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3 | ;; Copyright (C) KolibriOS team 2011-2021. All rights reserved. ;; |
3 | ;; Copyright (C) KolibriOS team 2011-2021. All rights reserved. ;; |
4 | ;; Distributed under terms of the GNU General Public License ;; |
4 | ;; Distributed under terms of the GNU General Public License ;; |
5 | ;; ;; |
5 | ;; ;; |
6 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
6 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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7 | 7 | ||
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8 | $Revision: 9930 $ |
8 | $Revision: 9941 $ |
9 | 9 | ||
10 | ; ============================================================================= |
10 | ; ============================================================================= |
11 | ; ================================= Constants ================================= |
11 | ; ================================= Constants ================================= |
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729 | ; Soon we will access the partition table which starts at ebx+0x1BE, |
729 | ; Soon we will access the partition table which starts at ebx+0x1BE, |
730 | ; so we can fill its address right now. If we do it now, then the addressing |
730 | ; so we can fill its address right now. If we do it now, then the addressing |
731 | ; [ecx+0x40] is shorter than [ebx+0x1fe]: one-byte offset vs 4-bytes offset. |
731 | ; [ecx+0x40] is shorter than [ebx+0x1fe]: one-byte offset vs 4-bytes offset. |
732 | lea ecx, [ebx+0x1be] ; ecx -> partition table |
732 | lea ecx, [ebx+0x1be] ; ecx -> partition table |
733 | cmp word [ecx+0x40], 0xaa55 |
733 | cmp word [ecx+0x40], 0xaa55 |
734 | jnz .mbr_failed |
734 | jnz .notmbr |
735 | ; 8. The MBR is treated differently from EBRs. For MBR we additionally need to |
735 | ; 8. The MBR is treated differently from EBRs. For MBR we additionally need to |
736 | ; execute step 10 and possibly step 11. |
736 | ; execute step 10 and possibly step 11. |
737 | test ebp, ebp |
737 | test ebp, ebp |
738 | jnz .mbr |
738 | jnz .mbr |
739 | ; 9. Handle GUID Partition Table |
739 | ; 9. Handle GUID Partition Table |