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 |
46,160 → 50,59 |
rep stosd |
} |
|
align 4 |
_strnlen: |
mov edx, ecx |
xor eax, eax |
repne scasb |
jne @F |
inc ecx |
@@: |
mov eax, edx |
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 |
;@@: |
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 |
|
.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 |
test eax, eax |
jz .old_copy ; get memory failed |
|
mov [cmdline_adr], 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 |
216,25 → 119,28 |
call lock_application_table |
|
call alloc_thread_slot |
mov esi, -0x20 ; too many processes |
test eax, eax |
mov esi, -0x20 ; too many processes |
jz .err |
jz .err_0 |
|
mov [slot], eax |
shl eax, 8 |
add eax, SLOT_BASE |
mov [slot_base], eax |
mov edi, eax |
_clear_ 256 ;clean extended information about process |
lea edi, [SLOT_BASE+eax] |
mov [slot_base], edi |
|
;clean extended information about process |
mov ecx, 256/4 |
xor eax, eax |
cld |
rep stosd |
|
; write application name |
lea eax, [filename] |
stdcall strrchr, eax, '/' ; now eax points to name without path |
stdcall strrchr, [filename], '/' ; now eax points to name without path |
|
lea esi, [eax+1] |
test eax, eax |
jnz @F |
lea esi, [filename] |
mov esi, [filename] |
@@: |
mov ecx, 11 ; 11 chars for name! 8 - is old value! |
mov edi, [slot_base] |
246,20 → 152,33 |
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] |
mov ecx, 65535 |
call _strnlen |
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 → 188,43 |
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] |
|
not edx |
@@: |
mov [ebx+APPDATA.tls_base], edx |
mov edi, [filename] |
mov ecx, 1023 |
call _strnlen |
add esi, eax |
mov [filename_size], eax |
|
mov ecx, [hdr_mem] |
mov edi, [file_size] |
add edi, 4095 |
and edi, not 4095 |
sub ecx, edi |
jna @F |
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 |
|
xor eax, eax |
cld |
rep stosb |
@@: |
mov esi, [filename] |
mov ecx, [filename_size] |
rep movsb |
mov ecx, [cmdline_size] |
mov esi, [cmdline] |
rep movsb |
|
; 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 |
.err_0: |
call unlock_application_table |
|
.failed: |
mov eax, [save_proc] |
call set_cr3 |
.err: |
.err_hdr: |
stdcall kernel_free, [file_base] |
.err_file: |
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 → 246,17 |
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 → 267,7 |
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 → 277,15 |
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 |
420,12 → 322,9 |
popfd |
ret |
|
|
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 → 333,14 |
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 → 384,27 |
or eax, PG_SWR |
mov [edi-4096+(page_tabs shr 20)], eax |
|
lea eax, [edi-8192] |
call set_cr3 |
lea edx, [edi-4096] |
mov esi, [app_tabs] |
|
mov edx, [app_tabs] |
xor edi, edi |
@@: |
.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 |
stdcall map_page, [tmp_task_ptab], 0, PG_UNMAP |
mov eax, [process] |
|
pop edi |
572,11 → 412,10 |
pop ebx |
ret |
.fail: |
mov ecx, pg_data.mutex |
call mutex_unlock |
cmp [process], 0 |
je @f |
;; stdcall destroy_app_space, [dir_addr], 0 |
mov ecx, [process] |
jcxz @F |
|
call destroy_process |
@@: |
xor eax, eax |
pop edi |
586,18 → 425,6 |
endp |
|
align 4 |
set_cr3: |
pushfd |
cli |
mov ebx, [current_slot] |
mov [current_process], eax |
mov [ebx+APPDATA.process], eax |
mov eax, [eax+PROC.pdt_0_phys] |
mov cr3, eax |
popfd |
ret |
|
align 4 |
proc destroy_page_table stdcall, pg_tab:dword |
|
push esi |
856,7 → 683,6 |
mov ecx, 0x8000 |
@@: |
mov ebx, [offset] |
; add ebx, new_app_base |
push ecx |
stdcall map_memEx, [proc_mem_map], \ |
[slot], ebx, ecx, PG_SWR |
958,8 → 784,7 |
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 |
972,9 → 797,110 |
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 |
tls_app_entry: |
common_app_entry: |
|
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 .check_cmdline |
|
.copy_filename: |
rep movsb |
stosb |
|
.check_cmdline: |
mov edi, [ebp+APP_HDR.cmdline] |
mov ecx, [ebp+APP_HDR.cmdline_size] |
test edi, edi |
jz .check_tls_header |
|
cmp ecx, 256 |
jb .copy_cmdline |
|
mov edi, [ebp+APP_HDR._emem] |
add edi, 4095 |
and edi, -4096 |
sub edi, ecx |
dec edi |
|
cmp word [6], '00' |
jne @F |
mov [APP_HEADER_00_.i_param], edi |
jmp .copy_cmdline |
@@: |
mov [APP_HEADER_01_.i_param], edi |
|
.copy_cmdline: |
rep movsb |
stosb |
|
.check_tls_header: |
cmp word [6], '02' |
jne .cleanup |
|
call init_heap |
stdcall user_alloc, 4096 |
|
986,19 → 912,21 |
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 |
|
|
EFL_IF equ 0x0200 |
EFL_IOPL1 equ 0x1000 |
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 → 987,13 |
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 |
@@: |
; 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 → 1020,7 |
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 → 1030,8 |
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 → 1040,11 |
|
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] |
1199,9 → 1066,7 |
ret |
endp |
|
|
align 4 |
|
get_stack_base: |
mov eax, [current_slot] |
mov eax, [eax+APPDATA.pl0_stack] |