;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;; ;; Copyright (C) KolibriOS team 2004-2013. All rights reserved. ;; PROGRAMMING: ;; Ivan Poddubny ;; Marat Zakiyanov (Mario79) ;; VaStaNi ;; Trans ;; Mihail Semenyako (mike.dld) ;; Sergey Kuzmin (Wildwest) ;; Andrey Halyavin (halyavin) ;; Mihail Lisovin (Mihasik) ;; Andrey Ignatiev (andrew_programmer) ;; NoName ;; Evgeny Grechnikov (Diamond) ;; Iliya Mihailov (Ghost) ;; Sergey Semyonov (Serge) ;; Johnny_B ;; SPraid (simba) ;; Hidnplayr ;; Alexey Teplov () ;; Artem Jerdev (art_zh) ;; ;; Data in this file was originally part of MenuetOS project which is ;; distributed under the terms of GNU GPL. It is modified and redistributed as ;; part of KolibriOS project under the terms of GNU GPL. ;; ;; Copyright (C) MenuetOS 2000-2004 Ville Mikael Turjanmaa ;; PROGRAMMING: ;; ;; Ville Mikael Turjanmaa, villemt@itu.jyu.fi ;; - main os coding/design ;; Jan-Michael Brummer, BUZZ2@gmx.de ;; Felix Kaiser, info@felix-kaiser.de ;; Paolo Minazzi, paolo.minazzi@inwind.it ;; quickcode@mail.ru ;; Alexey, kgaz@crosswinds.net ;; Juan M. Caravaca, bitrider@wanadoo.es ;; kristol@nic.fi ;; Mike Hibbett, mikeh@oceanfree.net ;; Lasse Kuusijarvi, kuusijar@lut.fi ;; Jarek Pelczar, jarekp3@wp.pl ;; ;; KolibriOS is distributed in the hope that it will be useful, but WITHOUT ANY ;; WARRANTY. No author or distributor accepts responsibility to anyone for the ;; consequences of using it or for whether it serves any particular purpose or ;; works at all, unless he says so in writing. Refer to the GNU General Public ;; License (the "GPL") for full details. ; ;; Everyone is granted permission to copy, modify and redistribute KolibriOS, ;; but only under the conditions described in the GPL. A copy of this license ;; is supposed to have been given to you along with KolibriOS so you can know ;; your rights and responsibilities. It should be in a file named COPYING. ;; Among other things, the copyright notice and this notice must be preserved ;; on all copies. ;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; include 'macros.inc' $Revision$ USE_COM_IRQ equ 1 ; make irq 3 and irq 4 available for PCI devices include "proc32.inc" include "kglobals.inc" include "const.inc" max_processes equ 255 tss_step equ (128+8192) ; tss & i/o - 65535 ports, * 256=557056*4 os_stack equ (os_data_l-gdts) ; GDTs os_code equ (os_code_l-gdts) graph_data equ (3+graph_data_l-gdts) tss0 equ (tss0_l-gdts) app_code equ (3+app_code_l-gdts) app_data equ (3+app_data_l-gdts) app_tls equ (3+tls_data_l-gdts) pci_code_sel equ (pci_code_32-gdts) pci_data_sel equ (pci_data_32-gdts) ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;; ;; Included files: ;; ;; Kernel16.inc ;; - Bootcode.inc Hardware setup ;; ;; Kernel32.inc ;; - Sys32.inc Process management ;; - Shutdown.inc Shutdown and restart ;; - Fat32.inc Read / write hd ;; - Vesa12.inc Vesa 1.2 driver ;; - Vesa20.inc Vesa 2.0 driver ;; - Vga.inc VGA driver ;; - Stack.inc Network interface ;; - Mouse.inc Mouse pointer ;; - Scincode.inc Window skinning ;; - Pci32.inc PCI functions ;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;; ;; ;; 16 BIT ENTRY FROM BOOTSECTOR ;; ;; ;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; use16 org 0x0 jmp start_of_code version db 'Kolibri-A version 0.1.0.0 ',13,10,13,10,0 diff16 "bootcode start: ",0,$ include "boot/bootcode.inc" ; 16 bit system boot code diff16 "biosdisk start: ",0,$ include "detect/biosdisk.inc" diff16 "end of code16 : ",0,$ ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;; ;; ;; SWITCH TO 32 BIT PROTECTED MODE ;; ;; ;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; switch_32: ; CR0 Flags - Protected mode and Paging mov ecx, CR0_PE ; Enabling 32 bit protected mode sidt [cs:old_ints_h] cli ; disable all irqs cld mov al,255 ; mask all irqs out 0xa1,al out 0x21,al l.5: in al, 0x64 ; Enable A20 test al, 2 jnz l.5 mov al, 0xD1 out 0x64, al l.6: in al, 0x64 test al, 2 jnz l.6 mov al, 0xDF out 0x60, al l.7: in al, 0x64 test al, 2 jnz l.7 mov al, 0xFF out 0x64, al lgdt [cs:tmp_gdt] ; Load GDT mov eax, cr0 ; protected mode or eax, ecx and eax, 10011111b *65536*256 + 0xffffff ; caching enabled mov cr0, eax jmp pword os_code:B32 ; jmp to enable 32 bit mode align 8 tmp_gdt: dw 23 dd tmp_gdt+0x10000 dw 0 dw 0xffff dw 0x0000 db 0x00 dw 11011111b *256 +10011010b db 0x00 dw 0xffff dw 0x0000 db 0x00 dw 11011111b *256 +10010010b db 0x00 diff10 "32bit enter sz :",switch_32,$ diff16 "data16 start :",0,$ include "data16.inc" use32 org $+0x10000 align 4 B32: diff16 "32-bit code start ",0,$ mov ax,os_stack ; Selector for os mov ds,ax mov es,ax mov fs,ax mov gs,ax mov ss,ax mov esp,0x4ec00 ; Set stack ;------------------------------------------------------------------------------- call preinit_mem ; (init.inc) call test_cpu ; (init.inc - to be moved to bus/CPU.inc) bts [cpu_caps-OS_BASE], CAPS_TSC ;force use rdtsc call init_BIOS32 ; (init.inc - to be removed later) ; PCIe extended config space access display '** Platform chosen (const.inc): ' if PLATFORM>PLATFORM_RS780 call fusion_pcie_init ; (bus/HT.inc) display 'RS880/Fusion ' else call rs7xx_pcie_init ; (bus/HT.inc) display 'RS780 ' end if display 10,13 ; MEMORY MODEL call init_mem ; (init.inc) ; ENABLE PAGING mov eax, sys_pgdir-OS_BASE mov cr3, eax mov eax,cr0 or eax,CR0_PG+CR0_WP mov cr0,eax lgdt [gdts] jmp pword os_code:high_code diff16 "32-bit init size ",B32,$ align 4 bios32_entry dd ? tmp_page_tabs dd ? __DEBUG__ fix 1 __DEBUG_LEVEL__ fix 1 include 'init.inc' org OS_BASE+$ align 4 high_code: mov ax, os_stack mov bx, app_data mov cx, app_tls mov ss, ax add esp, OS_BASE mov ds, bx mov es, bx mov fs, cx mov gs, bx bt [cpu_caps], CAPS_PGE jnc @F or dword [sys_pgdir+(OS_BASE shr 20)], PG_GLOBAL mov ebx, cr4 or ebx, CR4_PGE mov cr4, ebx @@: xor eax, eax mov dword [sys_pgdir], eax mov dword [sys_pgdir+4], eax mov eax, cr3 mov cr3, eax ; flush TLB ; SAVE REAL MODE VARIABLES xor eax, eax mov [IDEContrRegsBaseAddr], ax ; ----------------------------------------- inc eax ; mov al, [BOOT_VAR+0x901F] ; DMA access mov [allow_dma_access], al mov eax, 32 ; << bpp mov [ScreenBPP],al mov [_display.bpp], eax mov [_display.vrefresh], 60 mov [_display.disable_mouse], __sys_disable_mouse mov eax, 1024 ; << X max mov [_display.width], eax dec eax mov [Screen_Max_X],eax mov [screen_workarea.right],eax mov eax,768 ; << Y max mov [_display.height], eax dec eax mov [Screen_Max_Y],eax mov [screen_workarea.bottom],eax mov eax, 0x7055 ; << screen mode mov [SCR_MODE],eax mov eax, 4096 ; << may be different! mov [BytesPerScanLine],ax mov [_display.pitch], eax mov eax, [_display.width] mul [_display.height] mov [_WinMapSize], eax mov esi, BOOT_VAR+0x9080 movzx ecx, byte [esi-1] mov [NumBiosDisks], ecx mov edi, BiosDisksData rep movsd ; GRAPHICS ADDRESSES and byte [BOOT_VAR+0x901e],0x0 mov eax, [BOOT_VAR+0x9018] mov [LFBAddress],eax mov [PUTPIXEL],dword __sys_putpixel mov [GETPIXEL],dword get_pixel ; -------- Fast System Call init ---------- .SEnP: ; AMD SYSCALL/SYSRET mov ecx, MSR_AMD_EFER rdmsr or eax, 1 ; bit_0 - System Call Extension (SCE) wrmsr ; Bits of EDX : ; Bit 31..16 During the SYSRET instruction, this field is copied into the CS register ; and the contents of this field, plus 8, are copied into the SS register. ; Bit 15..0 During the SYSCALL instruction, this field is copied into the CS register ; and the contents of this field, plus 8, are copied into the SS register. mov edx, 0x1B000B ; RING3 task stack will be used for fast syscalls! mov eax, syscall_entry mov ecx, MSR_AMD_STAR wrmsr .noSYSCALL: ; ----------------------------------------- stdcall alloc_page stdcall map_page, tss-0xF80, eax, PG_SW ; lower 0xF80 bytes might be used for something stdcall alloc_page inc eax mov [SLOT_BASE+256+APPDATA.io_map], eax stdcall map_page, tss+0x80, eax, PG_SW stdcall alloc_page inc eax mov dword [SLOT_BASE+256+APPDATA.io_map+4], eax stdcall map_page, tss+0x1080, eax, PG_SW ; LOAD IDT call build_interrupt_table ;lidt is executed call init_kernel_heap stdcall kernel_alloc, RING0_STACK_SIZE+512 mov [os_stack_seg], eax lea esp, [eax+RING0_STACK_SIZE] mov [tss._ss0], os_stack mov [tss._esp0], esp mov [tss._esp], esp mov [tss._cs],os_code mov [tss._ss],os_stack mov [tss._ds],app_data mov [tss._es],app_data mov [tss._fs],app_data mov [tss._gs],app_data mov [tss._io],128 ;Add IO access table - bit array of permitted ports mov edi, tss._io_map_0 xor eax, eax mov ecx, 2047 rep stosd ; access to 65504 ports granted not eax ; the last 32 ports blocked stosd mov ax,tss0 ltr ax mov [LFBSize], 0x800000 call init_LFB call init_fpu call init_malloc ;- stdcall alloc_kernel_space, 0x51000 mov [default_io_map], eax add eax, 0x2000 mov [ipc_tmp], eax mov ebx, 0x1000 add eax, 0x40000 mov [proc_mem_map], eax add eax, 0x8000 mov [proc_mem_pdir], eax add eax, ebx mov [proc_mem_tab], eax add eax, ebx mov [tmp_task_pdir], eax add eax, ebx mov [tmp_task_ptab], eax add eax, ebx mov [ipc_pdir], eax add eax, ebx mov [ipc_ptab], eax stdcall kernel_alloc, (unpack.LZMA_BASE_SIZE+(unpack.LZMA_LIT_SIZE shl \ (unpack.lc+unpack.lp)))*4 mov [unpack.p], eax ; unpacker.inc call init_events mov eax, srv.fd-SRV_FD_OFFSET mov [srv.fd], eax mov [srv.bk], eax mov edi, irq_tab xor eax, eax mov ecx, 16 rep stosd ;Set base of graphic segment to linear address of LFB mov eax,[LFBAddress] ; set for gs mov [graph_data_l+2],ax shr eax,16 mov [graph_data_l+4],al mov [graph_data_l+7],ah ; or [KERNEL_ALLOC_FLAG], dword PG_NOCACHE ;<<<<<<<<<<<<<<<< stdcall kernel_alloc, [_WinMapSize] mov [_WinMapAddress], eax ; xor [KERNEL_ALLOC_FLAG], dword PG_NOCACHE ;<<<<<<<<<<<<<<<< xor eax,eax inc eax mov [CURRENT_TASK],eax ;dword 1 mov [TASK_COUNT],eax ;dword 1 mov [TASK_BASE],dword TASK_DATA mov [current_slot], SLOT_BASE+256 ; set background mov [BgrDrawMode],eax mov [BgrDataWidth],eax mov [BgrDataHeight],eax mov [mem_BACKGROUND], 4 mov [img_background], static_background_data mov [SLOT_BASE + 256 + APPDATA.dir_table], sys_pgdir - OS_BASE stdcall kernel_alloc, 0x10000/8 mov edi, eax mov [network_free_ports], eax or eax, -1 mov ecx, 0x10000/32 rep stosd ; REDIRECT ALL IRQ'S TO INT'S 0x20-0x2f call rerouteirqs ; Initialize system V86 machine call init_sys_v86 ; TIMER SET TO 1/100 S mov al,0x34 ; set to 100Hz out 0x43,al mov al,0x9b ; lsb 1193180 / 1193 out 0x40,al mov al,0x2e ; msb out 0x40,al ; Enable timer IRQ (IRQ0) and hard drives IRQs (IRQ14, IRQ15) ; they are used: when partitions are scanned, hd_read relies on timer ; Also enable IRQ2, because in some configurations ; IRQs from slave controller are not delivered until IRQ2 on master is enabled mov al, 0xFA out 0x21, al mov al, 0x3F out 0xA1, al ; Enable interrupts in IDE controller mov al, 0 mov dx, 0x3F6 out dx, al mov dl, 0x76 out dx, al ;!!!!!!!!!!!!!!!!!!!!!!!!!! include 'detect/disks.inc' ;!!!!!!!!!!!!!!!!!!!!!!!!!! call Parser_params ; READ RAMDISK IMAGE FROM HD ;!!!!!!!!!!!!!!!!!!!!!!! ;include 'boot/rdload.inc' ;!!!!!!!!!!!!!!!!!!!!!!! ; mov [dma_hdd],1 ; CALCULATE FAT CHAIN FOR RAMDISK call calculatefatchain ; LOAD VMODE DRIVER ;!!!!!!!!!!!!!!!!!!!!!!! include 'vmodeld.inc' ;!!!!!!!!!!!!!!!!!!!!!!! ; LOAD FONTS I and II stdcall read_file, char, FONT_I, 0, 2304 stdcall read_file, char2, FONT_II, 0, 2560 ; mov esi,boot_fonts ; call boot_log ; PRINT AMOUNT OF MEMORY ; mov esi, boot_memdetect ; call boot_log movzx ecx, word [boot_y] or ecx, (10+29*6) shl 16 ; "Determining amount of memory" sub ecx, 10 mov edx, 0xFFFFFF mov ebx, [MEM_AMOUNT] shr ebx, 20 xor edi,edi mov eax, 0x00040000 inc edi call display_number_force ; BUILD SCHEDULER call build_scheduler ; sys32.inc ; mov esi,boot_devices ; call boot_log mov [pci_access_enabled],1 ; SET PRELIMINARY WINDOW STACK AND POSITIONS mov esi,boot_windefs call boot_log call set_window_defaults ; SET BACKGROUND DEFAULTS ; mov esi,boot_bgr ; call boot_log call init_background ; call calculatebackground ; SET UP OS TASK ; mov esi,boot_setostask ; call boot_log xor eax, eax mov dword [SLOT_BASE+APPDATA.fpu_state], fpu_data mov dword [SLOT_BASE+APPDATA.exc_handler], eax mov dword [SLOT_BASE+APPDATA.except_mask], eax ; name for OS/IDLE process mov dword [SLOT_BASE+256+APPDATA.app_name], dword 'OS/I' mov dword [SLOT_BASE+256+APPDATA.app_name+4], dword 'DLE ' mov edi, [os_stack_seg] mov dword [SLOT_BASE+256+APPDATA.pl0_stack], edi add edi, 0x2000-512 mov dword [SLOT_BASE+256+APPDATA.fpu_state], edi mov dword [SLOT_BASE+256+APPDATA.saved_esp0], edi ; just for case ; [SLOT_BASE+256+APPDATA.io_map] was set earlier mov esi, fpu_data mov ecx, 512/4 cld rep movsd mov dword [SLOT_BASE+256+APPDATA.exc_handler], eax mov dword [SLOT_BASE+256+APPDATA.except_mask], eax mov ebx, SLOT_BASE+256+APP_OBJ_OFFSET mov dword [SLOT_BASE+256+APPDATA.fd_obj], ebx mov dword [SLOT_BASE+256+APPDATA.bk_obj], ebx mov dword [SLOT_BASE+256+APPDATA.cur_dir], sysdir_path mov dword [SLOT_BASE+256+APPDATA.tls_base], eax ; task list mov dword [TASK_DATA+TASKDATA.mem_start],eax ; process base address inc eax mov dword [CURRENT_TASK],eax mov dword [TASK_COUNT],eax mov [current_slot], SLOT_BASE+256 mov [TASK_BASE],dword TASK_DATA mov byte[TASK_DATA+TASKDATA.wnd_number],al ; on screen number mov dword [TASK_DATA+TASKDATA.pid], eax ; process id number call init_display mov eax, [def_cursor] mov [SLOT_BASE+APPDATA.cursor],eax mov [SLOT_BASE+APPDATA.cursor+256],eax ; READ TSC / SECOND == Fusion only! cli mov edx, PCIe_CONFIG_SPACE + 0xE0 mov eax, 0x013080F0 ; BIOS timer reg. mov [edx], eax add dl, 4 mov edi, edx mov eax, [edi] ; old microseconds inc eax ; next precise microsecond mov esi, eax @@: mov eax, [edi] cmp eax, esi jne @b rdtsc mov ebp, eax ; clockmark add esi, 20 ; wait 20us @@: mov eax, [edi] cmp eax, esi jne @b rdtsc sub eax, ebp mov ebx, 50000 mul ebx ; clks per second sti mov [CPU_FREQ],eax ; save tsc / sec mov ebx, 1000000 div ebx mov [stall_mcs], eax ; PRINT CPU FREQUENCY mov esi, boot_cpufreq call boot_log mov ebx, eax movzx ecx, word [boot_y] add ecx, (10+17*6) shl 16 - 10 ; 'CPU frequency is ' mov edx, 0xFFFFFF xor edi,edi mov eax, 0x00040000 inc edi call display_number_force ; SET VARIABLES call set_variables ; SET MOUSE stdcall load_driver, szPS2MDriver cli ; STACK AND FDC call stack_init call fdc_init ; LOAD DEFAULT SKIN call load_default_skin ;protect io permission map mov esi, [default_io_map] stdcall map_page,esi,[SLOT_BASE+256+APPDATA.io_map], PG_MAP add esi, 0x1000 stdcall map_page,esi,[SLOT_BASE+256+APPDATA.io_map+4], PG_MAP stdcall map_page,tss._io_map_0,\ [SLOT_BASE+256+APPDATA.io_map], PG_MAP stdcall map_page,tss._io_map_1,\ [SLOT_BASE+256+APPDATA.io_map+4], PG_MAP call init_userDMA ; <<<<<<<<< ============== core/memory.inc ================= ; mov esi, boot_uDMA_ok ; call boot_log ; LOAD FIRST APPLICATION cli cmp byte [BOOT_VAR+0x9030],1 jne no_load_vrr_m mov ebp, vrr_m call fs_execute_from_sysdir ; cmp eax,2 ; if vrr_m app found (PID=2) sub eax,2 jz first_app_found no_load_vrr_m: mov ebp, firstapp call fs_execute_from_sysdir ; cmp eax,2 ; continue if a process has been loaded sub eax,2 jz first_app_found ; mov esi, boot_failed ; call boot_log mov eax, 0xDEADBEEF ; otherwise halt hlt first_app_found: cli ;mov [TASK_COUNT],dword 2 push 1 pop dword [CURRENT_TASK] ; set OS task fisrt ; SET KEYBOARD PARAMETERS mov al, 0xf6 ; reset keyboard, scan enabled call kb_write ; wait until 8042 is ready xor ecx,ecx @@: in al,64h and al,00000010b loopnz @b mov al, 0xF3 ; set repeat rate & delay call kb_write ; call kb_read mov al, 0 ; 30 250 ;00100010b ; 24 500 ;00100100b ; 20 500 call kb_write ; call kb_read ;// mike.dld [ call set_lights ;// mike.dld ] ; START MULTITASKING stdcall attach_int_handler, 1, irq1, 0 cmp [IDEContrRegsBaseAddr], 0 setnz [dma_hdd] mov [timer_ticks_enable],1 ; for cd driver sti call change_task jmp osloop ; Fly :) diff16 "init code end ",0,$ unpacker_inc: include 'unpacker.inc' diff16 "unpacker code ",unpacker_inc,$ include 'fdo.inc' align 4 boot_log: pushad mov ebx,10*65536 mov bx,word [boot_y] add [boot_y],dword 10 mov ecx,0x80ffffff ; ASCIIZ string with white color xor edi,edi mov edx,esi inc edi call dtext popad ret ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ; ; ; MAIN OS LOOP START ; ; ; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; align 32 osloop: call [draw_pointer] call window_check_events call mouse_check_events call checkmisc call stack_handler call checkidle jmp osloop ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ; ; ; MAIN OS LOOP END ; ; ; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; align 4 checkidle: pushad call change_task jmp idle_loop_entry idle_loop: cmp eax,[idlemem] ; eax == [timer_ticks] jne idle_exit rdtsc ;call _rdtsc mov ecx,eax hlt rdtsc ;call _rdtsc sub eax,ecx add [idleuse],eax idle_loop_entry: mov eax,[timer_ticks] ; eax = [timer_ticks] cmp [check_idle_semaphore],0 je idle_loop dec [check_idle_semaphore] idle_exit: mov [idlemem],eax ; eax == [timer_ticks] popad ret uglobal idlemem dd 0x0 idleuse dd 0x0 idleusesec dd 0x0 check_idle_semaphore dd 0x0 endg ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ; ; ; INCLUDED SYSTEM FILES ; ; ; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; include "kernel32.inc" ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ; ; ; KERNEL FUNCTIONS ; ; ; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; reserve_irqs_ports: ; removed ret setirqreadports: ; removed ret iglobal process_number dd 0x1 endg set_variables: mov ecx,0x100 ; flush port 0x60 .fl60: in al,0x60 loop .fl60 push eax mov ax,[BOOT_VAR+0x900c] shr ax,1 shl eax,16 mov ax,[BOOT_VAR+0x900A] shr ax,1 mov [MOUSE_X],eax xor eax,eax mov [BTN_ADDR],dword BUTTON_INFO ; address of button list mov byte [MOUSE_BUFF_COUNT],al ; mouse buffer mov byte [KEY_COUNT],al ; keyboard buffer mov byte [BTN_COUNT],al ; button buffer ; mov [MOUSE_X],dword 100*65536+100 ; mouse x/y ;!! IP 04.02.2005: mov byte [DONT_SWITCH],al ; change task if possible pop eax ret align 4 ;input eax=43,bl-byte of output, ecx - number of port sys_outport: and [esp+32],dword 1 ; for backward compatibility: operation failed ret display_number: ;It is not optimization mov eax, ebx mov ebx, ecx mov ecx, edx mov edx, esi mov esi, edi ; eax = print type, al=0 -> ebx is number ; al=1 -> ebx is pointer ; ah=0 -> display decimal ; ah=1 -> display hexadecimal ; ah=2 -> display binary ; eax bits 16-21 = number of digits to display (0-32) ; eax bits 22-31 = reserved ; ; ebx = number or pointer ; ecx = x shl 16 + y ; edx = color xor edi, edi display_number_force: push eax and eax,0x3fffffff cmp eax,0xffff ; length > 0 ? pop eax jge cont_displ ret cont_displ: push eax and eax,0x3fffffff cmp eax,61*0x10000 ; length <= 60 ? pop eax jb cont_displ2 ret cont_displ2: pushad cmp al,1 ; ecx is a pointer ? jne displnl1 mov ebp,ebx add ebp,4 mov ebp,[ebp+std_application_base_address] mov ebx,[ebx+std_application_base_address] displnl1: sub esp,64 test ah,ah ; DECIMAL jnz no_display_desnum shr eax,16 and eax,0xC03f ; and eax,0x3f push eax and eax,0x3f mov edi,esp add edi,4+64-1 mov ecx,eax mov eax,ebx mov ebx,10 d_desnum: xor edx,edx call division_64_bits div ebx add dl,48 mov [edi],dl dec edi loop d_desnum pop eax call normalize_number call draw_num_text add esp,64 popad ret no_display_desnum: cmp ah,0x01 ; HEXADECIMAL jne no_display_hexnum shr eax,16 and eax,0xC03f ; and eax,0x3f push eax and eax,0x3f mov edi,esp add edi,4+64-1 mov ecx,eax mov eax,ebx mov ebx,16 d_hexnum: xor edx,edx call division_64_bits div ebx hexletters = __fdo_hexdigits add edx,hexletters mov dl,[edx] mov [edi],dl dec edi loop d_hexnum pop eax call normalize_number call draw_num_text add esp,64 popad ret no_display_hexnum: cmp ah,0x02 ; BINARY jne no_display_binnum shr eax,16 and eax,0xC03f ; and eax,0x3f push eax and eax,0x3f mov edi,esp add edi,4+64-1 mov ecx,eax mov eax,ebx mov ebx,2 d_binnum: xor edx,edx call division_64_bits div ebx add dl,48 mov [edi],dl dec edi loop d_binnum pop eax call normalize_number call draw_num_text add esp,64 popad ret no_display_binnum: add esp,64 popad ret normalize_number: test ah,0x80 jz .continue mov ecx,48 and eax,0x3f @@: inc edi cmp [edi],cl jne .continue dec eax cmp eax,1 ja @r mov al,1 .continue: and eax,0x3f ret division_64_bits: test [esp+1+4],byte 0x40 jz .continue push eax mov eax,ebp div ebx mov ebp,eax pop eax .continue: ret draw_num_text: mov esi,eax mov edx,64+4 sub edx,eax add edx,esp mov ebx,[esp+64+32-8+4] ; add window start x & y mov ecx,[TASK_BASE] mov edi,[CURRENT_TASK] shl edi,8 mov eax,[ecx-twdw+WDATA.box.left] add eax,[edi+SLOT_BASE+APPDATA.wnd_clientbox.left] shl eax,16 add eax,[ecx-twdw+WDATA.box.top] add eax,[edi+SLOT_BASE+APPDATA.wnd_clientbox.top] add ebx,eax mov ecx,[esp+64+32-12+4] and ecx, not 0x80000000 ; force counted string mov eax, [esp+64+8] ; background color (if given) mov edi, [esp+64+4] jmp dtext align 4 sys_setup: ; 1=roland mpu midi base , base io address ; 2=keyboard 1, base kaybap 2, shift keymap, 9 country 1eng 2fi 3ger 4rus ; 3=cd base 1, pri.master 2, pri slave 3 sec master, 4 sec slave ; 5=system language, 1eng 2fi 3ger 4rus ; 7=hd base 1, pri.master 2, pri slave 3 sec master, 4 sec slave ; 8=fat32 partition in hd ; 9 ; 10 = sound dma channel ; 11 = enable lba read ; 12 = enable pci access and [esp+32],dword 0 dec ebx ; MIDI jnz nsyse1 cmp ecx,0x100 jb nsyse1 mov esi,65535 cmp esi,ecx jb nsyse1 mov [midi_base],cx ;bx mov word [mididp],cx ;bx inc cx ;bx mov word [midisp],cx ;bx ret iglobal midi_base dw 0 endg nsyse1: dec ebx ; KEYBOARD jnz nsyse2 mov edi,[TASK_BASE] mov eax,[edi+TASKDATA.mem_start] add eax,edx dec ecx jnz kbnobase mov ebx,keymap mov ecx,128 call memmove ret kbnobase: dec ecx jnz kbnoshift mov ebx,keymap_shift mov ecx,128 call memmove ret kbnoshift: dec ecx jnz kbnoalt mov ebx,keymap_alt mov ecx,128 call memmove ret kbnoalt: sub ecx,6 jnz kbnocountry mov word [keyboard],dx ret kbnocountry: mov [esp+32],dword 1 ret nsyse2: dec ebx ; CD jnz nsyse4 test ecx,ecx jz nosesl cmp ecx, 4 ja nosesl mov [cd_base],cl dec ecx jnz noprma mov [cdbase],0x1f0 mov [cdid],0xa0 noprma: dec ecx jnz noprsl mov [cdbase],0x1f0 mov [cdid],0xb0 noprsl: dec ecx jnz nosema mov [cdbase],0x170 mov [cdid],0xa0 nosema: dec ecx jnz nosesl mov [cdbase],0x170 mov [cdid],0xb0 nosesl: ret iglobal cd_base db 0 endg nsyse4: sub ebx,2 ; SYSTEM LANGUAGE jnz nsyse5 mov [syslang],ecx ret nsyse5: sub ebx,2 ; HD BASE jnz nsyse7 test ecx,ecx jz nosethd cmp ecx,4 ja nosethd mov [hd_base],cl cmp ecx,1 jnz noprmahd mov [hdbase],0x1f0 and dword [hdid],0x0 mov dword [hdpos],ecx ; call set_FAT32_variables noprmahd: cmp ecx,2 jnz noprslhd mov [hdbase],0x1f0 mov [hdid],0x10 mov dword [hdpos],ecx ; call set_FAT32_variables noprslhd: cmp ecx,3 jnz nosemahd mov [hdbase],0x170 and dword [hdid],0x0 mov dword [hdpos],ecx ; call set_FAT32_variables nosemahd: cmp ecx,4 jnz noseslhd mov [hdbase],0x170 mov [hdid],0x10 mov dword [hdpos],ecx ; call set_FAT32_variables noseslhd: call reserve_hd1 call reserve_hd_channel call free_hd_channel and dword [hd1_status],0 ; free nosethd: ret iglobal hd_base db 0 endg nsyse7: ; cmp eax,8 ; HD PARTITION dec ebx jnz nsyse8 mov [fat32part],ecx ; call set_FAT32_variables call reserve_hd1 call reserve_hd_channel call free_hd_channel ; pusha call choice_necessity_partition_1 ; popa and dword [hd1_status],0 ; free ret nsyse8: ; cmp eax,11 ; ENABLE LBA READ and ecx,1 sub ebx,3 jnz no_set_lba_read mov [lba_read_enabled],ecx ret no_set_lba_read: ; cmp eax,12 ; ENABLE PCI ACCESS dec ebx jnz no_set_pci_access mov [pci_access_enabled],ecx ret no_set_pci_access: ;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! include 'vmodeint.inc' ;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! sys_setup_err: or [esp+32],dword -1 ret align 4 sys_getsetup: ; 1=roland mpu midi base , base io address ; 2=keyboard 1, base kaybap 2, shift keymap, 9 country 1eng 2fi 3ger 4rus ; 3=cd base 1, pri.master 2, pri slave 3 sec master, 4 sec slave ; 5=system language, 1eng 2fi 3ger 4rus ; 7=hd base 1, pri.master 2, pri slave 3 sec master, 4 sec slave ; 8=fat32 partition in hd ; 9=get hs timer tic ; cmp eax,1 dec ebx jnz ngsyse1 movzx eax,[midi_base] mov [esp+32],eax ret ngsyse1: ; cmp eax,2 dec ebx jnz ngsyse2 mov edi,[TASK_BASE] mov ebx,[edi+TASKDATA.mem_start] add ebx,edx ; cmp ebx,1 dec ecx jnz kbnobaseret mov eax,keymap mov ecx,128 call memmove ret kbnobaseret: ; cmp ebx,2 dec ecx jnz kbnoshiftret mov eax,keymap_shift mov ecx,128 call memmove ret kbnoshiftret: ; cmp ebx,3 dec ecx jne kbnoaltret mov eax,keymap_alt mov ecx,128 call memmove ret kbnoaltret: ; cmp ebx,9 sub ecx,6 jnz ngsyse2 movzx eax,word [keyboard] mov [esp+32],eax ret ngsyse2: ; cmp eax,3 dec ebx jnz ngsyse3 movzx eax,[cd_base] mov [esp+32],eax ret ngsyse3: ; cmp eax,5 sub ebx,2 jnz ngsyse5 mov eax,[syslang] mov [esp+32],eax ret ngsyse5: ; cmp eax,7 sub ebx,2 jnz ngsyse7 movzx eax,[hd_base] mov [esp+32],eax ret ngsyse7: ; cmp eax,8 dec ebx jnz ngsyse8 mov eax,[fat32part] mov [esp+32],eax ret ngsyse8: ; cmp eax,9 dec ebx jnz ngsyse9 mov eax,[timer_ticks] ;[0xfdf0] mov [esp+32],eax ret ngsyse9: ; cmp eax,11 sub ebx,2 jnz ngsyse11 mov eax,[lba_read_enabled] mov [esp+32],eax ret ngsyse11: ; cmp eax,12 dec ebx jnz ngsyse12 mov eax,[pci_access_enabled] mov [esp+32],eax ret ngsyse12: mov [esp+32],dword 1 ret get_timer_ticks: mov eax,[timer_ticks] ret iglobal align 4 mousefn dd msscreen, mswin, msbutton, msset dd app_load_cursor dd app_set_cursor dd app_delete_cursor dd msz endg readmousepos: ; eax=0 screen relative ; eax=1 window relative ; eax=2 buttons pressed ; eax=3 set mouse pos ; reserved ; eax=4 load cursor ; eax=5 set cursor ; eax=6 delete cursor ; reserved ; eax=7 get mouse_z cmp ebx, 7 ja msset jmp [mousefn+ebx*4] msscreen: mov eax,[MOUSE_X] shl eax,16 mov ax,[MOUSE_Y] mov [esp+36-4],eax ret mswin: mov eax,[MOUSE_X] shl eax,16 mov ax,[MOUSE_Y] mov esi,[TASK_BASE] mov bx, word [esi-twdw+WDATA.box.left] shl ebx,16 mov bx, word [esi-twdw+WDATA.box.top] sub eax,ebx mov edi,[CURRENT_TASK] shl edi,8 sub ax,word[edi+SLOT_BASE+APPDATA.wnd_clientbox.top] rol eax,16 sub ax,word[edi+SLOT_BASE+APPDATA.wnd_clientbox.left] rol eax,16 mov [esp+36-4],eax ret msbutton: movzx eax,byte [BTN_DOWN] mov [esp+36-4],eax ret msz: mov edi, [TASK_COUNT] movzx edi, word [WIN_POS + edi*2] cmp edi, [CURRENT_TASK] jne @f mov ax,[MOUSE_SCROLL_H] shl eax,16 mov ax,[MOUSE_SCROLL_V] mov [esp+36-4],eax and [MOUSE_SCROLL_H],word 0 and [MOUSE_SCROLL_V],word 0 ret @@: and [esp+36-4],dword 0 ; ret msset: ret app_load_cursor: cmp ecx, OS_BASE jae msset stdcall load_cursor, ecx, edx mov [esp+36-4], eax ret app_set_cursor: stdcall set_cursor, ecx mov [esp+36-4], eax ret app_delete_cursor: stdcall delete_cursor, ecx mov [esp+36-4], eax ret is_input: push edx mov dx,word [midisp] in al,dx and al,0x80 pop edx ret is_output: push edx mov dx,word [midisp] in al,dx and al,0x40 pop edx ret get_mpu_in: push edx mov dx,word [mididp] in al,dx pop edx ret put_mpu_out: push edx mov dx,word [mididp] out dx,al pop edx ret align 4 sys_midi: cmp [mididp],0 jnz sm0 mov [esp+36],dword 1 ret sm0: and [esp+36],dword 0 dec ebx jnz smn1 ; call setuart su1: call is_output test al,al jnz su1 mov dx,word [midisp] mov al,0xff out dx,al su2: mov dx,word [midisp] mov al,0xff out dx,al call is_input test al,al jnz su2 call get_mpu_in cmp al,0xfe jnz su2 su3: call is_output test al,al jnz su3 mov dx,word [midisp] mov al,0x3f out dx,al ret smn1: dec ebx jnz smn2 sm10: call get_mpu_in call is_output test al,al jnz sm10 mov al,bl call put_mpu_out smn2: ret detect_devices: ;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ;include 'detect/commouse.inc' ;include 'detect/ps2mouse.inc' ;include 'detect/dev_fd.inc' ;include 'detect/dev_hdcd.inc' ;include 'detect/sear_par.inc' ;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ret sys_end: mov ecx, [current_slot] mov eax, [ecx+APPDATA.tls_base] test eax, eax jz @F stdcall user_free, eax @@: mov eax,[TASK_BASE] mov [eax+TASKDATA.state], 3 ; terminate this program waitterm: ; wait here for termination mov ebx,100 call delay_hs jmp waitterm iglobal align 4 sys_system_table: dd exit_for_anyone ; 1 = obsolete dd sysfn_terminate ; 2 = terminate thread dd sysfn_activate ; 3 = activate window dd sysfn_getidletime ; 4 = get idle time dd sysfn_getcpuclock ; 5 = get cpu clock dd sysfn_saveramdisk ; 6 = save ramdisk dd sysfn_getactive ; 7 = get active window dd sysfn_sound_flag ; 8 = get/set sound_flag dd sysfn_shutdown ; 9 = shutdown with parameter dd sysfn_minimize ; 10 = minimize window dd sysfn_getdiskinfo ; 11 = get disk subsystem info dd sysfn_lastkey ; 12 = get last pressed key dd sysfn_getversion ; 13 = get kernel version dd sysfn_waitretrace ; 14 = wait retrace dd sysfn_centermouse ; 15 = center mouse cursor dd sysfn_getfreemem ; 16 = get free memory size dd sysfn_getallmem ; 17 = get total memory size dd sysfn_terminate2 ; 18 = terminate thread using PID ; instead of slot dd sysfn_mouse_acceleration; 19 = set/get mouse acceleration dd sysfn_meminfo ; 20 = get extended memory info dd sysfn_pid_to_slot ; 21 = get slot number for pid dd sysfn_min_rest_window ; 22 = minimize and restore any window sysfn_num = ($ - sys_system_table)/4 endg sys_system: dec ebx cmp ebx, sysfn_num jae @f jmp dword [sys_system_table + ebx*4] @@: ret sysfn_shutdown: ; 18.9 = system shutdown cmp ecx,1 jl exit_for_anyone cmp ecx,4 jg exit_for_anyone mov [BOOT_VAR+0x9030],cl mov eax,[TASK_COUNT] mov [SYS_SHUTDOWN],al mov [shutdown_processes],eax and dword [esp+32], 0 exit_for_anyone: ret uglobal shutdown_processes: dd 0x0 endg sysfn_terminate: ; 18.2 = TERMINATE cmp ecx,2 jb noprocessterminate mov edx,[TASK_COUNT] cmp ecx,edx ja noprocessterminate mov eax,[TASK_COUNT] shl ecx,5 mov edx,[ecx+CURRENT_TASK+TASKDATA.pid] add ecx,CURRENT_TASK+TASKDATA.state cmp byte [ecx], 9 jz noprocessterminate ;call MEM_Heap_Lock ;guarantee that process isn't working with heap mov [ecx],byte 3 ; clear possible i40's ;call MEM_Heap_UnLock cmp edx,[application_table_status] ; clear app table stat jne noatsc and [application_table_status],0 noatsc: noprocessterminate: ret sysfn_terminate2: ;lock application_table_status mutex .table_status: cli cmp [application_table_status],0 je .stf sti call change_task jmp .table_status .stf: call set_application_table_status mov eax,ecx call pid_to_slot test eax,eax jz .not_found mov ecx,eax cli call sysfn_terminate and [application_table_status],0 sti and dword [esp+32],0 ret .not_found: mov [application_table_status],0 or dword [esp+32],-1 ret sysfn_activate: ; 18.3 = ACTIVATE WINDOW cmp ecx,2 jb .nowindowactivate cmp ecx,[TASK_COUNT] ja .nowindowactivate mov [window_minimize], 2 ; restore window if minimized movzx esi, word [WIN_STACK + ecx*2] cmp esi, [TASK_COUNT] je .nowindowactivate ; already active mov edi, ecx shl edi, 5 add edi, window_data movzx esi, word [WIN_STACK + ecx * 2] lea esi, [WIN_POS + esi * 2] call waredraw .nowindowactivate: ret sysfn_getidletime: ; 18.4 = GET IDLETIME mov eax,[idleusesec] mov [esp+32], eax ret sysfn_getcpuclock: ; 18.5 = GET TSC/SEC mov eax,[CPU_FREQ] mov [esp+32], eax ret ; SAVE ramdisk to /hd/1/menuet.img ;!!!!!!!!!!!!!!!!!!!!!!!! include 'blkdev/rdsave.inc' ;!!!!!!!!!!!!!!!!!!!!!!!! align 4 sysfn_getactive: ; 18.7 = get active window mov eax, [TASK_COUNT] movzx eax, word [WIN_POS + eax*2] mov [esp+32],eax ret sysfn_sound_flag: ; 18.8 = get/set sound_flag ; cmp ecx,1 dec ecx jnz nogetsoundflag movzx eax,byte [sound_flag] ; get sound_flag mov [esp+32],eax ret nogetsoundflag: ; cmp ecx,2 dec ecx jnz nosoundflag xor byte [sound_flag], 1 nosoundflag: ret sysfn_minimize: ; 18.10 = minimize window mov [window_minimize],1 ret align 4 sysfn_getdiskinfo: ; 18.11 = get disk info table ; cmp ecx,1 dec ecx jnz full_table small_table: call for_all_tables mov ecx,10 cld rep movsb ret for_all_tables: mov edi,edx mov esi,DRIVE_DATA ret full_table: ; cmp ecx,2 dec ecx jnz exit_for_anyone call for_all_tables mov ecx,16384 cld rep movsd ret sysfn_lastkey: ; 18.12 = return 0 (backward compatibility) and dword [esp+32], 0 ret sysfn_getversion: ; 18.13 = get kernel ID and version mov edi,ecx mov esi,version_inf mov ecx,version_end-version_inf rep movsb ret sysfn_waitretrace: ; 18.14 = sys wait retrace ;wait retrace functions sys_wait_retrace: mov edx,0x3da WaitRetrace_loop: in al,dx test al,1000b jz WaitRetrace_loop and [esp+32],dword 0 ret align 4 sysfn_centermouse: ; 18.15 = mouse centered ; removed here by ; call mouse_centered ;* mouse centered - start code- Mario79 ;mouse_centered: ; push eax mov eax,[Screen_Max_X] shr eax,1 mov [MOUSE_X],ax mov eax,[Screen_Max_Y] shr eax,1 mov [MOUSE_Y],ax ; ret ;* mouse centered - end code- Mario79 xor eax,eax and [esp+32],eax ; pop eax ret align 4 sysfn_mouse_acceleration: ; 18.19 = set/get mouse features test ecx,ecx ; get mouse speed factor jnz .set_mouse_acceleration xor eax,eax mov ax,[mouse_speed_factor] mov [esp+32],eax ret .set_mouse_acceleration: ; cmp ecx,1 ; set mouse speed factor dec ecx jnz .get_mouse_delay mov [mouse_speed_factor],dx ret .get_mouse_delay: ; cmp ecx,2 ; get mouse delay dec ecx jnz .set_mouse_delay mov eax,[mouse_delay] mov [esp+32],eax ret .set_mouse_delay: ; cmp ecx,3 ; set mouse delay dec ecx jnz .set_pointer_position mov [mouse_delay],edx ret .set_pointer_position: ; cmp ecx,4 ; set mouse pointer position dec ecx jnz .set_mouse_button cmp dx, word[Screen_Max_Y] ja .end rol edx,16 cmp dx, word[Screen_Max_X] ja .end mov [MOUSE_X], edx ret .set_mouse_button: ; cmp ecx,5 ; set mouse button features dec ecx jnz .end mov [BTN_DOWN],dl mov [mouse_active],1 .end: ret sysfn_getfreemem: mov eax, [pg_data.pages_free] shl eax, 2 mov [esp+32],eax ret sysfn_getallmem: mov eax,[MEM_AMOUNT] shr eax, 10 mov [esp+32],eax ret ; // Alver, 2007-22-08 // { sysfn_pid_to_slot: mov eax, ecx call pid_to_slot mov [esp+32], eax ret sysfn_min_rest_window: pushad mov eax, edx ; ebx - operating shr ecx, 1 jnc @f call pid_to_slot @@: or eax, eax ; eax - number of slot jz .error cmp eax, 255 ; varify maximal slot number ja .error movzx eax, word [WIN_STACK + eax*2] shr ecx, 1 jc .restore ; .minimize: call minimize_window jmp .exit .restore: call restore_minimized_window .exit: popad xor eax, eax mov [esp+32], eax ret .error: popad xor eax, eax dec eax mov [esp+32], eax ret ; } \\ Alver, 2007-22-08 \\ uglobal ;// mike.dld, 2006-29-01 [ screen_workarea RECT ;// mike.dld, 2006-29-01 ] window_minimize db 0 sound_flag db 0 endg iglobal version_inf: db 0,7,7,0 ; version 0.7.7.0 db 0 ;reserved dd __REV__ version_end: endg sys_cachetodiskette: cmp ebx, 1 jne .no_floppy_a_save mov [flp_number], 1 jmp .save_image_on_floppy .no_floppy_a_save: cmp ebx, 2 jne .no_floppy_b_save mov [flp_number], 2 .save_image_on_floppy: call save_image mov [esp + 32], dword 0 cmp [FDC_Status], 0 je .yes_floppy_save .no_floppy_b_save: mov [esp + 32], dword 1 .yes_floppy_save: ret uglobal ; bgrchanged dd 0x0 align 4 bgrlockpid dd 0 bgrlock db 0 endg ;=============================== SysFn 15 ================================ sys_background: cmp ebx,1 ; BACKGROUND SIZE jnz nosb1 test ecx,ecx ; cmp ecx,0 jz sbgrr test edx,edx ; cmp edx,0 jz sbgrr @@: ;;Maxis use atomic bts for mutexes 4.4.2009 bts dword [bgrlock], 0 jnc @f call change_task jmp @b @@: mov [BgrDataWidth],ecx mov [BgrDataHeight],edx ; mov [bgrchanged],1 pushad ; return memory for old background mov eax, [img_background] cmp eax, static_background_data jz @f stdcall kernel_free, eax @@: ; calculate RAW size xor eax,eax inc eax cmp [BgrDataWidth],eax jae @f mov [BgrDataWidth],eax @@: cmp [BgrDataHeight],eax jae @f mov [BgrDataHeight],eax @@: mov eax,[BgrDataWidth] imul eax,[BgrDataHeight] lea eax,[eax*3] mov [mem_BACKGROUND],eax ; get memory for new background stdcall kernel_alloc, eax test eax, eax jz .memfailed mov [img_background], eax jmp .exit .memfailed: ; revert to static monotone data mov [img_background], static_background_data xor eax, eax inc eax mov [BgrDataWidth], eax mov [BgrDataHeight], eax mov [mem_BACKGROUND], 4 .exit: popad mov [bgrlock], 0 sbgrr: ret nosb1: cmp ebx,2 ; SET PIXEL jnz nosb2 mov eax, [img_background] test ecx, ecx jz @f cmp eax, static_background_data jz .ret @@: mov ebx, [mem_BACKGROUND] add ebx, 4095 and ebx, -4096 sub ebx, 4 cmp ecx, ebx ja .ret mov ebx,[eax+ecx] and ebx,0xFF000000 ;255*256*256*256 and edx,0x00FFFFFF ;255*256*256+255*256+255 add edx,ebx mov [eax+ecx],edx .ret: ret nosb2: cmp ebx,3 ; DRAW BACKGROUND jnz nosb3 draw_background_temp: ; cmp [bgrchanged],1 ;0 ; je nosb31 ;draw_background_temp: ; mov [bgrchanged],1 ;0 mov [background_defined], 1 mov byte[BACKGROUND_CHANGED], 1 call force_redraw_background nosb31: ret nosb3: cmp ebx,4 ; TILED / STRETCHED jnz nosb4 cmp ecx,[BgrDrawMode] je nosb41 mov [BgrDrawMode],ecx ; mov [bgrchanged],1 nosb41: ret nosb4: cmp ebx,5 ; BLOCK MOVE TO BGR jnz nosb5 cmp [img_background], static_background_data jnz @f test edx, edx jnz .fin cmp esi, 4 ja .fin @@: ; bughere mov eax, ecx mov ebx, edx add ebx, [img_background] ;IMG_BACKGROUND mov ecx, esi call memmove .fin: ret nosb5: cmp ebx, 6 jnz nosb6 ;;Maxis use atomic bts for mutex 4.4.2009 @@: bts dword [bgrlock], 0 jnc @f call change_task jmp @b @@: mov eax, [CURRENT_TASK] mov [bgrlockpid], eax cmp [img_background], static_background_data jz .nomem stdcall user_alloc, [mem_BACKGROUND] mov [esp+32], eax test eax, eax jz .nomem mov ebx, eax shr ebx, 12 or dword [page_tabs+(ebx-1)*4], DONT_FREE_BLOCK mov esi, [img_background] shr esi, 12 mov ecx, [mem_BACKGROUND] add ecx, 0xFFF shr ecx, 12 .z: mov eax, [page_tabs+ebx*4] test al, 1 jz @f call free_page @@: mov eax, [page_tabs+esi*4] or al, PG_UW mov [page_tabs+ebx*4], eax mov eax, ebx shl eax, 12 invlpg [eax] inc ebx inc esi loop .z ret .nomem: and [bgrlockpid], 0 mov [bgrlock], 0 nosb6: cmp ebx, 7 jnz nosb7 cmp [bgrlock], 0 jz .err mov eax, [CURRENT_TASK] cmp [bgrlockpid], eax jnz .err mov eax, ecx mov ebx, ecx shr eax, 12 mov ecx, [page_tabs+(eax-1)*4] test cl, USED_BLOCK+DONT_FREE_BLOCK jz .err jnp .err push eax shr ecx, 12 dec ecx @@: and dword [page_tabs+eax*4], 0 mov edx, eax shl edx, 12 push eax invlpg [edx] pop eax inc eax loop @b pop eax and dword [page_tabs+(eax-1)*4], not DONT_FREE_BLOCK stdcall user_free, ebx mov [esp+32], eax and [bgrlockpid], 0 mov [bgrlock], 0 ret .err: and dword [esp+32], 0 ret nosb7: ret ;=============================== SysFn 39 ================================ align 4 sys_getbackground: dec ebx jnz nogb1 mov eax,[BgrDataWidth] shl eax,16 mov ax,[BgrDataHeight] mov [esp+32],eax ret nogb1: ; cmp eax,2 ; PIXEL dec ebx jnz nogb2 mov eax, [img_background] test ecx, ecx jz @f cmp eax, static_background_data jz .ret @@: mov ebx, [mem_BACKGROUND] add ebx, 4095 and ebx, -4096 sub ebx, 4 cmp ecx, ebx ja .ret mov eax,[ecx+eax] and eax, 0xFFFFFF mov [esp+32],eax .ret: ret nogb2: ; cmp eax,4 ; TILED / STRETCHED dec ebx dec ebx jnz nogb4 mov eax,[BgrDrawMode] nogb4: mov [esp+32],eax ret ;=========================================== force_redraw_background: and [draw_data+32 + RECT.left], 0 and [draw_data+32 + RECT.top], 0 push eax ebx mov eax,[Screen_Max_X] mov ebx,[Screen_Max_Y] mov [draw_data+32 + RECT.right],eax mov [draw_data+32 + RECT.bottom],ebx pop ebx eax inc byte[REDRAW_BACKGROUND] ret ;=========================================== align 4 sys_getkey: mov [esp + 32],dword 1 ; test main buffer mov ebx, [CURRENT_TASK] ; TOP OF WINDOW STACK movzx ecx, word [WIN_STACK + ebx * 2] mov edx, [TASK_COUNT] cmp ecx, edx jne .finish cmp [KEY_COUNT], byte 0 je .finish movzx eax, byte [KEY_BUFF] shl eax, 8 push eax dec byte [KEY_COUNT] and byte [KEY_COUNT], 127 movzx ecx, byte [KEY_COUNT] add ecx, 2 mov eax, KEY_BUFF + 1 mov ebx, KEY_BUFF call memmove pop eax .ret_eax: mov [esp + 32], eax ret .finish: ; test hotkeys buffer mov ecx, hotkey_buffer @@: cmp [ecx], ebx jz .found add ecx, 8 cmp ecx, hotkey_buffer + 120 * 8 jb @b ret .found: mov ax, [ecx + 6] shl eax, 16 mov ah, [ecx + 4] mov al, 2 and dword [ecx + 4], 0 and dword [ecx], 0 jmp .ret_eax align 4 sys_getbutton: mov ebx, [CURRENT_TASK] ; TOP OF WINDOW STACK mov [esp + 32], dword 1 movzx ecx, word [WIN_STACK + ebx * 2] mov edx, [TASK_COUNT] ; less than 256 processes cmp ecx, edx jne .exit movzx eax, byte [BTN_COUNT] test eax, eax jz .exit mov eax, [BTN_BUFF] and al, 0xFE ; delete left button bit mov [BTN_COUNT], byte 0 mov [esp + 32], eax .exit: ret align 4 sys_cpuusage: ; RETURN: ; ; +00 dword process cpu usage ; +04 word position in windowing stack ; +06 word windowing stack value at current position (cpu nro) ; +10 12 bytes name ; +22 dword start in mem ; +26 dword used mem ; +30 dword PID , process idenfification number ; cmp ecx,-1 ; who am I ? jne .no_who_am_i mov ecx,[CURRENT_TASK] .no_who_am_i: cmp ecx, max_processes ja .nofillbuf ; +4: word: position of the window of thread in the window stack mov ax, [WIN_STACK + ecx * 2] mov [ebx+4], ax ; +6: word: number of the thread slot, which window has in the window stack ; position ecx (has no relation to the specific thread) mov ax, [WIN_POS + ecx * 2] mov [ebx+6], ax shl ecx, 5 ; +0: dword: memory usage mov eax, [ecx+CURRENT_TASK+TASKDATA.cpu_usage] mov [ebx], eax ; +10: 11 bytes: name of the process push ecx lea eax, [ecx*8+SLOT_BASE+APPDATA.app_name] add ebx, 10 mov ecx, 11 call memmove pop ecx ; +22: address of the process in memory ; +26: size of used memory - 1 push edi lea edi, [ebx+12] xor eax, eax mov edx, 0x100000*16 cmp ecx, 1 shl 5 je .os_mem mov edx, [SLOT_BASE+ecx*8+APPDATA.mem_size] mov eax, std_application_base_address .os_mem: stosd lea eax, [edx-1] stosd ; +30: PID/TID mov eax, [ecx+CURRENT_TASK+TASKDATA.pid] stosd ; window position and size push esi lea esi, [ecx + window_data + WDATA.box] movsd movsd movsd movsd ; Process state (+50) mov eax, dword [ecx+CURRENT_TASK+TASKDATA.state] stosd ; Window client area box lea esi, [ecx*8 + SLOT_BASE + APPDATA.wnd_clientbox] movsd movsd movsd movsd ; Window state mov al, [ecx+window_data+WDATA.fl_wstate] stosb ; Event mask (+71) mov EAX, dword [ECX+CURRENT_TASK+TASKDATA.event_mask] stosd pop esi pop edi .nofillbuf: ; return number of processes mov eax,[TASK_COUNT] mov [esp+32],eax ret align 4 sys_clock: cli ; Mikhail Lisovin xx Jan 2005 @@: mov al, 10 out 0x70, al in al, 0x71 test al, al jns @f mov esi, 1 call delay_ms jmp @b @@: ; end Lisovin's fix xor al,al ; seconds out 0x70,al in al,0x71 movzx ecx,al mov al,02 ; minutes shl ecx,16 out 0x70,al in al,0x71 movzx edx,al mov al,04 ; hours shl edx,8 out 0x70,al in al,0x71 add ecx,edx movzx edx,al add ecx,edx sti mov [esp + 32], ecx ret align 4 sys_date: cli @@: mov al, 10 out 0x70, al in al, 0x71 test al, al jns @f mov esi, 1 call delay_ms jmp @b @@: mov ch,0 mov al,7 ; date out 0x70,al in al,0x71 mov cl,al mov al,8 ; month shl ecx,16 out 0x70,al in al,0x71 mov ch,al mov al,9 ; year out 0x70,al in al,0x71 mov cl,al sti mov [esp+32], ecx ret ; redraw status sys_redrawstat: cmp ebx, 1 jne no_widgets_away ; buttons away mov ecx,[CURRENT_TASK] sys_newba2: mov edi,[BTN_ADDR] cmp [edi], dword 0 ; empty button list ? je end_of_buttons_away movzx ebx, word [edi] inc ebx mov eax,edi sys_newba: dec ebx jz end_of_buttons_away add eax, 0x10 cmp cx, [eax] jnz sys_newba push eax ebx ecx mov ecx,ebx inc ecx shl ecx, 4 mov ebx, eax add eax, 0x10 call memmove dec dword [edi] pop ecx ebx eax jmp sys_newba2 end_of_buttons_away: ret no_widgets_away: cmp ebx, 2 jnz srl1 mov edx, [TASK_BASE] ; return whole screen draw area for this app add edx, draw_data - CURRENT_TASK mov [edx + RECT.left], 0 mov [edx + RECT.top], 0 mov eax, [Screen_Max_X] mov [edx + RECT.right], eax mov eax, [Screen_Max_Y] mov [edx + RECT.bottom], eax srl1: ret ;ok - 100% work ;nt - not tested ;--------------------------------------------------------------------------------------------- ;eax ;0 - task switch counter. Ret switch counter in eax. Block. ok. ;1 - change task. Ret nothing. Block. ok. ;2 - performance control ; ebx ; 0 - enable or disable (inversion) PCE flag on CR4 for rdmpc in user mode. ; returned new cr4 in eax. Ret cr4 in eax. Block. ok. ; 1 - is cache enabled. Ret cr0 in eax if enabled else zero in eax. Block. ok. ; 2 - enable cache. Ret 1 in eax. Ret nothing. Block. ok. ; 3 - disable cache. Ret 0 in eax. Ret nothing. Block. ok. ;eax ;3 - rdmsr. Counter in edx. (edx:eax) [esi:edi, edx] => [edx:esi, ecx]. Ret in ebx:eax. Block. ok. ;4 - wrmsr. Counter in edx. (edx:eax) [esi:edi, edx] => [edx:esi, ecx]. Ret in ebx:eax. Block. ok. ;--------------------------------------------------------------------------------------------- iglobal align 4 sheduler: dd sys_sheduler.00 dd change_task dd sys_sheduler.02 dd sys_sheduler.03 dd sys_sheduler.04 endg sys_sheduler: ;rewritten by 29.12.2009 jmp dword [sheduler+ebx*4] ;.shed_counter: .00: mov eax,[context_counter] mov [esp+32],eax ret .02: ;.perf_control: inc ebx ;before ebx=2, ebx=3 cmp ebx,ecx ;if ecx=3, ebx=3 jz cache_disable dec ebx ;ebx=2 cmp ebx,ecx ; jz cache_enable ;if ecx=2 and ebx=2 dec ebx ;ebx=1 cmp ebx,ecx jz is_cache_enabled ;if ecx=1 and ebx=1 dec ebx test ebx,ecx ;ebx=0 and ecx=0 jz modify_pce ;if ecx=0 ret .03: ;.rdmsr_instr: ;now counter in ecx ;(edx:eax) esi:edi => edx:esi mov eax,esi mov ecx,edx rdmsr mov [esp+32],eax mov [esp+20],edx ;ret in ebx? ret .04: ;.wrmsr_instr: ;now counter in ecx ;(edx:eax) esi:edi => edx:esi ; Fast Call MSR can't be destroy ; Но MSR_AMD_EFER можно изменять, т.к. в этом регистре лиш ; включаются/выключаются расширенные возможности cmp edx,MSR_SYSENTER_CS je @f cmp edx,MSR_SYSENTER_ESP je @f cmp edx,MSR_SYSENTER_EIP je @f cmp edx,MSR_AMD_STAR je @f mov eax,esi mov ecx,edx wrmsr ; mov [esp + 32], eax ; mov [esp + 20], edx ;ret in ebx? @@: ret cache_disable: mov eax,cr0 or eax,01100000000000000000000000000000b mov cr0,eax wbinvd ;set MESI ret cache_enable: mov eax,cr0 and eax,10011111111111111111111111111111b mov cr0,eax ret is_cache_enabled: mov eax,cr0 mov ebx,eax and eax,01100000000000000000000000000000b jz cache_disabled mov [esp+32],ebx cache_disabled: mov dword [esp+32],eax ;0 ret modify_pce: mov eax,cr4 ; mov ebx,0 ; or bx,100000000b ;pce ; xor eax,ebx ;invert pce bts eax,8 ;pce=cr4[8] mov cr4,eax mov [esp+32],eax ret ;--------------------------------------------------------------------------------------------- iglobal cpustring db 'CPU',0 endg uglobal background_defined db 0 ; diamond, 11.04.2006 endg align 4 ; check misc checkmisc: cmp [ctrl_alt_del], 1 jne nocpustart mov ebp, cpustring call fs_execute_from_sysdir mov [ctrl_alt_del], 0 nocpustart: cmp [mouse_active], 1 jne mouse_not_active mov [mouse_active], 0 xor edi, edi mov ecx, [TASK_COUNT] set_mouse_event: add edi, 256 or [edi+SLOT_BASE+APPDATA.event_mask], dword 100000b loop set_mouse_event mouse_not_active: cmp byte[BACKGROUND_CHANGED], 0 jz no_set_bgr_event xor edi, edi mov ecx, [TASK_COUNT] set_bgr_event: add edi, 256 or [edi+SLOT_BASE+APPDATA.event_mask], 16 loop set_bgr_event mov byte[BACKGROUND_CHANGED], 0 no_set_bgr_event: cmp byte[REDRAW_BACKGROUND], 0 ; background update ? jz nobackgr cmp [background_defined], 0 jz nobackgr @@: call drawbackground xor eax, eax xchg al, [REDRAW_BACKGROUND] test al, al ; got new update request? jnz @b mov [draw_data+32 + RECT.left], eax mov [draw_data+32 + RECT.top], eax mov [draw_data+32 + RECT.right], eax mov [draw_data+32 + RECT.bottom], eax mov [MOUSE_BACKGROUND],byte 0 nobackgr: ; system shutdown request cmp [SYS_SHUTDOWN],byte 0 je noshutdown mov edx,[shutdown_processes] cmp [SYS_SHUTDOWN],dl jne no_mark_system_shutdown lea ecx,[edx-1] mov edx,OS_BASE+0x3040 jecxz @f markz: mov [edx+TASKDATA.state],byte 3 add edx,0x20 loop markz @@: no_mark_system_shutdown: call [_display.disable_mouse] dec byte [SYS_SHUTDOWN] je system_shutdown noshutdown: mov eax,[TASK_COUNT] ; termination mov ebx,TASK_DATA+TASKDATA.state mov esi,1 newct: mov cl,[ebx] cmp cl,byte 3 jz terminate cmp cl,byte 4 jz terminate add ebx,0x20 inc esi dec eax jnz newct ret ; redraw screen ; eax , if process window_data base is eax, do not set flag/limits redrawscreen: pushad push eax xor ecx,ecx ; redraw flags for apps newdw2: inc ecx push ecx mov eax,ecx shl eax,5 add eax,window_data cmp eax,[esp+4] je not_this_task ; check if window in redraw area mov edi,eax cmp ecx,1 ; limit for background jz bgli mov eax, [edi + WDATA.box.left] mov ebx, [edi + WDATA.box.top] mov ecx, [edi + WDATA.box.width] mov edx, [edi + WDATA.box.height] add ecx,eax add edx,ebx mov ecx,[draw_limits.bottom] ; ecx = area y end ebx = window y start cmp ecx,ebx jb ricino mov ecx,[draw_limits.right] ; ecx = area x end eax = window x start cmp ecx,eax jb ricino mov eax, [edi + WDATA.box.left] mov ebx, [edi + WDATA.box.top] mov ecx, [edi + WDATA.box.width] mov edx, [edi + WDATA.box.height] add ecx, eax add edx, ebx mov eax,[draw_limits.top] ; eax = area y start edx = window y end cmp edx,eax jb ricino mov eax,[draw_limits.left] ; eax = area x start ecx = window x end cmp ecx,eax jb ricino bgli: cmp dword[esp], 1 jnz .az cmp byte[REDRAW_BACKGROUND], 0 jz .az mov dl, 0 lea eax,[edi+draw_data-window_data] mov ebx,[draw_limits.left] cmp ebx,[eax+RECT.left] jae @f mov [eax+RECT.left],ebx mov dl, 1 @@: mov ebx,[draw_limits.top] cmp ebx,[eax+RECT.top] jae @f mov [eax+RECT.top],ebx mov dl, 1 @@: mov ebx,[draw_limits.right] cmp ebx,[eax+RECT.right] jbe @f mov [eax+RECT.right],ebx mov dl, 1 @@: mov ebx,[draw_limits.bottom] cmp ebx,[eax+RECT.bottom] jbe @f mov [eax+RECT.bottom],ebx mov dl, 1 @@: add byte[REDRAW_BACKGROUND], dl jmp newdw8 .az: mov eax,edi add eax,draw_data-window_data mov ebx,[draw_limits.left] ; set limits mov [eax + RECT.left], ebx mov ebx,[draw_limits.top] mov [eax + RECT.top], ebx mov ebx,[draw_limits.right] mov [eax + RECT.right], ebx mov ebx,[draw_limits.bottom] mov [eax + RECT.bottom], ebx sub eax,draw_data-window_data cmp dword [esp],1 jne nobgrd inc byte[REDRAW_BACKGROUND] newdw8: nobgrd: mov [eax + WDATA.fl_redraw],byte 1 ; mark as redraw ricino: not_this_task: pop ecx cmp ecx,[TASK_COUNT] jle newdw2 pop eax popad ret calculatebackground: ; background mov edi, [_WinMapAddress] ; set os to use all pixels mov eax, 0x01010101 mov ecx, [_WinMapSize] shr ecx, 2 rep stosd mov byte[REDRAW_BACKGROUND], 0 ; do not draw background! mov byte[BACKGROUND_CHANGED], 0 ret uglobal imax dd 0x0 endg delay_ms: ; delay in 1/1000 sec push eax push ecx mov ecx,esi ; imul ecx, 33941 shr ecx, 9 ; in al,0x61 and al,0x10 mov ah,al cld cnt1: in al,0x61 and al,0x10 cmp al,ah jz cnt1 mov ah,al loop cnt1 pop ecx pop eax ret set_app_param: mov edi, [TASK_BASE] mov eax, [edi + TASKDATA.event_mask] mov [edi + TASKDATA.event_mask], ebx mov [esp+32], eax ret delay_hs: ; delay in 1/100 secs ; ebx = delay time push ecx push edx mov edx,[timer_ticks] newtic: mov ecx,[timer_ticks] sub ecx,edx cmp ecx,ebx jae zerodelay call change_task jmp newtic zerodelay: pop edx pop ecx ret align 16 ;very often call this subrutine memmove: ; memory move in bytes ; eax = from ; ebx = to ; ecx = no of bytes test ecx, ecx jle .ret push esi edi ecx mov edi, ebx mov esi, eax test ecx, not 11b jz @f push ecx shr ecx, 2 rep movsd pop ecx and ecx, 11b jz .finish @@: rep movsb .finish: pop ecx edi esi .ret: ret align 4 sys_programirq: ; removed mov dword [esp+32], 1 ; operation failed ret align 4 get_irq_data: ; removed mov dword [esp+32], -1 ret set_io_access_rights: ;removed ret r_f_port_area: ; removed; always returns 0 xor eax, eax ret reserve_free_irq: xor esi, esi inc esi cmp ecx, 16 jae ril1 push ecx lea ecx, [irq_owner + 4 * ecx] mov edx, [ecx] mov eax, [TASK_BASE] mov edi, [eax + TASKDATA.pid] pop eax dec ebx jnz reserve_irq cmp edx, edi jne ril1 dec esi mov [ecx], esi jmp ril1 reserve_irq: cmp dword [ecx], 0 jne ril1 mov ebx, [f_irqs + 4 * eax] stdcall attach_int_handler, eax, ebx, dword 0 mov [ecx], edi dec esi ril1: mov [esp+32], esi ; return in eax ret iglobal f_irqs: dd 0x0 dd 0x0 dd p_irq2 dd p_irq3 dd p_irq4 dd p_irq5 dd p_irq6 dd p_irq7 dd p_irq8 dd p_irq9 dd p_irq10 dd p_irq11 dd 0x0 dd 0x0 dd p_irq14 dd p_irq15 endg drawbackground: ; inc [mouse_pause] ; call draw_background ; graph32.inc ; dec [mouse_pause] ; call [draw_pointer] ; ret inc [mouse_pause] cmp [BgrDrawMode],dword 1 jne .bgrstr call vesa20_drawbackground_tiled jmp @f .bgrstr: call vesa20_drawbackground_stretch @@: dec [mouse_pause] call [draw_pointer] ret ; ==================================================================== if 0 ; the new GFX sys align 4 syscall_putimage: ; PutImage = SysFn07 sys_putimage: test ecx,0x80008000 ; ecx = { SizeX | SizeY } jnz .exit ; edx = { OrigX | OrigY } test ecx,0x0000FFFF ; ebx points to the 24bpp-image jz .exit test ecx,0xFFFF0000 jnz @f .exit: ret @@: push edi mov edi,[current_slot] add dx,word[edi+APPDATA.wnd_clientbox.top] rol edx,16 add dx,word[edi+APPDATA.wnd_clientbox.left] pop edi rol edx,16 .forced: ; called from gui/skincode.inc [215] push esi mov esi, ecx shr esi, 16 ; SizeX lea esi, [esi*2+esi] ; 3 bytes per pixel mov [img_buf_line_size], esi mov [img_draw_core_fn], draw_core_24bpp mov [img_draw_edge_fn], draw_edge_24bpp mov [img_bytes_per_pix], 3 pop esi sys_putimage_bpp: ; only called from sys_putimage_palette inc [mouse_pause] call _putimage dec [mouse_pause] call [draw_pointer] ret align 4 sys_putimage_palette: ; sysFn 65 ; ebx = pointer to image ; ecx = [xsize]*65536 + [ysize] ; edx = [xstart]*65536 + [ystart] ; esi = number of bits per pixel, must be 1, 8, 24 or 32 ; edi = pointer to palette ; ebp = line offset mov eax, [CURRENT_TASK] shl eax, 8 add dx, word [eax+SLOT_BASE+APPDATA.wnd_clientbox.top] rol edx, 16 add dx, word [eax+SLOT_BASE+APPDATA.wnd_clientbox.left] rol edx, 16 .forced: push eax push esi mov [img_palette], edi mov eax, esi cmp eax, 32 ;>32bpp (stupid call) ja .exit shr al, 3 ; 0=1bpp or solid color mov [img_bytes_per_pix], eax mov esi, [eax*4 + img_core_proc_0] mov [img_draw_core_fn], esi mov esi, [eax*4 + img_edge_proc_0] mov [img_draw_edge_fn], esi mov esi, ecx shr esi, 16 ; esi = SizeX imul esi, eax or al, al jnz .done mov eax, [esp] ; bits per pixel or al, al jz .done .1bpp: add esi, 7 shr esi, 3 ; 8 pixels per byte mov [img_draw_edge_fn], draw_edge_1bpp mov [img_draw_core_fn], draw_core_1bpp .done: add esi, ebp ; + line offset mov [img_buf_line_size], esi pop esi pop eax jmp sys_putimage_bpp .exit: ret align 4 img_core_proc_0 dd draw_core_0bpp img_core_proc_1 dd draw_core_8bpp img_core_proc_2 dd draw_core_16bpp img_core_proc_3 dd draw_core_24bpp img_core_proc_4 dd draw_core_32bpp img_edge_proc_0 dd draw_edge_0bpp img_edge_proc_1 dd draw_edge_8bpp img_edge_proc_2 dd draw_edge_16bpp img_edge_proc_3 dd draw_edge_24bpp img_edge_proc_4 dd draw_edge_32bpp end if ; <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< ; the old GFX sys align 4 syscall_putimage: ; PutImage sys_putimage: test ecx,0x80008000 jnz .exit test ecx,0x0000FFFF jz .exit test ecx,0xFFFF0000 jnz @f .exit: ret @@: mov edi,[current_slot] add dx,word[edi+APPDATA.wnd_clientbox.top] rol edx,16 add dx,word[edi+APPDATA.wnd_clientbox.left] rol edx,16 .forced: push ebp esi 0 mov ebp, putimage_get24bpp mov esi, putimage_init24bpp sys_putimage_bpp: ; cmp [SCR_MODE], word 0x12 ; jz @f ;.doit ; mov eax, vesa12_putimage ; cmp [SCR_MODE], word 0100000000000000b ; jae @f ; cmp [SCR_MODE], word 0x13 ; jnz .doit ;@@: mov eax, vesa20_putimage .doit: inc [mouse_pause] call eax dec [mouse_pause] pop ebp esi ebp jmp [draw_pointer] align 4 sys_putimage_palette: ; ebx = pointer to image ; ecx = [xsize]*65536 + [ysize] ; edx = [xstart]*65536 + [ystart] ; esi = number of bits per pixel, must be 8, 24 or 32 ; edi = pointer to palette ; ebp = row delta mov eax, [CURRENT_TASK] shl eax, 8 add dx, word [eax+SLOT_BASE+APPDATA.wnd_clientbox.top] rol edx, 16 add dx, word [eax+SLOT_BASE+APPDATA.wnd_clientbox.left] rol edx, 16 .forced: cmp esi, 1 jnz @f push edi mov eax, [edi+4] sub eax, [edi] push eax push dword [edi] push 0ffffff80h mov edi, esp call put_mono_image add esp, 12 pop edi ret @@: cmp esi, 2 jnz @f push edi push 0ffffff80h mov edi, esp call put_2bit_image pop eax pop edi ret @@: cmp esi, 4 jnz @f push edi push 0ffffff80h mov edi, esp call put_4bit_image pop eax pop edi ret @@: push ebp esi ebp cmp esi, 8 jnz @f mov ebp, putimage_get8bpp mov esi, putimage_init8bpp jmp sys_putimage_bpp @@: cmp esi, 15 jnz @f mov ebp, putimage_get15bpp mov esi, putimage_init15bpp jmp sys_putimage_bpp @@: cmp esi, 16 jnz @f mov ebp, putimage_get16bpp mov esi, putimage_init16bpp jmp sys_putimage_bpp @@: cmp esi, 24 jnz @f mov ebp, putimage_get24bpp mov esi, putimage_init24bpp jmp sys_putimage_bpp @@: cmp esi, 32 jnz @f mov ebp, putimage_get32bpp mov esi, putimage_init32bpp jmp sys_putimage_bpp @@: pop ebp esi ebp ret put_mono_image: push ebp esi ebp mov ebp, putimage_get1bpp mov esi, putimage_init1bpp jmp sys_putimage_bpp put_2bit_image: push ebp esi ebp mov ebp, putimage_get2bpp mov esi, putimage_init2bpp jmp sys_putimage_bpp put_4bit_image: push ebp esi ebp mov ebp, putimage_get4bpp mov esi, putimage_init4bpp jmp sys_putimage_bpp putimage_init24bpp: lea eax, [eax*3] putimage_init8bpp: ret align 16 putimage_get24bpp: movzx eax, byte [esi+2] shl eax, 16 mov ax, [esi] add esi, 3 ret 4 align 16 putimage_get8bpp: movzx eax, byte [esi] push edx mov edx, [esp+8] mov eax, [edx+eax*4] pop edx inc esi ret 4 putimage_init1bpp: add eax, ecx push ecx add eax, 7 add ecx, 7 shr eax, 3 shr ecx, 3 sub eax, ecx pop ecx ret align 16 putimage_get1bpp: push edx mov edx, [esp+8] mov al, [edx] add al, al jnz @f lodsb adc al, al @@: mov [edx], al sbb eax, eax and eax, [edx+8] add eax, [edx+4] pop edx ret 4 putimage_init2bpp: add eax, ecx push ecx add ecx, 3 add eax, 3 shr ecx, 2 shr eax, 2 sub eax, ecx pop ecx ret align 16 putimage_get2bpp: push edx mov edx, [esp+8] mov al, [edx] mov ah, al shr al, 6 shl ah, 2 jnz .nonewbyte lodsb mov ah, al shr al, 6 shl ah, 2 add ah, 1 .nonewbyte: mov [edx], ah mov edx, [edx+4] movzx eax, al mov eax, [edx+eax*4] pop edx ret 4 putimage_init4bpp: add eax, ecx push ecx add ecx, 1 add eax, 1 shr ecx, 1 shr eax, 1 sub eax, ecx pop ecx ret align 16 putimage_get4bpp: push edx mov edx, [esp+8] add byte [edx], 80h jc @f movzx eax, byte [edx+1] mov edx, [edx+4] and eax, 0x0F mov eax, [edx+eax*4] pop edx ret 4 @@: movzx eax, byte [esi] add esi, 1 mov [edx+1], al shr eax, 4 mov edx, [edx+4] mov eax, [edx+eax*4] pop edx ret 4 putimage_init32bpp: shl eax, 2 ret align 16 putimage_get32bpp: lodsd ret 4 putimage_init15bpp: putimage_init16bpp: add eax, eax ret align 16 putimage_get15bpp: ; 0RRRRRGGGGGBBBBB -> 00000000RRRRR000GGGGG000BBBBB000 push ecx edx movzx eax, word [esi] add esi, 2 mov ecx, eax mov edx, eax and eax, 0x1F and ecx, 0x1F shl 5 and edx, 0x1F shl 10 shl eax, 3 shl ecx, 6 shl edx, 9 or eax, ecx or eax, edx pop edx ecx ret 4 align 16 putimage_get16bpp: ; RRRRRGGGGGGBBBBB -> 00000000RRRRR000GGGGGG00BBBBB000 push ecx edx movzx eax, word [esi] add esi, 2 mov ecx, eax mov edx, eax and eax, 0x1F and ecx, 0x3F shl 5 and edx, 0x1F shl 11 shl eax, 3 shl ecx, 5 shl edx, 8 or eax, ecx or eax, edx pop edx ecx ret 4 ; ================================================== ; eax x beginning ; ebx y beginning ; ecx x end ; edx y end ; edi color __sys_drawbar: mov esi,[current_slot] add eax,[esi+APPDATA.wnd_clientbox.left] add ecx,[esi+APPDATA.wnd_clientbox.left] add ebx,[esi+APPDATA.wnd_clientbox.top] add edx,[esi+APPDATA.wnd_clientbox.top] .forced: inc [mouse_pause] call vesa20_drawbar dec [mouse_pause] jmp [draw_pointer] kb_read: push ecx edx mov ecx,0x1ffff ; last 0xffff, new value in view of fast CPU's kr_loop: in al,0x64 test al,1 jnz kr_ready loop kr_loop mov ah,1 jmp kr_exit kr_ready: push ecx mov ecx,32 kr_delay: loop kr_delay pop ecx in al,0x60 xor ah,ah kr_exit: pop edx ecx ret kb_write: push ecx edx mov dl,al in al,0x60 mov ecx,0x1ffff ; last 0xffff, new value in view of fast CPU's kw_loop: in al,0x64 test al,2 jz kw_ok loop kw_loop mov ah,1 jmp kw_exit kw_ok: mov al,dl out 0x60,al mov ecx,0x1ffff ; last 0xffff, new value in view of fast CPU's kw_loop3: in al,0x64 test al,2 jz kw_ok3 loop kw_loop3 mov ah,1 jmp kw_exit kw_ok3: mov ah,8 kw_loop4: mov ecx,0x1ffff ; last 0xffff, new value in view of fast CPU's kw_loop5: in al,0x64 test al,1 jnz kw_ok4 loop kw_loop5 dec ah jnz kw_loop4 kw_ok4: xor ah,ah kw_exit: pop edx ecx ret kb_cmd: mov ecx,0x1ffff ; last 0xffff, new value in view of fast CPU's c_wait: in al,0x64 test al,2 jz c_send loop c_wait jmp c_error c_send: mov al,bl out 0x64,al mov ecx,0x1ffff ; last 0xffff, new value in view of fast CPU's c_accept: in al,0x64 test al,2 jz c_ok loop c_accept c_error: mov ah,1 jmp c_exit c_ok: xor ah,ah c_exit: ret rerouteirqs: cli mov al,0x11 ; icw4, edge triggered out 0x20,al call pic_delay out 0xA0,al call pic_delay mov al,0x20 ; generate 0x20 + out 0x21,al call pic_delay mov al,0x28 ; generate 0x28 + out 0xA1,al call pic_delay mov al,0x04 ; slave at irq2 out 0x21,al call pic_delay mov al,0x02 ; at irq9 out 0xA1,al call pic_delay mov al,0x01 ; 8086 mode out 0x21,al call pic_delay out 0xA1,al call pic_delay mov al,255 ; mask all irq's out 0xA1,al call pic_delay out 0x21,al call pic_delay mov ecx,0x1000 cld picl1: call pic_delay loop picl1 mov al,255 ; mask all irq's out 0xA1,al call pic_delay out 0x21,al call pic_delay cli ret pic_delay: jmp pdl1 pdl1: ret sys_msg_board_str: pushad @@: cmp [esi],byte 0 je @f mov eax,1 movzx ebx,byte [esi] call sys_msg_board inc esi jmp @b @@: popad ret sys_msg_board_byte: ; in: al = byte to display ; out: nothing ; destroys: nothing pushad mov ecx, 2 shl eax, 24 jmp @f sys_msg_board_word: ; in: ax = word to display ; out: nothing ; destroys: nothing pushad mov ecx, 4 shl eax, 16 jmp @f sys_msg_board_dword: ; in: eax = dword to display ; out: nothing ; destroys: nothing pushad mov ecx, 8 @@: push ecx rol eax, 4 push eax and al, 0xF cmp al, 10 sbb al, 69h das mov bl, al xor eax, eax inc eax call sys_msg_board pop eax pop ecx loop @b popad ret uglobal msg_board_data: times 4096 db 0 msg_board_count dd 0x0 endg sys_msg_board: ; eax=1 : write : bl byte to write ; eax=2 : read : ebx=0 -> no data, ebx=1 -> data in al mov ecx, [msg_board_count] cmp eax, 1 jne .smbl1 mov [msg_board_data+ecx],bl inc ecx and ecx, 4095 mov [msg_board_count], ecx mov [check_idle_semaphore], 5 ret .smbl1: cmp eax, 2 jne .smbl2 test ecx, ecx jz .smbl21 mov eax, msg_board_data+1 mov ebx, msg_board_data movzx edx, byte [ebx] call memmove dec [msg_board_count] mov [esp + 36], edx ;eax mov [esp + 24], dword 1 ret .smbl21: mov [esp+36], ecx mov [esp+24], ecx .smbl2: ret ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;; 66 sys function. ;; ;; in eax=66,ebx in [0..5],ecx,edx ;; ;; out eax ;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; iglobal align 4 f66call: dd sys_process_def.1 ; 1 = set keyboard mode dd sys_process_def.2 ; 2 = get keyboard mode dd sys_process_def.3 ; 3 = get keyboard ctrl, alt, shift dd sys_process_def.4 dd sys_process_def.5 endg sys_process_def: dec ebx cmp ebx,5 jae .not_support ;if >=6 then or eax,-1 mov edi, [CURRENT_TASK] jmp dword [f66call+ebx*4] .not_support: or eax,-1 ret .1: shl edi,8 mov [edi+SLOT_BASE + APPDATA.keyboard_mode],cl ret .2: ; 2 = get keyboard mode shl edi,8 movzx eax, byte [SLOT_BASE+edi + APPDATA.keyboard_mode] mov [esp+32],eax ret ; xor eax,eax ; movzx eax,byte [shift] ; movzx ebx,byte [ctrl] ; shl ebx,2 ; add eax,ebx ; movzx ebx,byte [alt] ; shl ebx,3 ; add eax,ebx .3: ;3 = get keyboard ctrl, alt, shift ;// mike.dld [ mov eax, [kb_state] ;// mike.dld ] mov [esp+32],eax ret .4: mov eax, hotkey_list @@: cmp dword [eax+8], 0 jz .found_free add eax, 16 cmp eax, hotkey_list+16*256 jb @b mov dword [esp+32], 1 ret .found_free: mov [eax+8], edi mov [eax+4], edx movzx ecx, cl lea ecx, [hotkey_scancodes+ecx*4] mov edx, [ecx] mov [eax], edx mov [ecx], eax mov [eax+12], ecx jecxz @f mov [edx+12], eax @@: and dword [esp+32], 0 ret .5: movzx ebx, cl lea ebx, [hotkey_scancodes+ebx*4] mov eax, [ebx] .scan: test eax, eax jz .notfound cmp [eax+8], edi jnz .next cmp [eax+4], edx jz .found .next: mov eax, [eax] jmp .scan .notfound: mov dword [esp+32], 1 ret .found: mov ecx, [eax] jecxz @f mov edx, [eax+12] mov [ecx+12], edx @@: mov ecx, [eax+12] mov edx, [eax] mov [ecx], edx xor edx, edx mov [eax+4], edx mov [eax+8], edx mov [eax+12], edx mov [eax], edx mov [esp+32], edx ret ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;; 61 sys function. ;; ;; in eax=61,ebx in [1..3] ;; ;; out eax ;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; iglobal align 4 f61call: dd sys_gs.1 ; resolution dd sys_gs.2 ; bits per pixel dd sys_gs.3 ; bytes per scanline endg align 4 sys_gs: ; direct screen access dec ebx cmp ebx,2 ja .not_support jmp dword [f61call+ebx*4] .not_support: or [esp+32],dword -1 ret .1: ; resolution mov eax,[Screen_Max_X] shl eax,16 mov ax,[Screen_Max_Y] add eax,0x00010001 mov [esp+32],eax ret .2: ; bits per pixel movzx eax,byte [ScreenBPP] mov [esp+32],eax ret .3: ; bytes per scanline mov eax,[BytesPerScanLine] mov [esp+32],eax ret align 4 ; system functions syscall_setpixel: ; SetPixel mov eax, ebx mov ebx, ecx mov ecx, edx xor edi, edi ; no force call [_display.disable_mouse] jmp [putpixel] align 4 syscall_writetext: ; WriteText mov eax,[TASK_BASE] mov ebp,[eax-twdw+WDATA.box.left] push esi mov esi,[current_slot] add ebp,[esi+APPDATA.wnd_clientbox.left] shl ebp,16 add ebp,[eax-twdw+WDATA.box.top] add bp,word[esi+APPDATA.wnd_clientbox.top] pop esi add ebx,ebp mov eax,edi xor edi,edi jmp dtext align 4 syscall_openramdiskfile: ; OpenRamdiskFile mov eax, ebx mov ebx, ecx mov ecx, edx mov edx, esi mov esi, 12 call fileread mov [esp+32], eax ret align 4 syscall_drawrect: ; DrawRect mov edi, edx ; color + gradient and edi, 0x80FFFFFF test bx, bx ; x.size je .drectr test cx, cx ; y.size je .drectr mov eax, ebx ; bad idea mov ebx, ecx movzx ecx, ax ; ecx - x.size shr eax, 16 ; eax - x.coord movzx edx, bx ; edx - y.size shr ebx, 16 ; ebx - y.coord mov esi, [current_slot] add eax, [esi + APPDATA.wnd_clientbox.left] add ebx, [esi + APPDATA.wnd_clientbox.top] add ecx, eax add edx, ebx jmp [drawbar] .drectr: ret align 4 syscall_getscreensize: ; GetScreenSize mov ax, [Screen_Max_X] shl eax, 16 mov ax, [Screen_Max_Y] mov [esp + 32], eax ret align 4 align 4 syscall_getpixel: ; GetPixel mov ecx, [Screen_Max_X] inc ecx xor edx, edx mov eax, ebx div ecx mov ebx, edx xchg eax, ebx call get_pixel ; eax - x, ebx - y mov [esp + 32], ecx ret align 4 syscall_getarea: ;eax = 36 ;ebx = pointer to bufer for img BBGGRRBBGGRR... ;ecx = [size x]*65536 + [size y] ;edx = [start x]*65536 + [start y] pushad inc [mouse_pause] ; Check of use of the hardware cursor. cmp [_display.disable_mouse],__sys_disable_mouse jne @f ; Since the test for the coordinates of the mouse should not be used, ; then use the call [disable_mouse] is not possible! cmp dword [MOUSE_VISIBLE],dword 0 jne @f pushf cli call draw_mouse_under popf mov [MOUSE_VISIBLE],dword 1 @@: mov edi,ebx mov eax,edx shr eax,16 mov ebx,edx and ebx,0xffff dec eax dec ebx ; eax - x, ebx - y mov edx,ecx shr ecx,16 and edx,0xffff mov esi,ecx ; ecx - size x, edx - size y mov ebp,edx dec ebp lea ebp,[ebp*3] imul ebp,esi mov esi,ecx dec esi lea esi,[esi*3] add ebp,esi add ebp,edi add ebx,edx .start_y: push ecx edx .start_x: push eax ebx ecx add eax,ecx call get_pixel ; eax - x, ebx - y mov [ebp],cx shr ecx,16 mov [ebp+2],cl pop ecx ebx eax sub ebp,3 dec ecx jnz .start_x pop edx ecx dec ebx dec edx jnz .start_y dec [mouse_pause] ; Check of use of the hardware cursor. cmp [_display.disable_mouse],__sys_disable_mouse jne @f call [draw_pointer] @@: popad ret align 4 syscall_drawline: ; DrawLine mov edi, [TASK_BASE] movzx eax, word[edi-twdw+WDATA.box.left] mov ebp, eax mov esi, [current_slot] add ebp, [esi+APPDATA.wnd_clientbox.left] add ax, word[esi+APPDATA.wnd_clientbox.left] add ebp,ebx shl eax, 16 movzx ebx, word[edi-twdw+WDATA.box.top] add eax, ebp mov ebp, ebx add ebp, [esi+APPDATA.wnd_clientbox.top] add bx, word[esi+APPDATA.wnd_clientbox.top] add ebp, ecx shl ebx, 16 xor edi, edi add ebx, ebp mov ecx, edx jmp [draw_line] align 4 syscall_getirqowner: ; GetIrqOwner cmp ebx,16 jae .err cmp [irq_rights + 4 * ebx], dword 2 je .err mov eax,[4 * ebx + irq_owner] mov [esp+32],eax ret .err: or dword [esp+32], -1 ret align 4 syscall_reserveportarea: ; ReservePortArea and FreePortArea call r_f_port_area mov [esp+32],eax ret align 4 syscall_threads: ; CreateThreads ; eax=1 create thread ; ; ebx=thread start ; ecx=thread stack value ; ; on return : eax = pid call new_sys_threads mov [esp+32],eax ret align 4 stack_driver_stat: call app_stack_handler ; Stack status ; mov [check_idle_semaphore],5 ; enable these for zero delay ; call change_task ; between sent packet mov [esp+32],eax ret align 4 socket: ; Socket interface call app_socket_handler ; mov [check_idle_semaphore],5 ; enable these for zero delay ; call change_task ; between sent packet mov [esp+36],eax mov [esp+24],ebx ret align 4 read_from_hd: ; Read from hd - fn not in use mov edi,[TASK_BASE] add edi,TASKDATA.mem_start add eax,[edi] add ecx,[edi] add edx,[edi] call file_read mov [esp+36],eax mov [esp+24],ebx ret paleholder: ret align 4 set_screen: cmp eax, [Screen_Max_X] jne .set cmp edx, [Screen_Max_Y] jne .set ret .set: pushfd cli mov [Screen_Max_X], eax mov [Screen_Max_Y], edx mov [BytesPerScanLine], ecx mov [screen_workarea.right],eax mov [screen_workarea.bottom], edx push ebx push esi push edi pushad stdcall kernel_free, [_WinMapAddress] mov eax, [_display.width] mul [_display.height] mov [_WinMapSize], eax stdcall kernel_alloc, eax mov [_WinMapAddress], eax test eax, eax jz .epic_fail popad call repos_windows xor eax, eax xor ebx, ebx mov ecx, [Screen_Max_X] mov edx, [Screen_Max_Y] call calculatescreen pop edi pop esi pop ebx popfd ret .epic_fail: hlt ; Houston, we've had a problem ; --------------- APM --------------------- align 4 sys_apm: xor eax,eax inc eax or dword [esp + 44], eax ; error add eax,7 mov dword [esp + 32], eax ; 32-bit protected-mode interface not supported ret ; ----------------------------------------- align 4 undefined_syscall: ; Undefined system call mov [esp + 32], dword -1 ret align 4 system_shutdown: ; shut down the system cmp byte [BOOT_VAR+0x9030], 1 jne @F ret @@: call stop_all_services yes_shutdown_param: cli mov al, 0xFF out 0x21, al ;IntrCntrl1Reg2 out 0xA1, al ;IntrCntrl2Reg2 cmp byte [BOOT_VAR + 0x9030], 2 jnz pm_restart if 0 mov al, SB_PM_CTRL_BLK mov ah, al inc ah mov dx, 0x0CD6 out dx, al inc dl in al, dx mov cl, al dec dl mov al, ah out dx, al inc dl in al, dx mov ch, al end if mov dx, 0x0804 ;cx mov ax, 0x03400 out dx, ax ; THE END... jmp $ ; just to be absolutely sure pm_restart: mov al,0x0F out 0x70,al ; NmiEnable mov al,0x05 out 0x71,al ; RtcData mov ax, 6 mov dx, 0xCF9 ; reset reg out dx, ax hlt jmp $-1 diff16 "End of 32-code ",0,$ include "data32.inc" __REV__ = __REV uglobals_size = $ - endofcode diff16 "Zero-filled blk",0,endofcode diff16 "End of kernel ",0,$