Rev 3232 | Go to most recent revision | Show entire file | Regard whitespace | Details | Blame | Last modification | View Log | RSS feed
| Rev 3232 | Rev 3500 | ||
|---|---|---|---|
| Line 72... | Line 72... | ||
| 72 | cmp edx, eax |
72 | cmp edx, eax |
| 73 | jb @f |
73 | jb @f |
| 74 | mov edx, eax |
74 | mov edx, eax |
| 75 | @@: |
75 | @@: |
| 76 | ; 2. Zero all system areas on the disk. |
76 | ; 2. Zero all system areas on the disk. |
| 77 | lea ecx, [256*(1+FAT16_ROOTDIR_SECTORS)/2+edx+255] |
77 | lea ecx, [256*(1+FAT16_ROOTDIR_SECTORS)+edx+255] |
| 78 | and ecx, not 255 |
78 | and ecx, not 255 |
| 79 | shr ecx, 1 |
79 | shr ecx, 1 |
| 80 | xor eax, eax |
80 | xor eax, eax |
| 81 | push edi |
81 | push edi |
| 82 | rep stosd |
82 | rep stosd |
| Line 297... | Line 297... | ||
| 297 | fat32bootsector_stub: |
297 | fat32bootsector_stub: |
| 298 | db 0EBh, 58h, 90h ; BS_jmpBoot |
298 | db 0EBh, 58h, 90h ; BS_jmpBoot |
| 299 | db 'KOLIBRI ' ; BS_OEMName |
299 | db 'KOLIBRI ' ; BS_OEMName |
| 300 | dw 512 ; BPB_BytsPerSec |
300 | dw 512 ; BPB_BytsPerSec |
| 301 | db 1 ; BPB_SecsPerClus |
301 | db 1 ; BPB_SecsPerClus |
| 302 | dw 1 ; BPB_RsvdSecCnt |
302 | dw 2 ; BPB_RsvdSecCnt |
| 303 | db 1 ; BPB_NumFATs |
303 | db 1 ; BPB_NumFATs |
| 304 | dw 0 ; BPB_RootEntCnt |
304 | dw 0 ; BPB_RootEntCnt |
| 305 | dw 0 ; BPB_TotSec16 |
305 | dw 0 ; BPB_TotSec16 |
| 306 | db 0F8h ; BPB_Media |
306 | db 0F8h ; BPB_Media |
| 307 | dw 0 ; BPB_FATSz16 |
307 | dw 0 ; BPB_FATSz16 |