mirror of
https://github.com/KolibriOS/kolibrios.git
synced 2024-12-24 07:36:48 +03:00
1110 lines
27 KiB
PHP
1110 lines
27 KiB
PHP
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; Copyright (C) KolibriOS team 2004-2015. All rights reserved. ;;
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;; Distributed under terms of the GNU General Public License ;;
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;; ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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$Revision$
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GREEDY_KERNEL equ 0
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struct APP_HEADER_00_
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banner dq ?
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version dd ? ;+8
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start dd ? ;+12
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i_end dd ? ;+16
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mem_size dd ? ;+20
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i_param dd ? ;+24
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ends
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struct APP_HEADER_01_
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banner dq ?
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version dd ? ;+8
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start dd ? ;+12
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i_end dd ? ;+16
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mem_size dd ? ;+20
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stack_top dd ? ;+24
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i_param dd ? ;+28
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i_icon dd ? ;+32
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ends
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struct APP_HDR
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cmdline rd 1 ;0x00
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path rd 1 ;0x04
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eip rd 1 ;0x08
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esp rd 1 ;0x0C
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_edata rd 1 ;0x10
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_emem rd 1 ;0x14
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img_base rd 1 ;0x18
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img_size rd 1
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filename_size rd 1
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cmdline_size rd 1
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ends
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macro _clear_ op
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{ mov ecx, op/4
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xor eax, eax
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cld
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rep stosd
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}
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align 4
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_strnlen:
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mov edx, ecx
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xor eax, eax
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repne scasb
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jne @F
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inc ecx
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@@:
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mov eax, edx
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sub eax, ecx
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retn
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fs_execute_from_sysdir:
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xor ebx, ebx
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fs_execute_from_sysdir_param:
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xor edx, edx
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align 4
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proc fs_execute
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; ebx - cmdline
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; edx - flags
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; ebp - full filename
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locals
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filename rd 1
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cmdline rd 1
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flags rd 1
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slot rd 1
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slot_base rd 1
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;app header data
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hdr_cmdline rd 1 ;0x00
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hdr_path rd 1 ;0x04
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hdr_eip rd 1 ;0x08
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hdr_esp rd 1 ;0x0C
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hdr_edata rd 1 ;0x10
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hdr_emem rd 1 ;0x14
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file_base rd 1 ;0x18
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file_size rd 1 ;0x1c
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filename_size rd 1 ;0x20
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cmdline_size rd 1 ;0x24
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endl
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mov eax, [ebp]
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mov [flags], edx
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mov [cmdline], ebx
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mov [filename], eax
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mov eax, [filename]
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stdcall load_file, eax
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mov esi, -ERROR_FILE_NOT_FOUND
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test eax, eax
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jz .err_file
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mov [file_base], eax
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mov [file_size], ebx
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lea ebx, [hdr_cmdline]
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call test_app_header
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mov esi, -0x1F
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test eax, eax
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jz .err_hdr
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call lock_application_table
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call alloc_thread_slot
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mov esi, -0x20 ; too many processes
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test eax, eax
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jz .err_0
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mov [slot], eax
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shl eax, 8
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lea edi, [SLOT_BASE+eax]
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mov [slot_base], edi
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;clean extended information about process
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mov ecx, 256/4
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xor eax, eax
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cld
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rep stosd
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; write application name
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stdcall strrchr, [filename], '/' ; now eax points to name without path
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lea esi, [eax+1]
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test eax, eax
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jnz @F
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mov esi, [filename]
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@@:
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mov ecx, 11 ; 11 chars for name! 8 - is old value!
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mov edi, [slot_base]
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.copy_process_name_loop:
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lodsb
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cmp al, '.'
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jz .copy_process_name_done
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test al, al
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jz .copy_process_name_done
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stosb
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loop .copy_process_name_loop
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.copy_process_name_done:
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mov edi, [cmdline]
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xor eax, eax
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test edi, edi
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jz @F
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mov ecx, 65535
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call _strnlen
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cmp eax, 256
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jb @F
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lea ebx, [eax+1]
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add [hdr_emem], ebx
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@@:
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mov [cmdline_size], eax
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stdcall create_process, [hdr_emem]
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mov esi, -30; no memory
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test eax, eax
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jz .err_hdr
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mov ebx, [sys_proc+LHEAD.prev]
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__list_add eax, ebx, sys_proc
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mov ebx, [hdr_emem]
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mov [eax+PROC.mem_used], ebx
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mov ebx, [slot_base]
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mov [ebx+APPDATA.process], eax
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lea edx, [ebx+APPDATA.list]
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lea ecx, [eax+PROC.thr_list]
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list_add_tail edx, ecx
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mov esi, sizeof.APP_HDR
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add esi, [cmdline_size]
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mov edi, [filename]
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mov ecx, 1023
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call _strnlen
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add esi, eax
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mov [filename_size], eax
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stdcall kernel_alloc, esi
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mov [ebx+APPDATA.exec_params], eax
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mov edi, eax
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lea esi, [hdr_cmdline]
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mov ecx, sizeof.APP_HDR/4
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rep movsd
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mov esi, [filename]
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mov ecx, [filename_size]
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rep movsb
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mov ecx, [cmdline_size]
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mov esi, [cmdline]
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rep movsb
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lea eax, [hdr_cmdline]
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stdcall set_app_params , [slot], eax, [flags]
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mov eax, [process_number] ;set result
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call unlock_application_table
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ret
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.err_0:
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call unlock_application_table
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.err_hdr:
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stdcall kernel_free, [file_base]
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.err_file:
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mov eax, esi
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ret
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endp
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align 4
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test_app_header:
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virtual at eax
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APP_HEADER_00 APP_HEADER_00_
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end virtual
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virtual at eax
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APP_HEADER_01 APP_HEADER_01_
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end virtual
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cmp dword [eax], 'MENU'
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jne .fail
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cmp word [eax+4], 'ET'
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jne .fail
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cmp [eax+6], word '00'
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jne .check_01_header
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mov ecx, [APP_HEADER_00.start]
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mov [ebx+APP_HDR.eip], ecx
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mov edx, [APP_HEADER_00.mem_size]
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mov [ebx+APP_HDR._emem], edx
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shr edx, 1
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sub edx, 0x10
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mov [ebx+APP_HDR.esp], edx
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mov ecx, [APP_HEADER_00.i_param]
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mov [ebx+APP_HDR.cmdline], ecx
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mov [ebx+APP_HDR.path], 0
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mov edx, [APP_HEADER_00.i_end]
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mov [ebx+APP_HDR._edata], edx
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ret
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.check_01_header:
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cmp [eax+6], word '01'
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je @f
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cmp [eax+6], word '02'
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jne .fail
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@@:
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mov ecx, [APP_HEADER_01.start]
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mov [ebx+0x08], ecx
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mov edx, [APP_HEADER_01.mem_size]
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; \begin{diamond}[20.08.2006]
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; sanity check (functions 19,58 load app_i_end bytes and that must
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; fit in allocated memory to prevent kernel faults)
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cmp edx, [APP_HEADER_01.i_end]
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jb .fail
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; \end{diamond}[20.08.2006]
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mov [ebx+APP_HDR._emem], edx
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mov ecx, [APP_HEADER_01.stack_top]
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mov [ebx+APP_HDR.esp], ecx
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mov edx, [APP_HEADER_01.i_param]
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mov [ebx+APP_HDR.cmdline], edx
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mov ecx, [APP_HEADER_01.i_icon]
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mov [ebx+APP_HDR.path], ecx
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mov edx, [APP_HEADER_01.i_end]
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mov [ebx+APP_HDR._edata], edx
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ret
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.fail:
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xor eax, eax
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ret
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align 4
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alloc_thread_slot:
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;input:
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; none
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;result:
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; eax=[new_thread_slot]<>0 - ok
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; 0 - failed.
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;This function find least empty slot.
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;It doesn't increase [TASK_COUNT]!
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mov edx, thr_slot_map
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pushfd
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cli
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.l1:
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bsf eax, [edx]
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jnz .found
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add edx, 4
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cmp edx, thr_slot_map+32
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jb .l1
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popfd
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xor eax, eax
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ret
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.found:
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btr [edx], eax
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sub edx, thr_slot_map
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lea eax, [eax+edx*8]
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popfd
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ret
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align 4
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proc create_process stdcall, app_size:dword
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locals
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process dd ?
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app_tabs dd ?
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endl
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push ebx
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push esi
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push edi
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xor eax, eax
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mov [process], eax
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mov eax, [app_size]
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add eax, 0x1FFFFF
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shr eax, 21
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mov [app_tabs], eax
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stdcall kernel_alloc, 0x3000
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test eax, eax
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jz .fail
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mov [process], eax
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lea edi, [eax+PROC.heap_lock]
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mov ecx, (PROC.ht_free-PROC.heap_lock)/4
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list_init eax
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add eax, PROC.thr_list
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list_init eax
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xor eax, eax
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cld
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rep stosd
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mov [edi], dword (PROC.pdt_0 - PROC.htab)/4 - 3
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mov [edi+4], dword 3 ;reserve handles for stdin stdout and stderr
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mov ecx, (PROC.pdt_0 - PROC.htab)/4
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add edi, 8
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inc eax
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@@:
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stosd
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inc eax
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cmp eax, ecx
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jbe @B
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mov eax, edi
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call get_pg_addr
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mov [edi-4096+PROC.pdt_0_phys], eax
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lea eax, [edi+4096]
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call get_pg_addr
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mov [edi-4096+PROC.pdt_1_phys], eax
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mov ecx, 2048
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xor eax, eax
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rep stosd
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lea edx, [edi-8192]
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mov esi, [app_tabs]
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.alloc_page_dir:
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call alloc_page
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test eax, eax
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jz .fail
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or eax, PG_UWR
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mov [edx], eax
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mov [edx+4], dword 0
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mov edi, [tmp_task_ptab]
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stdcall map_page, edi, eax, PG_SWR
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mov ecx, 1024
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xor eax, eax
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rep stosd
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add edx, 8
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dec esi
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jnz .alloc_page_dir
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stdcall map_page, [tmp_task_ptab], 0, PG_UNMAP
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mov eax, [process]
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pop edi
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pop esi
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pop ebx
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ret
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.fail:
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mov ecx, [process]
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jcxz @F
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call destroy_process
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@@:
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xor eax, eax
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pop edi
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pop esi
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pop ebx
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ret
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endp
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align 4
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proc destroy_page_table stdcall, pg_tab:dword
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push esi
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mov esi, [pg_tab]
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mov ecx, 512
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.free:
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mov eax, [esi]
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test eax, 1
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jz .next
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test eax, 2
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jz .next
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test eax, 1 shl 9
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jnz .next ;skip shared pages
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call free_page
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.next:
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add esi, 8
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dec ecx
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jnz .free
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pop esi
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ret
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endp
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align 4
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destroy_process: ;fastcall ecx= ptr to process
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lea eax, [ecx+PROC.thr_list]
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cmp eax, [eax+LHEAD.next]
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jne .exit
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align 4
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.internal:
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push ecx
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mov esi, ecx
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list_del esi
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mov esi, [esi+PROC.dlls_list_ptr]
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call destroy_all_hdlls
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mov esi, [esp]
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add esi, PROC.pdt_0
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mov edi, 1024
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.destroy:
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mov eax, [esi]
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test eax, 1
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jz .next
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and eax, not 0xFFF
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stdcall map_page, [tmp_task_ptab], eax, PG_SWR
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stdcall destroy_page_table, [tmp_task_ptab]
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mov eax, [esi]
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call free_page
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.next:
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add esi, 8
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dec edi
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jnz .destroy
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call kernel_free ;ecx still in stack
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stdcall map_page, [tmp_task_ptab], 0, PG_UNMAP
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.exit:
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ret
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align 4
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get_pid:
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mov eax, [TASK_BASE]
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mov eax, [eax+TASKDATA.pid]
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ret
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pid_to_slot:
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;Input:
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; eax - pid of process
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;Output:
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; eax - slot of process or 0 if process don't exists
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;Search process by PID.
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push ebx
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push ecx
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mov ebx, [TASK_COUNT]
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shl ebx, 5
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mov ecx, 2*32
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.loop:
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;ecx=offset of current process info entry
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;ebx=maximum permitted offset
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cmp byte [CURRENT_TASK+ecx+0xa], 9
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jz .endloop ;skip empty slots
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cmp [CURRENT_TASK+ecx+0x4], eax;check PID
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jz .pid_found
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.endloop:
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add ecx, 32
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cmp ecx, ebx
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jle .loop
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pop ecx
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pop ebx
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xor eax, eax
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ret
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.pid_found:
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shr ecx, 5
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mov eax, ecx ;convert offset to index of slot
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pop ecx
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pop ebx
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ret
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|
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check_region:
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;input:
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; esi - start of buffer
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; edx - size of buffer
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;result:
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; eax = 1 region lays in app memory
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; eax = 0 region don't lays in app memory
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mov eax, 1
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ret
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if 0
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mov eax, [CURRENT_TASK]
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; jmp check_process_region
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;-----------------------------------------------------------------------------
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;check_process_region:
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;input:
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; eax - slot
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; esi - start of buffer
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; edx - size of buffer
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;result:
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; eax = 1 region lays in app memory
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; eax = 0 region don't lays in app memory
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test edx, edx
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jle .ok
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shl eax, 5
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cmp word [CURRENT_TASK+eax+0xa], 0
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jnz .failed
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shl eax, 3
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mov eax, [SLOT_BASE+eax+0xb8]
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test eax, eax
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jz .failed
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mov eax, 1
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ret
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.ok:
|
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mov eax, 1
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ret
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.failed:
|
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xor eax, eax
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ret
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end if
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|
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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.
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|
locals
|
|
slot dd ?
|
|
buff dd ?
|
|
r_count dd ?
|
|
offset dd ?
|
|
tmp_r_cnt dd ?
|
|
endl
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|
|
mov [slot], eax
|
|
mov [buff], ecx
|
|
and [r_count], 0
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mov [tmp_r_cnt], edx
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mov [offset], esi
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|
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pushad
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|
.read_mem:
|
|
mov edx, [offset]
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|
mov ebx, [tmp_r_cnt]
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mov ecx, 0x400000
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|
and edx, 0x3FFFFF
|
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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, 9
|
|
add esi, edi
|
|
|
|
.map_image:
|
|
lodsd
|
|
and eax, -4096
|
|
or eax, PG_UWR
|
|
stosd
|
|
movsd
|
|
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
|
|
xor eax, eax
|
|
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
|
|
.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
|
|
inc edx ; process state - suspended
|
|
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"
|