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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
33static bool shouldboot = false;
34
35extern int multiboot_timeout;
36extern int multiboot_timeout_set;
37
38extern BVRef bvChain;
39//extern intmenucount;
40
41extern intgDeviceCount;
42
43intselectIndex = 0;
44MenuItem * menuItems = NULL;
45
46enum {
47 kMenuTopRow = 5,
48 kMenuMaxItems = 10,
49 kScreenLastRow = 24
50};
51
52//==========================================================================
53
54typedef struct {
55 int x;
56 int y;
57 int type;
58} CursorState;
59
60static void changeCursor( int col, int row, int type, CursorState * cs )
61{
62 if (cs) getCursorPositionAndType( &cs->x, &cs->y, &cs->type );
63 setCursorType( type );
64 setCursorPosition( col, row, 0 );
65}
66
67static void moveCursor( int col, int row )
68{
69 setCursorPosition( col, row, 0 );
70}
71
72static void restoreCursor( const CursorState * cs )
73{
74 setCursorPosition( cs->x, cs->y, 0 );
75 setCursorType( cs->type );
76}
77
78//==========================================================================
79
80/* Flush keyboard buffer; returns TRUE if any of the flushed
81 * characters was F8.
82 */
83
84static bool flushKeyboardBuffer(void)
85{
86 bool status = false;
87
88 while ( readKeyboardStatus() ) {
89 if (bgetc() == 0x4200) status = true;
90 }
91 return status;
92}
93
94//==========================================================================
95
96static int countdown( const char * msg, int row, int timeout )
97{
98 unsigned long time;
99 int ch = 0;
100 int col = strlen(msg) + 1;
101
102 flushKeyboardBuffer();
103
104if( bootArgs->Video.v_display == VGA_TEXT_MODE )
105{
106moveCursor( 0, row );
107printf(msg);
108
109} else {
110
111position_t p = pos( gui.screen.width / 2 + 1 , ( gui.devicelist.pos.y + 3 ) + ( ( gui.devicelist.height - gui.devicelist.iconspacing ) / 2 ) );
112
113char dummy[80];
114getBootVolumeDescription( gBootVolume, dummy, sizeof(dummy) - 1, true );
115drawDeviceIcon( gBootVolume, gui.screen.pixmap, p, true );
116drawStrCenteredAt( (char *) msg, &font_small, gui.screen.pixmap, gui.countdown.pos );
117
118// make this screen the new background
119memcpy( gui.backbuffer->pixels, gui.screen.pixmap->pixels, gui.backbuffer->width * gui.backbuffer->height * 4 );
120
121}
122
123int multi_buff = 18 * (timeout);
124 int multi = ++multi_buff;
125
126 int lasttime=0;
127
128 for ( time = time18(), timeout++; timeout > 0; )
129 {
130if( time18() > lasttime)
131{
132multi--;
133lasttime=time18();
134}
135
136 if (ch = readKeyboardStatus())
137 break;
138
139 // Count can be interrupted by holding down shift,
140 // control or alt key
141 if ( ( readKeyboardShiftFlags() & 0x0F ) != 0 )
142{
143 ch = 1;
144 break;
145 }
146
147 if ( time18() >= time )
148 {
149 time += 18;
150 timeout--;
151
152if( bootArgs->Video.v_display == VGA_TEXT_MODE )
153{
154moveCursor( col, row );
155printf("(%d) ", timeout);
156}
157 }
158
159if( bootArgs->Video.v_display != VGA_TEXT_MODE )
160{
161drawProgressBar( gui.screen.pixmap, 100, gui.progressbar.pos , ( multi * 100 / multi_buff ) );
162gui.redraw = true;
163updateVRAM();
164}
165
166 }
167
168 flushKeyboardBuffer();
169
170 return ch;
171}
172
173//==========================================================================
174
175char gBootArgs[BOOT_STRING_LEN];
176static char * gBootArgsPtr = gBootArgs;
177static char * gBootArgsEnd = gBootArgs + BOOT_STRING_LEN - 1;
178static char booterCommand[BOOT_STRING_LEN];
179static char booterParam[BOOT_STRING_LEN];
180
181static void clearBootArgs(void)
182{
183gBootArgsPtr = gBootArgs;
184memset(gBootArgs, '\0', BOOT_STRING_LEN);
185
186if (bootArgs->Video.v_display != VGA_TEXT_MODE) {
187clearGraphicBootPrompt();
188}
189}
190
191static void addBootArg(const char * argStr)
192{
193if ( (gBootArgsPtr + strlen(argStr) + 1) < gBootArgsEnd)
194{
195*gBootArgsPtr++ = ' ';
196strcat(gBootArgs, argStr);
197gBootArgsPtr += strlen(argStr);
198}
199}
200
201//==========================================================================
202
203static void showBootPrompt(int row, bool visible)
204{
205extern char bootPrompt[];
206extern char bootRescanPrompt[];
207
208if( bootArgs->Video.v_display == VGA_TEXT_MODE ) {
209changeCursor( 0, row, kCursorTypeUnderline, 0 );
210clearScreenRows( row, kScreenLastRow );
211}
212
213//clearBootArgs();
214
215if (visible) {
216if (bootArgs->Video.v_display == VGA_TEXT_MODE) {
217if (gEnableCDROMRescan) {
218printf( bootRescanPrompt );
219} else {
220printf( bootPrompt );
221 printf( gBootArgs );
222}
223}
224} else {
225if (bootArgs->Video.v_display != VGA_TEXT_MODE) {
226//clearGraphicBootPrompt();
227} else {
228printf("Press Enter to start up the foreign OS. ");
229}
230}
231}
232
233//==========================================================================
234
235static void updateBootArgs( int key )
236{
237 key &= kASCIIKeyMask;
238
239 switch ( key )
240 {
241 case kBackspaceKey:
242 if ( gBootArgsPtr > gBootArgs )
243 {
244 *--gBootArgsPtr = '\0';
245
246 int x, y, t;
247 getCursorPositionAndType( &x, &y, &t );
248 if ( x == 0 && y )
249 {
250 x = 80; y--;
251 }
252 if (x) x--;
253
254if( bootArgs->Video.v_display == VGA_TEXT_MODE )
255{
256setCursorPosition( x, y, 0 );
257putca(' ', 0x07, 1);
258}
259 else
260 {
261 updateGraphicBootPrompt();
262 }
263 }
264break;
265
266 default:
267 if ( key >= ' ' && gBootArgsPtr < gBootArgsEnd)
268 {
269 *gBootArgsPtr++ = key;
270
271 if( bootArgs->Video.v_display != VGA_TEXT_MODE ) updateGraphicBootPrompt();
272 else if ( key >= ' ' && key < 0x7f) putchar(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 != VGA_TEXT_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 != VGA_TEXT_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 (firstRun && 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
780if (getValueForKey(kCDROMPromptKey, &val, &cnt, &bootInfo->bootConfig)) {
781prompt = malloc(cnt + 1);
782strncat(prompt, val, cnt);
783} else {
784name = malloc(80);
785getBootVolumeDescription(gBootVolume, name, 79, false);
786prompt = malloc(256);
787sprintf(prompt, "Press any key to start up from %s, or press F8 to enter startup options.", name);
788free(name);
789}
790
791if (getIntForKey( kCDROMOptionKey, &optionKey, &bootInfo->bootConfig )) {
792// The key specified is a special key.
793} else {
794// Default to F8.
795optionKey = 0x4200;
796}
797
798// If the timeout is zero then it must have been set above due to the
799// early catch of F8 which means the user wants to set boot options
800// which we ought to interpret as meaning he wants to boot the CD.
801if (timeout != 0) {
802key = countdown(prompt, kMenuTopRow, timeout);
803} else {
804key = optionKey;
805}
806
807if (prompt != NULL) {
808free(prompt);
809}
810
811clearScreenRows( kMenuTopRow, kMenuTopRow + 2 );
812
813// Hit the option key ?
814if (key == optionKey) {
815gBootMode &= ~kBootModeQuiet;
816timeout = 0;
817} else {
818key = key & 0xFF;
819
820// Try booting hard disk if user pressed 'h'
821if (biosDevIsCDROM(gBIOSDev) && key == 'h') {
822BVRef bvr;
823
824// Look at partitions hosting OS X other than the CD-ROM
825for (bvr = bvChain; bvr; bvr=bvr->next) {
826if ((bvr->flags & kBVFlagSystemVolume) && bvr->biosdev != gBIOSDev) {
827gBootVolume = bvr;
828}
829}
830}
831goto done;
832}
833}
834
835if (gBootMode & kBootModeQuiet) {
836// No input allowed from user.
837goto done;
838}
839
840if (firstRun && timeout > 0 && countdown("Press any key to enter startup options.", kMenuTopRow, timeout) == 0) {
841// If the user is holding down a modifier key,
842// enter safe mode.
843if ((readKeyboardShiftFlags() & 0x0F) != 0) {
844gBootMode |= kBootModeSafe;
845}
846goto done;
847}
848
849if (gDeviceCount) {
850// Allocate memory for an array of menu items.
851menuItems = malloc(sizeof(MenuItem) * gDeviceCount);
852if (menuItems == NULL) {
853goto done;
854}
855
856// Associate a menu item for each BVRef.
857for (bvr=bvChain, i=gDeviceCount-1, selectIndex=0; bvr; bvr=bvr->next) {
858if (bvr->visible) {
859getBootVolumeDescription(bvr, menuItems[i].name, sizeof(menuItems[i].name) - 1, true);
860menuItems[i].param = (void *) bvr;
861if (bvr == menuBVR) {
862selectIndex = i;
863}
864i--;
865}
866}
867}
868
869if (bootArgs->Video.v_display != VGA_TEXT_MODE) {
870// redraw the background buffer
871gui.logo.draw = true;
872drawBackground();
873gui.devicelist.draw = true;
874gui.redraw = true;
875if (!(gBootMode & kBootModeQuiet)) {
876bool showBootBanner = true;
877
878// Check if "Boot Banner"=N switch is present in config file.
879getBoolForKey(kBootBannerKey, &showBootBanner, &bootInfo->bootConfig);
880if (showBootBanner) {
881// Display banner and show hardware info.
882gprintf(&gui.screen, bootBanner + 1, (bootInfo->convmem + bootInfo->extmem) / 1024);
883}
884
885// redraw background
886memcpy(gui.backbuffer->pixels, gui.screen.pixmap->pixels, gui.backbuffer->width * gui.backbuffer->height * 4);
887}
888} else {
889// Clear screen and hide the blinking cursor.
890clearScreenRows(kMenuTopRow, kMenuTopRow + 2);
891changeCursor(0, kMenuTopRow, kCursorTypeHidden, 0);
892}
893
894nextRow = kMenuTopRow;
895showPrompt = true;
896
897if (gDeviceCount) {
898if( bootArgs->Video.v_display == VGA_TEXT_MODE ) {
899printf("Use \30\31 keys to select the startup volume.");
900}
901showMenu( menuItems, gDeviceCount, selectIndex, kMenuTopRow + 2, kMenuMaxItems );
902nextRow += min( gDeviceCount, kMenuMaxItems ) + 3;
903}
904
905// Show the boot prompt.
906showPrompt = (gDeviceCount == 0) || (menuBVR->flags & kBVFlagNativeBoot);
907showBootPrompt( nextRow, showPrompt );
908
909do {
910if (bootArgs->Video.v_display != VGA_TEXT_MODE) {
911// redraw background
912memcpy( gui.backbuffer->pixels, gui.screen.pixmap->pixels, gui.backbuffer->width * gui.backbuffer->height * 4 );
913// reset cursor co-ords
914gui.debug.cursor = pos( gui.screen.width - 160 , 10 );
915}
916key = getchar();
917updateMenu( key, (void **) &menuBVR );
918newShowPrompt = (gDeviceCount == 0) || (menuBVR->flags & kBVFlagNativeBoot);
919
920if (newShowPrompt != showPrompt) {
921showPrompt = newShowPrompt;
922showBootPrompt( nextRow, showPrompt );
923}
924
925if (showPrompt) {
926updateBootArgs(key);
927}
928
929switch (key) {
930case kReturnKey:
931if (gui.menu.draw) {
932key=0;
933break;
934}
935if (*gBootArgs == '?') {
936char * argPtr = gBootArgs;
937
938// Skip the leading "?" character.
939argPtr++;
940getNextArg(&argPtr, booterCommand);
941getNextArg(&argPtr, booterParam);
942
943/*
944* TODO: this needs to be refactored.
945*/
946if (strcmp( booterCommand, "video" ) == 0) {
947if (bootArgs->Video.v_display != VGA_TEXT_MODE) {
948showInfoBox(getVBEInfoString(), getVBEModeInfoString());
949} else {
950printVBEModeInfo();
951}
952} else if ( strcmp( booterCommand, "memory" ) == 0) {
953if (bootArgs->Video.v_display != VGA_TEXT_MODE ) {
954showInfoBox("Memory Map", getMemoryInfoString());
955} else {
956printMemoryInfo();
957}
958} else if (strcmp(booterCommand, "lspci") == 0) {
959lspci();
960} else if (strcmp(booterCommand, "more") == 0) {
961showTextFile(booterParam);
962} else if (strcmp(booterCommand, "rd") == 0) {
963processRAMDiskCommand(&argPtr, booterParam);
964} else if (strcmp(booterCommand, "norescan") == 0) {
965if (gEnableCDROMRescan) {
966gEnableCDROMRescan = false;
967break;
968}
969} else {
970showHelp();
971}
972key = 0;
973showBootPrompt(nextRow, showPrompt);
974break;
975}
976gBootVolume = menuBVR;
977setRootVolume(menuBVR);
978gBIOSDev = menuBVR->biosdev;
979break;
980
981case kEscapeKey:
982clearBootArgs();
983break;
984
985case kF5Key:
986// New behavior:
987// Clear gBootVolume to restart the loop
988// if the user enabled rescanning the optical drive.
989// Otherwise boot the default boot volume.
990if (gEnableCDROMRescan) {
991gBootVolume = NULL;
992clearBootArgs();
993}
994break;
995
996case kF10Key:
997gScanSingleDrive = false;
998scanDisks(gBIOSDev, &bvCount);
999gBootVolume = NULL;
1000clearBootArgs();
1001break;
1002
1003case kTabKey:
1004// New behavior:
1005// Switch between text & graphic interfaces
1006// Only Permitted if started in graphics interface
1007if (useGUI) {
1008if (bootArgs->Video.v_display != VGA_TEXT_MODE) {
1009setVideoMode(VGA_TEXT_MODE, 0);
1010
1011setCursorPosition(0, 0, 0);
1012clearScreenRows(0, kScreenLastRow);
1013
1014// Display banner and show hardware info.
1015printf(bootBanner, (bootInfo->convmem + bootInfo->extmem) / 1024);
1016printf(getVBEInfoString());
1017
1018clearScreenRows(kMenuTopRow, kMenuTopRow + 2);
1019changeCursor(0, kMenuTopRow, kCursorTypeHidden, 0);
1020
1021nextRow = kMenuTopRow;
1022showPrompt = true;
1023
1024if (gDeviceCount) {
1025printf("Use \30\31 keys to select the startup volume.");
1026showMenu(menuItems, gDeviceCount, selectIndex, kMenuTopRow + 2, kMenuMaxItems);
1027nextRow += min(gDeviceCount, kMenuMaxItems) + 3;
1028}
1029
1030showPrompt = (gDeviceCount == 0) || (menuBVR->flags & kBVFlagNativeBoot);
1031showBootPrompt(nextRow, showPrompt);
1032//changeCursor( 0, kMenuTopRow, kCursorTypeUnderline, 0 );
1033} else {
1034gui.redraw = true;
1035setVideoMode(GRAPHICS_MODE, 0);
1036updateVRAM();
1037 updateGraphicBootPrompt();
1038}
1039}
1040key = 0;
1041break;
1042
1043default:
1044key = 0;
1045break;
1046}
1047} while (0 == key);
1048
1049done:
1050if (bootArgs->Video.v_display == VGA_TEXT_MODE) {
1051clearScreenRows(kMenuTopRow, kScreenLastRow);
1052changeCursor(0, kMenuTopRow, kCursorTypeUnderline, 0);
1053}
1054shouldboot = false;
1055gui.menu.draw = false;
1056if (menuItems) {
1057free(menuItems);
1058menuItems = NULL;
1059}
1060return 0;
1061}
1062
1063//==========================================================================
1064
1065extern unsigned char chainbootdev;
1066extern unsigned char chainbootflag;
1067
1068bool copyArgument(const char *argName, const char *val, int cnt, char **argP, int *cntRemainingP)
1069{
1070 int argLen = argName ? strlen(argName) : 0;
1071 int len = argLen + cnt + 1; // +1 to account for space
1072
1073 if (len > *cntRemainingP) {
1074 error("Warning: boot arguments too long, truncating\n");
1075 return false;
1076 }
1077
1078 if (argName) {
1079 strncpy( *argP, argName, argLen );
1080 *argP += argLen;
1081 *argP[0] = '=';
1082 (*argP)++;
1083 len++; // +1 to account for '='
1084 }
1085 strncpy( *argP, val, cnt );
1086 *argP += cnt;
1087 *argP[0] = ' ';
1088 (*argP)++;
1089
1090 *cntRemainingP -= len;
1091 return true;
1092}
1093
1094//
1095// Returns TRUE if an argument was copied, FALSE otherwise
1096bool
1097processBootArgument(
1098 const char *argName, // The argument to search for
1099 const char *userString, // Typed-in boot arguments
1100 const char *kernelFlags, // Kernel flags from config table
1101 const char *configTable,
1102 char **argP, // Output value
1103 int *cntRemainingP, // Output count
1104 char *foundVal // found value
1105 )
1106{
1107 const char *val;
1108 int cnt;
1109 bool found = false;
1110
1111 if (getValueForBootKey(userString, argName, &val, &cnt)) {
1112 // Don't copy; these values will be copied at the end of argument processing.
1113 found = true;
1114 } else if (getValueForBootKey(kernelFlags, argName, &val, &cnt)) {
1115 // Don't copy; these values will be copied at the end of argument processing.
1116 found = true;
1117 } else if (getValueForKey(argName, &val, &cnt, &bootInfo->bootConfig)) {
1118 copyArgument(argName, val, cnt, argP, cntRemainingP);
1119 found = true;
1120 }
1121 if (found && foundVal) {
1122 strlcpy(foundVal, val, cnt+1);
1123 }
1124 return found;
1125}
1126
1127// Maximum config table value size
1128#define VALUE_SIZE 2048
1129
1130int
1131processBootOptions()
1132{
1133 const char * cp = gBootArgs;
1134 const char * val = 0;
1135 const char * kernel;
1136 int cnt;
1137 int userCnt;
1138 int cntRemaining;
1139 char * argP;
1140 char uuidStr[64];
1141 bool uuidSet = false;
1142 char * configKernelFlags;
1143 char * valueBuffer;
1144
1145 valueBuffer = malloc(VALUE_SIZE);
1146
1147 skipblanks( &cp );
1148
1149 // Update the unit and partition number.
1150
1151 if ( gBootVolume )
1152 {
1153 if (!( gBootVolume->flags & kBVFlagNativeBoot ))
1154 {
1155 readBootSector( gBootVolume->biosdev, gBootVolume->part_boff,
1156 (void *) 0x7c00 );
1157
1158 //
1159 // Setup edx, and signal intention to chain load the
1160 // foreign booter.
1161 //
1162
1163 chainbootdev = gBootVolume->biosdev;
1164 chainbootflag = 1;
1165
1166 return 1;
1167 }
1168
1169 setRootVolume(gBootVolume);
1170
1171 }
1172 // If no boot volume fail immediately because we're just going to fail
1173 // trying to load the config file anyway.
1174 else
1175 return -1;
1176
1177 // Load config table specified by the user, or use the default.
1178
1179 if (!getValueForBootKey(cp, "config", &val, &cnt)) {
1180 val = 0;
1181 cnt = 0;
1182 }
1183
1184 // Load com.apple.Boot.plist from the selected volume
1185 // and use its contents to override default bootConfig.
1186 // This is not a mandatory opeartion anymore.
1187
1188 loadOverrideConfig(&bootInfo->overrideConfig);
1189
1190 // Use the kernel name specified by the user, or fetch the name
1191 // in the config table, or use the default if not specified.
1192 // Specifying a kernel name on the command line, or specifying
1193 // a non-default kernel name in the config file counts as
1194 // overriding the kernel, which causes the kernelcache not
1195 // to be used.
1196
1197 gOverrideKernel = false;
1198 if (( kernel = extractKernelName((char **)&cp) )) {
1199 strcpy( bootInfo->bootFile, kernel );
1200 gOverrideKernel = true;
1201 } else {
1202 if ( getValueForKey( kKernelNameKey, &val, &cnt, &bootInfo->bootConfig ) ) {
1203 strlcpy( bootInfo->bootFile, val, cnt+1 );
1204 if (strcmp( bootInfo->bootFile, kDefaultKernel ) != 0) {
1205 gOverrideKernel = true;
1206 }
1207 } else {
1208 strcpy( bootInfo->bootFile, kDefaultKernel );
1209 }
1210 }
1211
1212 cntRemaining = BOOT_STRING_LEN - 2; // save 1 for NULL, 1 for space
1213 argP = bootArgs->CommandLine;
1214
1215 // Get config table kernel flags, if not ignored.
1216 if (getValueForBootKey(cp, kIgnoreBootFileFlag, &val, &cnt) ||
1217 !getValueForKey( kKernelFlagsKey, &val, &cnt, &bootInfo->bootConfig )) {
1218 val = "";
1219 cnt = 0;
1220 }
1221 configKernelFlags = malloc(cnt + 1);
1222 strlcpy(configKernelFlags, val, cnt + 1);
1223
1224 if (processBootArgument(kBootUUIDKey, cp, configKernelFlags, bootInfo->config, &argP, &cntRemaining, 0)) {
1225 // boot-uuid was set either on the command-line
1226 // or in the config file.
1227 uuidSet = true;
1228 } else {
1229
1230 //
1231 // Try an alternate method for getting the root UUID on boot helper partitions.
1232 //
1233 if (gBootVolume->flags & kBVFlagBooter)
1234 {
1235 if((loadHelperConfig(&bootInfo->helperConfig) == 0)
1236 && getValueForKey(kHelperRootUUIDKey, &val, &cnt, &bootInfo->helperConfig) )
1237 {
1238 getValueForKey(kHelperRootUUIDKey, &val, &cnt, &bootInfo->helperConfig);
1239 copyArgument(kBootUUIDKey, val, cnt, &argP, &cntRemaining);
1240 uuidSet = true;
1241 }
1242 }
1243
1244 if (!uuidSet && gBootVolume->fs_getuuid && gBootVolume->fs_getuuid (gBootVolume, uuidStr) == 0) {
1245 verbose("Setting boot-uuid to: %s\n", uuidStr);
1246 copyArgument(kBootUUIDKey, uuidStr, strlen(uuidStr), &argP, &cntRemaining);
1247 uuidSet = true;
1248 }
1249 }
1250
1251 if (!processBootArgument(kRootDeviceKey, cp, configKernelFlags, bootInfo->config, &argP, &cntRemaining, gRootDevice)) {
1252 cnt = 0;
1253 if ( getValueForKey( kBootDeviceKey, &val, &cnt, &bootInfo->bootConfig)) {
1254 valueBuffer[0] = '*';
1255 cnt++;
1256 strlcpy(valueBuffer + 1, val, cnt);
1257 val = valueBuffer;
1258 } else {
1259 if (uuidSet) {
1260 val = "*uuid";
1261 cnt = 5;
1262 } else {
1263 // Don't set "rd=.." if there is no boot device key
1264 // and no UUID.
1265 val = "";
1266 cnt = 0;
1267 }
1268 }
1269 if (cnt > 0) {
1270 copyArgument( kRootDeviceKey, val, cnt, &argP, &cntRemaining);
1271 }
1272 strlcpy( gRootDevice, val, (cnt + 1));
1273 }
1274
1275 /*
1276 * Removed. We don't need this anymore.
1277 *
1278 if (!processBootArgument(kPlatformKey, cp, configKernelFlags, bootInfo->config, &argP, &cntRemaining, gPlatformName)) {
1279 getPlatformName(gPlatformName);
1280 copyArgument(kPlatformKey, gPlatformName, strlen(gPlatformName), &argP, &cntRemaining);
1281 }
1282 */
1283
1284 if (!getValueForBootKey(cp, kSafeModeFlag, &val, &cnt) &&
1285 !getValueForBootKey(configKernelFlags, kSafeModeFlag, &val, &cnt)) {
1286 if (gBootMode & kBootModeSafe) {
1287 copyArgument(0, kSafeModeFlag, strlen(kSafeModeFlag), &argP, &cntRemaining);
1288 }
1289 }
1290
1291 // Store the merged kernel flags and boot args.
1292
1293 cnt = strlen(configKernelFlags);
1294 if (cnt) {
1295 if (cnt > cntRemaining) {
1296 error("Warning: boot arguments too long, truncating\n");
1297 cnt = cntRemaining;
1298 }
1299 strncpy(argP, configKernelFlags, cnt);
1300 argP[cnt++] = ' ';
1301 cntRemaining -= cnt;
1302 }
1303 userCnt = strlen(cp);
1304 if (userCnt > cntRemaining) {
1305 error("Warning: boot arguments too long, truncating\n");
1306 userCnt = cntRemaining;
1307 }
1308 strncpy(&argP[cnt], cp, userCnt);
1309 argP[cnt+userCnt] = '\0';
1310
1311if(!shouldboot)
1312{
1313gVerboseMode = getValueForKey( kVerboseModeFlag, &val, &cnt, &bootInfo->bootConfig ) ||
1314getValueForKey( kSingleUserModeFlag, &val, &cnt, &bootInfo->bootConfig );
1315
1316gBootMode = ( getValueForKey( kSafeModeFlag, &val, &cnt, &bootInfo->bootConfig ) ) ?
1317kBootModeSafe : kBootModeNormal;
1318
1319 if ( getValueForKey( kIgnoreCachesFlag, &val, &cnt, &bootInfo->bootConfig ) ) {
1320 gBootMode = kBootModeSafe;
1321 }
1322}
1323
1324if ( getValueForKey( kMKextCacheKey, &val, &cnt, &bootInfo->bootConfig ) )
1325{
1326strlcpy(gMKextName, val, cnt + 1);
1327}
1328
1329 free(configKernelFlags);
1330 free(valueBuffer);
1331
1332 return 0;
1333}
1334
1335
1336//==========================================================================
1337// Load the help file and display the file contents on the screen.
1338
1339static void showTextBuffer(char *buf, int size)
1340{
1341char*bp;
1342intline;
1343intline_offset;
1344intc;
1345
1346if (bootArgs->Video.v_display != VGA_TEXT_MODE) {
1347showInfoBox( "Press q to quit\n",buf );
1348return;
1349}
1350
1351 bp = buf;
1352 while (size-- > 0) {
1353if (*bp == '\n') {
1354*bp = '\0';
1355}
1356bp++;
1357 }
1358 *bp = '\1';
1359 line_offset = 0;
1360
1361 setActiveDisplayPage(1);
1362
1363 while (1) {
1364clearScreenRows(0, 24);
1365setCursorPosition(0, 0, 1);
1366bp = buf;
1367for (line = 0; *bp != '\1' && line < line_offset; line++) {
1368while (*bp != '\0') {
1369bp++;
1370}
1371bp++;
1372}
1373for (line = 0; *bp != '\1' && line < 23; line++) {
1374setCursorPosition(0, line, 1);
1375printf("%s\n", bp);
1376while (*bp != '\0') {
1377bp++;
1378}
1379bp++;
1380}
1381
1382setCursorPosition(0, 23, 1);
1383if (*bp == '\1') {
1384printf("[Type %sq or space to quit viewer]", (line_offset > 0) ? "p for previous page, " : "");
1385} else {
1386printf("[Type %s%sq to quit viewer]", (line_offset > 0) ? "p for previous page, " : "", (*bp != '\1') ? "space for next page, " : "");
1387}
1388
1389c = getchar();
1390if (c == 'q' || c == 'Q') {
1391break;
1392}
1393if ((c == 'p' || c == 'P') && line_offset > 0) {
1394line_offset -= 23;
1395}
1396if (c == ' ') {
1397if (*bp == '\1') {
1398break;
1399} else {
1400line_offset += 23;
1401}
1402}
1403 }
1404 setActiveDisplayPage(0);
1405}
1406
1407void showHelp(void)
1408{
1409if (bootArgs->Video.v_display != VGA_TEXT_MODE) {
1410showInfoBox("Help. Press q to quit.\n", (char *)BootHelp_txt);
1411} else {
1412showTextBuffer((char *)BootHelp_txt, BootHelp_txt_len);
1413}
1414}
1415
1416void showTextFile(const char * filename)
1417{
1418#define MAX_TEXT_FILE_SIZE 65536
1419char*buf;
1420intfd;
1421intsize;
1422
1423if ((fd = open_bvdev("bt(0,0)", filename, 0)) < 0) {
1424printf("\nFile not found: %s\n", filename);
1425sleep(2);
1426return;
1427}
1428
1429 size = file_size(fd);
1430 if (size > MAX_TEXT_FILE_SIZE) {
1431size = MAX_TEXT_FILE_SIZE;
1432}
1433 buf = malloc(size);
1434 read(fd, buf, size);
1435 close(fd);
1436showTextBuffer(buf, size);
1437free(buf);
1438}
1439
1440// This is a very simplistic prompting scheme that just grabs two hex characters
1441// Eventually we need to do something more user-friendly like display a menu
1442// based off of the Multiboot device list
1443
1444int selectAlternateBootDevice(int bootdevice)
1445{
1446int key;
1447int newbootdevice;
1448int digitsI = 0;
1449char *end;
1450char digits[3] = {0,0,0};
1451
1452// We've already printed the current boot device so user knows what it is
1453printf("Typical boot devices are 80 (First HD), 81 (Second HD)\n");
1454printf("Enter two-digit hexadecimal boot device [%02x]: ", bootdevice);
1455do {
1456key = getchar();
1457switch (key & kASCIIKeyMask) {
1458case kBackspaceKey:
1459if (digitsI > 0) {
1460int x, y, t;
1461getCursorPositionAndType(&x, &y, &t);
1462// Assume x is not 0;
1463x--;
1464setCursorPosition(x,y,0); // back up one char
1465// Overwrite with space without moving cursor position
1466putca(' ', 0x07, 1);
1467digitsI--;
1468} else {
1469// TODO: Beep or something
1470}
1471break;
1472
1473case kReturnKey:
1474digits[digitsI] = '\0';
1475newbootdevice = strtol(digits, &end, 16);
1476if (end == digits && *end == '\0') {
1477// User entered empty string
1478printf("\nUsing default boot device %x\n", bootdevice);
1479key = 0;
1480} else if(end != digits && *end == '\0') {
1481bootdevice = newbootdevice;
1482printf("\n");
1483key = 0; // We gots da boot device
1484} else {
1485printf("\nCouldn't parse. try again: ");
1486digitsI = 0;
1487}
1488break;
1489
1490default:
1491if (isxdigit(key & kASCIIKeyMask) && digitsI < 2) {
1492putchar(key & kASCIIKeyMask);
1493digits[digitsI++] = key & kASCIIKeyMask;
1494} else {
1495// TODO: Beep or something
1496}
1497break;
1498};
1499} while (key != 0);
1500
1501return bootdevice;
1502}
1503
1504bool promptForRescanOption(void)
1505{
1506printf("\nWould you like to enable media rescan option?\nPress ENTER to enable or any key to skip.\n");
1507if (getchar() == kReturnKey) {
1508return true;
1509} else {
1510return false;
1511}
1512}
1513

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