Cross Reference: /vbox/src/VBox/Devices/PC/BIOS/eltorito.c

Lines Matching defs:cdemu
148     write_byte(ebda_seg,(uint16_t)&EbdaData->cdemu.active, 0x00);
156     return read_byte(ebda_seg,(uint16_t)&EbdaData->cdemu.active);
164     return read_byte(ebda_seg,(uint16_t)&EbdaData->cdemu.emulated_drive);
175     cdemu_t __far   *cdemu;
177     cdemu = ebda_seg :> &EbdaData->cdemu;
195         //@todo: maybe our cdemu struct should match El Torito to allow memcpy()?
197         write_byte(DS,SI+0x01,cdemu->media);
198         write_byte(DS,SI+0x02,cdemu->emulated_drive);
199         write_byte(DS,SI+0x03,cdemu->controller_index);
200         write_dword(DS,SI+0x04,cdemu->ilba);
201         write_word(DS,SI+0x08,cdemu->device_spec);
202         write_word(DS,SI+0x0a,cdemu->buffer_segment);
203         write_word(DS,SI+0x0c,cdemu->load_segment);
204         write_word(DS,SI+0x0e,cdemu->sector_count);
205         write_byte(DS,SI+0x10,cdemu->vdevice.cylinders);
206         write_byte(DS,SI+0x11,cdemu->vdevice.spt);
207         write_byte(DS,SI+0x12,cdemu->vdevice.heads);
212             cdemu->active = 0;  // bye bye
279     cdemu_t __far       *cdemu;
282     cdemu    = ebda_seg :> &EbdaData->cdemu;
359     cdemu->media = buffer[0x21];
363         cdemu->emulated_drive = 0xE0;
366         cdemu->emulated_drive = 0x00;
368         cdemu->emulated_drive = 0x80;
370     cdemu->controller_index = device / 2;
371     cdemu->device_spec      = device % 2;
377     cdemu->load_segment   = boot_segment;
378     cdemu->buffer_segment = 0x0000;
381     cdemu->sector_count = nbsectors;
390     cdemu->ilba = lba;
393                       cdemu->emulated_drive, cdemu->media, cdemu->ilba);
413                       cdemu->emulated_drive, cdemu->media, cdemu->ilba);
415     switch (cdemu->media) {
417         cdemu->vdevice.spt       = 15;
418         cdemu->vdevice.cylinders = 80;
419         cdemu->vdevice.heads     = 2;
422         cdemu->vdevice.spt       = 18;
423         cdemu->vdevice.cylinders = 80;
424         cdemu->vdevice.heads     = 2;
427         cdemu->vdevice.spt       = 36;
428         cdemu->vdevice.cylinders = 80;
429         cdemu->vdevice.heads     = 2;
432         cdemu->vdevice.spt       = read_byte(boot_segment,446+6)&0x3f;
433         cdemu->vdevice.cylinders = (read_byte(boot_segment,446+6)<<2) + read_byte(boot_segment,446+7) + 1;
434         cdemu->vdevice.heads     = read_byte(boot_segment,446+5) + 1;
437     BX_DEBUG_ELTORITO("VCHS=%u/%u/%u\n", cdemu->vdevice.cylinders,
438                       cdemu->vdevice.heads, cdemu->vdevice.spt);
440     if (cdemu->media != 0) {
442         if (cdemu->emulated_drive == 0x00)
449     if (cdemu->media != 0)
450         cdemu->active = 0x01;
453     return (cdemu->emulated_drive*0x100)+0;
474     cdemu_t __far       *cdemu;
477     cdemu    = ebda_seg :> &EbdaData->cdemu;
485     device  = cdemu->controller_index * 2;
486     device += cdemu->device_spec;
491     if (!cdemu->active || (cdemu->emulated_drive != GET_DL())) {
537         vspt       = cdemu->vdevice.spt;
538         vcylinders = cdemu->vdevice.cylinders;
539         vheads     = cdemu->vdevice.heads;
540         ilba       = cdemu->ilba;
610         vspt       = cdemu->vdevice.spt;
611         vcylinders = cdemu->vdevice.cylinders - 1;
612         vheads     = cdemu->vdevice.heads - 1;
622         switch (cdemu->media) {
629         if (cdemu->media < 4) {