* redistribute, and modify it as specified in the file "V3VEE_LICENSE".
*/
+#define MAX_MULT_SECTORS 255
+
static void ata_identify_device(struct ide_drive * drive) {
struct ide_drive_id * drive_id = (struct ide_drive_id *)(drive->data_buf);
// 32 bits access
drive_id->dword_io = 1;
+
// enable DMA access
drive_id->dma_enable = 1;
// Drive Capacity (48 bit LBA)
drive_id->lba_capacity_2 = drive->hd_ops->get_capacity(drive->private_data);
- drive_id->rw_multiples = 0x80ff;
+
+ // lower byte is the maximum multiple sector size...
+ drive_id->rw_multiples = 0x8000 | MAX_MULT_SECTORS;
+
+
// words 64-70, 54-58 valid
drive_id->field_valid = 0x0007; // DMA + pkg cmd valid
+
// copied from CFA540A
- drive_id->buf[63] = 0x0103; // variable (DMA stuff)
+ // drive_id->buf[63] = 0x0103; // variable (DMA stuff)
//drive_id->buf[63] = 0x0000; // variable (DMA stuff)
+ drive_id->buf[63] = 0x0007;
+
// drive_id->buf[64] = 0x0001; // PIO
drive_id->buf[65] = 0x00b4;
// drive_id->buf[80] = 0x1e; // supports up to ATA/ATAPI-4
drive_id->major_rev_num = 0x0040; // supports up to ATA/ATAPI-6
+
drive_id->buf[83] |= 0x0400; // supports 48 bit LBA
drive_id->dma_ultra = 0x2020; // Ultra_DMA_Mode_5_Selected | Ultra_DMA_Mode_5_Supported;
+
}
-static int ata_read(struct vm_device * dev, struct ide_channel * channel) {
+static int ata_read(struct vm_device * dev, struct ide_channel * channel, uint8_t * dst, uint_t sect_cnt) {
struct ide_drive * drive = get_selected_drive(channel);
if (drive->hd_state.accessed == 0) {
drive->hd_state.accessed = 1;
}
- int ret = drive->hd_ops->read(drive->data_buf, 1, drive->current_lba, drive->private_data);
+ int ret = drive->hd_ops->read(dst, sect_cnt, drive->current_lba, drive->private_data);
if (ret == -1) {
PrintError("IDE: Error reading HD block (LBA=%p)\n", (void *)(addr_t)(drive->current_lba));
lba_addr.buf[2] = drive->lba2;
lba_addr.buf[3] = channel->drive_head.lba3;
- PrintDebug("LBA Address %d\n", drive->lba0);
- PrintDebug("sector_num %d\n", drive->sector_num);
-
if (lba_addr.addr + (sect_cnt * IDE_SECTOR_SIZE) >
drive->hd_ops->get_capacity(drive->private_data)) {
drive->current_lba = lba_addr.addr;
- if (ata_read(dev, channel) == -1) {
+ if (ata_read(dev, channel, drive->data_buf, 1) == -1) {
PrintError("Could not read disk sector\n");
return -1;
}