| /kernel/trunk/fs/fat32.inc |
|---|
| 131,6 → 131,10 |
| endg |
| reserve_hd_channel: |
| ; BIOS disk accesses are protected with common mutex hd1_status |
| ; This must be modified when hd1_status will not be valid! |
| cmp [hdpos], 0x80 |
| jae .ret |
| cmp [hdbase], 0x1F0 |
| jne .IDE_Channel_2 |
| .IDE_Channel_1: |
| 165,13 → 169,18 |
| call clear_hd_cache |
| @@: |
| pop eax |
| .ret: |
| ret |
| free_hd_channel: |
| ; see comment at reserve_hd_channel |
| cmp [hdpos], 0x80 |
| jae .ret |
| cmp [hdbase], 0x1F0 |
| jne .IDE_Channel_2 |
| .IDE_Channel_1: |
| mov [IDE_Channel_1],0 |
| .ret: |
| ret |
| .IDE_Channel_2: |
| mov [IDE_Channel_2],0 |