forked from KolibriOS/kolibrios
1117 lines
26 KiB
PHP
1117 lines
26 KiB
PHP
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
;; ;;
|
|
;; Copyright (C) KolibriOS team 2004-2015. All rights reserved. ;;
|
|
;; Distributed under terms of the GNU General Public License ;;
|
|
;; ;;
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
|
$Revision$
|
|
|
|
|
|
GREEDY_KERNEL equ 0
|
|
|
|
struct APP_HEADER_00_
|
|
banner dq ?
|
|
version dd ? ;+8
|
|
start dd ? ;+12
|
|
i_end dd ? ;+16
|
|
mem_size dd ? ;+20
|
|
i_param dd ? ;+24
|
|
ends
|
|
|
|
struct APP_HEADER_01_
|
|
banner dq ?
|
|
version dd ? ;+8
|
|
start dd ? ;+12
|
|
i_end dd ? ;+16
|
|
mem_size dd ? ;+20
|
|
stack_top dd ? ;+24
|
|
i_param dd ? ;+28
|
|
i_icon dd ? ;+32
|
|
ends
|
|
|
|
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
|
|
{ mov ecx, op/4
|
|
xor eax, eax
|
|
cld
|
|
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
|
|
|
|
align 4
|
|
proc fs_execute
|
|
; ebx - cmdline
|
|
; edx - flags
|
|
; ebp - full filename
|
|
|
|
locals
|
|
filename rd 1
|
|
cmdline rd 1
|
|
flags rd 1
|
|
|
|
slot rd 1
|
|
slot_base rd 1
|
|
|
|
;app header data
|
|
|
|
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
|
|
|
|
mov eax, [ebp]
|
|
mov [flags], edx
|
|
mov [cmdline], ebx
|
|
mov [filename], eax
|
|
|
|
mov eax, [filename]
|
|
stdcall load_file, eax
|
|
mov esi, -ERROR_FILE_NOT_FOUND
|
|
test eax, eax
|
|
jz .err_file
|
|
|
|
mov [file_base], eax
|
|
mov [file_size], ebx
|
|
|
|
lea ebx, [hdr_cmdline]
|
|
call test_app_header
|
|
mov esi, -0x1F
|
|
test eax, eax
|
|
jz .err_hdr
|
|
|
|
call lock_application_table
|
|
|
|
call alloc_thread_slot
|
|
mov esi, -0x20 ; too many processes
|
|
test eax, eax
|
|
jz .err_0
|
|
|
|
mov [slot], eax
|
|
shl eax, 8
|
|
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
|
|
stdcall strrchr, [filename], '/' ; now eax points to name without path
|
|
|
|
lea esi, [eax+1]
|
|
test eax, eax
|
|
jnz @F
|
|
mov esi, [filename]
|
|
@@:
|
|
mov ecx, 11 ; 11 chars for name! 8 - is old value!
|
|
mov edi, [slot_base]
|
|
.copy_process_name_loop:
|
|
lodsb
|
|
cmp al, '.'
|
|
jz .copy_process_name_done
|
|
test al, al
|
|
jz .copy_process_name_done
|
|
stosb
|
|
loop .copy_process_name_loop
|
|
|
|
.copy_process_name_done:
|
|
|
|
mov edi, [cmdline]
|
|
xor eax, eax
|
|
test edi, edi
|
|
jz @F
|
|
|
|
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 .err_hdr
|
|
|
|
mov ebx, [sys_proc+LHEAD.prev]
|
|
__list_add eax, ebx, sys_proc
|
|
|
|
mov ebx, [hdr_emem]
|
|
mov [eax+PROC.mem_used], ebx
|
|
|
|
mov ebx, [slot_base]
|
|
mov [ebx+APPDATA.process], eax
|
|
|
|
lea edx, [ebx+APPDATA.list]
|
|
lea ecx, [eax+PROC.thr_list]
|
|
list_add_tail edx, ecx
|
|
|
|
mov esi, sizeof.APP_HDR
|
|
add esi, [cmdline_size]
|
|
|
|
mov edi, [filename]
|
|
mov ecx, 1023
|
|
call _strnlen
|
|
add esi, eax
|
|
mov [filename_size], eax
|
|
|
|
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 esi, [filename]
|
|
mov ecx, [filename_size]
|
|
rep movsb
|
|
mov ecx, [cmdline_size]
|
|
mov esi, [cmdline]
|
|
rep movsb
|
|
|
|
lea eax, [hdr_cmdline]
|
|
stdcall set_app_params , [slot], eax, [flags]
|
|
|
|
mov eax, [process_number] ;set result
|
|
call unlock_application_table
|
|
ret
|
|
|
|
.err_0:
|
|
call unlock_application_table
|
|
|
|
.err_hdr:
|
|
stdcall kernel_free, [file_base]
|
|
.err_file:
|
|
mov eax, esi
|
|
ret
|
|
endp
|
|
|
|
align 4
|
|
test_app_header:
|
|
virtual at eax
|
|
APP_HEADER_00 APP_HEADER_00_
|
|
end virtual
|
|
virtual at eax
|
|
APP_HEADER_01 APP_HEADER_01_
|
|
end virtual
|
|
|
|
cmp dword [eax], 'MENU'
|
|
jne .fail
|
|
cmp word [eax+4], 'ET'
|
|
jne .fail
|
|
|
|
cmp [eax+6], word '00'
|
|
jne .check_01_header
|
|
|
|
mov ecx, [APP_HEADER_00.start]
|
|
mov [ebx+APP_HDR.eip], ecx
|
|
mov edx, [APP_HEADER_00.mem_size]
|
|
mov [ebx+APP_HDR._emem], edx
|
|
shr edx, 1
|
|
sub edx, 0x10
|
|
mov [ebx+APP_HDR.esp], edx
|
|
mov ecx, [APP_HEADER_00.i_param]
|
|
mov [ebx+APP_HDR.cmdline], ecx
|
|
mov [ebx+APP_HDR.path], 0
|
|
mov edx, [APP_HEADER_00.i_end]
|
|
mov [ebx+APP_HDR._edata], edx
|
|
ret
|
|
|
|
.check_01_header:
|
|
|
|
cmp [eax+6], word '01'
|
|
je @f
|
|
cmp [eax+6], word '02'
|
|
jne .fail
|
|
@@:
|
|
mov ecx, [APP_HEADER_01.start]
|
|
mov [ebx+0x08], ecx
|
|
mov edx, [APP_HEADER_01.mem_size]
|
|
|
|
; \begin{diamond}[20.08.2006]
|
|
; sanity check (functions 19,58 load app_i_end bytes and that must
|
|
; fit in allocated memory to prevent kernel faults)
|
|
cmp edx, [APP_HEADER_01.i_end]
|
|
jb .fail
|
|
; \end{diamond}[20.08.2006]
|
|
|
|
mov [ebx+APP_HDR._emem], edx
|
|
mov ecx, [APP_HEADER_01.stack_top]
|
|
mov [ebx+APP_HDR.esp], ecx
|
|
mov edx, [APP_HEADER_01.i_param]
|
|
mov [ebx+APP_HDR.cmdline], edx
|
|
mov ecx, [APP_HEADER_01.i_icon]
|
|
mov [ebx+APP_HDR.path], ecx
|
|
mov edx, [APP_HEADER_01.i_end]
|
|
mov [ebx+APP_HDR._edata], edx
|
|
ret
|
|
.fail:
|
|
xor eax, eax
|
|
ret
|
|
|
|
align 4
|
|
alloc_thread_slot:
|
|
;input:
|
|
; none
|
|
;result:
|
|
; eax=[new_thread_slot]<>0 - ok
|
|
; 0 - failed.
|
|
;This function find least empty slot.
|
|
;It doesn't increase [TASK_COUNT]!
|
|
|
|
|
|
mov edx, thr_slot_map
|
|
pushfd
|
|
cli
|
|
.l1:
|
|
bsf eax, [edx]
|
|
jnz .found
|
|
add edx, 4
|
|
cmp edx, thr_slot_map+32
|
|
jb .l1
|
|
|
|
popfd
|
|
xor eax, eax
|
|
ret
|
|
.found:
|
|
btr [edx], eax
|
|
sub edx, thr_slot_map
|
|
lea eax, [eax+edx*8]
|
|
popfd
|
|
ret
|
|
|
|
align 4
|
|
proc create_process stdcall, app_size:dword
|
|
locals
|
|
process dd ?
|
|
app_tabs dd ?
|
|
endl
|
|
|
|
push ebx
|
|
push esi
|
|
push edi
|
|
|
|
xor eax, eax
|
|
mov [process], eax
|
|
|
|
mov eax, [app_size]
|
|
add eax, 0x3FFFFF
|
|
shr eax, 22
|
|
mov [app_tabs], eax
|
|
|
|
stdcall kernel_alloc, 0x2000
|
|
test eax, eax
|
|
jz .fail
|
|
mov [process], eax
|
|
|
|
lea edi, [eax+PROC.heap_lock]
|
|
mov ecx, (PROC.ht_free-PROC.heap_lock)/4
|
|
|
|
list_init eax
|
|
add eax, PROC.thr_list
|
|
list_init eax
|
|
|
|
xor eax, eax
|
|
cld
|
|
rep stosd
|
|
|
|
mov [edi], dword (PROC.pdt_0 - PROC.htab)/4 - 3
|
|
mov [edi+4], dword 3 ;reserve handles for stdin stdout and stderr
|
|
mov ecx, (PROC.pdt_0 - PROC.htab)/4
|
|
add edi, 8
|
|
inc eax
|
|
@@:
|
|
stosd
|
|
inc eax
|
|
cmp eax, ecx
|
|
jbe @B
|
|
|
|
mov eax, edi
|
|
call get_pg_addr
|
|
mov [edi-4096+PROC.pdt_0_phys], eax
|
|
|
|
mov ecx, (OS_BASE shr 20)/4
|
|
xor eax, eax
|
|
rep stosd
|
|
|
|
mov ecx, (OS_BASE shr 20)/4
|
|
mov esi, sys_proc+PROC.pdt_0+(OS_BASE shr 20)
|
|
rep movsd
|
|
|
|
mov eax, [edi-8192+PROC.pdt_0_phys]
|
|
or eax, PG_SWR
|
|
mov [edi-4096+(page_tabs shr 20)], eax
|
|
|
|
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
|
|
|
|
mov edi, [tmp_task_ptab]
|
|
stdcall map_page, edi, eax, PG_SWR
|
|
mov ecx, 1024
|
|
xor eax, eax
|
|
rep stosd
|
|
|
|
add edx, 4
|
|
dec esi
|
|
jnz .alloc_page_dir
|
|
|
|
stdcall map_page, [tmp_task_ptab], 0, PG_UNMAP
|
|
mov eax, [process]
|
|
|
|
pop edi
|
|
pop esi
|
|
pop ebx
|
|
ret
|
|
.fail:
|
|
mov ecx, [process]
|
|
jcxz @F
|
|
|
|
call destroy_process
|
|
@@:
|
|
xor eax, eax
|
|
pop edi
|
|
pop esi
|
|
pop ebx
|
|
ret
|
|
endp
|
|
|
|
align 4
|
|
proc destroy_page_table stdcall, pg_tab:dword
|
|
|
|
push esi
|
|
|
|
mov esi, [pg_tab]
|
|
mov ecx, 1024
|
|
.free:
|
|
mov eax, [esi]
|
|
test eax, 1
|
|
jz .next
|
|
test eax, 2
|
|
jz .next
|
|
test eax, 1 shl 9
|
|
jnz .next ;skip shared pages
|
|
call free_page
|
|
.next:
|
|
add esi, 4
|
|
dec ecx
|
|
jnz .free
|
|
pop esi
|
|
ret
|
|
endp
|
|
|
|
align 4
|
|
destroy_process: ;fastcall ecx= ptr to process
|
|
|
|
lea eax, [ecx+PROC.thr_list]
|
|
cmp eax, [eax+LHEAD.next]
|
|
jne .exit
|
|
|
|
align 4
|
|
.internal:
|
|
push ecx
|
|
|
|
mov esi, ecx
|
|
list_del esi
|
|
|
|
mov esi, [esi+PROC.dlls_list_ptr]
|
|
call destroy_all_hdlls
|
|
|
|
mov esi, [esp]
|
|
add esi, PROC.pdt_0
|
|
mov edi, (0x80000000 shr 20)/4
|
|
.destroy:
|
|
mov eax, [esi]
|
|
test eax, 1
|
|
jz .next
|
|
and eax, not 0xFFF
|
|
stdcall map_page, [tmp_task_ptab], eax, PG_SWR
|
|
stdcall destroy_page_table, [tmp_task_ptab]
|
|
mov eax, [esi]
|
|
call free_page
|
|
.next:
|
|
add esi, 4
|
|
dec edi
|
|
jnz .destroy
|
|
|
|
call kernel_free ;ecx still in stack
|
|
stdcall map_page, [tmp_task_ptab], 0, PG_UNMAP
|
|
.exit:
|
|
ret
|
|
|
|
align 4
|
|
get_pid:
|
|
mov eax, [TASK_BASE]
|
|
mov eax, [eax+TASKDATA.pid]
|
|
ret
|
|
|
|
pid_to_slot:
|
|
;Input:
|
|
; eax - pid of process
|
|
;Output:
|
|
; eax - slot of process or 0 if process don't exists
|
|
;Search process by PID.
|
|
push ebx
|
|
push ecx
|
|
mov ebx, [TASK_COUNT]
|
|
shl ebx, 5
|
|
mov ecx, 2*32
|
|
|
|
.loop:
|
|
;ecx=offset of current process info entry
|
|
;ebx=maximum permitted offset
|
|
cmp byte [CURRENT_TASK+ecx+0xa], 9
|
|
jz .endloop ;skip empty slots
|
|
cmp [CURRENT_TASK+ecx+0x4], eax;check PID
|
|
jz .pid_found
|
|
.endloop:
|
|
add ecx, 32
|
|
cmp ecx, ebx
|
|
jle .loop
|
|
|
|
pop ecx
|
|
pop ebx
|
|
xor eax, eax
|
|
ret
|
|
|
|
.pid_found:
|
|
shr ecx, 5
|
|
mov eax, ecx ;convert offset to index of slot
|
|
pop ecx
|
|
pop ebx
|
|
ret
|
|
|
|
check_region:
|
|
;input:
|
|
; esi - start of buffer
|
|
; edx - size of buffer
|
|
;result:
|
|
; eax = 1 region lays in app memory
|
|
; eax = 0 region don't lays in app memory
|
|
|
|
mov eax, 1
|
|
ret
|
|
if 0
|
|
mov eax, [CURRENT_TASK]
|
|
; jmp check_process_region
|
|
;-----------------------------------------------------------------------------
|
|
;check_process_region:
|
|
;input:
|
|
; eax - slot
|
|
; esi - start of buffer
|
|
; edx - size of buffer
|
|
;result:
|
|
; eax = 1 region lays in app memory
|
|
; eax = 0 region don't lays in app memory
|
|
|
|
test edx, edx
|
|
jle .ok
|
|
shl eax, 5
|
|
cmp word [CURRENT_TASK+eax+0xa], 0
|
|
jnz .failed
|
|
shl eax, 3
|
|
mov eax, [SLOT_BASE+eax+0xb8]
|
|
test eax, eax
|
|
jz .failed
|
|
|
|
mov eax, 1
|
|
ret
|
|
.ok:
|
|
mov eax, 1
|
|
ret
|
|
.failed:
|
|
xor eax, eax
|
|
ret
|
|
end if
|
|
|
|
align 4
|
|
proc read_process_memory
|
|
;Input:
|
|
; eax - process slot
|
|
; ecx - buffer address
|
|
; edx - buffer size
|
|
; esi - start address in other process
|
|
;Output:
|
|
; eax - number of bytes read.
|
|
locals
|
|
slot dd ?
|
|
buff dd ?
|
|
r_count dd ?
|
|
offset dd ?
|
|
tmp_r_cnt dd ?
|
|
endl
|
|
|
|
mov [slot], eax
|
|
mov [buff], ecx
|
|
and [r_count], 0
|
|
mov [tmp_r_cnt], edx
|
|
mov [offset], esi
|
|
|
|
pushad
|
|
.read_mem:
|
|
mov edx, [offset]
|
|
mov ebx, [tmp_r_cnt]
|
|
|
|
mov ecx, 0x400000
|
|
and edx, 0x3FFFFF
|
|
sub ecx, edx
|
|
cmp ecx, ebx
|
|
jbe @f
|
|
mov ecx, ebx
|
|
@@:
|
|
cmp ecx, 0x8000
|
|
jna @F
|
|
mov ecx, 0x8000
|
|
@@:
|
|
mov ebx, [offset]
|
|
|
|
push ecx
|
|
stdcall map_memEx, [proc_mem_map], \
|
|
[slot], ebx, ecx, PG_READ
|
|
pop ecx
|
|
|
|
mov esi, [offset]
|
|
and esi, 0xfff
|
|
sub eax, esi
|
|
jbe .ret
|
|
cmp ecx, eax
|
|
jbe @f
|
|
mov ecx, eax
|
|
mov [tmp_r_cnt], eax
|
|
@@:
|
|
add esi, [proc_mem_map]
|
|
mov edi, [buff]
|
|
mov edx, ecx
|
|
rep movsb
|
|
add [r_count], edx
|
|
|
|
add [offset], edx
|
|
sub [tmp_r_cnt], edx
|
|
jnz .read_mem
|
|
.ret:
|
|
popad
|
|
mov eax, [r_count]
|
|
ret
|
|
endp
|
|
|
|
align 4
|
|
proc write_process_memory
|
|
;Input:
|
|
; eax - process slot
|
|
; ecx - buffer address
|
|
; edx - buffer size
|
|
; esi - start address in other process
|
|
;Output:
|
|
; eax - number of bytes written
|
|
|
|
locals
|
|
slot dd ?
|
|
buff dd ?
|
|
w_count dd ?
|
|
offset dd ?
|
|
tmp_w_cnt dd ?
|
|
endl
|
|
|
|
mov [slot], eax
|
|
mov [buff], ecx
|
|
and [w_count], 0
|
|
mov [tmp_w_cnt], edx
|
|
mov [offset], esi
|
|
|
|
pushad
|
|
.read_mem:
|
|
mov edx, [offset]
|
|
mov ebx, [tmp_w_cnt]
|
|
|
|
mov ecx, 0x400000
|
|
and edx, 0x3FFFFF
|
|
sub ecx, edx
|
|
cmp ecx, ebx
|
|
jbe @f
|
|
mov ecx, ebx
|
|
@@:
|
|
cmp ecx, 0x8000
|
|
jna @F
|
|
mov ecx, 0x8000
|
|
@@:
|
|
mov ebx, [offset]
|
|
push ecx
|
|
stdcall map_memEx, [proc_mem_map], \
|
|
[slot], ebx, ecx, PG_SWR
|
|
pop ecx
|
|
|
|
mov edi, [offset]
|
|
and edi, 0xfff
|
|
sub eax, edi
|
|
jbe .ret
|
|
cmp ecx, eax
|
|
jbe @f
|
|
mov ecx, eax
|
|
mov [tmp_w_cnt], eax
|
|
@@:
|
|
add edi, [proc_mem_map]
|
|
mov esi, [buff]
|
|
mov edx, ecx
|
|
rep movsb
|
|
|
|
add [w_count], edx
|
|
add [offset], edx
|
|
sub [tmp_w_cnt], edx
|
|
jnz .read_mem
|
|
.ret:
|
|
popad
|
|
mov eax, [w_count]
|
|
ret
|
|
endp
|
|
|
|
;ebx = 1 - kernel thread
|
|
;ecx=thread entry point
|
|
;edx=thread stack pointer
|
|
;creation flags 0x01 - debugged
|
|
; 0x02 - kernel
|
|
|
|
align 4
|
|
proc new_sys_threads
|
|
locals
|
|
slot dd ?
|
|
flags dd ?
|
|
app_cmdline dd ? ;0x00
|
|
app_path dd ? ;0x04
|
|
app_eip dd ? ;0x08
|
|
app_esp dd ? ;0x0C
|
|
app_mem dd ? ;0x10
|
|
endl
|
|
|
|
shl ebx, 1
|
|
mov [flags], ebx
|
|
|
|
xor eax, eax
|
|
mov [app_eip], ecx
|
|
mov [app_cmdline], eax
|
|
mov [app_esp], edx
|
|
mov [app_path], eax
|
|
|
|
call lock_application_table
|
|
|
|
call alloc_thread_slot
|
|
test eax, eax
|
|
jz .failed
|
|
|
|
mov [slot], eax
|
|
|
|
mov esi, [current_slot]
|
|
mov ebx, esi ;ebx=esi - pointer to extended information about current thread
|
|
|
|
mov edi, eax
|
|
shl edi, 8
|
|
add edi, SLOT_BASE
|
|
mov edx, edi ;edx=edi - pointer to extended infomation about new thread
|
|
mov ecx, 256/4
|
|
xor eax, eax
|
|
cld
|
|
rep stosd ;clean extended information about new thread
|
|
mov esi, ebx
|
|
mov edi, edx
|
|
mov ecx, 11
|
|
rep movsb ;copy process name
|
|
|
|
|
|
mov eax, [ebx+APPDATA.tls_base]
|
|
test eax, eax
|
|
jz @F
|
|
|
|
push edx
|
|
stdcall user_alloc, 4096
|
|
pop edx
|
|
test eax, eax
|
|
jz .failed1;eax=0
|
|
@@:
|
|
mov [edx+APPDATA.tls_base], eax
|
|
|
|
mov eax, [ebx+APPDATA.process]
|
|
mov [edx+APPDATA.process], eax
|
|
|
|
lea ebx, [edx+APPDATA.list]
|
|
lea ecx, [eax+PROC.thr_list]
|
|
list_add_tail ebx, ecx ;add thread to process child's list
|
|
|
|
lea eax, [app_cmdline]
|
|
stdcall set_app_params , [slot], eax, [flags]
|
|
|
|
mov eax, [process_number] ;set result
|
|
call unlock_application_table
|
|
ret
|
|
.failed:
|
|
xor eax, eax
|
|
.failed1:
|
|
call unlock_application_table
|
|
dec eax ;-1
|
|
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:
|
|
|
|
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_full_path:
|
|
mov esi, [current_slot]
|
|
mov esi, [esi+APPDATA.cur_dir]
|
|
mov ebx, 1023
|
|
mov al, '/'
|
|
stosb
|
|
|
|
.copy_path:
|
|
dec ebx
|
|
jz .finish_path
|
|
lodsb
|
|
stosb
|
|
test al, al
|
|
jnz .copy_path
|
|
mov byte [edi-1], '/'
|
|
|
|
cmp ecx, ebx
|
|
jbe @F
|
|
mov ecx, ebx
|
|
@@:
|
|
lea esi, [ebp+sizeof.APP_HDR]
|
|
xor eax, eax
|
|
rep movsb
|
|
stosb
|
|
jmp .check_cmdline
|
|
|
|
.finish_path:
|
|
xor eax, eax
|
|
stosb
|
|
jmp .check_cmdline
|
|
|
|
.copy_filename:
|
|
cmp byte [esi], '/'
|
|
jne .copy_full_path
|
|
|
|
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
|
|
|
|
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
|
|
|
|
mov ebx, [current_slot]
|
|
cmp [ebx+APPDATA.debugger_slot], 0
|
|
je .exit
|
|
mov eax, [TASK_BASE]
|
|
mov [eax+TASKDATA.state], 1
|
|
call change_task
|
|
.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, flags:dword
|
|
|
|
locals
|
|
pl0_stack dd ?
|
|
endl
|
|
|
|
stdcall kernel_alloc, RING0_STACK_SIZE+512
|
|
mov [pl0_stack], eax
|
|
|
|
lea edi, [eax+RING0_STACK_SIZE]
|
|
|
|
mov eax, [slot]
|
|
mov ebx, eax
|
|
|
|
shl eax, 8
|
|
mov [eax+SLOT_BASE+APPDATA.fpu_state], edi
|
|
mov [eax+SLOT_BASE+APPDATA.exc_handler], 0
|
|
mov [eax+SLOT_BASE+APPDATA.except_mask], 0
|
|
mov [eax+SLOT_BASE+APPDATA.terminate_protection], 80000001h
|
|
|
|
;set default io permission map
|
|
mov ecx, [SLOT_BASE+256+APPDATA.io_map]
|
|
mov [eax+SLOT_BASE+APPDATA.io_map], ecx
|
|
mov ecx, [SLOT_BASE+256+APPDATA.io_map+4]
|
|
mov [eax+SLOT_BASE+APPDATA.io_map+4], ecx
|
|
|
|
mov esi, fpu_data
|
|
mov ecx, 512/4
|
|
rep movsd
|
|
|
|
cmp ebx, [TASK_COUNT]
|
|
jle .noinc
|
|
inc dword [TASK_COUNT] ;update number of processes
|
|
.noinc:
|
|
shl ebx, 8
|
|
lea edx, [ebx+SLOT_BASE+APP_EV_OFFSET]
|
|
mov [SLOT_BASE+APPDATA.fd_ev+ebx], edx
|
|
mov [SLOT_BASE+APPDATA.bk_ev+ebx], edx
|
|
|
|
add edx, APP_OBJ_OFFSET-APP_EV_OFFSET
|
|
mov [SLOT_BASE+APPDATA.fd_obj+ebx], edx
|
|
mov [SLOT_BASE+APPDATA.bk_obj+ebx], edx
|
|
|
|
mov ecx, [def_cursor]
|
|
mov [SLOT_BASE+APPDATA.cursor+ebx], ecx
|
|
mov eax, [pl0_stack]
|
|
mov [SLOT_BASE+APPDATA.pl0_stack+ebx], eax
|
|
add eax, RING0_STACK_SIZE
|
|
mov [SLOT_BASE+APPDATA.saved_esp0+ebx], eax
|
|
|
|
push ebx
|
|
stdcall kernel_alloc, 0x1000
|
|
pop ebx
|
|
mov esi, [current_slot]
|
|
mov esi, [esi+APPDATA.cur_dir]
|
|
mov ecx, 0x1000/4
|
|
mov edi, eax
|
|
mov [ebx+SLOT_BASE+APPDATA.cur_dir], eax
|
|
rep movsd
|
|
|
|
shr ebx, 3
|
|
mov dword [CURRENT_TASK+ebx+0x10], 0
|
|
|
|
mov ebx, [slot]
|
|
mov eax, ebx
|
|
shl ebx, 5
|
|
lea ecx, [draw_data+ebx];ecx - pointer to draw data
|
|
|
|
; 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
|
|
add ebx, CURRENT_TASK ;ebx - pointer to information about process
|
|
mov [ebx+TASKDATA.wnd_number], al;set window number on screen = process slot
|
|
|
|
mov [ebx+TASKDATA.event_mask], dword 1+2+4;set default event flags (see 40 function)
|
|
|
|
inc dword [process_number]
|
|
mov eax, [process_number]
|
|
mov [ebx+4], eax ;set PID
|
|
|
|
;set draw data to full screen
|
|
xor eax, eax
|
|
mov [ecx+0], dword eax
|
|
mov [ecx+4], dword eax
|
|
mov eax, [screen_workarea.right]
|
|
mov [ecx+8], eax
|
|
mov eax, [screen_workarea.bottom]
|
|
mov [ecx+12], eax
|
|
|
|
mov ebx, [pl0_stack]
|
|
mov esi, [params]
|
|
lea ecx, [ebx+REG_EIP]
|
|
xor eax, eax
|
|
|
|
mov [ebx+REG_RET], dword common_app_entry
|
|
mov [ebx+REG_EDI], eax
|
|
mov [ebx+REG_ESI], eax
|
|
mov [ebx+REG_EBP], eax
|
|
mov [ebx+REG_ESP], ecx;ebx+REG_EIP
|
|
mov [ebx+REG_EBX], eax
|
|
mov [ebx+REG_EDX], eax
|
|
mov [ebx+REG_ECX], eax
|
|
mov [ebx+REG_EAX], eax
|
|
|
|
mov eax, [esi+APP_HDR.eip]
|
|
mov [ebx+REG_EIP], eax
|
|
mov [ebx+REG_CS], dword app_code
|
|
mov ecx, USER_PRIORITY
|
|
|
|
test byte [flags], 2
|
|
jz @F
|
|
|
|
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+APP_HDR.esp]
|
|
mov [ebx+REG_APP_ESP], eax
|
|
mov [ebx+REG_SS], dword app_data
|
|
|
|
lea edx, [ebx+REG_RET]
|
|
mov ebx, [slot]
|
|
shl ebx, 5
|
|
mov [ebx*8+SLOT_BASE+APPDATA.saved_esp], edx
|
|
|
|
xor edx, edx; process state - running
|
|
; set if debuggee
|
|
test byte [flags], 1
|
|
jz .no_debug
|
|
mov eax, [CURRENT_TASK]
|
|
mov [SLOT_BASE+ebx*8+APPDATA.debugger_slot], eax
|
|
.no_debug:
|
|
mov [CURRENT_TASK+ebx+TASKDATA.state], dl
|
|
lea edx, [SLOT_BASE+ebx*8]
|
|
call scheduler_add_thread
|
|
ret
|
|
endp
|
|
|
|
align 4
|
|
get_stack_base:
|
|
mov eax, [current_slot]
|
|
mov eax, [eax+APPDATA.pl0_stack]
|
|
ret
|
|
|
|
|
|
include "debug.inc"
|