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| 3 | ;; Copyright (C) KolibriOS team 2004-2008. All rights reserved. ;; |
3 | ;; Copyright (C) KolibriOS team 2004-2008. 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 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| Line 7... | Line 7... | ||
| 7 | 7 | ||
| Line 8... | Line 8... | ||
| 8 | $Revision: 1131 $ |
8 | $Revision: 1331 $ |
| 9 | 9 | ||
| 10 | 10 | ||
| Line 203... | Line 203... | ||
| 203 | shr ecx, 12 ; ecx = number of pages |
203 | shr ecx, 12 ; ecx = number of pages |
| 204 | jz .next |
204 | jz .next |
| 205 | mov edi, [ebx] |
205 | mov edi, [ebx] |
| 206 | shr edi, 12 ; edi = first page |
206 | shr edi, 12 ; edi = first page |
| 207 | mov eax, edi |
207 | mov eax, edi |
| 208 | neg eax |
- | |
| 209 | shr edi, 5 |
208 | shr edi, 5 |
| - | 209 | shl edi, 2 |
|
| 210 | add edi, sys_pgmap-OS_BASE |
210 | add edi, sys_pgmap-OS_BASE |
| 211 | and eax, 31 |
211 | and eax, 31 |
| 212 | jz .startok |
212 | jz .startok |
| 213 | sub ecx, eax |
213 | add ecx, eax |
| - | 214 | sub ecx, 32 |
|
| 214 | jbe .onedword |
215 | jbe .onedword |
| 215 | push ecx |
216 | push ecx |
| 216 | mov ecx, eax |
217 | mov ecx, eax |
| 217 | xor eax, eax |
218 | or eax, -1 |
| 218 | inc eax |
- | |
| 219 | shl eax, cl |
219 | shl eax, cl |
| 220 | dec eax |
- | |
| 221 | or [edi], eax |
220 | or [edi], eax |
| 222 | add edi, 4 |
221 | add edi, 4 |
| 223 | pop ecx |
222 | pop ecx |
| 224 | .startok: |
223 | .startok: |
| 225 | push ecx |
224 | push ecx |
| 226 | shr ecx, 5 |
225 | shr ecx, 5 |
| 227 | or eax, -1 |
226 | or eax, -1 |
| 228 | rep stosd |
227 | rep stosd |
| 229 | pop ecx |
228 | pop ecx |
| 230 | and ecx, 31 |
229 | and ecx, 31 |
| 231 | not eax |
230 | neg eax |
| 232 | shl eax, cl |
231 | shl eax, cl |
| - | 232 | dec eax |
|
| 233 | or [edi], eax |
233 | or [edi], eax |
| 234 | jmp .next |
234 | jmp .next |
| 235 | .onedword: |
235 | .onedword: |
| - | 236 | add ecx, 32 |
|
| 236 | add ecx, eax |
237 | sub ecx, eax |
| 237 | @@: |
238 | @@: |
| 238 | dec eax |
- | |
| 239 | bts [edi], eax |
239 | bts [edi], eax |
| - | 240 | inc eax |
|
| 240 | loop @b |
241 | loop @b |
| 241 | .next: |
242 | .next: |
| 242 | add ebx, 20 |
243 | add ebx, 20 |
| 243 | dec edx |
244 | dec edx |
| 244 | jnz .scanmap |
245 | jnz .scanmap |