Aren/toaruos
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

ata: identify disk before checking its size...

Browse Source
This commit is contained in:
K. Lange 2021-09-07 18:40:27 +09:00
parent 0d7e7c6b8b
commit 205c63a48b
1 changed files with 6 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
modules/ata.c
View File

@ -195,6 +195,7 @@ static void ata_device_write_sector_retry(struct ata_device * dev, uint64_t lba,
static off_t ata_max_offset(struct ata_device * dev) {
uint64_t sectors = dev->identity.sectors_48;
if (!sectors) {
/* Fall back to sectors_28 */
sectors = dev->identity.sectors_28;
@ -658,14 +659,17 @@ static int ata_device_detect(struct ata_device * dev) {
if ((cl == 0x00 && ch == 0x00) ||
(cl == 0x3C && ch == 0xC3)) {
/* Parallel ATA device, or emulated SATA */
ata_device_init(dev);
off_t sectors = ata_max_offset(dev);
if (sectors == 0) return 0;
if (sectors == 0) {
return 0;
}
char devname[64];
snprintf((char *)&devname, 20, "/dev/hd%c", ata_drive_char);
fs_node_t * node = ata_device_create(dev);
vfs_mount(devname, node);
ata_device_init(dev);
node->length = sectors;
ata_drive_char++;