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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: main.c,v 1.296 2007/03/31 15:11:26 debug Exp $ |
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*/ |
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|
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <stdarg.h> |
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#include <string.h> |
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#include <time.h> |
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#include <unistd.h> |
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|
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#include "console.h" |
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#include "cpu.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 "emul.h" |
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#include "machine.h" |
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#include "misc.h" |
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#include "settings.h" |
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#include "timer.h" |
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|
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#ifdef TEST_NATIVE_X86 |
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#include "native_x86.h" |
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#endif |
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|
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|
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extern volatile int single_step; |
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extern int force_debugger_at_exit; |
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|
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extern int optind; |
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extern char *optarg; |
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|
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struct settings *global_settings; |
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|
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int extra_argc; |
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char **extra_argv; |
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char *progname; |
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|
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size_t dyntrans_cache_size = DEFAULT_DYNTRANS_CACHE_SIZE; |
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int native_code_translation_enabled = 0; |
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int skip_srandom_call = 0; |
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|
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|
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/***************************************************************************** |
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* |
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* NOTE: debug(), fatal(), and debug_indentation() are not re-entrant. |
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* The global variable quiet_mode can be used to suppress the output |
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* of debug(), but not the output of fatal(). |
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* |
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*****************************************************************************/ |
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|
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int verbose = 0; |
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int quiet_mode = 0; |
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|
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static int debug_indent = 0; |
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static int debug_currently_at_start_of_line = 1; |
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|
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|
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/* |
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* va_debug(): |
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* |
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* Used internally by debug() and fatal(). |
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*/ |
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static void va_debug(va_list argp, char *fmt) |
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{ |
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char buf[DEBUG_BUFSIZE + 1]; |
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char *s; |
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int i; |
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|
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buf[0] = buf[DEBUG_BUFSIZE] = 0; |
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vsnprintf(buf, DEBUG_BUFSIZE, fmt, argp); |
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|
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s = buf; |
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while (*s) { |
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if (debug_currently_at_start_of_line) { |
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for (i=0; i<debug_indent; i++) |
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printf(" "); |
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} |
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|
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printf("%c", *s); |
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|
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debug_currently_at_start_of_line = 0; |
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if (*s == '\n' || *s == '\r') |
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debug_currently_at_start_of_line = 1; |
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s++; |
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} |
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} |
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|
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|
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/* |
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* debug_indentation(): |
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* |
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* Modify the debug indentation. |
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*/ |
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void debug_indentation(int diff) |
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{ |
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debug_indent += diff; |
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if (debug_indent < 0) |
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fprintf(stderr, "WARNING: debug_indent less than 0!\n"); |
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} |
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|
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|
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/* |
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* debug(): |
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* |
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* Debug output (ignored if quiet_mode is set). |
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*/ |
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void debug(char *fmt, ...) |
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{ |
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va_list argp; |
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|
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if (quiet_mode) |
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return; |
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|
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va_start(argp, fmt); |
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va_debug(argp, fmt); |
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va_end(argp); |
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} |
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|
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|
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/* |
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* fatal(): |
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* |
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* Fatal works like debug(), but doesn't care about the quiet_mode |
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* setting. |
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*/ |
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void fatal(char *fmt, ...) |
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{ |
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va_list argp; |
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|
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va_start(argp, fmt); |
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va_debug(argp, fmt); |
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va_end(argp); |
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} |
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|
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|
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/*****************************************************************************/ |
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|
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|
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/* |
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* internal_w(): |
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* |
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* For internal use by gxemul itself. |
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*/ |
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void internal_w(char *arg) |
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{ |
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if (arg == NULL || strncmp(arg, "W@", 2) != 0) { |
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fprintf(stderr, "-W is for internal use by gxemul," |
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" not for manual use.\n"); |
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exit(1); |
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} |
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|
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arg += 2; |
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|
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switch (arg[0]) { |
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case 'S': |
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console_slave(arg + 1); |
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break; |
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default: |
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fprintf(stderr, "internal_w(): UNIMPLEMENTED arg = '%s'\n", |
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arg); |
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} |
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} |
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|
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|
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/*****************************************************************************/ |
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|
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|
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/* |
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* usage(): |
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* |
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* Prints program usage to stdout. |
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*/ |
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static void usage(int longusage) |
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{ |
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printf("GXemul"); |
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#ifdef VERSION |
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printf(" " VERSION); |
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#endif |
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printf(" Copyright (C) 2003-2007 Anders Gavare\n"); |
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printf("Read the source code and/or documentation for " |
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"other Copyright messages.\n"); |
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|
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printf("\nusage: %s [machine, other, and general options] [file " |
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"[...]]\n", progname); |
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printf(" or %s [general options] @configfile\n", progname); |
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#ifdef UNSTABLE_DEVEL |
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printf(" or %s [userland, other, and general options] file " |
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"[args ...]\n", progname); |
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#endif |
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|
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if (!longusage) { |
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printf("\nRun %s -h for help on command line options.\n", |
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progname); |
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return; |
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} |
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|
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printf("\nMachine selection options:\n"); |
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printf(" -E t try to emulate machine type t. (Use -H to get " |
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"a list of types.)\n"); |
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printf(" -e st try to emulate machine subtype st. (Use this " |
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"with -E.)\n"); |
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|
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printf("\nOther options:\n"); |
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printf(" -C x try to emulate a specific CPU. (Use -H to get a " |
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"list of types.)\n"); |
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printf(" -d fname add fname as a disk image. You can add \"xxx:\"" |
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" as a prefix\n"); |
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printf(" where xxx is one or more of the following:\n"); |
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printf(" b specifies that this is the boot" |
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" device\n"); |
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printf(" c CD-ROM\n"); |
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printf(" d DISK\n"); |
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printf(" f FLOPPY\n"); |
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printf(" gH;S; set geometry to H heads and S" |
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" sectors-per-track\n"); |
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printf(" i IDE\n"); |
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printf(" oOFS; set base offset to OFS (for ISO9660" |
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" filesystems)\n"); |
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printf(" r read-only (don't allow changes to the" |
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" file)\n"); |
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printf(" s SCSI\n"); |
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printf(" t tape\n"); |
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printf(" V add an overlay\n"); |
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printf(" 0-7 force a specific ID\n"); |
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printf(" -I hz set the main cpu frequency to hz (not used by " |
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"all combinations\n of machines and guest OSes)\n"); |
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printf(" -i display each instruction as it is executed\n"); |
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printf(" -J disable dyntrans instruction combinations\n"); |
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printf(" -j name set the name of the kernel; for DECstation " |
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"emulation, this passes\n the name to the bootloader," |
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" for example:\n"); |
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printf(" -j netbsd (NetBSD/pmax) " |
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"-j bsd (OpenBSD/pmax)\n"); |
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printf(" -j vmsprite (Sprite/pmax) " |
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"-j vmunix (Ultrix/RISC)\n"); |
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printf(" For other emulation modes, if the boot disk is an" |
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" ISO9660\n filesystem, -j sets the name of the" |
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" kernel to load.\n"); |
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printf(" -M m emulate m MBs of physical RAM\n"); |
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printf(" -N display nr of instructions/second average, at" |
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" regular intervals\n"); |
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printf(" -n nr set nr of CPUs (for SMP experiments)\n"); |
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printf(" -O force netboot (tftp instead of disk), even when" |
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" a disk image is\n" |
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" present (for DECstation, SGI, and ARC emulation)\n"); |
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printf(" -o arg set the boot argument, for DEC, ARC, or SGI" |
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" emulation\n"); |
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printf(" (default arg for DEC is -a, for ARC/SGI -aN)\n"); |
277 |
printf(" -p pc add a breakpoint (remember to use the '0x' " |
278 |
"prefix for hex!)\n"); |
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printf(" -Q no built-in PROM emulation (use this for " |
280 |
"running ROM images)\n"); |
281 |
printf(" -R use random bootstrap cpu, instead of nr 0\n"); |
282 |
printf(" -r register dumps before every instruction\n"); |
283 |
printf(" -S initialize emulated RAM to random bytes, " |
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"instead of zeroes\n"); |
285 |
printf(" -s f:name write statistics to file 'name', " |
286 |
"f is one or more of the following:\n"); |
287 |
printf(" v virtual program counter\n"); |
288 |
printf(" p physical equivalent of program counter\n"); |
289 |
printf(" i internal ic->f representation of " |
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"the program counter\n"); |
291 |
printf(" and optionally:\n"); |
292 |
printf(" d disable statistics gathering at " |
293 |
"startup\n"); |
294 |
printf(" o overwrite instead of append\n"); |
295 |
printf(" -T halt on non-existant memory accesses\n"); |
296 |
printf(" -t show function trace tree\n"); |
297 |
printf(" -U enable slow_serial_interrupts_hack_for_linux\n"); |
298 |
#ifdef WITH_X11 |
299 |
printf(" -X use X11\n"); |
300 |
printf(" -x open up new xterms for emulated serial ports " |
301 |
"(default is on when\n using configuration files or" |
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" when X11 is used, off otherwise)\n"); |
303 |
printf(" -Y n scale down framebuffer windows by n x n times\n"); |
304 |
#endif /* WITH_X11 */ |
305 |
printf(" -Z n set nr of graphics cards, for emulating a " |
306 |
"dual-head or tripple-head\n" |
307 |
" environment (only for DECstation emulation)\n"); |
308 |
printf(" -z disp add disp as an X11 display to use for " |
309 |
"framebuffers\n"); |
310 |
|
311 |
#ifdef UNSTABLE_DEVEL |
312 |
printf("\nUserland options:\n"); |
313 |
printf(" -u emul userland-only (syscall) emulation (use -H to" |
314 |
" get a list of\n available emulation modes)\n"); |
315 |
#endif |
316 |
|
317 |
printf("\nGeneral options:\n"); |
318 |
#ifdef UNSTABLE_DEVEL |
319 |
printf(" -b enable native code generation\n"); |
320 |
printf(" -B disable native code generation\n"); |
321 |
#endif |
322 |
printf(" -c cmd add cmd as a command to run before starting " |
323 |
"the simulation\n"); |
324 |
printf(" -D skip the srandom call at startup\n"); |
325 |
printf(" -H display a list of possible CPU and " |
326 |
"machine types\n"); |
327 |
printf(" -h display this help message\n"); |
328 |
printf(" -k n set dyntrans translation caches to n MB (default" |
329 |
" size is %i MB)\n", DEFAULT_DYNTRANS_CACHE_SIZE / 1048576); |
330 |
printf(" -K force the debugger to be entered at the end " |
331 |
"of a simulation\n"); |
332 |
printf(" -q quiet mode (don't print startup messages)\n"); |
333 |
printf(" -V start up in the single-step debugger, paused\n"); |
334 |
printf(" -v verbose debug messages\n"); |
335 |
printf("\n"); |
336 |
printf("If you are selecting a machine type to emulate directly " |
337 |
"on the command line,\nthen you must specify one or more names" |
338 |
" of files that you wish to load into\n" |
339 |
"memory. Supported formats are: ELF a.out ecoff srec syms raw\n" |
340 |
"where syms is the text produced by running 'nm' (or 'nm -S') " |
341 |
"on a binary.\n" |
342 |
"To load a raw binary into memory, add \"address:\" in front " |
343 |
"of the filename,\n" |
344 |
"or \"address:skiplen:\" or \"address:skiplen:initialpc:\".\n" |
345 |
"Examples:\n" |
346 |
" 0xbfc00000:rom.bin for a raw ROM image\n" |
347 |
" 0xbfc00000:0x100:rom.bin for an image with " |
348 |
"0x100 bytes header\n" |
349 |
" 0xbfc00000:0x100:0xbfc00884:rom.bin " |
350 |
"start with pc=0xbfc00884\n"); |
351 |
} |
352 |
|
353 |
|
354 |
/* |
355 |
* get_cmd_args(): |
356 |
* |
357 |
* Reads command line arguments. |
358 |
*/ |
359 |
int get_cmd_args(int argc, char *argv[], struct emul *emul, |
360 |
char ***diskimagesp, int *n_diskimagesp) |
361 |
{ |
362 |
int ch, res, using_switch_d = 0, using_switch_Z = 0; |
363 |
int using_switch_e = 0, using_switch_E = 0; |
364 |
char *type = NULL, *subtype = NULL; |
365 |
int n_cpus_set = 0; |
366 |
int msopts = 0; /* Machine-specific options used */ |
367 |
struct machine *m = emul_add_machine(emul, "default"); |
368 |
|
369 |
char *opts = |
370 |
#ifdef UNSTABLE_DEVEL |
371 |
"bB" |
372 |
#endif |
373 |
"C:c:Dd:E:e:HhI:iJj:k:KM:Nn:Oo:p:QqRrSs:TtU" |
374 |
#ifdef UNSTABLE_DEVEL |
375 |
"u:" |
376 |
#endif |
377 |
"VvW:" |
378 |
#ifdef WITH_X11 |
379 |
"XxY:" |
380 |
#endif |
381 |
"Z:z:"; |
382 |
|
383 |
while ((ch = getopt(argc, argv, opts)) != -1) { |
384 |
switch (ch) { |
385 |
#ifdef UNSTABLE_DEVEL |
386 |
case 'b': |
387 |
#ifndef NATIVE_CODE_GENERATION |
388 |
printf("-b is not available on this host arch.\n"); |
389 |
exit(1); |
390 |
#else |
391 |
native_code_translation_enabled = 1; |
392 |
break; |
393 |
#endif |
394 |
case 'B': |
395 |
native_code_translation_enabled = 0; |
396 |
break; |
397 |
#endif /* UNSTABLE_DEVEL */ |
398 |
case 'C': |
399 |
m->cpu_name = strdup(optarg); |
400 |
msopts = 1; |
401 |
break; |
402 |
case 'c': |
403 |
emul->n_debugger_cmds ++; |
404 |
emul->debugger_cmds = realloc(emul->debugger_cmds, |
405 |
emul->n_debugger_cmds * sizeof(char *)); |
406 |
if (emul->debugger_cmds == NULL) { |
407 |
fatal("out of memory\n"); |
408 |
exit(1); |
409 |
} |
410 |
emul->debugger_cmds[emul->n_debugger_cmds-1] = |
411 |
strdup(optarg); |
412 |
break; |
413 |
case 'D': |
414 |
skip_srandom_call = 1; |
415 |
break; |
416 |
case 'd': |
417 |
/* diskimage_add() is called further down */ |
418 |
(*n_diskimagesp) ++; |
419 |
(*diskimagesp) = realloc(*diskimagesp, |
420 |
sizeof(char *) * (*n_diskimagesp)); |
421 |
if (*diskimagesp == NULL) { |
422 |
fprintf(stderr, "out of memory\n"); |
423 |
exit(1); |
424 |
} |
425 |
(*diskimagesp)[(*n_diskimagesp) - 1] = strdup(optarg); |
426 |
using_switch_d = 1; |
427 |
msopts = 1; |
428 |
break; |
429 |
case 'E': |
430 |
if (using_switch_E ++ > 0) { |
431 |
fprintf(stderr, "-E already used.\n"); |
432 |
exit(1); |
433 |
} |
434 |
type = optarg; |
435 |
msopts = 1; |
436 |
break; |
437 |
case 'e': |
438 |
if (using_switch_e ++ > 0) { |
439 |
fprintf(stderr, "-e already used.\n"); |
440 |
exit(1); |
441 |
} |
442 |
subtype = optarg; |
443 |
msopts = 1; |
444 |
break; |
445 |
case 'H': |
446 |
machine_list_available_types_and_cpus(); |
447 |
exit(1); |
448 |
case 'h': |
449 |
usage(1); |
450 |
exit(1); |
451 |
case 'I': |
452 |
m->emulated_hz = atoi(optarg); |
453 |
msopts = 1; |
454 |
break; |
455 |
case 'i': |
456 |
m->instruction_trace = 1; |
457 |
msopts = 1; |
458 |
break; |
459 |
case 'J': |
460 |
m->allow_instruction_combinations = 0; |
461 |
msopts = 1; |
462 |
break; |
463 |
case 'j': |
464 |
m->boot_kernel_filename = strdup(optarg); |
465 |
if (m->boot_kernel_filename == NULL) { |
466 |
fprintf(stderr, "out of memory\n"); |
467 |
exit(1); |
468 |
} |
469 |
msopts = 1; |
470 |
break; |
471 |
case 'k': |
472 |
dyntrans_cache_size = atoi(optarg) * 1048576; |
473 |
if (dyntrans_cache_size < 1) { |
474 |
fprintf(stderr, "The dyntrans cache size must" |
475 |
" be at least 1 MB.\n"); |
476 |
exit(1); |
477 |
} |
478 |
break; |
479 |
case 'K': |
480 |
force_debugger_at_exit = 1; |
481 |
break; |
482 |
case 'M': |
483 |
m->physical_ram_in_mb = atoi(optarg); |
484 |
msopts = 1; |
485 |
break; |
486 |
case 'N': |
487 |
m->show_nr_of_instructions = 1; |
488 |
msopts = 1; |
489 |
break; |
490 |
case 'n': |
491 |
m->ncpus = atoi(optarg); |
492 |
n_cpus_set = 1; |
493 |
msopts = 1; |
494 |
break; |
495 |
case 'O': |
496 |
m->force_netboot = 1; |
497 |
msopts = 1; |
498 |
break; |
499 |
case 'o': |
500 |
m->boot_string_argument = strdup(optarg); |
501 |
if (m->boot_string_argument == NULL) { |
502 |
fprintf(stderr, "out of memory\n"); |
503 |
exit(1); |
504 |
} |
505 |
msopts = 1; |
506 |
break; |
507 |
case 'p': |
508 |
if (m->n_breakpoints >= MAX_BREAKPOINTS) { |
509 |
fprintf(stderr, "too many breakpoints\n"); |
510 |
exit(1); |
511 |
} |
512 |
m->breakpoint_string[m->n_breakpoints] = strdup(optarg); |
513 |
if (m->breakpoint_string[m->n_breakpoints] == NULL) { |
514 |
fprintf(stderr, "out of memory\n"); |
515 |
exit(1); |
516 |
} |
517 |
m->breakpoint_flags[m->n_breakpoints] = 0; |
518 |
m->n_breakpoints ++; |
519 |
msopts = 1; |
520 |
break; |
521 |
case 'Q': |
522 |
m->prom_emulation = 0; |
523 |
msopts = 1; |
524 |
break; |
525 |
case 'q': |
526 |
quiet_mode = 1; |
527 |
break; |
528 |
case 'R': |
529 |
m->use_random_bootstrap_cpu = 1; |
530 |
msopts = 1; |
531 |
break; |
532 |
case 'r': |
533 |
m->register_dump = 1; |
534 |
msopts = 1; |
535 |
break; |
536 |
case 'S': |
537 |
m->random_mem_contents = 1; |
538 |
msopts = 1; |
539 |
break; |
540 |
case 's': |
541 |
machine_statistics_init(m, optarg); |
542 |
native_code_translation_enabled = 0; |
543 |
msopts = 1; |
544 |
break; |
545 |
case 'T': |
546 |
m->halt_on_nonexistant_memaccess = 1; |
547 |
msopts = 1; |
548 |
break; |
549 |
case 't': |
550 |
m->show_trace_tree = 1; |
551 |
msopts = 1; |
552 |
break; |
553 |
case 'U': |
554 |
m->slow_serial_interrupts_hack_for_linux = 1; |
555 |
msopts = 1; |
556 |
break; |
557 |
case 'u': |
558 |
m->userland_emul = strdup(optarg); |
559 |
if (m->userland_emul == NULL) { |
560 |
fprintf(stderr, "out of memory\n"); |
561 |
exit(1); |
562 |
} |
563 |
m->machine_type = MACHINE_USERLAND; |
564 |
msopts = 1; |
565 |
break; |
566 |
case 'V': |
567 |
single_step = ENTER_SINGLE_STEPPING; |
568 |
break; |
569 |
case 'v': |
570 |
verbose ++; |
571 |
break; |
572 |
case 'W': |
573 |
internal_w(optarg); |
574 |
exit(0); |
575 |
case 'X': |
576 |
m->use_x11 = 1; |
577 |
msopts = 1; |
578 |
/* FALL-THROUGH */ |
579 |
case 'x': |
580 |
console_allow_slaves(1); |
581 |
break; |
582 |
case 'Y': |
583 |
m->x11_scaledown = atoi(optarg); |
584 |
if (m->x11_scaledown < -1) { |
585 |
m->x11_scaleup = - m->x11_scaledown; |
586 |
m->x11_scaledown = 1; |
587 |
} |
588 |
if (m->x11_scaledown < 1) { |
589 |
fprintf(stderr, "Invalid scaledown value.\n"); |
590 |
exit(1); |
591 |
} |
592 |
msopts = 1; |
593 |
break; |
594 |
case 'Z': |
595 |
m->n_gfx_cards = atoi(optarg); |
596 |
using_switch_Z = 1; |
597 |
msopts = 1; |
598 |
break; |
599 |
case 'z': |
600 |
m->x11_n_display_names ++; |
601 |
m->x11_display_names = realloc( |
602 |
m->x11_display_names, |
603 |
m->x11_n_display_names * sizeof(char *)); |
604 |
if (m->x11_display_names == NULL) { |
605 |
fprintf(stderr, "out of memory\n"); |
606 |
exit(1); |
607 |
} |
608 |
m->x11_display_names[m->x11_n_display_names-1] = |
609 |
strdup(optarg); |
610 |
if (m->x11_display_names |
611 |
[m->x11_n_display_names-1] == NULL) { |
612 |
fprintf(stderr, "out of memory\n"); |
613 |
exit(1); |
614 |
} |
615 |
msopts = 1; |
616 |
break; |
617 |
default: |
618 |
fprintf(stderr, "Run %s -h for help on command " |
619 |
"line options.\n", progname); |
620 |
exit(1); |
621 |
} |
622 |
} |
623 |
|
624 |
if (type != NULL || subtype != NULL) { |
625 |
if (type == NULL) |
626 |
type = ""; |
627 |
if (subtype == NULL) |
628 |
subtype = ""; |
629 |
res = machine_name_to_type(type, subtype, |
630 |
&m->machine_type, &m->machine_subtype, &m->arch); |
631 |
if (!res) |
632 |
exit(1); |
633 |
} |
634 |
|
635 |
argc -= optind; |
636 |
argv += optind; |
637 |
|
638 |
extra_argc = argc; |
639 |
extra_argv = argv; |
640 |
|
641 |
|
642 |
if (m->machine_type == MACHINE_NONE && msopts) { |
643 |
fprintf(stderr, "Machine specific options used directly on " |
644 |
"the command line, but no machine\nemulation specified?\n"); |
645 |
exit(1); |
646 |
} |
647 |
|
648 |
|
649 |
/* -i and -r are pretty verbose: */ |
650 |
|
651 |
if (m->instruction_trace && !verbose) { |
652 |
fprintf(stderr, "Implicitly %sturning on -v, because" |
653 |
" of -i\n", quiet_mode? "turning off -q and " : ""); |
654 |
verbose = 1; |
655 |
quiet_mode = 0; |
656 |
} |
657 |
|
658 |
if (m->register_dump && !verbose) { |
659 |
fprintf(stderr, "Implicitly %sturning on -v, because" |
660 |
" of -r\n", quiet_mode? "turning off -q and " : ""); |
661 |
verbose = 1; |
662 |
quiet_mode = 0; |
663 |
} |
664 |
|
665 |
|
666 |
/* |
667 |
* Usually, an executable filename must be supplied. |
668 |
* |
669 |
* However, it is possible to boot directly from a harddisk image |
670 |
* file. If no kernel is supplied, but a diskimage is being used, |
671 |
* then try to boot from disk. |
672 |
*/ |
673 |
if (extra_argc == 0) { |
674 |
if (using_switch_d) { |
675 |
/* Booting directly from a disk image... */ |
676 |
} else { |
677 |
usage(0); |
678 |
fprintf(stderr, "\nNo filename given. Aborting.\n"); |
679 |
exit(1); |
680 |
} |
681 |
} else if (m->boot_kernel_filename[0] == '\0') { |
682 |
/* |
683 |
* Default boot_kernel_filename is "", which can be overriden |
684 |
* by the -j command line option. If it is still "" here, |
685 |
* and we're not booting directly from a disk image, then |
686 |
* try to set it to the last part of the last file name |
687 |
* given on the command line. (Last part = the stuff after |
688 |
* the last slash.) |
689 |
*/ |
690 |
char *s = extra_argv[extra_argc - 1]; |
691 |
char *s2; |
692 |
|
693 |
s2 = strrchr(s, '/'); |
694 |
if (s2 == NULL) |
695 |
s2 = s; |
696 |
else |
697 |
s2 ++; |
698 |
|
699 |
m->boot_kernel_filename = strdup(s2); |
700 |
if (m->boot_kernel_filename == NULL) { |
701 |
fprintf(stderr, "out of memory\n"); |
702 |
exit(1); |
703 |
} |
704 |
} |
705 |
|
706 |
if (m->n_gfx_cards < 0 || m->n_gfx_cards > 3) { |
707 |
fprintf(stderr, "Bad number of gfx cards (-Z).\n"); |
708 |
exit(1); |
709 |
} |
710 |
|
711 |
if (!using_switch_Z && !m->use_x11) |
712 |
m->n_gfx_cards = 0; |
713 |
|
714 |
return 0; |
715 |
} |
716 |
|
717 |
|
718 |
/* |
719 |
* main(): |
720 |
* |
721 |
* Two kinds of emulations are started from here: |
722 |
* |
723 |
* o) Simple emulations, using command line arguments, compatible with |
724 |
* earlier version of GXemul/mips64emul. |
725 |
* |
726 |
* o) Emulations set up by parsing special config files. (0 or more.) |
727 |
*/ |
728 |
int main(int argc, char *argv[]) |
729 |
{ |
730 |
/* Setting constants: */ |
731 |
const int constant_yes = 1; |
732 |
const int constant_true = 1; |
733 |
const int constant_no = 0; |
734 |
const int constant_false = 0; |
735 |
|
736 |
struct emul **emuls; |
737 |
char **diskimages = NULL; |
738 |
int n_diskimages = 0; |
739 |
int n_emuls; |
740 |
int i; |
741 |
|
742 |
|
743 |
/* |
744 |
* Experimental profil() code, which works on my laptop. |
745 |
* Don't use it for anything else. |
746 |
*/ |
747 |
#ifdef USE_PROFIL |
748 |
uint16_t samples[0x100000]; |
749 |
memset(samples, 0, sizeof(samples)); |
750 |
profil((char *)samples, sizeof(samples), (vm_offset_t) 0x400000, 8192); |
751 |
#endif |
752 |
|
753 |
#ifndef NATIVE_CODE_GENERATION |
754 |
native_code_translation_enabled = 0; |
755 |
#endif |
756 |
|
757 |
|
758 |
/* Experimental test code: */ |
759 |
#ifdef TEST_NATIVE_X86 |
760 |
test_native_x86(); |
761 |
#endif |
762 |
|
763 |
|
764 |
|
765 |
progname = argv[0]; |
766 |
|
767 |
|
768 |
/* |
769 |
* Create the settings object, and add global settings to it: |
770 |
* |
771 |
* Read-only "constants": yes, no, true, false. |
772 |
* Global emulator settings: verbose, single_step, ... |
773 |
*/ |
774 |
global_settings = settings_new(); |
775 |
|
776 |
settings_add(global_settings, "yes", 0, SETTINGS_TYPE_INT, |
777 |
SETTINGS_FORMAT_YESNO, (void *)&constant_yes); |
778 |
settings_add(global_settings, "no", 0, SETTINGS_TYPE_INT, |
779 |
SETTINGS_FORMAT_YESNO, (void *)&constant_no); |
780 |
settings_add(global_settings, "true", 0, SETTINGS_TYPE_INT, |
781 |
SETTINGS_FORMAT_BOOL, (void *)&constant_true); |
782 |
settings_add(global_settings, "false", 0, SETTINGS_TYPE_INT, |
783 |
SETTINGS_FORMAT_BOOL, (void *)&constant_false); |
784 |
|
785 |
/* Read-only settings: */ |
786 |
settings_add(global_settings, "native_code_translation_enabled", 0, |
787 |
SETTINGS_TYPE_INT, SETTINGS_FORMAT_YESNO, |
788 |
(void *)&native_code_translation_enabled); |
789 |
settings_add(global_settings, "single_step", 0, |
790 |
SETTINGS_TYPE_INT, SETTINGS_FORMAT_YESNO, (void *)&single_step); |
791 |
|
792 |
/* Read/write settings: */ |
793 |
settings_add(global_settings, "force_debugger_at_exit", 1, |
794 |
SETTINGS_TYPE_INT, SETTINGS_FORMAT_YESNO, |
795 |
(void *)&force_debugger_at_exit); |
796 |
settings_add(global_settings, "verbose", 1, |
797 |
SETTINGS_TYPE_INT, SETTINGS_FORMAT_YESNO, (void *)&verbose); |
798 |
settings_add(global_settings, "quiet_mode", 1, |
799 |
SETTINGS_TYPE_INT, SETTINGS_FORMAT_YESNO, (void *)&quiet_mode); |
800 |
|
801 |
/* Initialize all emulator subsystems: */ |
802 |
console_init(); |
803 |
cpu_init(); |
804 |
device_init(); |
805 |
machine_init(); |
806 |
timer_init(); |
807 |
useremul_init(); |
808 |
|
809 |
emuls = malloc(sizeof(struct emul *)); |
810 |
if (emuls == NULL) { |
811 |
fprintf(stderr, "out of memory\n"); |
812 |
exit(1); |
813 |
} |
814 |
|
815 |
/* Allocate space for a simple emul setup: */ |
816 |
n_emuls = 1; |
817 |
emuls[0] = emul_new(NULL, 0); |
818 |
if (emuls[0] == NULL) { |
819 |
fprintf(stderr, "out of memory\n"); |
820 |
exit(1); |
821 |
} |
822 |
settings_add(global_settings, "emul[0]", 1, |
823 |
SETTINGS_TYPE_SUBSETTINGS, 0, emuls[0]->settings); |
824 |
|
825 |
get_cmd_args(argc, argv, emuls[0], &diskimages, &n_diskimages); |
826 |
|
827 |
if (!skip_srandom_call) { |
828 |
struct timeval tv; |
829 |
gettimeofday(&tv, NULL); |
830 |
srandom(tv.tv_sec ^ getpid() ^ tv.tv_usec); |
831 |
} |
832 |
|
833 |
/* Print startup message: */ |
834 |
debug("GXemul"); |
835 |
#ifdef VERSION |
836 |
debug(" " VERSION); |
837 |
#endif |
838 |
debug(" Copyright (C) 2003-2007 Anders Gavare\n"); |
839 |
debug("Read the source code and/or documentation for " |
840 |
"other Copyright messages.\n\n"); |
841 |
|
842 |
if (emuls[0]->machines[0]->machine_type == MACHINE_NONE) { |
843 |
n_emuls --; |
844 |
} else { |
845 |
for (i=0; i<n_diskimages; i++) |
846 |
diskimage_add(emuls[0]->machines[0], diskimages[i]); |
847 |
} |
848 |
|
849 |
/* Simple initialization, from command line arguments: */ |
850 |
if (n_emuls > 0) { |
851 |
/* Make sure that there are no configuration files as well: */ |
852 |
for (i=1; i<argc; i++) |
853 |
if (argv[i][0] == '@') { |
854 |
fprintf(stderr, "You can either start one " |
855 |
"emulation with one machine directly from " |
856 |
"the command\nline, or start one or more " |
857 |
"emulations using configuration files." |
858 |
" Not both.\n"); |
859 |
exit(1); |
860 |
} |
861 |
|
862 |
/* Initialize one emul: */ |
863 |
emul_simple_init(emuls[0]); |
864 |
} |
865 |
|
866 |
/* Initialize emulations from config files: */ |
867 |
for (i=1; i<argc; i++) { |
868 |
if (argv[i][0] == '@') { |
869 |
char tmpstr[50]; |
870 |
char *s = argv[i] + 1; |
871 |
if (strlen(s) == 0 && i+1 < argc && |
872 |
argv[i+1][0] != '@') { |
873 |
i++; |
874 |
s = argv[i]; |
875 |
} |
876 |
n_emuls ++; |
877 |
emuls = realloc(emuls, sizeof(struct emul *) * n_emuls); |
878 |
if (emuls == NULL) { |
879 |
fprintf(stderr, "out of memory\n"); |
880 |
exit(1); |
881 |
} |
882 |
|
883 |
/* Always allow slave xterms when using multiple |
884 |
emulations: */ |
885 |
console_allow_slaves(1); |
886 |
|
887 |
/* Destroy the temporary emuls[0], since it will |
888 |
be overwritten: */ |
889 |
if (n_emuls == 1) { |
890 |
emul_destroy(emuls[0]); |
891 |
settings_remove(global_settings, "emul[0]"); |
892 |
} |
893 |
|
894 |
emuls[n_emuls - 1] = |
895 |
emul_create_from_configfile(s, n_emuls - 1); |
896 |
|
897 |
snprintf(tmpstr, sizeof(tmpstr), "emul[%i]", n_emuls-1); |
898 |
settings_add(global_settings, tmpstr, 1, |
899 |
SETTINGS_TYPE_SUBSETTINGS, 0, |
900 |
emuls[n_emuls-1]->settings); |
901 |
} |
902 |
} |
903 |
|
904 |
if (n_emuls == 0) { |
905 |
fprintf(stderr, "No emulations defined. Maybe you forgot to " |
906 |
"use -E xx and/or -e yy, to specify\nthe machine type." |
907 |
" For example:\n\n %s -e 3max -d disk.img\n\n" |
908 |
"to boot an emulated DECstation 5000/200 with a disk " |
909 |
"image.\n", progname); |
910 |
exit(1); |
911 |
} |
912 |
|
913 |
device_set_exit_on_error(0); |
914 |
console_warn_if_slaves_are_needed(1); |
915 |
|
916 |
|
917 |
/* Run all emulations: */ |
918 |
emul_run(emuls, n_emuls); |
919 |
|
920 |
|
921 |
/* |
922 |
* Deinitialize everything: |
923 |
*/ |
924 |
|
925 |
console_deinit(); |
926 |
|
927 |
for (i=0; i<n_emuls; i++) |
928 |
emul_destroy(emuls[i]); |
929 |
|
930 |
settings_remove_all(global_settings); |
931 |
settings_destroy(global_settings); |
932 |
|
933 |
#ifdef USE_PROFIL |
934 |
{ |
935 |
int i; |
936 |
FILE *f = fopen("output.txt", "w"); |
937 |
for (i=0; i<sizeof(samples) / sizeof(uint16_t); ++i) { |
938 |
if (samples[i] != 0) |
939 |
fprintf(f, "%i %p\n", samples[i], |
940 |
(void *) (size_t) (0x400000 + i * 16)); |
941 |
} |
942 |
} |
943 |
#endif |
944 |
|
945 |
return 0; |
946 |
} |
947 |
|