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Root/branches/azimutz/CleanCut/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 "bootstruct.h"
27#include "fdisk.h"
28#include "ramdisk.h"
29#include "gui.h"
30#include "embedded.h"
31#include "pci.h"
32#include "sl.h"
33
34static bool shouldboot = false;
35
36extern int multiboot_timeout;
37extern int multiboot_timeout_set;
38
39extern BVRef bvChain;
40//extern intmenucount;
41
42extern intgDeviceCount;
43chargMacOSVersion[8];
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, 80, 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;
776char *name;
777int cnt;
778int optionKey;
779
780if (getValueForKey(kCDROMPromptKey, &val, &cnt, &bootInfo->bootConfig)) {
781cnt += 1;
782prompt = malloc(cnt);
783strlcpy(prompt, val, cnt);
784} else {
785name = malloc(80);
786getBootVolumeDescription(gBootVolume, name, 80, false);
787prompt = malloc(256);
788sprintf(prompt, "Press any key to start up from %s, or press F8 to enter startup options.", name);
789free(name);
790cnt = 0;
791}
792
793if (getIntForKey( kCDROMOptionKey, &optionKey, &bootInfo->bootConfig )) {
794// The key specified is a special key.
795} else if (getValueForKey( kCDROMOptionKey, &val, &cnt, &bootInfo->bootConfig ) && cnt >= 1) {
796optionKey = val[0];
797} else {
798// Default to F8.
799optionKey = 0x4200;
800}
801
802// If the timeout is zero then it must have been set above due to the
803// early catch of F8 which means the user wants to set boot options
804// which we ought to interpret as meaning he wants to boot the CD.
805if (timeout != 0) {
806key = countdown(prompt, kMenuTopRow, timeout);
807} else {
808key = optionKey;
809}
810
811if (cnt) {
812free(prompt);
813}
814
815clearScreenRows( kMenuTopRow, kMenuTopRow + 2 );
816
817// Hit the option key ?
818if (key == optionKey) {
819gBootMode &= ~kBootModeQuiet;
820timeout = 0;
821} else {
822key = key & 0xFF;
823
824// Try booting hard disk if user pressed 'h'
825if (biosDevIsCDROM(gBIOSDev) && key == 'h') {
826BVRef bvr;
827
828// Look at partitions hosting OS X other than the CD-ROM
829for (bvr = bvChain; bvr; bvr=bvr->next) {
830if ((bvr->flags & kBVFlagSystemVolume) && bvr->biosdev != gBIOSDev) {
831gBootVolume = bvr;
832}
833}
834}
835goto done;
836}
837}
838
839if (gBootMode & kBootModeQuiet) {
840// No input allowed from user.
841goto done;
842}
843
844if (firstRun && timeout > 0 && countdown("Press any key to enter startup options.", kMenuTopRow, timeout) == 0) {
845// If the user is holding down a modifier key,
846// enter safe mode.
847if ((readKeyboardShiftFlags() & 0x0F) != 0) {
848gBootMode |= kBootModeSafe;
849}
850goto done;
851}
852
853if (gDeviceCount) {
854// Allocate memory for an array of menu items.
855menuItems = malloc(sizeof(MenuItem) * gDeviceCount);
856if (menuItems == NULL) {
857goto done;
858}
859
860// Associate a menu item for each BVRef.
861for (bvr=bvChain, i=gDeviceCount-1, selectIndex=0; bvr; bvr=bvr->next) {
862if (bvr->visible) {
863getBootVolumeDescription(bvr, menuItems[i].name, 80, true);
864menuItems[i].param = (void *) bvr;
865if (bvr == menuBVR) {
866selectIndex = i;
867}
868i--;
869}
870}
871}
872
873if (bootArgs->Video.v_display == GRAPHICS_MODE) {
874// redraw the background buffer
875gui.logo.draw = true;
876drawBackground();
877gui.devicelist.draw = true;
878gui.redraw = true;
879if (!(gBootMode & kBootModeQuiet)) {
880bool showBootBanner = true;
881
882// Check if "Boot Banner"=N switch is present in config file.
883getBoolForKey(kBootBannerKey, &showBootBanner, &bootInfo->bootConfig);
884if (showBootBanner) {
885// Display banner and show hardware info.
886gprintf(&gui.screen, bootBanner + 1, (bootInfo->convmem + bootInfo->extmem) / 1024);
887}
888
889// redraw background
890memcpy(gui.backbuffer->pixels, gui.screen.pixmap->pixels, gui.backbuffer->width * gui.backbuffer->height * 4);
891}
892} else {
893// Clear screen and hide the blinking cursor.
894clearScreenRows(kMenuTopRow, kMenuTopRow + 2);
895changeCursor(0, kMenuTopRow, kCursorTypeHidden, 0);
896}
897
898nextRow = kMenuTopRow;
899showPrompt = true;
900
901if (gDeviceCount) {
902if( bootArgs->Video.v_display == VGA_TEXT_MODE ) {
903printf("Use \30\31 keys to select the startup volume.");
904}
905showMenu( menuItems, gDeviceCount, selectIndex, kMenuTopRow + 2, kMenuMaxItems );
906nextRow += min( gDeviceCount, kMenuMaxItems ) + 3;
907}
908
909// Show the boot prompt.
910showPrompt = (gDeviceCount == 0) || (menuBVR->flags & kBVFlagNativeBoot);
911showBootPrompt( nextRow, showPrompt );
912
913do {
914if (bootArgs->Video.v_display == GRAPHICS_MODE) {
915// redraw background
916memcpy( gui.backbuffer->pixels, gui.screen.pixmap->pixels, gui.backbuffer->width * gui.backbuffer->height * 4 );
917// reset cursor co-ords
918gui.debug.cursor = pos( gui.screen.width - 160 , 10 );
919}
920key = getc();
921updateMenu( key, (void **) &menuBVR );
922newShowPrompt = (gDeviceCount == 0) || (menuBVR->flags & kBVFlagNativeBoot);
923
924if (newShowPrompt != showPrompt) {
925showPrompt = newShowPrompt;
926showBootPrompt( nextRow, showPrompt );
927}
928
929if (showPrompt) {
930updateBootArgs(key);
931}
932
933switch (key) {
934case kReturnKey:
935if (gui.menu.draw) {
936key=0;
937break;
938}
939if (*gBootArgs == '?') {
940char * argPtr = gBootArgs;
941
942// Skip the leading "?" character.
943argPtr++;
944getNextArg(&argPtr, booterCommand);
945getNextArg(&argPtr, booterParam);
946
947/*
948* TODO: this needs to be refactored.
949*/
950if (strcmp( booterCommand, "video" ) == 0) {
951if (bootArgs->Video.v_display == GRAPHICS_MODE) {
952showInfoBox(getVBEInfoString(), getVBEModeInfoString());
953} else {
954printVBEModeInfo();
955}
956} else if ( strcmp( booterCommand, "memory" ) == 0) {
957if (bootArgs->Video.v_display == GRAPHICS_MODE ) {
958showInfoBox("Memory Map", getMemoryInfoString());
959} else {
960printMemoryInfo();
961}
962} else if (strcmp(booterCommand, "lspci") == 0) {
963lspci();
964} else if (strcmp(booterCommand, "more") == 0) {
965showTextFile(booterParam);
966} else if (strcmp(booterCommand, "rd") == 0) {
967processRAMDiskCommand(&argPtr, booterParam);
968} else if (strcmp(booterCommand, "norescan") == 0) {
969if (gEnableCDROMRescan) {
970gEnableCDROMRescan = false;
971break;
972}
973} else {
974showHelp();
975}
976key = 0;
977showBootPrompt(nextRow, showPrompt);
978break;
979}
980gBootVolume = menuBVR;
981setRootVolume(menuBVR);
982gBIOSDev = menuBVR->biosdev;
983break;
984
985case kEscapeKey:
986clearBootArgs();
987break;
988
989case kF5Key:
990// New behavior:
991// Clear gBootVolume to restart the loop
992// if the user enabled rescanning the optical drive.
993// Otherwise boot the default boot volume.
994if (gEnableCDROMRescan) {
995gBootVolume = NULL;
996clearBootArgs();
997}
998break;
999
1000case kF10Key:
1001gScanSingleDrive = false;
1002scanDisks(gBIOSDev, &bvCount);
1003gBootVolume = NULL;
1004clearBootArgs();
1005break;
1006
1007case kTabKey:
1008// New behavior:
1009// Switch between text & graphic interfaces
1010// Only Permitted if started in graphics interface
1011if (useGUI) {
1012if (bootArgs->Video.v_display == GRAPHICS_MODE) {
1013setVideoMode(VGA_TEXT_MODE, 0);
1014
1015setCursorPosition(0, 0, 0);
1016clearScreenRows(0, kScreenLastRow);
1017
1018// Display banner and show hardware info.
1019printf(bootBanner, (bootInfo->convmem + bootInfo->extmem) / 1024);
1020printf(getVBEInfoString());
1021
1022clearScreenRows(kMenuTopRow, kMenuTopRow + 2);
1023changeCursor(0, kMenuTopRow, kCursorTypeHidden, 0);
1024
1025nextRow = kMenuTopRow;
1026showPrompt = true;
1027
1028if (gDeviceCount) {
1029printf("Use \30\31 keys to select the startup volume.");
1030showMenu(menuItems, gDeviceCount, selectIndex, kMenuTopRow + 2, kMenuMaxItems);
1031nextRow += min(gDeviceCount, kMenuMaxItems) + 3;
1032}
1033
1034showPrompt = (gDeviceCount == 0) || (menuBVR->flags & kBVFlagNativeBoot);
1035showBootPrompt(nextRow, showPrompt);
1036//changeCursor( 0, kMenuTopRow, kCursorTypeUnderline, 0 );
1037} else {
1038gui.redraw = true;
1039setVideoMode(GRAPHICS_MODE, 0);
1040updateVRAM();
1041}
1042}
1043key = 0;
1044break;
1045
1046default:
1047key = 0;
1048break;
1049}
1050} while (0 == key);
1051
1052done:
1053if (bootArgs->Video.v_display == VGA_TEXT_MODE) {
1054clearScreenRows(kMenuTopRow, kScreenLastRow);
1055changeCursor(0, kMenuTopRow, kCursorTypeUnderline, 0);
1056}
1057shouldboot = false;
1058gui.menu.draw = false;
1059if (menuItems) {
1060free(menuItems);
1061menuItems = NULL;
1062}
1063return 0;
1064}
1065
1066//==========================================================================
1067
1068extern unsigned char chainbootdev;
1069extern unsigned char chainbootflag;
1070
1071bool copyArgument(const char *argName, const char *val, int cnt, char **argP, int *cntRemainingP)
1072{
1073 int argLen = argName ? strlen(argName) : 0;
1074 int len = argLen + cnt + 1; // +1 to account for space
1075
1076 if (len > *cntRemainingP) {
1077 error("Warning: boot arguments too long, truncating\n");
1078 return false;
1079 }
1080
1081 if (argName) {
1082 strncpy( *argP, argName, argLen );
1083 *argP += argLen;
1084 *argP[0] = '=';
1085 (*argP)++;
1086 len++; // +1 to account for '='
1087 }
1088 strncpy( *argP, val, cnt );
1089 *argP += cnt;
1090 *argP[0] = ' ';
1091 (*argP)++;
1092
1093 *cntRemainingP -= len;
1094 return true;
1095}
1096
1097//
1098// Returns TRUE if an argument was copied, FALSE otherwise
1099bool
1100processBootArgument(
1101 const char *argName, // The argument to search for
1102 const char *userString, // Typed-in boot arguments
1103 const char *kernelFlags, // Kernel flags from config table
1104 const char *configTable,
1105 char **argP, // Output value
1106 int *cntRemainingP, // Output count
1107 char *foundVal // found value
1108 )
1109{
1110 const char *val;
1111 int cnt;
1112 bool found = false;
1113
1114 if (getValueForBootKey(userString, argName, &val, &cnt)) {
1115 // Don't copy; these values will be copied at the end of argument processing.
1116 found = true;
1117 } else if (getValueForBootKey(kernelFlags, argName, &val, &cnt)) {
1118 // Don't copy; these values will be copied at the end of argument processing.
1119 found = true;
1120 } else if (getValueForKey(argName, &val, &cnt, &bootInfo->bootConfig)) {
1121 copyArgument(argName, val, cnt, argP, cntRemainingP);
1122 found = true;
1123 }
1124 if (found && foundVal) {
1125 strlcpy(foundVal, val, cnt+1);
1126 }
1127 return found;
1128}
1129
1130// Maximum config table value size
1131#define VALUE_SIZE 2048
1132
1133int
1134processBootOptions()
1135{
1136 const char * cp = gBootArgs;
1137 const char * val = 0;
1138 const char * kernel;
1139const char*value;
1140int len;
1141 int cnt;
1142 int userCnt;
1143 int cntRemaining;
1144 char * argP;
1145 char uuidStr[64];
1146 bool uuidSet = false;
1147 char * configKernelFlags;
1148 char * valueBuffer;
1149config_file_t systemVersion;
1150
1151 valueBuffer = malloc(VALUE_SIZE);
1152
1153 skipblanks( &cp );
1154
1155 // Update the unit and partition number.
1156
1157 if ( gBootVolume )
1158 {
1159 if (!( gBootVolume->flags & kBVFlagNativeBoot ))
1160 {
1161 readBootSector( gBootVolume->biosdev, gBootVolume->part_boff,
1162 (void *) 0x7c00 );
1163
1164 //
1165 // Setup edx, and signal intention to chain load the
1166 // foreign booter.
1167 //
1168
1169 chainbootdev = gBootVolume->biosdev;
1170 chainbootflag = 1;
1171
1172 return 1;
1173 }
1174
1175 setRootVolume(gBootVolume);
1176
1177 }
1178 // If no boot volume fail immediately because we're just going to fail
1179 // trying to load the config file anyway.
1180 else
1181 return -1;
1182
1183// Needed here to enable search for override Boot.plist on OS specific folders.
1184// Find out which Mac OS version we're booting.
1185if (!loadConfigFile("/System/Library/CoreServices/SystemVersion.plist", &systemVersion))
1186{
1187if (getValueForKey(kProductVersion, &value, &len, &systemVersion))
1188{
1189// getValueForKey uses const char for val
1190// so copy it and trim
1191strncpy(gMacOSVersion, value, MIN(len, 4));
1192gMacOSVersion[MIN(len, 4)] = '\0';
1193}
1194}
1195
1196//Azi: implemented at loadOverrideConfig.
1197 // Load config table specified by the user, or use the default.
1198 //if (!getValueForBootKey(cp, "config", &val, &cnt)) {
1199 // val = 0;
1200 // cnt = 0;
1201 //}
1202
1203 // Load com.apple.Boot.plist from the selected volume
1204 // and use its contents to override default bootConfig.
1205 // This is not a mandatory operation anymore.
1206
1207 loadOverrideConfig(&bootInfo->overrideConfig);
1208
1209 // Use the kernel name specified by the user, or fetch the name
1210 // in the config table, or use the default if not specified.
1211 // Specifying a kernel name on the command line, or specifying
1212 // a non-default kernel name in the config file counts as
1213 // overriding the kernel, which causes the kernelcache not
1214 // to be used.
1215
1216 gOverrideKernel = false;
1217 if (( kernel = extractKernelName((char **)&cp) )) {
1218 strcpy( bootInfo->bootFile, kernel );
1219 gOverrideKernel = true;
1220 } else {
1221 if ( getValueForKey( kKernelNameKey, &val, &cnt, &bootInfo->bootConfig ) ) {
1222 strlcpy( bootInfo->bootFile, val, cnt+1 );
1223 if (strcmp( bootInfo->bootFile, kDefaultKernel ) != 0) {
1224 gOverrideKernel = true;
1225 }
1226 } else {
1227 strcpy( bootInfo->bootFile, kDefaultKernel );
1228 }
1229 }
1230
1231 cntRemaining = BOOT_STRING_LEN - 2; // save 1 for NULL, 1 for space
1232 argP = bootArgs->CommandLine;
1233
1234 // Get config table kernel flags, if not ignored.
1235 if (getValueForBootKey(cp, kIgnoreBootFileFlag, &val, &cnt) ||
1236 !getValueForKey( kKernelFlagsKey, &val, &cnt, &bootInfo->bootConfig )) {
1237 val = "";
1238 cnt = 0;
1239 }
1240 configKernelFlags = malloc(cnt + 1);
1241 strlcpy(configKernelFlags, val, cnt + 1);
1242
1243 if (processBootArgument(kBootUUIDKey, cp, configKernelFlags, bootInfo->config, &argP, &cntRemaining, 0)) {
1244 // boot-uuid was set either on the command-line
1245 // or in the config file.
1246 uuidSet = true;
1247 } else {
1248
1249 //
1250 // Try an alternate method for getting the root UUID on boot helper partitions.
1251 //
1252 if (gBootVolume->flags & kBVFlagBooter)
1253 {
1254 if((loadHelperConfig(&bootInfo->helperConfig) == 0)
1255 && getValueForKey(kHelperRootUUIDKey, &val, &cnt, &bootInfo->helperConfig) )
1256 {
1257 getValueForKey(kHelperRootUUIDKey, &val, &cnt, &bootInfo->helperConfig);
1258 copyArgument(kBootUUIDKey, val, cnt, &argP, &cntRemaining);
1259 uuidSet = true;
1260 }
1261 }
1262
1263 if (!uuidSet && gBootVolume->fs_getuuid && gBootVolume->fs_getuuid (gBootVolume, uuidStr) == 0) {
1264 verbose("Setting boot-uuid to: %s\n", uuidStr);
1265 copyArgument(kBootUUIDKey, uuidStr, strlen(uuidStr), &argP, &cntRemaining);
1266 uuidSet = true;
1267 }
1268 }
1269
1270 if (!processBootArgument(kRootDeviceKey, cp, configKernelFlags, bootInfo->config, &argP, &cntRemaining, gRootDevice)) {
1271 cnt = 0;
1272 if ( getValueForKey( kBootDeviceKey, &val, &cnt, &bootInfo->bootConfig)) {
1273 valueBuffer[0] = '*';
1274 cnt++;
1275 strlcpy(valueBuffer + 1, val, cnt);
1276 val = valueBuffer;
1277 } else {
1278 if (uuidSet) {
1279 val = "*uuid";
1280 cnt = 5;
1281 } else {
1282 // Don't set "rd=.." if there is no boot device key
1283 // and no UUID.
1284 val = "";
1285 cnt = 0;
1286 }
1287 }
1288 if (cnt > 0) {
1289 copyArgument( kRootDeviceKey, val, cnt, &argP, &cntRemaining);
1290 }
1291 strlcpy( gRootDevice, val, (cnt + 1));
1292 }
1293
1294 /*
1295 * Removed. We don't need this anymore.
1296 *
1297 if (!processBootArgument(kPlatformKey, cp, configKernelFlags, bootInfo->config, &argP, &cntRemaining, gPlatformName)) {
1298 getPlatformName(gPlatformName);
1299 copyArgument(kPlatformKey, gPlatformName, strlen(gPlatformName), &argP, &cntRemaining);
1300 }
1301 */
1302
1303 if (!getValueForBootKey(cp, kSafeModeFlag, &val, &cnt) &&
1304 !getValueForBootKey(configKernelFlags, kSafeModeFlag, &val, &cnt)) {
1305 if (gBootMode & kBootModeSafe) {
1306 copyArgument(0, kSafeModeFlag, strlen(kSafeModeFlag), &argP, &cntRemaining);
1307 }
1308 }
1309
1310 // Store the merged kernel flags and boot args.
1311
1312 cnt = strlen(configKernelFlags);
1313 if (cnt) {
1314 if (cnt > cntRemaining) {
1315 error("Warning: boot arguments too long, truncating\n");
1316 cnt = cntRemaining;
1317 }
1318 strncpy(argP, configKernelFlags, cnt);
1319 argP[cnt++] = ' ';
1320 cntRemaining -= cnt;
1321 }
1322 userCnt = strlen(cp);
1323 if (userCnt > cntRemaining) {
1324 error("Warning: boot arguments too long, truncating\n");
1325 userCnt = cntRemaining;
1326 }
1327 strncpy(&argP[cnt], cp, userCnt);
1328 argP[cnt+userCnt] = '\0';
1329
1330 if(!shouldboot)
1331{
1332gVerboseMode = getValueForKey( kVerboseModeFlag, &val, &cnt, &bootInfo->bootConfig ) ||
1333getValueForKey( kSingleUserModeFlag, &val, &cnt, &bootInfo->bootConfig );
1334
1335gBootMode = ( getValueForKey( kSafeModeFlag, &val, &cnt, &bootInfo->bootConfig ) ) ?
1336kBootModeSafe : kBootModeNormal;
1337
1338if ( getValueForKey( kIgnoreCachesFlag, &val, &cnt, &bootInfo->bootConfig ) ) {
1339 gBootMode = kBootModeSafe;
1340}
1341}
1342
1343if ( getValueForKey( kMKextCacheKey, &val, &cnt, &bootInfo->bootConfig ) )
1344{
1345strlcpy(gMKextName, val, cnt + 1);
1346}
1347
1348 free(configKernelFlags);
1349 free(valueBuffer);
1350
1351 return 0;
1352}
1353
1354
1355//==========================================================================
1356// Load the help file and display the file contents on the screen.
1357
1358static void showTextBuffer(char *buf, int size)
1359{
1360char*bp;
1361intline;
1362intline_offset;
1363intc;
1364
1365if (bootArgs->Video.v_display == GRAPHICS_MODE) {
1366showInfoBox( "Press q to quit\n",buf );
1367return;
1368}
1369
1370 bp = buf;
1371 while (size-- > 0) {
1372if (*bp == '\n') {
1373*bp = '\0';
1374}
1375bp++;
1376 }
1377 *bp = '\1';
1378 line_offset = 0;
1379
1380 setActiveDisplayPage(1);
1381
1382 while (1) {
1383clearScreenRows(0, 24);
1384setCursorPosition(0, 0, 1);
1385bp = buf;
1386for (line = 0; *bp != '\1' && line < line_offset; line++) {
1387while (*bp != '\0') {
1388bp++;
1389}
1390bp++;
1391}
1392for (line = 0; *bp != '\1' && line < 23; line++) {
1393setCursorPosition(0, line, 1);
1394printf("%s\n", bp);
1395while (*bp != '\0') {
1396bp++;
1397}
1398bp++;
1399}
1400
1401setCursorPosition(0, 23, 1);
1402if (*bp == '\1') {
1403printf("[Type %sq or space to quit viewer]", (line_offset > 0) ? "p for previous page, " : "");
1404} else {
1405printf("[Type %s%sq to quit viewer]", (line_offset > 0) ? "p for previous page, " : "", (*bp != '\1') ? "space for next page, " : "");
1406}
1407
1408c = getc();
1409if (c == 'q' || c == 'Q') {
1410break;
1411}
1412if ((c == 'p' || c == 'P') && line_offset > 0) {
1413line_offset -= 23;
1414}
1415if (c == ' ') {
1416if (*bp == '\1') {
1417break;
1418} else {
1419line_offset += 23;
1420}
1421}
1422 }
1423 setActiveDisplayPage(0);
1424}
1425
1426void showHelp(void)
1427{
1428if (bootArgs->Video.v_display == GRAPHICS_MODE) {
1429showInfoBox("Help. Press q to quit.\n", (char *)BootHelp_txt);
1430} else {
1431showTextBuffer((char *)BootHelp_txt, BootHelp_txt_len);
1432}
1433}
1434
1435void showTextFile(const char * filename)
1436{
1437#define MAX_TEXT_FILE_SIZE 65536
1438char*buf;
1439intfd;
1440intsize;
1441
1442if ((fd = open_bvdev("bt(0,0)", filename, 0)) < 0) {
1443printf("\nFile not found: %s\n", filename);
1444sleep(2);
1445return;
1446}
1447
1448 size = file_size(fd);
1449 if (size > MAX_TEXT_FILE_SIZE) {
1450size = MAX_TEXT_FILE_SIZE;
1451}
1452 buf = malloc(size);
1453 read(fd, buf, size);
1454 close(fd);
1455showTextBuffer(buf, size);
1456free(buf);
1457}
1458
1459// This is a very simplistic prompting scheme that just grabs two hex characters
1460// Eventually we need to do something more user-friendly like display a menu
1461// based off of the Multiboot device list
1462
1463int selectAlternateBootDevice(int bootdevice)
1464{
1465int key;
1466int newbootdevice;
1467int digitsI = 0;
1468char *end;
1469char digits[3] = {0,0,0};
1470
1471// We've already printed the current boot device so user knows what it is
1472printf("Typical boot devices are 80 (First HD), 81 (Second HD)\n");
1473printf("Enter two-digit hexadecimal boot device [%02x]: ", bootdevice);
1474do {
1475key = getc();
1476switch (key & kASCIIKeyMask) {
1477case kBackspaceKey:
1478if (digitsI > 0) {
1479int x, y, t;
1480getCursorPositionAndType(&x, &y, &t);
1481// Assume x is not 0;
1482x--;
1483setCursorPosition(x,y,0); // back up one char
1484// Overwrite with space without moving cursor position
1485putca(' ', 0x07, 1);
1486digitsI--;
1487} else {
1488// TODO: Beep or something
1489}
1490break;
1491
1492case kReturnKey:
1493digits[digitsI] = '\0';
1494newbootdevice = strtol(digits, &end, 16);
1495if (end == digits && *end == '\0') {
1496// User entered empty string
1497printf("\nUsing default boot device %x\n", bootdevice);
1498key = 0;
1499} else if(end != digits && *end == '\0') {
1500bootdevice = newbootdevice;
1501printf("\n");
1502key = 0; // We gots da boot device
1503} else {
1504printf("\nCouldn't parse. try again: ");
1505digitsI = 0;
1506}
1507break;
1508
1509default:
1510if (isxdigit(key & kASCIIKeyMask) && digitsI < 2) {
1511putc(key & kASCIIKeyMask);
1512digits[digitsI++] = key & kASCIIKeyMask;
1513} else {
1514// TODO: Beep or something
1515}
1516break;
1517};
1518} while (key != 0);
1519
1520return bootdevice;
1521}
1522
1523bool promptForRescanOption(void)
1524{
1525printf("\nWould you like to enable media rescan option?\nPress ENTER to enable or any key to skip.\n");
1526if (getc() == kReturnKey) {
1527return true;
1528} else {
1529return false;
1530}
1531}
1532

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