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| 3 | ;; Copyright (C) KolibriOS team 2004-2012. All rights reserved. ;; |
3 | ;; Copyright (C) KolibriOS team 2004-2012. 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: 3371 $ |
8 | $Revision: 3798 $ |
| 9 | 9 | ||
| 10 | 10 | ||
| Line 888... | Line 888... | ||
| 888 | cmp eax, ebx ; check for overflow |
888 | cmp eax, ebx ; check for overflow |
| 889 | ja .error |
889 | ja .error |
| Line 890... | Line 890... | ||
| 890 | 890 | ||
| 891 | mov ebx, [offset] |
891 | mov ebx, [offset] |
| - | 892 | and ebx, not 4095 ; is it required ? |
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| Line 892... | Line 893... | ||
| 892 | and ebx, not 4095 ; is it required ? |
893 | add ebx, [base] |
| 893 | 894 | ||
| 894 | .unmap: |
895 | .unmap: |
| 895 | mov eax, [edx] ; get page addres |
896 | mov eax, [edx] ; get page addres |
| 896 | test al, 1 ; page mapped ? |
897 | test al, 1 ; page mapped ? |
| 897 | jz @F |
898 | jz @F |
| 898 | test eax, PG_SHARED ; page shared ? |
899 | test eax, PG_SHARED ; page shared ? |
| 899 | jnz @F |
900 | jnz @F |
| 900 | mov [page_tabs+edx*4], dword 2 |
901 | mov [edx], dword 2 |
| 901 | ; mark page as reserved |
902 | ; mark page as reserved |
| 902 | invlpg [ebx] ; when we start using |
903 | invlpg [ebx] ; when we start using |
| 903 | call free_page ; empty c-o-w page instead this ? |
904 | call free_page ; empty c-o-w page instead this ? |