1275 lines
42 KiB
C++
1275 lines
42 KiB
C++
/////////////////////////////////////////////////////////////////////////
|
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// $Id: main.cc,v 1.394 2009-03-13 18:48:08 sshwarts Exp $
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/////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2002 MandrakeSoft S.A.
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//
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// MandrakeSoft S.A.
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// 43, rue d'Aboukir
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// 75002 Paris - France
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// http://www.linux-mandrake.com/
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// http://www.mandrakesoft.com/
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
|
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// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#include "bochs.h"
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#include "gui/textconfig.h"
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#include "cpu/cpu.h"
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#include "iodev/iodev.h"
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#ifdef HAVE_LOCALE_H
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#include <locale.h>
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#endif
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#if BX_WITH_SDL
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// since SDL redefines main() to SDL_main(), we must include SDL.h so that the
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// C language prototype is found. Otherwise SDL_main() will get its name
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// mangled and not match what the SDL library is expecting.
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#include <SDL.h>
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|
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#if defined(macintosh)
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// Work around a bug in SDL 1.2.4 on MacOS X, which redefines getenv to
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// SDL_getenv, but then neglects to provide SDL_getenv. It happens
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// because we are defining -Dmacintosh.
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#undef getenv
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#endif
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#endif
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#if BX_WITH_CARBON
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#define Float32 KLUDGE_Float32
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#define Float64 KLUDGE_Float64
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#include <Carbon/Carbon.h>
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#undef Float32
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#undef Float64
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#endif
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|
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extern "C" {
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#include <signal.h>
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}
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#if defined(__MINGW32__) || defined(_MSC_VER)
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void alarm(int);
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#endif
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#if BX_GUI_SIGHANDLER
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bx_bool bx_gui_sighandler = 0;
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#endif
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#if BX_PROVIDE_DEVICE_MODELS==1
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// some prototypes from iodev/
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// I want to stay away from including iodev/iodev.h here
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Bit32u bx_unmapped_io_read_handler(Bit32u address, unsigned io_len);
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void bx_unmapped_io_write_handler(Bit32u address, Bit32u value,
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unsigned io_len);
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#endif
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void bx_init_hardware(void);
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void bx_init_options(void);
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void bx_init_bx_dbg(void);
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static const char *divider = "========================================================================";
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static logfunctions thePluginLog;
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logfunctions *pluginlog = &thePluginLog;
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bx_startup_flags_t bx_startup_flags;
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bx_bool bx_user_quit;
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Bit8u bx_cpu_count;
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/* typedefs */
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#define LOG_THIS genlog->
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#if BX_PROVIDE_DEVICE_MODELS
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bx_pc_system_c bx_pc_system;
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#endif
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bx_debug_t bx_dbg;
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typedef BX_CPU_C *BX_CPU_C_PTR;
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#if BX_SUPPORT_SMP
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// multiprocessor simulation, we need an array of cpus
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BOCHSAPI BX_CPU_C_PTR *bx_cpu_array = NULL;
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#else
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// single processor simulation, so there's one of everything
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BOCHSAPI BX_CPU_C bx_cpu;
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#endif
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#if BX_PROVIDE_CPU_MEMORY==1
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BOCHSAPI BX_MEM_C bx_mem;
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#endif
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char *bochsrc_filename = NULL;
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void bx_print_header ()
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{
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fprintf (stderr, "%s\n", divider);
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char buffer[128];
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sprintf (buffer, "Bochs x86 Emulator %s\n", VER_STRING);
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bx_center_print (stderr, buffer, 72);
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if (REL_STRING[0]) {
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sprintf (buffer, "%s\n", REL_STRING);
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bx_center_print (stderr, buffer, 72);
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}
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fprintf (stderr, "%s\n", divider);
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}
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#if BX_WITH_CARBON
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/* Original code by Darrell Walisser - dwaliss1@purdue.edu */
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static void setupWorkingDirectory(char *path)
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{
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char parentdir[MAXPATHLEN];
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char *c;
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strncpy (parentdir, path, MAXPATHLEN);
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c = (char*) parentdir;
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while (*c != '\0') /* go to end */
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c++;
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while (*c != '/') /* back up to parent */
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c--;
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*c = '\0'; /* cut off last part (binary name) */
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/* chdir to the binary app's parent */
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int n;
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n = chdir (parentdir);
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if (n) BX_PANIC (("failed to change dir to parent"));
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/* chdir to the .app's parent */
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n = chdir ("../../../");
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if (n) BX_PANIC (("failed to change to ../../.."));
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}
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/* Panic button to display fatal errors.
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Completely self contained, can't rely on carbon.cc being available */
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static void carbonFatalDialog(const char *error, const char *exposition)
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{
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DialogRef alertDialog;
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CFStringRef cfError;
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CFStringRef cfExposition;
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DialogItemIndex index;
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AlertStdCFStringAlertParamRec alertParam = {0};
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fprintf(stderr, "Entering carbonFatalDialog: %s\n", error);
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// Init libraries
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InitCursor();
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// Assemble dialog
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cfError = CFStringCreateWithCString(NULL, error, kCFStringEncodingASCII);
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if(exposition != NULL)
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{
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cfExposition = CFStringCreateWithCString(NULL, exposition, kCFStringEncodingASCII);
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}
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else { cfExposition = NULL; }
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alertParam.version = kStdCFStringAlertVersionOne;
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alertParam.defaultText = CFSTR("Quit");
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alertParam.position = kWindowDefaultPosition;
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alertParam.defaultButton = kAlertStdAlertOKButton;
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// Display Dialog
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CreateStandardAlert(
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kAlertStopAlert,
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cfError,
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cfExposition, /* can be NULL */
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&alertParam, /* can be NULL */
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&alertDialog);
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RunStandardAlert(alertDialog, NULL, &index);
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// Cleanup
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CFRelease(cfError);
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if(cfExposition != NULL) { CFRelease(cfExposition); }
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}
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#endif
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#if BX_DEBUGGER
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void print_tree(bx_param_c *node, int level)
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{
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int i;
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char tmpstr[BX_PATHNAME_LEN], tmpbyte[4];
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|
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for (i=0; i<level; i++)
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dbg_printf(" ");
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if (node == NULL) {
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dbg_printf("NULL pointer\n");
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return;
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}
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switch (node->get_type()) {
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case BXT_PARAM_NUM:
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if (((bx_param_num_c*)node)->get_base() == BASE_DEC) {
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dbg_printf("%s = " FMT_LL "d (number)\n", node->get_name(), ((bx_param_num_c*)node)->get64());
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} else {
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dbg_printf("%s = 0x" FMT_LL "x (hex number)\n", node->get_name(), ((bx_param_num_c*)node)->get64());
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}
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break;
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case BXT_PARAM_BOOL:
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dbg_printf("%s = %s (boolean)\n", node->get_name(), ((bx_param_bool_c*)node)->get()?"true":"false");
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break;
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case BXT_PARAM_ENUM:
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dbg_printf("%s = '%s' (enum)\n", node->get_name(), ((bx_param_enum_c*)node)->get_selected());
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break;
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case BXT_PARAM_STRING:
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if (((bx_param_string_c*)node)->get_options()->get() & bx_param_string_c::RAW_BYTES) {
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tmpstr[0] = 0;
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for (i = 0; i < ((bx_param_string_c*)node)->get_maxsize(); i++) {
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if (i > 0) {
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tmpbyte[0] = ((bx_param_string_c*)node)->get_separator();
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tmpbyte[1] = 0;
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strcat(tmpstr, tmpbyte);
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}
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sprintf(tmpbyte, "%02x", (Bit8u)((bx_param_string_c*)node)->getptr()[i]);
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strcat(tmpstr, tmpbyte);
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}
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dbg_printf("%s = '%s' (raw byte string)\n", node->get_name(), tmpstr);
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} else {
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dbg_printf("%s = '%s' (string)\n", node->get_name(), ((bx_param_string_c*)node)->getptr());
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}
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break;
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case BXT_LIST:
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{
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dbg_printf("%s = \n", node->get_name());
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bx_list_c *list = (bx_list_c*)node;
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for (i=0; i < list->get_size(); i++) {
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print_tree(list->get(i), level+1);
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}
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break;
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}
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case BXT_PARAM_DATA:
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dbg_printf("%s = 'size=%d' (binary data)\n", node->get_name(), ((bx_shadow_data_c*)node)->get_size());
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break;
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default:
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dbg_printf("%s (unknown parameter type)\n", node->get_name());
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}
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}
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#endif
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int bxmain (void) {
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#ifdef HAVE_LOCALE_H
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// Initialize locale (for isprint() and other functions)
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setlocale (LC_ALL, "");
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#endif
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bx_user_quit = 0;
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bx_init_siminterface(); // create the SIM object
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static jmp_buf context;
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if (setjmp (context) == 0) {
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SIM->set_quit_context (&context);
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BX_INSTR_INIT_ENV();
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if (bx_init_main(bx_startup_flags.argc, bx_startup_flags.argv) < 0)
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{ BX_INSTR_EXIT_ENV();
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return 0;
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}
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// read a param to decide which config interface to start.
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// If one exists, start it. If not, just begin.
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bx_param_enum_c *ci_param = SIM->get_param_enum(BXPN_SEL_CONFIG_INTERFACE);
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const char *ci_name = ci_param->get_selected();
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if (!strcmp(ci_name, "textconfig")) {
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#if BX_USE_TEXTCONFIG
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init_text_config_interface(); // in textconfig.h
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#else
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BX_PANIC(("configuration interface 'textconfig' not present"));
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#endif
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}
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#if BX_WITH_WX
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else if (!strcmp(ci_name, "wx")) {
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PLUG_load_plugin(wx, PLUGTYPE_CORE);
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}
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#endif
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else {
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BX_PANIC(("unsupported configuration interface '%s'", ci_name));
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}
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ci_param->set_enabled(0);
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int status = SIM->configuration_interface(ci_name, CI_START);
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if (status == CI_ERR_NO_TEXT_CONSOLE)
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BX_PANIC(("Bochs needed the text console, but it was not usable"));
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// user quit the config interface, so just quit
|
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} else {
|
||
// quit via longjmp
|
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}
|
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SIM->set_quit_context(NULL);
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#if defined(WIN32)
|
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if (!bx_user_quit) {
|
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// ask user to press ENTER before exiting, so that they can read messages
|
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// before the console window is closed. This isn't necessary after pressing
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// the power button.
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fprintf(stderr, "\nBochs is exiting. Press ENTER when you're ready to close this window.\n");
|
||
char buf[16];
|
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fgets(buf, sizeof(buf), stdin);
|
||
}
|
||
#endif
|
||
BX_INSTR_EXIT_ENV();
|
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return SIM->get_exit_code();
|
||
}
|
||
|
||
#if defined(__WXMSW__)
|
||
|
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// win32 applications get the whole command line in one long string.
|
||
// This function is used to split up the string into argc and argv,
|
||
// so that the command line can be used on win32 just like on every
|
||
// other platform.
|
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//
|
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// I'm sure other people have written this same function, and they may have
|
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// done it better, but I don't know where to find it. -BBD
|
||
#ifndef MAX_ARGLEN
|
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#define MAX_ARGLEN 80
|
||
#endif
|
||
int split_string_into_argv (
|
||
char *string,
|
||
int *argc_out,
|
||
char **argv,
|
||
int max_argv)
|
||
{
|
||
char *buf0 = new char[strlen(string)+1];
|
||
strcpy (buf0, string);
|
||
char *buf = buf0;
|
||
int in_double_quote = 0, in_single_quote = 0;
|
||
for (int i=0; i<max_argv; i++)
|
||
argv[i] = NULL;
|
||
argv[0] = new char[6];
|
||
strcpy (argv[0], "bochs");
|
||
int argc = 1;
|
||
argv[argc] = new char[MAX_ARGLEN];
|
||
char *outp = &argv[argc][0];
|
||
// trim leading and trailing spaces
|
||
while (*buf==' ') buf++;
|
||
char *p;
|
||
char *last_nonspace = buf;
|
||
for (p=buf; *p; p++) {
|
||
if (*p!=' ') last_nonspace = p;
|
||
}
|
||
if (last_nonspace != buf) *(last_nonspace+1) = 0;
|
||
p = buf;
|
||
bx_bool done = false;
|
||
while (!done) {
|
||
//fprintf (stderr, "parsing '%c' with singlequote=%d, dblquote=%d\n", *p, in_single_quote, in_double_quote);
|
||
switch (*p) {
|
||
case '\0':
|
||
done = true;
|
||
// fall through into behavior for space
|
||
case ' ':
|
||
if (in_double_quote || in_single_quote)
|
||
goto do_default;
|
||
*outp = 0;
|
||
//fprintf (stderr, "completed arg %d = '%s'\n", argc, argv[argc]);
|
||
argc++;
|
||
if (argc >= max_argv) {
|
||
fprintf (stderr, "too many arguments. Increase MAX_ARGUMENTS\n");
|
||
return -1;
|
||
}
|
||
argv[argc] = new char[MAX_ARGLEN];
|
||
outp = &argv[argc][0];
|
||
while (*p==' ') p++;
|
||
break;
|
||
case '"':
|
||
if (in_single_quote) goto do_default;
|
||
in_double_quote = !in_double_quote;
|
||
p++;
|
||
break;
|
||
case '\'':
|
||
if (in_double_quote) goto do_default;
|
||
in_single_quote = !in_single_quote;
|
||
p++;
|
||
break;
|
||
do_default:
|
||
default:
|
||
if (outp-&argv[argc][0] >= MAX_ARGLEN) {
|
||
//fprintf (stderr, "command line arg %d exceeded max size %d\n", argc, MAX_ARGLEN);
|
||
return -1;
|
||
}
|
||
*(outp++) = *(p++);
|
||
}
|
||
}
|
||
if (in_single_quote) {
|
||
fprintf (stderr, "end of string with mismatched single quote (')\n");
|
||
return -1;
|
||
}
|
||
if (in_double_quote) {
|
||
fprintf (stderr, "end of string with mismatched double quote (\")\n");
|
||
return -1;
|
||
}
|
||
*argc_out = argc;
|
||
return 0;
|
||
}
|
||
#endif /* if defined(__WXMSW__) */
|
||
|
||
#if defined(__WXMSW__) || (BX_WITH_SDL && defined(WIN32))
|
||
// The RedirectIOToConsole() function is copied from an article called "Adding
|
||
// Console I/O to a Win32 GUI App" in Windows Developer Journal, December 1997.
|
||
// It creates a console window.
|
||
//
|
||
// NOTE: It could probably be written so that it can safely be called for all
|
||
// win32 builds.
|
||
int RedirectIOToConsole()
|
||
{
|
||
int hConHandle;
|
||
long lStdHandle;
|
||
FILE *fp;
|
||
// allocate a console for this app
|
||
if (!AllocConsole()) {
|
||
MessageBox(NULL, "Failed to create text console", "Error", MB_ICONERROR);
|
||
return 0;
|
||
}
|
||
// redirect unbuffered STDOUT to the console
|
||
lStdHandle = (long)GetStdHandle(STD_OUTPUT_HANDLE);
|
||
hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);
|
||
fp = _fdopen(hConHandle, "w");
|
||
*stdout = *fp;
|
||
setvbuf(stdout, NULL, _IONBF, 0);
|
||
// redirect unbuffered STDIN to the console
|
||
lStdHandle = (long)GetStdHandle(STD_INPUT_HANDLE);
|
||
hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);
|
||
fp = _fdopen(hConHandle, "r");
|
||
*stdin = *fp;
|
||
setvbuf(stdin, NULL, _IONBF, 0);
|
||
// redirect unbuffered STDERR to the console
|
||
lStdHandle = (long)GetStdHandle(STD_ERROR_HANDLE);
|
||
hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);
|
||
fp = _fdopen(hConHandle, "w");
|
||
*stderr = *fp;
|
||
setvbuf(stderr, NULL, _IONBF, 0);
|
||
return 1;
|
||
}
|
||
#endif /* if defined(__WXMSW__) || (BX_WITH_SDL && defined(WIN32)) */
|
||
|
||
#if defined(__WXMSW__)
|
||
// only used for wxWidgets/win32.
|
||
// This works ok in Cygwin with a standard wxWidgets compile. In
|
||
// VC++ wxWidgets must be compiled with -DNOMAIN=1.
|
||
int WINAPI WinMain(
|
||
HINSTANCE hInstance,
|
||
HINSTANCE hPrevInstance,
|
||
LPSTR m_lpCmdLine, int nCmdShow)
|
||
{
|
||
bx_startup_flags.hInstance = hInstance;
|
||
bx_startup_flags.hPrevInstance = hPrevInstance;
|
||
bx_startup_flags.m_lpCmdLine = m_lpCmdLine;
|
||
bx_startup_flags.nCmdShow = nCmdShow;
|
||
if (!RedirectIOToConsole()) {
|
||
return 1;
|
||
}
|
||
SetConsoleTitle("Bochs for Windows (wxWidgets port) - Console");
|
||
int max_argv = 20;
|
||
bx_startup_flags.argv = (char**) malloc (max_argv * sizeof (char*));
|
||
split_string_into_argv(m_lpCmdLine, &bx_startup_flags.argc, bx_startup_flags.argv, max_argv);
|
||
return bxmain();
|
||
}
|
||
#endif
|
||
|
||
#if !defined(__WXMSW__)
|
||
// normal main function, presently in for all cases except for
|
||
// wxWidgets under win32.
|
||
int CDECL main(int argc, char *argv[])
|
||
{
|
||
bx_startup_flags.argc = argc;
|
||
bx_startup_flags.argv = argv;
|
||
#if BX_WITH_SDL && defined(WIN32)
|
||
// if SDL/win32, try to create a console window.
|
||
if (!RedirectIOToConsole()) {
|
||
return 1;
|
||
}
|
||
#endif
|
||
#if defined(WIN32)
|
||
SetConsoleTitle("Bochs for Windows - Console");
|
||
#endif
|
||
return bxmain();
|
||
}
|
||
#endif
|
||
|
||
void print_usage(void)
|
||
{
|
||
fprintf(stderr,
|
||
"Usage: bochs [flags] [bochsrc options]\n\n"
|
||
" -n no configuration file\n"
|
||
" -f configfile specify configuration file\n"
|
||
" -q quick start (skip configuration interface)\n"
|
||
" -benchmark n run bochs in benchmark mode for millions of emulated ticks\n"
|
||
" -r path restore the Bochs state from path\n"
|
||
" -log filename specify Bochs log file name\n"
|
||
#if BX_DEBUGGER
|
||
" -rc filename execute debugger commands stored in file\n"
|
||
" -dbglog filename specify Bochs internal debugger log file name\n"
|
||
#endif
|
||
" --help display this help and exit\n\n"
|
||
"For information on Bochs configuration file arguments, see the\n"
|
||
#if (!defined(WIN32)) && !BX_WITH_MACOS
|
||
"bochsrc section in the user documentation or the man page of bochsrc.\n");
|
||
#else
|
||
"bochsrc section in the user documentation.\n");
|
||
#endif
|
||
}
|
||
|
||
int bx_init_main(int argc, char *argv[])
|
||
{
|
||
// To deal with initialization order problems inherent in C++, use the macros
|
||
// SAFE_GET_IOFUNC and SAFE_GET_GENLOG to retrieve "io" and "genlog" in all
|
||
// constructors or functions called by constructors. The macros test for
|
||
// NULL and create the object if necessary, then return it. Ensure that io
|
||
// and genlog get created, by making one reference to each macro right here.
|
||
// All other code can reference io and genlog directly. Because these
|
||
// objects are required for logging, and logging is so fundamental to
|
||
// knowing what the program is doing, they are never free()d.
|
||
SAFE_GET_IOFUNC(); // never freed
|
||
SAFE_GET_GENLOG(); // never freed
|
||
|
||
// initalization must be done early because some destructors expect
|
||
// the bochs config options to exist by the time they are called.
|
||
bx_init_bx_dbg();
|
||
bx_init_options();
|
||
|
||
bx_print_header();
|
||
|
||
SIM->get_param_enum(BXPN_BOCHS_START)->set(BX_RUN_START);
|
||
|
||
// interpret the args that start with -, like -q, -f, etc.
|
||
int arg = 1, load_rcfile=1;
|
||
while (arg < argc) {
|
||
// parse next arg
|
||
if (!strcmp("--help", argv[arg]) || !strncmp("-h", argv[arg], 2)
|
||
#if defined(WIN32)
|
||
|| !strncmp("/?", argv[arg], 2)
|
||
#endif
|
||
) {
|
||
print_usage();
|
||
SIM->quit_sim(0);
|
||
}
|
||
else if (!strcmp("-n", argv[arg])) {
|
||
load_rcfile = 0;
|
||
}
|
||
else if (!strcmp("-q", argv[arg])) {
|
||
SIM->get_param_enum(BXPN_BOCHS_START)->set(BX_QUICK_START);
|
||
}
|
||
else if (!strcmp("-log", argv[arg])) {
|
||
if (++arg >= argc) BX_PANIC(("-log must be followed by a filename"));
|
||
else SIM->get_param_string(BXPN_LOG_FILENAME)->set(argv[arg]);
|
||
}
|
||
#if BX_DEBUGGER
|
||
else if (!strcmp("-dbglog", argv[arg])) {
|
||
if (++arg >= argc) BX_PANIC(("-dbglog must be followed by a filename"));
|
||
else SIM->get_param_string(BXPN_DEBUGGER_LOG_FILENAME)->set(argv[arg]);
|
||
}
|
||
#endif
|
||
else if (!strcmp("-f", argv[arg])) {
|
||
if (++arg >= argc) BX_PANIC(("-f must be followed by a filename"));
|
||
else bochsrc_filename = argv[arg];
|
||
}
|
||
else if (!strcmp("-qf", argv[arg])) {
|
||
SIM->get_param_enum(BXPN_BOCHS_START)->set(BX_QUICK_START);
|
||
if (++arg >= argc) BX_PANIC(("-qf must be followed by a filename"));
|
||
else bochsrc_filename = argv[arg];
|
||
}
|
||
else if (!strcmp("-benchmark", argv[arg])) {
|
||
SIM->get_param_enum(BXPN_BOCHS_START)->set(BX_QUICK_START);
|
||
if (++arg >= argc) BX_PANIC(("-benchmark must be followed by a number"));
|
||
else SIM->get_param_num(BXPN_BOCHS_BENCHMARK)->set(atoi(argv[arg]));
|
||
}
|
||
else if (!strcmp("-r", argv[arg])) {
|
||
if (++arg >= argc) BX_PANIC(("-r must be followed by a path"));
|
||
else {
|
||
SIM->get_param_enum(BXPN_BOCHS_START)->set(BX_QUICK_START);
|
||
SIM->get_param_bool(BXPN_RESTORE_FLAG)->set(1);
|
||
SIM->get_param_string(BXPN_RESTORE_PATH)->set(argv[arg]);
|
||
}
|
||
}
|
||
#if BX_WITH_CARBON
|
||
else if (!strncmp("-psn", argv[arg], 4)) {
|
||
// "-psn" is passed if we are launched by double-clicking
|
||
// ugly hack. I don't know how to open a window to print messages in,
|
||
// so put them in /tmp/early-bochs-out.txt. Sorry. -bbd
|
||
io->init_log("/tmp/early-bochs-out.txt");
|
||
BX_INFO (("I was launched by double clicking. Fixing home directory."));
|
||
arg = argc; // ignore all other args.
|
||
setupWorkingDirectory (argv[0]);
|
||
// there is no stdin/stdout so disable the text-based config interface.
|
||
SIM->get_param_enum(BXPN_BOCHS_START)->set(BX_QUICK_START);
|
||
char cwd[MAXPATHLEN];
|
||
getwd (cwd);
|
||
BX_INFO (("Now my working directory is %s", cwd));
|
||
// if it was started from command line, there could be some args still.
|
||
for (int a=0; a<argc; a++) {
|
||
BX_INFO (("argument %d is %s", a, argv[a]));
|
||
}
|
||
}
|
||
#endif
|
||
#if BX_DEBUGGER
|
||
else if (!strcmp("-rc", argv[arg])) {
|
||
// process "-rc filename" option, if it exists
|
||
if (++arg >= argc) BX_PANIC(("-rc must be followed by a filename"));
|
||
else bx_dbg_set_rcfile(argv[arg]);
|
||
}
|
||
#endif
|
||
else if (argv[arg][0] == '-') {
|
||
print_usage();
|
||
BX_PANIC (("command line arg '%s' was not understood", argv[arg]));
|
||
}
|
||
else {
|
||
// the arg did not start with -, so stop interpreting flags
|
||
break;
|
||
}
|
||
arg++;
|
||
}
|
||
#if BX_WITH_CARBON
|
||
if(!getenv("BXSHARE"))
|
||
{
|
||
CFBundleRef mainBundle;
|
||
CFURLRef bxshareDir;
|
||
char bxshareDirPath[MAXPATHLEN];
|
||
BX_INFO (("fixing default bxshare location ..."));
|
||
// set bxshare to the directory that contains our application
|
||
mainBundle = CFBundleGetMainBundle();
|
||
BX_ASSERT(mainBundle != NULL);
|
||
bxshareDir = CFBundleCopyBundleURL(mainBundle);
|
||
BX_ASSERT(bxshareDir != NULL);
|
||
// translate this to a unix style full path
|
||
if(!CFURLGetFileSystemRepresentation(bxshareDir, true, (UInt8 *)bxshareDirPath, MAXPATHLEN))
|
||
{
|
||
BX_PANIC(("Unable to work out bxshare path! (Most likely path too long!)"));
|
||
return -1;
|
||
}
|
||
char *c;
|
||
c = (char*) bxshareDirPath;
|
||
while (*c != '\0') /* go to end */
|
||
c++;
|
||
while (*c != '/') /* back up to parent */
|
||
c--;
|
||
*c = '\0'; /* cut off last part (binary name) */
|
||
setenv("BXSHARE", bxshareDirPath, 1);
|
||
BX_INFO (("now my BXSHARE is %s", getenv("BXSHARE")));
|
||
CFRelease(bxshareDir);
|
||
}
|
||
#endif
|
||
#if BX_PLUGINS
|
||
// set a default plugin path, in case the user did not specify one
|
||
#if BX_WITH_CARBON
|
||
// if there is no stdin, then we must create our own LTDL_LIBRARY_PATH.
|
||
// also if there is no LTDL_LIBRARY_PATH, but we have a bundle since we're here
|
||
// This is here so that it is available whenever --with-carbon is defined but
|
||
// the above code might be skipped, as in --with-sdl --with-carbon
|
||
if(!isatty(STDIN_FILENO) || !getenv("LTDL_LIBRARY_PATH"))
|
||
{
|
||
CFBundleRef mainBundle;
|
||
CFURLRef libDir;
|
||
char libDirPath[MAXPATHLEN];
|
||
if(!isatty(STDIN_FILENO))
|
||
{
|
||
// there is no stdin/stdout so disable the text-based config interface.
|
||
SIM->get_param_enum(BXPN_BOCHS_START)->set(BX_QUICK_START);
|
||
}
|
||
BX_INFO (("fixing default lib location ..."));
|
||
// locate the lib directory within the application bundle.
|
||
// our libs have been placed in bochs.app/Contents/(current platform aka MacOS)/lib
|
||
// This isn't quite right, but they are platform specific and we haven't put
|
||
// our plugins into true frameworks and bundles either
|
||
mainBundle = CFBundleGetMainBundle();
|
||
BX_ASSERT(mainBundle != NULL);
|
||
libDir = CFBundleCopyAuxiliaryExecutableURL(mainBundle, CFSTR("lib"));
|
||
BX_ASSERT(libDir != NULL);
|
||
// translate this to a unix style full path
|
||
if(!CFURLGetFileSystemRepresentation(libDir, true, (UInt8 *)libDirPath, MAXPATHLEN))
|
||
{
|
||
BX_PANIC(("Unable to work out ltdl library path within bochs bundle! (Most likely path too long!)"));
|
||
return -1;
|
||
}
|
||
setenv("LTDL_LIBRARY_PATH", libDirPath, 1);
|
||
BX_INFO (("now my LTDL_LIBRARY_PATH is %s", getenv("LTDL_LIBRARY_PATH")));
|
||
CFRelease(libDir);
|
||
}
|
||
#elif BX_HAVE_GETENV && BX_HAVE_SETENV
|
||
if (getenv("LTDL_LIBRARY_PATH") != NULL) {
|
||
BX_INFO (("LTDL_LIBRARY_PATH is set to '%s'", getenv("LTDL_LIBRARY_PATH")));
|
||
} else {
|
||
BX_INFO (("LTDL_LIBRARY_PATH not set. using compile time default '%s'",
|
||
BX_PLUGIN_PATH));
|
||
setenv("LTDL_LIBRARY_PATH", BX_PLUGIN_PATH, 1);
|
||
}
|
||
if (getenv("BXSHARE") != NULL) {
|
||
BX_INFO (("BXSHARE is set to '%s'", getenv("BXSHARE")));
|
||
} else {
|
||
BX_INFO (("BXSHARE not set. using compile time default '%s'",
|
||
BX_SHARE_PATH));
|
||
setenv("BXSHARE", BX_SHARE_PATH, 1);
|
||
}
|
||
#else
|
||
// we don't have getenv or setenv. Do nothing.
|
||
#endif
|
||
#endif /* if BX_PLUGINS */
|
||
|
||
// initialize plugin system. This must happen before we attempt to
|
||
// load any modules.
|
||
plugin_startup();
|
||
|
||
int norcfile = 1;
|
||
|
||
if (SIM->get_param_bool(BXPN_RESTORE_FLAG)->get()) {
|
||
load_rcfile = 0;
|
||
norcfile = 0;
|
||
}
|
||
if (load_rcfile) {
|
||
/* parse configuration file and command line arguments */
|
||
#ifdef WIN32
|
||
int length;
|
||
if (bochsrc_filename != NULL) {
|
||
lstrcpy(bx_startup_flags.initial_dir, bochsrc_filename);
|
||
length = lstrlen(bx_startup_flags.initial_dir);
|
||
while ((length > 1) && (bx_startup_flags.initial_dir[length-1] != 92)) length--;
|
||
bx_startup_flags.initial_dir[length] = 0;
|
||
} else {
|
||
bx_startup_flags.initial_dir[0] = 0;
|
||
}
|
||
#endif
|
||
if (bochsrc_filename == NULL) bochsrc_filename = bx_find_bochsrc ();
|
||
if (bochsrc_filename)
|
||
norcfile = bx_read_configuration(bochsrc_filename);
|
||
}
|
||
|
||
if (norcfile) {
|
||
// No configuration was loaded, so the current settings are unusable.
|
||
// Switch off quick start so that we will drop into the configuration
|
||
// interface.
|
||
if (SIM->get_param_enum(BXPN_BOCHS_START)->get() == BX_QUICK_START) {
|
||
if (!SIM->test_for_text_console())
|
||
BX_PANIC(("Unable to start Bochs without a bochsrc.txt and without a text console"));
|
||
else
|
||
BX_ERROR(("Switching off quick start, because no configuration file was found."));
|
||
}
|
||
SIM->get_param_enum(BXPN_BOCHS_START)->set(BX_LOAD_START);
|
||
}
|
||
|
||
if (SIM->get_param_bool(BXPN_RESTORE_FLAG)->get()) {
|
||
if (arg < argc) {
|
||
BX_ERROR(("WARNING: bochsrc options are ignored in restore mode!"));
|
||
}
|
||
}
|
||
else {
|
||
// parse the rest of the command line. This is done after reading the
|
||
// configuration file so that the command line arguments can override
|
||
// the settings from the file.
|
||
if (bx_parse_cmdline(arg, argc, argv)) {
|
||
BX_PANIC(("There were errors while parsing the command line"));
|
||
return -1;
|
||
}
|
||
}
|
||
return 0;
|
||
}
|
||
|
||
bx_bool load_and_init_display_lib(void)
|
||
{
|
||
if (bx_gui != NULL) {
|
||
// bx_gui has already been filled in. This happens when you start
|
||
// the simulation for the second time.
|
||
// Also, if you load wxWidgets as the configuration interface. Its
|
||
// plugin_init will install wxWidgets as the bx_gui.
|
||
return true;
|
||
}
|
||
BX_ASSERT(bx_gui == NULL);
|
||
bx_param_enum_c *ci_param = SIM->get_param_enum(BXPN_SEL_CONFIG_INTERFACE);
|
||
const char *ci_name = ci_param->get_selected();
|
||
bx_param_enum_c *gui_param = SIM->get_param_enum(BXPN_SEL_DISPLAY_LIBRARY);
|
||
const char *gui_name = gui_param->get_selected();
|
||
if (!strcmp(ci_name, "wx")) {
|
||
BX_ERROR(("change of the config interface to wx not implemented yet"));
|
||
}
|
||
if (!strcmp(gui_name, "wx")) {
|
||
// they must not have used wx as the configuration interface, or bx_gui
|
||
// would already be initialized. Sorry, it doesn't work that way.
|
||
BX_ERROR(("wxWidgets was not used as the configuration interface, so it cannot be used as the display library"));
|
||
// choose another, hopefully different!
|
||
gui_param->set (0);
|
||
gui_name = gui_param->get_selected();
|
||
if (!strcmp (gui_name, "wx")) {
|
||
BX_PANIC(("no alternative display libraries are available"));
|
||
return false;
|
||
}
|
||
BX_ERROR(("changing display library to '%s' instead", gui_name));
|
||
}
|
||
#if BX_WITH_AMIGAOS
|
||
if (!strcmp(gui_name, "amigaos"))
|
||
PLUG_load_plugin (amigaos, PLUGTYPE_OPTIONAL);
|
||
#endif
|
||
#if BX_WITH_BEOS
|
||
if (!strcmp(gui_name, "beos"))
|
||
PLUG_load_plugin (beos, PLUGTYPE_OPTIONAL);
|
||
#endif
|
||
#if BX_WITH_CARBON
|
||
if (!strcmp(gui_name, "carbon"))
|
||
PLUG_load_plugin (carbon, PLUGTYPE_OPTIONAL);
|
||
#endif
|
||
#if BX_WITH_MACOS
|
||
if (!strcmp(gui_name, "macos"))
|
||
PLUG_load_plugin (macintosh, PLUGTYPE_OPTIONAL);
|
||
#endif
|
||
#if BX_WITH_NOGUI
|
||
if (!strcmp(gui_name, "nogui"))
|
||
PLUG_load_plugin (nogui, PLUGTYPE_OPTIONAL);
|
||
#endif
|
||
#if BX_WITH_RFB
|
||
if (!strcmp(gui_name, "rfb"))
|
||
PLUG_load_plugin (rfb, PLUGTYPE_OPTIONAL);
|
||
#endif
|
||
#if BX_WITH_SDL
|
||
if (!strcmp(gui_name, "sdl"))
|
||
PLUG_load_plugin (sdl, PLUGTYPE_OPTIONAL);
|
||
#endif
|
||
#if BX_WITH_SVGA
|
||
if (!strcmp(gui_name, "svga"))
|
||
PLUG_load_plugin (svga, PLUGTYPE_OPTIONAL);
|
||
#endif
|
||
#if BX_WITH_TERM
|
||
if (!strcmp(gui_name, "term"))
|
||
PLUG_load_plugin (term, PLUGTYPE_OPTIONAL);
|
||
#endif
|
||
#if BX_WITH_WIN32
|
||
if (!strcmp(gui_name, "win32"))
|
||
PLUG_load_plugin (win32, PLUGTYPE_OPTIONAL);
|
||
#endif
|
||
#if BX_WITH_X11
|
||
if (!strcmp(gui_name, "x"))
|
||
PLUG_load_plugin (x, PLUGTYPE_OPTIONAL);
|
||
#endif
|
||
|
||
#if BX_GUI_SIGHANDLER
|
||
// set the flag for guis requiring a GUI sighandler.
|
||
// useful when guis are compiled as plugins
|
||
// only term for now
|
||
if (!strcmp(gui_name, "term")) {
|
||
bx_gui_sighandler = 1;
|
||
}
|
||
#endif
|
||
|
||
BX_ASSERT(bx_gui != NULL);
|
||
return true;
|
||
}
|
||
|
||
int bx_begin_simulation (int argc, char *argv[])
|
||
{
|
||
SIM->init_save_restore();
|
||
if (SIM->get_param_bool(BXPN_RESTORE_FLAG)->get()) {
|
||
if (!SIM->restore_config()) {
|
||
BX_PANIC(("cannot restore configuration"));
|
||
SIM->get_param_bool(BXPN_RESTORE_FLAG)->set(0);
|
||
}
|
||
}
|
||
|
||
// deal with gui selection
|
||
if (!load_and_init_display_lib ()) {
|
||
BX_PANIC (("no gui module was loaded"));
|
||
return 0;
|
||
}
|
||
|
||
bx_cpu_count = SIM->get_param_num(BXPN_CPU_NPROCESSORS)->get() *
|
||
SIM->get_param_num(BXPN_CPU_NCORES)->get() *
|
||
SIM->get_param_num(BXPN_CPU_NTHREADS)->get();
|
||
|
||
BX_ASSERT(bx_cpu_count <= BX_MAX_SMP_THREADS_SUPPORTED);
|
||
BX_ASSERT(bx_cpu_count > 0);
|
||
|
||
bx_init_hardware();
|
||
|
||
if (SIM->get_param_enum(BXPN_LOAD32BITOS_WHICH)->get()) {
|
||
void bx_load32bitOSimagehack(void);
|
||
bx_load32bitOSimagehack();
|
||
}
|
||
|
||
SIM->set_init_done(1);
|
||
|
||
// update headerbar buttons since drive status can change during init
|
||
bx_gui->update_drive_status_buttons();
|
||
|
||
// iniialize statusbar and set all items inactive
|
||
if (!SIM->get_param_bool(BXPN_RESTORE_FLAG)->get())
|
||
{
|
||
bx_gui->statusbar_setitem(-1, 0);
|
||
}
|
||
|
||
// The set handler for mouse_enabled does not actually update the gui
|
||
// until init_done is set. This forces the set handler to be called,
|
||
// which sets up the mouse enabled GUI-specific stuff correctly.
|
||
// Not a great solution but it works. BBD
|
||
SIM->get_param_bool(BXPN_MOUSE_ENABLED)->set(SIM->get_param_bool(BXPN_MOUSE_ENABLED)->get());
|
||
|
||
#if BX_DEBUGGER
|
||
// If using the debugger, it will take control and call
|
||
// bx_init_hardware() and cpu_loop()
|
||
bx_dbg_main();
|
||
#else
|
||
#if BX_GDBSTUB
|
||
// If using gdbstub, it will take control and call
|
||
// bx_init_hardware() and cpu_loop()
|
||
if (bx_dbg.gdbstub_enabled) bx_gdbstub_init();
|
||
else
|
||
#endif
|
||
{
|
||
if (BX_SMP_PROCESSORS == 1) {
|
||
// only one processor, run as fast as possible by not messing with
|
||
// quantums and loops.
|
||
while (1) {
|
||
BX_CPU(0)->cpu_loop(0);
|
||
if (bx_pc_system.kill_bochs_request)
|
||
break;
|
||
}
|
||
// for one processor, the only reason for cpu_loop to return is
|
||
// that kill_bochs_request was set by the GUI interface.
|
||
}
|
||
else {
|
||
// SMP simulation: do a few instructions on each processor, then switch
|
||
// to another. Increasing quantum speeds up overall performance, but
|
||
// reduces granularity of synchronization between processors.
|
||
int processor = 0;
|
||
int quantum = SIM->get_param_num(BXPN_SMP_QUANTUM)->get();
|
||
while (1) {
|
||
// do some instructions in each processor
|
||
BX_CPU(processor)->cpu_loop(quantum);
|
||
processor = (processor+1) % BX_SMP_PROCESSORS;
|
||
if (bx_pc_system.kill_bochs_request)
|
||
break;
|
||
if (processor == 0)
|
||
BX_TICKN(quantum);
|
||
}
|
||
}
|
||
}
|
||
#endif /* BX_DEBUGGER == 0 */
|
||
BX_INFO(("cpu loop quit, shutting down simulator"));
|
||
bx_atexit();
|
||
return(0);
|
||
}
|
||
|
||
void bx_stop_simulation(void)
|
||
{
|
||
// in wxWidgets, the whole simulator is running in a separate thread.
|
||
// our only job is to end the thread as soon as possible, NOT to shut
|
||
// down the whole application with an exit.
|
||
BX_CPU(0)->async_event = 1;
|
||
bx_pc_system.kill_bochs_request = 1;
|
||
// the cpu loop will exit very soon after this condition is set.
|
||
}
|
||
|
||
void bx_sr_after_restore_state(void)
|
||
{
|
||
#if BX_SUPPORT_SMP == 0
|
||
BX_CPU(0)->after_restore_state();
|
||
#else
|
||
for (unsigned i=0; i<BX_SMP_PROCESSORS; i++) {
|
||
BX_CPU(i)->after_restore_state();
|
||
}
|
||
#endif
|
||
DEV_after_restore_state();
|
||
}
|
||
|
||
void bx_init_hardware()
|
||
{
|
||
// all configuration has been read, now initialize everything.
|
||
|
||
if (SIM->get_param_enum(BXPN_BOCHS_START)->get()==BX_QUICK_START) {
|
||
for (int level=0; level<N_LOGLEV; level++) {
|
||
int action = SIM->get_default_log_action(level);
|
||
io->set_log_action(level, action);
|
||
}
|
||
}
|
||
|
||
bx_pc_system.initialize(SIM->get_param_num(BXPN_IPS)->get());
|
||
|
||
if (SIM->get_param_string(BXPN_LOG_FILENAME)->getptr()[0]!='-') {
|
||
BX_INFO (("using log file %s", SIM->get_param_string(BXPN_LOG_FILENAME)->getptr()));
|
||
io->init_log(SIM->get_param_string(BXPN_LOG_FILENAME)->getptr());
|
||
}
|
||
|
||
io->set_log_prefix(SIM->get_param_string(BXPN_LOG_PREFIX)->getptr());
|
||
|
||
// Output to the log file the cpu and device settings
|
||
// This will by handy for bug reports
|
||
BX_INFO(("Bochs x86 Emulator %s", VER_STRING));
|
||
BX_INFO((" %s", REL_STRING));
|
||
BX_INFO(("System configuration"));
|
||
BX_INFO((" processors: %d (cores=%u, HT threads=%u)", BX_SMP_PROCESSORS,
|
||
SIM->get_param_num(BXPN_CPU_NCORES)->get(), SIM->get_param_num(BXPN_CPU_NTHREADS)->get()));
|
||
BX_INFO((" A20 line support: %s",BX_SUPPORT_A20?"yes":"no"));
|
||
#if BX_CONFIGURE_MSRS
|
||
const char *msrs_file = SIM->get_param_string(BXPN_CONFIGURABLE_MSRS_PATH)->getptr();
|
||
if(strlen(msrs_file) > 0)
|
||
BX_INFO((" load configurable MSRs from file \"%s\"", msrs_file));
|
||
#endif
|
||
BX_INFO(("CPU configuration"));
|
||
BX_INFO((" level: %d",BX_CPU_LEVEL));
|
||
#if BX_SUPPORT_SMP
|
||
BX_INFO((" SMP support: yes, quantum=%d", SIM->get_param_num(BXPN_SMP_QUANTUM)->get()));
|
||
#else
|
||
BX_INFO((" SMP support: no"));
|
||
#endif
|
||
BX_INFO((" APIC support: %s",BX_SUPPORT_APIC?"yes":"no"));
|
||
BX_INFO((" FPU support: %s",BX_SUPPORT_FPU?"yes":"no"));
|
||
BX_INFO((" MMX support: %s",BX_SUPPORT_MMX?"yes":"no"));
|
||
if (BX_SUPPORT_SSE == 0)
|
||
BX_INFO((" SSE support: no"));
|
||
else
|
||
BX_INFO((" SSE support: %d%s",BX_SUPPORT_SSE,BX_SUPPORT_SSE_EXTENSION?"E":""));
|
||
BX_INFO((" CLFLUSH support: %s",BX_SUPPORT_CLFLUSH?"yes":"no"));
|
||
BX_INFO((" VME support: %s",BX_SUPPORT_VME?"yes":"no"));
|
||
BX_INFO((" 3dnow! support: %s",BX_SUPPORT_3DNOW?"yes":"no"));
|
||
BX_INFO((" PAE support: %s",BX_SUPPORT_PAE?"yes":"no"));
|
||
BX_INFO((" PGE support: %s",BX_SUPPORT_GLOBAL_PAGES?"yes":"no"));
|
||
BX_INFO((" PSE support: %s",BX_SUPPORT_LARGE_PAGES?"yes":"no"));
|
||
#if BX_SUPPORT_X86_64
|
||
BX_INFO((" 1G paging support: %s",BX_SUPPORT_1G_PAGES?"yes":"no"));
|
||
#endif
|
||
BX_INFO((" x86-64 support: %s",BX_SUPPORT_X86_64?"yes":"no"));
|
||
BX_INFO((" SEP support: %s",BX_SUPPORT_SEP?"yes":"no"));
|
||
BX_INFO((" MWAIT support: %s",BX_SUPPORT_MONITOR_MWAIT?"yes":"no"));
|
||
BX_INFO((" XSAVE support: %s",BX_SUPPORT_XSAVE?"yes":"no"));
|
||
BX_INFO((" AES support: %s",BX_SUPPORT_AES?"yes":"no"));
|
||
BX_INFO((" VMX support: %s",BX_SUPPORT_VMX?"yes":"no"));
|
||
BX_INFO(("Optimization configuration"));
|
||
BX_INFO((" RepeatSpeedups support: %s",BX_SupportRepeatSpeedups?"yes":"no"));
|
||
BX_INFO((" Trace cache support: %s",BX_SUPPORT_TRACE_CACHE?"yes":"no"));
|
||
BX_INFO((" Fast function calls: %s",BX_FAST_FUNC_CALL?"yes":"no"));
|
||
BX_INFO(("Devices configuration"));
|
||
BX_INFO((" ACPI support: %s",BX_SUPPORT_ACPI?"yes":"no"));
|
||
BX_INFO((" NE2000 support: %s",BX_SUPPORT_NE2K?"yes":"no"));
|
||
BX_INFO((" PCI support: %s",BX_SUPPORT_PCI?"yes":"no"));
|
||
BX_INFO((" SB16 support: %s",BX_SUPPORT_SB16?"yes":"no"));
|
||
BX_INFO((" USB support: %s",BX_SUPPORT_PCIUSB?"yes":"no"));
|
||
BX_INFO((" VGA extension support: %s %s",BX_SUPPORT_VBE?"vbe":"",
|
||
BX_SUPPORT_CLGD54XX?"cirrus":""));
|
||
|
||
// Check if there is a romimage
|
||
if (strcmp(SIM->get_param_string(BXPN_ROM_PATH)->getptr(),"") == 0) {
|
||
BX_ERROR(("No romimage to load. Is your bochsrc file loaded/valid ?"));
|
||
}
|
||
|
||
// set one shot timer for benchmark mode if needed, the timer will fire
|
||
// once and kill Bochs simulation after predefined amount of emulated
|
||
// ticks
|
||
int benchmark_mode = SIM->get_param_num(BXPN_BOCHS_BENCHMARK)->get();
|
||
if (benchmark_mode) {
|
||
BX_INFO(("Bochs benchmark mode is ON (~%d millions of ticks)", benchmark_mode));
|
||
bx_pc_system.register_timer_ticks(&bx_pc_system, bx_pc_system_c::benchmarkTimer,
|
||
(Bit64u) benchmark_mode * 1000000, 0, 1, "benchmark.timer");
|
||
}
|
||
|
||
// set up memory and CPU objects
|
||
bx_param_num_c *bxp_memsize = SIM->get_param_num(BXPN_MEM_SIZE);
|
||
Bit32u memSize = bxp_memsize->get() * 1024*1024;
|
||
|
||
BX_MEM(0)->init_memory(memSize);
|
||
|
||
// First load the BIOS and VGABIOS
|
||
BX_MEM(0)->load_ROM(SIM->get_param_string(BXPN_ROM_PATH)->getptr(),
|
||
SIM->get_param_num(BXPN_ROM_ADDRESS)->get(), 0);
|
||
BX_MEM(0)->load_ROM(SIM->get_param_string(BXPN_VGA_ROM_PATH)->getptr(), 0xc0000, 1);
|
||
|
||
// Then load the optional ROM images
|
||
if (strcmp(SIM->get_param_string(BXPN_OPTROM1_PATH)->getptr(), "") !=0)
|
||
BX_MEM(0)->load_ROM(SIM->get_param_string(BXPN_OPTROM1_PATH)->getptr(), SIM->get_param_num(BXPN_OPTROM1_ADDRESS)->get(), 2);
|
||
if (strcmp(SIM->get_param_string(BXPN_OPTROM2_PATH)->getptr(), "") !=0)
|
||
BX_MEM(0)->load_ROM(SIM->get_param_string(BXPN_OPTROM2_PATH)->getptr(), SIM->get_param_num(BXPN_OPTROM2_ADDRESS)->get(), 2);
|
||
if (strcmp(SIM->get_param_string(BXPN_OPTROM3_PATH)->getptr(), "") !=0)
|
||
BX_MEM(0)->load_ROM(SIM->get_param_string(BXPN_OPTROM3_PATH)->getptr(), SIM->get_param_num(BXPN_OPTROM3_ADDRESS)->get(), 2);
|
||
if (strcmp(SIM->get_param_string(BXPN_OPTROM4_PATH)->getptr(), "") !=0)
|
||
BX_MEM(0)->load_ROM(SIM->get_param_string(BXPN_OPTROM4_PATH)->getptr(), SIM->get_param_num(BXPN_OPTROM4_ADDRESS)->get(), 2);
|
||
|
||
// Then load the optional RAM images
|
||
if (strcmp(SIM->get_param_string(BXPN_OPTRAM1_PATH)->getptr(), "") !=0)
|
||
BX_MEM(0)->load_RAM(SIM->get_param_string(BXPN_OPTRAM1_PATH)->getptr(), SIM->get_param_num(BXPN_OPTRAM1_ADDRESS)->get(), 2);
|
||
if (strcmp(SIM->get_param_string(BXPN_OPTRAM2_PATH)->getptr(), "") !=0)
|
||
BX_MEM(0)->load_RAM(SIM->get_param_string(BXPN_OPTRAM2_PATH)->getptr(), SIM->get_param_num(BXPN_OPTRAM2_ADDRESS)->get(), 2);
|
||
if (strcmp(SIM->get_param_string(BXPN_OPTRAM3_PATH)->getptr(), "") !=0)
|
||
BX_MEM(0)->load_RAM(SIM->get_param_string(BXPN_OPTRAM3_PATH)->getptr(), SIM->get_param_num(BXPN_OPTRAM3_ADDRESS)->get(), 2);
|
||
if (strcmp(SIM->get_param_string(BXPN_OPTRAM4_PATH)->getptr(), "") !=0)
|
||
BX_MEM(0)->load_RAM(SIM->get_param_string(BXPN_OPTRAM4_PATH)->getptr(), SIM->get_param_num(BXPN_OPTRAM4_ADDRESS)->get(), 2);
|
||
|
||
#if BX_SUPPORT_SMP == 0
|
||
BX_CPU(0)->initialize();
|
||
BX_CPU(0)->sanity_checks();
|
||
BX_CPU(0)->register_state();
|
||
BX_INSTR_INITIALIZE(0);
|
||
#else
|
||
bx_cpu_array = new BX_CPU_C_PTR[BX_SMP_PROCESSORS];
|
||
|
||
for (unsigned i=0; i<BX_SMP_PROCESSORS; i++) {
|
||
BX_CPU(i) = new BX_CPU_C(i);
|
||
BX_CPU(i)->initialize(); // assign local apic id in 'initialize' method
|
||
BX_CPU(i)->sanity_checks();
|
||
BX_CPU(i)->register_state();
|
||
BX_INSTR_INITIALIZE(i);
|
||
}
|
||
#endif
|
||
|
||
DEV_init_devices();
|
||
bx_pc_system.register_state();
|
||
DEV_register_state();
|
||
if (SIM->get_param_bool(BXPN_RESTORE_FLAG)->get()) {
|
||
if (!SIM->restore_logopts()) {
|
||
BX_PANIC(("cannot restore log options"));
|
||
SIM->get_param_bool(BXPN_RESTORE_FLAG)->set(0);
|
||
}
|
||
}
|
||
|
||
// will enable A20 line and reset CPU and devices
|
||
bx_pc_system.Reset(BX_RESET_HARDWARE);
|
||
|
||
if (SIM->get_param_bool(BXPN_RESTORE_FLAG)->get()) {
|
||
if (SIM->restore_hardware()) {
|
||
bx_sr_after_restore_state();
|
||
} else {
|
||
BX_PANIC(("cannot restore hardware state"));
|
||
SIM->get_param_bool(BXPN_RESTORE_FLAG)->set(0);
|
||
}
|
||
}
|
||
|
||
bx_gui->init_signal_handlers();
|
||
bx_pc_system.start_timers();
|
||
|
||
BX_DEBUG(("bx_init_hardware is setting signal handlers"));
|
||
// if not using debugger, then we can take control of SIGINT.
|
||
#if !BX_DEBUGGER
|
||
signal(SIGINT, bx_signal_handler);
|
||
#endif
|
||
|
||
#if BX_SHOW_IPS
|
||
#if !defined(__MINGW32__) && !defined(_MSC_VER)
|
||
signal(SIGALRM, bx_signal_handler);
|
||
#endif
|
||
alarm(1);
|
||
#endif
|
||
}
|
||
|
||
void bx_init_bx_dbg(void)
|
||
{
|
||
#if BX_DEBUGGER
|
||
bx_dbg_init_infile();
|
||
#endif
|
||
bx_dbg.floppy = 0;
|
||
bx_dbg.keyboard = 0;
|
||
bx_dbg.video = 0;
|
||
bx_dbg.disk = 0;
|
||
bx_dbg.pit = 0;
|
||
bx_dbg.pic = 0;
|
||
bx_dbg.bios = 0;
|
||
bx_dbg.cmos = 0;
|
||
bx_dbg.a20 = 0;
|
||
bx_dbg.interrupts = 0;
|
||
bx_dbg.exceptions = 0;
|
||
bx_dbg.mouse = 0;
|
||
bx_dbg.io = 0;
|
||
bx_dbg.debugger = 0;
|
||
bx_dbg.dma = 0;
|
||
bx_dbg.unsupported_io = 0;
|
||
bx_dbg.record_io = 0;
|
||
bx_dbg.serial = 0;
|
||
bx_dbg.cdrom = 0;
|
||
#if BX_DEBUGGER
|
||
bx_dbg.magic_break_enabled = 0;
|
||
#endif
|
||
#if BX_GDBSTUB
|
||
bx_dbg.gdbstub_enabled = 0;
|
||
#endif
|
||
}
|
||
|
||
int bx_atexit(void)
|
||
{
|
||
if (!SIM->get_init_done()) return 1; // protect from reentry
|
||
|
||
// in case we ended up in simulation mode, change back to config mode
|
||
// so that the user can see any messages left behind on the console.
|
||
SIM->set_display_mode(DISP_MODE_CONFIG);
|
||
|
||
#if BX_DEBUGGER == 0
|
||
if (SIM && SIM->get_init_done()) {
|
||
for (int cpu=0; cpu<BX_SMP_PROCESSORS; cpu++)
|
||
#if BX_SUPPORT_SMP
|
||
if (BX_CPU(cpu))
|
||
#endif
|
||
BX_CPU(cpu)->atexit();
|
||
}
|
||
#endif
|
||
|
||
BX_MEM(0)->cleanup_memory();
|
||
|
||
#if BX_PROVIDE_DEVICE_MODELS
|
||
bx_pc_system.exit();
|
||
#endif
|
||
|
||
// restore signal handling to defaults
|
||
#if BX_DEBUGGER == 0
|
||
BX_INFO(("restoring default signal behavior"));
|
||
signal(SIGINT, SIG_DFL);
|
||
#endif
|
||
|
||
#if BX_SHOW_IPS
|
||
#if !defined(__MINGW32__) && !defined(_MSC_VER)
|
||
signal(SIGALRM, SIG_DFL);
|
||
#endif
|
||
#endif
|
||
|
||
SIM->set_init_done(0);
|
||
|
||
return 0;
|
||
}
|
||
|
||
void CDECL bx_signal_handler(int signum)
|
||
{
|
||
// in a multithreaded environment, a signal such as SIGINT can be sent to all
|
||
// threads. This function is only intended to handle signals in the
|
||
// simulator thread. It will simply return if called from any other thread.
|
||
// Otherwise the BX_PANIC() below can be called in multiple threads at
|
||
// once, leading to multiple threads trying to display a dialog box,
|
||
// leading to GUI deadlock.
|
||
if (!SIM->is_sim_thread()) {
|
||
BX_INFO (("bx_signal_handler: ignored sig %d because it wasn't called from the simulator thread", signum));
|
||
return;
|
||
}
|
||
#if BX_GUI_SIGHANDLER
|
||
if (bx_gui_sighandler) {
|
||
// GUI signal handler gets first priority, if the mask says it's wanted
|
||
if ((1<<signum) & bx_gui->get_sighandler_mask()) {
|
||
bx_gui->sighandler(signum);
|
||
return;
|
||
}
|
||
}
|
||
#endif
|
||
|
||
#if BX_SHOW_IPS
|
||
static Bit64u ticks_count = 0;
|
||
static Bit64u counts = 0;
|
||
|
||
if (signum == SIGALRM)
|
||
{
|
||
// amount of system ticks passed from last time the handler was called
|
||
Bit64u ips_count = bx_pc_system.time_ticks() - ticks_count;
|
||
if (ips_count) {
|
||
bx_gui->show_ips((Bit32u) ips_count);
|
||
ticks_count = bx_pc_system.time_ticks();
|
||
counts++;
|
||
if (bx_dbg.print_timestamps) {
|
||
printf("IPS: %u\taverage = %u\t\t(%us)\n",
|
||
(unsigned) ips_count, (unsigned) (ticks_count/counts), (unsigned) counts);
|
||
}
|
||
}
|
||
#if !defined(__MINGW32__) && !defined(_MSC_VER)
|
||
signal(SIGALRM, bx_signal_handler);
|
||
alarm(1);
|
||
#endif
|
||
return;
|
||
}
|
||
#endif
|
||
|
||
#if BX_GUI_SIGHANDLER
|
||
if (bx_gui_sighandler) {
|
||
if ((1<<signum) & bx_gui->get_sighandler_mask ()) {
|
||
bx_gui->sighandler(signum);
|
||
return;
|
||
}
|
||
}
|
||
#endif
|
||
|
||
BX_PANIC(("SIGNAL %u caught", signum));
|
||
}
|