820 |
|
|
} else { |
821 |
|
|
debug("0x%016llx", (long long)m->cpus[ |
822 |
|
|
m->bootstrap_cpu]->pc); |
823 |
|
|
if (cpu->cd.mips.gpr[MIPS_GPR_GP] != 0) |
824 |
|
|
debug(" (gp=0x%016llx)", (long long) |
825 |
|
|
cpu->cd.mips.gpr[MIPS_GPR_GP]); |
826 |
|
|
} |
827 |
|
|
break; |
828 |
dpavlin |
14 |
|
829 |
dpavlin |
2 |
case ARCH_PPC: |
830 |
|
|
if (cpu->cd.ppc.bits == 32) |
831 |
|
|
debug("0x%08x", (int)entrypoint); |
832 |
|
|
else |
833 |
|
|
debug("0x%016llx", (long long)entrypoint); |
834 |
|
|
break; |
835 |
dpavlin |
14 |
|
836 |
dpavlin |
2 |
default: |
837 |
dpavlin |
22 |
if (cpu->is_32bit) |
838 |
|
|
debug("0x%08x", (int)cpu->pc); |
839 |
|
|
else |
840 |
|
|
debug("0x%016llx", (long long)cpu->pc); |
841 |
dpavlin |
2 |
} |
842 |
|
|
debug("\n"); |
843 |
|
|
|
844 |
|
|
debug_indentation(-iadd); |
845 |
|
|
} |
846 |
|
|
|
847 |
|
|
|
848 |
|
|
/* |
849 |
|
|
* emul_dumpinfo(): |
850 |
|
|
* |
851 |
|
|
* Dump info about all machines in an emul. |
852 |
|
|
*/ |
853 |
|
|
void emul_dumpinfo(struct emul *e) |
854 |
|
|
{ |
855 |
dpavlin |
22 |
int j, nm, iadd = DEBUG_INDENTATION; |
856 |
dpavlin |
2 |
|
857 |
|
|
if (e->net != NULL) |
858 |
|
|
net_dumpinfo(e->net); |
859 |
|
|
|
860 |
|
|
nm = e->n_machines; |
861 |
|
|
for (j=0; j<nm; j++) { |
862 |
|
|
debug("machine %i: \"%s\"\n", j, e->machines[j]->name); |
863 |
|
|
debug_indentation(iadd); |
864 |
|
|
machine_dumpinfo(e->machines[j]); |
865 |
|
|
debug_indentation(-iadd); |
866 |
|
|
} |
867 |
|
|
} |
868 |
|
|
|
869 |
|
|
|
870 |
|
|
/* |
871 |
|
|
* emul_simple_init(): |
872 |
|
|
* |
873 |
|
|
* For a normal setup: |
874 |
|
|
* |
875 |
|
|
* o) Initialize a network. |
876 |
|
|
* o) Initialize one machine. |
877 |
|
|
* |
878 |
|
|
* For a userland-only setup: |
879 |
|
|
* |
880 |
|
|
* o) Initialize a "pseudo"-machine. |
881 |
|
|
*/ |
882 |
|
|
void emul_simple_init(struct emul *emul) |
883 |
|
|
{ |
884 |
dpavlin |
22 |
int iadd = DEBUG_INDENTATION; |
885 |
dpavlin |
2 |
struct machine *m; |
886 |
|
|
|
887 |
|
|
if (emul->n_machines != 1) { |
888 |
|
|
fprintf(stderr, "emul_simple_init(): n_machines != 1\n"); |
889 |
|
|
exit(1); |
890 |
|
|
} |
891 |
|
|
|
892 |
|
|
m = emul->machines[0]; |
893 |
|
|
|
894 |
|
|
if (m->userland_emul == NULL) { |
895 |
|
|
debug("Simple setup...\n"); |
896 |
|
|
debug_indentation(iadd); |
897 |
|
|
|
898 |
dpavlin |
10 |
/* Create a simple network: */ |
899 |
dpavlin |
2 |
emul->net = net_init(emul, NET_INIT_FLAG_GATEWAY, |
900 |
dpavlin |
32 |
NET_DEFAULT_IPV4_MASK, |
901 |
|
|
NET_DEFAULT_IPV4_LEN, |
902 |
|
|
NULL, 0, 0, NULL); |
903 |
dpavlin |
2 |
} else { |
904 |
|
|
/* Userland pseudo-machine: */ |
905 |
|
|
debug("Syscall emulation (userland-only) setup...\n"); |
906 |
|
|
debug_indentation(iadd); |
907 |
|
|
} |
908 |
|
|
|
909 |
|
|
/* Create the machine: */ |
910 |
|
|
emul_machine_setup(m, extra_argc, extra_argv, 0, NULL); |
911 |
|
|
|
912 |
|
|
debug_indentation(-iadd); |
913 |
|
|
} |
914 |
|
|
|
915 |
|
|
|
916 |
|
|
/* |
917 |
|
|
* emul_create_from_configfile(): |
918 |
|
|
* |
919 |
|
|
* Create an emul struct by reading settings from a configuration file. |
920 |
|
|
*/ |
921 |
dpavlin |
34 |
struct emul *emul_create_from_configfile(char *fname, int id) |
922 |
dpavlin |
2 |
{ |
923 |
dpavlin |
22 |
int iadd = DEBUG_INDENTATION; |
924 |
dpavlin |
34 |
struct emul *e = emul_new(fname, id); |
925 |
dpavlin |
2 |
|
926 |
|
|
debug("Creating emulation from configfile \"%s\":\n", fname); |
927 |
|
|
debug_indentation(iadd); |
928 |
|
|
|
929 |
dpavlin |
24 |
emul_parse_config(e, fname); |
930 |
dpavlin |
2 |
|
931 |
|
|
debug_indentation(-iadd); |
932 |
|
|
return e; |
933 |
|
|
} |
934 |
|
|
|
935 |
|
|
|
936 |
|
|
/* |
937 |
|
|
* emul_run(): |
938 |
|
|
* |
939 |
|
|
* o) Set up things needed before running emulations. |
940 |
|
|
* |
941 |
|
|
* o) Run emulations (one or more, in parallel). |
942 |
|
|
* |
943 |
|
|
* o) De-initialize things. |
944 |
|
|
*/ |
945 |
|
|
void emul_run(struct emul **emuls, int n_emuls) |
946 |
|
|
{ |
947 |
|
|
struct emul *e; |
948 |
|
|
int i = 0, j, go = 1, n, anything; |
949 |
|
|
|
950 |
|
|
if (n_emuls < 1) { |
951 |
|
|
fprintf(stderr, "emul_run(): no thing to do\n"); |
952 |
|
|
return; |
953 |
|
|
} |
954 |
|
|
|
955 |
|
|
atexit(fix_console); |
956 |
|
|
|
957 |
|
|
/* Initialize the interactive debugger: */ |
958 |
|
|
debugger_init(emuls, n_emuls); |
959 |
|
|
|
960 |
dpavlin |
22 |
/* Run any additional debugger commands before starting: */ |
961 |
|
|
for (i=0; i<n_emuls; i++) { |
962 |
|
|
struct emul *emul = emuls[i]; |
963 |
|
|
if (emul->n_debugger_cmds > 0) { |
964 |
|
|
int j; |
965 |
|
|
if (i == 0) |
966 |
|
|
print_separator(); |
967 |
|
|
for (j = 0; j < emul->n_debugger_cmds; j ++) { |
968 |
|
|
debug("> %s\n", emul->debugger_cmds[j]); |
969 |
|
|
debugger_execute_cmd(emul->debugger_cmds[j], |
970 |
|
|
strlen(emul->debugger_cmds[j])); |
971 |
|
|
} |
972 |
|
|
} |
973 |
|
|
} |
974 |
|
|
|
975 |
|
|
print_separator(); |
976 |
|
|
debug("\n"); |
977 |
|
|
|
978 |
|
|
|
979 |
dpavlin |
2 |
/* |
980 |
|
|
* console_init_main() makes sure that the terminal is in a |
981 |
|
|
* reasonable state. |
982 |
|
|
* |
983 |
|
|
* The SIGINT handler is for CTRL-C (enter the interactive debugger). |
984 |
|
|
* |
985 |
|
|
* The SIGCONT handler is invoked whenever the user presses CTRL-Z |
986 |
|
|
* (or sends SIGSTOP) and then continues. It makes sure that the |
987 |
|
|
* terminal is in an expected state. |
988 |
|
|
*/ |
989 |
|
|
console_init_main(emuls[0]); /* TODO: what is a good argument? */ |
990 |
|
|
signal(SIGINT, debugger_activate); |
991 |
|
|
signal(SIGCONT, console_sigcont); |
992 |
|
|
|
993 |
|
|
/* Not in verbose mode? Then set quiet_mode. */ |
994 |
|
|
if (!verbose) |
995 |
|
|
quiet_mode = 1; |
996 |
|
|
|
997 |
|
|
/* Initialize all CPUs in all machines in all emulations: */ |
998 |
|
|
for (i=0; i<n_emuls; i++) { |
999 |
|
|
e = emuls[i]; |
1000 |
|
|
if (e == NULL) |
1001 |
|
|
continue; |
1002 |
|
|
for (j=0; j<e->n_machines; j++) |
1003 |
dpavlin |
12 |
cpu_run_init(e->machines[j]); |
1004 |
dpavlin |
2 |
} |
1005 |
|
|
|
1006 |
dpavlin |
12 |
/* TODO: Generalize: */ |
1007 |
|
|
if (emuls[0]->machines[0]->show_trace_tree) |
1008 |
|
|
cpu_functioncall_trace(emuls[0]->machines[0]->cpus[0], |
1009 |
|
|
emuls[0]->machines[0]->cpus[0]->pc); |
1010 |
|
|
|
1011 |
dpavlin |
32 |
/* Start emulated clocks: */ |
1012 |
|
|
timer_start(); |
1013 |
|
|
|
1014 |
dpavlin |
2 |
/* |
1015 |
|
|
* MAIN LOOP: |
1016 |
|
|
* |
1017 |
|
|
* Run all emulations in parallel, running each machine in |
1018 |
|
|
* each emulation. |
1019 |
|
|
*/ |
1020 |
|
|
while (go) { |
1021 |
|
|
go = 0; |
1022 |
|
|
|
1023 |
dpavlin |
26 |
/* Flush X11 and serial console output every now and then: */ |
1024 |
dpavlin |
28 |
if (emuls[0]->machines[0]->ninstrs > |
1025 |
|
|
emuls[0]->machines[0]->ninstrs_flush + (1<<19)) { |
1026 |
dpavlin |
26 |
x11_check_event(emuls, n_emuls); |
1027 |
|
|
console_flush(); |
1028 |
dpavlin |
28 |
emuls[0]->machines[0]->ninstrs_flush = |
1029 |
|
|
emuls[0]->machines[0]->ninstrs; |
1030 |
dpavlin |
26 |
} |
1031 |
dpavlin |
2 |
|
1032 |
dpavlin |
28 |
if (emuls[0]->machines[0]->ninstrs > |
1033 |
|
|
emuls[0]->machines[0]->ninstrs_show + (1<<25)) { |
1034 |
|
|
emuls[0]->machines[0]->ninstrs_since_gettimeofday += |
1035 |
|
|
(emuls[0]->machines[0]->ninstrs - |
1036 |
|
|
emuls[0]->machines[0]->ninstrs_show); |
1037 |
dpavlin |
26 |
cpu_show_cycles(emuls[0]->machines[0], 0); |
1038 |
dpavlin |
28 |
emuls[0]->machines[0]->ninstrs_show = |
1039 |
|
|
emuls[0]->machines[0]->ninstrs; |
1040 |
dpavlin |
26 |
} |
1041 |
dpavlin |
2 |
|
1042 |
dpavlin |
26 |
if (single_step == ENTER_SINGLE_STEPPING) { |
1043 |
|
|
/* TODO: Cleanup! */ |
1044 |
|
|
old_instruction_trace = |
1045 |
|
|
emuls[0]->machines[0]->instruction_trace; |
1046 |
|
|
old_quiet_mode = quiet_mode; |
1047 |
|
|
old_show_trace_tree = |
1048 |
|
|
emuls[0]->machines[0]->show_trace_tree; |
1049 |
|
|
emuls[0]->machines[0]->instruction_trace = 1; |
1050 |
|
|
emuls[0]->machines[0]->show_trace_tree = 1; |
1051 |
|
|
quiet_mode = 0; |
1052 |
|
|
single_step = SINGLE_STEPPING; |
1053 |
|
|
} |
1054 |
dpavlin |
24 |
|
1055 |
dpavlin |
26 |
if (single_step == SINGLE_STEPPING) |
1056 |
|
|
debugger(); |
1057 |
|
|
|
1058 |
dpavlin |
32 |
for (i=0; i<n_emuls; i++) { |
1059 |
|
|
e = emuls[i]; |
1060 |
dpavlin |
26 |
|
1061 |
dpavlin |
32 |
for (j=0; j<e->n_machines; j++) { |
1062 |
|
|
if (e->machines[j]->gdb.port > 0) |
1063 |
|
|
debugger_gdb_check_incoming( |
1064 |
|
|
e->machines[j]); |
1065 |
dpavlin |
26 |
|
1066 |
dpavlin |
32 |
anything = machine_run(e->machines[j]); |
1067 |
|
|
if (anything) |
1068 |
|
|
go = 1; |
1069 |
|
|
} |
1070 |
dpavlin |
2 |
} |
1071 |
|
|
} |
1072 |
|
|
|
1073 |
dpavlin |
32 |
/* Stop any running timers: */ |
1074 |
|
|
timer_stop(); |
1075 |
|
|
|
1076 |
dpavlin |
2 |
/* Deinitialize all CPUs in all machines in all emulations: */ |
1077 |
|
|
for (i=0; i<n_emuls; i++) { |
1078 |
|
|
e = emuls[i]; |
1079 |
|
|
if (e == NULL) |
1080 |
|
|
continue; |
1081 |
|
|
for (j=0; j<e->n_machines; j++) |
1082 |
dpavlin |
12 |
cpu_run_deinit(e->machines[j]); |
1083 |
dpavlin |
2 |
} |
1084 |
|
|
|
1085 |
|
|
/* force_debugger_at_exit flag set? Then enter the debugger: */ |
1086 |
|
|
if (force_debugger_at_exit) { |
1087 |
|
|
quiet_mode = 0; |
1088 |
|
|
debugger_reset(); |
1089 |
|
|
debugger(); |
1090 |
|
|
} |
1091 |
|
|
|
1092 |
dpavlin |
32 |
/* Any machine using X11? Then wait before exiting: */ |
1093 |
dpavlin |
2 |
n = 0; |
1094 |
|
|
for (i=0; i<n_emuls; i++) |
1095 |
|
|
for (j=0; j<emuls[i]->n_machines; j++) |
1096 |
|
|
if (emuls[i]->machines[j]->use_x11) |
1097 |
|
|
n++; |
1098 |
|
|
if (n > 0) { |
1099 |
|
|
printf("Press enter to quit.\n"); |
1100 |
|
|
while (!console_charavail(MAIN_CONSOLE)) { |
1101 |
|
|
x11_check_event(emuls, n_emuls); |
1102 |
dpavlin |
32 |
usleep(10000); |
1103 |
dpavlin |
2 |
} |
1104 |
|
|
console_readchar(MAIN_CONSOLE); |
1105 |
|
|
} |
1106 |
|
|
|
1107 |
dpavlin |
32 |
console_deinit_main(); |
1108 |
dpavlin |
2 |
} |
1109 |
|
|
|