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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 1.232 2005/04/18 21:40:58 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"); |
292 |
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"); |
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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"); |
304 |
printf(" i IDE\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"); |
309 |
printf(" 0-7 force a specific ID\n"); |
310 |
printf(" -I x emulate clock interrupts at x Hz (affects" |
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" rtc devices only, not\n"); |
312 |
printf(" actual runtime speed) (this disables automatic" |
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" clock adjustments)\n"); |
314 |
printf(" -i display each instruction as it is executed\n"); |
315 |
printf(" -J disable some speed tricks\n"); |
316 |
printf(" -j name set the name of the kernel, for example:\n"); |
317 |
printf(" -j netbsd for NetBSD/pmax\n"); |
318 |
printf(" -j bsd for OpenBSD/pmax\n"); |
319 |
printf(" -j vmunix for Ultrix/RISC\n"); |
320 |
printf(" -M m emulate m MBs of physical RAM\n"); |
321 |
printf(" -m nr run at most nr instructions (on any cpu)\n"); |
322 |
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" |
326 |
" 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' " |
332 |
"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"); |
335 |
printf(" -R use random bootstrap cpu, instead of nr 0\n"); |
336 |
printf(" -r register dumps before every instruction\n"); |
337 |
printf(" -S initialize emulated RAM to random bytes, " |
338 |
"instead of zeroes\n"); |
339 |
printf(" -T enter the single-step debugger on " |
340 |
"unimplemented memory accesses\n"); |
341 |
printf(" -t show function trace tree\n"); |
342 |
printf(" -U enable slow_serial_interrupts_hack_for_linux\n"); |
343 |
#ifdef WITH_X11 |
344 |
printf(" -X use X11\n"); |
345 |
#endif /* WITH_X11 */ |
346 |
printf(" -x open up new xterms for emulated serial ports " |
347 |
"(default is on when\n using configuration files, off" |
348 |
" otherwise)\n"); |
349 |
#ifdef WITH_X11 |
350 |
printf(" -Y n scale down framebuffer windows by n x n times\n"); |
351 |
#endif /* WITH_X11 */ |
352 |
printf(" -y x set max_random_cycles_per_chunk to x" |
353 |
" (experimental)\n"); |
354 |
printf(" -Z n set nr of graphics cards, for emulating a " |
355 |
"dual-head or tripple-head\n" |
356 |
" environment (only for DECstation emulation)\n"); |
357 |
printf(" -z disp add disp as an X11 display to use for " |
358 |
"framebuffers\n"); |
359 |
|
360 |
printf("\nUserland options:\n"); |
361 |
printf(" -u emul userland-only (syscall) emulation (use -H to" |
362 |
" get a list of\n available emulation modes)\n"); |
363 |
|
364 |
printf("\nGeneral options:\n"); |
365 |
printf(" -D guarantee fully deterministic behaviour\n"); |
366 |
printf(" -H display a list of possible CPU and " |
367 |
"machine types\n"); |
368 |
printf(" -h display this help message\n"); |
369 |
printf(" -K force the debugger to be entered at the end " |
370 |
"of a simulation\n"); |
371 |
printf(" -q quiet mode (don't print startup messages)\n"); |
372 |
printf(" -s show opcode usage statistics after simulation\n"); |
373 |
printf(" -V start up in the single-step debugger, paused\n"); |
374 |
printf(" -v verbose debug messages\n"); |
375 |
printf("\n"); |
376 |
printf("If you are selecting a machine type to emulate directly " |
377 |
"on the command line,\nthen you must specify one or more names" |
378 |
" of files that you wish to load into\n" |
379 |
"memory. Supported formats are: ELF a.out ecoff srec syms raw\n" |
380 |
"where syms is the text produced by running 'nm' (or 'nm -S') " |
381 |
"on a binary.\n" |
382 |
"To load a raw binary into memory, add \"address:\" in front " |
383 |
"of the filename,\n" |
384 |
"or \"address:skiplen:\" or \"address:skiplen:initialpc:\".\n" |
385 |
"Examples:\n" |
386 |
" 0xbfc00000:rom.bin for a raw ROM image\n" |
387 |
" 0xbfc00000:0x100:rom.bin for an image with " |
388 |
"0x100 bytes header\n" |
389 |
" 0xbfc00000:0x100:0xbfc00884:rom.bin " |
390 |
"start with pc=0xbfc00884\n"); |
391 |
} |
392 |
|
393 |
|
394 |
/* |
395 |
* get_cmd_args(): |
396 |
* |
397 |
* Reads command line arguments. |
398 |
*/ |
399 |
int get_cmd_args(int argc, char *argv[], struct emul *emul, |
400 |
char ***diskimagesp, int *n_diskimagesp) |
401 |
{ |
402 |
int ch, res, using_switch_d = 0, using_switch_Z = 0; |
403 |
char *type = NULL, *subtype = NULL; |
404 |
int n_cpus_set = 0; |
405 |
int msopts = 0; /* Machine-specific options used */ |
406 |
struct machine *m = emul_add_machine(emul, "default"); |
407 |
|
408 |
while ((ch = getopt(argc, argv, "BbC:Dd:E:e:HhI:iJj:KM:m:" |
409 |
"Nn:Oo:p:QqRrSsTtUu:VvW:XxY:y:Z:z:")) != -1) { |
410 |
switch (ch) { |
411 |
case 'B': |
412 |
m->bintrans_enable = 0; |
413 |
msopts = 1; |
414 |
break; |
415 |
case 'b': |
416 |
m->old_bintrans_enable = 1; |
417 |
msopts = 1; |
418 |
break; |
419 |
case 'C': |
420 |
m->cpu_name = strdup(optarg); |
421 |
msopts = 1; |
422 |
break; |
423 |
case 'D': |
424 |
fully_deterministic = 1; |
425 |
break; |
426 |
case 'd': |
427 |
/* diskimage_add() is called further down */ |
428 |
(*n_diskimagesp) ++; |
429 |
(*diskimagesp) = realloc(*diskimagesp, |
430 |
sizeof(char *) * (*n_diskimagesp)); |
431 |
if (*diskimagesp == NULL) { |
432 |
fprintf(stderr, "out of memory\n"); |
433 |
exit(1); |
434 |
} |
435 |
(*diskimagesp)[(*n_diskimagesp) - 1] = strdup(optarg); |
436 |
using_switch_d = 1; |
437 |
msopts = 1; |
438 |
break; |
439 |
case 'E': |
440 |
type = optarg; |
441 |
msopts = 1; |
442 |
break; |
443 |
case 'e': |
444 |
subtype = optarg; |
445 |
msopts = 1; |
446 |
break; |
447 |
case 'H': |
448 |
machine_list_available_types_and_cpus(); |
449 |
exit(1); |
450 |
case 'h': |
451 |
usage(1); |
452 |
exit(1); |
453 |
case 'I': |
454 |
m->emulated_hz = atoi(optarg); |
455 |
m->automatic_clock_adjustment = 0; |
456 |
msopts = 1; |
457 |
break; |
458 |
case 'i': |
459 |
m->instruction_trace = 1; |
460 |
msopts = 1; |
461 |
break; |
462 |
case 'J': |
463 |
m->speed_tricks = 0; |
464 |
msopts = 1; |
465 |
break; |
466 |
case 'j': |
467 |
m->boot_kernel_filename = strdup(optarg); |
468 |
if (m->boot_kernel_filename == NULL) { |
469 |
fprintf(stderr, "out of memory\n"); |
470 |
exit(1); |
471 |
} |
472 |
msopts = 1; |
473 |
break; |
474 |
case 'K': |
475 |
force_debugger_at_exit = 1; |
476 |
break; |
477 |
case 'M': |
478 |
m->physical_ram_in_mb = atoi(optarg); |
479 |
msopts = 1; |
480 |
break; |
481 |
case 'm': |
482 |
m->max_instructions = atoi(optarg); |
483 |
msopts = 1; |
484 |
break; |
485 |
case 'N': |
486 |
m->show_nr_of_instructions = 1; |
487 |
msopts = 1; |
488 |
break; |
489 |
case 'n': |
490 |
m->ncpus = atoi(optarg); |
491 |
n_cpus_set = 1; |
492 |
msopts = 1; |
493 |
break; |
494 |
case 'O': |
495 |
m->force_netboot = 1; |
496 |
msopts = 1; |
497 |
break; |
498 |
case 'o': |
499 |
m->boot_string_argument = strdup(optarg); |
500 |
if (m->boot_string_argument == NULL) { |
501 |
fprintf(stderr, "out of memory\n"); |
502 |
exit(1); |
503 |
} |
504 |
msopts = 1; |
505 |
break; |
506 |
case 'p': |
507 |
if (m->n_breakpoints >= MAX_BREAKPOINTS) { |
508 |
fprintf(stderr, "too many breakpoints\n"); |
509 |
exit(1); |
510 |
} |
511 |
m->breakpoint_string[m->n_breakpoints] = strdup(optarg); |
512 |
if (m->breakpoint_string[m->n_breakpoints] == NULL) { |
513 |
fprintf(stderr, "out of memory\n"); |
514 |
exit(1); |
515 |
} |
516 |
m->breakpoint_flags[m->n_breakpoints] = 0; |
517 |
m->n_breakpoints ++; |
518 |
msopts = 1; |
519 |
break; |
520 |
case 'Q': |
521 |
m->prom_emulation = 0; |
522 |
msopts = 1; |
523 |
break; |
524 |
case 'q': |
525 |
quiet_mode = 1; |
526 |
break; |
527 |
case 'R': |
528 |
m->use_random_bootstrap_cpu = 1; |
529 |
msopts = 1; |
530 |
break; |
531 |
case 'r': |
532 |
m->register_dump = 1; |
533 |
msopts = 1; |
534 |
break; |
535 |
case 'S': |
536 |
m->random_mem_contents = 1; |
537 |
msopts = 1; |
538 |
break; |
539 |
case 's': |
540 |
show_opcode_statistics = 1; |
541 |
break; |
542 |
case 'T': |
543 |
m->single_step_on_bad_addr = 1; |
544 |
msopts = 1; |
545 |
break; |
546 |
case 't': |
547 |
m->show_trace_tree = 1; |
548 |
msopts = 1; |
549 |
break; |
550 |
case 'U': |
551 |
m->slow_serial_interrupts_hack_for_linux = 1; |
552 |
msopts = 1; |
553 |
break; |
554 |
case 'u': |
555 |
m->userland_emul = strdup(optarg); |
556 |
if (m->userland_emul == NULL) { |
557 |
fprintf(stderr, "out of memory\n"); |
558 |
exit(1); |
559 |
} |
560 |
m->machine_type = MACHINE_USERLAND; |
561 |
msopts = 1; |
562 |
break; |
563 |
case 'V': |
564 |
single_step = 1; |
565 |
break; |
566 |
case 'v': |
567 |
verbose ++; |
568 |
break; |
569 |
case 'W': |
570 |
internal_w(optarg); |
571 |
exit(0); |
572 |
case 'X': |
573 |
m->use_x11 = 1; |
574 |
msopts = 1; |
575 |
break; |
576 |
case 'x': |
577 |
console_allow_slaves(1); |
578 |
break; |
579 |
case 'Y': |
580 |
m->x11_scaledown = atoi(optarg); |
581 |
if (m->x11_scaledown < 1) { |
582 |
fprintf(stderr, "Invalid scaledown value.\n"); |
583 |
exit(1); |
584 |
} |
585 |
msopts = 1; |
586 |
break; |
587 |
case 'y': |
588 |
m->max_random_cycles_per_chunk = atoi(optarg); |
589 |
msopts = 1; |
590 |
break; |
591 |
case 'Z': |
592 |
m->n_gfx_cards = atoi(optarg); |
593 |
using_switch_Z = 1; |
594 |
msopts = 1; |
595 |
break; |
596 |
case 'z': |
597 |
m->x11_n_display_names ++; |
598 |
m->x11_display_names = realloc( |
599 |
m->x11_display_names, |
600 |
m->x11_n_display_names * sizeof(char *)); |
601 |
if (m->x11_display_names == NULL) { |
602 |
fprintf(stderr, "out of memory\n"); |
603 |
exit(1); |
604 |
} |
605 |
m->x11_display_names[m->x11_n_display_names-1] = |
606 |
strdup(optarg); |
607 |
if (m->x11_display_names |
608 |
[m->x11_n_display_names-1] == NULL) { |
609 |
fprintf(stderr, "out of memory\n"); |
610 |
exit(1); |
611 |
} |
612 |
msopts = 1; |
613 |
break; |
614 |
default: |
615 |
fprintf(stderr, "Invalid option.\n"); |
616 |
usage(0); |
617 |
exit(1); |
618 |
} |
619 |
} |
620 |
|
621 |
if (type != NULL) { |
622 |
if (subtype == NULL) |
623 |
subtype = ""; |
624 |
res = machine_name_to_type(type, subtype, |
625 |
&m->machine_type, &m->machine_subtype, &m->arch); |
626 |
if (!res) |
627 |
exit(1); |
628 |
} |
629 |
|
630 |
argc -= optind; |
631 |
argv += optind; |
632 |
|
633 |
extra_argc = argc; |
634 |
extra_argv = argv; |
635 |
|
636 |
|
637 |
if (!m->bintrans_enable && m->old_bintrans_enable) { |
638 |
fprintf(stderr, "You cannot both select old bintrans and" |
639 |
" disable bintrans at the same time.\n"); |
640 |
exit(1); |
641 |
} |
642 |
|
643 |
/* TODO: Remove this once there is a new bintrans system. */ |
644 |
if (m->bintrans_enable && !m->old_bintrans_enable) { |
645 |
m->bintrans_enable = 0; |
646 |
} |
647 |
|
648 |
if (m->machine_type == MACHINE_NONE && msopts) { |
649 |
fprintf(stderr, "Machine specific options used directly on " |
650 |
"the command line, but no machine\nemulation specified?\n"); |
651 |
exit(1); |
652 |
} |
653 |
|
654 |
|
655 |
/* -i, -r, -t are pretty verbose: */ |
656 |
|
657 |
if (m->instruction_trace && !verbose) { |
658 |
fprintf(stderr, "Implicitly %sturning on -v, because" |
659 |
" of -i\n", quiet_mode? "turning off -q and " : ""); |
660 |
verbose = 1; |
661 |
quiet_mode = 0; |
662 |
} |
663 |
|
664 |
if (m->register_dump && !verbose) { |
665 |
fprintf(stderr, "Implicitly %sturning on -v, because" |
666 |
" of -r\n", quiet_mode? "turning off -q and " : ""); |
667 |
verbose = 1; |
668 |
quiet_mode = 0; |
669 |
} |
670 |
|
671 |
if (m->show_trace_tree && !verbose) { |
672 |
fprintf(stderr, "Implicitly %sturning on -v, because" |
673 |
" of -t\n", quiet_mode? "turning off -q and " : ""); |
674 |
verbose = 1; |
675 |
quiet_mode = 0; |
676 |
} |
677 |
|
678 |
|
679 |
/* |
680 |
* Usually, an executable filename must be supplied. |
681 |
* |
682 |
* However, it is possible to boot directly from a harddisk image |
683 |
* file. If no kernel is supplied, but a diskimage is being used, |
684 |
* then try to boot from disk. |
685 |
*/ |
686 |
if (extra_argc == 0) { |
687 |
if (using_switch_d) { |
688 |
/* Booting directly from a disk image... */ |
689 |
} else { |
690 |
usage(0); |
691 |
fprintf(stderr, "\nNo filename given. Aborting.\n"); |
692 |
exit(1); |
693 |
} |
694 |
} else if (m->boot_kernel_filename[0] == '\0') { |
695 |
/* |
696 |
* Default boot_kernel_filename is "", which can be overriden |
697 |
* by the -j command line option. If it is still "" here, |
698 |
* and we're not booting directly from a disk image, then |
699 |
* try to set it to the last part of the last file name |
700 |
* given on the command line. (Last part = the stuff after |
701 |
* the last slash.) |
702 |
*/ |
703 |
char *s = extra_argv[extra_argc - 1]; |
704 |
char *s2; |
705 |
|
706 |
s2 = strrchr(s, '/'); |
707 |
if (s2 == NULL) |
708 |
s2 = s; |
709 |
else |
710 |
s2 ++; |
711 |
|
712 |
m->boot_kernel_filename = strdup(s2); |
713 |
if (m->boot_kernel_filename == NULL) { |
714 |
fprintf(stderr, "out of memory\n"); |
715 |
exit(1); |
716 |
} |
717 |
} |
718 |
|
719 |
if (m->n_gfx_cards < 0 || m->n_gfx_cards > 3) { |
720 |
fprintf(stderr, "Bad number of gfx cards (-Z).\n"); |
721 |
exit(1); |
722 |
} |
723 |
|
724 |
if (m->bintrans_enable) { |
725 |
m->speed_tricks = 0; |
726 |
/* TODO: Print a warning about this? */ |
727 |
} |
728 |
|
729 |
if (m->n_breakpoints > 0 && m->bintrans_enable) { |
730 |
fprintf(stderr, "Breakpoints and dynamic translation " |
731 |
"don't work too well together right now.\n"); |
732 |
exit(1); |
733 |
} |
734 |
|
735 |
#ifndef BINTRANS |
736 |
if (m->bintrans_enable) { |
737 |
fprintf(stderr, "WARNING: %s was compiled without " |
738 |
"bintrans support. Ignoring -b.\n", progname); |
739 |
m->bintrans_enable = 0; |
740 |
} |
741 |
#endif |
742 |
|
743 |
#ifndef WITH_X11 |
744 |
if (m->use_x11) { |
745 |
fprintf(stderr, "WARNING: %s was compiled without " |
746 |
"X11 support. Ignoring -X.\n", progname); |
747 |
m->use_x11 = 0; |
748 |
} |
749 |
#endif |
750 |
|
751 |
if (!using_switch_Z && !m->use_x11) |
752 |
m->n_gfx_cards = 0; |
753 |
|
754 |
m->bintrans_enabled_from_start = m->bintrans_enable; |
755 |
|
756 |
return 0; |
757 |
} |
758 |
|
759 |
|
760 |
/* |
761 |
* main(): |
762 |
* |
763 |
* Two kinds of emulations are started from here: |
764 |
* |
765 |
* o) Simple emulations, using command line arguments, compatible with |
766 |
* earlier version of GXemul/mips64emul. |
767 |
* |
768 |
* o) Emulations set up by parsing special config files. (0 or more.) |
769 |
*/ |
770 |
int main(int argc, char *argv[]) |
771 |
{ |
772 |
struct emul **emuls; |
773 |
char **diskimages = NULL; |
774 |
int n_diskimages = 0; |
775 |
int n_emuls; |
776 |
int i; |
777 |
|
778 |
progname = argv[0]; |
779 |
|
780 |
console_init(); |
781 |
cpu_init(); |
782 |
device_init(); |
783 |
machine_init(); |
784 |
useremul_init(); |
785 |
|
786 |
emuls = malloc(sizeof(struct emul *)); |
787 |
if (emuls == NULL) { |
788 |
fprintf(stderr, "out of memory\n"); |
789 |
exit(1); |
790 |
} |
791 |
|
792 |
/* Allocate space for a simple emul setup: */ |
793 |
n_emuls = 1; |
794 |
emuls[0] = emul_new(NULL); |
795 |
if (emuls[0] == NULL) { |
796 |
fprintf(stderr, "out of memory\n"); |
797 |
exit(1); |
798 |
} |
799 |
|
800 |
get_cmd_args(argc, argv, emuls[0], &diskimages, &n_diskimages); |
801 |
|
802 |
if (!fully_deterministic) { |
803 |
/* TODO: More than just time(). Use gettimeofday(). */ |
804 |
srandom(time(NULL) ^ (getpid() << 12)); |
805 |
} else { |
806 |
/* Fully deterministic. -I must have been supplied. */ |
807 |
if (emuls[0]->machines[0]->automatic_clock_adjustment) { |
808 |
fatal("Cannot have -D without -I.\n"); |
809 |
exit(1); |
810 |
} |
811 |
} |
812 |
|
813 |
/* Print startup message: */ |
814 |
debug("GXemul"); |
815 |
#ifdef VERSION |
816 |
debug("-" VERSION); |
817 |
#endif |
818 |
debug(" Copyright (C) 2003-2005 Anders Gavare\n"); |
819 |
debug("Read the source code and/or documentation for " |
820 |
"other Copyright messages.\n\n"); |
821 |
|
822 |
if (emuls[0]->machines[0]->machine_type == MACHINE_NONE) |
823 |
n_emuls --; |
824 |
else { |
825 |
for (i=0; i<n_diskimages; i++) |
826 |
diskimage_add(emuls[0]->machines[0], diskimages[i]); |
827 |
} |
828 |
|
829 |
/* Simple initialization, from command line arguments: */ |
830 |
if (n_emuls > 0) { |
831 |
/* Make sure that there are no configuration files as well: */ |
832 |
for (i=1; i<argc; i++) |
833 |
if (argv[i][0] == '@') { |
834 |
fprintf(stderr, "You can either start one " |
835 |
"emulation with one machine directly from " |
836 |
"the command\nline, or start one or more " |
837 |
"emulations using configuration files." |
838 |
" Not both.\n"); |
839 |
exit(1); |
840 |
} |
841 |
|
842 |
/* Initialize one emul: */ |
843 |
emul_simple_init(emuls[0]); |
844 |
} |
845 |
|
846 |
/* Initialize emulations from config files: */ |
847 |
for (i=1; i<argc; i++) { |
848 |
if (argv[i][0] == '@') { |
849 |
char *s = argv[i] + 1; |
850 |
if (strlen(s) == 0 && i+1 < argc && |
851 |
argv[i+1][0] != '@') { |
852 |
i++; |
853 |
s = argv[i]; |
854 |
} |
855 |
n_emuls ++; |
856 |
emuls = realloc(emuls, sizeof(struct emul *) * n_emuls); |
857 |
if (emuls == NULL) { |
858 |
fprintf(stderr, "out of memory\n"); |
859 |
exit(1); |
860 |
} |
861 |
emuls[n_emuls - 1] = |
862 |
emul_create_from_configfile(s); |
863 |
|
864 |
/* Always allow slave xterms when using multiple |
865 |
emulations: */ |
866 |
console_allow_slaves(1); |
867 |
} |
868 |
} |
869 |
|
870 |
if (n_emuls == 0) { |
871 |
fprintf(stderr, "No emulations defined.\n"); |
872 |
exit(1); |
873 |
} |
874 |
|
875 |
device_set_exit_on_error(0); |
876 |
|
877 |
/* Run all emulations: */ |
878 |
emul_run(emuls, n_emuls); |
879 |
|
880 |
return 0; |
881 |
} |
882 |
|