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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
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
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 == GRAPHICS_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 == GRAPHICS_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 = getc();
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 == GRAPHICS_MODE) {
948showInfoBox(getVBEInfoString(), getVBEModeInfoString());
949} else {
950printVBEModeInfo();
951}
952} else if ( strcmp( booterCommand, "memory" ) == 0) {
953if (bootArgs->Video.v_display == GRAPHICS_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 == GRAPHICS_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}
1038}
1039key = 0;
1040break;
1041
1042default:
1043key = 0;
1044break;
1045}
1046} while (0 == key);
1047
1048done:
1049if (bootArgs->Video.v_display == VGA_TEXT_MODE) {
1050clearScreenRows(kMenuTopRow, kScreenLastRow);
1051changeCursor(0, kMenuTopRow, kCursorTypeUnderline, 0);
1052}
1053shouldboot = false;
1054gui.menu.draw = false;
1055if (menuItems) {
1056free(menuItems);
1057menuItems = NULL;
1058}
1059return 0;
1060}
1061
1062//==========================================================================
1063
1064extern unsigned char chainbootdev;
1065extern unsigned char chainbootflag;
1066
1067bool copyArgument(const char *argName, const char *val, int cnt, char **argP, int *cntRemainingP)
1068{
1069 int argLen = argName ? strlen(argName) : 0;
1070 int len = argLen + cnt + 1; // +1 to account for space
1071
1072 if (len > *cntRemainingP) {
1073 error("Warning: boot arguments too long, truncating\n");
1074 return false;
1075 }
1076
1077 if (argName) {
1078 strncpy( *argP, argName, argLen );
1079 *argP += argLen;
1080 *argP[0] = '=';
1081 (*argP)++;
1082 len++; // +1 to account for '='
1083 }
1084 strncpy( *argP, val, cnt );
1085 *argP += cnt;
1086 *argP[0] = ' ';
1087 (*argP)++;
1088
1089 *cntRemainingP -= len;
1090 return true;
1091}
1092
1093//
1094// Returns TRUE if an argument was copied, FALSE otherwise
1095bool
1096processBootArgument(
1097 const char *argName, // The argument to search for
1098 const char *userString, // Typed-in boot arguments
1099 const char *kernelFlags, // Kernel flags from config table
1100 const char *configTable,
1101 char **argP, // Output value
1102 int *cntRemainingP, // Output count
1103 char *foundVal // found value
1104 )
1105{
1106 const char *val;
1107 int cnt;
1108 bool found = false;
1109
1110 if (getValueForBootKey(userString, argName, &val, &cnt)) {
1111 // Don't copy; these values will be copied at the end of argument processing.
1112 found = true;
1113 } else if (getValueForBootKey(kernelFlags, argName, &val, &cnt)) {
1114 // Don't copy; these values will be copied at the end of argument processing.
1115 found = true;
1116 } else if (getValueForKey(argName, &val, &cnt, &bootInfo->bootConfig)) {
1117 copyArgument(argName, val, cnt, argP, cntRemainingP);
1118 found = true;
1119 }
1120 if (found && foundVal) {
1121 strlcpy(foundVal, val, cnt+1);
1122 }
1123 return found;
1124}
1125
1126// Maximum config table value size
1127#define VALUE_SIZE 2048
1128
1129int
1130processBootOptions()
1131{
1132 const char * cp = gBootArgs;
1133 const char * val = 0;
1134 const char * kernel;
1135 int cnt;
1136 int userCnt;
1137 int cntRemaining;
1138 char * argP;
1139 char uuidStr[64];
1140 bool uuidSet = false;
1141 char * configKernelFlags;
1142 char * valueBuffer;
1143
1144 valueBuffer = malloc(VALUE_SIZE);
1145
1146 skipblanks( &cp );
1147
1148 // Update the unit and partition number.
1149
1150 if ( gBootVolume )
1151 {
1152 if (!( gBootVolume->flags & kBVFlagNativeBoot ))
1153 {
1154 readBootSector( gBootVolume->biosdev, gBootVolume->part_boff,
1155 (void *) 0x7c00 );
1156
1157 //
1158 // Setup edx, and signal intention to chain load the
1159 // foreign booter.
1160 //
1161
1162 chainbootdev = gBootVolume->biosdev;
1163 chainbootflag = 1;
1164
1165 return 1;
1166 }
1167
1168 setRootVolume(gBootVolume);
1169
1170 }
1171 // If no boot volume fail immediately because we're just going to fail
1172 // trying to load the config file anyway.
1173 else
1174 return -1;
1175
1176// Moved here to enable search for override Boot.plist on OS specific folders.
1177// Find out which Mac OS version we're booting.
1178getOSVersion(gMacOSVersion);
1179
1180//Azi: implemented at loadOverrideConfig.
1181 // Load config table specified by the user, or use the default.
1182 //if (!getValueForBootKey(cp, "config", &val, &cnt)) {
1183 // val = 0;
1184 // cnt = 0;
1185 //}
1186
1187 // Load com.apple.Boot.plist from the selected volume
1188 // and use its contents to override default bootConfig.
1189 // This is not a mandatory operation anymore.
1190
1191 loadOverrideConfig(&bootInfo->overrideConfig);
1192
1193 // Use the kernel name specified by the user, or fetch the name
1194 // in the config table, or use the default if not specified.
1195 // Specifying a kernel name on the command line, or specifying
1196 // a non-default kernel name in the config file counts as
1197 // overriding the kernel, which causes the kernelcache not
1198 // to be used.
1199
1200 gOverrideKernel = false;
1201 if (( kernel = extractKernelName((char **)&cp) )) {
1202 strcpy( bootInfo->bootFile, kernel );
1203 gOverrideKernel = true;
1204 } else {
1205 if ( getValueForKey( kKernelNameKey, &val, &cnt, &bootInfo->bootConfig ) ) {
1206 strlcpy( bootInfo->bootFile, val, cnt+1 );
1207 if (strcmp( bootInfo->bootFile, kDefaultKernel ) != 0) {
1208 gOverrideKernel = true;
1209 }
1210 } else {
1211 strcpy( bootInfo->bootFile, kDefaultKernel );
1212 }
1213 }
1214
1215 cntRemaining = BOOT_STRING_LEN - 2; // save 1 for NULL, 1 for space
1216 argP = bootArgs->CommandLine;
1217
1218 // Get config table kernel flags, if not ignored.
1219 if (getValueForBootKey(cp, kIgnoreBootFileFlag, &val, &cnt) ||
1220 !getValueForKey( kKernelFlagsKey, &val, &cnt, &bootInfo->bootConfig )) {
1221 val = "";
1222 cnt = 0;
1223 }
1224 configKernelFlags = malloc(cnt + 1);
1225 strlcpy(configKernelFlags, val, cnt + 1);
1226
1227 if (processBootArgument(kBootUUIDKey, cp, configKernelFlags, bootInfo->config, &argP, &cntRemaining, 0)) {
1228 // boot-uuid was set either on the command-line
1229 // or in the config file.
1230 uuidSet = true;
1231 } else {
1232
1233 //
1234 // Try an alternate method for getting the root UUID on boot helper partitions.
1235 //
1236 if (gBootVolume->flags & kBVFlagBooter)
1237 {
1238 if((loadHelperConfig(&bootInfo->helperConfig) == 0)
1239 && getValueForKey(kHelperRootUUIDKey, &val, &cnt, &bootInfo->helperConfig) )
1240 {
1241 getValueForKey(kHelperRootUUIDKey, &val, &cnt, &bootInfo->helperConfig);
1242 copyArgument(kBootUUIDKey, val, cnt, &argP, &cntRemaining);
1243 uuidSet = true;
1244 }
1245 }
1246
1247 if (!uuidSet && gBootVolume->fs_getuuid && gBootVolume->fs_getuuid (gBootVolume, uuidStr) == 0) {
1248 verbose("Setting boot-uuid to: %s\n", uuidStr);
1249 copyArgument(kBootUUIDKey, uuidStr, strlen(uuidStr), &argP, &cntRemaining);
1250 uuidSet = true;
1251 }
1252 }
1253
1254 if (!processBootArgument(kRootDeviceKey, cp, configKernelFlags, bootInfo->config, &argP, &cntRemaining, gRootDevice)) {
1255 cnt = 0;
1256 if ( getValueForKey( kBootDeviceKey, &val, &cnt, &bootInfo->bootConfig)) {
1257 valueBuffer[0] = '*';
1258 cnt++;
1259 strlcpy(valueBuffer + 1, val, cnt);
1260 val = valueBuffer;
1261 } else {
1262 if (uuidSet) {
1263 val = "*uuid";
1264 cnt = 5;
1265 } else {
1266 // Don't set "rd=.." if there is no boot device key
1267 // and no UUID.
1268 val = "";
1269 cnt = 0;
1270 }
1271 }
1272 if (cnt > 0) {
1273 copyArgument( kRootDeviceKey, val, cnt, &argP, &cntRemaining);
1274 }
1275 strlcpy( gRootDevice, val, (cnt + 1));
1276 }
1277
1278 /*
1279 * Removed. We don't need this anymore.
1280 *
1281 if (!processBootArgument(kPlatformKey, cp, configKernelFlags, bootInfo->config, &argP, &cntRemaining, gPlatformName)) {
1282 getPlatformName(gPlatformName);
1283 copyArgument(kPlatformKey, gPlatformName, strlen(gPlatformName), &argP, &cntRemaining);
1284 }
1285 */
1286
1287 if (!getValueForBootKey(cp, kSafeModeFlag, &val, &cnt) &&
1288 !getValueForBootKey(configKernelFlags, kSafeModeFlag, &val, &cnt)) {
1289 if (gBootMode & kBootModeSafe) {
1290 copyArgument(0, kSafeModeFlag, strlen(kSafeModeFlag), &argP, &cntRemaining);
1291 }
1292 }
1293
1294 // Store the merged kernel flags and boot args.
1295
1296 cnt = strlen(configKernelFlags);
1297 if (cnt) {
1298 if (cnt > cntRemaining) {
1299 error("Warning: boot arguments too long, truncating\n");
1300 cnt = cntRemaining;
1301 }
1302 strncpy(argP, configKernelFlags, cnt);
1303 argP[cnt++] = ' ';
1304 cntRemaining -= cnt;
1305 }
1306 userCnt = strlen(cp);
1307 if (userCnt > cntRemaining) {
1308 error("Warning: boot arguments too long, truncating\n");
1309 userCnt = cntRemaining;
1310 }
1311 strncpy(&argP[cnt], cp, userCnt);
1312 argP[cnt+userCnt] = '\0';
1313
1314if(!shouldboot)
1315{
1316gVerboseMode = getValueForKey( kVerboseModeFlag, &val, &cnt, &bootInfo->bootConfig ) ||
1317getValueForKey( kSingleUserModeFlag, &val, &cnt, &bootInfo->bootConfig );
1318
1319gBootMode = ( getValueForKey( kSafeModeFlag, &val, &cnt, &bootInfo->bootConfig ) ) ?
1320kBootModeSafe : kBootModeNormal;
1321
1322 if ( getValueForKey( kIgnoreCachesFlag, &val, &cnt, &bootInfo->bootConfig ) ) {
1323 gBootMode = kBootModeSafe;
1324 }
1325}
1326
1327if ( getValueForKey( kMKextCacheKey, &val, &cnt, &bootInfo->bootConfig ) )
1328{
1329strlcpy(gMKextName, val, cnt + 1);
1330}
1331
1332 free(configKernelFlags);
1333 free(valueBuffer);
1334
1335 return 0;
1336}
1337
1338static bool getOSVersion(char *str) //Azi: moved from boot.c
1339{
1340bool valid = false;
1341config_file_t systemVersion;
1342const char *val;
1343int len;
1344
1345if (!loadConfigFile("/System/Library/CoreServices/SystemVersion.plist", &systemVersion))
1346{ //Azi: so, is this path on selected or current volume??
1347valid = true;
1348}
1349else if (!loadConfigFile("/System/Library/CoreServices/ServerVersion.plist", &systemVersion))
1350{
1351valid = true;
1352}
1353
1354if (valid)
1355{
1356if (getValueForKey(kProductVersion, &val, &len, &systemVersion))
1357{
1358// getValueForKey uses const char for val
1359// so copy it and trim
1360*str = '\0';
1361strncat(str, val, min(len, 4));
1362}
1363else
1364valid = false;
1365}
1366
1367return valid;
1368}
1369
1370//==========================================================================
1371// Load the help file and display the file contents on the screen.
1372
1373static void showTextBuffer(char *buf, int size)
1374{
1375char*bp;
1376intline;
1377intline_offset;
1378intc;
1379
1380if (bootArgs->Video.v_display == GRAPHICS_MODE) {
1381showInfoBox( "Press q to quit\n",buf );
1382return;
1383}
1384
1385 bp = buf;
1386 while (size-- > 0) {
1387if (*bp == '\n') {
1388*bp = '\0';
1389}
1390bp++;
1391 }
1392 *bp = '\1';
1393 line_offset = 0;
1394
1395 setActiveDisplayPage(1);
1396
1397 while (1) {
1398clearScreenRows(0, 24);
1399setCursorPosition(0, 0, 1);
1400bp = buf;
1401for (line = 0; *bp != '\1' && line < line_offset; line++) {
1402while (*bp != '\0') {
1403bp++;
1404}
1405bp++;
1406}
1407for (line = 0; *bp != '\1' && line < 23; line++) {
1408setCursorPosition(0, line, 1);
1409printf("%s\n", bp);
1410while (*bp != '\0') {
1411bp++;
1412}
1413bp++;
1414}
1415
1416setCursorPosition(0, 23, 1);
1417if (*bp == '\1') {
1418printf("[Type %sq or space to quit viewer]", (line_offset > 0) ? "p for previous page, " : "");
1419} else {
1420printf("[Type %s%sq to quit viewer]", (line_offset > 0) ? "p for previous page, " : "", (*bp != '\1') ? "space for next page, " : "");
1421}
1422
1423c = getc();
1424if (c == 'q' || c == 'Q') {
1425break;
1426}
1427if ((c == 'p' || c == 'P') && line_offset > 0) {
1428line_offset -= 23;
1429}
1430if (c == ' ') {
1431if (*bp == '\1') {
1432break;
1433} else {
1434line_offset += 23;
1435}
1436}
1437 }
1438 setActiveDisplayPage(0);
1439}
1440
1441void showHelp(void)
1442{
1443if (bootArgs->Video.v_display == GRAPHICS_MODE) {
1444showInfoBox("Help. Press q to quit.\n", (char *)BootHelp_txt);
1445} else {
1446showTextBuffer((char *)BootHelp_txt, BootHelp_txt_len);
1447}
1448}
1449
1450void showTextFile(const char * filename)
1451{
1452#define MAX_TEXT_FILE_SIZE 65536
1453char*buf;
1454intfd;
1455intsize;
1456
1457if ((fd = open_bvdev("bt(0,0)", filename, 0)) < 0) {
1458printf("\nFile not found: %s\n", filename);
1459sleep(2);
1460return;
1461}
1462
1463 size = file_size(fd);
1464 if (size > MAX_TEXT_FILE_SIZE) {
1465size = MAX_TEXT_FILE_SIZE;
1466}
1467 buf = malloc(size);
1468 read(fd, buf, size);
1469 close(fd);
1470showTextBuffer(buf, size);
1471free(buf);
1472}
1473
1474// This is a very simplistic prompting scheme that just grabs two hex characters
1475// Eventually we need to do something more user-friendly like display a menu
1476// based off of the Multiboot device list
1477
1478int selectAlternateBootDevice(int bootdevice)
1479{
1480int key;
1481int newbootdevice;
1482int digitsI = 0;
1483char *end;
1484char digits[3] = {0,0,0};
1485
1486// We've already printed the current boot device so user knows what it is
1487printf("Typical boot devices are 80 (First HD), 81 (Second HD)\n");
1488printf("Enter two-digit hexadecimal boot device [%02x]: ", bootdevice);
1489do {
1490key = getc();
1491switch (key & kASCIIKeyMask) {
1492case kBackspaceKey:
1493if (digitsI > 0) {
1494int x, y, t;
1495getCursorPositionAndType(&x, &y, &t);
1496// Assume x is not 0;
1497x--;
1498setCursorPosition(x,y,0); // back up one char
1499// Overwrite with space without moving cursor position
1500putca(' ', 0x07, 1);
1501digitsI--;
1502} else {
1503// TODO: Beep or something
1504}
1505break;
1506
1507case kReturnKey:
1508digits[digitsI] = '\0';
1509newbootdevice = strtol(digits, &end, 16);
1510if (end == digits && *end == '\0') {
1511// User entered empty string
1512printf("\nUsing default boot device %x\n", bootdevice);
1513key = 0;
1514} else if(end != digits && *end == '\0') {
1515bootdevice = newbootdevice;
1516printf("\n");
1517key = 0; // We gots da boot device
1518} else {
1519printf("\nCouldn't parse. try again: ");
1520digitsI = 0;
1521}
1522break;
1523
1524default:
1525if (isxdigit(key & kASCIIKeyMask) && digitsI < 2) {
1526putc(key & kASCIIKeyMask);
1527digits[digitsI++] = key & kASCIIKeyMask;
1528} else {
1529// TODO: Beep or something
1530}
1531break;
1532};
1533} while (key != 0);
1534
1535return bootdevice;
1536}
1537
1538bool promptForRescanOption(void)
1539{
1540printf("\nWould you like to enable media rescan option?\nPress ENTER to enable or any key to skip.\n");
1541if (getc() == kReturnKey) {
1542return true;
1543} else {
1544return false;
1545}
1546}
1547

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