| 30,13 → 30,17 |
|---|
| i_icon dd ? ;+32 |
| ends |
| |
| |
| struct APP_PARAMS |
| app_cmdline dd ? ;0x00 |
| app_path dd ? ;0x04 |
| app_eip dd ? ;0x08 |
| app_esp dd ? ;0x0C |
| app_mem dd ? ;0x10 |
| struct APP_HDR |
| cmdline rd 1 ;0x00 |
| path rd 1 ;0x04 |
| eip rd 1 ;0x08 |
| esp rd 1 ;0x0C |
| _edata rd 1 ;0x10 |
| _emem rd 1 ;0x14 |
| img_base rd 1 ;0x18 |
| img_size rd 1 |
| filename_size rd 1 |
| cmdline_size rd 1 |
| ends |
| |
| macro _clear_ op |
| 46,163 → 50,73 |
|---|
| rep stosd |
| } |
| |
| |
| _strlen: |
| mov ecx, 0xFFFFFFFF |
| xor eax, eax |
| repne scasb |
| mov eax, 0xFFFFFFFE |
| sub eax, ecx |
| retn |
| |
| |
| fs_execute_from_sysdir: |
| xor ebx, ebx |
| fs_execute_from_sysdir_param: |
| xor edx, edx |
| mov esi, sysdir_path |
| |
| align 4 |
| proc fs_execute |
| |
| ;fn_read:dword, file_size:dword, cluster:dword |
| |
| ; ebx - cmdline |
| ; edx - flags |
| ; ebp - full filename |
| ; [esp+4] = procedure DoRead, [esp+8] = filesize & [esp+12]... - arguments for it |
| |
| locals |
| cmdline_size dd ? ; +0 ; cmdline -12 |
| cmdline_adr dd ? ; +4 ; cmdline -8 |
| cmdline_flag dd ? ; +8 ; cmdline -4 |
| cmdline rd 64 ;256/4 |
| filename rd 256 ;1024/4 |
| flags dd ? |
| filename rd 1 |
| cmdline rd 1 |
| flags rd 1 |
| |
| save_proc dd ? |
| slot dd ? |
| slot_base dd ? |
| file_base dd ? |
| file_size dd ? |
| ; handle dd ? ;temp. for default cursor handle for curr. thread |
| slot rd 1 |
| slot_base rd 1 |
| |
| ;app header data |
| hdr_cmdline dd ? ;0x00 |
| hdr_path dd ? ;0x04 |
| hdr_eip dd ? ;0x08 |
| hdr_esp dd ? ;0x0C |
| hdr_mem dd ? ;0x10 |
| hdr_i_end dd ? ;0x14 |
| |
| hdr_cmdline rd 1 ;0x00 |
| hdr_path rd 1 ;0x04 |
| hdr_eip rd 1 ;0x08 |
| hdr_esp rd 1 ;0x0C |
| hdr_edata rd 1 ;0x10 |
| hdr_emem rd 1 ;0x14 |
| file_base rd 1 ;0x18 |
| file_size rd 1 ;0x1c |
| filename_size rd 1 ;0x20 |
| cmdline_size rd 1 ;0x24 |
| |
| endl |
| |
| pushad |
| |
| ; cmp [SCR_MODE], word 0x13 |
| ; jbe @f |
| ; pushad |
| ; stdcall set_cursor, [def_cursor_clock] |
| ; mov [handle], eax |
| ; mov [redrawmouse_unconditional], 1 |
| ; call wakeup_osloop |
| ; popad |
| ;@@: |
| xchg bx, bx |
| mov eax, [ebp] |
| mov [flags], edx |
| |
| ; [ebp] pointer to filename |
| |
| lea edi, [filename] |
| lea ecx, [edi+1024] |
| mov al, '/' |
| stosb |
| @@: |
| cmp edi, ecx |
| jae .bigfilename |
| lodsb |
| stosb |
| test al, al |
| jnz @b |
| mov esi, [ebp] |
| test esi, esi |
| jz .namecopied |
| mov byte [edi-1], '/' |
| @@: |
| cmp edi, ecx |
| jae .bigfilename |
| lodsb |
| stosb |
| test al, al |
| jnz @b |
| jmp .namecopied |
| .bigfilename: |
| popad |
| mov eax, -ERROR_FILE_NOT_FOUND |
| |
| jmp .final |
| |
| .namecopied: |
| xor eax, eax |
| mov [cmdline_flag], eax |
| mov [cmdline_adr], eax |
| mov [cmdline_size], eax |
| |
| mov [cmdline], ebx |
| test ebx, ebx |
| jz .no_copy |
| ;-------------------------------------- |
| pushad |
| pushfd |
| mov esi, ebx |
| mov ecx, 65536 ; 64 Kb max for ext.cmdline |
| cld |
| @@: |
| dec ecx |
| jz .end_string |
| mov [filename], eax |
| |
| lodsb |
| test al, al |
| jnz @b |
| call lock_application_table |
| |
| .end_string: |
| mov eax, 65536 ; 64 Kb max for ext.cmdline |
| sub eax, ecx |
| mov [cmdline_size], eax |
| cmp eax, 255 |
| ja @f |
| |
| popfd |
| popad |
| jmp .old_copy |
| |
| @@: |
| xor eax, eax |
| dec eax |
| mov [cmdline_flag], eax |
| popfd |
| popad |
| ; get memory for the extended command line |
| stdcall kernel_alloc, [cmdline_size] ;eax |
| call alloc_thread_slot |
| mov esi, -0x20 ; too many processes |
| test eax, eax |
| jz .old_copy ; get memory failed |
| jz .err_0 |
| |
| mov [cmdline_adr], eax |
| mov [slot], eax |
| shl eax, 8 |
| add eax, SLOT_BASE |
| mov [slot_base], eax |
| |
| pushad |
| pushfd |
| mov esi, ebx |
| mov edi, eax |
| mov ecx, [cmdline_size] |
| cld |
| rep movsb |
| popfd |
| popad |
| jmp .no_copy |
| |
| .old_copy: |
| ; clear flag because old method with 256 bytes |
| xor eax, eax |
| mov [cmdline_flag], eax |
| ;-------------------------------------- |
| lea eax, [cmdline] |
| mov dword [eax+252], 0 |
| .copy: |
| stdcall strncpy, eax, ebx, 255 |
| .no_copy: |
| lea eax, [filename] |
| mov eax, [filename] |
| stdcall load_file, eax |
| |
| mov esi, -ERROR_FILE_NOT_FOUND |
| test eax, eax |
| jz .err_file |
| jz .err_0 |
| |
| mov [file_base], eax |
| mov [file_size], ebx |
| 213,20 → 127,13 |
|---|
| test eax, eax |
| jz .err_hdr |
| |
| call lock_application_table |
| ;clean extended information about process |
| mov edi, [slot_base] |
| mov ecx, 265/4 |
| xor eax, eax |
| cld |
| rep stosd |
| |
| call alloc_thread_slot |
| test eax, eax |
| mov esi, -0x20 ; too many processes |
| jz .err |
| |
| mov [slot], eax |
| shl eax, 8 |
| add eax, SLOT_BASE |
| mov [slot_base], eax |
| mov edi, eax |
| _clear_ 256 ;clean extended information about process |
| |
| ; write application name |
| lea eax, [filename] |
| stdcall strrchr, eax, '/' ; now eax points to name without path |
| 246,20 → 153,32 |
|---|
| jz .copy_process_name_done |
| stosb |
| loop .copy_process_name_loop |
| |
| .copy_process_name_done: |
| |
| mov ebx, [current_process] |
| mov [save_proc], ebx |
| mov edi, [cmdline] |
| xor eax, eax |
| test edi, edi |
| jz @F |
| |
| stdcall create_process, [hdr_mem], [file_base], [file_size] |
| call _strlen |
| cmp eax, 256 |
| jb @F |
| lea ebx, [eax+1] |
| add [hdr_emem], ebx |
| @@: |
| mov [cmdline_size], eax |
| |
| stdcall create_process, [hdr_emem] |
| |
| mov esi, -30; no memory |
| test eax, eax |
| jz .failed |
| jz .err_hdr |
| |
| mov ebx, [sys_proc+LHEAD.prev] |
| __list_add eax, ebx, sys_proc |
| |
| mov ebx, [hdr_mem] |
| mov ebx, [hdr_emem] |
| mov [eax+PROC.mem_used], ebx |
| |
| mov ebx, [slot_base] |
| 269,60 → 188,39 |
|---|
| lea ecx, [eax+PROC.thr_list] |
| list_add_tail edx, ecx |
| |
| xor edx, edx |
| cmp word [6], '02' |
| jne @f |
| mov esi, sizeof.APP_HDR |
| add esi, [cmdline_size] |
| mov edi, [filename] |
| call _strlen |
| add esi, eax |
| mov [filename_size], eax |
| |
| not edx |
| @@: |
| mov [ebx+APPDATA.tls_base], edx |
| stdcall kernel_alloc, esi |
| mov [ebx+APPDATA.exec_params], eax |
| mov edi, eax |
| lea esi, [hdr_cmdline] |
| mov ecx, sizeof.APP_HDR/4 |
| rep movsd |
| |
| mov ecx, [hdr_mem] |
| mov edi, [file_size] |
| add edi, 4095 |
| and edi, not 4095 |
| sub ecx, edi |
| jna @F |
| mov esi, [filename] |
| mov ecx, [filename_size] |
| rep movsb |
| mov ecx, [cmdline_size] |
| mov esi, [cmdline] |
| rep movsb |
| |
| xor eax, eax |
| cld |
| rep stosb |
| @@: |
| |
| ; release only virtual space, not phisical memory |
| |
| stdcall free_kernel_space, [file_base] |
| lea eax, [hdr_cmdline] |
| lea ebx, [cmdline] |
| lea ecx, [filename] |
| stdcall set_app_params , [slot], eax, ebx, ecx, [flags] |
| stdcall set_app_params , [slot], eax, [flags] |
| |
| mov eax, [save_proc] |
| call set_cr3 |
| |
| mov eax, [process_number];set result |
| call unlock_application_table |
| ret |
| |
| jmp .final |
| |
| .failed: |
| mov eax, [save_proc] |
| call set_cr3 |
| .err: |
| .err_hdr: |
| stdcall kernel_free, [file_base] |
| .err_file: |
| .err_0: |
| call unlock_application_table |
| mov eax, esi |
| .final: |
| ; cmp [SCR_MODE], word 0x13 |
| ; jbe @f |
| ; pushad |
| ; stdcall set_cursor, [handle] |
| ; mov [redrawmouse_unconditional], 1 |
| ; call wakeup_osloop |
| ; popad |
| ;@@: |
| ret |
| endp |
| |
| 344,17 → 242,17 |
|---|
| jne .check_01_header |
| |
| mov ecx, [APP_HEADER_00.start] |
| mov [ebx+0x08], ecx ;app_eip |
| mov [ebx+APP_HDR.eip], ecx |
| mov edx, [APP_HEADER_00.mem_size] |
| mov [ebx+0x10], edx ;app_mem |
| mov [ebx+APP_HDR._emem], edx |
| shr edx, 1 |
| sub edx, 0x10 |
| mov [ebx+0x0C], edx ;app_esp |
| mov [ebx+APP_HDR.esp], edx |
| mov ecx, [APP_HEADER_00.i_param] |
| mov [ebx], ecx ;app_cmdline |
| mov [ebx+4], dword 0 ;app_path |
| mov [ebx+APP_HDR.cmdline], ecx |
| mov [ebx+APP_HDR.path], 0 |
| mov edx, [APP_HEADER_00.i_end] |
| mov [ebx+0x14], edx |
| mov [ebx+APP_HDR._edata], edx |
| ret |
| |
| .check_01_header: |
| 365,7 → 263,7 |
|---|
| jne .fail |
| @@: |
| mov ecx, [APP_HEADER_01.start] |
| mov [ebx+0x08], ecx ;app_eip |
| mov [ebx+0x08], ecx |
| mov edx, [APP_HEADER_01.mem_size] |
| |
| ; \begin{diamond}[20.08.2006] |
| 375,15 → 273,15 |
|---|
| jb .fail |
| ; \end{diamond}[20.08.2006] |
| |
| mov [ebx+0x10], edx ;app_mem |
| mov [ebx+APP_HDR._emem], edx |
| mov ecx, [APP_HEADER_01.stack_top] |
| mov [ebx+0x0C], ecx ;app_esp |
| mov [ebx+APP_HDR.esp], ecx |
| mov edx, [APP_HEADER_01.i_param] |
| mov [ebx], edx ;app_cmdline |
| mov [ebx+APP_HDR.cmdline], edx |
| mov ecx, [APP_HEADER_01.i_icon] |
| mov [ebx+4], ecx ;app_path |
| mov [ebx+APP_HDR.path], ecx |
| mov edx, [APP_HEADER_01.i_end] |
| mov [ebx+0x14], edx |
| mov [ebx+APP_HDR._edata], edx |
| ret |
| .fail: |
| xor eax, eax |
| 422,10 → 320,8 |
|---|
| |
| |
| align 4 |
| proc create_process stdcall, app_size:dword,img_base:dword,img_size:dword |
| proc create_process stdcall, app_size:dword |
| locals |
| app_pages dd ? |
| img_pages dd ? |
| process dd ? |
| app_tabs dd ? |
| endl |
| 434,38 → 330,14 |
|---|
| push esi |
| push edi |
| |
| mov ecx, pg_data.mutex |
| call mutex_lock |
| |
| xor eax, eax |
| mov [process], eax |
| |
| mov eax, [app_size] |
| add eax, 4095 |
| and eax, NOT(4095) |
| mov [app_size], eax |
| mov ebx, eax |
| shr eax, 12 |
| mov [app_pages], eax |
| add eax, 0x3FFFFF |
| shr eax, 22 |
| mov [app_tabs], eax |
| |
| add ebx, 0x3FFFFF |
| and ebx, NOT(0x3FFFFF) |
| shr ebx, 22 |
| mov [app_tabs], ebx |
| |
| mov ecx, [img_size] |
| add ecx, 4095 |
| and ecx, NOT(4095) |
| |
| mov [img_size], ecx |
| shr ecx, 12 |
| mov [img_pages], ecx |
| |
| lea eax, [eax+ebx+2];all requested memory |
| |
| cmp eax, [pg_data.pages_free] |
| ja .fail |
| |
| stdcall kernel_alloc, 0x2000 |
| test eax, eax |
| jz .fail |
| 509,62 → 381,28 |
|---|
| or eax, PG_SWR |
| mov [edi-4096+(page_tabs shr 20)], eax |
| |
| lea eax, [edi-8192] |
| call set_cr3 |
| xchg bx, bx |
| |
| mov edx, [app_tabs] |
| xor edi, edi |
| @@: |
| lea edx, [edi-4096] |
| mov esi, [app_tabs] |
| |
| .alloc_page_dir: |
| call alloc_page |
| test eax, eax |
| jz .fail |
| or eax, PG_UWR |
| mov [edx], eax |
| |
| stdcall map_page_table, edi, eax |
| add edi, 0x00400000 |
| dec edx |
| jnz @B |
| |
| mov edi, page_tabs |
| |
| mov ecx, [app_tabs] |
| shl ecx, 10 |
| mov edi, [tmp_task_ptab] |
| stdcall map_page, edi, eax, PG_SWR |
| mov ecx, 1024 |
| xor eax, eax |
| rep stosd |
| |
| mov ecx, [img_pages] |
| mov ebx, PG_UWR |
| xor edx, edx |
| mov esi, [img_base] |
| shr esi, 10 |
| add esi, page_tabs |
| mov edi, page_tabs |
| .remap: |
| lodsd |
| and eax, 0xFFFFF000 |
| or eax, ebx; force user level r/w access |
| stosd |
| add edx, 0x1000 |
| dec [app_pages] |
| dec ecx |
| jnz .remap |
| add edx, 4 |
| dec esi |
| jnz .alloc_page_dir |
| |
| mov ecx, [app_pages] |
| test ecx, ecx |
| jz .done |
| |
| .alloc: |
| call alloc_page |
| test eax, eax |
| jz .fail |
| |
| stdcall map_page, edx, eax, dword PG_UWR |
| add edx, 0x1000 |
| dec [app_pages] |
| jnz .alloc |
| |
| .done: |
| mov ecx, pg_data.mutex |
| call mutex_unlock |
| mov eax, [process] |
| |
| pop edi |
| 571,9 → 409,8 |
|---|
| pop esi |
| pop ebx |
| ret |
| |
| .fail: |
| mov ecx, pg_data.mutex |
| call mutex_unlock |
| cmp [process], 0 |
| je @f |
| ;; stdcall destroy_app_space, [dir_addr], 0 |
| 958,8 → 795,7 |
|---|
| list_add_tail ebx, ecx ;add thread to process child's list |
| |
| lea eax, [app_cmdline] |
| stdcall set_app_params , [slot], eax, dword 0, \ |
| dword 0, [flags] |
| stdcall set_app_params , [slot], eax, [flags] |
| |
| mov eax, [process_number] ;set result |
| call unlock_application_table |
| 972,7 → 808,116 |
|---|
| ret |
| endp |
| |
| proc map_process_image stdcall, img_size:dword, file_base:dword, file_size:dword |
| |
| mov edx, [img_size] |
| mov esi, [file_base] |
| mov ecx, [file_size] |
| add edx, 4095 |
| add ecx, 4095 |
| shr edx, 12 ; total pages |
| shr ecx, 12 ; image pages |
| |
| mov edi, page_tabs |
| shr esi, 10 |
| add esi, edi |
| |
| .map_image: |
| lodsd |
| and eax, -4096 |
| or eax, PG_UWR |
| stosd |
| dec edx |
| loop .map_image |
| |
| test edx, edx |
| jz .done |
| .map_bss: |
| call alloc_page |
| test eax, eax |
| jz .fail |
| |
| or eax, PG_UWR |
| stosd |
| dec edx |
| jnz .map_bss |
| |
| mov edi, [file_size] |
| mov ecx, [img_size] |
| add edi, 4095 |
| and edi, -4096 |
| add ecx, 4095 |
| and ecx, -4096 |
| sub ecx, edi |
| shr ecx, 2 |
| xor eax, eax |
| rep stosd |
| |
| .done: |
| .fail: |
| ret |
| endp |
| |
| align 4 |
| common_app_entry: |
| |
| xchg bx, bx |
| mov ebp, [current_slot] |
| mov ebp, [ebp+APPDATA.exec_params] |
| test ebp, ebp |
| jz .exit |
| |
| stdcall map_process_image, [ebp+APP_HDR._emem],\ |
| [ebp+APP_HDR.img_base], [ebp+APP_HDR.img_size] |
| |
| xor eax, eax |
| mov edi, [ebp+APP_HDR.path] |
| lea esi, [ebp+sizeof.APP_HDR] |
| mov ecx, [ebp+APP_HDR.filename_size] |
| test edi, edi |
| jnz .copy_filename |
| |
| add esi, ecx |
| jmp .copy_cmdline |
| |
| .copy_filename: |
| rep movsb |
| stosb |
| |
| .copy_cmdline: |
| mov edi, [ebx+APP_HDR.cmdline] |
| mov ecx, [ebx+APP_HDR.cmdline_size] |
| test edi, edi |
| jz .check_tls_header |
| |
| rep movsb |
| stosb |
| |
| .check_tls_header: |
| |
| cmp word [6], '02' |
| jne .cleanup |
| |
| call init_heap |
| stdcall user_alloc, 4096 |
| |
| mov edx, [current_slot] |
| mov [edx+APPDATA.tls_base], eax |
| mov [tls_data_l+2], ax |
| shr eax, 16 |
| mov [tls_data_l+4], al |
| mov [tls_data_l+7], ah |
| mov dx, app_tls |
| mov fs, dx |
| |
| .cleanup: |
| stdcall free_kernel_space, [ebp+APP_HDR.img_base] |
| stdcall kernel_free, ebp |
| .exit: |
| popad |
| iretd |
| |
| align 4 |
| tls_app_entry: |
| |
| call init_heap |
| 995,10 → 940,8 |
|---|
| EFL_IOPL2 equ 0x2000 |
| EFL_IOPL3 equ 0x3000 |
| |
| |
| align 4 |
| proc set_app_params stdcall,slot:dword, params:dword,\ |
| cmd_line:dword, app_path:dword, flags:dword |
| proc set_app_params stdcall,slot:dword, params:dword, flags:dword |
| |
| locals |
| pl0_stack dd ? |
| 1059,73 → 1002,18 |
|---|
| rep movsd |
| |
| shr ebx, 3 |
| mov eax, new_app_base |
| mov dword [CURRENT_TASK+ebx+0x10], eax |
| mov dword [CURRENT_TASK+ebx+0x10], 0 |
| |
| .add_command_line: |
| mov edx, [params] |
| mov edx, [edx] ;app_cmdline |
| test edx, edx |
| jz @f ;application doesn't need parameters |
| |
| mov eax, edx |
| add eax, 256 |
| jc @f |
| |
| ; cmp eax, [SLOT_BASE+APPDATA.mem_size+ebx*8] |
| ; ja @f |
| |
| mov eax, [cmd_line] |
| |
| cmp [edx], dword 0xffffffff ; extended destination tag |
| jne .no_ext_dest |
| |
| mov edx, [edx+4] ; extended destination for cmdline |
| jmp .continue |
| |
| .no_ext_dest: |
| mov [eax-12], dword 255 |
| .continue: |
| mov byte [edx], 0 ;force empty string if no cmdline given |
| |
| test eax, eax |
| jz @f |
| ;-------------------------------------- |
| cmp [eax-4], dword 0xffffffff ; cmdline_flag |
| jne .old_copy |
| |
| push eax |
| stdcall strncpy, edx, [eax-8], [eax-12] |
| pop eax |
| |
| stdcall kernel_free, [eax-8] |
| jmp @f |
| |
| .old_copy: |
| ;-------------------------------------- |
| stdcall strncpy, edx, eax, 256 |
| @@: |
| mov edx, [params] |
| mov edx, [edx+4];app_path |
| test edx, edx |
| jz @F ;application don't need path of file |
| mov eax, edx |
| add eax, 1024 |
| jc @f |
| ; cmp eax, [SLOT_BASE+APPDATA.mem_size+ebx*8] |
| ; ja @f |
| stdcall strncpy, edx, [app_path], 1024 |
| @@: |
| mov ebx, [slot] |
| mov eax, ebx |
| shl ebx, 5 |
| lea ecx, [draw_data+ebx];ecx - pointer to draw data |
| |
| mov edx, irq0.return |
| cmp [ebx*8+SLOT_BASE+APPDATA.tls_base], -1 |
| jne @F |
| mov edx, tls_app_entry |
| @@: |
| ; mov edx, common_app_entry |
| ; cmp [ebx*8+SLOT_BASE+APPDATA.tls_base], -1 |
| ; jne @F |
| ; mov edx, tls_app_entry |
| ;@@: |
| ; set window state to 'normal' (non-minimized/maximized/rolled-up) state |
| mov [ebx+window_data+WDATA.fl_wstate], WSTATE_NORMAL |
| mov [ebx+window_data+WDATA.fl_redraw], 1 |
| 1152,7 → 1040,7 |
|---|
| lea ecx, [ebx+REG_EIP] |
| xor eax, eax |
| |
| mov [ebx+REG_RET], edx |
| mov [ebx+REG_RET], dword common_app_entry |
| mov [ebx+REG_EDI], eax |
| mov [ebx+REG_ESI], eax |
| mov [ebx+REG_EBP], eax |
| 1162,8 → 1050,8 |
|---|
| mov [ebx+REG_ECX], eax |
| mov [ebx+REG_EAX], eax |
| |
| mov eax, [esi+0x08] ;app_eip |
| mov [ebx+REG_EIP], eax ;app_entry |
| mov eax, [esi+APP_HDR.eip] |
| mov [ebx+REG_EIP], eax |
| mov [ebx+REG_CS], dword app_code |
| mov ecx, USER_PRIORITY |
| |
| 1172,12 → 1060,11 |
|---|
| |
| mov [ebx+REG_CS], dword os_code ; kernel thread |
| mov ecx, MAX_PRIORITY |
| |
| @@: |
| mov [ebx+REG_EFLAGS], dword EFL_IOPL1+EFL_IF |
| |
| mov eax, [esi+0x0C] ;app_esp |
| mov [ebx+REG_APP_ESP], eax;app_stack |
| mov eax, [esi+APP_HDR.esp] |
| mov [ebx+REG_APP_ESP], eax |
| mov [ebx+REG_SS], dword app_data |
| |
| lea edx, [ebx+REG_RET] |