void __start(struct bios_service_table *pbios_services)
{
bios_services = pbios_services;
__asm("xchg %bx, %bx");
bios_console_init(&bios_console);
stdout->handle.pointer = &bios_console.dev;
/* Initialize the memory map, find all the tables. */
mmap_init();
tables_init();
vbe_init();
/*gd_memory_map_entry mmap[100]; size_t nentries = 100, key = 0;
mmap_get(&mmap, nentries, &nentries, &key);
for (size_t i = 0; i < nentries; i++) {
printf("Entry %d: %llx -> %llx, %d\n", i, mmap[i].physical_start,
mmap[i].physical_start + mmap[i].size,
mmap[i].type);
}*/
//extern gd_rsdt_pointer_table rsdt_pointer;
//extern gd_pc_pointer_table pc_pointer;
//if (rsdt_pointer.header.length) {
// printf("RSDT: %x\nXSDT: %llx\n", rsdt_pointer.rsdt_address, rsdt_pointer.xsdt_address);
//}
//if (pc_pointer.header.length) {
// printf("MPS: %c%c%c%c\nSMBIOS: %x\n", pc_pointer.mpfp.signature[0],
// pc_pointer.mpfp.signature[1],
// pc_pointer.mpfp.signature[2],
// pc_pointer.mpfp.signature[3], pc_pointer.smbios_entry_point_address);
//}
for(;;);
}
static adv_error vbe_init2(int device_id, adv_output output, unsigned overlay_size, adv_cursor cursor)
{
const adv_device* i;
(void)cursor;
if (sizeof(vbe_video_mode) > MODE_DRIVER_MODE_SIZE_MAX)
return -1;
if (os_internal_brokenint10_active()) {
error_set("Detected broken video BIOS.\n");
return -1;
}
if (output != adv_output_auto && output != adv_output_fullscreen) {
error_set("Only fullscreen output is supported.\n");
return -1;
}
i = DEVICE;
while (i->name && i->id != device_id)
++i;
if (!i->name)
return -1;
if (vbe_init() != 0)
return -1;
vbe_state2.flags = VIDEO_DRIVER_FLAGS_MODE_PALETTE8 | VIDEO_DRIVER_FLAGS_MODE_BGR15 | VIDEO_DRIVER_FLAGS_MODE_BGR16 | VIDEO_DRIVER_FLAGS_MODE_BGR24 | VIDEO_DRIVER_FLAGS_MODE_BGR32
| VIDEO_DRIVER_FLAGS_OUTPUT_FULLSCREEN;
vbe_probe();
return 0;
}
/** Main function of the PC loader. */
void platform_init(void) {
/* Set up console output. */
console_init();
/* Initialize the architecture. */
arch_init();
/* Initialize hardware. */
memory_init();
disk_init();
vbe_init();
/* Parse information from Multiboot. */
multiboot_init();
/* Call the main function. */
loader_main();
}
void printusage( void )
{
printf("\nBOOM 2 Engine by Ivaylo Beltchev\n");
printf("MS-DOS version\n");
printf("Usage: boomdos <boo file> [/x<width> /y<height> /w /b]\n");
printf("/x<width>, /y<height> - screen size (requires VBE 2.0)\n");
printf("/w - don't wait for the vertical retrace (VBE 2.0 only)\n");
printf("/b - back buffer is in video memory (VBE 2.0 only)\n");
printf("Example: boomdos level.boo /x640 /y480 /w\n");
printf("Controls:\n");
printf("Arrows - forward, backward, turn left, turn right\n");
printf("Home/PgUp - strafe left/right\n");
printf("X - crouch\n");
printf("Space - jump\n");
printf("A/Z - look up/down\n");
printf("O/P - rotate left/right\n");
printf("NumPad 5 - center view\n");
printf("Shift - run\n");
printf("Esc - exit\n\n");
if (!vbe_init()) {
printf("VBE 2.0 not found.\n\n");
vbe_done();
return;
}
printf("Press Enter to view the available video modes. Esc to skip.\n");
char c;
do
c=getch();
while (c!=27 && c!=13);
if (c==27) {
vbe_done();
return;
}
for (int i=0;i<vbemodenum;i++)
if (vbemodes[i].bpp==8)
printf("%dx%d\n",vbemodes[i].width,vbemodes[i].height);
vbe_done();
}
// application entry point
void main(int argc,char *argv[])
{
int system_time=0;
int frame_counter=0;
int time0;
char s[20]="";
if (argc<2) {
printusage();
return;
}
// parses command line parameters
parsecmdline(argc-2,argv+2);
// initializes the video mode and geometry module
int mode=-1;
if (vbe_init()) {
mode=vbe_findmode(scrwidth,scrheight,8);
if (!mode) mode=-1;
}
if (mode==-1) vbe_done();
if (!vbe_setmode(mode,backbuffl)) goto err;
setscreensize(vbe_width,vbe_height);
scr_cols=vbe_width;
scr_bpp=vbe_bpp;
// initializes the keyboard
kbd_init();
// initializes the timer
timer_init();
// initializes the mouse
mouse_init();
// reads the map
if (!map_init(argv[1])) goto err;
vbe_setpal((Tcolor *)palette,0,256);
// main loop
time0=timer_clocks;
while(player_idle(timer_clocks)) {
// draws the current frame
draw_init(vbe_backbuffer,vbe_width,vbe_height);
map_draw();
// calculates the frame rate
frame_counter++;
int dt=timer_clocks-time0;
if (dt>500) {
float fps = (frame_counter*1000.)/dt;
sprintf(s,"%.1f FPS",fps);
time0 = timer_clocks;
frame_counter = 0;
}
textout(vbe_backbuffer,0,0,s,255);
// flips the video pages
vbe_flip(waitfl);
// applies the mouse movement
if (player_keys & kRUN) player_rotate(-mousedy*0.01,0,-mousedx*0.01);
else player_rotate(-mousedy*0.005,0,-mousedx*0.005);
mousedx=0;mousedy=0;
// clears the keyboard queue
while (kbhit()) getch();
}
err:
vbe_done();
vbe_settext();
}
int main(int argc, char *argv[]) {
void *tarfile_addr;
size_t tarfile_length;
void *elf_file_addr;
size_t elf_file_length;
void *free_space;
uint32_t cr3;
char *pfree;
kprintf("Loading the Anvil...\n");
parse_cmd_line(argc, argv);
cpu_init();
/*
* Get all the Grub info now so we can touch memory and it won't matter
* too much if we trash it.
*/
mbi_mem_get_info();
free_space = mbi_module_get_info(&tarfile_addr, &tarfile_length);
// free_space = 0x80100000;
// tarfile_addr = (uintptr_t)0x80012000;
// tarfile_length = 3150336;
sysinfo.initrd_info.base_addr = (uintptr_t)tarfile_addr;
sysinfo.initrd_info.length = tarfile_length;
get_sysinfo();
/* Load the OS. We'll be loading 2 files, the kernel and init */
pfree = free_space;
kprintf("\nLoading kernel\n========================\n");
/* Assume the module is a TAR file and search it for the files */
if (tar_search(tarfile_addr, tarfile_length, "anvil-knl",
&elf_file_addr, &elf_file_length) == -1) {
kprintf("Couldn't untar kernel\n");
return 0;
}
/* Now load the kernel. It should be a single segment */
if (elf_load(pfree, elf_file_addr, &sysinfo.kernel_program_info) == -1) {
return 0;
}
sysinfo.kernel_program_info.seginfo[0].paddr = (uintptr_t)pfree;
/* Skip over the kernel (and an 8 page stack */
pfree += sysinfo.kernel_program_info.seginfo[0].length + 8 * __PAGESIZE;
kprintf("\nLoading init\n========================\n");
/* Assume the module is a TAR file and search it for the pieces */
if (tar_search(tarfile_addr, tarfile_length, "init",
&elf_file_addr, &elf_file_length) == 0) {
/* Load init */
if (elf_load(pfree, elf_file_addr, &sysinfo.init_program_info) == -1) {
return 0;
}
}
else {
kprintf("init not found, ignoring\n");
}
sysinfo.init_program_info.seginfo[0].paddr = (uintptr_t)pfree;
sysinfo.init_program_info.seginfo[1].paddr = (uintptr_t)pfree + sysinfo.init_program_info.seginfo[0].length;
vbe_init();
cr3 = paging_init(free_space, sysinfo.kernel_program_info.seginfo[0].length);
cpu_switch_longmode(cr3);
/*
* The return value tells the code in boot.S what to do
*
* 0: just hang
* 1: launch 32bit kernel
* 2: launch 64bit kernel
*
* any other value just hang
*/
return 2;
}
/*
* Called from the initial entry point boot_start in biosboot.S
*
* biosdev: BIOS drive number the system booted from
* biossector: Sector number of the NetBSD partition
*/
void
boot2(int biosdev, uint64_t biossector)
{
extern char twiddle_toggle;
int currname;
char c;
twiddle_toggle = 1; /* no twiddling until we're ready */
initio(boot_params.bp_consdev);
#ifdef SUPPORT_PS2
biosmca();
#endif
gateA20();
boot_modules_enabled = !(boot_params.bp_flags
& X86_BP_FLAGS_NOMODULES);
if (boot_params.bp_flags & X86_BP_FLAGS_RESET_VIDEO)
biosvideomode();
vbe_init();
/* need to remember these */
boot_biosdev = biosdev;
boot_biossector = biossector;
/* try to set default device to what BIOS tells us */
bios2dev(biosdev, biossector, &default_devname, &default_unit,
&default_partition);
/* if the user types "boot" without filename */
default_filename = DEFFILENAME;
#ifndef SMALL
if (!(boot_params.bp_flags & X86_BP_FLAGS_NOBOOTCONF)) {
parsebootconf(BOOTCONF);
} else {
bootconf.timeout = boot_params.bp_timeout;
}
/*
* If console set in boot.cfg, switch to it.
* This will print the banner, so we don't need to explicitly do it
*/
if (bootconf.consdev)
command_consdev(bootconf.consdev);
else
print_banner();
/* Display the menu, if applicable */
twiddle_toggle = 0;
if (bootconf.nummenu > 0) {
/* Does not return */
doboottypemenu();
}
#else
twiddle_toggle = 0;
print_banner();
#endif
printf("Press return to boot now, any other key for boot menu\n");
for (currname = 0; currname < NUMNAMES; currname++) {
printf("booting %s - starting in ",
sprint_bootsel(names[currname][0]));
#ifdef SMALL
c = awaitkey(boot_params.bp_timeout, 1);
#else
c = awaitkey((bootconf.timeout < 0) ? 0 : bootconf.timeout, 1);
#endif
if ((c != '\r') && (c != '\n') && (c != '\0')) {
if ((boot_params.bp_flags & X86_BP_FLAGS_PASSWORD) == 0) {
/* do NOT ask for password */
bootmenu(); /* does not return */
} else {
/* DO ask for password */
if (check_password((char *)boot_params.bp_password)) {
/* password ok */
printf("type \"?\" or \"help\" for help.\n");
bootmenu(); /* does not return */
} else {
/* bad password */
printf("Wrong password.\n");
currname = 0;
continue;
}
}
}
/*
* try pairs of names[] entries, foo and foo.gz
*/
/* don't print "booting..." again */
bootit(names[currname][0], 0, 0);
/* since it failed, try compressed bootfile. */
bootit(names[currname][1], 0, 1);
}
bootmenu(); /* does not return */
}
int main(int argc, char* argv[])
{
char config[128];
int arg_load;
unsigned i;
printf(OEM_PRODUCT_STR " by " OEM_VENDOR_STR " v" OEM_VERSION_STR "\n");
strcpy(config, "vbe.rc");
arg_load = 0;
for(i=1;i<argc;++i) {
const char* tok = argv[i];
if (optionmatch(tok, "l")) {
arg_load = 1;
} else if (optionmatch(tok, "c")) {
tok = argv[++i];
if (!tok) {
printf("Missing config file path\n");
exit(EXIT_FAILURE);
}
strcpy(config, tok);
} else {
printf("Unknown option %s\n", tok);
exit(EXIT_FAILURE);
}
}
if (!arg_load) {
printf(
"Usage:\n"
" vbe32 [/l] [/c CONFIG]\n"
"Commands:\n"
" /l Load the TSR\n"
"Options:\n"
" /c CONFIG Use this config file instead of vbe.rc\n"
);
return EXIT_SUCCESS;
}
if (detect() != 0) {
exit(EXIT_FAILURE);
}
if (vbe_init(config) != 0) {
exit(EXIT_FAILURE);
}
#if 1
if (install() != 0) {
exit(EXIT_FAILURE);
}
__djgpp_exception_toggle();
keep(0, 0);
#else
{
_go32_dpmi_registers r;
r.x.ax = 0x4F02;
r.x.bx = 0x4103;
vbe_service(&r);
}
printf("Exit\n");
#endif
return EXIT_SUCCESS;
}