;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;; ;; Copyright (C) KolibriOS team 2004-2012. 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 () ;; Rus ;; Nable ;; shurf ;; Alver ;; Maxis ;; Galkov ;; CleverMouse ;; tsdima ;; turbanoff ;; Asper ;; 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' include 'struct.inc' $Revision: 2643 $ USE_COM_IRQ equ 1 ; make irq 3 and irq 4 available for PCI devices ; Enabling the next line will enable serial output console ;debug_com_base equ 0x3f8 ; 0x3f8 is com1, 0x2f8 is com2, 0x3e8 is com3, 0x2e8 is com4, no irq's are used include "proc32.inc" include "kglobals.inc" include "lang.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 ;; - Booteng.inc English text for bootup ;; - Bootcode.inc Hardware setup ;; - Pci16.inc PCI functions ;; ;; 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 OS version 0.7.7.0+ ',13,10,13,10,0 include "boot/bootstr.inc" ; language-independent boot messages include "boot/preboot.inc" if lang eq en include "boot/booteng.inc" ; english system boot messages else if lang eq ru include "boot/bootru.inc" ; russian system boot messages include "boot/ru.inc" ; Russian font else if lang eq et include "boot/bootet.inc" ; estonian system boot messages include "boot/et.inc" ; Estonian font else include "boot/bootge.inc" ; german system boot messages end if include "boot/bootcode.inc" ; 16 bit system boot code include "bus/pci/pci16.inc" include "detect/biosdisk.inc" ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;; ;; ;; SWITCH TO 32 BIT PROTECTED MODE ;; ;; ;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ; 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 include "data16.inc" use32 org $+0x10000 align 4 B32: mov ax, os_stack ; Selector for os mov ds, ax mov es, ax mov fs, ax mov gs, ax mov ss, ax mov esp, 0x006CC00 ; Set stack ; CLEAR 0x280000 - HEAP_BASE xor eax, eax mov edi, CLEAN_ZONE mov ecx, (HEAP_BASE-OS_BASE-CLEAN_ZONE) / 4 cld rep stosd ; CLEAR KERNEL UNDEFINED GLOBALS mov edi, endofcode-OS_BASE mov ecx, 0x90000 sub ecx, edi shr ecx, 2 rep stosd ; SAVE & CLEAR 0-0xffff xor esi, esi mov edi, (BOOT_VAR-OS_BASE) mov ecx, 0x10000 / 4 rep movsd mov edi, 0x1000 mov ecx, 0xf000 / 4 rep stosd call test_cpu bts [cpu_caps-OS_BASE], CAPS_TSC ;force use rdtsc call check_acpi call init_BIOS32 ; MEMORY MODEL call mem_test call init_mem call init_page_map ; 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 align 4 bios32_entry dd ? tmp_page_tabs dd ? use16 org $-0x10000 include "boot/shutdown.inc" ; shutdown or restart org $+0x10000 use32 __DEBUG__ fix 1 __DEBUG_LEVEL__ fix 1 include 'init.inc' org OS_BASE+$ include 'fdo.inc' 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 mov ecx, pg_data.mutex call mutex_init mov ecx, disk_list_mutex call mutex_init mov ecx, keyboard_list_mutex call mutex_init mov ecx, unpack_mutex call mutex_init ; SAVE REAL MODE VARIABLES mov ax, [BOOT_VAR + BOOT_IDE_BASE_ADDR] mov [IDEContrRegsBaseAddr], ax ; --------------- APM --------------------- ; init selectors mov ebx, [BOOT_VAR+BOOT_APM_ENTRY] ; offset of APM entry point movzx eax, word [BOOT_VAR+BOOT_APM_CODE_32] ; real-mode segment base address of ; protected-mode 32-bit code segment movzx ecx, word [BOOT_VAR+BOOT_APM_CODE_16]; real-mode segment base address of ; protected-mode 16-bit code segment movzx edx, word [BOOT_VAR+BOOT_APM_DATA_16]; real-mode segment base address of ; protected-mode 16-bit data segment shl eax, 4 mov [dword apm_code_32 + 2], ax shr eax, 16 mov [dword apm_code_32 + 4], al shl ecx, 4 mov [dword apm_code_16 + 2], cx shr ecx, 16 mov [dword apm_code_16 + 4], cl shl edx, 4 mov [dword apm_data_16 + 2], dx shr edx, 16 mov [dword apm_data_16 + 4], dl mov dword[apm_entry], ebx mov word [apm_entry + 4], apm_code_32 - gdts mov eax, [BOOT_VAR + BOOT_APM_VERSION] ; version & flags mov [apm_vf], eax ; ----------------------------------------- mov al, [BOOT_VAR+BOOT_DMA] ; DMA access mov [allow_dma_access], al movzx eax, byte [BOOT_VAR+BOOT_BPP] ; bpp mov [ScreenBPP], al mov [_display.bpp], eax mov [_display.vrefresh], 60 movzx eax, word [BOOT_VAR+BOOT_X_RES]; X max mov [_display.width], eax dec eax mov [Screen_Max_X], eax mov [screen_workarea.right], eax movzx eax, word [BOOT_VAR+BOOT_Y_RES]; Y max mov [_display.height], eax dec eax mov [Screen_Max_Y], eax mov [screen_workarea.bottom], eax movzx eax, word [BOOT_VAR+BOOT_VESA_MODE]; screen mode mov [SCR_MODE], eax ; mov eax, [BOOT_VAR+0x9014] ; Vesa 1.2 bnk sw add ; mov [BANK_SWITCH], eax mov [BytesPerScanLine], word 640*4 ; Bytes PerScanLine cmp [SCR_MODE], word 0x13 ; 320x200 je @f cmp [SCR_MODE], word 0x12 ; VGA 640x480 je @f movzx eax, word[BOOT_VAR+BOOT_PITCH] ; for other modes mov [BytesPerScanLine], ax mov [_display.pitch], eax @@: mov eax, [_display.width] mul [_display.height] mov [_WinMapSize], eax call calculate_fast_getting_offset_for_WinMapAddress ; for Qemu or non standart video cards ; Unfortunately [BytesPerScanLine] does not always ; equal to [_display.width] * [ScreenBPP] / 8 call calculate_fast_getting_offset_for_LFB mov esi, BOOT_VAR+0x9080 movzx ecx, byte [esi-1] mov [NumBiosDisks], ecx mov edi, BiosDisksData rep movsd ; GRAPHICS ADDRESSES mov eax, [BOOT_VAR+BOOT_LFB] mov [LFBAddress], eax cmp [SCR_MODE], word 0100000000000000b jge setvesa20 cmp [SCR_MODE], word 0x13 ; EGA 320*200 256 colors je v20ga32 jmp v20ga24 setvesa20: mov [PUTPIXEL], dword Vesa20_putpixel24 ; Vesa 2.0 mov [GETPIXEL], dword Vesa20_getpixel24 cmp [ScreenBPP], byte 24 jz v20ga24 v20ga32: mov [PUTPIXEL], dword Vesa20_putpixel32 mov [GETPIXEL], dword Vesa20_getpixel32 jmp no_mode_0x12 v20ga24: cmp [SCR_MODE], word 0x12 ; 16 C VGA 640x480 jne no_mode_0x12 mov [PUTPIXEL], dword VGA_putpixel mov [GETPIXEL], dword Vesa20_getpixel32 no_mode_0x12: mov [MOUSE_PICTURE], dword mousepointer mov [_display.check_mouse], check_mouse_area_for_putpixel mov [_display.check_m_pixel], check_mouse_area_for_getpixel ; -------- Fast System Call init ---------- ; Intel SYSENTER/SYSEXIT (AMD CPU support it too) bt [cpu_caps], CAPS_SEP jnc .SEnP ; SysEnter not Present xor edx, edx mov ecx, MSR_SYSENTER_CS mov eax, os_code wrmsr mov ecx, MSR_SYSENTER_ESP ; mov eax, sysenter_stack ; Check it xor eax, eax wrmsr mov ecx, MSR_SYSENTER_EIP mov eax, sysenter_entry wrmsr .SEnP: ; AMD SYSCALL/SYSRET cmp byte[cpu_vendor], 'A' jne .noSYSCALL mov eax, 0x80000001 cpuid test edx, 0x800 ; bit_11 - SYSCALL/SYSRET support jz .noSYSCALL mov ecx, MSR_AMD_EFER rdmsr or eax, 1 ; bit_0 - System Call Extension (SCE) wrmsr ; !!!! It`s dirty hack, fix it !!! ; Bits of EDX : ; Bit 31Ц16 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 15Ц0 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, (os_code + 16) * 65536 + os_code mov edx, 0x1B0008 mov eax, syscall_entry mov ecx, MSR_AMD_STAR wrmsr .noSYSCALL: ; ----------------------------------------- stdcall alloc_page stdcall map_page, tss-0xF80, eax, PG_SW 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 ;lidt [idtreg] 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 not eax mov ecx, 8192/4 rep stosd ; access to 4096*8=65536 ports 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 call init_events mov eax, srv.fd-SRV.fd mov [srv.fd], eax mov [srv.bk], eax ;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 stdcall kernel_alloc, [_WinMapSize] mov [_WinMapAddress], eax 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 mov esi, boot_initirq call boot_log call init_irqs mov esi, boot_picinit call boot_log call PIC_init mov esi, boot_v86machine call boot_log ; Initialize system V86 machine call init_sys_v86 mov esi, boot_inittimer call boot_log ; Initialize system timer (IRQ0) call PIT_init mov esi, boot_initapic call boot_log ; Try to Initialize APIC call APIC_init mov esi, boot_enableirq call boot_log ; Enable timer IRQ (IRQ0) and hard drives IRQs (IRQ14, IRQ15) ; they are used: when partitions are scanned, hd_read relies on timer call unmask_timer stdcall enable_irq, 2 ; @#$%! PIC stdcall enable_irq, 6 ; FDD stdcall enable_irq, 13 ; co-processor stdcall enable_irq, 14 stdcall enable_irq, 15 mov esi, boot_enablint_ide call boot_log ; Enable interrupts in IDE controller mov al, 0 mov dx, 0x3F6 out dx, al mov dl, 0x76 out dx, al ;!!!!!!!!!!!!!!!!!!!!!!!!!! ; mov esi, boot_detectdisks ; call boot_log ;include 'detect/disks.inc' mov esi, boot_detectfloppy call boot_log include 'detect/dev_fd.inc' mov esi, boot_detecthdcd call boot_log include 'detect/dev_hdcd.inc' mov esi, boot_getcache call boot_log include 'detect/getcache.inc' mov esi, boot_detectpart call boot_log include 'detect/sear_par.inc' ;!!!!!!!!!!!!!!!!!!!!!!!!!! mov esi, boot_init_sys call boot_log call Parser_params if ~ defined extended_primary_loader ; ramdisk image should be loaded by extended primary loader if it exists ; READ RAMDISK IMAGE FROM HD ;!!!!!!!!!!!!!!!!!!!!!!! include 'boot/rdload.inc' ;!!!!!!!!!!!!!!!!!!!!!!! end if ; mov [dma_hdd],1 ; CALCULATE FAT CHAIN FOR RAMDISK call calculatefatchain if 0 mov ax, [OS_BASE+0x10000+bx_from_load] cmp ax, 'r1'; if using not ram disk, then load librares and parameters {SPraid.simba} je no_lib_load mov esi, boot_loadlibs call boot_log ; LOADING LIBRARES stdcall dll.Load, @IMPORT ; loading librares for kernel (.obj files) call load_file_parse_table ; prepare file parse table call set_kernel_conf ; configure devices and gui no_lib_load: end if ; Display APIC status mov esi, boot_APIC_found cmp [irq_mode], IRQ_APIC je @f mov esi, boot_APIC_nfound @@: call boot_log ; PRINT AMOUNT OF MEMORY mov esi, boot_memdetect call boot_log movzx ecx, word [boot_y] if lang eq ru or ecx, (10+30*6) shl 16 else or ecx, (10+29*6) shl 16 end if 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 ; RESERVE SYSTEM IRQ'S JA PORT'S mov esi, boot_resirqports call boot_log call reserve_irqs_ports ; 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 mov esi, boot_tsc call boot_log cli rdtsc ;call _rdtsc mov ecx, eax mov esi, 250 ; wait 1/4 a second call delay_ms rdtsc ;call _rdtsc sti sub eax, ecx shl eax, 2 mov [CPU_FREQ], eax ; save tsc / sec ; mov ebx, 1000000 ; div ebx ; вообще-то производительность в данном конкретном месте ; совершенно некритична, но чтобы заткнуть любителей ; оптимизирующих компиляторов ЯВУ... mov edx, 2251799814 mul edx shr edx, 19 mov [stall_mcs], edx ; PRINT CPU FREQUENCY mov esi, boot_cpufreq call boot_log mov ebx, edx movzx ecx, word [boot_y] if lang eq ru add ecx, (10+19*6) shl 16 - 10 ; 'Determining amount of memory' else add ecx, (10+17*6) shl 16 - 10 ; 'Determining amount of memory' end if mov edx, 0xFFFFFF xor edi, edi mov eax, 0x00040000 inc edi call display_number_force ; SET VARIABLES call set_variables ; STACK AND FDC call stack_init call fdc_init ; PALETTE FOR 320x200 and 640x480 16 col cmp [SCR_MODE], word 0x12 jne no_pal_vga mov esi, boot_pal_vga call boot_log call paletteVGA no_pal_vga: cmp [SCR_MODE], word 0x13 jne no_pal_ega mov esi, boot_pal_ega call boot_log call palette320x200 no_pal_ega: ; 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 mov ax, [OS_BASE+0x10000+bx_from_load] cmp ax, 'r1'; if not rused ram disk - load network configuration from files {SPraid.simba} je no_st_network call set_network_conf no_st_network: ; 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 test ah, ah jnz .no_keyboard ; wait until 8042 is ready xor ecx, ecx @@: in al, 64h and al, 00000010b loopnz @b iglobal align 4 ps2_keyboard_functions: dd .end - $ dd 0 ; no close dd ps2_set_lights .end: endg stdcall register_keyboard, ps2_keyboard_functions, 0 ; mov al, 0xED ; Keyboard LEDs - only for testing! ; call kb_write ; call kb_read ; mov al, 111b ; call kb_write ; call kb_read 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 ] stdcall attach_int_handler, 1, irq1, 0 .no_keyboard: ; SET MOUSE stdcall load_driver, szPS2MDriver ; stdcall load_driver, szCOM_MDriver mov esi, boot_setmouse call boot_log call setmouse ; Setup serial output console (if enabled) if defined debug_com_base ; enable Divisor latch mov dx, debug_com_base+3 mov al, 1 shl 7 out dx, al ; Set speed to 115200 baud (max speed) mov dx, debug_com_base mov al, 0x01 out dx, al mov dx, debug_com_base+1 mov al, 0x00 out dx, al ; No parity, 8bits words, one stop bit, dlab bit back to 0 mov dx, debug_com_base+3 mov al, 3 out dx, al ; disable interrupts mov dx, debug_com_base+1 mov al, 0 out dx, al ; clear + enable fifo (64 bits) mov dx, debug_com_base+2 mov al, 0x7 + 1 shl 5 out dx, al end if mov eax, [cpu_count] test eax, eax jnz @F mov al, 1 ; at least one CPU @@: DEBUGF 1, "K : %d CPU detected\n", eax ; START MULTITASKING ; A 'All set - press ESC to start' messages if need if preboot_blogesc mov esi, boot_tasking call boot_log .bll1: in al, 0x60 ; wait for ESC key press cmp al, 129 jne .bll1 end if cmp [IDEContrRegsBaseAddr], 0 setnz [dma_hdd] mov [timer_ticks_enable], 1 ; for cd driver sti call change_task jmp osloop ; Fly :) include 'unpacker.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 mov [novesachecksum], 1000 call checkVga_N13 popad ret ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ; ; ; MAIN OS LOOP START ; ; ; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; align 32 osloop: ; call [draw_pointer] call __sys_draw_pointer call window_check_events call mouse_check_events call checkmisc call checkVga_N13 call stack_handler call checkidle call check_fdd_motor_status call check_ATAPI_device_event call check_lights_state call check_timers 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: ; RESERVE PORTS mov eax, RESERVED_PORTS mov ecx, 1 mov [eax], dword 4 mov [eax+16], ecx mov [eax+16+4], dword 0 mov [eax+16+4], dword 0x2D mov [eax+32], ecx mov [eax+32+4], dword 0x30 mov [eax+32+8], dword 0x4D mov [eax+48], ecx mov [eax+48+4], dword 0x50 mov [eax+28+8], dword 0xDF mov [eax+64], ecx mov [eax+64+4], dword 0xE5 mov [eax+64+8], dword 0xFF ret iglobal process_number dd 0x1 endg set_variables: mov ecx, 0x16 ; flush port 0x60 .fl60: in al, 0x60 loop .fl60 push eax mov ax, [BOOT_VAR+BOOT_Y_RES] shr ax, 1 shl eax, 16 mov ax, [BOOT_VAR+BOOT_X_RES] 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: mov edi, ecx ; separate flag for read / write and ecx, 65535 mov eax, [RESERVED_PORTS] test eax, eax jnz .sopl8 inc eax mov [esp+32], eax ret .sopl8: mov edx, [TASK_BASE] mov edx, [edx+0x4] ;and ecx,65535 ;cld - set on interrupt 0x40 .sopl1: mov esi, eax shl esi, 4 add esi, RESERVED_PORTS cmp edx, [esi+0] jne .sopl2 cmp ecx, [esi+4] jb .sopl2 cmp ecx, [esi+8] jg .sopl2 .sopl3: test edi, 0x80000000; read ? jnz .sopl4 mov eax, ebx mov dx, cx ; write out dx, al and [esp+32], dword 0 ret .sopl2: dec eax jnz .sopl1 inc eax mov [esp+32], eax ret .sopl4: mov dx, cx ; read in al, dx and eax, 0xff and [esp+32], dword 0 mov [esp+20], eax 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 sys_setup_err mov [pci_access_enabled], ecx ret 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: ;-------------------------------------- cmp [_display.select_cursor], 0 je @f ; restore default cursor before killing pusha mov ecx, [current_slot] call restore_default_cursor_before_killing popa @@: ;-------------------------------------- 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 ;------------------------------------------------------------------------------ align 4 restore_default_cursor_before_killing: pushfd cli mov eax, [def_cursor] mov [ecx+APPDATA.cursor], eax movzx eax, word [MOUSE_Y] movzx ebx, word [MOUSE_X] ; mov ecx, [Screen_Max_X] ; inc ecx ; mul ecx mov eax, [d_width_calc_area + eax*4] add eax, [_WinMapAddress] movzx edx, byte [ebx+eax] shl edx, 8 mov esi, [edx+SLOT_BASE+APPDATA.cursor] cmp esi, [current_cursor] je @f push esi call [_display.select_cursor] mov [current_cursor], esi @@: mov [redrawmouse_unconditional], 1 popfd ; call [draw_pointer] call __sys_draw_pointer ret ;------------------------------------------------------------------------------ iglobal align 4 sys_system_table: dd sysfn_deactivate ; 1 = deactivate window 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 push ecx 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 ;-------------------------------------- cmp [_display.select_cursor], 0 je .restore_end ; restore default cursor before killing pusha mov ecx, [esp+32] shl ecx, 8 add ecx, SLOT_BASE mov eax, [def_cursor] cmp [ecx+APPDATA.cursor], eax je @f call restore_default_cursor_before_killing @@: popa .restore_end: ;-------------------------------------- ;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: add esp, 4 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_deactivate: ; 18.1 = DEACTIVATE WINDOW cmp ecx, 2 jb .nowindowdeactivate cmp ecx, [TASK_COUNT] ja .nowindowdeactivate movzx esi, word [WIN_STACK + ecx*2] cmp esi, 1 je .nowindowdeactivate ; already deactive mov edi, ecx shl edi, 5 add edi, window_data movzx esi, word [WIN_STACK + ecx * 2] lea esi, [WIN_POS + esi * 2] call window._.window_deactivate xor eax, eax mov byte[MOUSE_BACKGROUND], al mov byte[DONT_DRAW_MOUSE], al mov byte[MOUSE_DOWN], 0 call syscall_display_settings._.calculate_whole_screen call syscall_display_settings._.redraw_whole_screen .nowindowdeactivate: 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 UID_NONE=0 UID_MENUETOS=1 ;official UID_KOLIBRI=2 ;russian iglobal version_inf: db 0,7,7,0 ; version 0.7.7.0 db 0 dd __REV__ version_end: endg ;------------------------------------------------------------------------------ align 4 sys_cachetodiskette: cmp ebx, 1 jne .no_floppy_a_save mov [flp_number], 1 jmp .save_image_on_floppy ;-------------------------------------- align 4 .no_floppy_a_save: cmp ebx, 2 jne .no_floppy_b_save mov [flp_number], 2 ;-------------------------------------- align 4 .save_image_on_floppy: call save_image mov [esp + 32], dword 0 cmp [FDC_Status], 0 je .yes_floppy_save ;-------------------------------------- align 4 .no_floppy_b_save: mov [esp + 32], dword 1 ;-------------------------------------- align 4 .yes_floppy_save: ret ;------------------------------------------------------------------------------ uglobal ; bgrchanged dd 0x0 align 4 bgrlockpid dd 0 bgrlock db 0 endg ;------------------------------------------------------------------------------ align 4 sys_background: cmp ebx, 1 ; BACKGROUND SIZE jnz nosb1 test ecx, ecx jz sbgrr test edx, edx jz sbgrr ;-------------------------------------- align 4 @@: ;;Maxis use atomic bts for mutexes 4.4.2009 bts dword [bgrlock], 0 jnc @f call change_task jmp @b ;-------------------------------------- align 4 @@: 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 ;-------------------------------------- align 4 @@: ; calculate RAW size xor eax, eax inc eax cmp [BgrDataWidth], eax jae @f mov [BgrDataWidth], eax ;-------------------------------------- align 4 @@: cmp [BgrDataHeight], eax jae @f mov [BgrDataHeight], eax ;-------------------------------------- align 4 @@: mov eax, [BgrDataWidth] imul eax, [BgrDataHeight] lea eax, [eax*3] ; it is reserved with aligned to the boundary of 4 KB pages, ; otherwise there may be exceptions a page fault for vesa20_drawbackground_tiled ; because the 32 bit read is used for high performance: "mov eax,[esi]" shr eax, 12 inc eax shl eax, 12 mov [mem_BACKGROUND], eax ; get memory for new background stdcall kernel_alloc, eax test eax, eax jz .memfailed mov [img_background], eax jmp .exit ;-------------------------------------- align 4 .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 ;-------------------------------------- align 4 .exit: popad mov [bgrlock], 0 ;-------------------------------------- align 4 sbgrr: ret ;------------------------------------------------------------------------------ align 4 nosb1: cmp ebx, 2 ; SET PIXEL jnz nosb2 mov eax, [img_background] test ecx, ecx jz @f cmp eax, static_background_data jz .ret ;-------------------------------------- align 4 @@: 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 ;-------------------------------------- align 4 .ret: ret ;------------------------------------------------------------------------------ align 4 nosb2: cmp ebx, 3 ; DRAW BACKGROUND jnz nosb3 ;-------------------------------------- align 4 draw_background_temp: mov [background_defined], 1 call force_redraw_background ;-------------------------------------- align 4 nosb31: ret ;------------------------------------------------------------------------------ align 4 nosb3: cmp ebx, 4 ; TILED / STRETCHED jnz nosb4 cmp ecx, [BgrDrawMode] je nosb41 mov [BgrDrawMode], ecx ;-------------------------------------- align 4 nosb41: ret ;------------------------------------------------------------------------------ align 4 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 ;-------------------------------------- align 4 @@: ; bughere mov eax, ecx mov ebx, edx add ebx, [img_background];IMG_BACKGROUND mov ecx, esi call memmove ;-------------------------------------- align 4 .fin: ret ;------------------------------------------------------------------------------ align 4 nosb5: cmp ebx, 6 jnz nosb6 ;-------------------------------------- align 4 ;;Maxis use atomic bts for mutex 4.4.2009 @@: bts dword [bgrlock], 0 jnc @f call change_task jmp @b ;-------------------------------------- align 4 @@: 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 ;-------------------------------------- align 4 .z: mov eax, [page_tabs+ebx*4] test al, 1 jz @f call free_page ;-------------------------------------- align 4 @@: 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 ;-------------------------------------- align 4 .nomem: and [bgrlockpid], 0 mov [bgrlock], 0 ;------------------------------------------------------------------------------ align 4 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 ;-------------------------------------- align 4 @@: 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 ;-------------------------------------- align 4 .err: and dword [esp+32], 0 ret ;------------------------------------------------------------------------------ align 4 nosb7: cmp ebx, 8 jnz nosb8 mov eax, [BG_Rect_X_left_right] mov [esp + 32], eax ; eax = [left]*65536 + [right] mov eax, [BG_Rect_Y_top_bottom] mov [esp + 20], eax ; ebx = [top]*65536 + [bottom] ret ;------------------------------------------------------------------------------ align 4 nosb8: cmp ebx, 9 jnz nosb9 ; ecx = [left]*65536 + [right] ; edx = [top]*65536 + [bottom] mov eax, [Screen_Max_X] mov ebx, [Screen_Max_Y] ; check [right] cmp cx, ax ja .exit ; check [left] ror ecx, 16 cmp cx, ax ja .exit ; check [bottom] cmp dx, bx ja .exit ; check [top] ror edx, 16 cmp dx, bx ja .exit movzx eax, cx ; [left] movzx ebx, dx ; [top] shr ecx, 16 ; [right] shr edx, 16 ; [bottom] mov [background_defined], 1 mov [draw_data+32 + RECT.left], eax mov [draw_data+32 + RECT.top], ebx mov [draw_data+32 + RECT.right], ecx mov [draw_data+32 + RECT.bottom], edx inc byte[REDRAW_BACKGROUND] ;-------------------------------------- align 4 .exit: ret ;------------------------------------------------------------------------------ align 4 nosb9: ret ;------------------------------------------------------------------------------ align 4 uglobal BG_Rect_X_left_right dd 0x0 BG_Rect_Y_top_bottom dd 0x0 endg ;------------------------------------------------------------------------------ align 4 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_getbackground: ; cmp eax,1 ; SIZE dec ebx jnz nogb1 mov eax, [BgrDataWidth] shl eax, 16 mov ax, [BgrDataHeight] mov [esp+32], eax ret ;------------------------------------------------------------------------------ align 4 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 ;-------------------------------------- align 4 @@: 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 ;-------------------------------------- align 4 .ret: ret ;------------------------------------------------------------------------------ align 4 nogb2: ; cmp eax,4 ; TILED / STRETCHED dec ebx dec ebx jnz nogb4 mov eax, [BgrDrawMode] ;-------------------------------------- align 4 nogb4: mov [esp+32], eax 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 ;-------------------------------------- align 4 .ret_eax: mov [esp + 32], eax ret ;-------------------------------------- align 4 .finish: ; test hotkeys buffer mov ecx, hotkey_buffer ;-------------------------------------- align 4 @@: cmp [ecx], ebx jz .found add ecx, 8 cmp ecx, hotkey_buffer + 120 * 8 jb @b ret ;-------------------------------------- align 4 .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 ;-------------------------------------- align 4 .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 ;--------------------------------------------------------------------------------------------- ; check if pixel is allowed to be drawn ;checkpixel: ; push eax edx ;; mov edx, [Screen_Max_X] ; screen x size ;; inc edx ;; imul edx, ebx ; mov edx, [d_width_calc_area + ebx*4] ; add eax, [_WinMapAddress] ; mov dl, [eax+edx]; lea eax, [...] ; xor ecx, ecx ; mov eax, [CURRENT_TASK] ; cmp al, dl ; setne cl ; pop edx eax ; ret iglobal cpustring db 'CPU',0 endg uglobal background_defined db 0 ; diamond, 11.04.2006 endg ;----------------------------------------------------------------------------- align 4 checkmisc: cmp [ctrl_alt_del], 1 jne nocpustart mov ebp, cpustring call fs_execute_from_sysdir mov [ctrl_alt_del], 0 ;-------------------------------------- align 4 nocpustart: cmp [mouse_active], 1 jne mouse_not_active mov [mouse_active], 0 xor edi, edi mov ebx, CURRENT_TASK mov ecx, [TASK_COUNT] movzx eax, word [WIN_POS + ecx*2] ; active window shl eax, 8 push eax movzx eax, word [MOUSE_X] movzx edx, word [MOUSE_Y] ;-------------------------------------- align 4 .set_mouse_event: add edi, 256 add ebx, 32 test [ebx+TASKDATA.event_mask], 0x80000000 jz .pos_filter cmp edi, [esp] ; skip if filtration active jne .skip ;-------------------------------------- align 4 .pos_filter: test [ebx+TASKDATA.event_mask], 0x40000000 jz .set mov esi, [ebx-twdw+WDATA.box.left] cmp eax, esi jb .skip add esi, [ebx-twdw+WDATA.box.width] cmp eax, esi ja .skip mov esi, [ebx-twdw+WDATA.box.top] cmp edx, esi jb .skip add esi, [ebx-twdw+WDATA.box.height] cmp edx, esi ja .skip ;-------------------------------------- align 4 .set: or [edi+SLOT_BASE+APPDATA.event_mask], 100000b ; set event 6 ;-------------------------------------- align 4 .skip: loop .set_mouse_event pop eax ;-------------------------------------- align 4 mouse_not_active: cmp byte[REDRAW_BACKGROUND], 0 ; background update ? jz nobackgr cmp [background_defined], 0 jz nobackgr ;-------------------------------------- align 4 @@: push eax mov eax, [draw_data+32 + RECT.left] shl eax, 16 add eax, [draw_data+32 + RECT.right] mov [BG_Rect_X_left_right], eax ; [left]*65536 + [right] mov eax, [draw_data+32 + RECT.top] shl eax, 16 add eax, [draw_data+32 + RECT.bottom] mov [BG_Rect_Y_top_bottom], eax ; [top]*65536 + [bottom] pop eax call drawbackground ; DEBUGF 1, "K : drawbackground\n" ; DEBUGF 1, "K : backg x %x\n",[BG_Rect_X_left_right] ; DEBUGF 1, "K : backg y %x\n",[BG_Rect_Y_top_bottom] ;--------- set event 5 start ---------- push ecx edi xor edi, edi mov ecx, [TASK_COUNT] ;-------------------------------------- align 4 set_bgr_event: add edi, 256 or [edi+SLOT_BASE+APPDATA.event_mask], 10000b ; set event 5 loop set_bgr_event pop edi ecx ; call change_task - because the application must have time to call f.15.8 call change_task ;--------- set event 5 stop ----------- dec byte[REDRAW_BACKGROUND] ; 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 ;-------------------------------------- align 4 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 ;-------------------------------------- align 4 markz: mov [edx+TASKDATA.state], byte 3 add edx, 0x20 loop markz ;-------------------------------------- align 4 @@: no_mark_system_shutdown: dec byte [SYS_SHUTDOWN] je system_shutdown ;-------------------------------------- align 4 noshutdown: mov eax, [TASK_COUNT] ; termination mov ebx, TASK_DATA+TASKDATA.state mov esi, 1 ;-------------------------------------- align 4 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 ;----------------------------------------------------------------------------- align 4 redrawscreen: ; eax , if process window_data base is eax, do not set flag/limits pushad push eax ;;; mov ebx,2 ;;; call delay_hs ;mov ecx,0 ; redraw flags for apps xor ecx, ecx ;-------------------------------------- align 4 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 ;-------------------------------------- align 4 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 ;-------------------------------------- align 4 @@: mov ebx, [draw_limits.top] cmp ebx, [eax+RECT.top] jae @f mov [eax+RECT.top], ebx mov dl, 1 ;-------------------------------------- align 4 @@: mov ebx, [draw_limits.right] cmp ebx, [eax+RECT.right] jbe @f mov [eax+RECT.right], ebx mov dl, 1 ;-------------------------------------- align 4 @@: mov ebx, [draw_limits.bottom] cmp ebx, [eax+RECT.bottom] jbe @f mov [eax+RECT.bottom], ebx mov dl, 1 ;-------------------------------------- align 4 @@: add byte[REDRAW_BACKGROUND], dl jmp newdw8 ;-------------------------------------- align 4 .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] ;-------------------------------------- align 4 newdw8: nobgrd: mov [eax + WDATA.fl_redraw], byte 1 ; mark as redraw ;-------------------------------------- align 4 ricino: not_this_task: pop ecx cmp ecx, [TASK_COUNT] jle newdw2 pop eax popad ret ;----------------------------------------------------------------------------- align 4 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! ret ;----------------------------------------------------------------------------- uglobal imax dd 0x0 endg ;----------------------------------------------------------------------------- align 4 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 ;-------------------------------------- align 4 cnt1: in al, 0x61 and al, 0x10 cmp al, ah jz cnt1 mov ah, al loop cnt1 pop ecx pop eax ret ;----------------------------------------------------------------------------- align 4 set_app_param: mov edi, [TASK_BASE] mov eax, ebx btr eax, 3 ; move MOUSE_FILTRATION mov ebx, [current_slot] ; bit into event_filter setc byte [ebx+APPDATA.event_filter] xchg eax, [edi + TASKDATA.event_mask] ; set new event mask mov [esp+32], eax ; return old mask value ret ;----------------------------------------------------------------------------- align 4 delay_hs: ; delay in 1/100 secs ; ebx = delay time push ecx push edx mov edx, [timer_ticks] ;-------------------------------------- align 4 newtic: mov ecx, [timer_ticks] sub ecx, edx cmp ecx, ebx jae zerodelay call change_task jmp newtic ;-------------------------------------- align 4 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 ;-------------------------------------- align 4 @@: rep movsb ;-------------------------------------- align 4 .finish: pop ecx edi esi ;-------------------------------------- align 4 .ret: ret ;----------------------------------------------------------------------------- ; Sysfunction 34, read_floppy_file, is obsolete. Use 58 or 70 function instead. ;align 4 ; ;read_floppy_file: ; ;; as input ;; ;; eax pointer to file ;; ebx file lenght ;; ecx start 512 byte block number ;; edx number of blocks to read ;; esi pointer to return/work area (atleast 20 000 bytes) ;; ;; ;; on return ;; ;; eax = 0 command succesful ;; 1 no fd base and/or partition defined ;; 2 yet unsupported FS ;; 3 unknown FS ;; 4 partition not defined at hd ;; 5 file not found ;; ebx = size of file ; ; mov edi,[TASK_BASE] ; add edi,0x10 ; add esi,[edi] ; add eax,[edi] ; ; pushad ; mov edi,esi ; add edi,1024 ; mov esi,0x100000+19*512 ; sub ecx,1 ; shl ecx,9 ; add esi,ecx ; shl edx,9 ; mov ecx,edx ; cld ; rep movsb ; popad ; ; mov [esp+36],eax ; mov [esp+24],ebx ; ret align 4 set_io_access_rights: push edi eax mov edi, tss._io_map_0 ; mov ecx,eax ; and ecx,7 ; offset in byte ; shr eax,3 ; number of byte ; add edi,eax ; mov ebx,1 ; shl ebx,cl test ebp, ebp ; cmp ebp,0 ; enable access - ebp = 0 jnz .siar1 ; not ebx ; and [edi],byte bl btr [edi], eax pop eax edi ret .siar1: bts [edi], eax ; or [edi],byte bl ; disable access - ebp = 1 pop eax edi ret ;reserve/free group of ports ; * eax = 46 - number function ; * ebx = 0 - reserve, 1 - free ; * ecx = number start arrea of ports ; * edx = number end arrea of ports (include last number of port) ;Return value: ; * eax = 0 - succesful ; * eax = 1 - error ; * The system has reserve this ports: ; 0..0x2d, 0x30..0x4d, 0x50..0xdf, 0xe5..0xff (include last number of port). ;destroys eax,ebx, ebp r_f_port_area: test ebx, ebx jnz free_port_area ; je r_port_area ; jmp free_port_area ; r_port_area: ; pushad cmp ecx, edx ; beginning > end ? ja rpal1 cmp edx, 65536 jae rpal1 mov eax, [RESERVED_PORTS] test eax, eax ; no reserved areas ? je rpal2 cmp eax, 255 ; max reserved jae rpal1 rpal3: mov ebx, eax shl ebx, 4 add ebx, RESERVED_PORTS cmp ecx, [ebx+8] ja rpal4 cmp edx, [ebx+4] jae rpal1 ; jb rpal4 ; jmp rpal1 rpal4: dec eax jnz rpal3 jmp rpal2 rpal1: ; popad ; mov eax,1 xor eax, eax inc eax ret rpal2: ; popad ; enable port access at port IO map cli pushad ; start enable io map cmp edx, 65536;16384 jae no_unmask_io; jge mov eax, ecx ; push ebp xor ebp, ebp ; enable - eax = port new_port_access: ; pushad call set_io_access_rights ; popad inc eax cmp eax, edx jbe new_port_access ; pop ebp no_unmask_io: popad ; end enable io map sti mov eax, [RESERVED_PORTS] add eax, 1 mov [RESERVED_PORTS], eax shl eax, 4 add eax, RESERVED_PORTS mov ebx, [TASK_BASE] mov ebx, [ebx+TASKDATA.pid] mov [eax], ebx mov [eax+4], ecx mov [eax+8], edx xor eax, eax ret free_port_area: ; pushad mov eax, [RESERVED_PORTS]; no reserved areas ? test eax, eax jz frpal2 mov ebx, [TASK_BASE] mov ebx, [ebx+TASKDATA.pid] frpal3: mov edi, eax shl edi, 4 add edi, RESERVED_PORTS cmp ebx, [edi] jne frpal4 cmp ecx, [edi+4] jne frpal4 cmp edx, [edi+8] jne frpal4 jmp frpal1 frpal4: dec eax jnz frpal3 frpal2: ; popad inc eax ret frpal1: push ecx mov ecx, 256 sub ecx, eax shl ecx, 4 mov esi, edi add esi, 16 cld rep movsb dec dword [RESERVED_PORTS] ;popad ;disable port access at port IO map ; pushad ; start disable io map pop eax ;start port cmp edx, 65536;16384 jge no_mask_io ; mov eax,ecx xor ebp, ebp inc ebp new_port_access_disable: ; pushad ; mov ebp,1 ; disable - eax = port call set_io_access_rights ; popad inc eax cmp eax, edx jbe new_port_access_disable no_mask_io: ; popad ; end disable io map xor eax, eax ret ;----------------------------------------------------------------------------- align 4 drawbackground: dbrv20: cmp [BgrDrawMode], dword 1 jne bgrstr call vesa20_drawbackground_tiled ; call [draw_pointer] call __sys_draw_pointer ret ;-------------------------------------- align 4 bgrstr: call vesa20_drawbackground_stretch ; call [draw_pointer] call __sys_draw_pointer ret ;----------------------------------------------------------------------------- align 4 syscall_putimage: ; PutImage sys_putimage: test ecx, 0x80008000 jnz .exit test ecx, 0x0000FFFF jz .exit test ecx, 0xFFFF0000 jnz @f ;-------------------------------------- align 4 .exit: ret ;-------------------------------------- align 4 @@: 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 ;-------------------------------------- align 4 .forced: push ebp esi 0 mov ebp, putimage_get24bpp mov esi, putimage_init24bpp ;-------------------------------------- align 4 sys_putimage_bpp: call vesa20_putimage pop ebp esi ebp ret ; 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 ;-------------------------------------- align 4 .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 ;-------------------------------------- align 4 @@: cmp esi, 2 jnz @f push edi push 0ffffff80h mov edi, esp call put_2bit_image pop eax pop edi ret ;-------------------------------------- align 4 @@: cmp esi, 4 jnz @f push edi push 0ffffff80h mov edi, esp call put_4bit_image pop eax pop edi ret ;-------------------------------------- align 4 @@: push ebp esi ebp cmp esi, 8 jnz @f mov ebp, putimage_get8bpp mov esi, putimage_init8bpp jmp sys_putimage_bpp ;-------------------------------------- align 4 @@: cmp esi, 15 jnz @f mov ebp, putimage_get15bpp mov esi, putimage_init15bpp jmp sys_putimage_bpp ;-------------------------------------- align 4 @@: cmp esi, 16 jnz @f mov ebp, putimage_get16bpp mov esi, putimage_init16bpp jmp sys_putimage_bpp ;-------------------------------------- align 4 @@: cmp esi, 24 jnz @f mov ebp, putimage_get24bpp mov esi, putimage_init24bpp jmp sys_putimage_bpp ;-------------------------------------- align 4 @@: cmp esi, 32 jnz @f mov ebp, putimage_get32bpp mov esi, putimage_init32bpp jmp sys_putimage_bpp ;-------------------------------------- align 4 @@: pop ebp esi ebp ret ;----------------------------------------------------------------------------- align 4 put_mono_image: push ebp esi ebp mov ebp, putimage_get1bpp mov esi, putimage_init1bpp jmp sys_putimage_bpp ;----------------------------------------------------------------------------- align 4 put_2bit_image: push ebp esi ebp mov ebp, putimage_get2bpp mov esi, putimage_init2bpp jmp sys_putimage_bpp ;----------------------------------------------------------------------------- align 4 put_4bit_image: push ebp esi ebp mov ebp, putimage_get4bpp mov esi, putimage_init4bpp jmp sys_putimage_bpp ;----------------------------------------------------------------------------- align 4 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 ;----------------------------------------------------------------------------- align 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 ;----------------------------------------------------------------------------- align 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 ;----------------------------------------------------------------------------- align 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 ;----------------------------------------------------------------------------- align 4 putimage_init32bpp: shl eax, 2 ret ;----------------------------------------------------------------------------- align 16 putimage_get32bpp: lodsd ret 4 ;----------------------------------------------------------------------------- align 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 ;----------------------------------------------------------------------------- ;align 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] ;-------------------------------------- ;align 4 ;.forced: ; call vesa20_drawbar ; call [draw_pointer] ; ret ;----------------------------------------------------------------------------- align 4 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 ;----------------------------------------------------------------------------- align 4 kb_write: push ecx edx mov dl, al ; mov ecx,0x1ffff ; last 0xffff, new value in view of fast CPU's ; kw_loop1: ; in al,0x64 ; test al,0x20 ; jz kw_ok1 ; loop kw_loop1 ; mov ah,1 ; jmp kw_exit ; kw_ok1: 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 ;----------------------------------------------------------------------------- align 4 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 setmouse: ; set mousepicture -pointer ; ps2 mouse enable ; mov [MOUSE_PICTURE], dword mousepointer cli ret if used _rdtsc _rdtsc: bt [cpu_caps], CAPS_TSC jnc ret_rdtsc rdtsc ret ret_rdtsc: mov edx, 0xffffffff mov eax, 0xffffffff ret end if 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 if defined debug_com_base push dx ax @@: ; Wait for empty transmit register (yes, this slows down system..) mov dx, debug_com_base+5 in al, dx test al, 1 shl 5 jz @r mov dx, debug_com_base ; Output the byte mov al, bl out dx, al pop ax dx end if 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 mov edx, [TASK_BASE] add eax, [edx-twdw+WDATA.box.left] add ebx, [edx-twdw+WDATA.box.top] mov edi, [current_slot] add eax, [edi+APPDATA.wnd_clientbox.left] add ebx, [edi+APPDATA.wnd_clientbox.top] xor edi, edi ; no force and ecx, 0xFBFFFFFF ;negate 0x04000000 save to mouseunder area ; jmp [putpixel] jmp __sys_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 test ecx, 0x08000000 ; redirect the output to the user area jnz dtext 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] jmp vesa20_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 syscall_cdaudio: ; CD cmp ebx, 4 jb .audio jz .eject cmp ebx, 5 jnz .ret .load: call .reserve call LoadMedium ;call .free jmp .free ; ret .eject: call .reserve call clear_CD_cache call allow_medium_removal call EjectMedium ; call .free jmp .free ; ret .audio: call sys_cd_audio mov [esp+36-4], eax .ret: ret .reserve: call reserve_cd mov eax, ecx shr eax, 1 and eax, 1 inc eax mov [ChannelNumber], ax mov eax, ecx and eax, 1 mov [DiskNumber], al call reserve_cd_channel and ebx, 3 inc ebx mov [cdpos], ebx add ebx, ebx mov cl, 8 sub cl, bl mov al, [DRIVE_DATA+1] shr al, cl test al, 2 jz .free;.err ret .free: call free_cd_channel and [cd_status], 0 ret .err: call .free ; pop eax ret ;----------------------------------------------------------------------------- align 4 syscall_getpixel_WinMap: ; GetPixel WinMap cmp ebx, [Screen_Max_X] jbe @f cmp ecx, [Screen_Max_Y] jbe @f xor eax, eax jmp .store ;-------------------------------------- align 4 @@: mov eax, [d_width_calc_area + ecx*4] add eax, [_WinMapAddress] movzx eax, byte[eax+ebx] ; get value for current point ;-------------------------------------- align 4 .store: mov [esp + 32], eax ret ;----------------------------------------------------------------------------- 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 and ecx, 0xFBFFFFFF ;negate 0x04000000 use mouseunder area call dword [GETPIXEL]; 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 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 ;-------------------------------------- align 4 .start_y: push ecx edx ;-------------------------------------- align 4 .start_x: push eax ebx ecx add eax, ecx and ecx, 0xFBFFFFFF ;negate 0x04000000 use mouseunder area call dword [GETPIXEL]; 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 popad ret ;----------------------------------------------------------------------------- align 4 syscall_putarea_backgr: ;eax = 25 ;ebx = pointer to bufer for img BBGGRRBBGGRR... ;ecx = [size x]*65536 + [size y] ;edx = [start x]*65536 + [start y] pushad 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 shl ebp, 2 imul ebp, esi mov esi, ecx dec esi shl esi, 2 add ebp, esi add ebp, edi add ebx, edx ;-------------------------------------- align 4 .start_y: push ecx edx ;-------------------------------------- align 4 .start_x: push eax ecx add eax, ecx mov ecx, [ebp] rol ecx, 8 test cl, cl ; transparensy = 0 jz .no_put xor cl, cl ror ecx, 8 pushad mov edx, [d_width_calc_area + ebx*4] add edx, [_WinMapAddress] movzx edx, byte [eax+edx] cmp dl, byte 1 jne @f call dword [PUTPIXEL]; eax - x, ebx - y ;-------------------------------------- align 4 @@: popad ;-------------------------------------- align 4 .no_put: pop ecx eax sub ebp, 4 dec ecx jnz .start_x pop edx ecx dec ebx dec edx jnz .start_y 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] jmp __sys_draw_line 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 paleholder: ret ;------------------------------------------------------------------------------ align 4 calculate_fast_getting_offset_for_WinMapAddress: ; calculate data area for fast getting offset to _WinMapAddress xor eax, eax mov ecx, [_display.height] inc ecx mov edi, d_width_calc_area cld @@: stosd add eax, [_display.width] dec ecx jnz @r ret ;------------------------------------------------------------------------------ align 4 calculate_fast_getting_offset_for_LFB: ; calculate data area for fast getting offset to LFB xor eax, eax mov ecx, [_display.height] inc ecx mov edi, BPSLine_calc_area cld @@: stosd add eax, [BytesPerScanLine] dec ecx jnz @r 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 call calculate_fast_getting_offset_for_WinMapAddress ; for Qemu or non standart video cards ; Unfortunately [BytesPerScanLine] does not always ; equal to [_display.width] * [ScreenBPP] / 8 call calculate_fast_getting_offset_for_LFB 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 --------------------- uglobal apm_entry dp 0 apm_vf dd 0 endg align 4 sys_apm: xor eax, eax cmp word [apm_vf], ax ; Check APM BIOS enable jne @f inc eax or dword [esp + 44], eax ; error add eax, 7 mov dword [esp + 32], eax ; 32-bit protected-mode interface not supported ret @@: ; xchg eax, ecx ; xchg ebx, ecx cmp dx, 3 ja @f and [esp + 44], byte 0xfe ; emulate func 0..3 as func 0 mov eax, [apm_vf] mov [esp + 32], eax shr eax, 16 mov [esp + 28], eax ret @@: mov esi, [master_tab+(OS_BASE shr 20)] xchg [master_tab], esi push esi mov edi, cr3 mov cr3, edi ;flush TLB call pword [apm_entry] ;call APM BIOS xchg eax, [esp] mov [master_tab], eax mov eax, cr3 mov cr3, eax pop eax mov [esp + 4 ], edi mov [esp + 8], esi mov [esp + 20], ebx mov [esp + 24], edx mov [esp + 28], ecx mov [esp + 32], eax setc al and [esp + 44], byte 0xfe or [esp + 44], al 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 push 3 ; stop playing cd pop eax call sys_cd_audio yes_shutdown_param: cli if ~ defined extended_primary_loader mov eax, kernel_file ; load kernel.mnt to 0x7000:0 push 12 pop esi xor ebx, ebx or ecx, -1 mov edx, OS_BASE+0x70000 call fileread mov esi, restart_kernel_4000+OS_BASE+0x10000 ; move kernel re-starter to 0x4000:0 mov edi, OS_BASE+0x40000 mov ecx, 1000 rep movsb end if mov esi, BOOT_VAR ; restore 0x0 - 0xffff mov edi, OS_BASE mov ecx, 0x10000/4 cld rep movsd call restorefatchain call IRQ_mask_all if 0 mov word [OS_BASE+0x467+0], pr_mode_exit mov word [OS_BASE+0x467+2], 0x1000 mov al, 0x0F out 0x70, al mov al, 0x05 out 0x71, al mov al, 0xFE out 0x64, al hlt jmp $-1 else cmp byte [OS_BASE + 0x9030], 2 jnz no_acpi_power_off ; scan for RSDP ; 1) The first 1 Kb of the Extended BIOS Data Area (EBDA). movzx eax, word [OS_BASE + 0x40E] shl eax, 4 jz @f mov ecx, 1024/16 call scan_rsdp jnc .rsdp_found @@: ; 2) The BIOS read-only memory space between 0E0000h and 0FFFFFh. mov eax, 0xE0000 mov ecx, 0x2000 call scan_rsdp jc no_acpi_power_off .rsdp_found: mov esi, [eax+16] ; esi contains physical address of the RSDT mov ebp, [ipc_tmp] stdcall map_page, ebp, esi, PG_MAP lea eax, [esi+1000h] lea edx, [ebp+1000h] stdcall map_page, edx, eax, PG_MAP and esi, 0xFFF add esi, ebp cmp dword [esi], 'RSDT' jnz no_acpi_power_off mov ecx, [esi+4] sub ecx, 24h jbe no_acpi_power_off shr ecx, 2 add esi, 24h .scan_fadt: lodsd mov ebx, eax lea eax, [ebp+2000h] stdcall map_page, eax, ebx, PG_MAP lea eax, [ebp+3000h] add ebx, 0x1000 stdcall map_page, eax, ebx, PG_MAP and ebx, 0xFFF lea ebx, [ebx+ebp+2000h] cmp dword [ebx], 'FACP' jz .fadt_found loop .scan_fadt jmp no_acpi_power_off .fadt_found: ; ebx is linear address of FADT mov edi, [ebx+40] ; physical address of the DSDT lea eax, [ebp+4000h] stdcall map_page, eax, edi, PG_MAP lea eax, [ebp+5000h] lea esi, [edi+0x1000] stdcall map_page, eax, esi, PG_MAP and esi, 0xFFF sub edi, esi cmp dword [esi+ebp+4000h], 'DSDT' jnz no_acpi_power_off mov eax, [esi+ebp+4004h] ; DSDT length sub eax, 36+4 jbe no_acpi_power_off add esi, 36 .scan_dsdt: cmp dword [esi+ebp+4000h], '_S5_' jnz .scan_dsdt_cont cmp byte [esi+ebp+4000h+4], 12h ; DefPackage opcode jnz .scan_dsdt_cont mov dl, [esi+ebp+4000h+6] cmp dl, 4 ; _S5_ package must contain 4 bytes ; ...in theory; in practice, VirtualBox has 2 bytes ja .scan_dsdt_cont cmp dl, 1 jb .scan_dsdt_cont lea esi, [esi+ebp+4000h+7] xor ecx, ecx cmp byte [esi], 0 ; 0 means zero byte, 0Ah xx means byte xx jz @f cmp byte [esi], 0xA jnz no_acpi_power_off inc esi mov cl, [esi] @@: inc esi cmp dl, 2 jb @f cmp byte [esi], 0 jz @f cmp byte [esi], 0xA jnz no_acpi_power_off inc esi mov ch, [esi] @@: jmp do_acpi_power_off .scan_dsdt_cont: inc esi cmp esi, 0x1000 jb @f sub esi, 0x1000 add edi, 0x1000 push eax lea eax, [ebp+4000h] stdcall map_page, eax, edi, PG_MAP push PG_MAP lea eax, [edi+1000h] push eax lea eax, [ebp+5000h] push eax stdcall map_page pop eax @@: dec eax jnz .scan_dsdt jmp no_acpi_power_off do_acpi_power_off: mov edx, [ebx+48] test edx, edx jz .nosmi mov al, [ebx+52] out dx, al mov edx, [ebx+64] @@: in ax, dx test al, 1 jz @b .nosmi: and cx, 0x0707 shl cx, 2 or cx, 0x2020 mov edx, [ebx+64] in ax, dx and ax, 203h or ah, cl out dx, ax mov edx, [ebx+68] test edx, edx jz @f in ax, dx and ax, 203h or ah, ch out dx, ax @@: jmp $ no_acpi_power_off: mov word [OS_BASE+0x467+0], pr_mode_exit mov word [OS_BASE+0x467+2], 0x1000 mov al, 0x0F out 0x70, al mov al, 0x05 out 0x71, al mov al, 0xFE out 0x64, al hlt jmp $-1 scan_rsdp: add eax, OS_BASE .s: cmp dword [eax], 'RSD ' jnz .n cmp dword [eax+4], 'PTR ' jnz .n xor edx, edx xor esi, esi @@: add dl, [eax+esi] inc esi cmp esi, 20 jnz @b test dl, dl jz .ok .n: add eax, 10h loop .s stc .ok: ret end if include "data32.inc" __REV__ = __REV uglobals_size = $ - endofcode diff16 "end of kernel code",0,$