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d238f77066
Bochs/bochs/main.cc
Bryce Denney d238f77066 - clean up compiler warnings
2001-06-11 20:39:05 +00:00

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// Copyright (C) 2001 MandrakeSoft S.A.
//
// MandrakeSoft S.A.
// 43, rue d'Aboukir
// 75002 Paris - France
// http://www.linux-mandrake.com/
// http://www.mandrakesoft.com/
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#include "bochs.h"
#include <assert.h>
#include "state_file.h"
extern "C" {
#include <signal.h>
}
#ifdef __MINGW32__
void alarm(int);
#endif
#if BX_PROVIDE_DEVICE_MODELS==1
// some prototypes from iodev/
// I want to stay away from including iodev/iodev.h here
Bit32u bx_unmapped_io_read_handler(Bit32u address, unsigned io_len);
void bx_unmapped_io_write_handler(Bit32u address, Bit32u value,
unsigned io_len);
void bx_close_harddrive(void);
#endif
void bx_init_bx_dbg (void);
void bx_emulate_hga_dumps_timer(void);
static char *divider = "========================================================================";
/* typedefs */
#if ( BX_PROVIDE_DEVICE_MODELS==1 )
bx_pc_system_c bx_pc_system;
class state_file state_stuff("state_file.out", "options");
#endif
bx_debug_t bx_dbg;
bx_options_t bx_options = {
{ "", BX_FLOPPY_NONE, BX_EJECTED }, // floppya
{ "", BX_FLOPPY_NONE, BX_EJECTED }, // floppyb
{ 0, "", 0, 0, 0 }, // diskc
{ 0, "", 0, 0, 0 }, // diskd
{ 0, "", 0 }, // cdromd
{ NULL, 0 }, // rom
{ NULL }, // vgarom
{ BX_DEFAULT_MEM_MEGS }, // memory
{ 0, NULL, NULL, NULL, 0, 0, 0, 0 }, // SB16
"a", // boot drive
300000, // vga update interval
20000, // default keyboard serial path delay (usec)
50000, // default floppy command delay (usec)
500000, // default ips (instructions-per-second)
0, // default mouse_enabled
0, // default private_colormap
0, // default i440FXSupport
{NULL, 0}, // cmos path, cmos image boolean
{ 0, 0, 0, {0,0,0,0,0,0}, NULL, NULL }, // ne2k
1, // newHardDriveSupport
{ 0, NULL, NULL, NULL }, // load32bitOSImage hack stuff
// log options: ignore debug, report info and error, crash on panic.
{ "-", { ACT_IGNORE, ACT_REPORT, ACT_REPORT, ACT_ASK } },
};
static void parse_line_unformatted(char *context, char *line);
static void parse_line_formatted(char *context, int num_params, char *params[]);
static int parse_bochsrc(char *rcfile);
// Just for the iofunctions
#define LOG_THIS this->log->
int Allocio=0;
void
iofunctions::flush(void) {
if(logfd && magic == MAGIC_LOGNUM) {
fflush(logfd);
}
}
void
iofunctions::init(void) {
// iofunctions methods must not be called before this magic
// number is set.
magic=MAGIC_LOGNUM;
showtick = 1;
n_logfn = 0;
init_log(stderr);
log = new logfunc_t(this);
LOG_THIS setprefix("[IO ]");
LOG_THIS settype(IOLOG);
BX_DEBUG(("Init(log file: '%s').",logfn));
}
void
iofunctions::add_logfn (logfunc_t *fn)
{
assert (n_logfn < MAX_LOGFNS);
logfn_list[n_logfn++] = fn;
}
void
iofunctions::set_log_action (int loglevel, int action)
{
for (int i=0; i<n_logfn; i++)
logfn_list[i]->setonoff(loglevel, action);
}
void
iofunctions::init_log(char *fn)
{
assert (magic==MAGIC_LOGNUM);
// use newfd/newfn so that we can log the message to the OLD log
// file descriptor.
FILE *newfd = stderr;
char *newfn = "/dev/stderr";
if( strcmp( fn, "-" ) != 0 ) {
newfd = fopen(fn, "w");
if(newfd != NULL) {
newfn = strdup(fn);
BX_DEBUG(("Opened log file '%s'.", fn ));
} else {
BX_DEBUG(("Log file '%s' not there?", fn));
newfd = NULL;
logfn = "(none)";
}
}
logfd = newfd;
logfn = newfn;
}
void
iofunctions::init_log(FILE *fs)
{
assert (magic==MAGIC_LOGNUM);
logfd = fs;
if(fs == stderr) {
logfn = "/dev/stderr";
} else if(fs == stdout) {
logfn = "/dev/stdout";
} else {
logfn = "(unknown)";
}
}
void
iofunctions::init_log(int fd)
{
assert (magic==MAGIC_LOGNUM);
FILE *tmpfd;
if( (tmpfd = fdopen(fd,"w")) == NULL ) {
BX_PANIC(("Couldn't open fd %d as a stream for writing", fd));
return;
}
init_log(tmpfd);
return;
};
// iofunctions::out( class, level, prefix, fmt, ap)
// DO NOT nest out() from ::info() and the like.
// fmt and ap retained for direct printinf from iofunctions only!
void
iofunctions::out(int f, int l, char *prefix, char *fmt, va_list ap)
{
assert (magic==MAGIC_LOGNUM);
assert (this != NULL);
assert (logfd != NULL);
if( showtick )
fprintf(logfd, "%011lld ", bx_pc_system.time_ticks());
if(prefix != NULL)
fprintf(logfd, "%s ", prefix);
if(l==LOGLEV_PANIC)
fprintf(logfd, ">>PANIC<< ");
vfprintf(logfd, fmt, ap);
fprintf(logfd, "\n");
fflush(logfd);
return;
}
iofunctions::iofunctions(FILE *fs)
{
init();
init_log(fs);
}
iofunctions::iofunctions(char *fn)
{
init();
init_log(fn);
}
iofunctions::iofunctions(int fd)
{
init();
init_log(fd);
}
iofunctions::iofunctions(void)
{
this->init();
}
iofunctions::~iofunctions(void)
{
// flush before erasing magic number, or flush does nothing.
this->flush();
this->magic=0;
}
#undef LOG_THIS
#define LOG_THIS genlog->
logfunctions::logfunctions(void)
{
setprefix("[ ]");
settype(GENLOG);
if(io == NULL && Allocio == 0) {
Allocio = 1;
io = new iofunc_t(stderr);
}
setio(io);
// BUG: unfortunately this can be called before the bochsrc is read,
// which means that the bochsrc has no effect on the actions.
for (int i=0; i<N_LOGLEV; i++)
onoff[i] = bx_options.log.actions[i];
}
logfunctions::logfunctions(iofunc_t *iofunc)
{
setprefix("[ ]");
settype(GENLOG);
setio(iofunc);
// BUG: unfortunately this can be called before the bochsrc is read,
// which means that the bochsrc has no effect on the actions.
for (int i=0; i<N_LOGLEV; i++)
onoff[i] = bx_options.log.actions[i];
}
logfunctions::~logfunctions(void)
{
}
void
logfunctions::setio(iofunc_t *i)
{
// add pointer to iofunction object to use
this->logio = i;
// give iofunction a pointer to me
i->add_logfn (this);
}
void
logfunctions::setprefix(char *p)
{
this->prefix=strdup(p);
}
void
logfunctions::settype(int t)
{
type=t;
}
void
logfunctions::info(char *fmt, ...)
{
va_list ap;
assert (this != NULL);
assert (this->logio != NULL);
if(!onoff[LOGLEV_INFO]) return;
va_start(ap, fmt);
this->logio->out(this->type,LOGLEV_INFO,this->prefix, fmt, ap);
if (onoff[LOGLEV_INFO] == ACT_ASK)
ask (LOGLEV_INFO, this->prefix, fmt, ap);
if (onoff[LOGLEV_INFO] == ACT_FATAL)
fatal (this->prefix, fmt, ap);
va_end(ap);
}
void
logfunctions::error(char *fmt, ...)
{
va_list ap;
assert (this != NULL);
assert (this->logio != NULL);
if(!onoff[LOGLEV_ERROR]) return;
va_start(ap, fmt);
this->logio->out(this->type,LOGLEV_ERROR,this->prefix, fmt, ap);
if (onoff[LOGLEV_ERROR] == ACT_ASK)
ask (LOGLEV_ERROR, this->prefix, fmt, ap);
if (onoff[LOGLEV_ERROR] == ACT_FATAL)
fatal (this->prefix, fmt, ap);
va_end(ap);
}
void
logfunctions::panic(char *fmt, ...)
{
va_list ap;
assert (this != NULL);
assert (this->logio != NULL);
if(!onoff[LOGLEV_PANIC]) return;
va_start(ap, fmt);
this->logio->out(this->type,LOGLEV_PANIC,this->prefix, fmt, ap);
if (onoff[LOGLEV_PANIC] == ACT_ASK)
ask (LOGLEV_PANIC, this->prefix, fmt, ap);
if (onoff[LOGLEV_PANIC] == ACT_FATAL)
fatal (this->prefix, fmt, ap);
va_end(ap);
}
void
logfunctions::ldebug(char *fmt, ...)
{
va_list ap;
assert (this != NULL);
assert (this->logio != NULL);
if(!onoff[LOGLEV_DEBUG]) return;
va_start(ap, fmt);
this->logio->out(this->type,LOGLEV_DEBUG,this->prefix, fmt, ap);
if (onoff[LOGLEV_DEBUG] == ACT_ASK)
ask (LOGLEV_DEBUG, this->prefix, fmt, ap);
if (onoff[LOGLEV_DEBUG] == ACT_FATAL)
fatal (this->prefix, fmt, ap);
va_end(ap);
}
void
logfunctions::ask (int level, char *prefix, char *fmt, va_list ap)
{
#if BX_USE_CONTROL_PANEL
char buf1[1024], buf2[1024];
vsprintf (buf1, fmt, ap);
sprintf (buf2, "%s %s", prefix, buf1);
// FIXME: facility set to 0 because it's unknown.
int val = SIM->LOCAL_log_msg (prefix, level, buf2);
switch (val)
{
case 0: // user chose continue
break;
case 1: // user said continue, and don't ask for this facility again.
setonoff (level, ACT_REPORT);
break;
case 2: // user chose die
fatal (prefix, fmt, ap);
}
#endif
}
void
logfunctions::fatal (char *prefix, char *fmt, va_list ap)
{
static int fatal_reentry = 0;
if (fatal_reentry) return;
fatal_reentry++;
bx_atexit();
fprintf (stderr, "%s\n", divider);
fprintf (stderr, "Bochs is exiting with the following message:\n");
fprintf (stderr, "%s ", prefix);
vfprintf (stderr, fmt, ap);
fprintf (stderr, "\n%s\n", divider);
#if 0 && defined(WIN32)
#error disabled because it is not working yet!
// wait for a keypress before quitting. Depending on how bochs is
// installed, the console window can disappear before the user has
// a chance to read the final message.
fprintf (stderr, "\n\nPress Enter to exit...\n");
char buf[8];
fgets (buf, 8, stdin);
#endif
#if !BX_DEBUGGER
exit(1);
#else
static Boolean dbg_exit_called = 0;
if (dbg_exit_called == 0) {
dbg_exit_called = 1;
bx_dbg_exit(1);
}
#endif
fatal_reentry--;
}
iofunc_t *io = NULL;
logfunc_t *genlog = NULL;
void bx_center_print (FILE *file, char *line, int maxwidth)
{
int imax;
imax = (maxwidth - strlen(line)) >> 1;
for (int i=0; i<imax; i++) fputc (' ', file);
fputs (line, file);
}
void bx_print_header ()
{
fprintf (stderr, "%s\n", divider);
char buffer[128];
sprintf (buffer, "Bochs x86 Emulator %s\n", VER_STRING);
bx_center_print (stderr, buffer, 72);
if (REL_STRING[0]) {
sprintf (buffer, "%s\n", REL_STRING);
bx_center_print (stderr, buffer, 72);
}
fprintf (stderr, "%s\n", divider);
}
int
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.
SAFE_GET_IOFUNC();
SAFE_GET_GENLOG();
bx_print_header ();
bx_init_bx_dbg ();
int read_rc_already = 0;
#if BX_USE_CONTROL_PANEL
// Display the pre-simulation control panel.
init_siminterface ();
if ((bx_control_panel (BX_CPANEL_START_MAIN)) != BX_DISABLE_CONTROL_PANEL)
read_rc_already = 1;
#endif
if (!read_rc_already) {
/* parse configuration file and command line arguments */
char *bochsrc = bx_find_bochsrc ();
if (bochsrc)
bx_read_configuration (bochsrc, argc, argv);
if (bochsrc == NULL && argc == 1) {
// no bochsrc used. This is legal since they may have
// everything on the command line. However if they have no
// arguments then give them some friendly advice.
fprintf (stderr, "%s\n", divider);
fprintf (stderr, "Before running Bochs, you should cd to a directory which contains\n");
fprintf (stderr, "a .bochsrc file and a disk image. If you downloaded a binary package,\n");
fprintf (stderr, "all the necessary files are already on your disk.\n");
#if defined(WIN32)
fprintf (stderr, "\nFor Windows installations, go to the dlxlinux direectory and\n");
fprintf (stderr, "double-click on the start.bat script.\n");
#elif !defined(macintosh)
fprintf (stderr, "\nFor UNIX installations, try running \"bochs-dlx\" for a demo. This script\n");
fprintf (stderr, "is basically equivalent to typing:\n");
fprintf (stderr, " cd /usr/local/bochs/dlxlinux\n");
fprintf (stderr, " bochs\n");
#endif
exit(1);
}
}
#if BX_DEBUGGER
// If using the debugger, it will take control and call
// bx_init_hardware() and cpu_loop()
bx_dbg_main(argc, argv);
#else
bx_init_hardware();
if (bx_options.load32bitOSImage.whichOS) {
void bx_load32bitOSimagehack(void);
bx_load32bitOSimagehack();
}
#if BX_USE_CONTROL_PANEL
SIM->set_init_done (1);
#endif
if (BX_SMP_PROCESSORS == 1) {
// only one processor, run as fast as possible by not messing with
// quantums and loops.
BX_CPU(0)->cpu_loop(1);
} else {
// SMP simulation: do 5 instructions on each processor, then switch
// to another. I'm sure that increasing quantum speeds up overall
// performance.
int processor = 0;
int quantum = 5;
while (1) {
// do some instructions in each processor
BX_CPU(processor)->cpu_loop(quantum);
processor = (processor+1) % BX_SMP_PROCESSORS;
if (processor == 0)
BX_TICKN(quantum);
}
}
#endif
return(0);
}
int
bx_read_configuration (char *rcfile, int argc, char *argv[])
{
// parse rcfile first, then parse arguments in order.
BX_INFO (("reading configuration from %s", rcfile));
if (parse_bochsrc(rcfile) < 0) {
BX_ERROR (("reading from %s failed", rcfile));
return -1;
}
if (argc > 1)
BX_INFO (("parsing command line arguments"));
int n = 2;
while (n <= argc) {
parse_line_unformatted("cmdline args", argv[n-1]);
n++;
}
return 0;
}
int
bx_init_hardware()
{
// This function used to
// all configuration has been read, now initialize everything.
for (int level=0; level<N_LOGLEV; level++)
io->set_log_action (level, bx_options.log.actions[level]);
bx_pc_system.init_ips(bx_options.ips);
if(bx_options.log.filename[0]!='-') {
BX_INFO (("using log file %s", bx_options.log.filename));
io->init_log(bx_options.log.filename);
}
// set up memory and CPU objects
#if BX_APIC_SUPPORT
memset(apic_index, 0, sizeof(apic_index[0]) * APIC_MAX_ID);
#endif
#if BX_SMP_PROCESSORS==1
BX_MEM(0)->init_memory(bx_options.memory.megs * 1024*1024);
BX_MEM(0)->load_ROM(bx_options.rom.path, bx_options.rom.address);
BX_MEM(0)->load_ROM(bx_options.vgarom.path, 0xc0000);
BX_CPU(0)->init (BX_MEM(0));
BX_CPU(0)->reset(BX_RESET_HARDWARE);
#else
// SMP initialization
bx_mem_array[0] = new BX_MEM_C ();
bx_mem_array[0]->init_memory(bx_options.memory.megs * 1024*1024);
bx_mem_array[0]->load_ROM(bx_options.rom.path, bx_options.rom.address);
bx_mem_array[0]->load_ROM(bx_options.vgarom.path, 0xc0000);
for (int i=0; i<BX_SMP_PROCESSORS; i++) {
BX_CPU(i) = new BX_CPU_C ();
BX_CPU(i)->init (bx_mem_array[0]);
// assign apic ID from the index of this loop
// if !BX_APIC_SUPPORT, this will not compile.
BX_CPU(i)->local_apic.set_id (i);
BX_CPU(i)->reset(BX_RESET_HARDWARE);
}
#endif
#if BX_DEBUGGER == 0
bx_devices.init(BX_MEM(0));
bx_gui.init_signal_handlers ();
bx_pc_system.start_timers();
#endif
BX_DEBUG(("bx_init_hardware is setting signal handlers"));
// if not using debugger, then we can take control of SIGINT.
// If using debugger, it needs control of this.
#if BX_DEBUGGER==0
signal(SIGINT, bx_signal_handler);
#endif
#if BX_SHOW_IPS
#ifndef __MINGW32__
signal(SIGALRM, bx_signal_handler);
#endif
alarm( 1 );
#endif
return(0);
}
void
bx_init_bx_dbg (void)
{
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.unsupported = 0;
bx_dbg.temp = 0;
bx_dbg.reset = 0;
bx_dbg.mouse = 0;
bx_dbg.io = 0;
bx_dbg.debugger = 0;
bx_dbg.xms = 0;
bx_dbg.v8086 = 0;
bx_dbg.paging = 0;
bx_dbg.creg = 0;
bx_dbg.dreg = 0;
bx_dbg.dma = 0;
bx_dbg.unsupported_io = 0;
bx_dbg.record_io = 0;
bx_dbg.serial = 0;
bx_dbg.cdrom = 0;
#ifdef MAGIC_BREAKPOINT
bx_dbg.magic_break_enabled = 0;
#endif
}
void
bx_atexit(void)
{
static Boolean been_here = 0;
#if BX_PROVIDE_DEVICE_MODELS==1
if (been_here == 0) {
bx_pc_system.exit();
}
#endif
#if BX_DEBUGGER == 0
for (int cpu=0; cpu<BX_SMP_PROCESSORS; cpu++)
if (BX_CPU(cpu)) BX_CPU(cpu)->atexit();
#endif
#if BX_PCI_SUPPORT
if (bx_options.i440FXSupport) {
bx_devices.pci->print_i440fx_state();
}
#endif
}
#if (BX_PROVIDE_CPU_MEMORY==1) && (BX_EMULATE_HGA_DUMPS>0)
void
bx_emulate_hga_dumps_timer(void)
{
void bx_hga_set_video_memory(Bit8u *ptr);
bx_hga_set_video_memory(&bx_phy_memory[0xb0000]);
}
#endif
#if BX_PROVIDE_MAIN
char *
bx_find_bochsrc ()
{
FILE *fd = NULL;
char rcfile[512];
Bit32u retry = 0, found = 0;
// try several possibilities for the bochsrc before giving up
while (!found) {
rcfile[0] = 0;
switch (retry++) {
case 0: strcpy (rcfile, ".bochsrc"); break;
case 1: strcpy (rcfile, "bochsrc"); break;
case 2: strcpy (rcfile, "bochsrc.txt"); break;
case 3:
#if (!defined(WIN32) && !defined(macintosh))
// only try this on unix
{
char *ptr = getenv("HOME");
if (ptr) sprintf (rcfile, "%s/.bochsrc", ptr);
}
#endif
break;
default:
return NULL;
}
if (rcfile[0]) {
BX_DEBUG (("looking for configuration in %s", rcfile));
fd = fopen(rcfile, "r");
if (fd) found = 1;
}
}
assert (fd != NULL && rcfile[0] != 0);
fclose (fd);
return strdup (rcfile);
}
static int
parse_bochsrc(char *rcfile)
{
FILE *fd = NULL;
char *ret;
char line[512];
// try several possibilities for the bochsrc before giving up
fd = fopen (rcfile, "r");
if (!fd) return -1;
do {
ret = fgets(line, sizeof(line)-1, fd);
line[sizeof(line) - 1] = '\0';
int len = strlen(line);
if (len>0)
line[len-1] = '\0';
if ((ret != NULL) && strlen(line)) {
parse_line_unformatted(rcfile, line);
}
} while (!feof(fd));
return 0;
}
static void
parse_line_unformatted(char *context, char *line)
{
char *ptr;
unsigned i, string_i;
char string[512];
char *params[40];
int num_params;
Boolean inquotes = 0;
if (line == NULL) return;
// if passed nothing but whitespace, just return
for (i=0; i<strlen(line); i++) {
if (!isspace(line[i])) break;
}
if (i>=strlen(line))
return;
num_params = 0;
ptr = strtok(line, ":");
while (ptr) {
string_i = 0;
for (i=0; i<strlen(ptr); i++) {
if (ptr[i] == '"')
inquotes = !inquotes;
else
if (!isspace(ptr[i]) || inquotes) {
string[string_i++] = ptr[i];
}
}
string[string_i] = '\0';
strcpy(ptr, string);
params[num_params++] = ptr;
ptr = strtok(NULL, ",");
}
parse_line_formatted(context, num_params, &params[0]);
}
static void
parse_line_formatted(char *context, int num_params, char *params[])
{
int i;
if (num_params < 1) return;
if (params[0][0] == '#') return; /* comment */
else if (!strcmp(params[0], "floppya")) {
for (i=1; i<num_params; i++) {
if (!strncmp(params[i], "2_88=", 5)) {
strcpy(bx_options.floppya.path, &params[i][5]);
bx_options.floppya.type = BX_FLOPPY_2_88;
}
else if (!strncmp(params[i], "1_44=", 5)) {
strcpy(bx_options.floppya.path, &params[i][5]);
bx_options.floppya.type = BX_FLOPPY_1_44;
}
else if (!strncmp(params[i], "1_2=", 4)) {
strcpy(bx_options.floppya.path, &params[i][4]);
bx_options.floppya.type = BX_FLOPPY_1_2;
}
else if (!strncmp(params[i], "720k=", 5)) {
strcpy(bx_options.floppya.path, &params[i][5]);
bx_options.floppya.type = BX_FLOPPY_720K;
}
else if (!strncmp(params[i], "status=ejected", 14)) {
bx_options.floppya.initial_status = BX_EJECTED;
}
else if (!strncmp(params[i], "status=inserted", 15)) {
bx_options.floppya.initial_status = BX_INSERTED;
}
else {
BX_PANIC(("%s: floppya attribute '%s' not understood.", context,
params[i]));
}
}
}
else if (!strcmp(params[0], "floppyb")) {
for (i=1; i<num_params; i++) {
if (!strncmp(params[i], "2_88=", 5)) {
strcpy(bx_options.floppyb.path, &params[i][5]);
bx_options.floppyb.type = BX_FLOPPY_2_88;
}
else if (!strncmp(params[i], "1_44=", 5)) {
strcpy(bx_options.floppyb.path, &params[i][5]);
bx_options.floppyb.type = BX_FLOPPY_1_44;
}
else if (!strncmp(params[i], "1_2=", 4)) {
strcpy(bx_options.floppyb.path, &params[i][4]);
bx_options.floppyb.type = BX_FLOPPY_1_2;
}
else if (!strncmp(params[i], "720k=", 5)) {
strcpy(bx_options.floppyb.path, &params[i][5]);
bx_options.floppyb.type = BX_FLOPPY_720K;
}
else if (!strncmp(params[i], "status=ejected", 14)) {
bx_options.floppyb.initial_status = BX_EJECTED;
}
else if (!strncmp(params[i], "status=inserted", 15)) {
bx_options.floppyb.initial_status = BX_INSERTED;
}
else {
BX_PANIC(("%s: floppyb attribute '%s' not understood.", context,
params[i]));
}
}
}
else if (!strcmp(params[0], "diskc")) {
if (num_params != 5) {
BX_PANIC(("%s: diskc directive malformed.", context));
}
if (strncmp(params[1], "file=", 5) ||
strncmp(params[2], "cyl=", 4) ||
strncmp(params[3], "heads=", 6) ||
strncmp(params[4], "spt=", 4)) {
BX_PANIC(("%s: diskc directive malformed.", context));
}
strcpy(bx_options.diskc.path, &params[1][5]);
bx_options.diskc.cylinders = atol( &params[2][4] );
bx_options.diskc.heads = atol( &params[3][6] );
bx_options.diskc.spt = atol( &params[4][4] );
bx_options.diskc.present = 1;
}
else if (!strcmp(params[0], "diskd")) {
if (num_params != 5) {
BX_PANIC(("%s: diskd directive malformed.", context));
}
if (strncmp(params[1], "file=", 5) ||
strncmp(params[2], "cyl=", 4) ||
strncmp(params[3], "heads=", 6) ||
strncmp(params[4], "spt=", 4)) {
BX_PANIC(("%s: diskd directive malformed.", context));
}
strcpy(bx_options.diskd.path, &params[1][5]);
bx_options.diskd.cylinders = atol( &params[2][4] );
bx_options.diskd.heads = atol( &params[3][6] );
bx_options.diskd.spt = atol( &params[4][4] );
bx_options.diskd.present = 1;
}
else if (!strcmp(params[0], "cdromd")) {
if (num_params != 3) {
BX_PANIC(("%s: cdromd directive malformed.", context));
}
if (strncmp(params[1], "dev=", 4) || strncmp(params[2], "status=", 7)) {
BX_PANIC(("%s: cdromd directive malformed.", context));
}
strcpy(bx_options.cdromd.dev, &params[1][4]);
if (!strcmp(params[2], "status=inserted"))
bx_options.cdromd.inserted = 1;
else if (!strcmp(params[2], "status=ejected"))
bx_options.cdromd.inserted = 0;
else {
BX_PANIC(("%s: cdromd directive malformed.", context));
}
bx_options.cdromd.present = 1;
}
else if (!strcmp(params[0], "boot")) {
if (!strcmp(params[1], "a") ||
!strcmp(params[1], "c")) {
strcpy(bx_options.bootdrive, params[1]);
}
else {
BX_PANIC(("%s: boot directive with unknown boot device '%s'. use 'a' or 'c'.", context, params[1]));
}
}
else if (!strcmp(params[0], "log")) {
if (num_params != 2) {
BX_PANIC(("%s: log directive has wrong # args.", context));
}
strcpy(bx_options.log.filename, params[1]);
}
else if (!strcmp(params[0], "panic")) {
if (num_params != 2) {
BX_PANIC(("%s: panic directive malformed.", context));
}
if (strncmp(params[1], "action=", 7)) {
BX_PANIC(("%s: panic directive malformed.", context));
}
char *action = 7 + params[1];
if (!strcmp(action, "fatal"))
bx_options.log.actions[LOGLEV_PANIC] = ACT_FATAL;
else if (!strcmp (action, "report"))
bx_options.log.actions[LOGLEV_PANIC] = ACT_REPORT;
else if (!strcmp (action, "ignore"))
bx_options.log.actions[LOGLEV_PANIC] = ACT_IGNORE;
else if (!strcmp (action, "ask"))
bx_options.log.actions[LOGLEV_PANIC] = ACT_ASK;
else {
BX_PANIC(("%s: panic directive malformed.", context));
}
}
else if (!strcmp(params[0], "error")) {
if (num_params != 2) {
BX_PANIC(("%s: error directive malformed.", context));
}
if (strncmp(params[1], "action=", 7)) {
BX_PANIC(("%s: error directive malformed.", context));
}
char *action = 7 + params[1];
if (!strcmp(action, "fatal"))
bx_options.log.actions[LOGLEV_ERROR] = ACT_FATAL;
else if (!strcmp (action, "report"))
bx_options.log.actions[LOGLEV_ERROR] = ACT_REPORT;
else if (!strcmp (action, "ignore"))
bx_options.log.actions[LOGLEV_ERROR] = ACT_IGNORE;
else if (!strcmp (action, "ask"))
bx_options.log.actions[LOGLEV_PANIC] = ACT_ASK;
else {
BX_PANIC(("%s: error directive malformed.", context));
}
}
else if (!strcmp(params[0], "info")) {
if (num_params != 2) {
BX_PANIC(("%s: info directive malformed.", context));
}
if (strncmp(params[1], "action=", 7)) {
BX_PANIC(("%s: info directive malformed.", context));
}
char *action = 7 + params[1];
if (!strcmp(action, "fatal"))
bx_options.log.actions[LOGLEV_INFO] = ACT_FATAL;
else if (!strcmp (action, "report"))
bx_options.log.actions[LOGLEV_INFO] = ACT_REPORT;
else if (!strcmp (action, "ignore"))
bx_options.log.actions[LOGLEV_INFO] = ACT_IGNORE;
else if (!strcmp (action, "ask"))
bx_options.log.actions[LOGLEV_PANIC] = ACT_ASK;
else {
BX_PANIC(("%s: info directive malformed.", context));
}
}
else if (!strcmp(params[0], "debug")) {
if (num_params != 2) {
BX_PANIC(("%s: debug directive malformed.", context));
}
if (strncmp(params[1], "action=", 7)) {
BX_PANIC(("%s: debug directive malformed.", context));
}
char *action = 7 + params[1];
if (!strcmp(action, "fatal"))
bx_options.log.actions[LOGLEV_DEBUG] = ACT_FATAL;
else if (!strcmp (action, "report"))
bx_options.log.actions[LOGLEV_DEBUG] = ACT_REPORT;
else if (!strcmp (action, "ignore"))
bx_options.log.actions[LOGLEV_DEBUG] = ACT_IGNORE;
else if (!strcmp (action, "ask"))
bx_options.log.actions[LOGLEV_PANIC] = ACT_ASK;
else {
BX_PANIC(("%s: debug directive malformed.", context));
}
}
else if (!strcmp(params[0], "romimage")) {
if (num_params != 3) {
BX_PANIC(("%s: romimage directive: wrong # args.", context));
}
if (strncmp(params[1], "file=", 5)) {
BX_PANIC(("%s: romimage directive malformed.", context));
}
if (strncmp(params[2], "address=", 8)) {
BX_PANIC(("%s: romimage directive malformed.", context));
}
bx_options.rom.path = strdup(&params[1][5]);
if ( (params[2][8] == '0') && (params[2][9] == 'x') )
bx_options.rom.address = strtoul(&params[2][8], NULL, 16);
else
bx_options.rom.address = strtoul(&params[2][8], NULL, 10);
}
else if (!strcmp(params[0], "vgaromimage")) {
if (num_params != 2) {
BX_PANIC(("%s: vgaromimage directive: wrong # args.", context));
}
bx_options.vgarom.path = strdup(params[1]);
}
else if (!strcmp(params[0], "vga_update_interval")) {
if (num_params != 2) {
BX_PANIC(("%s: vga_update_interval directive: wrong # args.", context));
}
bx_options.vga_update_interval = atol(params[1]);
if (bx_options.vga_update_interval < 50000) {
BX_PANIC(("%s: vga_update_interval not big enough!", context));
}
}
else if (!strcmp(params[0], "keyboard_serial_delay")) {
if (num_params != 2) {
BX_PANIC(("%s: keyboard_serial_delay directive: wrong # args.", context));
}
bx_options.keyboard_serial_delay = atol(params[1]);
if (bx_options.keyboard_serial_delay < 5) {
BX_PANIC(("%s: keyboard_serial_delay not big enough!", context));
}
}
else if (!strcmp(params[0], "megs")) {
if (num_params != 2) {
BX_PANIC(("%s: megs directive: wrong # args.", context));
}
bx_options.memory.megs = atol(params[1]);
}
else if (!strcmp(params[0], "floppy_command_delay")) {
if (num_params != 2) {
BX_PANIC(("%s: floppy_command_delay directive: wrong # args.", context));
}
bx_options.floppy_command_delay = atol(params[1]);
if (bx_options.floppy_command_delay < 100) {
BX_PANIC(("%s: floppy_command_delay not big enough!", context));
}
}
else if (!strcmp(params[0], "ips")) {
if (num_params != 2) {
BX_PANIC(("%s: ips directive: wrong # args.", context));
}
bx_options.ips = atol(params[1]);
if (bx_options.ips < 200000) {
BX_INFO(("%s: WARNING: ips is AWFULLY low!", context));
}
}
else if (!strcmp(params[0], "mouse")) {
if (num_params != 2) {
BX_PANIC(("%s: mouse directive malformed.", context));
}
if (strncmp(params[1], "enabled=", 8)) {
BX_PANIC(("%s: mouse directive malformed.", context));
}
if (params[1][8] == '0')
bx_options.mouse_enabled = 0;
else if (params[1][8] == '1')
bx_options.mouse_enabled = 1;
else {
BX_PANIC(("%s: mouse directive malformed.", context));
}
}
else if (!strcmp(params[0], "private_colormap")) {
if (num_params != 2) {
BX_PANIC(("%s: private_colormap directive malformed.", context));
}
if (strncmp(params[1], "enabled=", 8)) {
BX_PANIC(("%s: private_colormap directive malformed.", context));
}
if (params[1][8] == '0')
bx_options.private_colormap = 0;
else if (params[1][8] == '1')
bx_options.private_colormap = 1;
else {
BX_PANIC(("%s: private_colormap directive malformed.", context));
}
}
else if (!strcmp(params[0], "sb16")) {
for (i=1; i<num_params; i++) {
bx_options.sb16.present = 1;
if (!strncmp(params[i], "midi=", 5)) {
bx_options.sb16.midifile = strdup(&params[i][5]);
}
else if (!strncmp(params[i], "midimode=", 9)) {
bx_options.sb16.midimode = atol(&params[i][9]);
}
else if (!strncmp(params[i], "wave=", 5)) {
bx_options.sb16.wavefile = strdup(&params[i][5]);
}
else if (!strncmp(params[i], "wavemode=", 9)) {
bx_options.sb16.wavemode = atol(&params[i][9]);
}
else if (!strncmp(params[i], "log=", 4)) {
bx_options.sb16.logfile = strdup(&params[i][4]);
}
else if (!strncmp(params[i], "loglevel=", 9)) {
bx_options.sb16.loglevel = atol(&params[i][9]);
}
else if (!strncmp(params[i], "dmatimer=", 9)) {
bx_options.sb16.dmatimer = atol(&params[i][9]);
}
}
}
else if (!strcmp(params[0], "i440fxsupport")) {
if (num_params != 2) {
BX_PANIC(("%s: i440FXSupport directive malformed.", context));
}
if (strncmp(params[1], "enabled=", 8)) {
BX_PANIC(("%s: i440FXSupport directive malformed.", context));
}
if (params[1][8] == '0')
bx_options.i440FXSupport = 0;
else if (params[1][8] == '1')
bx_options.i440FXSupport = 1;
else {
BX_PANIC(("%s: i440FXSupport directive malformed.", context));
}
}
else if (!strcmp(params[0], "newharddrivesupport")) {
if (num_params != 2) {
BX_PANIC(("%s: newharddrivesupport directive malformed.", context));
}
if (strncmp(params[1], "enabled=", 8)) {
BX_PANIC(("%s: newharddrivesupport directive malformed.", context));
}
if (params[1][8] == '0')
bx_options.newHardDriveSupport = 0;
else if (params[1][8] == '1')
bx_options.newHardDriveSupport = 1;
else {
BX_PANIC(("%s: newharddrivesupport directive malformed.", context));
}
}
else if (!strcmp(params[0], "cmosimage")) {
if (num_params != 2) {
BX_PANIC(("%s: cmosimage directive: wrong # args.", context));
}
bx_options.cmos.path = strdup(params[1]);
bx_options.cmos.cmosImage = 1; // CMOS Image is true
}
else if (!strcmp(params[0], "time0")) {
if (num_params != 2) {
BX_PANIC(("%s: time0 directive: wrong # args.", context));
}
bx_options.cmos.time0 = atoi(params[1]);
}
#ifdef MAGIC_BREAKPOINT
else if (!strcmp(params[0], "magic_break")) {
if (num_params != 2) {
BX_PANIC(("%s: magic_break directive: wrong # args.", context));
}
if (strncmp(params[1], "enabled=", 8)) {
BX_PANIC(("%s: magic_break directive malformed.", context));
}
if (params[1][8] == '0') {
BX_INFO(("Ignoring magic break points"));
bx_dbg.magic_break_enabled = 0;
}
else if (params[1][8] == '1') {
BX_INFO(("Stopping on magic break points"));
bx_dbg.magic_break_enabled = 1;
}
else {
BX_PANIC(("%s: magic_break directive malformed.", context));
}
}
#endif
else if (!strcmp(params[0], "ne2k")) {
int tmp[6];
bx_options.ne2k.valid = 0;
if ((num_params < 4) || (num_params > 6)) {
BX_PANIC(("%s: ne2k directive malformed.", context));
return;
}
bx_options.ne2k.ethmod = "null";
if (strncmp(params[1], "ioaddr=", 7)) {
BX_PANIC(("%s: ne2k directive malformed.", context));
return;
}
if (strncmp(params[2], "irq=", 4)) {
BX_PANIC(("%s: ne2k directive malformed.", context));
return;
}
if (strncmp(params[3], "mac=", 4)) {
BX_PANIC(("%s: ne2k directive malformed.", context));
return;
}
bx_options.ne2k.ioaddr = strtoul(&params[1][7], NULL, 16);
bx_options.ne2k.irq = atol(&params[2][4]);
i = sscanf(&params[3][4], "%x:%x:%x:%x:%x:%x",
&tmp[0],&tmp[1],&tmp[2],&tmp[3],&tmp[4],&tmp[5]);
if (i != 6) {
BX_PANIC(("%s: ne2k mac address malformed.", context));
return;
}
for (i=0;i<6;i++)
bx_options.ne2k.macaddr[i] = tmp[i];
if (num_params > 4) {
if (strncmp(params[4], "ethmod=", 7)) {
BX_PANIC(("%s: ne2k directive malformed.", context));
return;
}
bx_options.ne2k.ethmod = strdup(&params[4][7]);
if (num_params == 6) {
if (strncmp(params[5], "ethdev=", 7)) {
BX_PANIC(("%s: ne2k directive malformed.", context));
return;
}
bx_options.ne2k.ethdev = strdup(&params[5][7]);
}
}
bx_options.ne2k.valid = 1;
}
else if (!strcmp(params[0], "load32bitOSImage")) {
if ( (num_params!=4) && (num_params!=5) ) {
BX_PANIC(("%s: load32bitOSImage directive: wrong # args.", context));
}
if (strncmp(params[1], "os=", 3)) {
BX_PANIC(("%s: load32bitOSImage: directive malformed.", context));
}
if (!strcmp(&params[1][3], "nullkernel")) {
bx_options.load32bitOSImage.whichOS = Load32bitOSNullKernel;
}
else if (!strcmp(&params[1][3], "linux")) {
bx_options.load32bitOSImage.whichOS = Load32bitOSLinux;
}
else {
BX_PANIC(("%s: load32bitOSImage: unsupported OS.", context));
}
if (strncmp(params[2], "path=", 5)) {
BX_PANIC(("%s: load32bitOSImage: directive malformed.", context));
}
if (strncmp(params[3], "iolog=", 6)) {
BX_PANIC(("%s: load32bitOSImage: directive malformed.", context));
}
bx_options.load32bitOSImage.path = strdup(&params[2][5]);
bx_options.load32bitOSImage.iolog = strdup(&params[3][6]);
if (num_params == 5) {
if (strncmp(params[4], "initrd=", 7)) {
BX_PANIC(("%s: load32bitOSImage: directive malformed.", context));
}
bx_options.load32bitOSImage.initrd = strdup(&params[4][7]);
}
}
else {
BX_PANIC(( "%s: directive '%s' not understood", context, params[0]));
}
if (bx_options.diskd.present && bx_options.cdromd.present)
BX_PANIC(("At present, using both diskd and cdromd at once is not supported."));
}
static char *fdtypes[] = {
"none", "1_2", "1_44", "2_88", "720k"
};
int
bx_write_floppy_options (FILE *fp, int drive, bx_floppy_options *opt)
{
BX_ASSERT (drive==0 || drive==1);
if (opt->type == BX_FLOPPY_NONE) {
fprintf (fp, "# no floppy%c\n", (char)'a'+drive);
return 0;
}
BX_ASSERT (opt->type > BX_FLOPPY_NONE && opt->type <= BX_FLOPPY_LAST);
fprintf (fp, "floppy%c: %s=%s, status=%s\n",
(char)'a'+drive,
fdtypes[opt->type - BX_FLOPPY_NONE],
opt->path,
opt->initial_status==BX_EJECTED ? "ejected" : "inserted");
return 0;
}
int
bx_write_disk_options (FILE *fp, int drive, bx_disk_options *opt)
{
if (!opt->present) {
fprintf (fp, "# no disk%c\n", (char)'c'+drive);
return 0;
}
fprintf (fp, "disk%c: file=\"%s\", cyl=%d, heads=%d, spt=%d\n",
(char)'c'+drive,
opt->path,
opt->cylinders,
opt->heads,
opt->spt);
return 0;
}
int
bx_write_cdrom_options (FILE *fp, int drive, bx_cdrom_options *opt)
{
BX_ASSERT (drive == 0);
if (!opt->present) {
fprintf (fp, "# no cdromd\n");
return 0;
}
fprintf (fp, "cdromd: dev=%s, status=%s\n",
opt->dev,
opt->inserted ? "inserted" : "ejected");
return 0;
}
int
bx_write_sb16_options (FILE *fp, bx_sb16_options *opt)
{
if (!opt->present) {
fprintf (fp, "# no sb16\n");
return 0;
}
fprintf (fp, "sb16: midimode=%d, midi=%s, wavemode=%d, wave=%s, loglevel=%d, log=%s, dmatimer=%d\n", opt->midimode, opt->midifile, opt->wavemode, opt->wavefile, opt->loglevel, opt->logfile, opt->dmatimer);
return 0;
}
int
bx_write_ne2k_options (FILE *fp, bx_ne2k_options *opt)
{
if (!opt->valid) {
fprintf (fp, "# no ne2k\n");
return 0;
}
fprintf (fp, "ne2k: ioaddr=0x%x, irq=%d, mac=%02x:%02x:%02x:%02x:%02x:%02x, ethmod=%s, ethdev=%s\n",
opt->ioaddr,
opt->irq,
opt->macaddr[0],
opt->macaddr[1],
opt->macaddr[2],
opt->macaddr[3],
opt->macaddr[4],
opt->macaddr[5],
opt->ethmod,
opt->ethdev);
return 0;
}
int
bx_write_loader_options (FILE *fp, bx_load32bitOSImage_t *opt)
{
if (opt->whichOS == 0) {
fprintf (fp, "# no loader\n");
return 0;
}
BX_ASSERT(opt->whichOS == Load32bitOSLinux || opt->whichOS == Load32bitOSNullKernel);
fprintf (fp, "load32bitOSImage: os=%s, path=%s, iolog=%s, initrd=%s\n",
(opt->whichOS == Load32bitOSLinux) ? "linux" : "nullkernel",
opt->path,
opt->iolog,
opt->initrd);
return 0;
}
int
bx_write_log_options (FILE *fp, bx_log_options *opt)
{
fprintf (fp, "log: %s\n", opt->filename);
// no syntax to describe all the possible action settings for every
// device. Instead, take a vote and record the most popular action
// for each level of event.
int action_tally[N_ACT];
int most_popular_action[N_LOGLEV];
int i,lev;
for (lev = 0; lev < N_LOGLEV; lev++) {
// clear tally
for (i=0; i<N_ACT; i++)
action_tally[i] = 0;
// count how many devices use each action
for (i=0; i<io->get_n_logfns (); i++) {
logfunc_t *fn = io->get_logfn (i);
int action = fn->getonoff(lev);
BX_ASSERT (action >= 0 && action < N_ACT);
action_tally[action]++;
}
// count the votes
int best = 0, best_votes = action_tally[0];
for (i=1; i<N_ACT; i++) {
if (action_tally[i] > best_votes) {
best = i;
best_votes = action_tally[i];
}
}
most_popular_action[lev] = best;
}
fprintf (fp, "panic: action=%s\n",
io->getaction(most_popular_action[LOGLEV_PANIC]));
fprintf (fp, "error: action=%s\n",
io->getaction(most_popular_action[LOGLEV_ERROR]));
fprintf (fp, "info: action=%s\n",
io->getaction(most_popular_action[LOGLEV_INFO]));
fprintf (fp, "debug: action=%s\n",
io->getaction(most_popular_action[LOGLEV_DEBUG]));
return 0;
}
// return values:
// 0: written ok
// -1: failed
// -2: already exists, and overwrite was off
int
bx_write_configuration (char *rc, int overwrite)
{
BX_INFO (("write configuration to %s\n", rc));
// check if it exists. If so, only proceed if overwrite is set.
FILE *fp = fopen (rc, "r");
if (fp != NULL) {
fclose (fp);
if (!overwrite) return -2;
}
fp = fopen (rc, "w");
if (fp == NULL) return -1;
// finally it's open and we can start writing.
fprintf (fp, "# configuration file generated by Bochs\n");
// it would be nice to put this type of function as methods on
// the structs like bx_floppy_options::print or something.
bx_write_floppy_options (fp, 0, &bx_options.floppya);
bx_write_floppy_options (fp, 1, &bx_options.floppyb);
bx_write_disk_options (fp, 0, &bx_options.diskc);
bx_write_disk_options (fp, 1, &bx_options.diskd);
bx_write_cdrom_options (fp, 0, &bx_options.cdromd);
if (bx_options.rom.path)
fprintf (fp, "romimage: file=%s, address=0x%05x\n", bx_options.rom.path, (unsigned int)bx_options.rom.address);
else
fprintf (fp, "# no romimage\n");
if (bx_options.vgarom.path)
fprintf (fp, "vgaromimage: %s\n", bx_options.vgarom.path);
else
fprintf (fp, "# no vgaromimage\n");
fprintf (fp, "megs: %d\n", bx_options.memory.megs);
bx_write_sb16_options (fp, &bx_options.sb16);
fprintf (fp, "boot: %s\n", bx_options.bootdrive);
fprintf (fp, "vga_update_interval: %lu\n", bx_options.vga_update_interval);
fprintf (fp, "keyboard_serial_delay: %lu\n", bx_options.keyboard_serial_delay);
fprintf (fp, "floppy_command_delay: %lu\n", bx_options.floppy_command_delay);
fprintf (fp, "ips: %lu\n", bx_options.ips);
fprintf (fp, "mouse: enabled=%d\n", bx_options.mouse_enabled);
fprintf (fp, "private_colormap: enabled=%d\n", bx_options.private_colormap);
fprintf (fp, "i440fxsupport: enabled=%d\n", bx_options.i440FXSupport);
fprintf (fp, "time0: %u\n", bx_options.cmos.time0);
bx_write_ne2k_options (fp, &bx_options.ne2k);
fprintf (fp, "newharddrivesupport: enabled=%d\n", bx_options.newHardDriveSupport);
bx_write_loader_options (fp, &bx_options.load32bitOSImage);
bx_write_log_options (fp, &bx_options.log);
fclose (fp);
return 0;
}
#endif // #if BX_PROVIDE_MAIN
void
bx_signal_handler( int signum)
{
#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
extern unsigned long ips_count;
if (signum == SIGALRM ) {
BX_INFO(("ips = %lu", ips_count));
ips_count = 0;
#ifndef __MINGW32__
signal(SIGALRM, bx_signal_handler);
alarm( 1 );
#endif
return;
}
#endif
#if BX_GUI_SIGHANDLER
if ((1<<signum) & bx_gui.get_sighandler_mask ()) {
bx_gui.sighandler (signum);
return;
}
#endif
BX_PANIC(("SIGNAL %u caught", signum));
}
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