int getchar_replacement() {
int code = bgetc();
int status = readKeyboardShiftFlags();
uint8_t scancode = code >> 8;
// Special scancode sent when alt + some keys are pressed
if (scancode >= 0x78 && scancode <= 0x83)
scancode -= 0x76;
if (scancode < KEYBOARD_MAP_SIZE && !(status & (STATUS_LCTRL| STATUS_RCTRL))) {
int key;
if ((status & (STATUS_LALT|STATUS_RALT)) &&
(status & (STATUS_LSHIFT|STATUS_RSHIFT|STATUS_CAPS))) {
key=current_layout->keyboard_map_shift_alt[scancode];
}
else if (status & (STATUS_LSHIFT|STATUS_RSHIFT|STATUS_CAPS))
key=current_layout->keyboard_map_shift[scancode];
else if (status & (STATUS_LALT|STATUS_RALT))
key=current_layout->keyboard_map_alt[scancode];
else
key=current_layout->keyboard_map[scancode];
if (key != 0) // do the mapping
code = key;
}
if (ASCII_KEY(code) != 0) // if ascii not null return it
code = ASCII_KEY(code);
//printf("Code: %04x\n",code);
return (code);
}
static int countdown( const char * msg, register int row, register int timeout, int *optionKey )
{
register unsigned long time;
int ch = 0;
register int col = strlen(msg) + 1;
flushKeyboardBuffer();
moveCursor( 0, row );
printf("%s",msg);
for ( time = time18(), timeout++; timeout > 0; )
{
if ((ch = readKeyboardStatus())){
*optionKey = ch;
break;
}
// Count can be interrupted by holding down shift,
// control or alt key
if ( ( readKeyboardShiftFlags() & 0x0F ) != 0 )
{
ch = 1;
break;
}
if ( time18() >= time )
{
time += 18;
timeout--;
moveCursor( col, row );
printf("(%d)", timeout);
#ifdef ShowCurrentDate
printf("\n\n\n\nCurrent Date : %s", Date());
#endif
}
}
flushKeyboardBuffer();
return ch;
}
static int countdown( const char * msg, int row, int timeout )
{
unsigned long time;
int ch = 0;
int col = strlen(msg) + 1;
flushKeyboardBuffer();
moveCursor( 0, row );
printf(msg);
for ( time = time18(), timeout++; timeout > 0; )
{
if (ch = readKeyboardStatus())
break;
// Count can be interrupted by holding down shift,
// control or alt key
if ( ( readKeyboardShiftFlags() & 0x0F ) != 0 ) {
ch = 1;
break;
}
if ( time18() >= time )
{
time += 18;
timeout--;
moveCursor( col, row );
printf("(%d) ", timeout);
}
}
flushKeyboardBuffer();
return ch;
}
static int countdown( const char * msg, int row, int timeout )
{
unsigned long time;
int ch = 0;
int col = strlen(msg) + 1;
flushKeyboardBuffer();
if( bootArgs->Video.v_display == VGA_TEXT_MODE )
{
moveCursor( 0, row );
printf(msg);
} else {
position_t p = pos( gui.screen.width / 2 + 1 , ( gui.devicelist.pos.y + 3 ) + ( ( gui.devicelist.height - gui.devicelist.iconspacing ) / 2 ) );
char dummy[80];
getBootVolumeDescription( gBootVolume, dummy, sizeof(dummy) - 1, true );
drawDeviceIcon( gBootVolume, gui.screen.pixmap, p, true );
drawStrCenteredAt( (char *) msg, &font_small, gui.screen.pixmap, gui.countdown.pos );
// make this screen the new background
memcpy( gui.backbuffer->pixels, gui.screen.pixmap->pixels, gui.backbuffer->width * gui.backbuffer->height * 4 );
}
int multi_buff = 18 * (timeout);
int multi = ++multi_buff;
int lasttime=0;
for ( time = time18(), timeout++; timeout > 0; )
{
if( time18() > lasttime)
{
multi--;
lasttime=time18();
}
if (ch = readKeyboardStatus())
break;
// Count can be interrupted by holding down shift,
// control or alt key
if ( ( readKeyboardShiftFlags() & 0x0F ) != 0 )
{
ch = 1;
break;
}
if ( time18() >= time )
{
time += 18;
timeout--;
if( bootArgs->Video.v_display == VGA_TEXT_MODE )
{
moveCursor( col, row );
printf("(%d) ", timeout);
}
}
if( bootArgs->Video.v_display == GRAPHICS_MODE )
{
drawProgressBar( gui.screen.pixmap, 100, gui.progressbar.pos , ( multi * 100 / multi_buff ) );
gui.redraw = true;
updateVRAM();
}
}
flushKeyboardBuffer();
return ch;
}
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 (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->bootConfig)) {
/* 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;
}
// 18seven's Quick-args macro
bool f8 = false, altf = false, shiftf = false, alts = false,
altv = false, altx = false; // x32 = false, x64 = false;
while (readKeyboardStatus())
{
key = bgetc ();
if (key == 0x4200) f8 = true;
if (key == 0x2100) altf = true;
if (key == 0x0046) shiftf = true;
if (key == 0x1F00) alts = true;
if (key == 0x2F00) altv = true;
if (key == 0x2D00) altx = true;
/* if (key == 0x0004) x32 = true;
if (key == 0x0007) x64 = true;
*/ }
// If user typed F8, abort quiet mode, and display the menu.
if (f8) {
gBootMode &= ~kBootModeQuiet;
timeout = 0;
}
// If user typed 'alt-v', boot in verbose mode.
if ((gBootMode & kBootModeQuiet) && firstRun && altv) {
addBootArg(kVerboseModeFlag);
}
// If user typed 'alt-s', boot in single user mode.
if ((gBootMode & kBootModeQuiet) && firstRun && alts) {
addBootArg(kSingleUserModeFlag);
}
if ((gBootMode & kBootModeQuiet) && firstRun && altf) {
addBootArg(kIgnoreCachesFlag);
}
if ((gBootMode & kBootModeQuiet) && firstRun && shiftf) {
addBootArg(kIgnoreBootFileFlag);
}
if ((gBootMode & kBootModeQuiet) && firstRun && altx) {
addBootArg(kSafeModeFlag);
}
/*
if ((gBootMode & kBootModeQuiet) && firstRun && x32) {
addBootArg(k32BitModeFlag);
}
if ((gBootMode & kBootModeQuiet) && firstRun && x64) {
addBootArg(k64BitModeFlag);
}
*/
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->bootConfig)) {
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->bootConfig )) {
// 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) {
// 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=0; 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--;
}
}
}
if (bootArgs->Video.v_display == GRAPHICS_MODE) {
// redraw the background buffer
gui.logo.draw = true;
drawBackground();
gui.devicelist.draw = true;
gui.redraw = true;
if (!(gBootMode & kBootModeQuiet)) {
bool showBootBanner = true;
// Check if "Boot Banner"=N switch is present in config file.
getBoolForKey(kBootBannerKey, &showBootBanner, &bootInfo->bootConfig);
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 == GRAPHICS_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 = getc();
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 kReturnKey:
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 == GRAPHICS_MODE) {
showInfoBox(getVBEInfoString(), getVBEModeInfoString());
} else {
printVBEModeInfo();
}
} else if ( strcmp( booterCommand, "memory" ) == 0) {
if (bootArgs->Video.v_display == GRAPHICS_MODE ) {
showInfoBox("Memory Map", getMemoryInfoString());
} else {
printMemoryInfo();
}
} else if (strcmp(booterCommand, "lspci") == 0) {
lspci();
} 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 kEscapeKey:
clearBootArgs();
break;
case kF2Key:
/*
* AutoResolution - Reapply the patch if Graphics Mode was incorrect or EDID Info was insane
*/
if ((gAutoResolution == TRUE) && map)
{
// get the new Graphics Mode key
processBootOptions();
UInt32 params[4];
params[3] = 0;
//Has the target Resolution Changed ?
int count = getNumberArrayFromProperty(kGraphicsModeKey, params, 4);
if ( count < 3 )
getResolution(params);
if ((params[0] != 0) && (params[1] != 0)
&& (params[0] != map->currentX) && (params[1] != map->currentY))
{
//Go back to TEXT mode while we change the mode
if (bootArgs->Video.v_display == GRAPHICS_MODE)
{
CursorState cursorState;
setVideoMode(VGA_TEXT_MODE, 0);
setCursorPosition(0, 0, 0);
clearScreenRows(0, kScreenLastRow);
changeCursor( 0, 0, kCursorTypeHidden, &cursorState );
//Reapply patch in case resolution have changed
patchVbios(map, params[0], params[1], params[2], 0, 0);
if (useGUI && (gui.initialised == true))
initGUI();
// Make sure all values are set
if (bootArgs->Video.v_display != GRAPHICS_MODE)
bootArgs->Video.v_display = GRAPHICS_MODE;
if (!useGUI)
useGUI = true;
// redraw the background buffer
drawBackground();
gui.devicelist.draw = true;
gui.redraw = true;
if (!(gBootMode & kBootModeQuiet))
{
bool showBootBanner = true;
// Check config file.
getBoolForKey(kBootBannerKey, &showBootBanner, &bootInfo->bootConfig);
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);
}
nextRow = kMenuTopRow;
showPrompt = true;
if (gDeviceCount)
{
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 );
//this is used to avoid resetting the incorrect mode while quiting the boot menu
map->hasSwitched = true;
}
}
clearBootArgs();
key = 0;
}
break;
case kF5Key:
// 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 kF10Key:
gScanSingleDrive = false;
scanDisks(gBIOSDev, &bvCount);
gBootVolume = NULL;
clearBootArgs();
break;
case kTabKey:
// New behavior:
// Switch between text & graphic interfaces
// Only Permitted if started in graphics interface
if (useGUI)
{
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 );
/*
* AutoResolution - make sure all values are set
*/
bootArgs->Video.v_display = VGA_TEXT_MODE;
useGUI = false;
}
else
{
gui.redraw = true;
setVideoMode(GRAPHICS_MODE, 0);
/*
* AutoResolution - make sure all values are set
*/
bootArgs->Video.v_display = GRAPHICS_MODE;
useGUI = true;
updateVRAM();
}
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;
}
return 0;
}
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;
}
int getBootOptions(bool firstRun)
{
int i;
int key;
int nextRow;
int timeout;
#if UNUSED
int bvCount;
#endif
BVRef bvr;
BVRef menuBVR;
bool showPrompt, newShowPrompt, isCDROM;
int optionKey;
// Initialize default menu selection entry.
menuBVR = selectBootVolume(getBvChain());
safe_set_env(envgBootVolume, (uint32_t)menuBVR);
if (biosDevIsCDROM((int)get_env(envgBIOSDev))) {
isCDROM = true;
} else {
isCDROM = false;
}
// Clear command line boot arguments
clearBootArgs();
// Allow user to override default timeout.
#if UNUSED
if (multiboot_timeout_set) {
timeout = multiboot_timeout;
} else
#endif
if (!getIntForKey(kTimeoutKey, &timeout, DEFAULT_BOOT_CONFIG)) {
/* 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 = get_env(envSysConfigValid) ? kBootTimeout : 0;
}
}
long gBootMode = (long)get_env(envgBootMode);
if (timeout < 0) {
gBootMode |= kBootModeQuiet;
safe_set_env(envgBootMode,gBootMode);
}
// If the user is holding down a modifier key, enter safe mode.
if ((readKeyboardShiftFlags() & 0x0F) != 0) {
gBootMode |= kBootModeSafe;
safe_set_env(envgBootMode,gBootMode);
}
// 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;
safe_set_env(envgBootMode,gBootMode);
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);
}
setCursorPosition(0, 0, 0);
clearScreenRows(0, kScreenLastRow);
if (!(gBootMode & kBootModeQuiet)) {
// Display banner and show hardware info.
char * bootBanner = (char*)(uint32_t)get_env(envBootBanner);
printf(bootBanner, (int)(get_env(envConvMem) + get_env(envExtMem)) / 1024);
}
changeCursor(0, kMenuTopRow, kCursorTypeUnderline, 0);
msglog("Scanning device %x...", (uint32_t)get_env(envgBIOSDev));
// 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;
if (getValueForKey(kCDROMPromptKey, &val, &cnt, DEFAULT_BOOT_CONFIG)) {
prompt = calloc(cnt + 1, sizeof(char));
if (!prompt) {
stop("Couldn't allocate memory for the prompt\n"); //TODO: Find a better stategie
return -1;
}
strncat(prompt, val, cnt);
} else {
prompt = calloc(256, sizeof(char));
if (!prompt) {
stop("Couldn't allocate memory for the prompt\n"); //TODO: Find a better stategie
return -1;
}
BVRef bvr;
if (( bvr = ((BVRef)(uint32_t)get_env(envgBootVolume)))) {
name = calloc(80, sizeof(char));
if (!name) {
stop("Couldn't allocate memory for the device name\n"); //TODO: Find a better stategie
return -1;
}
getBootVolumeDescription(bvr, name, 79, false);
snprintf(prompt, 256,"Press ENTER to start up from %s, or press any key to enter startup options.", name);
free(name);
} else snprintf(prompt, 256,"Press ENTER to start up, or press any key to enter startup options.");
}
if (getIntForKey( kCDROMOptionKey, &optionKey, DEFAULT_BOOT_CONFIG )) {
// 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, &optionKey);
} else {
key = optionKey;
}
if (prompt != NULL) {
free(prompt);
}
clearScreenRows( kMenuTopRow, kMenuTopRow + 2 );
do {
// Hit the option key ?
if (key == optionKey) {
if (key != 0x1C0D) {
gBootMode &= ~kBootModeQuiet;
safe_set_env(envgBootMode,gBootMode);
timeout = 0;
break;
}
}
key = key & 0xFF;
// Try booting hard disk if user pressed 'h'
if (biosDevIsCDROM((int)get_env(envgBIOSDev)) && key == 'h') {
BVRef bvr;
// Look at partitions hosting OS X other than the CD-ROM
for (bvr = getBvChain(); bvr; bvr=bvr->next) {
if ((bvr->flags & kBVFlagSystemVolume) && bvr->biosdev != (int)get_env(envgBIOSDev)) {
safe_set_env(envgBootVolume, (uint32_t)bvr);
}
}
}
goto done;
} while (0);
}
if (get_env(envgBootMode) & kBootModeQuiet) {
// No input allowed from user.
goto done;
}
if (firstRun && timeout > 0 ) {
key = countdown("Press ENTER to start up, or press any key to enter startup options.", kMenuTopRow, timeout, &optionKey);
if (key == 0x1C0D) {
goto done;
}
else if (key == 0)
{
// If the user is holding down a modifier key,
// enter safe mode.
if ((readKeyboardShiftFlags() & 0x0F) != 0) {
gBootMode |= kBootModeSafe;
safe_set_env(envgBootMode,gBootMode);
}
goto done;
}
}
int devcnt = (int)get_env(envgDeviceCount);
if (devcnt) {
// Allocate memory for an array of menu items.
menuItems = calloc(devcnt,sizeof(MenuItem));
if (menuItems == NULL) {
goto done;
}
// Associate a menu item for each BVRef.
for (bvr=getBvChain(), i=devcnt-1, selectIndex=0; 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--;
}
}
}
// Clear screen and hide the blinking cursor.
clearScreenRows(kMenuTopRow, kMenuTopRow + 2);
changeCursor(0, kMenuTopRow, kCursorTypeHidden, 0);
nextRow = kMenuTopRow;
/*showPrompt = true;*/
if (devcnt) {
printf("Use \30\31 keys to select the startup volume.");
showMenu( menuItems, devcnt, selectIndex, kMenuTopRow + 2, kMenuMaxItems );
nextRow += min( devcnt, kMenuMaxItems ) + 3;
}
// Show the boot prompt.
showPrompt = (devcnt == 0) || (menuBVR->flags & kBVFlagNativeBoot);
showBootPrompt( nextRow, showPrompt );
do {
key = getc();
updateMenu( key, (void **) &menuBVR );
newShowPrompt = (devcnt == 0) || (menuBVR->flags & kBVFlagNativeBoot);
if (newShowPrompt != showPrompt)
{
showPrompt = newShowPrompt;
showBootPrompt( nextRow, showPrompt );
}
if (showPrompt)
{
updateBootArgs(key);
}
switch (key) {
case kReturnKey:
if (*gBootArgs == '?') {
char * argPtr = gBootArgs;
// Skip the leading "?" character.
argPtr++;
getNextArg(&argPtr, booterCommand);
getNextArg(&argPtr, booterParam);
/*
* TODO: this needs to be refactored.
*/
#if UNUSED
if (strncmp( booterCommand, "video", sizeof("video") ) == 0)
{
printVBEModeInfo();
}
else
#endif
if ( strncmp( booterCommand, "memory", sizeof("memory") ) == 0)
{
printMemoryInfo();
}
else if (strncmp(booterCommand, "lspci", sizeof( "lspci")) == 0)
{
lspci();
}
else if (strncmp(booterCommand, "more", sizeof("more")) == 0)
{
showTextFile(booterParam);
}
else if (strncmp(booterCommand, "rd", sizeof("rd")) == 0)
{
if (execute_hook("processRAMDiskCommand", (void*)argPtr, &booterParam, NULL, NULL, NULL, NULL) != EFI_SUCCESS)
showMessage("ramdisk module not found, please install RamdiskLoader.dylib in /Extra/modules/");
}
else if (strncmp(booterCommand, "norescan", sizeof("norescan")) == 0)
{
if (get_env(envgEnableCDROMRescan))
{
safe_set_env(envgEnableCDROMRescan,false);
break;
}
}
else
{
showHelp();
}
key = 0;
showBootPrompt(nextRow, showPrompt);
break;
}
safe_set_env(envgBootVolume, (uint32_t)menuBVR);
setRootVolume(menuBVR);
safe_set_env(envgBIOSDev,menuBVR->biosdev);
break;
case kEscapeKey:
clearBootArgs();
break;
case kF5Key:
// New behavior:
// Clear gBootVolume to restart the loop
// if the user enabled rescanning the optical drive.
// Otherwise boot the default boot volume.
if (get_env(envgEnableCDROMRescan)) {
//gBootVolume = NULL;
safe_set_env(envgBootVolume, (uint32_t)NULL);
clearBootArgs();
}
break;
case kF10Key:
safe_set_env(envgScanSingleDrive, false);
scanDisks();
//gBootVolume = NULL;
safe_set_env(envgBootVolume, (uint32_t)NULL);
clearBootArgs();
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);
}
safe_set_env(envShouldboot, false);
if (menuItems) {
free(menuItems);
menuItems = NULL;
}
return 0;
}
int
getBootOptions(BOOL firstRun)
{
int i;
int key;
int selectIndex = 0;
int bvCount;
int nextRow;
int timeout;
BVRef bvr;
BVRef bvChain;
BVRef menuBVR;
BOOL showPrompt, newShowPrompt, isCDROM;
MenuItem * menuItems = NULL;
if ( diskIsCDROM(gBootVolume) )
isCDROM = TRUE;
else
isCDROM = FALSE;
// Allow user to override default timeout.
if ( getIntForKey(kTimeoutKey, &timeout) == NO )
{
if ( isCDROM )
timeout = kCDBootTimeout;
else
timeout = kBootTimeout;
}
if (timeout < 0) gBootMode |= kBootModeQuiet;
// If the user is holding down a modifier key,
// enter safe mode.
if ( ( readKeyboardShiftFlags() & 0x0F ) != 0 ) {
gBootMode |= kBootModeSafe;
}
// If user typed F8, abort quiet mode,
// and display the menu.
if (flushKeyboardBuffer()) {
gBootMode &= ~kBootModeQuiet;
timeout = 0;
}
clearBootArgs();
setCursorPosition( 0, 0, 0 );
clearScreenRows( 0, kScreenLastRow );
if ( ! ( gBootMode & kBootModeQuiet ) ) {
// Display banner and show hardware info.
printf( bootBanner, (bootInfo->convmem + bootInfo->extmem) / 1024 );
printVBEInfo();
}
changeCursor( 0, kMenuTopRow, kCursorTypeUnderline, 0 );
verbose("Scanning device %x...", gBIOSDev);
// Get a list of bootable volumes on the device.
bvChain = scanBootVolumes( gBIOSDev, &bvCount );
gBootVolume = menuBVR = selectBootVolume( bvChain );
// When booting from CD, default to hard
// drive boot when possible.
if ( isCDROM )
{
const char *val;
char *prompt;
int cnt;
int optionKey;
if (getValueForKey( kCDROMPromptKey, &val, &cnt )) {
cnt += 1;
prompt = malloc(cnt);
strlcpy(prompt, val, cnt);
} else {
prompt = "Press any key to start up from CD-ROM, "
"or press F8 to enter startup options.";
cnt = 0;
}
if (getIntForKey( kCDROMOptionKey, &optionKey )) {
// The key specified is a special key.
} else if (getValueForKey( kCDROMOptionKey, &val, &cnt) && cnt >= 1) {
optionKey = val[0];
} else {
// Default to F8.
optionKey = 0x4200;
}
key = countdown(prompt, kMenuTopRow, timeout);
if (cnt)
free(prompt);
clearScreenRows( kMenuTopRow, kMenuTopRow + 2 );
if (key == 0) {
// Boot from hard disk.
// Scan the original device 0x80.
BVRef hd_bvr = selectBootVolume(scanBootVolumes(0x80, 0));
if ( hd_bvr->flags & kBVFlagNativeBoot ) {
gBootVolume = hd_bvr;
gBIOSDev = hd_bvr->biosdev;
initKernBootStruct( gBIOSDev );
goto done;
}
} else {
if (optionKey < 0x100)
key = key & 0x5F;
if (key != optionKey)
goto done;
}
gBootMode &= ~kBootModeQuiet;
timeout = 0;
}
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 ( bvCount )
{
// Allocate memory for an array of menu items.
menuItems = (MenuItem *) malloc( sizeof(MenuItem) * bvCount );
if ( menuItems == NULL ) goto done;
// Associate a menu item for each BVRef.
for ( bvr = bvChain, i = bvCount - 1, selectIndex = 0;
bvr; bvr = bvr->next, i-- )
{
getBootVolumeDescription( bvr, menuItems[i].name, 80, YES );
menuItems[i].param = (void *) bvr;
if ( bvr == menuBVR ) selectIndex = i;
}
}
// Clear screen and hide the blinking cursor.
clearScreenRows( kMenuTopRow, kMenuTopRow + 2 );
changeCursor( 0, kMenuTopRow, kCursorTypeHidden, 0 );
nextRow = kMenuTopRow;
showPrompt = YES;
// Show the menu.
if ( bvCount )
{
printf("Use \30\31 keys to select the startup volume.");
showMenu( menuItems, bvCount, selectIndex, kMenuTopRow + 2, kMenuMaxItems );
nextRow += min( bvCount, kMenuMaxItems ) + 3;
}
// Show the boot prompt.
showPrompt = (bvCount == 0) || (menuBVR->flags & kBVFlagNativeBoot);
showBootPrompt( nextRow, showPrompt );
do {
key = getc();
updateMenu( key, (void **) &menuBVR );
newShowPrompt = (bvCount == 0) ||
(menuBVR->flags & kBVFlagNativeBoot);
if ( newShowPrompt != showPrompt )
{
showPrompt = newShowPrompt;
showBootPrompt( nextRow, showPrompt );
}
if ( showPrompt ) updateBootArgs( key );
switch ( key & kASCIIKeyMask )
{
case kReturnKey:
if ( *gBootArgs == '?' )
{
if ( strcmp( gBootArgs, "?video" ) == 0 ) {
printVBEModeInfo();
} else if ( strcmp( gBootArgs, "?memory" ) == 0 ) {
printMemoryInfo();
} else {
showHelp();
}
key = 0;
showBootPrompt( nextRow, showPrompt );
break;
}
gBootVolume = menuBVR;
break;
case kEscapeKey:
clearBootArgs();
break;
default:
key = 0;
}
}
while ( 0 == key );
done:
firstRun = NO;
clearScreenRows( kMenuTopRow, kScreenLastRow );
changeCursor( 0, kMenuTopRow, kCursorTypeUnderline, 0 );
if ( menuItems ) free(menuItems);
return 0;
}
int
getBootOptions(BOOL firstRun)
{
int i;
int key;
int selectIndex = 0;
int bvCount;
int nextRow;
int timeout;
BVRef bvr;
BVRef bvChain;
BVRef menuBVR;
BOOL showPrompt, newShowPrompt;
MenuItem * menuItems = NULL;
// Allow user to override default timeout.
if ( getIntForKey(kTimeoutKey, &timeout) == NO )
{
timeout = kBootTimeout;
}
// If the user is holding down a shift key,
// abort quiet mode.
if ( ( readKeyboardShiftFlags() & 0x0F ) != 0 ) {
gBootMode &= ~kBootModeQuiet;
}
// If user typed F8, abort quiet mode,
// and display the menu.
if (flushKeyboardBuffer()) {
gBootMode &= ~kBootModeQuiet;
timeout = 0;
}
clearBootArgs();
setCursorPosition( 0, 0, 0 );
clearScreenRows( 0, kScreenLastRow );
if ( ! ( gBootMode & kBootModeQuiet ) ) {
// Display banner and show hardware info.
printf( bootBanner, (bootArgs->convmem + bootArgs->extmem) / 1024 );
printVBEInfo();
}
changeCursor( 0, kMenuTopRow, kCursorTypeUnderline, 0 );
verbose("Scanning device %x...", gBIOSDev);
// Get a list of bootable volumes on the device.
bvChain = scanBootVolumes( gBIOSDev, &bvCount );
gBootVolume = menuBVR = selectBootVolume( bvChain );
#if 0
// When booting from CD (via HD emulation), default to hard
// drive boot when possible.
if ( gBootVolume->part_type == FDISK_BOOTER &&
gBootVolume->biosdev == 0x80 )
{
// Scan the original device 0x80 that has been displaced
// by the CD-ROM.
BVRef hd_bvr = selectBootVolume(scanBootVolumes(0x81, 0));
if ( hd_bvr->flags & kBVFlagNativeBoot )
{
int key = countdown("Press C to start up from CD-ROM.",
kMenuTopRow, 5);
if ( (key & 0x5f) != 'c' )
{
gBootVolume = hd_bvr;
gBIOSDev = hd_bvr->biosdev;
initKernBootStruct( gBIOSDev );
goto done;
}
}
}
#endif
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 ) )
{
goto done;
}
if ( bvCount )
{
// Allocate memory for an array of menu items.
menuItems = (MenuItem *) malloc( sizeof(MenuItem) * bvCount );
if ( menuItems == NULL ) goto done;
// Associate a menu item for each BVRef.
for ( bvr = bvChain, i = bvCount - 1, selectIndex = 0;
bvr; bvr = bvr->next, i-- )
{
getBootVolumeDescription( bvr, menuItems[i].name, 80, YES );
menuItems[i].param = (void *) bvr;
if ( bvr == menuBVR ) selectIndex = i;
}
}
// Clear screen and hide the blinking cursor.
clearScreenRows( kMenuTopRow, kMenuTopRow + 2 );
changeCursor( 0, kMenuTopRow, kCursorTypeHidden, 0 );
nextRow = kMenuTopRow;
showPrompt = YES;
// Show the menu.
if ( bvCount )
{
printf("Use \30\31 keys to select the startup volume.");
showMenu( menuItems, bvCount, selectIndex, kMenuTopRow + 2, kMenuMaxItems );
nextRow += min( bvCount, kMenuMaxItems ) + 3;
}
// Show the boot prompt.
showPrompt = (bvCount == 0) || (menuBVR->flags & kBVFlagNativeBoot);
showBootPrompt( nextRow, showPrompt );
do {
key = getc();
updateMenu( key, (void **) &menuBVR );
newShowPrompt = (bvCount == 0) ||
(menuBVR->flags & kBVFlagNativeBoot);
if ( newShowPrompt != showPrompt )
{
showPrompt = newShowPrompt;
showBootPrompt( nextRow, showPrompt );
}
if ( showPrompt ) updateBootArgs( key );
switch ( key & kASCIIKeyMask )
{
case kReturnKey:
if ( *gBootArgs == '?' )
{
if ( strcmp( gBootArgs, "?video" ) == 0 ) {
printVBEModeInfo();
} else if ( strcmp( gBootArgs, "?memory" ) == 0 ) {
printMemoryInfo();
} else {
showHelp();
}
key = 0;
showBootPrompt( nextRow, showPrompt );
break;
}
gBootVolume = menuBVR;
break;
case kEscapeKey:
clearBootArgs();
break;
default:
key = 0;
}
}
while ( 0 == key );
done:
firstRun = NO;
clearScreenRows( kMenuTopRow, kScreenLastRow );
changeCursor( 0, kMenuTopRow, kCursorTypeUnderline, 0 );
if ( menuItems ) free(menuItems);
return 0;
}