Rev 7122 | Show entire file | Regard whitespace | Details | Blame | Last modification | View Log | RSS feed
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3 | ;; Copyright (C) KolibriOS team 2008-2015. All rights reserved. ;; |
3 | ;; Copyright (C) KolibriOS team 2008-2015. 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: 7122 $ |
8 | $Revision: 7132 $ |
9 | 9 | ||
10 | 10 | ||
11 | ; Detect all BIOS hard drives. |
11 | ; Detect all BIOS hard drives. |
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12 | ; diamond, 2008 |
12 | ; diamond, 2008 |
13 | ; Do not include USB mass storages. CleverMouse, 2013 |
13 | ; Do not include USB mass storages. CleverMouse, 2013 |
14 | ; Read the number of sectors, bytes per sector. dunkaist, 2017 |
14 | ; Read the number of sectors, bytes per sector. dunkaist, 2017 |
15 | 15 | ||
16 | xor cx, cx |
16 | xor cx, cx |
17 | mov es, cx |
17 | mov es, cx |
18 | mov di, BOOT_BIOS_HD |
18 | mov di, BOOT_LO.bios_hd |
19 | mov byte [es:di-1], cl |
19 | mov byte [es:di-1], cl |
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60 | jc bddc2 |
60 | jc bddc2 |
61 | cmp word [es:si], 1Eh |
61 | cmp word [es:si], 1Eh |
62 | jb .noide |
62 | jb .noide |
63 | cmp word [es:si+1Ah], 0xFFFF |
63 | cmp word [es:si+1Ah], 0xFFFF |
64 | jz .noide |
64 | jz .noide |
65 | inc byte [es:BOOT_BIOS_HD_CNT] |
65 | inc byte [es:BOOT_LO.bios_hd_cnt] |
66 | mov al, dl |
66 | mov al, dl |
67 | stosb |
67 | stosb |
68 | push ds |
68 | push ds |
69 | push si |
69 | push si |
70 | lds si, [es:si+1Ah] |
70 | lds si, [es:si+1Ah] |
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93 | cmp word [es:si+28h], 'US' |
93 | cmp word [es:si+28h], 'US' |
94 | jnz .nousb |
94 | jnz .nousb |
95 | cmp byte [es:si+2Ah], 'B' |
95 | cmp byte [es:si+2Ah], 'B' |
96 | jz bddc2 |
96 | jz bddc2 |
97 | .nousb: |
97 | .nousb: |
98 | inc byte [es:BOOT_BIOS_HD_CNT] |
98 | inc byte [es:BOOT_LO.bios_hd_cnt] |
99 | mov al, dl |
99 | mov al, dl |
100 | stosb |
100 | stosb |
101 | xor ax, ax |
101 | xor ax, ax |
102 | stosb |
102 | stosb |
103 | dec ax |
103 | dec ax |