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Root/branches/azimutz/Chazi/i386/boot2/options.c

1/*
2 * Copyright (c) 1999-2004 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * Portions Copyright (c) 1999-2004 Apple Computer, Inc. All Rights
7 * Reserved. This file contains Original Code and/or Modifications of
8 * Original Code as defined in and that are subject to the Apple Public
9 * Source License Version 2.0 (the "License"). You may not use this file
10 * except in compliance with the License. Please obtain a copy of the
11 * License at http://www.apple.com/publicsource and read it before using
12 * this file.
13 *
14 * The Original Code and all software distributed under the License are
15 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
16 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
17 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE OR NON- INFRINGEMENT. Please see the
19 * License for the specific language governing rights and limitations
20 * under the License.
21 *
22 * @APPLE_LICENSE_HEADER_END@
23 */
24
25#include "boot.h"
26#include "fdisk.h"
27#include "ramdisk.h"
28#include "gui.h"
29#include "embedded.h"
30#include "pci.h"
31
32bool showBootBanner = true; //Azi:debuginfo
33static bool shouldboot = false;
34
35extern int multiboot_timeout;
36extern int multiboot_timeout_set;
37
38extern BVRef bvChain;
39//extern intmenucount;
40
41extern intgDeviceCount;
42chargMacOSVersion[8]; //Azi: moved from boot.c
43static bool getOSVersion(char *str); //||
44
45intselectIndex = 0;
46MenuItem * menuItems = NULL;
47
48enum {
49 kMenuTopRow = 5,
50 kMenuMaxItems = 10,
51 kScreenLastRow = 24
52};
53
54//==========================================================================
55
56typedef struct {
57 int x;
58 int y;
59 int type;
60} CursorState;
61
62static void changeCursor( int col, int row, int type, CursorState * cs )
63{
64 if (cs) getCursorPositionAndType( &cs->x, &cs->y, &cs->type );
65 setCursorType( type );
66 setCursorPosition( col, row, 0 );
67}
68
69static void moveCursor( int col, int row )
70{
71 setCursorPosition( col, row, 0 );
72}
73
74static void restoreCursor( const CursorState * cs )
75{
76 setCursorPosition( cs->x, cs->y, 0 );
77 setCursorType( cs->type );
78}
79
80//==========================================================================
81
82/* Flush keyboard buffer; returns TRUE if any of the flushed
83 * characters was F8.
84 */
85
86static bool flushKeyboardBuffer(void)
87{
88 bool status = false;
89
90 while ( readKeyboardStatus() ) {
91 if (bgetc() == 0x4200) status = true;
92 }
93 return status;
94}
95
96//==========================================================================
97
98static int countdown( const char * msg, int row, int timeout )
99{
100 unsigned long time;
101 int ch = 0;
102 int col = strlen(msg) + 1;
103
104 flushKeyboardBuffer();
105
106if( bootArgs->Video.v_display == VGA_TEXT_MODE )
107{
108moveCursor( 0, row );
109printf(msg);
110
111} else {
112
113position_t p = pos( gui.screen.width / 2 + 1 , ( gui.devicelist.pos.y + 3 ) + ( ( gui.devicelist.height - gui.devicelist.iconspacing ) / 2 ) );
114
115char dummy[80];
116getBootVolumeDescription( gBootVolume, dummy, sizeof(dummy) - 1, true );
117drawDeviceIcon( gBootVolume, gui.screen.pixmap, p, true );
118drawStrCenteredAt( (char *) msg, &font_small, gui.screen.pixmap, gui.countdown.pos );
119
120// make this screen the new background
121memcpy( gui.backbuffer->pixels, gui.screen.pixmap->pixels, gui.backbuffer->width * gui.backbuffer->height * 4 );
122
123}
124
125int multi_buff = 18 * (timeout);
126 int multi = ++multi_buff;
127
128 int lasttime=0;
129
130 for ( time = time18(), timeout++; timeout > 0; )
131 {
132if( time18() > lasttime)
133{
134multi--;
135lasttime=time18();
136}
137
138 if (ch = readKeyboardStatus())
139 break;
140
141 // Count can be interrupted by holding down shift,
142 // control or alt key
143 if ( ( readKeyboardShiftFlags() & 0x0F ) != 0 )
144{
145 ch = 1;
146 break;
147 }
148
149 if ( time18() >= time )
150 {
151 time += 18;
152 timeout--;
153
154if( bootArgs->Video.v_display == VGA_TEXT_MODE )
155{
156moveCursor( col, row );
157printf("(%d) ", timeout);
158}
159 }
160
161if( bootArgs->Video.v_display == GRAPHICS_MODE )
162{
163drawProgressBar( gui.screen.pixmap, 100, gui.progressbar.pos , ( multi * 100 / multi_buff ) );
164gui.redraw = true;
165updateVRAM();
166}
167
168 }
169
170 flushKeyboardBuffer();
171
172 return ch;
173}
174
175//==========================================================================
176
177static char gBootArgs[BOOT_STRING_LEN];
178static char * gBootArgsPtr = gBootArgs;
179static char * gBootArgsEnd = gBootArgs + BOOT_STRING_LEN - 1;
180static char booterCommand[BOOT_STRING_LEN];
181static char booterParam[BOOT_STRING_LEN];
182
183static void clearBootArgs(void)
184{
185gBootArgsPtr = gBootArgs;
186memset(gBootArgs, '\0', BOOT_STRING_LEN);
187
188if (bootArgs->Video.v_display == GRAPHICS_MODE) {
189clearGraphicBootPrompt();
190}
191}
192
193static void addBootArg(const char * argStr)
194{
195if ( (gBootArgsPtr + strlen(argStr) + 1) < gBootArgsEnd)
196{
197*gBootArgsPtr++ = ' ';
198strcat(gBootArgs, argStr);
199gBootArgsPtr += strlen(argStr);
200}
201}
202
203//==========================================================================
204
205static void showBootPrompt(int row, bool visible)
206{
207extern char bootPrompt[];
208extern char bootRescanPrompt[];
209
210if( bootArgs->Video.v_display == VGA_TEXT_MODE ) {
211changeCursor( 0, row, kCursorTypeUnderline, 0 );
212clearScreenRows( row, kScreenLastRow );
213}
214
215clearBootArgs();
216
217if (visible) {
218if (bootArgs->Video.v_display == VGA_TEXT_MODE) {
219if (gEnableCDROMRescan) {
220printf( bootRescanPrompt );
221} else {
222printf( bootPrompt );
223}
224}
225} else {
226if (bootArgs->Video.v_display == GRAPHICS_MODE) {
227clearGraphicBootPrompt();
228} else {
229printf("Press Enter to start up the foreign OS. ");
230}
231}
232}
233
234//==========================================================================
235
236static void updateBootArgs( int key )
237{
238 key &= kASCIIKeyMask;
239
240 switch ( key )
241 {
242 case kBackspaceKey:
243 if ( gBootArgsPtr > gBootArgs )
244 {
245 int x, y, t;
246 getCursorPositionAndType( &x, &y, &t );
247 if ( x == 0 && y )
248 {
249 x = 80; y--;
250 }
251 if (x)
252x--;
253if( bootArgs->Video.v_display == VGA_TEXT_MODE )
254{
255setCursorPosition( x, y, 0 );
256putca(' ', 0x07, 1);
257} else
258updateGraphicBootPrompt(kBackspaceKey);
259
260*gBootArgsPtr-- = '\0';
261}
262
263break;
264
265 default:
266 if ( key >= ' ' && gBootArgsPtr < gBootArgsEnd)
267 {
268if( bootArgs->Video.v_display == VGA_TEXT_MODE )
269putchar(key); // echo to screen
270else
271updateGraphicBootPrompt(key);
272*gBootArgsPtr++ = key;
273}
274
275break;
276 }
277}
278
279//==========================================================================
280
281static const MenuItem * gMenuItems = NULL;
282
283static int gMenuItemCount;
284static int gMenuRow;
285static int gMenuHeight;
286static int gMenuTop;
287static int gMenuBottom;
288static int gMenuSelection;
289
290static int gMenuStart;
291static int gMenuEnd;
292
293static void printMenuItem( const MenuItem * item, int highlight )
294{
295 printf(" ");
296
297 if ( highlight )
298 putca(' ', 0x70, strlen(item->name) + 4);
299 else
300 putca(' ', 0x07, 40);
301
302 printf(" %40s\n", item->name);
303}
304
305//==========================================================================
306
307static void showMenu( const MenuItem * items, int count,
308 int selection, int row, int height )
309{
310 int i;
311 CursorState cursorState;
312
313 if ( items == NULL || count == 0 )
314return;
315
316 // head and tail points to the start and the end of the list.
317 // top and bottom points to the first and last visible items
318 // in the menu window.
319
320 gMenuItems= items;
321 gMenuRow= row;
322 gMenuHeight= height;
323 gMenuItemCount= count;
324 gMenuTop= 0;
325 gMenuBottom= min( count, height ) - 1;
326 gMenuSelection= selection;
327
328 gMenuStart= 0;
329 gMenuEnd = min( count, gui.maxdevices ) - 1;
330
331// If the selected item is not visible, shift the list down.
332
333 if ( gMenuSelection > gMenuBottom )
334 {
335 gMenuTop += ( gMenuSelection - gMenuBottom );
336 gMenuBottom = gMenuSelection;
337 }
338
339if ( gMenuSelection > gMenuEnd )
340 {
341gMenuStart += ( gMenuSelection - gMenuEnd );
342 gMenuEnd = gMenuSelection;
343 }
344
345// Draw the visible items.
346
347if( bootArgs->Video.v_display == GRAPHICS_MODE )
348
349drawDeviceList(gMenuStart, gMenuEnd, gMenuSelection);
350
351else {
352
353changeCursor( 0, row, kCursorTypeHidden, &cursorState );
354
355for ( i = gMenuTop; i <= gMenuBottom; i++ )
356{
357printMenuItem( &items[i], (i == gMenuSelection) );
358}
359
360restoreCursor( &cursorState );
361 }
362}
363
364//==========================================================================
365
366static int updateMenu( int key, void ** paramPtr )
367{
368 int moved = 0;
369
370 union {
371 struct {
372 unsigned int
373 selectionUp : 1,
374 selectionDown : 1,
375 scrollUp : 1,
376 scrollDown : 1;
377 } f;
378 unsigned int w;
379 } draw = {{0}};
380
381 if ( gMenuItems == NULL )
382return 0;
383
384if( bootArgs->Video.v_display == GRAPHICS_MODE )
385{
386int res;
387
388// set navigation keys for horizontal layout as defaults
389int previous= 0x4B00;// left arrow
390int subsequent= 0x4D00;// right arrow
391int menu= 0x5000;// down arrow
392
393if ( gui.layout == VerticalLayout )
394{
395// set navigation keys for vertical layout
396previous= 0x4800;// up arrow
397subsequent= 0x5000;// down arrow
398menu= 0x4B00;// right arrow
399}
400
401if ( key == previous )
402{
403if ( gMenuSelection > gMenuTop )
404draw.f.selectionUp = 1;
405else if ( gMenuTop > 0 )
406draw.f.scrollDown = 1;
407
408}
409
410else if ( key == subsequent )
411{
412if ( gMenuSelection != gMenuBottom)
413draw.f.selectionDown = 1;
414else if ( gMenuBottom < ( gMenuItemCount - 1 ) )
415draw.f.scrollUp = 1;
416}
417
418else if ( key == menu )
419{
420if ( gui.menu.draw )
421updateInfoMenu(key);
422else
423drawInfoMenu();
424}
425
426else if ( gui.menu.draw )
427{
428res = updateInfoMenu(key);
429
430if ( res == CLOSE_INFO_MENU )
431gui.menu.draw = false;
432else
433{
434shouldboot = ( res != DO_NOT_BOOT );
435
436if ( shouldboot )
437gui.menu.draw = false;
438
439switch (res)
440{
441case BOOT_NORMAL:
442gVerboseMode = false;
443gBootMode = kBootModeNormal;
444break;
445
446case BOOT_VERBOSE:
447gVerboseMode = true;
448gBootMode = kBootModeNormal;
449addBootArg(kVerboseModeFlag);
450break;
451
452case BOOT_IGNORECACHE:
453gVerboseMode = false;
454gBootMode = kBootModeNormal;
455addBootArg(kIgnoreCachesFlag);
456break;
457
458case BOOT_SINGLEUSER:
459gVerboseMode = true;
460gBootMode = kBootModeNormal;
461addBootArg(kSingleUserModeFlag);
462break;
463}
464
465}
466
467}
468
469} else {
470switch ( key )
471{
472 case 0x4800: // Up Arrow
473if ( gMenuSelection != gMenuTop )
474draw.f.selectionUp = 1;
475else if ( gMenuTop > 0 )
476draw.f.scrollDown = 1;
477break;
478
479case 0x5000: // Down Arrow
480if ( gMenuSelection != gMenuBottom )
481draw.f.selectionDown = 1;
482else if ( gMenuBottom < (gMenuItemCount - 1) )
483draw.f.scrollUp = 1;
484break;
485}
486}
487
488 if ( draw.w )
489 {
490 if ( draw.f.scrollUp )
491 {
492 scollPage(0, gMenuRow, 40, gMenuRow + gMenuHeight - 1, 0x07, 1, 1);
493 gMenuTop++; gMenuBottom++;
494gMenuStart++; gMenuEnd++;
495 draw.f.selectionDown = 1;
496 }
497
498 if ( draw.f.scrollDown )
499 {
500 scollPage(0, gMenuRow, 40, gMenuRow + gMenuHeight - 1, 0x07, 1, -1);
501 gMenuTop--; gMenuBottom--;
502 gMenuStart--; gMenuEnd--;
503 draw.f.selectionUp = 1;
504 }
505
506 if ( draw.f.selectionUp || draw.f.selectionDown )
507 {
508
509CursorState cursorState;
510
511// Set cursor at current position, and clear inverse video.
512
513if( bootArgs->Video.v_display == VGA_TEXT_MODE )
514{
515changeCursor( 0, gMenuRow + gMenuSelection - gMenuTop, kCursorTypeHidden, &cursorState );
516printMenuItem( &gMenuItems[gMenuSelection], 0 );
517}
518
519if ( draw.f.selectionUp )
520{
521gMenuSelection--;
522if(( gMenuSelection - gMenuStart) == -1 )
523{
524gMenuStart--;
525gMenuEnd--;
526}
527
528} else {
529gMenuSelection++;
530if(( gMenuSelection - ( gui.maxdevices - 1) - gMenuStart) > 0 )
531{
532gMenuStart++;
533gMenuEnd++;
534}
535 }
536
537if( bootArgs->Video.v_display == VGA_TEXT_MODE )
538 {
539moveCursor( 0, gMenuRow + gMenuSelection - gMenuTop );
540printMenuItem( &gMenuItems[gMenuSelection], 1 );
541restoreCursor( &cursorState );
542
543 } else
544
545drawDeviceList (gMenuStart, gMenuEnd, gMenuSelection);
546
547}
548
549 *paramPtr = gMenuItems[gMenuSelection].param;
550 moved = 1;
551 }
552
553return moved;
554}
555
556//==========================================================================
557
558static void skipblanks( const char ** cpp )
559{
560 while ( **(cpp) == ' ' || **(cpp) == '\t' ) ++(*cpp);
561}
562
563//==========================================================================
564
565static const char * extractKernelName( char ** cpp )
566{
567 char * kn = *cpp;
568 char * cp = *cpp;
569 char c;
570
571 // Convert char to lower case.
572
573 c = *cp | 0x20;
574
575 // Must start with a letter or a '/'.
576
577 if ( (c < 'a' || c > 'z') && ( c != '/' ) )
578 return 0;
579
580 // Keep consuming characters until we hit a separator.
581
582 while ( *cp && (*cp != '=') && (*cp != ' ') && (*cp != '\t') )
583 cp++;
584
585 // Only SPACE or TAB separator is accepted.
586 // Reject everything else.
587
588 if (*cp == '=')
589 return 0;
590
591 // Overwrite the separator, and move the pointer past
592 // the kernel name.
593
594 if (*cp != '\0') *cp++ = '\0';
595 *cpp = cp;
596
597 return kn;
598}
599
600//==========================================================================
601
602static void
603printMemoryInfo(void)
604{
605 int line;
606 int i;
607 MemoryRange *mp = bootInfo->memoryMap;
608
609 // Activate and clear page 1
610 setActiveDisplayPage(1);
611 clearScreenRows(0, 24);
612 setCursorPosition( 0, 0, 1 );
613
614 printf("BIOS reported memory ranges:\n");
615 line = 1;
616 for (i=0; i<bootInfo->memoryMapCount; i++) {
617 printf("Base 0x%08x%08x, ",
618 (unsigned long)(mp->base >> 32),
619 (unsigned long)(mp->base));
620 printf("length 0x%08x%08x, type %d\n",
621 (unsigned long)(mp->length >> 32),
622 (unsigned long)(mp->length),
623 mp->type);
624 if (line++ > 20) {
625 pause();
626 line = 0;
627 }
628 mp++;
629 }
630 if (line > 0) {
631 pause();
632 }
633
634 setActiveDisplayPage(0);
635}
636
637char *getMemoryInfoString()
638{
639 int i;
640 MemoryRange *mp = bootInfo->memoryMap;
641char *buff = malloc(sizeof(char)*1024);
642if(!buff) return 0;
643
644char info[] = "BIOS reported memory ranges:\n";
645sprintf(buff, "%s", info);
646 for (i=0; i<bootInfo->memoryMapCount; i++) {
647 sprintf( buff+strlen(buff), "Base 0x%08x%08x, ",
648 (unsigned long)(mp->base >> 32),
649 (unsigned long)(mp->base));
650 sprintf( buff+strlen(buff), "length 0x%08x%08x, type %d\n",
651 (unsigned long)(mp->length >> 32),
652 (unsigned long)(mp->length),
653 mp->type);
654 mp++;
655 }
656return buff;
657}
658
659//==========================================================================
660
661void lspci(void)
662{
663if (bootArgs->Video.v_display == VGA_TEXT_MODE) {
664setActiveDisplayPage(1);
665clearScreenRows(0, 24);
666setCursorPosition(0, 0, 1);
667}
668
669dump_pci_dt(root_pci_dev->children);
670
671pause();
672
673if (bootArgs->Video.v_display == VGA_TEXT_MODE) {
674setActiveDisplayPage(0);
675}
676}
677
678//==========================================================================
679
680int getBootOptions(bool firstRun)
681{
682int i;
683int key;
684int nextRow;
685int timeout;
686int bvCount;
687BVRef bvr;
688BVRef menuBVR;
689bool showPrompt, newShowPrompt, isCDROM;
690
691// Initialize default menu selection entry.
692gBootVolume = menuBVR = selectBootVolume(bvChain);
693
694if (biosDevIsCDROM(gBIOSDev)) {
695isCDROM = true;
696} else {
697isCDROM = false;
698}
699
700// ensure we're in graphics mode if gui is setup
701if (gui.initialised && bootArgs->Video.v_display == VGA_TEXT_MODE)
702{
703setVideoMode(GRAPHICS_MODE, 0);
704}
705
706// Clear command line boot arguments
707clearBootArgs();
708
709// Allow user to override default timeout.
710if (multiboot_timeout_set) {
711timeout = multiboot_timeout;
712} else if (!getIntForKey(kTimeoutKey, &timeout, &bootInfo->bootConfig)) {
713/* If there is no timeout key in the file use the default timeout
714 which is different for CDs vs. hard disks. However, if not booting
715 a CD and no config file could be loaded set the timeout
716 to zero which causes the menu to display immediately.
717 This way, if no partitions can be found, that is the disk is unpartitioned
718 or simply cannot be read) then an empty menu is displayed.
719 If some partitions are found, for example a Windows partition, then
720 these will be displayed in the menu as foreign partitions.
721 */
722if (isCDROM) {
723timeout = kCDBootTimeout;
724} else {
725timeout = sysConfigValid ? kBootTimeout : 0;
726}
727}
728
729if (timeout < 0) {
730gBootMode |= kBootModeQuiet;
731}
732
733// If the user is holding down a modifier key, enter safe mode.
734if ((readKeyboardShiftFlags() & 0x0F) != 0) {
735gBootMode |= kBootModeSafe;
736}
737
738// Checking user pressed keys
739bool f8press = false, spress = false, vpress = false;
740while (readKeyboardStatus()) {
741key = bgetc ();
742if (key == 0x4200) f8press = true;
743if ((key & 0xff) == 's' || (key & 0xff) == 'S') spress = true;
744if ((key & 0xff) == 'v' || (key & 0xff) == 'V') vpress = true;
745}
746// If user typed F8, abort quiet mode, and display the menu.
747if (f8press) {
748gBootMode &= ~kBootModeQuiet;
749timeout = 0;
750}
751// If user typed 'v' or 'V', boot in verbose mode.
752if ((gBootMode & kBootModeQuiet) && firstRun && vpress) {
753addBootArg(kVerboseModeFlag);
754}
755// If user typed 's' or 'S', boot in single user mode.
756if ((gBootMode & kBootModeQuiet) && firstRun && spress) {
757addBootArg(kSingleUserModeFlag);
758}
759
760if (bootArgs->Video.v_display == VGA_TEXT_MODE) {
761setCursorPosition(0, 0, 0);
762clearScreenRows(0, kScreenLastRow);
763if (!(gBootMode & kBootModeQuiet)) {
764// Display banner and show hardware info.
765printf(bootBanner, (bootInfo->convmem + bootInfo->extmem) / 1024);
766printf(getVBEInfoString());
767}
768changeCursor(0, kMenuTopRow, kCursorTypeUnderline, 0);
769verbose("Scanning device %x...", gBIOSDev);
770}
771
772// When booting from CD, default to hard drive boot when possible.
773if (isCDROM && firstRun) {
774const char *val;
775char *prompt = NULL;
776char *name = NULL;
777int cnt;
778int optionKey;
779
780//Azi:---
781if (getValueForKey(kCDROMPromptKey, &val, &cnt, &bootInfo->bootConfig))
782{
783prompt = malloc(cnt + 1);
784strncat(prompt, val, cnt);
785}
786else
787{
788name = malloc(80);
789getBootVolumeDescription(gBootVolume, name, 79, false);
790prompt = malloc(256);
791//Azi: too long for 80X25, GUI=n, vmware, depending on the device name (more than 5 char).
792sprintf(prompt, "Press any key to start up from %s, or press F8 to enter startup options.", name);
793free(name);
794}
795
796if (getIntForKey( kCDROMOptionKey, &optionKey, &bootInfo->bootConfig ))
797{
798// The key specified is a special key.
799}
800else
801{
802// Default to F8.
803optionKey = 0x4200;
804}
805
806// If the timeout is zero then it must have been set above due to the
807// early catch of F8 which means the user wants to set boot options
808// which we ought to interpret as meaning he wants to boot the CD.
809if (timeout != 0) {
810key = countdown(prompt, kMenuTopRow, timeout);
811} else {
812key = optionKey;
813}
814
815if (prompt != NULL) {
816free(prompt);
817}
818
819clearScreenRows( kMenuTopRow, kMenuTopRow + 2 );
820
821// Hit the option key ?
822if (key == optionKey) {
823gBootMode &= ~kBootModeQuiet;
824timeout = 0;
825} else {
826key = key & 0xFF;
827
828// Try booting hard disk if user pressed 'h'
829if (biosDevIsCDROM(gBIOSDev) && key == 'h') {
830BVRef bvr;
831
832// Look at partitions hosting OS X other than the CD-ROM
833for (bvr = bvChain; bvr; bvr=bvr->next) {
834if ((bvr->flags & kBVFlagSystemVolume) && bvr->biosdev != gBIOSDev) {
835gBootVolume = bvr;
836}
837}
838}
839goto done;
840}
841}
842
843if (gBootMode & kBootModeQuiet) {
844// No input allowed from user.
845goto done;
846}
847
848if (firstRun && timeout > 0 && countdown("Press any key to enter startup options.", kMenuTopRow, timeout) == 0) {
849// If the user is holding down a modifier key,
850// enter safe mode.
851if ((readKeyboardShiftFlags() & 0x0F) != 0) {
852gBootMode |= kBootModeSafe;
853}
854goto done;
855}
856
857if (gDeviceCount) {
858// Allocate memory for an array of menu items.
859menuItems = malloc(sizeof(MenuItem) * gDeviceCount);
860if (menuItems == NULL) {
861goto done;
862}
863
864// Associate a menu item for each BVRef.
865for (bvr=bvChain, i=gDeviceCount-1, selectIndex=0; bvr; bvr=bvr->next) {
866if (bvr->visible) {
867getBootVolumeDescription(bvr, menuItems[i].name, sizeof(menuItems[i].name) - 1, true);
868menuItems[i].param = (void *) bvr;
869if (bvr == menuBVR) {
870selectIndex = i;
871}
872i--;
873}
874}
875}
876
877if (bootArgs->Video.v_display == GRAPHICS_MODE) {
878// redraw the background buffer
879gui.logo.draw = true;
880drawBackground();
881gui.devicelist.draw = true;
882gui.redraw = true;
883if (!(gBootMode & kBootModeQuiet)) {
884
885// Check if "Boot Banner"=N switch is present in config file.
886getBoolForKey(kBootBannerKey, &showBootBanner, &bootInfo->bootConfig);
887if (showBootBanner) {
888// Display banner and show hardware info.
889gprintf(&gui.screen, bootBanner + 1, (bootInfo->convmem + bootInfo->extmem) / 1024);
890}
891
892// redraw background
893memcpy(gui.backbuffer->pixels, gui.screen.pixmap->pixels, gui.backbuffer->width * gui.backbuffer->height * 4);
894}
895} else {
896// Clear screen and hide the blinking cursor.
897clearScreenRows(kMenuTopRow, kMenuTopRow + 2);
898changeCursor(0, kMenuTopRow, kCursorTypeHidden, 0);
899}
900
901nextRow = kMenuTopRow;
902showPrompt = true;
903
904if (gDeviceCount) {
905if( bootArgs->Video.v_display == VGA_TEXT_MODE ) {
906printf("Use \30\31 keys to select the startup volume.");
907}
908showMenu( menuItems, gDeviceCount, selectIndex, kMenuTopRow + 2, kMenuMaxItems );
909nextRow += min( gDeviceCount, kMenuMaxItems ) + 3;
910}
911
912// Show the boot prompt.
913showPrompt = (gDeviceCount == 0) || (menuBVR->flags & kBVFlagNativeBoot);
914showBootPrompt( nextRow, showPrompt );
915
916do {
917if (bootArgs->Video.v_display == GRAPHICS_MODE) {
918// redraw background
919memcpy( gui.backbuffer->pixels, gui.screen.pixmap->pixels, gui.backbuffer->width * gui.backbuffer->height * 4 );
920// reset cursor co-ords
921gui.debug.cursor = pos( gui.screen.width - 160 , 10 );
922}
923key = getc();
924updateMenu( key, (void **) &menuBVR );
925newShowPrompt = (gDeviceCount == 0) || (menuBVR->flags & kBVFlagNativeBoot);
926
927if (newShowPrompt != showPrompt) {
928showPrompt = newShowPrompt;
929showBootPrompt( nextRow, showPrompt );
930}
931
932if (showPrompt) {
933updateBootArgs(key);
934}
935
936switch (key) {
937case kReturnKey:
938if (gui.menu.draw) {
939key=0;
940break;
941}
942if (*gBootArgs == '?') {
943char * argPtr = gBootArgs;
944
945// Skip the leading "?" character.
946argPtr++;
947getNextArg(&argPtr, booterCommand);
948getNextArg(&argPtr, booterParam);
949
950/*
951* TODO: this needs to be refactored.
952*/
953if (strcmp( booterCommand, "video" ) == 0)
954{
955if (bootArgs->Video.v_display == GRAPHICS_MODE)
956{
957showInfoBox(getVBEInfoString(), getVBEModeInfoString());
958}
959else
960{
961printVBEModeInfo();
962}
963}
964else if ( strcmp( booterCommand, "memory" ) == 0)
965{
966if (bootArgs->Video.v_display == GRAPHICS_MODE )
967{
968showInfoBox("Memory Map", getMemoryInfoString());
969}
970else
971{
972printMemoryInfo();
973}
974}
975else if (strcmp(booterCommand, "lspci") == 0)
976{
977lspci();
978}
979else if (strcmp(booterCommand, "more") == 0)
980{
981showTextFile(booterParam);
982}
983else if (strcmp(booterCommand, "rd") == 0)
984{
985processRAMDiskCommand(&argPtr, booterParam);
986}
987else if (strcmp(booterCommand, "norescan") == 0)
988{
989if (gEnableCDROMRescan)
990{
991gEnableCDROMRescan = false;
992break;
993}
994}
995else
996{
997showHelp();
998}
999key = 0;
1000showBootPrompt(nextRow, showPrompt);
1001break;
1002}
1003gBootVolume = menuBVR;
1004setRootVolume(menuBVR);
1005gBIOSDev = menuBVR->biosdev;
1006break;
1007
1008case kEscapeKey:
1009clearBootArgs();
1010break;
1011
1012/*
1013 * AutoResolution - Reapply the patch if Graphics Mode was incorrect
1014 * or EDID Info was insane
1015 */
1016case kF2Key:
1017
1018//get the new Graphics Mode key
1019processBootOptions();
1020if ((gAutoResolution == TRUE) && map)
1021{
1022UInt32 params[4];
1023params[3] = 0;
1024//Has the target Resolution Changed ?
1025int count = getNumberArrayFromProperty(kGraphicsModeKey, params, 4);
1026if ( count < 3 )
1027getResolution(params);
1028
1029if ((params[0] != 0) && (params[1] != 0)
1030&&(params[0] != map->currentX) && (params[1] != map->currentY))
1031{
1032
1033//Go back to TEXT mode while we change the mode
1034if (bootArgs->Video.v_display == GRAPHICS_MODE)
1035{
1036CursorState cursorState;
1037
1038setVideoMode(VGA_TEXT_MODE, 0);
1039
1040setCursorPosition(0, 0, 0);
1041clearScreenRows(0, kScreenLastRow);
1042changeCursor( 0, 0, kCursorTypeHidden, &cursorState );
1043
1044//Reapply patch in case resolution have changed
1045
1046patchVbios(map, params[0], params[1], params[2], 0, 0);
1047
1048if (useGUI && (gui.initialised == true))
1049initGUI();
1050// Make sure all values are set
1051if (bootArgs->Video.v_display != GRAPHICS_MODE)
1052bootArgs->Video.v_display = GRAPHICS_MODE;
1053
1054if (!useGUI)
1055useGUI = true;
1056
1057// redraw the background buffer
1058drawBackground();
1059gui.devicelist.draw = true;
1060gui.redraw = true;
1061if (!(gBootMode & kBootModeQuiet))
1062{
1063
1064// Check if "Boot Banner"=N switch is present in config file.
1065getBoolForKey(kBootBannerKey, &showBootBanner, &bootInfo->bootConfig);
1066if (showBootBanner)
1067// Display banner and show hardware info.
1068gprintf(&gui.screen, bootBanner + 1, (bootInfo->convmem + bootInfo->extmem) / 1024);
1069
1070// redraw background
1071memcpy(gui.backbuffer->pixels, gui.screen.pixmap->pixels, gui.backbuffer->width * gui.backbuffer->height * 4);
1072}
1073
1074nextRow = kMenuTopRow;
1075showPrompt = true;
1076
1077if (gDeviceCount)
1078{
1079showMenu( menuItems, gDeviceCount, selectIndex, kMenuTopRow + 2, kMenuMaxItems );
1080nextRow += min( gDeviceCount, kMenuMaxItems ) + 3;
1081}
1082
1083// Show the boot prompt.
1084showPrompt = (gDeviceCount == 0) || (menuBVR->flags & kBVFlagNativeBoot);
1085showBootPrompt( nextRow, showPrompt );
1086
1087//this is used to avoid resetting the incorrect mode while quiting the boot menu
1088map->hasSwitched = true;
1089}
1090}
1091clearBootArgs();
1092key = 0;
1093}
1094break;
1095
1096case kF5Key:
1097// New behavior:
1098// Clear gBootVolume to restart the loop
1099// if the user enabled rescanning the optical drive.
1100// Otherwise boot the default boot volume.
1101if (gEnableCDROMRescan) {
1102gBootVolume = NULL;
1103clearBootArgs();
1104}
1105break;
1106
1107case kF10Key:
1108gScanSingleDrive = false;
1109scanDisks(gBIOSDev, &bvCount);
1110gBootVolume = NULL;
1111clearBootArgs();
1112break;
1113
1114case kTabKey:
1115// New behavior:
1116// Switch between text & graphic interfaces
1117// Only Permitted if started in graphics interface
1118if (useGUI) {
1119if (bootArgs->Video.v_display == GRAPHICS_MODE) {
1120setVideoMode(VGA_TEXT_MODE, 0);
1121
1122setCursorPosition(0, 0, 0);
1123clearScreenRows(0, kScreenLastRow);
1124
1125// Display banner and show hardware info.
1126printf(bootBanner, (bootInfo->convmem + bootInfo->extmem) / 1024);
1127printf(getVBEInfoString());
1128
1129clearScreenRows(kMenuTopRow, kMenuTopRow + 2);
1130changeCursor(0, kMenuTopRow, kCursorTypeHidden, 0);
1131
1132nextRow = kMenuTopRow;
1133showPrompt = true;
1134
1135if (gDeviceCount) {
1136printf("Use \30\31 keys to select the startup volume.");
1137showMenu(menuItems, gDeviceCount, selectIndex, kMenuTopRow + 2, kMenuMaxItems);
1138nextRow += min(gDeviceCount, kMenuMaxItems) + 3;
1139}
1140
1141showPrompt = (gDeviceCount == 0) || (menuBVR->flags & kBVFlagNativeBoot);
1142showBootPrompt(nextRow, showPrompt);
1143//changeCursor( 0, kMenuTopRow, kCursorTypeUnderline, 0 );
1144} else {
1145gui.redraw = true;
1146setVideoMode(GRAPHICS_MODE, 0);
1147updateVRAM();
1148}
1149}
1150key = 0;
1151break;
1152
1153default:
1154key = 0;
1155break;
1156}
1157} while (0 == key);
1158
1159done:
1160if (bootArgs->Video.v_display == VGA_TEXT_MODE) {
1161clearScreenRows(kMenuTopRow, kScreenLastRow);
1162changeCursor(0, kMenuTopRow, kCursorTypeUnderline, 0);
1163}
1164shouldboot = false;
1165gui.menu.draw = false;
1166if (menuItems) {
1167free(menuItems);
1168menuItems = NULL;
1169}
1170return 0;
1171}
1172
1173//==========================================================================
1174
1175extern unsigned char chainbootdev;
1176extern unsigned char chainbootflag;
1177
1178bool copyArgument(const char *argName, const char *val, int cnt, char **argP, int *cntRemainingP)
1179{
1180 int argLen = argName ? strlen(argName) : 0;
1181 int len = argLen + cnt + 1; // +1 to account for space
1182
1183 if (len > *cntRemainingP) {
1184 error("Warning: boot arguments too long, truncating\n");
1185 return false;
1186 }
1187
1188 if (argName) {
1189 strncpy( *argP, argName, argLen );
1190 *argP += argLen;
1191 *argP[0] = '=';
1192 (*argP)++;
1193 len++; // +1 to account for '='
1194 }
1195 strncpy( *argP, val, cnt );
1196 *argP += cnt;
1197 *argP[0] = ' ';
1198 (*argP)++;
1199
1200 *cntRemainingP -= len;
1201 return true;
1202}
1203
1204//
1205// Returns TRUE if an argument was copied, FALSE otherwise
1206bool
1207processBootArgument(
1208 const char *argName, // The argument to search for
1209 const char *userString, // Typed-in boot arguments
1210 const char *kernelFlags, // Kernel flags from config table
1211 const char *configTable,
1212 char **argP, // Output value
1213 int *cntRemainingP, // Output count
1214 char *foundVal // found value
1215 )
1216{
1217 const char *val;
1218 int cnt;
1219 bool found = false;
1220
1221 if (getValueForBootKey(userString, argName, &val, &cnt)) {
1222 // Don't copy; these values will be copied at the end of argument processing.
1223 found = true;
1224 } else if (getValueForBootKey(kernelFlags, argName, &val, &cnt)) {
1225 // Don't copy; these values will be copied at the end of argument processing.
1226 found = true;
1227 } else if (getValueForKey(argName, &val, &cnt, &bootInfo->bootConfig)) {
1228 copyArgument(argName, val, cnt, argP, cntRemainingP);
1229 found = true;
1230 }
1231 if (found && foundVal) {
1232 strlcpy(foundVal, val, cnt+1);
1233 }
1234 return found;
1235}
1236
1237// Maximum config table value size
1238#define VALUE_SIZE 2048
1239
1240int
1241processBootOptions()
1242{
1243 const char * cp = gBootArgs;
1244 const char * val = 0;
1245 const char * kernel;
1246 int cnt;
1247 int userCnt;
1248 int cntRemaining;
1249 char * argP;
1250 char uuidStr[64];
1251 bool uuidSet = false;
1252 char * configKernelFlags;
1253 char * valueBuffer;
1254
1255 valueBuffer = malloc(VALUE_SIZE);
1256
1257 skipblanks( &cp );
1258
1259 // Update the unit and partition number.
1260
1261 if ( gBootVolume )
1262 {
1263 if (!( gBootVolume->flags & kBVFlagNativeBoot ))
1264 {
1265 readBootSector( gBootVolume->biosdev, gBootVolume->part_boff,
1266 (void *) 0x7c00 );
1267
1268 //
1269 // Setup edx, and signal intention to chain load the
1270 // foreign booter.
1271 //
1272
1273 chainbootdev = gBootVolume->biosdev;
1274 chainbootflag = 1;
1275
1276 return 1;
1277 }
1278
1279 setRootVolume(gBootVolume);
1280
1281 }
1282 // If no boot volume fail immediately because we're just going to fail
1283 // trying to load the config file anyway.
1284 else
1285 return -1;
1286
1287// Moved here to enable search for override Boot.plist on OS specific folders.
1288// Find out which Mac OS version we're booting.
1289getOSVersion(gMacOSVersion);
1290
1291//Azi: implemented at loadOverrideConfig.
1292 // Load config table specified by the user, or use the default.
1293 //if (!getValueForBootKey(cp, "config", &val, &cnt)) {
1294 // val = 0;
1295 // cnt = 0;
1296 //}
1297
1298 // Load com.apple.Boot.plist from the selected volume
1299 // and use its contents to override default bootConfig.
1300 // This is not a mandatory operation anymore.
1301
1302 loadOverrideConfig(&bootInfo->overrideConfig);
1303
1304 // Use the kernel name specified by the user, or fetch the name
1305 // in the config table, or use the default if not specified.
1306 // Specifying a kernel name on the command line, or specifying
1307 // a non-default kernel name in the config file counts as
1308 // overriding the kernel, which causes the kernelcache not
1309 // to be used.
1310
1311 gOverrideKernel = false;
1312 if (( kernel = extractKernelName((char **)&cp) )) {
1313 strcpy( bootInfo->bootFile, kernel );
1314 gOverrideKernel = true;
1315 } else {
1316 if ( getValueForKey( kKernelNameKey, &val, &cnt, &bootInfo->bootConfig ) ) {
1317 strlcpy( bootInfo->bootFile, val, cnt+1 );
1318 if (strcmp( bootInfo->bootFile, kDefaultKernelName ) != 0) {
1319 gOverrideKernel = true;
1320 }
1321 } else {
1322 strcpy( bootInfo->bootFile, kDefaultKernelName );
1323 }
1324 }
1325
1326 cntRemaining = BOOT_STRING_LEN - 2; // save 1 for NULL, 1 for space
1327 argP = bootArgs->CommandLine;
1328
1329 // Get config table kernel flags, if not ignored.
1330 if (getValueForBootKey(cp, kIgnoreBootFileFlag, &val, &cnt) ||
1331 !getValueForKey( kKernelFlagsKey, &val, &cnt, &bootInfo->bootConfig )) {
1332 val = "";
1333 cnt = 0;
1334 }
1335 configKernelFlags = malloc(cnt + 1);
1336 strlcpy(configKernelFlags, val, cnt + 1);
1337
1338 if (processBootArgument(kBootUUIDKey, cp, configKernelFlags, bootInfo->config, &argP, &cntRemaining, 0))
1339{
1340 // boot-uuid was set either on the command-line or in the config file.
1341 uuidSet = true;
1342 }
1343else
1344{
1345 //
1346 // Try an alternate method for getting the root UUID on boot helper partitions.
1347 //
1348 if (gBootVolume->flags & kBVFlagBooter)
1349 {
1350 if ((loadHelperConfig(&bootInfo->helperConfig) == 0) &&
1351getValueForKey(kHelperRootUUIDKey, &val, &cnt, &bootInfo->helperConfig) )
1352 {
1353 getValueForKey(kHelperRootUUIDKey, &val, &cnt, &bootInfo->helperConfig);
1354 copyArgument(kBootUUIDKey, val, cnt, &argP, &cntRemaining);
1355 uuidSet = true;
1356 }
1357 }
1358
1359 if (!uuidSet && gBootVolume->fs_getuuid && gBootVolume->fs_getuuid (gBootVolume, uuidStr) == 0)
1360{
1361 verbose("Setting boot-uuid to: %s\n", uuidStr);
1362 copyArgument(kBootUUIDKey, uuidStr, strlen(uuidStr), &argP, &cntRemaining);
1363 uuidSet = true;
1364 }
1365 }
1366
1367 if (!processBootArgument(kRootDeviceKey, cp, configKernelFlags, bootInfo->config, &argP, &cntRemaining, gRootDevice))
1368{
1369 cnt = 0;
1370 if ( getValueForKey( kBootDeviceKey, &val, &cnt, &bootInfo->bootConfig))
1371{
1372 valueBuffer[0] = '*';
1373 cnt++;
1374 strlcpy(valueBuffer + 1, val, cnt);
1375 val = valueBuffer;
1376 }
1377else
1378{
1379 if (uuidSet)
1380{
1381 val = "*uuid";
1382 cnt = 5;
1383 }
1384else
1385{
1386 // Don't set "rd=.." if there is no boot device key
1387 // and no UUID.
1388 val = "";
1389 cnt = 0;
1390 }
1391 }
1392
1393 if (cnt > 0)
1394{
1395 copyArgument( kRootDeviceKey, val, cnt, &argP, &cntRemaining);
1396 }
1397 strlcpy( gRootDevice, val, (cnt + 1));
1398 }
1399
1400 if (!getValueForBootKey(cp, kSafeModeFlag, &val, &cnt) &&
1401 !getValueForBootKey(configKernelFlags, kSafeModeFlag, &val, &cnt))
1402{
1403 if (gBootMode & kBootModeSafe)
1404{
1405 copyArgument(0, kSafeModeFlag, strlen(kSafeModeFlag), &argP, &cntRemaining);
1406 }
1407 }
1408
1409 // Store the merged kernel flags and boot args.
1410
1411 cnt = strlen(configKernelFlags);
1412 if (cnt) {
1413 if (cnt > cntRemaining) {
1414 error("Warning: boot arguments too long, truncating\n");
1415 cnt = cntRemaining;
1416 }
1417 strncpy(argP, configKernelFlags, cnt);
1418 argP[cnt++] = ' ';
1419 cntRemaining -= cnt;
1420 }
1421 userCnt = strlen(cp);
1422 if (userCnt > cntRemaining) {
1423 error("Warning: boot arguments too long, truncating\n");
1424 userCnt = cntRemaining;
1425 }
1426 strncpy(&argP[cnt], cp, userCnt);
1427 argP[cnt+userCnt] = '\0';
1428
1429if(!shouldboot)
1430{
1431gVerboseMode = getValueForKey( kVerboseModeFlag, &val, &cnt, &bootInfo->bootConfig ) ||
1432getValueForKey( kSingleUserModeFlag, &val, &cnt, &bootInfo->bootConfig );
1433
1434gBootMode = ( getValueForKey( kSafeModeFlag, &val, &cnt, &bootInfo->bootConfig ) ) ?
1435kBootModeSafe : kBootModeNormal;
1436
1437 if ( getValueForKey( kIgnoreCachesFlag, &val, &cnt, &bootInfo->bootConfig ) ) {
1438 gBootMode = kBootModeSafe;
1439 }
1440}
1441
1442if ( getValueForKey( kMKextCacheKey, &val, &cnt, &bootInfo->bootConfig ) )
1443{
1444strlcpy(gMKextName, val, cnt + 1);
1445}
1446
1447 free(configKernelFlags);
1448 free(valueBuffer);
1449
1450 return 0;
1451}
1452
1453static bool getOSVersion(char *str) //Azi: moved from boot.c
1454{
1455bool valid = false;
1456config_file_t systemVersion;
1457const char *val;
1458int len;
1459
1460if (!loadConfigFile("/System/Library/CoreServices/SystemVersion.plist", &systemVersion))
1461{ //Azi: so, is this path on selected or current volume??
1462valid = true;
1463}
1464else if (!loadConfigFile("/System/Library/CoreServices/ServerVersion.plist", &systemVersion))
1465{
1466valid = true;
1467}
1468
1469if (valid)
1470{
1471if (getValueForKey("ProductVersion", &val, &len, &systemVersion))
1472{
1473// getValueForKey uses const char for val
1474// so copy it and trim
1475*str = '\0';
1476strncat(str, val, min(len, 4));
1477}
1478else
1479valid = false;
1480}
1481
1482return valid;
1483}
1484
1485//==========================================================================
1486// Load the help file and display the file contents on the screen.
1487
1488static void showTextBuffer(char *buf, int size)
1489{
1490char*bp;
1491intline;
1492intline_offset;
1493intc;
1494
1495if (bootArgs->Video.v_display == GRAPHICS_MODE) {
1496showInfoBox( "Press q to quit\n",buf );
1497return;
1498}
1499
1500 bp = buf;
1501 while (size-- > 0) {
1502if (*bp == '\n') {
1503*bp = '\0';
1504}
1505bp++;
1506 }
1507 *bp = '\1';
1508 line_offset = 0;
1509
1510 setActiveDisplayPage(1);
1511
1512 while (1) {
1513clearScreenRows(0, 24);
1514setCursorPosition(0, 0, 1);
1515bp = buf;
1516for (line = 0; *bp != '\1' && line < line_offset; line++) {
1517while (*bp != '\0') {
1518bp++;
1519}
1520bp++;
1521}
1522for (line = 0; *bp != '\1' && line < 23; line++) {
1523setCursorPosition(0, line, 1);
1524printf("%s\n", bp);
1525while (*bp != '\0') {
1526bp++;
1527}
1528bp++;
1529}
1530
1531setCursorPosition(0, 23, 1);
1532if (*bp == '\1') {
1533printf("[Type %sq or space to quit viewer]", (line_offset > 0) ? "p for previous page, " : "");
1534} else {
1535printf("[Type %s%sq to quit viewer]", (line_offset > 0) ? "p for previous page, " : "", (*bp != '\1') ? "space for next page, " : "");
1536}
1537
1538c = getc();
1539if (c == 'q' || c == 'Q') {
1540break;
1541}
1542if ((c == 'p' || c == 'P') && line_offset > 0) {
1543line_offset -= 23;
1544}
1545if (c == ' ') {
1546if (*bp == '\1') {
1547break;
1548} else {
1549line_offset += 23;
1550}
1551}
1552 }
1553 setActiveDisplayPage(0);
1554}
1555
1556void showHelp(void)
1557{
1558if (bootArgs->Video.v_display == GRAPHICS_MODE) {
1559showInfoBox("Help. Press q to quit.\n", (char *)BootHelp_txt);
1560} else {
1561showTextBuffer((char *)BootHelp_txt, BootHelp_txt_len);
1562}
1563}
1564
1565void showTextFile(const char * filename) //Azi:?more
1566{
1567#define MAX_TEXT_FILE_SIZE 65536
1568char *buf;
1569int fd;
1570int size;
1571
1572if ((fd = open_bvdev("bt(0,0)", filename, 0)) < 0)
1573{
1574printf("\nFile not found: %s\n", filename);
1575sleep(2);
1576return;
1577}
1578
1579 size = file_size(fd);
1580
1581 if (size > MAX_TEXT_FILE_SIZE)
1582 {
1583size = MAX_TEXT_FILE_SIZE;
1584}
1585
1586 buf = malloc(size);
1587 read(fd, buf, size);
1588 close(fd);
1589
1590showTextBuffer(buf, size);
1591free(buf);
1592}
1593
1594// This is a very simplistic prompting scheme that just grabs two hex characters
1595// Eventually we need to do something more user-friendly like display a menu
1596// based off of the Multiboot device list
1597
1598int selectAlternateBootDevice(int bootdevice)
1599{
1600int key;
1601int newbootdevice;
1602int digitsI = 0;
1603char *end;
1604char digits[3] = {0,0,0};
1605
1606// We've already printed the current boot device so user knows what it is
1607printf("Typical boot devices are 80 (First HD), 81 (Second HD)\n");
1608printf("Enter two-digit hexadecimal boot device [%02x]: ", bootdevice);
1609do {
1610key = getc();
1611switch (key & kASCIIKeyMask) {
1612case kBackspaceKey:
1613if (digitsI > 0) {
1614int x, y, t;
1615getCursorPositionAndType(&x, &y, &t);
1616// Assume x is not 0;
1617x--;
1618setCursorPosition(x,y,0); // back up one char
1619// Overwrite with space without moving cursor position
1620putca(' ', 0x07, 1);
1621digitsI--;
1622} else {
1623// TODO: Beep or something
1624}
1625break;
1626
1627case kReturnKey:
1628digits[digitsI] = '\0';
1629newbootdevice = strtol(digits, &end, 16);
1630if (end == digits && *end == '\0') {
1631// User entered empty string
1632printf("\nUsing default boot device %x\n", bootdevice);
1633key = 0;
1634} else if(end != digits && *end == '\0') {
1635bootdevice = newbootdevice;
1636printf("\n");
1637key = 0; // We gots da boot device
1638} else {
1639printf("\nCouldn't parse. try again: ");
1640digitsI = 0;
1641}
1642break;
1643
1644default:
1645if (isxdigit(key & kASCIIKeyMask) && digitsI < 2) {
1646putc(key & kASCIIKeyMask);
1647digits[digitsI++] = key & kASCIIKeyMask;
1648} else {
1649// TODO: Beep or something
1650}
1651break;
1652};
1653} while (key != 0);
1654
1655return bootdevice;
1656}
1657
1658bool promptForRescanOption(void)
1659{
1660printf("\nWould you like to enable media rescan option?\nPress ENTER to enable or any key to skip.\n");
1661if (getc() == kReturnKey) {
1662return true;
1663} else {
1664return false;
1665}
1666}
1667

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Revision: 520