| 458,7 → 458,6 |
|---|
| push edi |
| push ebx |
| |
| |
| lea eax, [attr] |
| stdcall get_fileinfo, [file_name], eax ;find file and get info |
| test eax, eax |
| 484,11 → 483,26 |
|---|
| |
| mov ebx, [eax+4] ;get real size of file |
| mov [file_size], ebx |
| stdcall user_alloc, ebx ;and allocate memory from user heap |
| stdcall user_alloc, ebx ;and allocate space from user heap |
| mov [um_file], eax |
| test eax, eax |
| jz .err_2 |
| |
| mov edx, [file_size] ;preallocate page memory |
| shr eax, 10 |
| lea edi, [page_tabs+eax] |
| add edx, 4095 |
| shr edx, 12 |
| @@: |
| call alloc_page |
| test eax, eax |
| jz .err_3 |
| |
| or eax, PG_UW |
| stosd |
| dec edx |
| jnz @B |
| |
| pushad |
| mov ecx, unpack_mutex |
| call mutex_lock |
| 501,8 → 515,22 |
|---|
| |
| stdcall kernel_free, [km_file] ;we don't need packed file anymore |
| .exit: |
| |
| mov edi, [um_file] |
| mov esi, [um_file] |
| mov eax, [file_size] |
| mov edx, eax |
| |
| add edi, eax ;cleanup remain space |
| mov ecx, 4096 ;from file end |
| and eax, 4095 |
| jz @f |
| sub ecx, eax |
| xor eax, eax |
| cld |
| rep stosb |
| @@: |
| mov eax, [um_file] |
| mov edx, [file_size] |
| |
| pop ebx |
| pop edi |
| 509,7 → 537,6 |
|---|
| pop esi |
| ret |
| |
| |
| .raw_file: ; sometimes we load unpacked file |
| stdcall user_alloc, ebx ; allocate space from user heap |
| mov [um_file], eax |
| 533,13 → 560,14 |
|---|
| @@: |
| lodsd |
| and eax, 0xFFFFF000 |
| or eax, PG_USER |
| or eax, PG_UW |
| stosd |
| loop @B |
| |
| stdcall free_kernel_space, [km_file] ; release allocated kernel space |
| jmp .exit ; physical pages still in use |
| |
| .err_3: |
| stdcall user_free, [um_file] |
| .err_2: |
| stdcall kernel_free, [km_file] |
| .err_1: |