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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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* $Id: main.c,v 1.228 2005/04/07 15:43:17 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 "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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|
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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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extern int show_opcode_statistics; |
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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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int extra_argc; |
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char **extra_argv; |
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char *progname; |
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|
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int fully_deterministic = 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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* mystrtoull(): |
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* |
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* This function is used on OSes that don't have strtoull() in libc. |
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*/ |
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unsigned long long mystrtoull(const char *s, char **endp, int base) |
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{ |
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unsigned long long res = 0; |
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int minus_sign = 0; |
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|
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if (s == NULL) |
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return 0; |
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|
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/* TODO: Implement endp? */ |
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if (endp != NULL) { |
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fprintf(stderr, "mystrtoull(): endp isn't implemented\n"); |
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exit(1); |
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} |
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|
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if (s[0] == '-') { |
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minus_sign = 1; |
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s++; |
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} |
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|
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/* Guess base: */ |
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if (base == 0) { |
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if (s[0] == '0') { |
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/* Just "0"? :-) */ |
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if (!s[1]) |
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return 0; |
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if (s[1] == 'x' || s[1] == 'X') { |
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base = 16; |
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s += 2; |
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} else { |
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base = 8; |
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s ++; |
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} |
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} else if (s[0] >= '1' && s[0] <= '9') |
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base = 10; |
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} |
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|
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while (s[0]) { |
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int c = s[0]; |
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if (c >= '0' && c <= '9') |
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c -= '0'; |
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else if (c >= 'a' && c <= 'f') |
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c = c - 'a' + 10; |
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else if (c >= 'A' && c <= 'F') |
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c = c - 'A' + 10; |
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else |
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break; |
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switch (base) { |
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case 8: res = (res << 3) | c; |
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break; |
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case 16:res = (res << 4) | c; |
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break; |
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default:res = (res * base) + c; |
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} |
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s++; |
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} |
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|
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if (minus_sign) |
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res = (uint64_t) -(int64_t)res; |
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return res; |
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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) 2003-2005 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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|
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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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printf(" or %s [userland, other, and general options] file " |
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"[args ...]\n", progname); |
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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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#ifdef BINTRANS |
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printf(" -B disable dynamic binary translation completely\n"); |
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printf(" -b use the OLD binary translation subsystem\n"); |
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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:\"" |
297 |
" as a prefix\n"); |
298 |
printf(" where xxx is one or more of the following:\n"); |
299 |
printf(" b specifies that this is the boot" |
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" device\n"); |
301 |
printf(" c CD-ROM (instead of normal SCSI DISK)\n"); |
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printf(" d SCSI DISK (this is the default)\n"); |
303 |
printf(" i IDE (instead of SCSI)\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(" t SCSI tape\n"); |
307 |
printf(" 0-7 force a specific SCSI ID number\n"); |
308 |
printf(" -I x emulate clock interrupts at x Hz (affects" |
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" rtc devices only, not\n"); |
310 |
printf(" actual runtime speed) (this disables automatic" |
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" clock adjustments)\n"); |
312 |
printf(" -i display each instruction as it is executed\n"); |
313 |
printf(" -J disable some speed tricks\n"); |
314 |
printf(" -j name set the name of the kernel, for example:\n"); |
315 |
printf(" -j netbsd for NetBSD/pmax\n"); |
316 |
printf(" -j bsd for OpenBSD/pmax\n"); |
317 |
printf(" -j vmunix for Ultrix/RISC\n"); |
318 |
printf(" -M m emulate m MBs of physical RAM\n"); |
319 |
printf(" -m nr run at most nr instructions (on any cpu)\n"); |
320 |
printf(" -N display nr of instructions/second average, at" |
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" regular intervals\n"); |
322 |
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" |
324 |
" 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"); |
328 |
printf(" Default arg for DEC is '-a', for ARC '-aN'.\n"); |
329 |
printf(" -p pc add a breakpoint (remember to use the '0x' " |
330 |
"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"); |
337 |
printf(" -T enter the single-step debugger on " |
338 |
"unimplemented memory accesses\n"); |
339 |
printf(" -t show function trace tree\n"); |
340 |
printf(" -U enable slow_serial_interrupts_hack_for_linux\n"); |
341 |
#ifdef WITH_X11 |
342 |
printf(" -X use X11\n"); |
343 |
#endif /* WITH_X11 */ |
344 |
printf(" -x open up new xterms for emulated serial ports " |
345 |
"(default is on when\n using configuration files, off" |
346 |
" otherwise)\n"); |
347 |
#ifdef WITH_X11 |
348 |
printf(" -Y n scale down framebuffer windows by n x n times\n"); |
349 |
#endif /* WITH_X11 */ |
350 |
printf(" -y x set max_random_cycles_per_chunk to x" |
351 |
" (experimental)\n"); |
352 |
printf(" -Z n set nr of graphics cards, for emulating a " |
353 |
"dual-head or tripple-head\n" |
354 |
" environment (only for DECstation emulation)\n"); |
355 |
printf(" -z disp add disp as an X11 display to use for " |
356 |
"framebuffers\n"); |
357 |
|
358 |
printf("\nUserland options:\n"); |
359 |
printf(" -u emul userland-only (syscall) emulation (use -H to" |
360 |
" get a list of\n available emulation modes)\n"); |
361 |
|
362 |
printf("\nGeneral options:\n"); |
363 |
printf(" -D guarantee fully deterministic behaviour\n"); |
364 |
printf(" -H display a list of possible CPU and " |
365 |
"machine types\n"); |
366 |
printf(" -h display this help message\n"); |
367 |
printf(" -K force the debugger to be entered at the end " |
368 |
"of a simulation\n"); |
369 |
printf(" -q quiet mode (don't print startup messages)\n"); |
370 |
printf(" -s show opcode usage statistics after simulation\n"); |
371 |
printf(" -V start up in the single-step debugger, paused\n"); |
372 |
printf(" -v verbose debug messages\n"); |
373 |
printf("\n"); |
374 |
printf("If you are selecting a machine type to emulate directly " |
375 |
"on the command line,\nthen you must specify one or more names" |
376 |
" of files that you wish to load into\n" |
377 |
"memory. Supported formats are: ELF a.out ecoff srec syms raw\n" |
378 |
"where syms is the text produced by running 'nm' (or 'nm -S') " |
379 |
"on a binary.\n" |
380 |
"To load a raw binary into memory, add \"address:\" in front " |
381 |
"of the filename,\n" |
382 |
"or \"address:skiplen:\" or \"address:skiplen:initialpc\".\n" |
383 |
"Examples:\n" |
384 |
" 0xbfc00000:rom.bin for a raw ROM image\n" |
385 |
" 0xbfc00000:0x100:rom.bin for an image with " |
386 |
"0x100 bytes header\n" |
387 |
" 0xbfc00000:0x100:0xbfc00884:rom.bin " |
388 |
"start with pc=0xbfc00884\n"); |
389 |
} |
390 |
|
391 |
|
392 |
/* |
393 |
* get_cmd_args(): |
394 |
* |
395 |
* Reads command line arguments. |
396 |
*/ |
397 |
int get_cmd_args(int argc, char *argv[], struct emul *emul) |
398 |
{ |
399 |
int ch, res, using_switch_d = 0, using_switch_Z = 0; |
400 |
char *type = NULL, *subtype = NULL; |
401 |
int n_cpus_set = 0; |
402 |
int msopts = 0; /* Machine-specific options used */ |
403 |
struct machine *m = emul_add_machine(emul, "default"); |
404 |
|
405 |
while ((ch = getopt(argc, argv, "BbC:Dd:E:e:HhI:iJj:KM:m:" |
406 |
"Nn:Oo:p:QqRrSsTtUu:VvW:XxY:y:Z:z:")) != -1) { |
407 |
switch (ch) { |
408 |
case 'B': |
409 |
m->bintrans_enable = 0; |
410 |
msopts = 1; |
411 |
break; |
412 |
case 'b': |
413 |
m->old_bintrans_enable = 1; |
414 |
msopts = 1; |
415 |
break; |
416 |
case 'C': |
417 |
m->cpu_name = strdup(optarg); |
418 |
msopts = 1; |
419 |
break; |
420 |
case 'D': |
421 |
fully_deterministic = 1; |
422 |
break; |
423 |
case 'd': |
424 |
diskimage_add(m, optarg); |
425 |
using_switch_d = 1; |
426 |
msopts = 1; |
427 |
break; |
428 |
case 'E': |
429 |
type = optarg; |
430 |
msopts = 1; |
431 |
break; |
432 |
case 'e': |
433 |
subtype = optarg; |
434 |
msopts = 1; |
435 |
break; |
436 |
case 'H': |
437 |
machine_list_available_types_and_cpus(); |
438 |
exit(1); |
439 |
case 'h': |
440 |
usage(1); |
441 |
exit(1); |
442 |
case 'I': |
443 |
m->emulated_hz = atoi(optarg); |
444 |
m->automatic_clock_adjustment = 0; |
445 |
msopts = 1; |
446 |
break; |
447 |
case 'i': |
448 |
m->instruction_trace = 1; |
449 |
msopts = 1; |
450 |
break; |
451 |
case 'J': |
452 |
m->speed_tricks = 0; |
453 |
msopts = 1; |
454 |
break; |
455 |
case 'j': |
456 |
m->boot_kernel_filename = strdup(optarg); |
457 |
if (m->boot_kernel_filename == NULL) { |
458 |
fprintf(stderr, "out of memory\n"); |
459 |
exit(1); |
460 |
} |
461 |
msopts = 1; |
462 |
break; |
463 |
case 'K': |
464 |
force_debugger_at_exit = 1; |
465 |
break; |
466 |
case 'M': |
467 |
m->physical_ram_in_mb = atoi(optarg); |
468 |
msopts = 1; |
469 |
break; |
470 |
case 'm': |
471 |
m->max_instructions = atoi(optarg); |
472 |
msopts = 1; |
473 |
break; |
474 |
case 'N': |
475 |
m->show_nr_of_instructions = 1; |
476 |
msopts = 1; |
477 |
break; |
478 |
case 'n': |
479 |
m->ncpus = atoi(optarg); |
480 |
n_cpus_set = 1; |
481 |
msopts = 1; |
482 |
break; |
483 |
case 'O': |
484 |
m->force_netboot = 1; |
485 |
msopts = 1; |
486 |
break; |
487 |
case 'o': |
488 |
m->boot_string_argument = strdup(optarg); |
489 |
if (m->boot_string_argument == NULL) { |
490 |
fprintf(stderr, "out of memory\n"); |
491 |
exit(1); |
492 |
} |
493 |
msopts = 1; |
494 |
break; |
495 |
case 'p': |
496 |
if (m->n_breakpoints >= MAX_BREAKPOINTS) { |
497 |
fprintf(stderr, "too many breakpoints\n"); |
498 |
exit(1); |
499 |
} |
500 |
m->breakpoint_string[m->n_breakpoints] = strdup(optarg); |
501 |
if (m->breakpoint_string[m->n_breakpoints] == NULL) { |
502 |
fprintf(stderr, "out of memory\n"); |
503 |
exit(1); |
504 |
} |
505 |
m->breakpoint_flags[m->n_breakpoints] = 0; |
506 |
m->n_breakpoints ++; |
507 |
msopts = 1; |
508 |
break; |
509 |
case 'Q': |
510 |
m->prom_emulation = 0; |
511 |
msopts = 1; |
512 |
break; |
513 |
case 'q': |
514 |
quiet_mode = 1; |
515 |
break; |
516 |
case 'R': |
517 |
m->use_random_bootstrap_cpu = 1; |
518 |
msopts = 1; |
519 |
break; |
520 |
case 'r': |
521 |
m->register_dump = 1; |
522 |
msopts = 1; |
523 |
break; |
524 |
case 'S': |
525 |
m->random_mem_contents = 1; |
526 |
msopts = 1; |
527 |
break; |
528 |
case 's': |
529 |
show_opcode_statistics = 1; |
530 |
break; |
531 |
case 'T': |
532 |
m->single_step_on_bad_addr = 1; |
533 |
msopts = 1; |
534 |
break; |
535 |
case 't': |
536 |
m->show_trace_tree = 1; |
537 |
msopts = 1; |
538 |
break; |
539 |
case 'U': |
540 |
m->slow_serial_interrupts_hack_for_linux = 1; |
541 |
msopts = 1; |
542 |
break; |
543 |
case 'u': |
544 |
m->userland_emul = strdup(optarg); |
545 |
if (m->userland_emul == NULL) { |
546 |
fprintf(stderr, "out of memory\n"); |
547 |
exit(1); |
548 |
} |
549 |
m->machine_type = MACHINE_USERLAND; |
550 |
msopts = 1; |
551 |
break; |
552 |
case 'V': |
553 |
single_step = 1; |
554 |
break; |
555 |
case 'v': |
556 |
verbose ++; |
557 |
break; |
558 |
case 'W': |
559 |
internal_w(optarg); |
560 |
exit(0); |
561 |
case 'X': |
562 |
m->use_x11 = 1; |
563 |
msopts = 1; |
564 |
break; |
565 |
case 'x': |
566 |
console_allow_slaves(1); |
567 |
break; |
568 |
case 'Y': |
569 |
m->x11_scaledown = atoi(optarg); |
570 |
msopts = 1; |
571 |
break; |
572 |
case 'y': |
573 |
m->max_random_cycles_per_chunk = atoi(optarg); |
574 |
msopts = 1; |
575 |
break; |
576 |
case 'Z': |
577 |
m->n_gfx_cards = atoi(optarg); |
578 |
using_switch_Z = 1; |
579 |
msopts = 1; |
580 |
break; |
581 |
case 'z': |
582 |
m->x11_n_display_names ++; |
583 |
m->x11_display_names = realloc( |
584 |
m->x11_display_names, |
585 |
m->x11_n_display_names * sizeof(char *)); |
586 |
if (m->x11_display_names == NULL) { |
587 |
fprintf(stderr, "out of memory\n"); |
588 |
exit(1); |
589 |
} |
590 |
m->x11_display_names[m->x11_n_display_names-1] = |
591 |
strdup(optarg); |
592 |
if (m->x11_display_names |
593 |
[m->x11_n_display_names-1] == NULL) { |
594 |
fprintf(stderr, "out of memory\n"); |
595 |
exit(1); |
596 |
} |
597 |
msopts = 1; |
598 |
break; |
599 |
default: |
600 |
fprintf(stderr, "Invalid option.\n"); |
601 |
usage(0); |
602 |
exit(1); |
603 |
} |
604 |
} |
605 |
|
606 |
if (type != NULL) { |
607 |
if (subtype == NULL) |
608 |
subtype = ""; |
609 |
res = machine_name_to_type(type, subtype, |
610 |
&m->machine_type, &m->machine_subtype, &m->arch); |
611 |
if (!res) |
612 |
exit(1); |
613 |
} |
614 |
|
615 |
argc -= optind; |
616 |
argv += optind; |
617 |
|
618 |
extra_argc = argc; |
619 |
extra_argv = argv; |
620 |
|
621 |
|
622 |
if (!m->bintrans_enable && m->old_bintrans_enable) { |
623 |
fprintf(stderr, "You cannot both select old bintrans and" |
624 |
" disable bintrans at the same time.\n"); |
625 |
exit(1); |
626 |
} |
627 |
|
628 |
/* TODO: Remove this once there is a new bintrans system. */ |
629 |
if (m->bintrans_enable && !m->old_bintrans_enable) { |
630 |
m->bintrans_enable = 0; |
631 |
} |
632 |
|
633 |
if (m->machine_type == MACHINE_NONE && msopts) { |
634 |
fprintf(stderr, "Machine specific options used directly on " |
635 |
"the command line, but no machine\nemulation specified?\n"); |
636 |
exit(1); |
637 |
} |
638 |
|
639 |
|
640 |
/* -i, -r, -t are pretty verbose: */ |
641 |
|
642 |
if (m->instruction_trace && !verbose) { |
643 |
fprintf(stderr, "Implicitly turning of -q and turning on -v, " |
644 |
"because of -i\n"); |
645 |
verbose = 1; |
646 |
quiet_mode = 0; |
647 |
} |
648 |
|
649 |
if (m->register_dump && !verbose) { |
650 |
fprintf(stderr, "Implicitly turning of -q and turning on -v, " |
651 |
"because of -r\n"); |
652 |
verbose = 1; |
653 |
quiet_mode = 0; |
654 |
} |
655 |
|
656 |
if (m->show_trace_tree && !verbose) { |
657 |
fprintf(stderr, "Implicitly turning of -q and turning on -v, " |
658 |
"because of -t\n"); |
659 |
verbose = 1; |
660 |
quiet_mode = 0; |
661 |
} |
662 |
|
663 |
|
664 |
/* |
665 |
* Usually, an executable filename must be supplied. |
666 |
* |
667 |
* However, it is possible to boot directly from a harddisk image |
668 |
* file. If no kernel is supplied, and the emulation mode is set to |
669 |
* DECstation emulation, and there is a diskimage, then try to boot |
670 |
* from that. |
671 |
*/ |
672 |
if (extra_argc == 0) { |
673 |
if (using_switch_d) { |
674 |
/* Booting directly from a disk image... */ |
675 |
} else { |
676 |
usage(0); |
677 |
fprintf(stderr, "\nNo filename given. Aborting.\n"); |
678 |
exit(1); |
679 |
} |
680 |
} else if (m->boot_kernel_filename[0] == '\0') { |
681 |
/* |
682 |
* Default boot_kernel_filename is "", which can be overriden |
683 |
* by the -j command line option. If it is still "" here, |
684 |
* and we're not booting directly from a disk image, then |
685 |
* try to set it to the last part of the last file name |
686 |
* given on the command line. (Last part = the stuff after |
687 |
* the last slash.) |
688 |
*/ |
689 |
char *s = extra_argv[extra_argc - 1]; |
690 |
char *s2; |
691 |
|
692 |
s2 = strrchr(s, '/'); |
693 |
if (s2 == NULL) |
694 |
s2 = s; |
695 |
else |
696 |
s2 ++; |
697 |
|
698 |
m->boot_kernel_filename = strdup(s2); |
699 |
if (m->boot_kernel_filename == NULL) { |
700 |
fprintf(stderr, "out of memory\n"); |
701 |
exit(1); |
702 |
} |
703 |
} |
704 |
|
705 |
if (m->n_gfx_cards < 0 || m->n_gfx_cards > 3) { |
706 |
fprintf(stderr, "Bad number of gfx cards (-Z).\n"); |
707 |
exit(1); |
708 |
} |
709 |
|
710 |
if (m->bintrans_enable) { |
711 |
m->speed_tricks = 0; |
712 |
/* TODO: Print a warning about this? */ |
713 |
} |
714 |
|
715 |
if (m->n_breakpoints > 0 && m->bintrans_enable) { |
716 |
fprintf(stderr, "Breakpoints and dynamic translation " |
717 |
"don't work too well together right now.\n"); |
718 |
exit(1); |
719 |
} |
720 |
|
721 |
#ifndef BINTRANS |
722 |
if (m->bintrans_enable) { |
723 |
fprintf(stderr, "WARNING: %s was compiled without " |
724 |
"bintrans support. Ignoring -b.\n", progname); |
725 |
m->bintrans_enable = 0; |
726 |
} |
727 |
#endif |
728 |
|
729 |
#ifndef WITH_X11 |
730 |
if (m->use_x11) { |
731 |
fprintf(stderr, "WARNING: %s was compiled without " |
732 |
"X11 support. Ignoring -X.\n", progname); |
733 |
m->use_x11 = 0; |
734 |
} |
735 |
#endif |
736 |
|
737 |
if (!using_switch_Z && !m->use_x11) |
738 |
m->n_gfx_cards = 0; |
739 |
|
740 |
m->bintrans_enabled_from_start = m->bintrans_enable; |
741 |
|
742 |
return 0; |
743 |
} |
744 |
|
745 |
|
746 |
/* |
747 |
* main(): |
748 |
* |
749 |
* Two kinds of emulations are started from here: |
750 |
* |
751 |
* o) Simple emulations, using command line arguments, compatible with |
752 |
* earlier version of GXemul/mips64emul. |
753 |
* |
754 |
* o) Emulations set up by parsing special config files. (0 or more.) |
755 |
*/ |
756 |
int main(int argc, char *argv[]) |
757 |
{ |
758 |
struct emul **emuls; |
759 |
int n_emuls; |
760 |
int i; |
761 |
|
762 |
progname = argv[0]; |
763 |
|
764 |
console_init(); |
765 |
cpu_init(); |
766 |
device_init(); |
767 |
machine_init(); |
768 |
useremul_init(); |
769 |
|
770 |
emuls = malloc(sizeof(struct emul *)); |
771 |
if (emuls == NULL) { |
772 |
fprintf(stderr, "out of memory\n"); |
773 |
exit(1); |
774 |
} |
775 |
|
776 |
/* Allocate space for a simple emul setup: */ |
777 |
n_emuls = 1; |
778 |
emuls[0] = emul_new(NULL); |
779 |
if (emuls[0] == NULL) { |
780 |
fprintf(stderr, "out of memory\n"); |
781 |
exit(1); |
782 |
} |
783 |
|
784 |
get_cmd_args(argc, argv, emuls[0]); |
785 |
|
786 |
if (!fully_deterministic) { |
787 |
/* TODO: More than just time(). Use gettimeofday(). */ |
788 |
srandom(time(NULL) ^ (getpid() << 12)); |
789 |
} else { |
790 |
/* Fully deterministic. -I must have been supplied. */ |
791 |
if (emuls[0]->machines[0]->automatic_clock_adjustment) { |
792 |
fatal("Cannot have -D without -I.\n"); |
793 |
exit(1); |
794 |
} |
795 |
} |
796 |
|
797 |
/* Print startup message: */ |
798 |
debug("GXemul"); |
799 |
#ifdef VERSION |
800 |
debug("-" VERSION); |
801 |
#endif |
802 |
debug(" Copyright (C) 2003-2005 Anders Gavare\n"); |
803 |
debug("Read the source code and/or documentation for " |
804 |
"other Copyright messages.\n\n"); |
805 |
|
806 |
if (emuls[0]->machines[0]->machine_type == MACHINE_NONE) |
807 |
n_emuls --; |
808 |
|
809 |
/* Simple initialization, from command line arguments: */ |
810 |
if (n_emuls > 0) { |
811 |
/* Make sure that there are no configuration files as well: */ |
812 |
for (i=1; i<argc; i++) |
813 |
if (argv[i][0] == '@') { |
814 |
fprintf(stderr, "You can either start one " |
815 |
"emulation with one machine directly from " |
816 |
"the command\nline, or start one or more " |
817 |
"emulations using configuration files." |
818 |
" Not both.\n"); |
819 |
exit(1); |
820 |
} |
821 |
|
822 |
/* Initialize one emul: */ |
823 |
emul_simple_init(emuls[0]); |
824 |
} |
825 |
|
826 |
/* Initialize emulations from config files: */ |
827 |
for (i=1; i<argc; i++) { |
828 |
if (argv[i][0] == '@') { |
829 |
char *s = argv[i] + 1; |
830 |
if (strlen(s) == 0 && i+1 < argc && |
831 |
argv[i+1][0] != '@') { |
832 |
i++; |
833 |
s = argv[i]; |
834 |
} |
835 |
n_emuls ++; |
836 |
emuls = realloc(emuls, sizeof(struct emul *) * n_emuls); |
837 |
if (emuls == NULL) { |
838 |
fprintf(stderr, "out of memory\n"); |
839 |
exit(1); |
840 |
} |
841 |
emuls[n_emuls - 1] = |
842 |
emul_create_from_configfile(s); |
843 |
|
844 |
/* Always allow slave xterms when using multiple |
845 |
emulations: */ |
846 |
console_allow_slaves(1); |
847 |
} |
848 |
} |
849 |
|
850 |
if (n_emuls == 0) { |
851 |
fprintf(stderr, "No emulations defined.\n"); |
852 |
exit(1); |
853 |
} |
854 |
|
855 |
device_set_exit_on_error(0); |
856 |
|
857 |
/* Run all emulations: */ |
858 |
emul_run(emuls, n_emuls); |
859 |
|
860 |
return 0; |
861 |
} |
862 |
|