void showTextFile(const char * filename)
{
#define MAX_TEXT_FILE_SIZE 65536
char *buf;
int fd;
int size;
if ((fd = open_bvdev("bt(0,0)", filename, 0)) < 0)
{
printf("\nFile not found: %s\n", filename);
sleep(2);
return;
}
size = file_size(fd);
if (size > MAX_TEXT_FILE_SIZE)
{
size = MAX_TEXT_FILE_SIZE;
}
buf = malloc(size);
read(fd, buf, size);
close(fd);
showTextBuffer(buf, size);
free(buf);
}
void showTextFile(const char * filename)
{
#define MAX_TEXT_FILE_SIZE 65536
char *buf;
int fd;
int size;
if ((fd = open_bvdev("bt(0,0)", filename)) < 0) {
printf("\nFile not found: %s\n", filename);
sleep(2);
return;
}
size = file_size(fd);
if (size > MAX_TEXT_FILE_SIZE) {
size = MAX_TEXT_FILE_SIZE;
}
buf = calloc(size,sizeof(char));
if (!buf) {
printf("Couldn't allocate memory for the buf in showTextFile\n");
return ;
}
read(fd, buf, size);
close(fd);
showTextBuffer(buf, size);
free(buf);
}
void showHelp(void)
{
if (bootArgs->Video.v_display == GRAPHICS_MODE) {
showInfoBox("Help. Press q to quit.\n", (char *)BootHelp_txt);
} else {
showTextBuffer((char *)BootHelp_txt, BootHelp_txt_len);
}
}
void showHelp(void)
{
#if 1
#define BOOT_HELP_PATH "/Extra/BootHelp.txt"
#ifdef EMBED_THEME
if( bootArgs->Video.v_display == GRAPHICS_MODE )
{
showInfoBox( "Help. Press q to quit.\n" , (char *)BootHelp_txt );
return;
}
#endif
showTextFile(BOOT_HELP_PATH);
#else
if (bootArgs->Video.v_display == GRAPHICS_MODE) {
showInfoBox("Help. Press q to quit.\n", (char *)BootHelp_txt);
} else {
showTextBuffer((char *)BootHelp_txt, BootHelp_txt_len);
}
#endif
}
void showHelp(void)
{
#if EMBED_HELP==0
int fd = -1;
char dirspec[512];
char filename[512];
snprintf(filename, sizeof(filename), "BootHelp.txt");
// Check Extra on booting partition
snprintf(dirspec, sizeof(dirspec),"/Extra/%s",filename);
fd=open (dirspec,0);
if (fd<0)
{ // Fall back to booter partition
snprintf(dirspec, sizeof(dirspec),"bt(0,0)/Extra/%s",filename);
fd=open (dirspec,0);
if (fd<0)
{
printf("BootHelp not found: %s\n", filename);
return;
}
}
int BootHelp_txt_len = file_size (fd);
void *BootHelp_txt=calloc(BootHelp_txt_len, sizeof(char));
if (BootHelp_txt)
{
if (read (fd, BootHelp_txt, BootHelp_txt_len)!=BootHelp_txt_len)
{
printf("Couldn't read BootHelp %s\n",dirspec);
free (BootHelp_txt);
close (fd);
return;
}
close (fd);
}
#endif
showTextBuffer((char *)BootHelp_txt, BootHelp_txt_len);
}
int getBootOptions(bool firstRun)
{
int i;
int key;
int nextRow;
int timeout;
int bvCount;
BVRef bvr;
BVRef menuBVR;
bool showPrompt, newShowPrompt, isCDROM;
// Initialize default menu selection entry.
gBootVolume = menuBVR = selectBootVolume(bvChain);
if (biosDevIsCDROM(gBIOSDev)) {
isCDROM = true;
} else {
isCDROM = false;
}
// ensure we're in graphics mode if gui is setup
if (firstRun && gui.initialised && bootArgs->Video.v_display == VGA_TEXT_MODE)
{
setVideoMode(GRAPHICS_MODE, 0);
}
// Clear command line boot arguments
clearBootArgs();
// Allow user to override default timeout.
if (multiboot_timeout_set) {
timeout = multiboot_timeout;
} else if (!getIntForKey(kTimeoutKey, &timeout, &bootInfo->chameleonConfig)) {
/* If there is no timeout key in the file use the default timeout
which is different for CDs vs. hard disks. However, if not booting
a CD and no config file could be loaded set the timeout
to zero which causes the menu to display immediately.
This way, if no partitions can be found, that is the disk is unpartitioned
or simply cannot be read) then an empty menu is displayed.
If some partitions are found, for example a Windows partition, then
these will be displayed in the menu as foreign partitions.
*/
if (isCDROM) {
timeout = kCDBootTimeout;
} else {
timeout = sysConfigValid ? kBootTimeout : 0;
}
}
if (timeout < 0) {
gBootMode |= kBootModeQuiet;
}
// If the user is holding down a modifier key, enter safe mode.
if ((readKeyboardShiftFlags() & 0x0F) != 0) {
gBootMode |= kBootModeSafe;
}
// Checking user pressed keys
bool f8press = false, spress = false, vpress = false;
while (readKeyboardStatus()) {
key = bgetc ();
if (key == 0x4200) f8press = true;
if ((key & 0xff) == 's' || (key & 0xff) == 'S') spress = true;
if ((key & 0xff) == 'v' || (key & 0xff) == 'V') vpress = true;
}
// If user typed F8, abort quiet mode, and display the menu.
if (f8press) {
gBootMode &= ~kBootModeQuiet;
timeout = 0;
}
// If user typed 'v' or 'V', boot in verbose mode.
if ((gBootMode & kBootModeQuiet) && firstRun && vpress) {
addBootArg(kVerboseModeFlag);
}
// If user typed 's' or 'S', boot in single user mode.
if ((gBootMode & kBootModeQuiet) && firstRun && spress) {
addBootArg(kSingleUserModeFlag);
}
if (bootArgs->Video.v_display == VGA_TEXT_MODE) {
setCursorPosition(0, 0, 0);
clearScreenRows(0, kScreenLastRow);
if (!(gBootMode & kBootModeQuiet)) {
// Display banner and show hardware info.
printf(bootBanner, (bootInfo->convmem + bootInfo->extmem) / 1024);
printf(getVBEInfoString());
}
changeCursor(0, kMenuTopRow, kCursorTypeUnderline, 0);
verbose("Scanning device %x...", gBIOSDev);
}
// When booting from CD, default to hard drive boot when possible.
if (isCDROM && firstRun) {
const char *val;
char *prompt = NULL;
char *name = NULL;
int cnt;
int optionKey;
if (getValueForKey(kCDROMPromptKey, &val, &cnt, &bootInfo->chameleonConfig)) {
prompt = malloc(cnt + 1);
strncat(prompt, val, cnt);
} else {
name = malloc(80);
getBootVolumeDescription(gBootVolume, name, 79, false);
prompt = malloc(256);
sprintf(prompt, "Press any key to start up from %s, or press F8 to enter startup options.", name);
free(name);
}
if (getIntForKey( kCDROMOptionKey, &optionKey, &bootInfo->chameleonConfig )) {
// The key specified is a special key.
} else {
// Default to F8.
optionKey = 0x4200;
}
// If the timeout is zero then it must have been set above due to the
// early catch of F8 which means the user wants to set boot options
// which we ought to interpret as meaning he wants to boot the CD.
if (timeout != 0) {
key = countdown(prompt, kMenuTopRow, timeout);
} else {
key = optionKey;
}
if (prompt != NULL) {
free(prompt);
}
clearScreenRows( kMenuTopRow, kMenuTopRow + 2 );
// Hit the option key ?
if (key == optionKey) {
gBootMode &= ~kBootModeQuiet;
timeout = 0;
} else {
key = key & 0xFF;
// Try booting hard disk if user pressed 'h'
if (biosDevIsCDROM(gBIOSDev) && key == 'h') {
BVRef bvr;
// Look at partitions hosting OS X other than the CD-ROM
for (bvr = bvChain; bvr; bvr=bvr->next) {
if ((bvr->flags & kBVFlagSystemVolume) && bvr->biosdev != gBIOSDev) {
gBootVolume = bvr;
}
}
}
goto done;
}
}
if (gBootMode & kBootModeQuiet) {
// No input allowed from user.
goto done;
}
if (firstRun && timeout > 0 && countdown("Press any key to enter startup options.", kMenuTopRow, timeout) == 0) {
// If the user is holding down a modifier key,
// enter safe mode.
if ((readKeyboardShiftFlags() & 0x0F) != 0) {
gBootMode |= kBootModeSafe;
}
goto done;
}
if (gDeviceCount > 0) {
// Allocate memory for an array of menu items.
menuItems = malloc(sizeof(MenuItem) * gDeviceCount);
if (menuItems == NULL) {
goto done;
}
// Associate a menu item for each BVRef.
for (bvr=bvChain, i=gDeviceCount-1, selectIndex=-1; bvr; bvr=bvr->next) {
if (bvr->visible) {
getBootVolumeDescription(bvr, menuItems[i].name, sizeof(menuItems[i].name) - 1, true);
menuItems[i].param = (void *) bvr;
if (bvr == menuBVR) {
selectIndex = i;
}
i--;
}
}
// Jief : In case the default partition (returned by selectBootVolume) is not in the menu
if ( selectIndex == -1 )
{
selectIndex = 0;
// gDeviceCount is actually > 0, so menuItems[selectIndex] exists
menuBVR = (BVRef)(menuItems[selectIndex].param);
// what happen is bvChain is empty ?
}
}
if (bootArgs->Video.v_display != VGA_TEXT_MODE) {
// redraw the background buffer
gui.logo.draw = true;
drawBackground();
gui.devicelist.draw = true;
gui.redraw = true;
if (!(gBootMode & kBootModeQuiet)) {
// Check if "Boot Banner"=N switch is present in config file.
getBoolForKey(kBootBannerKey, &showBootBanner, &bootInfo->chameleonConfig);
if (showBootBanner) {
// Display banner and show hardware info.
gprintf(&gui.screen, bootBanner + 1, (bootInfo->convmem + bootInfo->extmem) / 1024);
}
// redraw background
memcpy(gui.backbuffer->pixels, gui.screen.pixmap->pixels, gui.backbuffer->width * gui.backbuffer->height * 4);
}
} else {
// Clear screen and hide the blinking cursor.
clearScreenRows(kMenuTopRow, kMenuTopRow + 2);
changeCursor(0, kMenuTopRow, kCursorTypeHidden, 0);
}
nextRow = kMenuTopRow;
showPrompt = true;
if (gDeviceCount) {
if( bootArgs->Video.v_display == VGA_TEXT_MODE ) {
printf("Use \30\31 keys to select the startup volume.");
}
showMenu( menuItems, gDeviceCount, selectIndex, kMenuTopRow + 2, kMenuMaxItems );
nextRow += MIN( gDeviceCount, kMenuMaxItems ) + 3;
}
// Show the boot prompt.
showPrompt = (gDeviceCount == 0) || (menuBVR->flags & kBVFlagNativeBoot);
showBootPrompt( nextRow, showPrompt );
do {
if (bootArgs->Video.v_display != VGA_TEXT_MODE) {
// redraw background
memcpy( gui.backbuffer->pixels, gui.screen.pixmap->pixels, gui.backbuffer->width * gui.backbuffer->height * 4 );
// reset cursor co-ords
gui.debug.cursor = pos( gui.screen.width - 160 , 10 );
}
key = getchar();
updateMenu( key, (void **) &menuBVR );
newShowPrompt = (gDeviceCount == 0) || (menuBVR->flags & kBVFlagNativeBoot);
if (newShowPrompt != showPrompt) {
showPrompt = newShowPrompt;
showBootPrompt( nextRow, showPrompt );
}
if (showPrompt) {
updateBootArgs(key);
}
switch (key) {
case KEY_ENTER:
if (gui.menu.draw) {
key=0;
break;
}
if (*gBootArgs == '?') {
char * argPtr = gBootArgs;
// Skip the leading "?" character.
argPtr++;
getNextArg(&argPtr, booterCommand);
getNextArg(&argPtr, booterParam);
/*
* TODO: this needs to be refactored.
*/
if (strcmp( booterCommand, "video" ) == 0) {
if (bootArgs->Video.v_display != VGA_TEXT_MODE) {
showInfoBox(getVBEInfoString(), getVBEModeInfoString());
} else {
printVBEModeInfo();
}
} else if ( strcmp( booterCommand, "memory" ) == 0) {
if (bootArgs->Video.v_display != VGA_TEXT_MODE ) {
showInfoBox("Memory Map", getMemoryInfoString());
} else {
printMemoryInfo();
}
} else if (strcmp(booterCommand, "lspci") == 0) {
lspci();
} else if (strcmp(booterCommand, "log") == 0) {
showTextBuffer(msgbuf, strlen(msgbuf));
} else if (strcmp(booterCommand, "more") == 0) {
showTextFile(booterParam);
} else if (strcmp(booterCommand, "rd") == 0) {
processRAMDiskCommand(&argPtr, booterParam);
} else if (strcmp(booterCommand, "norescan") == 0) {
if (gEnableCDROMRescan) {
gEnableCDROMRescan = false;
break;
}
} else {
showHelp();
}
key = 0;
showBootPrompt(nextRow, showPrompt);
break;
}
gBootVolume = menuBVR;
setRootVolume(menuBVR);
gBIOSDev = menuBVR->biosdev;
break;
case KEY_ESC:
clearBootArgs();
break;
case KEY_F5:
// New behavior:
// Clear gBootVolume to restart the loop
// if the user enabled rescanning the optical drive.
// Otherwise boot the default boot volume.
if (gEnableCDROMRescan) {
gBootVolume = NULL;
clearBootArgs();
}
break;
case KEY_F10:
gScanSingleDrive = false;
scanDisks(gBIOSDev, &bvCount);
gBootVolume = NULL;
clearBootArgs();
break;
case KEY_TAB:
// New behavior:
// Switch between text & graphic interfaces
// Only Permitted if started in graphics interface
if (useGUI) {
if (bootArgs->Video.v_display != VGA_TEXT_MODE) {
setVideoMode(VGA_TEXT_MODE, 0);
setCursorPosition(0, 0, 0);
clearScreenRows(0, kScreenLastRow);
// Display banner and show hardware info.
printf(bootBanner, (bootInfo->convmem + bootInfo->extmem) / 1024);
printf(getVBEInfoString());
clearScreenRows(kMenuTopRow, kMenuTopRow + 2);
changeCursor(0, kMenuTopRow, kCursorTypeHidden, 0);
nextRow = kMenuTopRow;
showPrompt = true;
if (gDeviceCount) {
printf("Use \30\31 keys to select the startup volume.");
showMenu(menuItems, gDeviceCount, selectIndex, kMenuTopRow + 2, kMenuMaxItems);
nextRow += MIN(gDeviceCount, kMenuMaxItems) + 3;
}
showPrompt = (gDeviceCount == 0) || (menuBVR->flags & kBVFlagNativeBoot);
showBootPrompt(nextRow, showPrompt);
//changeCursor( 0, kMenuTopRow, kCursorTypeUnderline, 0 );
} else {
gui.redraw = true;
setVideoMode(GRAPHICS_MODE, 0);
updateVRAM();
updateGraphicBootPrompt();
}
}
key = 0;
break;
default:
key = 0;
break;
}
} while (0 == key);
done:
if (bootArgs->Video.v_display == VGA_TEXT_MODE) {
clearScreenRows(kMenuTopRow, kScreenLastRow);
changeCursor(0, kMenuTopRow, kCursorTypeUnderline, 0);
}
shouldboot = false;
gui.menu.draw = false;
if (menuItems) {
free(menuItems);
menuItems = NULL;
}
execute_hook("BootOptions", gBootArgs, gBootArgsPtr, NULL, NULL);
return 0;
}
static int ExecKernel(void *binary)
{
int ret;
entry_t kernelEntry;
bootArgs->kaddr = bootArgs->ksize = 0;
execute_hook("ExecKernel", (void*)binary, NULL, NULL, NULL);
ret = DecodeKernel(binary,
&kernelEntry,
(char **) &bootArgs->kaddr,
(int *)&bootArgs->ksize );
if ( ret != 0 )
return ret;
// Reserve space for boot args
reserveKernBootStruct();
// Notify modules that the kernel has been decoded
execute_hook("DecodedKernel", (void*)binary, (void*)bootArgs->kaddr, (void*)bootArgs->ksize, NULL);
setupFakeEfi();
// Load boot drivers from the specifed root path.
//if (!gHaveKernelCache)
LoadDrivers("/");
execute_hook("DriversLoaded", (void*)binary, NULL, NULL, NULL);
clearActivityIndicator();
if (gErrors) {
printf("Errors encountered while starting up the computer.\n");
printf("Pausing %d seconds...\n", kBootErrorTimeout);
sleep(kBootErrorTimeout);
}
md0Ramdisk();
// Cleanup the PXE base code.
if ( (gBootFileType == kNetworkDeviceType) && gUnloadPXEOnExit ) {
if ( (ret = nbpUnloadBaseCode()) != nbpStatusSuccess ) {
printf("nbpUnloadBaseCode error %d\n", (int) ret);
sleep(2);
}
}
bool dummyVal;
if (getBoolForKey(kWaitForKeypressKey, &dummyVal, &bootInfo->chameleonConfig) && dummyVal) {
showTextBuffer(msgbuf, strlen(msgbuf));
}
usb_loop();
// If we were in text mode, switch to graphics mode.
// This will draw the boot graphics unless we are in
// verbose mode.
if (gVerboseMode) {
setVideoMode( GRAPHICS_MODE, 0 );
} else {
drawBootGraphics();
}
DBG("Starting Darwin/%s [%s]\n",( archCpuType == CPU_TYPE_I386 ) ? "x86" : "x86_64", gDarwinBuildVerStr);
DBG("Boot Args: %s\n", bootArgs->CommandLine);
setupBooterLog();
finalizeBootStruct();
// Jump to kernel's entry point. There's no going back now.
if ((checkOSVersion("10.7")) || (checkOSVersion("10.8")) || (checkOSVersion("10.9")))
{
// Notify modules that the kernel is about to be started
execute_hook("Kernel Start", (void*)kernelEntry, (void*)bootArgs, NULL, NULL);
// Masking out so that Lion doesn't doublefault
outb(0x21, 0xff); /* Maskout all interrupts Pic1 */
outb(0xa1, 0xff); /* Maskout all interrupts Pic2 */
startprog( kernelEntry, bootArgs );
} else {
// Notify modules that the kernel is about to be started
execute_hook("Kernel Start", (void*)kernelEntry, (void*)bootArgsPreLion, NULL, NULL);
startprog( kernelEntry, bootArgsPreLion );
}
// Not reached
return 0;
}
void showMessage(char * message)
{
showTextBuffer(message, strlen(message));
}