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dpavlin |
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/* |
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* Copyright (C) 2003-2005 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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dpavlin |
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* $Id: main.c,v 1.248 2005/11/23 02:17:00 debug Exp $ |
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dpavlin |
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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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#include "console.h" |
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#include "cpu.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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extern volatile int single_step; |
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extern int force_debugger_at_exit; |
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extern int show_opcode_statistics; |
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extern int optind; |
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extern char *optarg; |
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int extra_argc; |
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char **extra_argv; |
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char *progname; |
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int fully_deterministic = 0; |
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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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int verbose = 0; |
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int quiet_mode = 0; |
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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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* 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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buf[0] = buf[DEBUG_BUFSIZE] = 0; |
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vsnprintf(buf, DEBUG_BUFSIZE, fmt, argp); |
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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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printf("%c", *s); |
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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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* 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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* 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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if (quiet_mode) |
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return; |
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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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* 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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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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* 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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arg += 2; |
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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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* 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) 2003-2005 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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printf("\nusage: %s [machine, other, and general options] [file " |
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"[...]]\n", progname); |
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dpavlin |
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printf(" or %s [general options] @configfile\n", progname); |
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dpavlin |
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printf(" or %s [userland, other, and general options] file " |
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"[args ...]\n", progname); |
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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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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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printf("\nOther options:\n"); |
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dpavlin |
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printf(" -A disable alignment checks in some cases (for higher" |
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" speed)\n"); |
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dpavlin |
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#ifdef BINTRANS |
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dpavlin |
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printf(" -B disable dynamic binary translation. (translation" |
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" is turned on\n by default, if the host " |
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"supports it)\n"); |
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dpavlin |
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#endif |
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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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dpavlin |
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printf(" b specifies that this is the boot" |
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dpavlin |
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" device\n"); |
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dpavlin |
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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(" r read-only (don't allow changes to the" |
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dpavlin |
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" file)\n"); |
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dpavlin |
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printf(" s SCSI\n"); |
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printf(" t tape\n"); |
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printf(" 0-7 force a specific ID\n"); |
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dpavlin |
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printf(" -I x emulate clock interrupts at x Hz (affects" |
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" rtc devices only, not\n"); |
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printf(" actual runtime speed) (this disables automatic" |
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" clock adjustments)\n"); |
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printf(" -i display each instruction as it is executed\n"); |
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printf(" -J disable some speed tricks\n"); |
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printf(" -j name set the name of the kernel, for example:\n"); |
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printf(" -j netbsd for NetBSD/pmax\n"); |
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printf(" -j bsd for OpenBSD/pmax\n"); |
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printf(" -j vmunix for Ultrix/RISC\n"); |
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printf(" -M m emulate m MBs of physical RAM\n"); |
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printf(" -m nr run at most nr instructions (on any cpu)\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 '-aN'.\n"); |
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printf(" -p pc add a breakpoint (remember to use the '0x' " |
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"prefix for hex!)\n"); |
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printf(" -Q no built-in PROM emulation (use this for " |
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"running ROM images)\n"); |
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printf(" -R use random bootstrap cpu, instead of nr 0\n"); |
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printf(" -r register dumps before every instruction\n"); |
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printf(" -S initialize emulated RAM to random bytes, " |
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"instead of zeroes\n"); |
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printf(" -T enter the single-step debugger on " |
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"unimplemented memory accesses\n"); |
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printf(" -t show function trace tree\n"); |
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printf(" -U enable slow_serial_interrupts_hack_for_linux\n"); |
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#ifdef WITH_X11 |
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printf(" -X use X11\n"); |
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#endif /* WITH_X11 */ |
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printf(" -x open up new xterms for emulated serial ports " |
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"(default is on when\n using configuration files, off" |
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" otherwise)\n"); |
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#ifdef WITH_X11 |
285 |
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printf(" -Y n scale down framebuffer windows by n x n times\n"); |
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#endif /* WITH_X11 */ |
287 |
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printf(" -y x set max_random_cycles_per_chunk to x" |
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" (experimental)\n"); |
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printf(" -Z n set nr of graphics cards, for emulating a " |
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"dual-head or tripple-head\n" |
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" environment (only for DECstation emulation)\n"); |
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printf(" -z disp add disp as an X11 display to use for " |
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"framebuffers\n"); |
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printf("\nUserland options:\n"); |
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printf(" -u emul userland-only (syscall) emulation (use -H to" |
297 |
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" get a list of\n available emulation modes)\n"); |
298 |
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printf("\nGeneral options:\n"); |
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printf(" -D guarantee fully deterministic behaviour\n"); |
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printf(" -H display a list of possible CPU and " |
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"machine types\n"); |
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printf(" -h display this help message\n"); |
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printf(" -K force the debugger to be entered at the end " |
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"of a simulation\n"); |
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printf(" -q quiet mode (don't print startup messages)\n"); |
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printf(" -s show opcode usage statistics after simulation\n"); |
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printf(" -V start up in the single-step debugger, paused\n"); |
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printf(" -v verbose debug messages\n"); |
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printf("\n"); |
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printf("If you are selecting a machine type to emulate directly " |
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"on the command line,\nthen you must specify one or more names" |
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" of files that you wish to load into\n" |
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"memory. Supported formats are: ELF a.out ecoff srec syms raw\n" |
315 |
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"where syms is the text produced by running 'nm' (or 'nm -S') " |
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"on a binary.\n" |
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"To load a raw binary into memory, add \"address:\" in front " |
318 |
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"of the filename,\n" |
319 |
dpavlin |
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"or \"address:skiplen:\" or \"address:skiplen:initialpc:\".\n" |
320 |
dpavlin |
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"Examples:\n" |
321 |
dpavlin |
4 |
" 0xbfc00000:rom.bin for a raw ROM image\n" |
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" 0xbfc00000:0x100:rom.bin for an image with " |
323 |
dpavlin |
2 |
"0x100 bytes header\n" |
324 |
dpavlin |
4 |
" 0xbfc00000:0x100:0xbfc00884:rom.bin " |
325 |
dpavlin |
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"start with pc=0xbfc00884\n"); |
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} |
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328 |
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329 |
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/* |
330 |
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* get_cmd_args(): |
331 |
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* |
332 |
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* Reads command line arguments. |
333 |
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*/ |
334 |
dpavlin |
4 |
int get_cmd_args(int argc, char *argv[], struct emul *emul, |
335 |
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char ***diskimagesp, int *n_diskimagesp) |
336 |
dpavlin |
2 |
{ |
337 |
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int ch, res, using_switch_d = 0, using_switch_Z = 0; |
338 |
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char *type = NULL, *subtype = NULL; |
339 |
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int n_cpus_set = 0; |
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int msopts = 0; /* Machine-specific options used */ |
341 |
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struct machine *m = emul_add_machine(emul, "default"); |
342 |
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343 |
dpavlin |
12 |
while ((ch = getopt(argc, argv, "ABC:Dd:E:e:HhI:iJj:KM:m:" |
344 |
dpavlin |
2 |
"Nn:Oo:p:QqRrSsTtUu:VvW:XxY:y:Z:z:")) != -1) { |
345 |
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switch (ch) { |
346 |
dpavlin |
12 |
case 'A': |
347 |
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m->dyntrans_alignment_check = 0; |
348 |
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msopts = 1; |
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break; |
350 |
dpavlin |
2 |
case 'B': |
351 |
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m->bintrans_enable = 0; |
352 |
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msopts = 1; |
353 |
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break; |
354 |
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case 'C': |
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m->cpu_name = strdup(optarg); |
356 |
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msopts = 1; |
357 |
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break; |
358 |
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case 'D': |
359 |
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fully_deterministic = 1; |
360 |
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break; |
361 |
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case 'd': |
362 |
dpavlin |
4 |
/* diskimage_add() is called further down */ |
363 |
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(*n_diskimagesp) ++; |
364 |
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(*diskimagesp) = realloc(*diskimagesp, |
365 |
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sizeof(char *) * (*n_diskimagesp)); |
366 |
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if (*diskimagesp == NULL) { |
367 |
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fprintf(stderr, "out of memory\n"); |
368 |
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exit(1); |
369 |
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} |
370 |
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(*diskimagesp)[(*n_diskimagesp) - 1] = strdup(optarg); |
371 |
dpavlin |
2 |
using_switch_d = 1; |
372 |
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msopts = 1; |
373 |
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break; |
374 |
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case 'E': |
375 |
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type = optarg; |
376 |
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msopts = 1; |
377 |
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break; |
378 |
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case 'e': |
379 |
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subtype = optarg; |
380 |
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msopts = 1; |
381 |
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break; |
382 |
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case 'H': |
383 |
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machine_list_available_types_and_cpus(); |
384 |
|
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exit(1); |
385 |
|
|
case 'h': |
386 |
|
|
usage(1); |
387 |
|
|
exit(1); |
388 |
|
|
case 'I': |
389 |
|
|
m->emulated_hz = atoi(optarg); |
390 |
|
|
m->automatic_clock_adjustment = 0; |
391 |
|
|
msopts = 1; |
392 |
|
|
break; |
393 |
|
|
case 'i': |
394 |
|
|
m->instruction_trace = 1; |
395 |
|
|
msopts = 1; |
396 |
|
|
break; |
397 |
|
|
case 'J': |
398 |
|
|
m->speed_tricks = 0; |
399 |
|
|
msopts = 1; |
400 |
|
|
break; |
401 |
|
|
case 'j': |
402 |
|
|
m->boot_kernel_filename = strdup(optarg); |
403 |
|
|
if (m->boot_kernel_filename == NULL) { |
404 |
|
|
fprintf(stderr, "out of memory\n"); |
405 |
|
|
exit(1); |
406 |
|
|
} |
407 |
|
|
msopts = 1; |
408 |
|
|
break; |
409 |
|
|
case 'K': |
410 |
|
|
force_debugger_at_exit = 1; |
411 |
|
|
break; |
412 |
|
|
case 'M': |
413 |
|
|
m->physical_ram_in_mb = atoi(optarg); |
414 |
|
|
msopts = 1; |
415 |
|
|
break; |
416 |
|
|
case 'm': |
417 |
|
|
m->max_instructions = atoi(optarg); |
418 |
|
|
msopts = 1; |
419 |
|
|
break; |
420 |
|
|
case 'N': |
421 |
|
|
m->show_nr_of_instructions = 1; |
422 |
|
|
msopts = 1; |
423 |
|
|
break; |
424 |
|
|
case 'n': |
425 |
|
|
m->ncpus = atoi(optarg); |
426 |
|
|
n_cpus_set = 1; |
427 |
|
|
msopts = 1; |
428 |
|
|
break; |
429 |
|
|
case 'O': |
430 |
|
|
m->force_netboot = 1; |
431 |
|
|
msopts = 1; |
432 |
|
|
break; |
433 |
|
|
case 'o': |
434 |
|
|
m->boot_string_argument = strdup(optarg); |
435 |
|
|
if (m->boot_string_argument == NULL) { |
436 |
|
|
fprintf(stderr, "out of memory\n"); |
437 |
|
|
exit(1); |
438 |
|
|
} |
439 |
|
|
msopts = 1; |
440 |
|
|
break; |
441 |
|
|
case 'p': |
442 |
|
|
if (m->n_breakpoints >= MAX_BREAKPOINTS) { |
443 |
|
|
fprintf(stderr, "too many breakpoints\n"); |
444 |
|
|
exit(1); |
445 |
|
|
} |
446 |
|
|
m->breakpoint_string[m->n_breakpoints] = strdup(optarg); |
447 |
|
|
if (m->breakpoint_string[m->n_breakpoints] == NULL) { |
448 |
|
|
fprintf(stderr, "out of memory\n"); |
449 |
|
|
exit(1); |
450 |
|
|
} |
451 |
|
|
m->breakpoint_flags[m->n_breakpoints] = 0; |
452 |
|
|
m->n_breakpoints ++; |
453 |
|
|
msopts = 1; |
454 |
|
|
break; |
455 |
|
|
case 'Q': |
456 |
|
|
m->prom_emulation = 0; |
457 |
|
|
msopts = 1; |
458 |
|
|
break; |
459 |
|
|
case 'q': |
460 |
|
|
quiet_mode = 1; |
461 |
|
|
break; |
462 |
|
|
case 'R': |
463 |
|
|
m->use_random_bootstrap_cpu = 1; |
464 |
|
|
msopts = 1; |
465 |
|
|
break; |
466 |
|
|
case 'r': |
467 |
|
|
m->register_dump = 1; |
468 |
|
|
msopts = 1; |
469 |
|
|
break; |
470 |
|
|
case 'S': |
471 |
|
|
m->random_mem_contents = 1; |
472 |
|
|
msopts = 1; |
473 |
|
|
break; |
474 |
|
|
case 's': |
475 |
|
|
show_opcode_statistics = 1; |
476 |
|
|
break; |
477 |
|
|
case 'T': |
478 |
|
|
m->single_step_on_bad_addr = 1; |
479 |
|
|
msopts = 1; |
480 |
|
|
break; |
481 |
|
|
case 't': |
482 |
|
|
m->show_trace_tree = 1; |
483 |
|
|
msopts = 1; |
484 |
|
|
break; |
485 |
|
|
case 'U': |
486 |
|
|
m->slow_serial_interrupts_hack_for_linux = 1; |
487 |
|
|
msopts = 1; |
488 |
|
|
break; |
489 |
|
|
case 'u': |
490 |
|
|
m->userland_emul = strdup(optarg); |
491 |
|
|
if (m->userland_emul == NULL) { |
492 |
|
|
fprintf(stderr, "out of memory\n"); |
493 |
|
|
exit(1); |
494 |
|
|
} |
495 |
|
|
m->machine_type = MACHINE_USERLAND; |
496 |
|
|
msopts = 1; |
497 |
|
|
break; |
498 |
|
|
case 'V': |
499 |
|
|
single_step = 1; |
500 |
|
|
break; |
501 |
|
|
case 'v': |
502 |
|
|
verbose ++; |
503 |
|
|
break; |
504 |
|
|
case 'W': |
505 |
|
|
internal_w(optarg); |
506 |
|
|
exit(0); |
507 |
|
|
case 'X': |
508 |
|
|
m->use_x11 = 1; |
509 |
|
|
msopts = 1; |
510 |
|
|
break; |
511 |
|
|
case 'x': |
512 |
|
|
console_allow_slaves(1); |
513 |
|
|
break; |
514 |
|
|
case 'Y': |
515 |
|
|
m->x11_scaledown = atoi(optarg); |
516 |
dpavlin |
20 |
if (m->x11_scaledown < -1) { |
517 |
|
|
m->x11_scaleup = - m->x11_scaledown; |
518 |
|
|
m->x11_scaledown = 1; |
519 |
|
|
} |
520 |
dpavlin |
4 |
if (m->x11_scaledown < 1) { |
521 |
|
|
fprintf(stderr, "Invalid scaledown value.\n"); |
522 |
|
|
exit(1); |
523 |
|
|
} |
524 |
dpavlin |
2 |
msopts = 1; |
525 |
|
|
break; |
526 |
|
|
case 'y': |
527 |
|
|
m->max_random_cycles_per_chunk = atoi(optarg); |
528 |
|
|
msopts = 1; |
529 |
|
|
break; |
530 |
|
|
case 'Z': |
531 |
|
|
m->n_gfx_cards = atoi(optarg); |
532 |
|
|
using_switch_Z = 1; |
533 |
|
|
msopts = 1; |
534 |
|
|
break; |
535 |
|
|
case 'z': |
536 |
|
|
m->x11_n_display_names ++; |
537 |
|
|
m->x11_display_names = realloc( |
538 |
|
|
m->x11_display_names, |
539 |
|
|
m->x11_n_display_names * sizeof(char *)); |
540 |
|
|
if (m->x11_display_names == NULL) { |
541 |
|
|
fprintf(stderr, "out of memory\n"); |
542 |
|
|
exit(1); |
543 |
|
|
} |
544 |
|
|
m->x11_display_names[m->x11_n_display_names-1] = |
545 |
|
|
strdup(optarg); |
546 |
|
|
if (m->x11_display_names |
547 |
|
|
[m->x11_n_display_names-1] == NULL) { |
548 |
|
|
fprintf(stderr, "out of memory\n"); |
549 |
|
|
exit(1); |
550 |
|
|
} |
551 |
|
|
msopts = 1; |
552 |
|
|
break; |
553 |
|
|
default: |
554 |
dpavlin |
10 |
fprintf(stderr, "Run %s -h for help on command " |
555 |
|
|
"line options.\n", progname); |
556 |
dpavlin |
2 |
exit(1); |
557 |
|
|
} |
558 |
|
|
} |
559 |
|
|
|
560 |
dpavlin |
12 |
if (type != NULL || subtype != NULL) { |
561 |
|
|
if (type == NULL) |
562 |
|
|
type = ""; |
563 |
dpavlin |
2 |
if (subtype == NULL) |
564 |
|
|
subtype = ""; |
565 |
|
|
res = machine_name_to_type(type, subtype, |
566 |
|
|
&m->machine_type, &m->machine_subtype, &m->arch); |
567 |
|
|
if (!res) |
568 |
|
|
exit(1); |
569 |
|
|
} |
570 |
|
|
|
571 |
|
|
argc -= optind; |
572 |
|
|
argv += optind; |
573 |
|
|
|
574 |
|
|
extra_argc = argc; |
575 |
|
|
extra_argv = argv; |
576 |
|
|
|
577 |
|
|
|
578 |
|
|
if (m->machine_type == MACHINE_NONE && msopts) { |
579 |
|
|
fprintf(stderr, "Machine specific options used directly on " |
580 |
|
|
"the command line, but no machine\nemulation specified?\n"); |
581 |
|
|
exit(1); |
582 |
|
|
} |
583 |
|
|
|
584 |
|
|
|
585 |
dpavlin |
12 |
/* -i and -r are pretty verbose: */ |
586 |
dpavlin |
2 |
|
587 |
|
|
if (m->instruction_trace && !verbose) { |
588 |
dpavlin |
4 |
fprintf(stderr, "Implicitly %sturning on -v, because" |
589 |
|
|
" of -i\n", quiet_mode? "turning off -q and " : ""); |
590 |
dpavlin |
2 |
verbose = 1; |
591 |
|
|
quiet_mode = 0; |
592 |
|
|
} |
593 |
|
|
|
594 |
|
|
if (m->register_dump && !verbose) { |
595 |
dpavlin |
4 |
fprintf(stderr, "Implicitly %sturning on -v, because" |
596 |
|
|
" of -r\n", quiet_mode? "turning off -q and " : ""); |
597 |
dpavlin |
2 |
verbose = 1; |
598 |
|
|
quiet_mode = 0; |
599 |
|
|
} |
600 |
|
|
|
601 |
dpavlin |
10 |
if ((m->instruction_trace || m->register_dump || m->show_trace_tree) |
602 |
|
|
&& m->bintrans_enable) { |
603 |
dpavlin |
20 |
if (m->arch == ARCH_MIPS) |
604 |
|
|
fprintf(stderr, "Implicitly turning off bintrans.\n"); |
605 |
dpavlin |
10 |
m->bintrans_enable = 0; |
606 |
|
|
} |
607 |
dpavlin |
2 |
|
608 |
dpavlin |
10 |
|
609 |
dpavlin |
2 |
/* |
610 |
|
|
* Usually, an executable filename must be supplied. |
611 |
|
|
* |
612 |
|
|
* However, it is possible to boot directly from a harddisk image |
613 |
dpavlin |
4 |
* file. If no kernel is supplied, but a diskimage is being used, |
614 |
|
|
* then try to boot from disk. |
615 |
dpavlin |
2 |
*/ |
616 |
|
|
if (extra_argc == 0) { |
617 |
|
|
if (using_switch_d) { |
618 |
|
|
/* Booting directly from a disk image... */ |
619 |
|
|
} else { |
620 |
|
|
usage(0); |
621 |
|
|
fprintf(stderr, "\nNo filename given. Aborting.\n"); |
622 |
|
|
exit(1); |
623 |
|
|
} |
624 |
|
|
} else if (m->boot_kernel_filename[0] == '\0') { |
625 |
|
|
/* |
626 |
|
|
* Default boot_kernel_filename is "", which can be overriden |
627 |
|
|
* by the -j command line option. If it is still "" here, |
628 |
|
|
* and we're not booting directly from a disk image, then |
629 |
|
|
* try to set it to the last part of the last file name |
630 |
|
|
* given on the command line. (Last part = the stuff after |
631 |
|
|
* the last slash.) |
632 |
|
|
*/ |
633 |
|
|
char *s = extra_argv[extra_argc - 1]; |
634 |
|
|
char *s2; |
635 |
|
|
|
636 |
|
|
s2 = strrchr(s, '/'); |
637 |
|
|
if (s2 == NULL) |
638 |
|
|
s2 = s; |
639 |
|
|
else |
640 |
|
|
s2 ++; |
641 |
|
|
|
642 |
|
|
m->boot_kernel_filename = strdup(s2); |
643 |
|
|
if (m->boot_kernel_filename == NULL) { |
644 |
|
|
fprintf(stderr, "out of memory\n"); |
645 |
|
|
exit(1); |
646 |
|
|
} |
647 |
|
|
} |
648 |
|
|
|
649 |
|
|
if (m->n_gfx_cards < 0 || m->n_gfx_cards > 3) { |
650 |
|
|
fprintf(stderr, "Bad number of gfx cards (-Z).\n"); |
651 |
|
|
exit(1); |
652 |
|
|
} |
653 |
|
|
|
654 |
dpavlin |
20 |
if (m->bintrans_enable && m->arch == ARCH_MIPS) { |
655 |
dpavlin |
2 |
m->speed_tricks = 0; |
656 |
|
|
/* TODO: Print a warning about this? */ |
657 |
|
|
} |
658 |
|
|
|
659 |
dpavlin |
12 |
if (m->n_breakpoints > 0 && |
660 |
|
|
m->bintrans_enable && m->arch == ARCH_MIPS) { |
661 |
|
|
fprintf(stderr, "Breakpoints and MIPS binary translation " |
662 |
dpavlin |
2 |
"don't work too well together right now.\n"); |
663 |
|
|
exit(1); |
664 |
|
|
} |
665 |
|
|
|
666 |
|
|
#ifndef BINTRANS |
667 |
|
|
if (m->bintrans_enable) { |
668 |
|
|
fprintf(stderr, "WARNING: %s was compiled without " |
669 |
|
|
"bintrans support. Ignoring -b.\n", progname); |
670 |
|
|
m->bintrans_enable = 0; |
671 |
|
|
} |
672 |
|
|
#endif |
673 |
|
|
|
674 |
|
|
#ifndef WITH_X11 |
675 |
|
|
if (m->use_x11) { |
676 |
|
|
fprintf(stderr, "WARNING: %s was compiled without " |
677 |
|
|
"X11 support. Ignoring -X.\n", progname); |
678 |
|
|
m->use_x11 = 0; |
679 |
|
|
} |
680 |
|
|
#endif |
681 |
|
|
|
682 |
|
|
if (!using_switch_Z && !m->use_x11) |
683 |
|
|
m->n_gfx_cards = 0; |
684 |
|
|
|
685 |
|
|
m->bintrans_enabled_from_start = m->bintrans_enable; |
686 |
|
|
|
687 |
|
|
return 0; |
688 |
|
|
} |
689 |
|
|
|
690 |
|
|
|
691 |
|
|
/* |
692 |
|
|
* main(): |
693 |
|
|
* |
694 |
|
|
* Two kinds of emulations are started from here: |
695 |
|
|
* |
696 |
|
|
* o) Simple emulations, using command line arguments, compatible with |
697 |
|
|
* earlier version of GXemul/mips64emul. |
698 |
|
|
* |
699 |
|
|
* o) Emulations set up by parsing special config files. (0 or more.) |
700 |
|
|
*/ |
701 |
|
|
int main(int argc, char *argv[]) |
702 |
|
|
{ |
703 |
|
|
struct emul **emuls; |
704 |
dpavlin |
4 |
char **diskimages = NULL; |
705 |
|
|
int n_diskimages = 0; |
706 |
dpavlin |
2 |
int n_emuls; |
707 |
|
|
int i; |
708 |
|
|
|
709 |
|
|
progname = argv[0]; |
710 |
|
|
|
711 |
|
|
console_init(); |
712 |
|
|
cpu_init(); |
713 |
|
|
device_init(); |
714 |
|
|
machine_init(); |
715 |
|
|
useremul_init(); |
716 |
|
|
|
717 |
|
|
emuls = malloc(sizeof(struct emul *)); |
718 |
|
|
if (emuls == NULL) { |
719 |
|
|
fprintf(stderr, "out of memory\n"); |
720 |
|
|
exit(1); |
721 |
|
|
} |
722 |
|
|
|
723 |
|
|
/* Allocate space for a simple emul setup: */ |
724 |
|
|
n_emuls = 1; |
725 |
|
|
emuls[0] = emul_new(NULL); |
726 |
|
|
if (emuls[0] == NULL) { |
727 |
|
|
fprintf(stderr, "out of memory\n"); |
728 |
|
|
exit(1); |
729 |
|
|
} |
730 |
|
|
|
731 |
dpavlin |
4 |
get_cmd_args(argc, argv, emuls[0], &diskimages, &n_diskimages); |
732 |
dpavlin |
2 |
|
733 |
|
|
if (!fully_deterministic) { |
734 |
|
|
/* TODO: More than just time(). Use gettimeofday(). */ |
735 |
|
|
srandom(time(NULL) ^ (getpid() << 12)); |
736 |
|
|
} else { |
737 |
|
|
/* Fully deterministic. -I must have been supplied. */ |
738 |
|
|
if (emuls[0]->machines[0]->automatic_clock_adjustment) { |
739 |
|
|
fatal("Cannot have -D without -I.\n"); |
740 |
|
|
exit(1); |
741 |
|
|
} |
742 |
|
|
} |
743 |
|
|
|
744 |
|
|
/* Print startup message: */ |
745 |
|
|
debug("GXemul"); |
746 |
|
|
#ifdef VERSION |
747 |
|
|
debug("-" VERSION); |
748 |
|
|
#endif |
749 |
|
|
debug(" Copyright (C) 2003-2005 Anders Gavare\n"); |
750 |
|
|
debug("Read the source code and/or documentation for " |
751 |
|
|
"other Copyright messages.\n\n"); |
752 |
|
|
|
753 |
|
|
if (emuls[0]->machines[0]->machine_type == MACHINE_NONE) |
754 |
|
|
n_emuls --; |
755 |
dpavlin |
4 |
else { |
756 |
|
|
for (i=0; i<n_diskimages; i++) |
757 |
|
|
diskimage_add(emuls[0]->machines[0], diskimages[i]); |
758 |
|
|
} |
759 |
dpavlin |
2 |
|
760 |
|
|
/* Simple initialization, from command line arguments: */ |
761 |
|
|
if (n_emuls > 0) { |
762 |
|
|
/* Make sure that there are no configuration files as well: */ |
763 |
|
|
for (i=1; i<argc; i++) |
764 |
|
|
if (argv[i][0] == '@') { |
765 |
|
|
fprintf(stderr, "You can either start one " |
766 |
|
|
"emulation with one machine directly from " |
767 |
|
|
"the command\nline, or start one or more " |
768 |
|
|
"emulations using configuration files." |
769 |
|
|
" Not both.\n"); |
770 |
|
|
exit(1); |
771 |
|
|
} |
772 |
|
|
|
773 |
|
|
/* Initialize one emul: */ |
774 |
|
|
emul_simple_init(emuls[0]); |
775 |
|
|
} |
776 |
|
|
|
777 |
|
|
/* Initialize emulations from config files: */ |
778 |
|
|
for (i=1; i<argc; i++) { |
779 |
|
|
if (argv[i][0] == '@') { |
780 |
|
|
char *s = argv[i] + 1; |
781 |
|
|
if (strlen(s) == 0 && i+1 < argc && |
782 |
|
|
argv[i+1][0] != '@') { |
783 |
|
|
i++; |
784 |
|
|
s = argv[i]; |
785 |
|
|
} |
786 |
|
|
n_emuls ++; |
787 |
|
|
emuls = realloc(emuls, sizeof(struct emul *) * n_emuls); |
788 |
|
|
if (emuls == NULL) { |
789 |
|
|
fprintf(stderr, "out of memory\n"); |
790 |
|
|
exit(1); |
791 |
|
|
} |
792 |
|
|
emuls[n_emuls - 1] = |
793 |
|
|
emul_create_from_configfile(s); |
794 |
|
|
|
795 |
|
|
/* Always allow slave xterms when using multiple |
796 |
|
|
emulations: */ |
797 |
|
|
console_allow_slaves(1); |
798 |
|
|
} |
799 |
|
|
} |
800 |
|
|
|
801 |
|
|
if (n_emuls == 0) { |
802 |
dpavlin |
6 |
fprintf(stderr, "No emulations defined. Maybe you forgot to " |
803 |
dpavlin |
12 |
"use -E xx and/or -e yy, to specify\nthe machine type." |
804 |
|
|
" For example:\n\n %s -e 3max -d disk.img\n\n" |
805 |
dpavlin |
6 |
"to boot an emulated DECstation 5000/200 with a disk " |
806 |
|
|
"image.\n", progname); |
807 |
dpavlin |
2 |
exit(1); |
808 |
|
|
} |
809 |
|
|
|
810 |
|
|
device_set_exit_on_error(0); |
811 |
dpavlin |
20 |
console_warn_if_slaves_are_needed(); |
812 |
dpavlin |
2 |
|
813 |
|
|
/* Run all emulations: */ |
814 |
|
|
emul_run(emuls, n_emuls); |
815 |
|
|
|
816 |
|
|
return 0; |
817 |
|
|
} |
818 |
|
|
|