| 1200,12 → 1200,28 |
|---|
| call boot_log |
| ; Enable interrupts in IDE controller for DMA |
| mov al, 0 |
| mov ah, [DRIVE_DATA+1] |
| test ah, 10100000b |
| jz @f |
| |
| DEBUGF 1, "K : IDE CH1 PIO, because ATAPI drive present\n" |
| jmp .ch2_check |
| @@: |
| mov dx, [IDE_BAR1_val] ;0x3F4 |
| add dx, 2 ;0x3F6 |
| out dx, al |
| DEBUGF 1, "K : IDE CH1 DMA enabled\n" |
| .ch2_check: |
| test ah, 1010b |
| jz @f |
| |
| DEBUGF 1, "K : IDE CH2 PIO, because ATAPI drive present\n" |
| jmp .end_set_interrupts |
| @@: |
| mov dx, [IDE_BAR3_val] ;0x374 |
| add dx, 2 ;0x376 |
| out dx, al |
| DEBUGF 1, "K : IDE CH2 DMA enabled\n" |
| ;-------------------------------------- |
| .end_set_interrupts: |
| ;----------------------------------------------------------------------------- |