#include "usb-msc.h" // process_usb_op
#include "virtio-blk.h" // process_virtio_op
-struct drives_s Drives VAR16VISIBLE;
+u8 FloppyCount VAR16VISIBLE;
+u8 CDCount;
+struct drive_s *IDMap[3][CONFIG_MAX_EXTDRIVE] VAR16VISIBLE;
struct drive_s *
getDrive(u8 exttype, u8 extdriveoffset)
{
- if (extdriveoffset >= ARRAY_SIZE(Drives.idmap[0]))
+ if (extdriveoffset >= ARRAY_SIZE(IDMap[0]))
return NULL;
- struct drive_s *drive_gf = GET_GLOBAL(Drives.idmap[exttype][extdriveoffset]);
+ struct drive_s *drive_gf = GET_GLOBAL(IDMap[exttype][extdriveoffset]);
if (!drive_gf)
return NULL;
return GLOBALFLAT2GLOBAL(drive_gf);
int getDriveId(u8 exttype, struct drive_s *drive_g)
{
int i;
- for (i = 0; i < ARRAY_SIZE(Drives.idmap[0]); i++)
+ for (i = 0; i < ARRAY_SIZE(IDMap[0]); i++)
if (getDrive(exttype, i) == drive_g)
return i;
return -1;
static void
add_drive(struct drive_s **idmap, u8 *count, struct drive_s *drive_g)
{
- if (*count >= ARRAY_SIZE(Drives.idmap[0])) {
+ if (*count >= ARRAY_SIZE(IDMap[0])) {
warn_noalloc();
return;
}
struct bios_data_area_s *bda = MAKE_FLATPTR(SEG_BDA, 0);
int hdid = bda->hdcount;
dprintf(3, "Mapping hd drive %p to %d\n", drive_g, hdid);
- add_drive(Drives.idmap[EXTTYPE_HD], &bda->hdcount, drive_g);
+ add_drive(IDMap[EXTTYPE_HD], &bda->hdcount, drive_g);
// Setup disk geometry translation.
setup_translation(drive_g);
map_cd_drive(struct drive_s *drive_g)
{
dprintf(3, "Mapping cd drive %p\n", drive_g);
- add_drive(Drives.idmap[EXTTYPE_CD], &Drives.cdcount, drive_g);
+ add_drive(IDMap[EXTTYPE_CD], &CDCount, drive_g);
}
// Map a floppy
map_floppy_drive(struct drive_s *drive_g)
{
dprintf(3, "Mapping floppy drive %p\n", drive_g);
- add_drive(Drives.idmap[EXTTYPE_FLOPPY], &Drives.floppycount, drive_g);
+ add_drive(IDMap[EXTTYPE_FLOPPY], &FloppyCount, drive_g);
// Update equipment word bits for floppy
- if (Drives.floppycount == 1) {
+ if (FloppyCount == 1) {
// 1 drive, ready for boot
SETBITS_BDA(equipment_list_flags, 0x01);
SET_BDA(floppy_harddisk_info, 0x07);
- } else if (Drives.floppycount >= 2) {
+ } else if (FloppyCount >= 2) {
// 2 drives, ready for boot
SETBITS_BDA(equipment_list_flags, 0x41);
SET_BDA(floppy_harddisk_info, 0x77);
#define TRANSLATION_LARGE 2
#define TRANSLATION_RECHS 3
-struct drives_s {
- // map between bios floppy/hd/cd id and drive_s struct
- u8 floppycount;
- u8 cdcount;
- struct drive_s *idmap[3][CONFIG_MAX_EXTDRIVE];
-};
-
#define EXTTYPE_FLOPPY 0
#define EXTTYPE_HD 1
#define EXTTYPE_CD 2
****************************************************************/
// block.c
-extern struct drives_s Drives;
+extern u8 FloppyCount, CDCount;
struct drive_s *getDrive(u8 exttype, u8 extdriveoffset);
int getDriveId(u8 exttype, struct drive_s *drive_g);
void map_floppy_drive(struct drive_s *drive_g);