/*
* 86Box A hypervisor and IBM PC system emulator that specializes in
* running old operating systems and software designed for IBM
* PC systems and compatibles from 1981 through fairly recent
* system designs based on the PCI bus.
*
* This file is part of the 86Box distribution.
*
* Main emulator module where most things are controlled.
*
* Authors: Sarah Walker,
* Miran Grca,
* Fred N. van Kempen,
*
* Copyright 2008-2020 Sarah Walker.
* Copyright 2016-2020 Miran Grca.
* Copyright 2017-2020 Fred N. van Kempen.
* Copyright 2021 Laci bá'
* Copyright 2021 dob205
* Copyright 2021 Andreas J. Reichel.
* Copyright 2021-2022 Jasmine Iwanek.
*/
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#ifndef _WIN32
# include
#endif
#ifdef __APPLE__
# include
# include
# ifdef __aarch64__
# include
# endif
#endif
#define HAVE_STDARG_H
#include <86box/86box.h>
#include <86box/config.h>
#include <86box/mem.h>
#include "cpu.h"
#ifdef USE_DYNAREC
# include "codegen_public.h"
#endif
#include "x86_ops.h"
#include <86box/io.h>
#include <86box/rom.h>
#include <86box/dma.h>
#include <86box/pci.h>
#include <86box/pic.h>
#include <86box/timer.h>
#include <86box/device.h>
#include <86box/pit.h>
#include <86box/random.h>
#include <86box/nvr.h>
#include <86box/machine.h>
#include <86box/bugger.h>
#include <86box/postcard.h>
#include <86box/unittester.h>
#include <86box/novell_cardkey.h>
#include <86box/isamem.h>
#include <86box/isartc.h>
#include <86box/lpt.h>
#include <86box/serial.h>
#include <86box/serial_passthrough.h>
#include <86box/keyboard.h>
#include <86box/mouse.h>
#include <86box/gameport.h>
#include <86box/fdd.h>
#include <86box/fdc.h>
#include <86box/fdc_ext.h>
#include <86box/hdd.h>
#include <86box/hdc.h>
#include <86box/hdc_ide.h>
#include <86box/scsi.h>
#include <86box/scsi_device.h>
#include <86box/cdrom.h>
#include <86box/cdrom_interface.h>
#include <86box/zip.h>
#include <86box/mo.h>
#include <86box/scsi_disk.h>
#include <86box/cdrom_image.h>
#include <86box/thread.h>
#include <86box/network.h>
#include <86box/sound.h>
#include <86box/midi.h>
#include <86box/snd_speaker.h>
#include <86box/video.h>
#include <86box/ui.h>
#include <86box/path.h>
#include <86box/plat.h>
#include <86box/version.h>
#include <86box/gdbstub.h>
#include <86box/machine_status.h>
#include <86box/apm.h>
#include <86box/acpi.h>
// Disable c99-designator to avoid the warnings about int ng
#ifdef __clang__
# if __has_warning("-Wunused-but-set-variable")
# pragma clang diagnostic ignored "-Wunused-but-set-variable"
# endif
#endif
/* Stuff that used to be globally declared in plat.h but is now extern there
and declared here instead. */
int dopause = 1; /* system is paused */
atomic_flag doresize; /* screen resize requested */
volatile int is_quit; /* system exit requested */
uint64_t timer_freq;
char emu_version[200]; /* version ID string */
#ifdef MTR_ENABLED
int tracing_on = 0;
#endif
/* Commandline options. */
int dump_on_exit = 0; /* (O) dump regs on exit */
int start_in_fullscreen = 0; /* (O) start in fullscreen */
#ifdef _WIN32
int force_debug = 0; /* (O) force debug output */
#endif
#ifdef USE_WX
int video_fps = RENDER_FPS; /* (O) render speed in fps */
#endif
int settings_only = 0; /* (O) show only the settings dialog */
int confirm_exit_cmdl = 1; /* (O) do not ask for confirmation on quit if set to 0 */
#ifdef _WIN32
uint64_t unique_id = 0;
uint64_t source_hwnd = 0;
#endif
char rom_path[1024] = { '\0' }; /* (O) full path to ROMs */
rom_path_t rom_paths = { "", NULL }; /* (O) full paths to ROMs */
char log_path[1024] = { '\0' }; /* (O) full path of logfile */
char vm_name[1024] = { '\0' }; /* (O) display name of the VM */
int do_nothing = 0;
int dump_missing = 0;
int clear_cmos = 0;
#ifdef USE_INSTRUMENT
uint8_t instru_enabled = 0;
uint64_t instru_run_ms = 0;
#endif
int clear_flash = 0;
int auto_paused = 0;
/* Configuration values. */
int window_remember;
int vid_resize; /* (C) allow resizing */
int invert_display = 0; /* (C) invert the display */
int suppress_overscan = 0; /* (C) suppress overscans */
int scale = 0; /* (C) screen scale factor */
int dpi_scale = 0; /* (C) DPI scaling of the emulated
screen */
int vid_api = 0; /* (C) video renderer */
int vid_cga_contrast = 0; /* (C) video */
int video_fullscreen = 0; /* (C) video */
int video_fullscreen_scale = 0; /* (C) video */
int video_fullscreen_first = 0; /* (C) video */
int enable_overscan = 0; /* (C) video */
int force_43 = 0; /* (C) video */
int video_filter_method = 1; /* (C) video */
int video_vsync = 0; /* (C) video */
int video_framerate = -1; /* (C) video */
char video_shader[512] = { '\0' }; /* (C) video */
bool serial_passthrough_enabled[SERIAL_MAX] = { 0, 0, 0, 0 }; /* (C) activation and kind of
pass-through for serial ports */
int bugger_enabled = 0; /* (C) enable ISAbugger */
int novell_keycard_enabled = 0; /* (C) enable Novell NetWare 2.x key card emulation. */
int postcard_enabled = 0; /* (C) enable POST card */
int unittester_enabled = 0; /* (C) enable unit tester device */
int isamem_type[ISAMEM_MAX] = { 0, 0, 0, 0 }; /* (C) enable ISA mem cards */
int isartc_type = 0; /* (C) enable ISA RTC card */
int gfxcard[2] = { 0, 0 }; /* (C) graphics/video card */
int show_second_monitors = 1; /* (C) show non-primary monitors */
int sound_is_float = 1; /* (C) sound uses FP values */
int voodoo_enabled = 0; /* (C) video option */
int lba_enhancer_enabled = 0; /* (C) enable Vision Systems LBA Enhancer */
int ibm8514_standalone_enabled = 0; /* (C) video option */
int xga_standalone_enabled = 0; /* (C) video option */
uint32_t mem_size = 0; /* (C) memory size (Installed on
system board)*/
uint32_t isa_mem_size = 0; /* (C) memory size (ISA Memory Cards) */
int cpu_use_dynarec = 0; /* (C) cpu uses/needs Dyna */
int cpu = 0; /* (C) cpu type */
int fpu_type = 0; /* (C) fpu type */
int fpu_softfloat = 0; /* (C) fpu uses softfloat */
int time_sync = 0; /* (C) enable time sync */
int confirm_reset = 1; /* (C) enable reset confirmation */
int confirm_exit = 1; /* (C) enable exit confirmation */
int confirm_save = 1; /* (C) enable save confirmation */
int enable_discord = 0; /* (C) enable Discord integration */
int pit_mode = -1; /* (C) force setting PIT mode */
int fm_driver = 0; /* (C) select FM sound driver */
int open_dir_usr_path = 0; /* (C) default file open dialog directory
of usr_path */
int video_fullscreen_scale_maximized = 0; /* (C) Whether fullscreen scaling settings
also apply when maximized. */
int do_auto_pause = 0; /* (C) Auto-pause the emulator on focus
loss */
/* Statistics. */
extern int mmuflush;
extern int readlnum;
extern int writelnum;
/* emulator % */
int fps;
int framecount;
extern int CPUID;
extern int output;
int atfullspeed;
char exe_path[2048]; /* path (dir) of executable */
char usr_path[1024]; /* path (dir) of user data */
char cfg_path[1024]; /* full path of config file */
FILE *stdlog = NULL; /* file to log output to */
#if 0
int scrnsz_x = SCREEN_RES_X; /* current screen size, X */
int scrnsz_y = SCREEN_RES_Y; /* current screen size, Y */
#endif
int config_changed; /* config has changed */
int title_update;
int framecountx = 0;
int hard_reset_pending = 0;
#if 0
int unscaled_size_x = SCREEN_RES_X; /* current unscaled size X */
int unscaled_size_y = SCREEN_RES_Y; /* current unscaled size Y */
int efscrnsz_y = SCREEN_RES_Y;
#endif
static wchar_t mouse_msg[3][200];
static volatile atomic_int do_pause_ack = 0;
static volatile atomic_int pause_ack = 0;
#ifndef RELEASE_BUILD
static char buff[1024];
static int seen = 0;
static int suppr_seen = 1;
#endif
/*
* Log something to the logfile or stdout.
*
* To avoid excessively-large logfiles because some
* module repeatedly logs, we keep track of what is
* being logged, and catch repeating entries.
*/
void
pclog_ex(const char *fmt, va_list ap)
{
#ifndef RELEASE_BUILD
char temp[1024];
if (strcmp(fmt, "") == 0)
return;
if (stdlog == NULL) {
if (log_path[0] != '\0') {
stdlog = plat_fopen(log_path, "w");
if (stdlog == NULL)
stdlog = stdout;
} else
stdlog = stdout;
}
vsprintf(temp, fmt, ap);
if (suppr_seen && !strcmp(buff, temp))
seen++;
else {
if (suppr_seen && seen)
fprintf(stdlog, "*** %d repeats ***\n", seen);
seen = 0;
strcpy(buff, temp);
fprintf(stdlog, "%s", temp);
}
fflush(stdlog);
#endif
}
void
pclog_toggle_suppr(void)
{
#ifndef RELEASE_BUILD
suppr_seen ^= 1;
#endif
}
/* Log something. We only do this in non-release builds. */
void
pclog(const char *fmt, ...)
{
#ifndef RELEASE_BUILD
va_list ap;
va_start(ap, fmt);
pclog_ex(fmt, ap);
va_end(ap);
#endif
}
/* Log a fatal error, and display a UI message before exiting. */
void
fatal(const char *fmt, ...)
{
char temp[1024];
va_list ap;
char *sp;
va_start(ap, fmt);
if (stdlog == NULL) {
if (log_path[0] != '\0') {
stdlog = plat_fopen(log_path, "w");
if (stdlog == NULL)
stdlog = stdout;
} else
stdlog = stdout;
}
vsprintf(temp, fmt, ap);
fprintf(stdlog, "%s", temp);
fflush(stdlog);
va_end(ap);
nvr_save();
config_save();
#ifdef ENABLE_808X_LOG
dumpregs(1);
#endif
/* Make sure the message does not have a trailing newline. */
if ((sp = strchr(temp, '\n')) != NULL)
*sp = '\0';
/* Cleanly terminate all of the emulator's components so as
to avoid things like threads getting stuck. */
do_stop();
ui_msgbox(MBX_ERROR | MBX_FATAL | MBX_ANSI, temp);
fflush(stdlog);
exit(-1);
}
void
fatal_ex(const char *fmt, va_list ap)
{
char temp[1024];
char *sp;
if (stdlog == NULL) {
if (log_path[0] != '\0') {
stdlog = plat_fopen(log_path, "w");
if (stdlog == NULL)
stdlog = stdout;
} else
stdlog = stdout;
}
vsprintf(temp, fmt, ap);
fprintf(stdlog, "%s", temp);
fflush(stdlog);
nvr_save();
config_save();
#ifdef ENABLE_808X_LOG
dumpregs(1);
#endif
/* Make sure the message does not have a trailing newline. */
if ((sp = strchr(temp, '\n')) != NULL)
*sp = '\0';
/* Cleanly terminate all of the emulator's components so as
to avoid things like threads getting stuck. */
do_stop();
ui_msgbox(MBX_ERROR | MBX_FATAL | MBX_ANSI, temp);
fflush(stdlog);
}
#ifdef ENABLE_PC_LOG
int pc_do_log = ENABLE_PC_LOG;
static void
pc_log(const char *fmt, ...)
{
va_list ap;
if (pc_do_log) {
va_start(ap, fmt);
pclog_ex(fmt, ap);
va_end(ap);
}
}
#else
# define pc_log(fmt, ...)
#endif
static void
delete_nvr_file(uint8_t flash)
{
char *fn = NULL;
int c;
/* Set up the NVR file's name. */
c = strlen(machine_get_internal_name()) + 5;
fn = (char *) malloc(c + 1);
if (fn == NULL)
fatal("Error allocating memory for the removal of the %s file\n",
flash ? "BIOS flash" : "CMOS");
if (flash)
sprintf(fn, "%s.bin", machine_get_internal_name());
else
sprintf(fn, "%s.nvr", machine_get_internal_name());
remove(nvr_path(fn));
free(fn);
fn = NULL;
}
/*
* Perform initial startup of the PC.
*
* This is the platform-indepenent part of the startup,
* where we check commandline arguments and load a
* configuration file.
*/
int
pc_init(int argc, char *argv[])
{
char *ppath = NULL;
char *rpath = NULL;
char *cfg = NULL;
char *p;
char temp[2048];
char *fn[FDD_NUM] = { NULL };
char drive = 0;
char *temp2 = NULL;
char *what;
const struct tm *info;
time_t now;
int c;
int lvmp = 0;
#ifdef ENABLE_NG
int ng = 0;
#endif
#ifdef _WIN32
uint32_t *uid;
uint32_t *shwnd;
#endif
uint32_t lang_init = 0;
/* Grab the executable's full path. */
plat_get_exe_name(exe_path, sizeof(exe_path) - 1);
p = path_get_filename(exe_path);
*p = '\0';
#if defined(__APPLE__)
c = strlen(exe_path);
if ((c >= 16) && !strcmp(&exe_path[c - 16], "/Contents/MacOS/")) {
exe_path[c - 16] = '\0';
p = path_get_filename(exe_path);
*p = '\0';
}
if (!strncmp(exe_path, "/private/var/folders/", 21)) {
ui_msgbox_header(MBX_FATAL, L"App Translocation", EMU_NAME_W L" cannot determine the emulated machine's location due to a macOS security feature. Please move the " EMU_NAME_W L" app to another folder (not /Applications), or make a copy of it and open that copy instead.");
return 0;
}
#elif !defined(_WIN32)
/* Grab the actual path if we are an AppImage. */
p = getenv("APPIMAGE");
if (p && (p[0] != '\0'))
path_get_dirname(exe_path, p);
#endif
path_slash(exe_path);
/*
* Get the current working directory.
*
* This is normally the directory from where the
* program was run. If we have been started via
* a shortcut (desktop icon), however, the CWD
* could have been set to something else.
*/
plat_getcwd(usr_path, sizeof(usr_path) - 1);
plat_getcwd(rom_path, sizeof(rom_path) - 1);
for (c = 1; c < argc; c++) {
if (argv[c][0] != '-')
break;
if (!strcasecmp(argv[c], "--help") || !strcasecmp(argv[c], "-?")) {
usage:
for (uint8_t i = 0; i < FDD_NUM; i++) {
if (fn[i] != NULL) {
free(fn[i]);
fn[i] = NULL;
}
}
printf("\nUsage: 86box [options] [cfg-file]\n\n");
printf("Valid options are:\n\n");
printf("-? or --help - show this information\n");
printf("-C or --config path - set 'path' to be config file\n");
#ifdef _WIN32
printf("-D or --debug - force debug output logging\n");
#endif
#if 0
printf("-E or --nographic - forces the old behavior\n");
#endif
printf("-F or --fullscreen - start in fullscreen mode\n");
printf("-G or --lang langid - start with specified language (e.g. en-US, or system)\n");
#ifdef _WIN32
printf("-H or --hwnd id,hwnd - sends back the main dialog's hwnd\n");
#endif
printf("-I or --image d:path - load 'path' as floppy image on drive d\n");
#ifdef USE_INSTRUMENT
printf("-J or --instrument name - set 'name' to be the profiling instrument\n");
#endif
printf("-K or --keycodes codes - set 'codes' to be the uncapture combination\n");
printf("-L or --logfile path - set 'path' to be the logfile\n");
printf("-M or --missing - dump missing machines and video cards\n");
printf("-N or --noconfirm - do not ask for confirmation on quit\n");
printf("-P or --vmpath path - set 'path' to be root for vm\n");
printf("-R or --rompath path - set 'path' to be ROM path\n");
#ifndef USE_SDL_UI
printf("-S or --settings - show only the settings dialog\n");
#endif
printf("-V or --vmname name - overrides the name of the running VM\n");
printf("-X or --clear what - clears the 'what' (cmos/flash/both)\n");
printf("-Y or --donothing - do not show any UI or run the emulation\n");
printf("-Z or --lastvmpath - the last parameter is VM path rather than config\n");
printf("\nA config file can be specified. If none is, the default file will be used.\n");
return 0;
} else if (!strcasecmp(argv[c], "--lastvmpath") || !strcasecmp(argv[c], "-Z")) {
lvmp = 1;
#ifdef _WIN32
} else if (!strcasecmp(argv[c], "--debug") || !strcasecmp(argv[c], "-D")) {
force_debug = 1;
#endif
#ifdef ENABLE_NG
} else if (!strcasecmp(argv[c], "--nographic") || !strcasecmp(argv[c], "-E")) {
/* Currently does nothing, but if/when we implement a built-in manager,
it's going to force the manager not to run, allowing the old usage
without parameter. */
ng = 1;
#endif
} else if (!strcasecmp(argv[c], "--fullscreen") || !strcasecmp(argv[c], "-F")) {
start_in_fullscreen = 1;
} else if (!strcasecmp(argv[c], "--logfile") || !strcasecmp(argv[c], "-L")) {
if ((c + 1) == argc)
goto usage;
strcpy(log_path, argv[++c]);
} else if (!strcasecmp(argv[c], "--vmpath") || !strcasecmp(argv[c], "-P")) {
if ((c + 1) == argc)
goto usage;
ppath = argv[++c];
} else if (!strcasecmp(argv[c], "--rompath") || !strcasecmp(argv[c], "-R")) {
if ((c + 1) == argc)
goto usage;
rpath = argv[++c];
rom_add_path(rpath);
} else if (!strcasecmp(argv[c], "--config") || !strcasecmp(argv[c], "-C")) {
if ((c + 1) == argc || plat_dir_check(argv[c + 1]))
goto usage;
cfg = argv[++c];
} else if (!strcasecmp(argv[c], "--image") || !strcasecmp(argv[c], "-I")) {
if ((c + 1) == argc)
goto usage;
temp2 = (char *) calloc(2048, 1);
sscanf(argv[++c], "%c:%s", &drive, temp2);
if (drive > 0x40)
drive = (drive & 0x1f) - 1;
else
drive = drive & 0x1f;
if (drive < 0)
drive = 0;
if (drive >= FDD_NUM)
drive = FDD_NUM - 1;
fn[(int) drive] = (char *) calloc(2048, 1);
strcpy(fn[(int) drive], temp2);
pclog("Drive %c: %s\n", drive + 0x41, fn[(int) drive]);
free(temp2);
temp2 = NULL;
} else if (!strcasecmp(argv[c], "--vmname") || !strcasecmp(argv[c], "-V")) {
if ((c + 1) == argc)
goto usage;
strcpy(vm_name, argv[++c]);
#ifndef USE_SDL_UI
} else if (!strcasecmp(argv[c], "--settings") || !strcasecmp(argv[c], "-S")) {
settings_only = 1;
#endif
} else if (!strcasecmp(argv[c], "--noconfirm") || !strcasecmp(argv[c], "-N")) {
confirm_exit_cmdl = 0;
} else if (!strcasecmp(argv[c], "--missing") || !strcasecmp(argv[c], "-M")) {
dump_missing = 1;
} else if (!strcasecmp(argv[c], "--donothing") || !strcasecmp(argv[c], "-Y")) {
do_nothing = 1;
} else if (!strcasecmp(argv[c], "--keycodes") || !strcasecmp(argv[c], "-K")) {
if ((c + 1) == argc)
goto usage;
sscanf(argv[++c], "%03hX,%03hX,%03hX,%03hX,%03hX,%03hX",
&key_prefix_1_1, &key_prefix_1_2, &key_prefix_2_1, &key_prefix_2_2,
&key_uncapture_1, &key_uncapture_2);
} else if (!strcasecmp(argv[c], "--clearboth") || !strcasecmp(argv[c], "-X")) {
if ((c + 1) == argc)
goto usage;
what = argv[++c];
if (!strcasecmp(what, "cmos"))
clear_cmos = 1;
else if (!strcasecmp(what, "flash"))
clear_flash = 1;
else if (!strcasecmp(what, "both")) {
clear_cmos = 1;
clear_flash = 1;
} else
goto usage;
#ifdef _WIN32
} else if (!strcasecmp(argv[c], "--hwnd") || !strcasecmp(argv[c], "-H")) {
if ((c + 1) == argc)
goto usage;
uid = (uint32_t *) &unique_id;
shwnd = (uint32_t *) &source_hwnd;
sscanf(argv[++c], "%08X%08X,%08X%08X", uid + 1, uid, shwnd + 1, shwnd);
#endif
} else if (!strcasecmp(argv[c], "--lang") || !strcasecmp(argv[c], "-G")) {
// This function is currently unimplemented for *nix but has placeholders.
lang_init = plat_language_code(argv[++c]);
if (!lang_init)
printf("\nWarning: Invalid language code, ignoring --lang parameter.\n\n");
// The return value of 0 only means that the code is invalid,
// not related to that translation is exists or not for the
// selected language.
} else if (!strcasecmp(argv[c], "--test") || !strcasecmp(argv[c], "-T")) {
/* some (undocumented) test function here.. */
/* .. and then exit. */
return 0;
#ifdef USE_INSTRUMENT
} else if (!strcasecmp(argv[c], "--instrument") || !strcasecmp(argv[c], "-J")) {
if ((c + 1) == argc)
goto usage;
instru_enabled = 1;
sscanf(argv[++c], "%llu", &instru_run_ms);
#endif
}
/* Uhm... out of options here.. */
else
goto usage;
}
/* One argument (config file) allowed. */
if (c < argc) {
if (lvmp)
ppath = argv[c++];
else
cfg = argv[c++];
}
if (c != argc)
goto usage;
path_slash(usr_path);
path_slash(rom_path);
/*
* If the user provided a path for files, use that
* instead of the current working directory. We do
* make sure that if that was a relative path, we
* make it absolute.
*/
if (ppath != NULL) {
if (!path_abs(ppath)) {
/*
* This looks like a relative path.
*
* Add it to the current working directory
* to convert it (back) to an absolute path.
*/
strcat(usr_path, ppath);
} else {
/*
* The user-provided path seems like an
* absolute path, so just use that.
*/
strcpy(usr_path, ppath);
}
/* If the specified path does not yet exist,
create it. */
if (!plat_dir_check(usr_path))
plat_dir_create(usr_path);
}
// Add the VM-local ROM path.
path_append_filename(temp, usr_path, "roms");
rom_add_path(temp);
// Add the standard ROM path in the same directory as the executable.
path_append_filename(temp, exe_path, "roms");
rom_add_path(temp);
plat_init_rom_paths();
/*
* If the user provided a path for ROMs, use that
* instead of the current working directory. We do
* make sure that if that was a relative path, we
* make it absolute.
*/
if (rpath != NULL) {
if (!path_abs(rpath)) {
/*
* This looks like a relative path.
*
* Add it to the current working directory
* to convert it (back) to an absolute path.
*/
strcat(rom_path, rpath);
} else {
/*
* The user-provided path seems like an
* absolute path, so just use that.
*/
strcpy(rom_path, rpath);
}
/* If the specified path does not yet exist,
create it. */
if (!plat_dir_check(rom_path))
plat_dir_create(rom_path);
} else
rom_path[0] = '\0';
/* Grab the name of the configuration file. */
if (cfg == NULL)
cfg = CONFIG_FILE;
/*
* If the configuration file name has (part of)
* a pathname, consider that to be part of the
* actual working directory.
*
* This can happen when people load a config
* file using the UI, for example.
*/
p = path_get_filename(cfg);
if (cfg != p) {
/*
* OK, the configuration file name has a
* path component. Separate the two, and
* add the path component to the cfg path.
*/
*(p - 1) = '\0';
/*
* If this is an absolute path, keep it, as
* there is probably have a reason to do so.
* Otherwise, assume the pathname given is
* relative to whatever the usr_path is.
*/
if (path_abs(cfg))
strcpy(usr_path, cfg);
else
strcat(usr_path, cfg);
}
/* Make sure we have a trailing backslash. */
path_slash(usr_path);
if (rom_path[0] != '\0')
path_slash(rom_path);
/* At this point, we can safely create the full path name. */
path_append_filename(cfg_path, usr_path, p);
/*
* Get the current directory's name
*
* At this point usr_path is perfectly initialized.
* If no --vmname parameter specified we'll use the
* working directory name as the VM's name.
*/
if (strlen(vm_name) == 0) {
char ltemp[1024] = { '\0' };
path_get_dirname(ltemp, usr_path);
strcpy(vm_name, path_get_filename(ltemp));
}
/*
* This is where we start outputting to the log file,
* if there is one. Create a little info header first.
*/
(void) time(&now);
info = localtime(&now);
strftime(temp, sizeof(temp), "%Y/%m/%d %H:%M:%S", info);
pclog("#\n# %ls v%ls logfile, created %s\n#\n",
EMU_NAME_W, EMU_VERSION_FULL_W, temp);
pclog("# VM: %s\n#\n", vm_name);
pclog("# Emulator path: %s\n", exe_path);
pclog("# Userfiles path: %s\n", usr_path);
for (rom_path_t *rom_path = &rom_paths; rom_path != NULL; rom_path = rom_path->next) {
pclog("# ROM path: %s\n", rom_path->path);
}
pclog("# Configuration file: %s\n#\n\n", cfg_path);
/*
* We are about to read the configuration file, which MAY
* put data into global variables (the hard- and floppy
* disks are an example) so we have to initialize those
* modules before we load the config..
*/
hdd_init();
network_init();
mouse_init();
cdrom_global_init();
zip_global_init();
mo_global_init();
/* Load the configuration file. */
config_load();
/* Clear the CMOS and/or BIOS flash file, if we were started with
the relevant parameter(s). */
if (clear_cmos) {
delete_nvr_file(0);
clear_cmos = 0;
}
if (clear_flash) {
delete_nvr_file(1);
clear_flash = 0;
}
for (uint8_t i = 0; i < FDD_NUM; i++) {
if (fn[i] != NULL) {
if (strlen(fn[i]) <= 511)
strncpy(floppyfns[i], fn[i], 511);
free(fn[i]);
fn[i] = NULL;
}
}
/* Load the desired language */
if (lang_init)
lang_id = lang_init;
gdbstub_init();
/* All good! */
return 1;
}
void
pc_speed_changed(void)
{
if (cpu_s->cpu_type >= CPU_286)
pit_set_clock(cpu_s->rspeed);
else
pit_set_clock((uint32_t) 14318184.0);
}
void
pc_full_speed(void)
{
if (!atfullspeed) {
pc_log("Set fullspeed - %i %i\n", is386, is486);
pc_speed_changed();
}
atfullspeed = 1;
}
/* Initialize modules, ran once, after pc_init. */
int
pc_init_modules(void)
{
int c;
int m;
wchar_t temp[512];
char tempc[512];
if (dump_missing) {
dump_missing = 0;
c = m = 0;
while (machine_get_internal_name_ex(c) != NULL) {
m = machine_available(c);
if (!m)
pclog("Missing machine: %s\n", machine_getname_ex(c));
c++;
}
c = m = 0;
while (video_get_internal_name(c) != NULL) {
memset(tempc, 0, sizeof(tempc));
device_get_name(video_card_getdevice(c), 0, tempc);
if ((c > 1) && !(tempc[0]))
break;
m = video_card_available(c);
if (!m)
pclog("Missing video card: %s\n", tempc);
c++;
}
}
pc_log("Scanning for ROM images:\n");
c = m = 0;
while (machine_get_internal_name_ex(m) != NULL) {
c += machine_available(m);
m++;
}
if (c == 0) {
/* No usable ROMs found, aborting. */
return 0;
}
pc_log("A total of %d ROM sets have been loaded.\n", c);
/* Load the ROMs for the selected machine. */
if (!machine_available(machine)) {
swprintf(temp, sizeof_w(temp), plat_get_string(IDS_2063), machine_getname());
c = 0;
machine = -1;
while (machine_get_internal_name_ex(c) != NULL) {
if (machine_available(c)) {
ui_msgbox_header(MBX_INFO, (wchar_t *) IDS_2129, temp);
machine = c;
config_save();
break;
}
c++;
}
if (machine == -1) {
fatal("No available machines\n");
exit(-1);
}
}
/* Make sure we have a usable video card. */
if (!video_card_available(gfxcard[0])) {
memset(tempc, 0, sizeof(tempc));
device_get_name(video_card_getdevice(gfxcard[0]), 0, tempc);
swprintf(temp, sizeof_w(temp), plat_get_string(IDS_2064), tempc);
c = 0;
while (video_get_internal_name(c) != NULL) {
gfxcard[0] = -1;
if (video_card_available(c)) {
ui_msgbox_header(MBX_INFO, (wchar_t *) IDS_2129, temp);
gfxcard[0] = c;
config_save();
break;
}
c++;
}
if (gfxcard[0] == -1) {
fatal("No available video cards\n");
exit(-1);
}
}
if (!video_card_available(gfxcard[1])) {
char tempc[512] = { 0 };
device_get_name(video_card_getdevice(gfxcard[1]), 0, tempc);
swprintf(temp, sizeof_w(temp), plat_get_string(IDS_2163), tempc);
ui_msgbox_header(MBX_INFO, (wchar_t *) IDS_2129, temp);
gfxcard[1] = 0;
}
atfullspeed = 0;
random_init();
mem_init();
#ifdef USE_DYNAREC
# if defined(__APPLE__) && defined(__aarch64__)
if (__builtin_available(macOS 11.0, *)) {
pthread_jit_write_protect_np(0);
}
# endif
codegen_init();
# if defined(__APPLE__) && defined(__aarch64__)
if (__builtin_available(macOS 11.0, *)) {
pthread_jit_write_protect_np(1);
}
# endif
#endif
keyboard_init();
joystick_init();
video_init();
fdd_init();
sound_init();
hdc_init();
video_reset_close();
machine_status_init();
if (do_nothing) {
do_nothing = 0;
exit(-1);
}
return 1;
}
void
pc_send_ca(uint16_t sc)
{
keyboard_input(1, 0x1D); /* Ctrl key pressed */
keyboard_input(1, 0x38); /* Alt key pressed */
keyboard_input(1, sc);
usleep(50000);
keyboard_input(0, sc);
keyboard_input(0, 0x38); /* Alt key released */
keyboard_input(0, 0x1D); /* Ctrl key released */
}
/* Send the machine a Control-Alt-DEL sequence. */
void
pc_send_cad(void)
{
pc_send_ca(0x153);
}
/* Send the machine a Control-Alt-ESC sequence. */
void
pc_send_cae(void)
{
pc_send_ca(1);
}
void
pc_reset_hard_close(void)
{
ui_sb_set_ready(0);
/* Close all the memory mappings. */
mem_close();
/* Turn off timer processing to avoid potential segmentation faults. */
timer_close();
suppress_overscan = 0;
nvr_save();
nvr_close();
mouse_close();
lpt_devices_close();
device_close_all();
scsi_device_close_all();
midi_out_close();
midi_in_close();
cdrom_close();
zip_close();
mo_close();
scsi_disk_close();
closeal();
video_reset_close();
cpu_close();
serial_set_next_inst(0);
}
/*
* This is basically the spot where we start up the actual machine,
* by issuing a 'hard reset' to the entire configuration. Order is
* somewhat important here. Functions here should be named _reset
* really, as that is what they do.
*/
void
pc_reset_hard_init(void)
{
/*
* First, we reset the modules that are not part of
* the actual machine, but which support some of the
* modules that are.
*/
/* Mark ACPI as unavailable */
acpi_enabled = 0;
/* Reset the general machine support modules. */
io_init();
/* Turn on and (re)initialize timer processing. */
timer_init();
device_init();
sound_reset();
scsi_reset();
scsi_device_init();
/* Initialize the actual machine and its basic modules. */
machine_init();
/* Reset some basic devices. */
speaker_init();
shadowbios = 0;
/*
* Once the machine has been initialized, all that remains
* should be resetting all devices set up for it, to their
* current configurations !
*
* For now, we will call their reset functions here, but
* that will be a call to device_reset_all() later !
*/
/* Reset and reconfigure the Sound Card layer. */
sound_card_reset();
/* Initialize parallel devices. */
/* note: PLIP LPT side has to be initialized before the network side */
lpt_devices_init();
/* Reset and reconfigure the serial ports. */
/* note: SLIP COM side has to be initialized before the network side */
serial_standalone_init();
serial_passthrough_init();
/* Reset and reconfigure the Network Card layer. */
network_reset();
/*
* Reset the mouse, this will attach it to any port needed.
*/
mouse_reset();
/* Reset the Hard Disk Controller module. */
hdc_reset();
fdc_card_init();
fdd_reset();
/* Reset the CD-ROM Controller module. */
cdrom_interface_reset();
/* Reset and reconfigure the SCSI layer. */
scsi_card_init();
scsi_disk_hard_reset();
cdrom_hard_reset();
mo_hard_reset();
zip_hard_reset();
/* Reset any ISA RTC cards. */
isartc_reset();
/* Initialize the Voodoo cards here inorder to minimize
the chances of the SCSI controller ending up on the bridge. */
video_voodoo_init();
if (joystick_type)
gameport_update_joystick_type(); /* installs game port if no device provides one, must be late */
ui_sb_update_panes();
if (config_changed) {
config_save();
config_changed = 0;
} else
ui_sb_set_ready(1);
/* Needs the status bar... */
if (bugger_enabled)
device_add(&bugger_device);
if (postcard_enabled)
device_add(&postcard_device);
if (unittester_enabled)
device_add(&unittester_device);
if (lba_enhancer_enabled)
device_add(&lba_enhancer_device);
if (novell_keycard_enabled)
device_add(&novell_keycard_device);
if (IS_ARCH(machine, MACHINE_BUS_PCI)) {
pci_register_cards();
device_reset_all(DEVICE_PCI);
}
/* Mark IDE shadow drives (slaves with a present master) as such in case
the IDE controllers present are not some form of PCI. */
ide_drives_set_shadow();
/* Reset the CPU module. */
resetx86();
dma_reset();
pci_pic_reset();
cpu_cache_int_enabled = cpu_cache_ext_enabled = 0;
atfullspeed = 0;
pc_full_speed();
cycles = 0;
#ifdef FPU_CYCLES
fpu_cycles = 0;
#endif
#ifdef USE_DYNAREC
cycles_main = 0;
#endif
update_mouse_msg();
ui_hard_reset_completed();
}
void
update_mouse_msg(void)
{
wchar_t wcpufamily[2048];
wchar_t wcpu[2048];
wchar_t wmachine[2048];
wchar_t *wcp;
mbstowcs(wmachine, machine_getname(), strlen(machine_getname()) + 1);
if (!cpu_override)
mbstowcs(wcpufamily, cpu_f->name, strlen(cpu_f->name) + 1);
else
swprintf(wcpufamily, sizeof_w(wcpufamily), L"[U] %hs", cpu_f->name);
wcp = wcschr(wcpufamily, L'(');
if (wcp) /* remove parentheses */
*(wcp - 1) = L'\0';
mbstowcs(wcpu, cpu_s->name, strlen(cpu_s->name) + 1);
#ifdef _WIN32
swprintf(mouse_msg[0], sizeof_w(mouse_msg[0]), L"%%i%%%% - %ls",
plat_get_string(IDS_2077));
swprintf(mouse_msg[1], sizeof_w(mouse_msg[1]), L"%%i%%%% - %ls",
(mouse_get_buttons() > 2) ? plat_get_string(IDS_2078) : plat_get_string(IDS_2079));
wcsncpy(mouse_msg[2], L"%i%%", sizeof_w(mouse_msg[2]));
#else
swprintf(mouse_msg[0], sizeof_w(mouse_msg[0]), L"%ls v%ls - %%i%%%% - %ls - %ls/%ls - %ls",
EMU_NAME_W, EMU_VERSION_FULL_W, wmachine, wcpufamily, wcpu,
plat_get_string(IDS_2077));
swprintf(mouse_msg[1], sizeof_w(mouse_msg[1]), L"%ls v%ls - %%i%%%% - %ls - %ls/%ls - %ls",
EMU_NAME_W, EMU_VERSION_FULL_W, wmachine, wcpufamily, wcpu,
(mouse_get_buttons() > 2) ? plat_get_string(IDS_2078) : plat_get_string(IDS_2079));
swprintf(mouse_msg[2], sizeof_w(mouse_msg[2]), L"%ls v%ls - %%i%%%% - %ls - %ls/%ls",
EMU_NAME_W, EMU_VERSION_FULL_W, wmachine, wcpufamily, wcpu);
#endif
}
void
pc_reset_hard(void)
{
hard_reset_pending = 1;
}
void
pc_close(UNUSED(thread_t *ptr))
{
/* Wait a while so things can shut down. */
plat_delay_ms(200);
/* Claim the video blitter. */
startblit();
/* Terminate the UI thread. */
is_quit = 1;
nvr_save();
config_save();
plat_mouse_capture(0);
/* Close all the memory mappings. */
mem_close();
/* Turn off timer processing to avoid potential segmentation faults. */
timer_close();
lpt_devices_close();
for (uint8_t i = 0; i < FDD_NUM; i++)
fdd_close(i);
#ifdef ENABLE_808X_LOG
if (dump_on_exit)
dumpregs(0);
#endif
video_close();
device_close_all();
scsi_device_close_all();
midi_out_close();
midi_in_close();
network_close();
sound_cd_thread_end();
cdrom_close();
zip_close();
mo_close();
scsi_disk_close();
gdbstub_close();
}
#ifdef __APPLE__
static void
_ui_window_title(void *s)
{
ui_window_title((wchar_t *) s);
free(s);
}
#endif
void
ack_pause(void)
{
if (atomic_load(&do_pause_ack)) {
atomic_store(&do_pause_ack, 0);
atomic_store(&pause_ack, 1);
}
}
void
pc_run(void)
{
int mouse_msg_idx;
wchar_t temp[200];
/* Trigger a hard reset if one is pending. */
if (hard_reset_pending) {
hard_reset_pending = 0;
pc_reset_hard_close();
pc_reset_hard_init();
}
/* Run a block of code. */
startblit();
cpu_exec((int32_t) cpu_s->rspeed / 100);
ack_pause();
#ifdef USE_GDBSTUB /* avoid a KBC FIFO overflow when CPU emulation is stalled */
if (gdbstub_step == GDBSTUB_EXEC) {
#endif
if (!mouse_timed)
mouse_process();
#ifdef USE_GDBSTUB /* avoid a KBC FIFO overflow when CPU emulation is stalled */
}
#endif
joystick_process();
endblit();
/* Done with this frame, update statistics. */
framecount++;
if (++framecountx >= 100) {
framecountx = 0;
frames = 0;
}
if (title_update) {
mouse_msg_idx = ((mouse_type == MOUSE_TYPE_NONE) || (mouse_input_mode >= 1)) ? 2 : !!mouse_capture;
swprintf(temp, sizeof_w(temp), mouse_msg[mouse_msg_idx], fps);
#ifdef __APPLE__
/* Needed due to modifying the UI on the non-main thread is a big no-no. */
dispatch_async_f(dispatch_get_main_queue(), wcsdup((const wchar_t *) temp), _ui_window_title);
#else
ui_window_title(temp);
#endif
title_update = 0;
}
}
/* Handler for the 1-second timer to refresh the window title. */
void
pc_onesec(void)
{
fps = framecount;
framecount = 0;
title_update = 1;
}
void
set_screen_size_monitor(int x, int y, int monitor_index)
{
int temp_overscan_x = monitors[monitor_index].mon_overscan_x;
int temp_overscan_y = monitors[monitor_index].mon_overscan_y;
double dx;
double dy;
double dtx;
double dty;
/* Make sure we keep usable values. */
#if 0
pc_log("SetScreenSize(%d, %d) resize=%d\n", x, y, vid_resize);
#endif
if (x < 320)
x = 320;
if (y < 200)
y = 200;
if (x > 2048)
x = 2048;
if (y > 2048)
y = 2048;
/* Save the new values as "real" (unscaled) resolution. */
monitors[monitor_index].mon_unscaled_size_x = x;
monitors[monitor_index].mon_efscrnsz_y = y;
if (suppress_overscan)
temp_overscan_x = temp_overscan_y = 0;
if (force_43) {
dx = (double) x;
dtx = (double) temp_overscan_x;
dy = (double) y;
dty = (double) temp_overscan_y;
/* Account for possible overscan. */
if (video_get_type_monitor(monitor_index) != VIDEO_FLAG_TYPE_SPECIAL && (temp_overscan_y == 16)) {
/* CGA */
dy = (((dx - dtx) / 4.0) * 3.0) + dty;
} else if (video_get_type_monitor(monitor_index) != VIDEO_FLAG_TYPE_SPECIAL && (temp_overscan_y < 16)) {
/* MDA/Hercules */
dy = (x / 4.0) * 3.0;
} else {
if (enable_overscan) {
/* EGA/(S)VGA with overscan */
dy = (((dx - dtx) / 4.0) * 3.0) + dty;
} else {
/* EGA/(S)VGA without overscan */
dy = (x / 4.0) * 3.0;
}
}
monitors[monitor_index].mon_unscaled_size_y = (int) dy;
} else
monitors[monitor_index].mon_unscaled_size_y = monitors[monitor_index].mon_efscrnsz_y;
switch (scale) {
case 0: /* 50% */
monitors[monitor_index].mon_scrnsz_x = (monitors[monitor_index].mon_unscaled_size_x >> 1);
monitors[monitor_index].mon_scrnsz_y = (monitors[monitor_index].mon_unscaled_size_y >> 1);
break;
case 1: /* 100% */
monitors[monitor_index].mon_scrnsz_x = monitors[monitor_index].mon_unscaled_size_x;
monitors[monitor_index].mon_scrnsz_y = monitors[monitor_index].mon_unscaled_size_y;
break;
case 2: /* 150% */
monitors[monitor_index].mon_scrnsz_x = ((monitors[monitor_index].mon_unscaled_size_x * 3) >> 1);
monitors[monitor_index].mon_scrnsz_y = ((monitors[monitor_index].mon_unscaled_size_y * 3) >> 1);
break;
case 3: /* 200% */
monitors[monitor_index].mon_scrnsz_x = (monitors[monitor_index].mon_unscaled_size_x << 1);
monitors[monitor_index].mon_scrnsz_y = (monitors[monitor_index].mon_unscaled_size_y << 1);
break;
case 4: /* 300% */
monitors[monitor_index].mon_scrnsz_x = (monitors[monitor_index].mon_unscaled_size_x * 3);
monitors[monitor_index].mon_scrnsz_y = (monitors[monitor_index].mon_unscaled_size_y * 3);
break;
case 5: /* 400% */
monitors[monitor_index].mon_scrnsz_x = (monitors[monitor_index].mon_unscaled_size_x << 2);
monitors[monitor_index].mon_scrnsz_y = (monitors[monitor_index].mon_unscaled_size_y << 2);
break;
case 6: /* 500% */
monitors[monitor_index].mon_scrnsz_x = (monitors[monitor_index].mon_unscaled_size_x * 5);
monitors[monitor_index].mon_scrnsz_y = (monitors[monitor_index].mon_unscaled_size_y * 5);
break;
case 7: /* 600% */
monitors[monitor_index].mon_scrnsz_x = (monitors[monitor_index].mon_unscaled_size_x * 6);
monitors[monitor_index].mon_scrnsz_y = (monitors[monitor_index].mon_unscaled_size_y * 6);
break;
case 8: /* 700% */
monitors[monitor_index].mon_scrnsz_x = (monitors[monitor_index].mon_unscaled_size_x * 7);
monitors[monitor_index].mon_scrnsz_y = (monitors[monitor_index].mon_unscaled_size_y * 7);
break;
case 9: /* 800% */
monitors[monitor_index].mon_scrnsz_x = (monitors[monitor_index].mon_unscaled_size_x << 3);
monitors[monitor_index].mon_scrnsz_y = (monitors[monitor_index].mon_unscaled_size_y << 3);
break;
default:
break;
}
plat_resize_request(monitors[monitor_index].mon_scrnsz_x, monitors[monitor_index].mon_scrnsz_y, monitor_index);
}
void
set_screen_size(int x, int y)
{
set_screen_size_monitor(x, y, monitor_index_global);
}
void
reset_screen_size_monitor(int monitor_index)
{
set_screen_size(monitors[monitor_index].mon_unscaled_size_x, monitors[monitor_index].mon_efscrnsz_y);
}
void
reset_screen_size(void)
{
for (uint8_t i = 0; i < MONITORS_NUM; i++)
set_screen_size(monitors[i].mon_unscaled_size_x, monitors[i].mon_efscrnsz_y);
}
void
set_screen_size_natural(void)
{
for (uint8_t i = 0; i < MONITORS_NUM; i++)
set_screen_size(monitors[i].mon_unscaled_size_x, monitors[i].mon_unscaled_size_y);
}
int
get_actual_size_x(void)
{
return (unscaled_size_x);
}
int
get_actual_size_y(void)
{
return (efscrnsz_y);
}
void
do_pause(int p)
{
int old_p = dopause;
if ((p == 1) && !old_p)
do_pause_ack = p;
dopause = !!p;
if ((p == 1) && !old_p) {
while (!atomic_load(&pause_ack))
;
}
atomic_store(&pause_ack, 0);
}