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kolibrios-gitea/kernel/branches/Kolibri-A/trunk/kernel.asm
Artem Jerdev (art_zh) 2a927db105 direct detection of available memory 
git-svn-id: svn://kolibrios.org@2047 a494cfbc-eb01-0410-851d-a64ba20cac60
2011-08-14 09:08:02 +00:00

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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;
;; Copyright (C) KolibriOS team 2004-2010. 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 (<Lrz>)
;; Artem Jerdev (art_zh)
;;
;; Data in this file was originally part of MenuetOS project which is
;; distributed under the terms of GNU GPL. It is modified and redistributed as
;; part of KolibriOS project under the terms of GNU GPL.
;;
;; Copyright (C) MenuetOS 2000-2004 Ville Mikael Turjanmaa
;; PROGRAMMING:
;;
;; Ville Mikael Turjanmaa, villemt@itu.jyu.fi
;; - main os coding/design
;; Jan-Michael Brummer, BUZZ2@gmx.de
;; Felix Kaiser, info@felix-kaiser.de
;; Paolo Minazzi, paolo.minazzi@inwind.it
;; quickcode@mail.ru
;; Alexey, kgaz@crosswinds.net
;; Juan M. Caravaca, bitrider@wanadoo.es
;; kristol@nic.fi
;; Mike Hibbett, mikeh@oceanfree.net
;; Lasse Kuusijarvi, kuusijar@lut.fi
;; Jarek Pelczar, jarekp3@wp.pl
;;
;; KolibriOS is distributed in the hope that it will be useful, but WITHOUT ANY
;; WARRANTY. No author or distributor accepts responsibility to anyone for the
;; consequences of using it or for whether it serves any particular purpose or
;; works at all, unless he says so in writing. Refer to the GNU General Public
;; License (the "GPL") for full details.
;
;; Everyone is granted permission to copy, modify and redistribute KolibriOS,
;; but only under the conditions described in the GPL. A copy of this license
;; is supposed to have been given to you along with KolibriOS so you can know
;; your rights and responsibilities. It should be in a file named COPYING.
;; Among other things, the copyright notice and this notice must be preserved
;; on all copies.
;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
include 'macros.inc'
$Revision$
USE_COM_IRQ equ 1 ; make irq 3 and irq 4 available for PCI devices
include "proc32.inc"
include "kglobals.inc"
include "const.inc"
max_processes equ 255
tss_step equ (128+8192) ; tss & i/o - 65535 ports, * 256=557056*4
os_stack equ (os_data_l-gdts) ; GDTs
os_code equ (os_code_l-gdts)
graph_data equ (3+graph_data_l-gdts)
tss0 equ (tss0_l-gdts)
app_code equ (3+app_code_l-gdts)
app_data equ (3+app_data_l-gdts)
app_tls equ (3+tls_data_l-gdts)
pci_code_sel equ (pci_code_32-gdts)
pci_data_sel equ (pci_data_32-gdts)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;
;; Included files:
;;
;; Kernel16.inc
;; - 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"
include "boot/booteng.inc" ; english system boot messages
include "boot/bootcode.inc" ; 16 bit system boot code
include "bus/pci/pci16.inc"
include "detect/biosdisk.inc"
diff16 "end of code16 ",0,$
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; ;;
;; 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
diff16 "end of tmp_gdt ",0,$
include "data16.inc"
use32
org $+0x10000
align 4
B32:
diff16 "32-bit code start ",0,$
mov ax,os_stack ; Selector for os
mov ds,ax
mov es,ax
mov fs,ax
mov gs,ax
mov ss,ax
mov esp,0x4ec00 ; Set stack
;-------------------------------------------------------------------------------
call preinit_mem ; (init.inc)
call test_cpu ; (init.inc - to be moved to bus/CPU.inc)
bts [cpu_caps-OS_BASE], CAPS_TSC ;force use rdtsc
call init_BIOS32 ; (init.inc - to be removed later)
; PCIe extended config space access
display '** Platform chosen (const.inc): '
if PLATFORM>PLATFORM_RS780
call fusion_pcie_init ; (bus/HT.inc)
display 'RS880/Fusion '
else
call rs7xx_pcie_init ; (bus/HT.inc)
display 'RS780 '
end if
display 10,13
; MEMORY MODEL
call init_mem ; (init.inc)
call init_page_map ; (init.inc)
; ENABLE PAGING
mov eax, sys_pgdir-OS_BASE
mov cr3, eax
mov eax,cr0
or eax,CR0_PG+CR0_WP
mov cr0,eax
lgdt [gdts]
jmp pword os_code:high_code
align 4
bios32_entry dd ?
tmp_page_tabs dd ?
;use16
;org $-0x10000
;include "boot/shutdown.inc" ; shutdown or restart
;org $+0x10000
use32
__DEBUG__ fix 1
__DEBUG_LEVEL__ fix 1
include 'init.inc'
org OS_BASE+$
align 4
high_code:
mov ax, os_stack
mov bx, app_data
mov cx, app_tls
mov ss, ax
add esp, OS_BASE
mov ds, bx
mov es, bx
mov fs, cx
mov gs, bx
bt [cpu_caps], CAPS_PGE
jnc @F
or dword [sys_pgdir+(OS_BASE shr 20)], PG_GLOBAL
mov ebx, cr4
or ebx, CR4_PGE
mov cr4, ebx
@@:
xor eax, eax
mov dword [sys_pgdir], eax
mov dword [sys_pgdir+4], eax
mov eax, cr3
mov cr3, eax ; flush TLB
; SAVE REAL MODE VARIABLES
mov ax, [BOOT_VAR + 0x9031]
mov [IDEContrRegsBaseAddr], ax
; --------------- APM ---------------------
; init selectors
mov ebx,[BOOT_VAR+0x9040] ; offset of APM entry point
movzx eax,word [BOOT_VAR+0x9050] ; real-mode segment base address of
; protected-mode 32-bit code segment
movzx ecx,word [BOOT_VAR+0x9052] ; real-mode segment base address of
; protected-mode 16-bit code segment
movzx edx,word [BOOT_VAR+0x9054] ; 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 + 0x9044] ; version & flags
mov [apm_vf], eax
; -----------------------------------------
mov al, [BOOT_VAR+0x901F] ; DMA access
mov [allow_dma_access], al
mov eax, 32 ; bpp
mov [ScreenBPP],al
mov [_display.bpp], eax
mov [_display.vrefresh], 60
mov [_display.disable_mouse], __sys_disable_mouse
movzx eax,word [BOOT_VAR+0x900A] ; X max
mov [_display.width], eax
dec eax
mov [Screen_Max_X],eax
mov [screen_workarea.right],eax
movzx eax,word [BOOT_VAR+0x900C] ; Y max
mov [_display.height], eax
dec eax
mov [Screen_Max_Y],eax
mov [screen_workarea.bottom],eax
movzx eax,word [BOOT_VAR+0x9008] ; screen mode
mov [SCR_MODE],eax
movzx eax, word[BOOT_VAR+0x9001] ; for other modes
mov [BytesPerScanLine],ax
mov [_display.pitch], eax
mov eax, [_display.width]
mul [_display.height]
mov [_WinMapSize], eax
mov esi, BOOT_VAR+0x9080
movzx ecx, byte [esi-1]
mov [NumBiosDisks], ecx
mov edi, BiosDisksData
rep movsd
; GRAPHICS ADDRESSES
and byte [BOOT_VAR+0x901e],0x0
mov eax,[BOOT_VAR+0x9018]
mov [LFBAddress],eax
cmp [SCR_MODE],word 0100000000000000b
jge setvesa20
mov eax, 0xDEADBEEF
hlt
; === EGA, VGA & Vesa 1.2 modes not supported ===
setvesa20:
v20ga32:
mov [PUTPIXEL],dword __sys_putpixel
mov [GETPIXEL],dword get_pixel
; -------- Fast System Call init ----------
.SEnP:
; AMD SYSCALL/SYSRET
mov ecx, MSR_AMD_EFER
rdmsr
or eax, 1 ; bit_0 - System Call Extension (SCE)
wrmsr
; Bits of EDX :
; Bit 31..16 During the SYSRET instruction, this field is copied into the CS register
; and the contents of this field, plus 8, are copied into the SS register.
; Bit 15..0 During the SYSCALL instruction, this field is copied into the CS register
; and the contents of this field, plus 8, are copied into the SS register.
mov edx, 0x1B000B ; RING3 task stack will be used for fast syscalls!
mov eax, syscall_entry
mov ecx, MSR_AMD_STAR
wrmsr
.noSYSCALL:
; -----------------------------------------
stdcall alloc_page
stdcall map_page, tss-0xF80, eax, PG_SW ; lower 0xF80 bytes might be used for something
stdcall alloc_page
inc eax
mov [SLOT_BASE+256+APPDATA.io_map], eax
stdcall map_page, tss+0x80, eax, PG_SW
stdcall alloc_page
inc eax
mov dword [SLOT_BASE+256+APPDATA.io_map+4], eax
stdcall map_page, tss+0x1080, eax, PG_SW
; LOAD IDT
call build_interrupt_table ;lidt is executed
call init_kernel_heap
stdcall kernel_alloc, RING0_STACK_SIZE+512
mov [os_stack_seg], eax
lea esp, [eax+RING0_STACK_SIZE]
mov [tss._ss0], os_stack
mov [tss._esp0], esp
mov [tss._esp], esp
mov [tss._cs],os_code
mov [tss._ss],os_stack
mov [tss._ds],app_data
mov [tss._es],app_data
mov [tss._fs],app_data
mov [tss._gs],app_data
mov [tss._io],128
;Add IO access table - bit array of permitted ports
mov edi, tss._io_map_0
xor eax, eax
mov ecx, 2047
rep stosd ; access to 65504 ports granted
not eax ; the last 32 ports blocked
stosd
mov ax,tss0
ltr ax
mov [LFBSize], 0x800000
call init_LFB
call init_fpu
call init_malloc
;-
stdcall alloc_kernel_space, 0x51000
mov [default_io_map], eax
add eax, 0x2000
mov [ipc_tmp], eax
mov ebx, 0x1000
add eax, 0x40000
mov [proc_mem_map], eax
add eax, 0x8000
mov [proc_mem_pdir], eax
add eax, ebx
mov [proc_mem_tab], eax
add eax, ebx
mov [tmp_task_pdir], eax
add eax, ebx
mov [tmp_task_ptab], eax
add eax, ebx
mov [ipc_pdir], eax
add eax, ebx
mov [ipc_ptab], eax
stdcall kernel_alloc, (unpack.LZMA_BASE_SIZE+(unpack.LZMA_LIT_SIZE shl \
(unpack.lc+unpack.lp)))*4
mov [unpack.p], eax
call init_events
mov eax, srv.fd-SRV_FD_OFFSET
mov [srv.fd], eax
mov [srv.bk], eax
mov edi, irq_tab
xor eax, eax
mov ecx, 16
rep stosd
;Set base of graphic segment to linear address of LFB
mov eax,[LFBAddress] ; set for gs
mov [graph_data_l+2],ax
shr eax,16
mov [graph_data_l+4],al
mov [graph_data_l+7],ah
; or [KERNEL_ALLOC_FLAG], dword PG_NOCACHE ;<<<<<<<<<<<<<<<<
stdcall kernel_alloc, [_WinMapSize]
mov [_WinMapAddress], eax
; xor [KERNEL_ALLOC_FLAG], dword PG_NOCACHE ;<<<<<<<<<<<<<<<<
xor eax,eax
inc eax
mov [CURRENT_TASK],eax ;dword 1
mov [TASK_COUNT],eax ;dword 1
mov [TASK_BASE],dword TASK_DATA
mov [current_slot], SLOT_BASE+256
; set background
mov [BgrDrawMode],eax
mov [BgrDataWidth],eax
mov [BgrDataHeight],eax
mov [mem_BACKGROUND], 4
mov [img_background], static_background_data
mov [SLOT_BASE + 256 + APPDATA.dir_table], sys_pgdir - OS_BASE
stdcall kernel_alloc, 0x10000/8
mov edi, eax
mov [network_free_ports], eax
or eax, -1
mov ecx, 0x10000/32
rep stosd
; REDIRECT ALL IRQ'S TO INT'S 0x20-0x2f
call rerouteirqs
; Initialize system V86 machine
call init_sys_v86
; TIMER SET TO 1/100 S
mov al,0x34 ; set to 100Hz
out 0x43,al
mov al,0x9b ; lsb 1193180 / 1193
out 0x40,al
mov al,0x2e ; msb
out 0x40,al
; Enable timer IRQ (IRQ0) and hard drives IRQs (IRQ14, IRQ15)
; they are used: when partitions are scanned, hd_read relies on timer
; Also enable IRQ2, because in some configurations
; IRQs from slave controller are not delivered until IRQ2 on master is enabled
mov al, 0xFA
out 0x21, al
mov al, 0x3F
out 0xA1, al
; Enable interrupts in IDE controller
mov al, 0
mov dx, 0x3F6
out dx, al
mov dl, 0x76
out dx, al
;!!!!!!!!!!!!!!!!!!!!!!!!!!
include 'detect/disks.inc'
;!!!!!!!!!!!!!!!!!!!!!!!!!!
call Parser_params
; READ RAMDISK IMAGE FROM HD
;!!!!!!!!!!!!!!!!!!!!!!!
;include 'boot/rdload.inc'
;!!!!!!!!!!!!!!!!!!!!!!!
; mov [dma_hdd],1
; CALCULATE FAT CHAIN FOR RAMDISK
call calculatefatchain
; LOAD VMODE DRIVER
;!!!!!!!!!!!!!!!!!!!!!!!
include 'vmodeld.inc'
;!!!!!!!!!!!!!!!!!!!!!!!
; LOAD FONTS I and II
stdcall read_file, char, FONT_I, 0, 2304
stdcall read_file, char2, FONT_II, 0, 2560
; mov esi,boot_fonts
; call boot_log
; PRINT AMOUNT OF MEMORY
; mov esi, boot_memdetect
; call boot_log
movzx ecx, word [boot_y]
or ecx, (10+29*6) shl 16 ; "Determining amount of memory"
sub ecx, 10
mov edx, 0xFFFFFF
mov ebx, [MEM_AMOUNT]
shr ebx, 20
xor edi,edi
mov eax, 0x00040000
inc edi
call display_number_force
; BUILD SCHEDULER
call build_scheduler ; sys32.inc
; mov esi,boot_devices
; call boot_log
mov [pci_access_enabled],1
; SET PRELIMINARY WINDOW STACK AND POSITIONS
mov esi,boot_windefs
call boot_log
call set_window_defaults
; SET BACKGROUND DEFAULTS
; mov esi,boot_bgr
; call boot_log
call init_background ;
call calculatebackground
; SET UP OS TASK
; mov esi,boot_setostask
; call boot_log
xor eax, eax
mov dword [SLOT_BASE+APPDATA.fpu_state], fpu_data
mov dword [SLOT_BASE+APPDATA.exc_handler], eax
mov dword [SLOT_BASE+APPDATA.except_mask], eax
; name for OS/IDLE process
mov dword [SLOT_BASE+256+APPDATA.app_name], dword 'OS/I'
mov dword [SLOT_BASE+256+APPDATA.app_name+4], dword 'DLE '
mov edi, [os_stack_seg]
mov dword [SLOT_BASE+256+APPDATA.pl0_stack], edi
add edi, 0x2000-512
mov dword [SLOT_BASE+256+APPDATA.fpu_state], edi
mov dword [SLOT_BASE+256+APPDATA.saved_esp0], edi ; just for case
; [SLOT_BASE+256+APPDATA.io_map] was set earlier
mov esi, fpu_data
mov ecx, 512/4
cld
rep movsd
mov dword [SLOT_BASE+256+APPDATA.exc_handler], eax
mov dword [SLOT_BASE+256+APPDATA.except_mask], eax
mov ebx, SLOT_BASE+256+APP_OBJ_OFFSET
mov dword [SLOT_BASE+256+APPDATA.fd_obj], ebx
mov dword [SLOT_BASE+256+APPDATA.bk_obj], ebx
mov dword [SLOT_BASE+256+APPDATA.cur_dir], sysdir_path
mov dword [SLOT_BASE+256+APPDATA.tls_base], eax
; task list
mov dword [TASK_DATA+TASKDATA.mem_start],eax ; process base address
inc eax
mov dword [CURRENT_TASK],eax
mov dword [TASK_COUNT],eax
mov [current_slot], SLOT_BASE+256
mov [TASK_BASE],dword TASK_DATA
mov byte[TASK_DATA+TASKDATA.wnd_number],al ; on screen number
mov dword [TASK_DATA+TASKDATA.pid], eax ; process id number
call init_display
mov eax, [def_cursor]
mov [SLOT_BASE+APPDATA.cursor],eax
mov [SLOT_BASE+APPDATA.cursor+256],eax
; READ TSC / SECOND
; 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
; faster division possible:
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]
add ecx, (10+17*6) shl 16 - 10 ; 'CPU frequency is '
mov edx, 0xFFFFFF
xor edi,edi
mov eax, 0x00040000
inc edi
call display_number_force
; SET VARIABLES
call set_variables
; SET MOUSE
;call detect_devices
stdcall load_driver, szPS2MDriver
; mov esi,boot_setmouse
; call boot_log
; call setmouse
; mov [MOUSE_PICTURE],dword mousepointer
cli
; STACK AND FDC
call stack_init
call fdc_init
; LOAD DEFAULT SKIN
call load_default_skin
;protect io permission map
mov esi, [default_io_map]
stdcall map_page,esi,[SLOT_BASE+256+APPDATA.io_map], PG_MAP
add esi, 0x1000
stdcall map_page,esi,[SLOT_BASE+256+APPDATA.io_map+4], PG_MAP
stdcall map_page,tss._io_map_0,\
[SLOT_BASE+256+APPDATA.io_map], PG_MAP
stdcall map_page,tss._io_map_1,\
[SLOT_BASE+256+APPDATA.io_map+4], PG_MAP
call init_userDMA ; <<<<<<<<< ============== core/memory.inc =================
; mov esi, boot_uDMA_ok
; call boot_log
; LOAD FIRST APPLICATION
cli
cmp byte [BOOT_VAR+0x9030],1
jne no_load_vrr_m
mov ebp, vrr_m
call fs_execute_from_sysdir
; cmp eax,2 ; if vrr_m app found (PID=2)
sub eax,2
jz first_app_found
no_load_vrr_m:
mov ebp, firstapp
call fs_execute_from_sysdir
; cmp eax,2 ; continue if a process has been loaded
sub eax,2
jz first_app_found
; mov esi, boot_failed
; call boot_log
mov eax, 0xDEADBEEF ; otherwise halt
hlt
first_app_found:
cli
;mov [TASK_COUNT],dword 2
push 1
pop dword [CURRENT_TASK] ; set OS task fisrt
; SET KEYBOARD PARAMETERS
mov al, 0xf6 ; reset keyboard, scan enabled
call kb_write
; wait until 8042 is ready
xor ecx,ecx
@@:
in al,64h
and al,00000010b
loopnz @b
; mov al, 0xED ; svetodiody - 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 ]
; START MULTITASKING
;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
stdcall attach_int_handler, 1, irq1, 0
cmp [IDEContrRegsBaseAddr], 0
setnz [dma_hdd]
mov [timer_ticks_enable],1 ; for cd driver
sti
call change_task
jmp osloop ; Fly :)
diff16 "init code end: ",0,$
include 'unpacker.inc'
include 'fdo.inc'
align 4
boot_log:
pushad
mov ebx,10*65536
mov bx,word [boot_y]
add [boot_y],dword 10
mov ecx,0x80ffffff ; ASCIIZ string with white color
xor edi,edi
mov edx,esi
inc edi
call dtext
popad
ret
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
; ;
; MAIN OS LOOP START ;
; ;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
align 32
osloop:
call [draw_pointer]
call window_check_events
call mouse_check_events
call checkmisc
call stack_handler
call checkidle
jmp osloop
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
; ;
; MAIN OS LOOP END ;
; ;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
align 4
checkidle:
pushad
call change_task
jmp idle_loop_entry
idle_loop:
cmp eax,[idlemem] ; eax == [timer_ticks]
jne idle_exit
rdtsc ;call _rdtsc
mov ecx,eax
hlt
rdtsc ;call _rdtsc
sub eax,ecx
add [idleuse],eax
idle_loop_entry:
mov eax,[timer_ticks] ; eax = [timer_ticks]
cmp [check_idle_semaphore],0
je idle_loop
dec [check_idle_semaphore]
idle_exit:
mov [idlemem],eax ; eax == [timer_ticks]
popad
ret
uglobal
idlemem dd 0x0
idleuse dd 0x0
idleusesec dd 0x0
check_idle_semaphore dd 0x0
endg
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
; ;
; INCLUDED SYSTEM FILES ;
; ;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
include "kernel32.inc"
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
; ;
; KERNEL FUNCTIONS ;
; ;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
reserve_irqs_ports:
; removed
ret
setirqreadports:
; removed
ret
iglobal
process_number dd 0x1
endg
set_variables:
mov ecx,0x100 ; flush port 0x60
.fl60: in al,0x60
loop .fl60
push eax
mov ax,[BOOT_VAR+0x900c]
shr ax,1
shl eax,16
mov ax,[BOOT_VAR+0x900A]
shr ax,1
mov [MOUSE_X],eax
xor eax,eax
mov [BTN_ADDR],dword BUTTON_INFO ; address of button list
mov byte [MOUSE_BUFF_COUNT],al ; mouse buffer
mov byte [KEY_COUNT],al ; keyboard buffer
mov byte [BTN_COUNT],al ; button buffer
; mov [MOUSE_X],dword 100*65536+100 ; mouse x/y
;!! IP 04.02.2005:
mov byte [DONT_SWITCH],al ; change task if possible
pop eax
ret
align 4
;input eax=43,bl-byte of output, ecx - number of port
sys_outport:
and [esp+32],dword 1 ; for backward compatibility: operation failed
ret
display_number:
;It is not optimization
mov eax, ebx
mov ebx, ecx
mov ecx, edx
mov edx, esi
mov esi, edi
; eax = print type, al=0 -> ebx is number
; al=1 -> ebx is pointer
; ah=0 -> display decimal
; ah=1 -> display hexadecimal
; ah=2 -> display binary
; eax bits 16-21 = number of digits to display (0-32)
; eax bits 22-31 = reserved
;
; ebx = number or pointer
; ecx = x shl 16 + y
; edx = color
xor edi, edi
display_number_force:
push eax
and eax,0x3fffffff
cmp eax,0xffff ; length > 0 ?
pop eax
jge cont_displ
ret
cont_displ:
push eax
and eax,0x3fffffff
cmp eax,61*0x10000 ; length <= 60 ?
pop eax
jb cont_displ2
ret
cont_displ2:
pushad
cmp al,1 ; ecx is a pointer ?
jne displnl1
mov ebp,ebx
add ebp,4
mov ebp,[ebp+std_application_base_address]
mov ebx,[ebx+std_application_base_address]
displnl1:
sub esp,64
test ah,ah ; DECIMAL
jnz no_display_desnum
shr eax,16
and eax,0xC03f
; and eax,0x3f
push eax
and eax,0x3f
mov edi,esp
add edi,4+64-1
mov ecx,eax
mov eax,ebx
mov ebx,10
d_desnum:
xor edx,edx
call division_64_bits
div ebx
add dl,48
mov [edi],dl
dec edi
loop d_desnum
pop eax
call normalize_number
call draw_num_text
add esp,64
popad
ret
no_display_desnum:
cmp ah,0x01 ; HEXADECIMAL
jne no_display_hexnum
shr eax,16
and eax,0xC03f
; and eax,0x3f
push eax
and eax,0x3f
mov edi,esp
add edi,4+64-1
mov ecx,eax
mov eax,ebx
mov ebx,16
d_hexnum:
xor edx,edx
call division_64_bits
div ebx
hexletters = __fdo_hexdigits
add edx,hexletters
mov dl,[edx]
mov [edi],dl
dec edi
loop d_hexnum
pop eax
call normalize_number
call draw_num_text
add esp,64
popad
ret
no_display_hexnum:
cmp ah,0x02 ; BINARY
jne no_display_binnum
shr eax,16
and eax,0xC03f
; and eax,0x3f
push eax
and eax,0x3f
mov edi,esp
add edi,4+64-1
mov ecx,eax
mov eax,ebx
mov ebx,2
d_binnum:
xor edx,edx
call division_64_bits
div ebx
add dl,48
mov [edi],dl
dec edi
loop d_binnum
pop eax
call normalize_number
call draw_num_text
add esp,64
popad
ret
no_display_binnum:
add esp,64
popad
ret
normalize_number:
test ah,0x80
jz .continue
mov ecx,48
and eax,0x3f
@@:
inc edi
cmp [edi],cl
jne .continue
dec eax
cmp eax,1
ja @r
mov al,1
.continue:
and eax,0x3f
ret
division_64_bits:
test [esp+1+4],byte 0x40
jz .continue
push eax
mov eax,ebp
div ebx
mov ebp,eax
pop eax
.continue:
ret
draw_num_text:
mov esi,eax
mov edx,64+4
sub edx,eax
add edx,esp
mov ebx,[esp+64+32-8+4]
; add window start x & y
mov ecx,[TASK_BASE]
mov edi,[CURRENT_TASK]
shl edi,8
mov eax,[ecx-twdw+WDATA.box.left]
add eax,[edi+SLOT_BASE+APPDATA.wnd_clientbox.left]
shl eax,16
add eax,[ecx-twdw+WDATA.box.top]
add eax,[edi+SLOT_BASE+APPDATA.wnd_clientbox.top]
add ebx,eax
mov ecx,[esp+64+32-12+4]
and ecx, not 0x80000000 ; force counted string
mov eax, [esp+64+8] ; background color (if given)
mov edi, [esp+64+4]
jmp dtext
align 4
sys_setup:
; 1=roland mpu midi base , base io address
; 2=keyboard 1, base kaybap 2, shift keymap, 9 country 1eng 2fi 3ger 4rus
; 3=cd base 1, pri.master 2, pri slave 3 sec master, 4 sec slave
; 5=system language, 1eng 2fi 3ger 4rus
; 7=hd base 1, pri.master 2, pri slave 3 sec master, 4 sec slave
; 8=fat32 partition in hd
; 9
; 10 = sound dma channel
; 11 = enable lba read
; 12 = enable pci access
and [esp+32],dword 0
dec ebx ; MIDI
jnz nsyse1
cmp ecx,0x100
jb nsyse1
mov esi,65535
cmp esi,ecx
jb nsyse1
mov [midi_base],cx ;bx
mov word [mididp],cx ;bx
inc cx ;bx
mov word [midisp],cx ;bx
ret
iglobal
midi_base dw 0
endg
nsyse1:
dec ebx ; KEYBOARD
jnz nsyse2
mov edi,[TASK_BASE]
mov eax,[edi+TASKDATA.mem_start]
add eax,edx
dec ecx
jnz kbnobase
mov ebx,keymap
mov ecx,128
call memmove
ret
kbnobase:
dec ecx
jnz kbnoshift
mov ebx,keymap_shift
mov ecx,128
call memmove
ret
kbnoshift:
dec ecx
jnz kbnoalt
mov ebx,keymap_alt
mov ecx,128
call memmove
ret
kbnoalt:
sub ecx,6
jnz kbnocountry
mov word [keyboard],dx
ret
kbnocountry:
mov [esp+32],dword 1
ret
nsyse2:
dec ebx ; CD
jnz nsyse4
test ecx,ecx
jz nosesl
cmp ecx, 4
ja nosesl
mov [cd_base],cl
dec ecx
jnz noprma
mov [cdbase],0x1f0
mov [cdid],0xa0
noprma:
dec ecx
jnz noprsl
mov [cdbase],0x1f0
mov [cdid],0xb0
noprsl:
dec ecx
jnz nosema
mov [cdbase],0x170
mov [cdid],0xa0
nosema:
dec ecx
jnz nosesl
mov [cdbase],0x170
mov [cdid],0xb0
nosesl:
ret
iglobal
cd_base db 0
endg
nsyse4:
sub ebx,2 ; SYSTEM LANGUAGE
jnz nsyse5
mov [syslang],ecx
ret
nsyse5:
sub ebx,2 ; HD BASE
jnz nsyse7
test ecx,ecx
jz nosethd
cmp ecx,4
ja nosethd
mov [hd_base],cl
cmp ecx,1
jnz noprmahd
mov [hdbase],0x1f0
and dword [hdid],0x0
mov dword [hdpos],ecx
; call set_FAT32_variables
noprmahd:
cmp ecx,2
jnz noprslhd
mov [hdbase],0x1f0
mov [hdid],0x10
mov dword [hdpos],ecx
; call set_FAT32_variables
noprslhd:
cmp ecx,3
jnz nosemahd
mov [hdbase],0x170
and dword [hdid],0x0
mov dword [hdpos],ecx
; call set_FAT32_variables
nosemahd:
cmp ecx,4
jnz noseslhd
mov [hdbase],0x170
mov [hdid],0x10
mov dword [hdpos],ecx
; call set_FAT32_variables
noseslhd:
call reserve_hd1
call reserve_hd_channel
call free_hd_channel
and dword [hd1_status],0 ; free
nosethd:
ret
iglobal
hd_base db 0
endg
nsyse7:
; cmp eax,8 ; HD PARTITION
dec ebx
jnz nsyse8
mov [fat32part],ecx
; call set_FAT32_variables
call reserve_hd1
call reserve_hd_channel
call free_hd_channel
; pusha
call choice_necessity_partition_1
; popa
and dword [hd1_status],0 ; free
ret
nsyse8:
; cmp eax,11 ; ENABLE LBA READ
and ecx,1
sub ebx,3
jnz no_set_lba_read
mov [lba_read_enabled],ecx
ret
no_set_lba_read:
; cmp eax,12 ; ENABLE PCI ACCESS
dec ebx
jnz no_set_pci_access
mov [pci_access_enabled],ecx
ret
no_set_pci_access:
;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
include 'vmodeint.inc'
;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
sys_setup_err:
or [esp+32],dword -1
ret
align 4
sys_getsetup:
; 1=roland mpu midi base , base io address
; 2=keyboard 1, base kaybap 2, shift keymap, 9 country 1eng 2fi 3ger 4rus
; 3=cd base 1, pri.master 2, pri slave 3 sec master, 4 sec slave
; 5=system language, 1eng 2fi 3ger 4rus
; 7=hd base 1, pri.master 2, pri slave 3 sec master, 4 sec slave
; 8=fat32 partition in hd
; 9=get hs timer tic
; cmp eax,1
dec ebx
jnz ngsyse1
movzx eax,[midi_base]
mov [esp+32],eax
ret
ngsyse1:
; cmp eax,2
dec ebx
jnz ngsyse2
mov edi,[TASK_BASE]
mov ebx,[edi+TASKDATA.mem_start]
add ebx,edx
; cmp ebx,1
dec ecx
jnz kbnobaseret
mov eax,keymap
mov ecx,128
call memmove
ret
kbnobaseret:
; cmp ebx,2
dec ecx
jnz kbnoshiftret
mov eax,keymap_shift
mov ecx,128
call memmove
ret
kbnoshiftret:
; cmp ebx,3
dec ecx
jne kbnoaltret
mov eax,keymap_alt
mov ecx,128
call memmove
ret
kbnoaltret:
; cmp ebx,9
sub ecx,6
jnz ngsyse2
movzx eax,word [keyboard]
mov [esp+32],eax
ret
ngsyse2:
; cmp eax,3
dec ebx
jnz ngsyse3
movzx eax,[cd_base]
mov [esp+32],eax
ret
ngsyse3:
; cmp eax,5
sub ebx,2
jnz ngsyse5
mov eax,[syslang]
mov [esp+32],eax
ret
ngsyse5:
; cmp eax,7
sub ebx,2
jnz ngsyse7
movzx eax,[hd_base]
mov [esp+32],eax
ret
ngsyse7:
; cmp eax,8
dec ebx
jnz ngsyse8
mov eax,[fat32part]
mov [esp+32],eax
ret
ngsyse8:
; cmp eax,9
dec ebx
jnz ngsyse9
mov eax,[timer_ticks] ;[0xfdf0]
mov [esp+32],eax
ret
ngsyse9:
; cmp eax,11
sub ebx,2
jnz ngsyse11
mov eax,[lba_read_enabled]
mov [esp+32],eax
ret
ngsyse11:
; cmp eax,12
dec ebx
jnz ngsyse12
mov eax,[pci_access_enabled]
mov [esp+32],eax
ret
ngsyse12:
mov [esp+32],dword 1
ret
get_timer_ticks:
mov eax,[timer_ticks]
ret
iglobal
align 4
mousefn dd msscreen, mswin, msbutton, msset
dd app_load_cursor
dd app_set_cursor
dd app_delete_cursor
dd msz
endg
readmousepos:
; eax=0 screen relative
; eax=1 window relative
; eax=2 buttons pressed
; eax=3 set mouse pos ; reserved
; eax=4 load cursor
; eax=5 set cursor
; eax=6 delete cursor ; reserved
; eax=7 get mouse_z
cmp ebx, 7
ja msset
jmp [mousefn+ebx*4]
msscreen:
mov eax,[MOUSE_X]
shl eax,16
mov ax,[MOUSE_Y]
mov [esp+36-4],eax
ret
mswin:
mov eax,[MOUSE_X]
shl eax,16
mov ax,[MOUSE_Y]
mov esi,[TASK_BASE]
mov bx, word [esi-twdw+WDATA.box.left]
shl ebx,16
mov bx, word [esi-twdw+WDATA.box.top]
sub eax,ebx
mov edi,[CURRENT_TASK]
shl edi,8
sub ax,word[edi+SLOT_BASE+APPDATA.wnd_clientbox.top]
rol eax,16
sub ax,word[edi+SLOT_BASE+APPDATA.wnd_clientbox.left]
rol eax,16
mov [esp+36-4],eax
ret
msbutton:
movzx eax,byte [BTN_DOWN]
mov [esp+36-4],eax
ret
msz:
mov edi, [TASK_COUNT]
movzx edi, word [WIN_POS + edi*2]
cmp edi, [CURRENT_TASK]
jne @f
mov ax,[MOUSE_SCROLL_H]
shl eax,16
mov ax,[MOUSE_SCROLL_V]
mov [esp+36-4],eax
and [MOUSE_SCROLL_H],word 0
and [MOUSE_SCROLL_V],word 0
ret
@@:
and [esp+36-4],dword 0
; ret
msset:
ret
app_load_cursor:
cmp ecx, OS_BASE
jae msset
stdcall load_cursor, ecx, edx
mov [esp+36-4], eax
ret
app_set_cursor:
stdcall set_cursor, ecx
mov [esp+36-4], eax
ret
app_delete_cursor:
stdcall delete_cursor, ecx
mov [esp+36-4], eax
ret
is_input:
push edx
mov dx,word [midisp]
in al,dx
and al,0x80
pop edx
ret
is_output:
push edx
mov dx,word [midisp]
in al,dx
and al,0x40
pop edx
ret
get_mpu_in:
push edx
mov dx,word [mididp]
in al,dx
pop edx
ret
put_mpu_out:
push edx
mov dx,word [mididp]
out dx,al
pop edx
ret
align 4
sys_midi:
cmp [mididp],0
jnz sm0
mov [esp+36],dword 1
ret
sm0:
and [esp+36],dword 0
dec ebx
jnz smn1
; call setuart
su1:
call is_output
test al,al
jnz su1
mov dx,word [midisp]
mov al,0xff
out dx,al
su2:
mov dx,word [midisp]
mov al,0xff
out dx,al
call is_input
test al,al
jnz su2
call get_mpu_in
cmp al,0xfe
jnz su2
su3:
call is_output
test al,al
jnz su3
mov dx,word [midisp]
mov al,0x3f
out dx,al
ret
smn1:
dec ebx
jnz smn2
sm10:
call get_mpu_in
call is_output
test al,al
jnz sm10
mov al,bl
call put_mpu_out
smn2:
ret
detect_devices:
;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
;include 'detect/commouse.inc'
;include 'detect/ps2mouse.inc'
;include 'detect/dev_fd.inc'
;include 'detect/dev_hdcd.inc'
;include 'detect/sear_par.inc'
;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
ret
sys_end:
mov ecx, [current_slot]
mov eax, [ecx+APPDATA.tls_base]
test eax, eax
jz @F
stdcall user_free, eax
@@:
mov eax,[TASK_BASE]
mov [eax+TASKDATA.state], 3 ; terminate this program
waitterm: ; wait here for termination
mov ebx,100
call delay_hs
jmp waitterm
iglobal
align 4
sys_system_table:
dd exit_for_anyone ; 1 = obsolete
dd sysfn_terminate ; 2 = terminate thread
dd sysfn_activate ; 3 = activate window
dd sysfn_getidletime ; 4 = get idle time
dd sysfn_getcpuclock ; 5 = get cpu clock
dd sysfn_saveramdisk ; 6 = save ramdisk
dd sysfn_getactive ; 7 = get active window
dd sysfn_sound_flag ; 8 = get/set sound_flag
dd sysfn_shutdown ; 9 = shutdown with parameter
dd sysfn_minimize ; 10 = minimize window
dd sysfn_getdiskinfo ; 11 = get disk subsystem info
dd sysfn_lastkey ; 12 = get last pressed key
dd sysfn_getversion ; 13 = get kernel version
dd sysfn_waitretrace ; 14 = wait retrace
dd sysfn_centermouse ; 15 = center mouse cursor
dd sysfn_getfreemem ; 16 = get free memory size
dd sysfn_getallmem ; 17 = get total memory size
dd sysfn_terminate2 ; 18 = terminate thread using PID
; instead of slot
dd sysfn_mouse_acceleration; 19 = set/get mouse acceleration
dd sysfn_meminfo ; 20 = get extended memory info
dd sysfn_pid_to_slot ; 21 = get slot number for pid
dd sysfn_min_rest_window ; 22 = minimize and restore any window
sysfn_num = ($ - sys_system_table)/4
endg
sys_system:
dec ebx
cmp ebx, sysfn_num
jae @f
jmp dword [sys_system_table + ebx*4]
@@:
ret
sysfn_shutdown: ; 18.9 = system shutdown
cmp ecx,1
jl exit_for_anyone
cmp ecx,4
jg exit_for_anyone
mov [BOOT_VAR+0x9030],cl
mov eax,[TASK_COUNT]
mov [SYS_SHUTDOWN],al
mov [shutdown_processes],eax
and dword [esp+32], 0
exit_for_anyone:
ret
uglobal
shutdown_processes: dd 0x0
endg
sysfn_terminate: ; 18.2 = TERMINATE
cmp ecx,2
jb noprocessterminate
mov edx,[TASK_COUNT]
cmp ecx,edx
ja noprocessterminate
mov eax,[TASK_COUNT]
shl ecx,5
mov edx,[ecx+CURRENT_TASK+TASKDATA.pid]
add ecx,CURRENT_TASK+TASKDATA.state
cmp byte [ecx], 9
jz noprocessterminate
;call MEM_Heap_Lock ;guarantee that process isn't working with heap
mov [ecx],byte 3 ; clear possible i40's
;call MEM_Heap_UnLock
cmp edx,[application_table_status] ; clear app table stat
jne noatsc
and [application_table_status],0
noatsc:
noprocessterminate:
ret
sysfn_terminate2:
;lock application_table_status mutex
.table_status:
cli
cmp [application_table_status],0
je .stf
sti
call change_task
jmp .table_status
.stf:
call set_application_table_status
mov eax,ecx
call pid_to_slot
test eax,eax
jz .not_found
mov ecx,eax
cli
call sysfn_terminate
and [application_table_status],0
sti
and dword [esp+32],0
ret
.not_found:
mov [application_table_status],0
or dword [esp+32],-1
ret
sysfn_activate: ; 18.3 = ACTIVATE WINDOW
cmp ecx,2
jb .nowindowactivate
cmp ecx,[TASK_COUNT]
ja .nowindowactivate
mov [window_minimize], 2 ; restore window if minimized
movzx esi, word [WIN_STACK + ecx*2]
cmp esi, [TASK_COUNT]
je .nowindowactivate ; already active
mov edi, ecx
shl edi, 5
add edi, window_data
movzx esi, word [WIN_STACK + ecx * 2]
lea esi, [WIN_POS + esi * 2]
call waredraw
.nowindowactivate:
ret
sysfn_getidletime: ; 18.4 = GET IDLETIME
mov eax,[idleusesec]
mov [esp+32], eax
ret
sysfn_getcpuclock: ; 18.5 = GET TSC/SEC
mov eax,[CPU_FREQ]
mov [esp+32], eax
ret
; SAVE ramdisk to /hd/1/menuet.img
;!!!!!!!!!!!!!!!!!!!!!!!!
include 'blkdev/rdsave.inc'
;!!!!!!!!!!!!!!!!!!!!!!!!
align 4
sysfn_getactive: ; 18.7 = get active window
mov eax, [TASK_COUNT]
movzx eax, word [WIN_POS + eax*2]
mov [esp+32],eax
ret
sysfn_sound_flag: ; 18.8 = get/set sound_flag
; cmp ecx,1
dec ecx
jnz nogetsoundflag
movzx eax,byte [sound_flag] ; get sound_flag
mov [esp+32],eax
ret
nogetsoundflag:
; cmp ecx,2
dec ecx
jnz nosoundflag
xor byte [sound_flag], 1
nosoundflag:
ret
sysfn_minimize: ; 18.10 = minimize window
mov [window_minimize],1
ret
align 4
sysfn_getdiskinfo: ; 18.11 = get disk info table
; cmp ecx,1
dec ecx
jnz full_table
small_table:
call for_all_tables
mov ecx,10
cld
rep movsb
ret
for_all_tables:
mov edi,edx
mov esi,DRIVE_DATA
ret
full_table:
; cmp ecx,2
dec ecx
jnz exit_for_anyone
call for_all_tables
mov ecx,16384
cld
rep movsd
ret
sysfn_lastkey: ; 18.12 = return 0 (backward compatibility)
and dword [esp+32], 0
ret
sysfn_getversion: ; 18.13 = get kernel ID and version
mov edi,ecx
mov esi,version_inf
mov ecx,version_end-version_inf
rep movsb
ret
sysfn_waitretrace: ; 18.14 = sys wait retrace
;wait retrace functions
sys_wait_retrace:
mov edx,0x3da
WaitRetrace_loop:
in al,dx
test al,1000b
jz WaitRetrace_loop
and [esp+32],dword 0
ret
align 4
sysfn_centermouse: ; 18.15 = mouse centered
; removed here by <Lrz>
; call mouse_centered
;* mouse centered - start code- Mario79
;mouse_centered:
; push eax
mov eax,[Screen_Max_X]
shr eax,1
mov [MOUSE_X],ax
mov eax,[Screen_Max_Y]
shr eax,1
mov [MOUSE_Y],ax
; ret
;* mouse centered - end code- Mario79
xor eax,eax
and [esp+32],eax
; pop eax
ret
align 4
sysfn_mouse_acceleration: ; 18.19 = set/get mouse features
test ecx,ecx ; get mouse speed factor
jnz .set_mouse_acceleration
xor eax,eax
mov ax,[mouse_speed_factor]
mov [esp+32],eax
ret
.set_mouse_acceleration:
; cmp ecx,1 ; set mouse speed factor
dec ecx
jnz .get_mouse_delay
mov [mouse_speed_factor],dx
ret
.get_mouse_delay:
; cmp ecx,2 ; get mouse delay
dec ecx
jnz .set_mouse_delay
mov eax,[mouse_delay]
mov [esp+32],eax
ret
.set_mouse_delay:
; cmp ecx,3 ; set mouse delay
dec ecx
jnz .set_pointer_position
mov [mouse_delay],edx
ret
.set_pointer_position:
; cmp ecx,4 ; set mouse pointer position
dec ecx
jnz .set_mouse_button
cmp dx, word[Screen_Max_Y]
ja .end
rol edx,16
cmp dx, word[Screen_Max_X]
ja .end
mov [MOUSE_X], edx
ret
.set_mouse_button:
; cmp ecx,5 ; set mouse button features
dec ecx
jnz .end
mov [BTN_DOWN],dl
mov [mouse_active],1
.end:
ret
sysfn_getfreemem:
mov eax, [pg_data.pages_free]
shl eax, 2
mov [esp+32],eax
ret
sysfn_getallmem:
mov eax,[MEM_AMOUNT]
shr eax, 10
mov [esp+32],eax
ret
; // Alver, 2007-22-08 // {
sysfn_pid_to_slot:
mov eax, ecx
call pid_to_slot
mov [esp+32], eax
ret
sysfn_min_rest_window:
pushad
mov eax, edx ; ebx - operating
shr ecx, 1
jnc @f
call pid_to_slot
@@:
or eax, eax ; eax - number of slot
jz .error
cmp eax, 255 ; varify maximal slot number
ja .error
movzx eax, word [WIN_STACK + eax*2]
shr ecx, 1
jc .restore
; .minimize:
call minimize_window
jmp .exit
.restore:
call restore_minimized_window
.exit:
popad
xor eax, eax
mov [esp+32], eax
ret
.error:
popad
xor eax, eax
dec eax
mov [esp+32], eax
ret
; } \\ Alver, 2007-22-08 \\
uglobal
;// mike.dld, 2006-29-01 [
screen_workarea RECT
;// mike.dld, 2006-29-01 ]
window_minimize db 0
sound_flag db 0
endg
iglobal
version_inf:
db 0,7,7,0 ; version 0.7.7.0
db 0 ;reserved
dd __REV__
version_end:
endg
sys_cachetodiskette:
cmp ebx, 1
jne .no_floppy_a_save
mov [flp_number], 1
jmp .save_image_on_floppy
.no_floppy_a_save:
cmp ebx, 2
jne .no_floppy_b_save
mov [flp_number], 2
.save_image_on_floppy:
call save_image
mov [esp + 32], dword 0
cmp [FDC_Status], 0
je .yes_floppy_save
.no_floppy_b_save:
mov [esp + 32], dword 1
.yes_floppy_save:
ret
uglobal
; bgrchanged dd 0x0
align 4
bgrlockpid dd 0
bgrlock db 0
endg
;=============================== SysFn 15 ================================
sys_background:
cmp ebx,1 ; BACKGROUND SIZE
jnz nosb1
test ecx,ecx
; cmp ecx,0
jz sbgrr
test edx,edx
; cmp edx,0
jz sbgrr
@@:
;;Maxis use atomic bts for mutexes 4.4.2009
bts dword [bgrlock], 0
jnc @f
call change_task
jmp @b
@@:
mov [BgrDataWidth],ecx
mov [BgrDataHeight],edx
; mov [bgrchanged],1
pushad
; return memory for old background
mov eax, [img_background]
cmp eax, static_background_data
jz @f
stdcall kernel_free, eax
@@:
; calculate RAW size
xor eax,eax
inc eax
cmp [BgrDataWidth],eax
jae @f
mov [BgrDataWidth],eax
@@:
cmp [BgrDataHeight],eax
jae @f
mov [BgrDataHeight],eax
@@:
mov eax,[BgrDataWidth]
imul eax,[BgrDataHeight]
lea eax,[eax*3]
mov [mem_BACKGROUND],eax
; get memory for new background
stdcall kernel_alloc, eax
test eax, eax
jz .memfailed
mov [img_background], eax
jmp .exit
.memfailed:
; revert to static monotone data
mov [img_background], static_background_data
xor eax, eax
inc eax
mov [BgrDataWidth], eax
mov [BgrDataHeight], eax
mov [mem_BACKGROUND], 4
.exit:
popad
mov [bgrlock], 0
sbgrr:
ret
nosb1:
cmp ebx,2 ; SET PIXEL
jnz nosb2
mov eax, [img_background]
test ecx, ecx
jz @f
cmp eax, static_background_data
jz .ret
@@:
mov ebx, [mem_BACKGROUND]
add ebx, 4095
and ebx, -4096
sub ebx, 4
cmp ecx, ebx
ja .ret
mov ebx,[eax+ecx]
and ebx,0xFF000000 ;255*256*256*256
and edx,0x00FFFFFF ;255*256*256+255*256+255
add edx,ebx
mov [eax+ecx],edx
.ret:
ret
nosb2:
cmp ebx,3 ; DRAW BACKGROUND
jnz nosb3
draw_background_temp:
; cmp [bgrchanged],1 ;0
; je nosb31
;draw_background_temp:
; mov [bgrchanged],1 ;0
mov [background_defined], 1
mov byte[BACKGROUND_CHANGED], 1
call force_redraw_background
nosb31:
ret
nosb3:
cmp ebx,4 ; TILED / STRETCHED
jnz nosb4
cmp ecx,[BgrDrawMode]
je nosb41
mov [BgrDrawMode],ecx
; mov [bgrchanged],1
nosb41:
ret
nosb4:
cmp ebx,5 ; BLOCK MOVE TO BGR
jnz nosb5
cmp [img_background], static_background_data
jnz @f
test edx, edx
jnz .fin
cmp esi, 4
ja .fin
@@:
; bughere
mov eax, ecx
mov ebx, edx
add ebx, [img_background] ;IMG_BACKGROUND
mov ecx, esi
call memmove
.fin:
ret
nosb5:
cmp ebx, 6
jnz nosb6
;;Maxis use atomic bts for mutex 4.4.2009
@@:
bts dword [bgrlock], 0
jnc @f
call change_task
jmp @b
@@:
mov eax, [CURRENT_TASK]
mov [bgrlockpid], eax
cmp [img_background], static_background_data
jz .nomem
stdcall user_alloc, [mem_BACKGROUND]
mov [esp+32], eax
test eax, eax
jz .nomem
mov ebx, eax
shr ebx, 12
or dword [page_tabs+(ebx-1)*4], DONT_FREE_BLOCK
mov esi, [img_background]
shr esi, 12
mov ecx, [mem_BACKGROUND]
add ecx, 0xFFF
shr ecx, 12
.z:
mov eax, [page_tabs+ebx*4]
test al, 1
jz @f
call free_page
@@:
mov eax, [page_tabs+esi*4]
or al, PG_UW
mov [page_tabs+ebx*4], eax
mov eax, ebx
shl eax, 12
invlpg [eax]
inc ebx
inc esi
loop .z
ret
.nomem:
and [bgrlockpid], 0
mov [bgrlock], 0
nosb6:
cmp ebx, 7
jnz nosb7
cmp [bgrlock], 0
jz .err
mov eax, [CURRENT_TASK]
cmp [bgrlockpid], eax
jnz .err
mov eax, ecx
mov ebx, ecx
shr eax, 12
mov ecx, [page_tabs+(eax-1)*4]
test cl, USED_BLOCK+DONT_FREE_BLOCK
jz .err
jnp .err
push eax
shr ecx, 12
dec ecx
@@:
and dword [page_tabs+eax*4], 0
mov edx, eax
shl edx, 12
push eax
invlpg [edx]
pop eax
inc eax
loop @b
pop eax
and dword [page_tabs+(eax-1)*4], not DONT_FREE_BLOCK
stdcall user_free, ebx
mov [esp+32], eax
and [bgrlockpid], 0
mov [bgrlock], 0
ret
.err:
and dword [esp+32], 0
ret
nosb7:
ret
;=============================== SysFn 39 ================================
align 4
sys_getbackground:
dec ebx
jnz nogb1
mov eax,[BgrDataWidth]
shl eax,16
mov ax,[BgrDataHeight]
mov [esp+32],eax
ret
nogb1:
; cmp eax,2 ; PIXEL
dec ebx
jnz nogb2
mov eax, [img_background]
test ecx, ecx
jz @f
cmp eax, static_background_data
jz .ret
@@:
mov ebx, [mem_BACKGROUND]
add ebx, 4095
and ebx, -4096
sub ebx, 4
cmp ecx, ebx
ja .ret
mov eax,[ecx+eax]
and eax, 0xFFFFFF
mov [esp+32],eax
.ret:
ret
nogb2:
; cmp eax,4 ; TILED / STRETCHED
dec ebx
dec ebx
jnz nogb4
mov eax,[BgrDrawMode]
nogb4:
mov [esp+32],eax
ret
;===========================================
force_redraw_background:
and [draw_data+32 + RECT.left], 0
and [draw_data+32 + RECT.top], 0
push eax ebx
mov eax,[Screen_Max_X]
mov ebx,[Screen_Max_Y]
mov [draw_data+32 + RECT.right],eax
mov [draw_data+32 + RECT.bottom],ebx
pop ebx eax
inc byte[REDRAW_BACKGROUND]
ret
;===========================================
align 4
sys_getkey:
mov [esp + 32],dword 1
; test main buffer
mov ebx, [CURRENT_TASK] ; TOP OF WINDOW STACK
movzx ecx, word [WIN_STACK + ebx * 2]
mov edx, [TASK_COUNT]
cmp ecx, edx
jne .finish
cmp [KEY_COUNT], byte 0
je .finish
movzx eax, byte [KEY_BUFF]
shl eax, 8
push eax
dec byte [KEY_COUNT]
and byte [KEY_COUNT], 127
movzx ecx, byte [KEY_COUNT]
add ecx, 2
mov eax, KEY_BUFF + 1
mov ebx, KEY_BUFF
call memmove
pop eax
.ret_eax:
mov [esp + 32], eax
ret
.finish:
; test hotkeys buffer
mov ecx, hotkey_buffer
@@:
cmp [ecx], ebx
jz .found
add ecx, 8
cmp ecx, hotkey_buffer + 120 * 8
jb @b
ret
.found:
mov ax, [ecx + 6]
shl eax, 16
mov ah, [ecx + 4]
mov al, 2
and dword [ecx + 4], 0
and dword [ecx], 0
jmp .ret_eax
align 4
sys_getbutton:
mov ebx, [CURRENT_TASK] ; TOP OF WINDOW STACK
mov [esp + 32], dword 1
movzx ecx, word [WIN_STACK + ebx * 2]
mov edx, [TASK_COUNT] ; less than 256 processes
cmp ecx, edx
jne .exit
movzx eax, byte [BTN_COUNT]
test eax, eax
jz .exit
mov eax, [BTN_BUFF]
and al, 0xFE ; delete left button bit
mov [BTN_COUNT], byte 0
mov [esp + 32], eax
.exit:
ret
align 4
sys_cpuusage:
; RETURN:
;
; +00 dword process cpu usage
; +04 word position in windowing stack
; +06 word windowing stack value at current position (cpu nro)
; +10 12 bytes name
; +22 dword start in mem
; +26 dword used mem
; +30 dword PID , process idenfification number
;
cmp ecx,-1 ; who am I ?
jne .no_who_am_i
mov ecx,[CURRENT_TASK]
.no_who_am_i:
cmp ecx, max_processes
ja .nofillbuf
; +4: word: position of the window of thread in the window stack
mov ax, [WIN_STACK + ecx * 2]
mov [ebx+4], ax
; +6: word: number of the thread slot, which window has in the window stack
; position ecx (has no relation to the specific thread)
mov ax, [WIN_POS + ecx * 2]
mov [ebx+6], ax
shl ecx, 5
; +0: dword: memory usage
mov eax, [ecx+CURRENT_TASK+TASKDATA.cpu_usage]
mov [ebx], eax
; +10: 11 bytes: name of the process
push ecx
lea eax, [ecx*8+SLOT_BASE+APPDATA.app_name]
add ebx, 10
mov ecx, 11
call memmove
pop ecx
; +22: address of the process in memory
; +26: size of used memory - 1
push edi
lea edi, [ebx+12]
xor eax, eax
mov edx, 0x100000*16
cmp ecx, 1 shl 5
je .os_mem
mov edx, [SLOT_BASE+ecx*8+APPDATA.mem_size]
mov eax, std_application_base_address
.os_mem:
stosd
lea eax, [edx-1]
stosd
; +30: PID/TID
mov eax, [ecx+CURRENT_TASK+TASKDATA.pid]
stosd
; window position and size
push esi
lea esi, [ecx + window_data + WDATA.box]
movsd
movsd
movsd
movsd
; Process state (+50)
mov eax, dword [ecx+CURRENT_TASK+TASKDATA.state]
stosd
; Window client area box
lea esi, [ecx*8 + SLOT_BASE + APPDATA.wnd_clientbox]
movsd
movsd
movsd
movsd
; Window state
mov al, [ecx+window_data+WDATA.fl_wstate]
stosb
; Event mask (+71)
mov EAX, dword [ECX+CURRENT_TASK+TASKDATA.event_mask]
stosd
pop esi
pop edi
.nofillbuf:
; return number of processes
mov eax,[TASK_COUNT]
mov [esp+32],eax
ret
align 4
sys_clock:
cli
; Mikhail Lisovin xx Jan 2005
@@: mov al, 10
out 0x70, al
in al, 0x71
test al, al
jns @f
mov esi, 1
call delay_ms
jmp @b
@@:
; end Lisovin's fix
xor al,al ; seconds
out 0x70,al
in al,0x71
movzx ecx,al
mov al,02 ; minutes
shl ecx,16
out 0x70,al
in al,0x71
movzx edx,al
mov al,04 ; hours
shl edx,8
out 0x70,al
in al,0x71
add ecx,edx
movzx edx,al
add ecx,edx
sti
mov [esp + 32], ecx
ret
align 4
sys_date:
cli
@@: mov al, 10
out 0x70, al
in al, 0x71
test al, al
jns @f
mov esi, 1
call delay_ms
jmp @b
@@:
mov ch,0
mov al,7 ; date
out 0x70,al
in al,0x71
mov cl,al
mov al,8 ; month
shl ecx,16
out 0x70,al
in al,0x71
mov ch,al
mov al,9 ; year
out 0x70,al
in al,0x71
mov cl,al
sti
mov [esp+32], ecx
ret
; redraw status
sys_redrawstat:
cmp ebx, 1
jne no_widgets_away
; buttons away
mov ecx,[CURRENT_TASK]
sys_newba2:
mov edi,[BTN_ADDR]
cmp [edi], dword 0 ; empty button list ?
je end_of_buttons_away
movzx ebx, word [edi]
inc ebx
mov eax,edi
sys_newba:
dec ebx
jz end_of_buttons_away
add eax, 0x10
cmp cx, [eax]
jnz sys_newba
push eax ebx ecx
mov ecx,ebx
inc ecx
shl ecx, 4
mov ebx, eax
add eax, 0x10
call memmove
dec dword [edi]
pop ecx ebx eax
jmp sys_newba2
end_of_buttons_away:
ret
no_widgets_away:
cmp ebx, 2
jnz srl1
mov edx, [TASK_BASE] ; return whole screen draw area for this app
add edx, draw_data - CURRENT_TASK
mov [edx + RECT.left], 0
mov [edx + RECT.top], 0
mov eax, [Screen_Max_X]
mov [edx + RECT.right], eax
mov eax, [Screen_Max_Y]
mov [edx + RECT.bottom], eax
srl1:
ret
;ok - 100% work
;nt - not tested
;---------------------------------------------------------------------------------------------
;eax
;0 - task switch counter. Ret switch counter in eax. Block. ok.
;1 - change task. Ret nothing. Block. ok.
;2 - performance control
; ebx
; 0 - enable or disable (inversion) PCE flag on CR4 for rdmpc in user mode.
; returned new cr4 in eax. Ret cr4 in eax. Block. ok.
; 1 - is cache enabled. Ret cr0 in eax if enabled else zero in eax. Block. ok.
; 2 - enable cache. Ret 1 in eax. Ret nothing. Block. ok.
; 3 - disable cache. Ret 0 in eax. Ret nothing. Block. ok.
;eax
;3 - rdmsr. Counter in edx. (edx:eax) [esi:edi, edx] => [edx:esi, ecx]. Ret in ebx:eax. Block. ok.
;4 - wrmsr. Counter in edx. (edx:eax) [esi:edi, edx] => [edx:esi, ecx]. Ret in ebx:eax. Block. ok.
;---------------------------------------------------------------------------------------------
iglobal
align 4
sheduler:
dd sys_sheduler.00
dd change_task
dd sys_sheduler.02
dd sys_sheduler.03
dd sys_sheduler.04
endg
sys_sheduler:
;rewritten by <Lrz> 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
; <20><> MSR_AMD_EFER <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20>.<2E>. <20> <20>⮬ ॣ<><E0A5A3><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD>
; <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>/<2F>몫<EFBFBD><EBAAAB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>७<EFBFBD><E0A5AD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
cmp edx,MSR_SYSENTER_CS
je @f
cmp edx,MSR_SYSENTER_ESP
je @f
cmp edx,MSR_SYSENTER_EIP
je @f
cmp edx,MSR_AMD_STAR
je @f
mov eax,esi
mov ecx,edx
wrmsr
; mov [esp + 32], eax
; mov [esp + 20], edx ;ret in ebx?
@@:
ret
cache_disable:
mov eax,cr0
or eax,01100000000000000000000000000000b
mov cr0,eax
wbinvd ;set MESI
ret
cache_enable:
mov eax,cr0
and eax,10011111111111111111111111111111b
mov cr0,eax
ret
is_cache_enabled:
mov eax,cr0
mov ebx,eax
and eax,01100000000000000000000000000000b
jz cache_disabled
mov [esp+32],ebx
cache_disabled:
mov dword [esp+32],eax ;0
ret
modify_pce:
mov eax,cr4
; mov ebx,0
; or bx,100000000b ;pce
; xor eax,ebx ;invert pce
bts eax,8 ;pce=cr4[8]
mov cr4,eax
mov [esp+32],eax
ret
;---------------------------------------------------------------------------------------------
iglobal
cpustring db 'CPU',0
endg
uglobal
background_defined db 0 ; diamond, 11.04.2006
endg
align 4
; check misc
checkmisc:
cmp [ctrl_alt_del], 1
jne nocpustart
mov ebp, cpustring
call fs_execute_from_sysdir
mov [ctrl_alt_del], 0
nocpustart:
cmp [mouse_active], 1
jne mouse_not_active
mov [mouse_active], 0
xor edi, edi
mov ecx, [TASK_COUNT]
set_mouse_event:
add edi, 256
or [edi+SLOT_BASE+APPDATA.event_mask], dword 100000b
loop set_mouse_event
mouse_not_active:
cmp byte[BACKGROUND_CHANGED], 0
jz no_set_bgr_event
xor edi, edi
mov ecx, [TASK_COUNT]
set_bgr_event:
add edi, 256
or [edi+SLOT_BASE+APPDATA.event_mask], 16
loop set_bgr_event
mov byte[BACKGROUND_CHANGED], 0
no_set_bgr_event:
cmp byte[REDRAW_BACKGROUND], 0 ; background update ?
jz nobackgr
cmp [background_defined], 0
jz nobackgr
@@:
call drawbackground
xor eax, eax
xchg al, [REDRAW_BACKGROUND]
test al, al ; got new update request?
jnz @b
mov [draw_data+32 + RECT.left], eax
mov [draw_data+32 + RECT.top], eax
mov [draw_data+32 + RECT.right], eax
mov [draw_data+32 + RECT.bottom], eax
mov [MOUSE_BACKGROUND],byte 0
nobackgr:
; system shutdown request
cmp [SYS_SHUTDOWN],byte 0
je noshutdown
mov edx,[shutdown_processes]
cmp [SYS_SHUTDOWN],dl
jne no_mark_system_shutdown
lea ecx,[edx-1]
mov edx,OS_BASE+0x3040
jecxz @f
markz:
mov [edx+TASKDATA.state],byte 3
add edx,0x20
loop markz
@@:
no_mark_system_shutdown:
call [_display.disable_mouse]
dec byte [SYS_SHUTDOWN]
je system_shutdown
noshutdown:
mov eax,[TASK_COUNT] ; termination
mov ebx,TASK_DATA+TASKDATA.state
mov esi,1
newct:
mov cl,[ebx]
cmp cl,byte 3
jz terminate
cmp cl,byte 4
jz terminate
add ebx,0x20
inc esi
dec eax
jnz newct
ret
; redraw screen
; eax , if process window_data base is eax, do not set flag/limits
redrawscreen:
pushad
push eax
xor ecx,ecx ; redraw flags for apps
newdw2:
inc ecx
push ecx
mov eax,ecx
shl eax,5
add eax,window_data
cmp eax,[esp+4]
je not_this_task
; check if window in redraw area
mov edi,eax
cmp ecx,1 ; limit for background
jz bgli
mov eax, [edi + WDATA.box.left]
mov ebx, [edi + WDATA.box.top]
mov ecx, [edi + WDATA.box.width]
mov edx, [edi + WDATA.box.height]
add ecx,eax
add edx,ebx
mov ecx,[draw_limits.bottom] ; ecx = area y end ebx = window y start
cmp ecx,ebx
jb ricino
mov ecx,[draw_limits.right] ; ecx = area x end eax = window x start
cmp ecx,eax
jb ricino
mov eax, [edi + WDATA.box.left]
mov ebx, [edi + WDATA.box.top]
mov ecx, [edi + WDATA.box.width]
mov edx, [edi + WDATA.box.height]
add ecx, eax
add edx, ebx
mov eax,[draw_limits.top] ; eax = area y start edx = window y end
cmp edx,eax
jb ricino
mov eax,[draw_limits.left] ; eax = area x start ecx = window x end
cmp ecx,eax
jb ricino
bgli:
cmp dword[esp], 1
jnz .az
cmp byte[REDRAW_BACKGROUND], 0
jz .az
mov dl, 0
lea eax,[edi+draw_data-window_data]
mov ebx,[draw_limits.left]
cmp ebx,[eax+RECT.left]
jae @f
mov [eax+RECT.left],ebx
mov dl, 1
@@:
mov ebx,[draw_limits.top]
cmp ebx,[eax+RECT.top]
jae @f
mov [eax+RECT.top],ebx
mov dl, 1
@@:
mov ebx,[draw_limits.right]
cmp ebx,[eax+RECT.right]
jbe @f
mov [eax+RECT.right],ebx
mov dl, 1
@@:
mov ebx,[draw_limits.bottom]
cmp ebx,[eax+RECT.bottom]
jbe @f
mov [eax+RECT.bottom],ebx
mov dl, 1
@@:
add byte[REDRAW_BACKGROUND], dl
jmp newdw8
.az:
mov eax,edi
add eax,draw_data-window_data
mov ebx,[draw_limits.left] ; set limits
mov [eax + RECT.left], ebx
mov ebx,[draw_limits.top]
mov [eax + RECT.top], ebx
mov ebx,[draw_limits.right]
mov [eax + RECT.right], ebx
mov ebx,[draw_limits.bottom]
mov [eax + RECT.bottom], ebx
sub eax,draw_data-window_data
cmp dword [esp],1
jne nobgrd
inc byte[REDRAW_BACKGROUND]
newdw8:
nobgrd:
mov [eax + WDATA.fl_redraw],byte 1 ; mark as redraw
ricino:
not_this_task:
pop ecx
cmp ecx,[TASK_COUNT]
jle newdw2
pop eax
popad
ret
calculatebackground: ; background
mov edi, [_WinMapAddress] ; set os to use all pixels
mov eax, 0x01010101
mov ecx, [_WinMapSize]
shr ecx, 2
rep stosd
mov byte[REDRAW_BACKGROUND], 0 ; do not draw background!
mov byte[BACKGROUND_CHANGED], 0
ret
uglobal
imax dd 0x0
endg
delay_ms: ; delay in 1/1000 sec
push eax
push ecx
mov ecx,esi
; <CPU clock fix by Sergey Kuzmin aka Wildwest>
imul ecx, 33941
shr ecx, 9
; </CPU clock fix>
in al,0x61
and al,0x10
mov ah,al
cld
cnt1: in al,0x61
and al,0x10
cmp al,ah
jz cnt1
mov ah,al
loop cnt1
pop ecx
pop eax
ret
set_app_param:
mov edi, [TASK_BASE]
mov eax, [edi + TASKDATA.event_mask]
mov [edi + TASKDATA.event_mask], ebx
mov [esp+32], eax
ret
delay_hs: ; delay in 1/100 secs
; ebx = delay time
push ecx
push edx
mov edx,[timer_ticks]
newtic:
mov ecx,[timer_ticks]
sub ecx,edx
cmp ecx,ebx
jae zerodelay
call change_task
jmp newtic
zerodelay:
pop edx
pop ecx
ret
align 16 ;very often call this subrutine
memmove: ; memory move in bytes
; eax = from
; ebx = to
; ecx = no of bytes
test ecx, ecx
jle .ret
push esi edi ecx
mov edi, ebx
mov esi, eax
test ecx, not 11b
jz @f
push ecx
shr ecx, 2
rep movsd
pop ecx
and ecx, 11b
jz .finish
@@:
rep movsb
.finish:
pop ecx edi esi
.ret:
ret
align 4
sys_programirq:
; removed
mov dword [esp+32], 1 ; operation failed
ret
align 4
get_irq_data:
; removed
mov dword [esp+32], -1
ret
set_io_access_rights:
;removed
ret
r_f_port_area:
; removed; always returns 0
xor eax, eax
ret
reserve_free_irq:
xor esi, esi
inc esi
cmp ecx, 16
jae ril1
push ecx
lea ecx, [irq_owner + 4 * ecx]
mov edx, [ecx]
mov eax, [TASK_BASE]
mov edi, [eax + TASKDATA.pid]
pop eax
dec ebx
jnz reserve_irq
cmp edx, edi
jne ril1
dec esi
mov [ecx], esi
jmp ril1
reserve_irq:
cmp dword [ecx], 0
jne ril1
mov ebx, [f_irqs + 4 * eax]
stdcall attach_int_handler, eax, ebx, dword 0
mov [ecx], edi
dec esi
ril1:
mov [esp+32], esi ; return in eax
ret
iglobal
f_irqs:
dd 0x0
dd 0x0
dd p_irq2
dd p_irq3
dd p_irq4
dd p_irq5
dd p_irq6
dd p_irq7
dd p_irq8
dd p_irq9
dd p_irq10
dd p_irq11
dd 0x0
dd 0x0
dd p_irq14
dd p_irq15
endg
drawbackground:
; inc [mouse_pause]
; call draw_background ; graph32.inc
; dec [mouse_pause]
; call [draw_pointer]
; ret
inc [mouse_pause]
cmp [BgrDrawMode],dword 1
jne .bgrstr
call vesa20_drawbackground_tiled
jmp @f
.bgrstr:
call vesa20_drawbackground_stretch
@@:
dec [mouse_pause]
call [draw_pointer]
ret
; ====================================================================
if 0
; the new GFX sys
align 4
syscall_putimage: ; PutImage = SysFn07
sys_putimage:
test ecx,0x80008000 ; ecx = { SizeX | SizeY }
jnz .exit ; edx = { OrigX | OrigY }
test ecx,0x0000FFFF ; ebx points to the 24bpp-image
jz .exit
test ecx,0xFFFF0000
jnz @f
.exit:
ret
@@:
push edi
mov edi,[current_slot]
add dx,word[edi+APPDATA.wnd_clientbox.top]
rol edx,16
add dx,word[edi+APPDATA.wnd_clientbox.left]
pop edi
rol edx,16
.forced: ; called from gui/skincode.inc [215]
push esi
mov esi, ecx
shr esi, 16 ; SizeX
lea esi, [esi*2+esi] ; 3 bytes per pixel
mov [img_buf_line_size], esi
mov [img_draw_core_fn], draw_core_24bpp
mov [img_draw_edge_fn], draw_edge_24bpp
mov [img_bytes_per_pix], 3
pop esi
sys_putimage_bpp: ; only called from sys_putimage_palette
inc [mouse_pause]
call _putimage
dec [mouse_pause]
call [draw_pointer]
ret
align 4
sys_putimage_palette: ; sysFn 65
; ebx = pointer to image
; ecx = [xsize]*65536 + [ysize]
; edx = [xstart]*65536 + [ystart]
; esi = number of bits per pixel, must be 1, 8, 24 or 32
; edi = pointer to palette
; ebp = line offset
mov eax, [CURRENT_TASK]
shl eax, 8
add dx, word [eax+SLOT_BASE+APPDATA.wnd_clientbox.top]
rol edx, 16
add dx, word [eax+SLOT_BASE+APPDATA.wnd_clientbox.left]
rol edx, 16
.forced:
push eax
push esi
mov [img_palette], edi
mov eax, esi
cmp eax, 32 ;>32bpp (stupid call)
ja .exit
shr al, 3 ; 0=1bpp or solid color
mov [img_bytes_per_pix], eax
mov esi, [eax*4 + img_core_proc_0]
mov [img_draw_core_fn], esi
mov esi, [eax*4 + img_edge_proc_0]
mov [img_draw_edge_fn], esi
mov esi, ecx
shr esi, 16 ; esi = SizeX
imul esi, eax
or al, al
jnz .done
mov eax, [esp] ; bits per pixel
or al, al
jz .done
.1bpp:
add esi, 7
shr esi, 3 ; 8 pixels per byte
mov [img_draw_edge_fn], draw_edge_1bpp
mov [img_draw_core_fn], draw_core_1bpp
.done:
add esi, ebp ; + line offset
mov [img_buf_line_size], esi
pop esi
pop eax
jmp sys_putimage_bpp
.exit:
ret
align 4
img_core_proc_0 dd draw_core_0bpp
img_core_proc_1 dd draw_core_8bpp
img_core_proc_2 dd draw_core_16bpp
img_core_proc_3 dd draw_core_24bpp
img_core_proc_4 dd draw_core_32bpp
img_edge_proc_0 dd draw_edge_0bpp
img_edge_proc_1 dd draw_edge_8bpp
img_edge_proc_2 dd draw_edge_16bpp
img_edge_proc_3 dd draw_edge_24bpp
img_edge_proc_4 dd draw_edge_32bpp
end if
; <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
; the old GFX sys
align 4
syscall_putimage: ; PutImage
sys_putimage:
test ecx,0x80008000
jnz .exit
test ecx,0x0000FFFF
jz .exit
test ecx,0xFFFF0000
jnz @f
.exit:
ret
@@:
mov edi,[current_slot]
add dx,word[edi+APPDATA.wnd_clientbox.top]
rol edx,16
add dx,word[edi+APPDATA.wnd_clientbox.left]
rol edx,16
.forced:
push ebp esi 0
mov ebp, putimage_get24bpp
mov esi, putimage_init24bpp
sys_putimage_bpp:
; cmp [SCR_MODE], word 0x12
; jz @f ;.doit
; mov eax, vesa12_putimage
; cmp [SCR_MODE], word 0100000000000000b
; jae @f
; cmp [SCR_MODE], word 0x13
; jnz .doit
;@@:
mov eax, vesa20_putimage
.doit:
inc [mouse_pause]
call eax
dec [mouse_pause]
pop ebp esi ebp
jmp [draw_pointer]
align 4
sys_putimage_palette:
; ebx = pointer to image
; ecx = [xsize]*65536 + [ysize]
; edx = [xstart]*65536 + [ystart]
; esi = number of bits per pixel, must be 8, 24 or 32
; edi = pointer to palette
; ebp = row delta
mov eax, [CURRENT_TASK]
shl eax, 8
add dx, word [eax+SLOT_BASE+APPDATA.wnd_clientbox.top]
rol edx, 16
add dx, word [eax+SLOT_BASE+APPDATA.wnd_clientbox.left]
rol edx, 16
.forced:
cmp esi, 1
jnz @f
push edi
mov eax, [edi+4]
sub eax, [edi]
push eax
push dword [edi]
push 0ffffff80h
mov edi, esp
call put_mono_image
add esp, 12
pop edi
ret
@@:
cmp esi, 2
jnz @f
push edi
push 0ffffff80h
mov edi, esp
call put_2bit_image
pop eax
pop edi
ret
@@:
cmp esi, 4
jnz @f
push edi
push 0ffffff80h
mov edi, esp
call put_4bit_image
pop eax
pop edi
ret
@@:
push ebp esi ebp
cmp esi, 8
jnz @f
mov ebp, putimage_get8bpp
mov esi, putimage_init8bpp
jmp sys_putimage_bpp
@@:
cmp esi, 15
jnz @f
mov ebp, putimage_get15bpp
mov esi, putimage_init15bpp
jmp sys_putimage_bpp
@@:
cmp esi, 16
jnz @f
mov ebp, putimage_get16bpp
mov esi, putimage_init16bpp
jmp sys_putimage_bpp
@@:
cmp esi, 24
jnz @f
mov ebp, putimage_get24bpp
mov esi, putimage_init24bpp
jmp sys_putimage_bpp
@@:
cmp esi, 32
jnz @f
mov ebp, putimage_get32bpp
mov esi, putimage_init32bpp
jmp sys_putimage_bpp
@@:
pop ebp esi ebp
ret
put_mono_image:
push ebp esi ebp
mov ebp, putimage_get1bpp
mov esi, putimage_init1bpp
jmp sys_putimage_bpp
put_2bit_image:
push ebp esi ebp
mov ebp, putimage_get2bpp
mov esi, putimage_init2bpp
jmp sys_putimage_bpp
put_4bit_image:
push ebp esi ebp
mov ebp, putimage_get4bpp
mov esi, putimage_init4bpp
jmp sys_putimage_bpp
putimage_init24bpp:
lea eax, [eax*3]
putimage_init8bpp:
ret
align 16
putimage_get24bpp:
movzx eax, byte [esi+2]
shl eax, 16
mov ax, [esi]
add esi, 3
ret 4
align 16
putimage_get8bpp:
movzx eax, byte [esi]
push edx
mov edx, [esp+8]
mov eax, [edx+eax*4]
pop edx
inc esi
ret 4
putimage_init1bpp:
add eax, ecx
push ecx
add eax, 7
add ecx, 7
shr eax, 3
shr ecx, 3
sub eax, ecx
pop ecx
ret
align 16
putimage_get1bpp:
push edx
mov edx, [esp+8]
mov al, [edx]
add al, al
jnz @f
lodsb
adc al, al
@@:
mov [edx], al
sbb eax, eax
and eax, [edx+8]
add eax, [edx+4]
pop edx
ret 4
putimage_init2bpp:
add eax, ecx
push ecx
add ecx, 3
add eax, 3
shr ecx, 2
shr eax, 2
sub eax, ecx
pop ecx
ret
align 16
putimage_get2bpp:
push edx
mov edx, [esp+8]
mov al, [edx]
mov ah, al
shr al, 6
shl ah, 2
jnz .nonewbyte
lodsb
mov ah, al
shr al, 6
shl ah, 2
add ah, 1
.nonewbyte:
mov [edx], ah
mov edx, [edx+4]
movzx eax, al
mov eax, [edx+eax*4]
pop edx
ret 4
putimage_init4bpp:
add eax, ecx
push ecx
add ecx, 1
add eax, 1
shr ecx, 1
shr eax, 1
sub eax, ecx
pop ecx
ret
align 16
putimage_get4bpp:
push edx
mov edx, [esp+8]
add byte [edx], 80h
jc @f
movzx eax, byte [edx+1]
mov edx, [edx+4]
and eax, 0x0F
mov eax, [edx+eax*4]
pop edx
ret 4
@@:
movzx eax, byte [esi]
add esi, 1
mov [edx+1], al
shr eax, 4
mov edx, [edx+4]
mov eax, [edx+eax*4]
pop edx
ret 4
putimage_init32bpp:
shl eax, 2
ret
align 16
putimage_get32bpp:
lodsd
ret 4
putimage_init15bpp:
putimage_init16bpp:
add eax, eax
ret
align 16
putimage_get15bpp:
; 0RRRRRGGGGGBBBBB -> 00000000RRRRR000GGGGG000BBBBB000
push ecx edx
movzx eax, word [esi]
add esi, 2
mov ecx, eax
mov edx, eax
and eax, 0x1F
and ecx, 0x1F shl 5
and edx, 0x1F shl 10
shl eax, 3
shl ecx, 6
shl edx, 9
or eax, ecx
or eax, edx
pop edx ecx
ret 4
align 16
putimage_get16bpp:
; RRRRRGGGGGGBBBBB -> 00000000RRRRR000GGGGGG00BBBBB000
push ecx edx
movzx eax, word [esi]
add esi, 2
mov ecx, eax
mov edx, eax
and eax, 0x1F
and ecx, 0x3F shl 5
and edx, 0x1F shl 11
shl eax, 3
shl ecx, 5
shl edx, 8
or eax, ecx
or eax, edx
pop edx ecx
ret 4
; ==================================================
; eax x beginning
; ebx y beginning
; ecx x end
; edx y end
; edi color
__sys_drawbar:
mov esi,[current_slot]
add eax,[esi+APPDATA.wnd_clientbox.left]
add ecx,[esi+APPDATA.wnd_clientbox.left]
add ebx,[esi+APPDATA.wnd_clientbox.top]
add edx,[esi+APPDATA.wnd_clientbox.top]
.forced:
inc [mouse_pause]
call vesa20_drawbar
dec [mouse_pause]
jmp [draw_pointer]
kb_read:
push ecx edx
mov ecx,0x1ffff ; last 0xffff, new value in view of fast CPU's
kr_loop:
in al,0x64
test al,1
jnz kr_ready
loop kr_loop
mov ah,1
jmp kr_exit
kr_ready:
push ecx
mov ecx,32
kr_delay:
loop kr_delay
pop ecx
in al,0x60
xor ah,ah
kr_exit:
pop edx ecx
ret
kb_write:
push ecx edx
mov dl,al
in al,0x60
mov ecx,0x1ffff ; last 0xffff, new value in view of fast CPU's
kw_loop:
in al,0x64
test al,2
jz kw_ok
loop kw_loop
mov ah,1
jmp kw_exit
kw_ok:
mov al,dl
out 0x60,al
mov ecx,0x1ffff ; last 0xffff, new value in view of fast CPU's
kw_loop3:
in al,0x64
test al,2
jz kw_ok3
loop kw_loop3
mov ah,1
jmp kw_exit
kw_ok3:
mov ah,8
kw_loop4:
mov ecx,0x1ffff ; last 0xffff, new value in view of fast CPU's
kw_loop5:
in al,0x64
test al,1
jnz kw_ok4
loop kw_loop5
dec ah
jnz kw_loop4
kw_ok4:
xor ah,ah
kw_exit:
pop edx ecx
ret
kb_cmd:
mov ecx,0x1ffff ; last 0xffff, new value in view of fast CPU's
c_wait:
in al,0x64
test al,2
jz c_send
loop c_wait
jmp c_error
c_send:
mov al,bl
out 0x64,al
mov ecx,0x1ffff ; last 0xffff, new value in view of fast CPU's
c_accept:
in al,0x64
test al,2
jz c_ok
loop c_accept
c_error:
mov ah,1
jmp c_exit
c_ok:
xor ah,ah
c_exit:
ret
rerouteirqs:
cli
mov al,0x11 ; icw4, edge triggered
out 0x20,al
call pic_delay
out 0xA0,al
call pic_delay
mov al,0x20 ; generate 0x20 +
out 0x21,al
call pic_delay
mov al,0x28 ; generate 0x28 +
out 0xA1,al
call pic_delay
mov al,0x04 ; slave at irq2
out 0x21,al
call pic_delay
mov al,0x02 ; at irq9
out 0xA1,al
call pic_delay
mov al,0x01 ; 8086 mode
out 0x21,al
call pic_delay
out 0xA1,al
call pic_delay
mov al,255 ; mask all irq's
out 0xA1,al
call pic_delay
out 0x21,al
call pic_delay
mov ecx,0x1000
cld
picl1: call pic_delay
loop picl1
mov al,255 ; mask all irq's
out 0xA1,al
call pic_delay
out 0x21,al
call pic_delay
cli
ret
pic_delay:
jmp pdl1
pdl1: ret
sys_msg_board_str:
pushad
@@:
cmp [esi],byte 0
je @f
mov eax,1
movzx ebx,byte [esi]
call sys_msg_board
inc esi
jmp @b
@@:
popad
ret
sys_msg_board_byte:
; in: al = byte to display
; out: nothing
; destroys: nothing
pushad
mov ecx, 2
shl eax, 24
jmp @f
sys_msg_board_word:
; in: ax = word to display
; out: nothing
; destroys: nothing
pushad
mov ecx, 4
shl eax, 16
jmp @f
sys_msg_board_dword:
; in: eax = dword to display
; out: nothing
; destroys: nothing
pushad
mov ecx, 8
@@:
push ecx
rol eax, 4
push eax
and al, 0xF
cmp al, 10
sbb al, 69h
das
mov bl, al
xor eax, eax
inc eax
call sys_msg_board
pop eax
pop ecx
loop @b
popad
ret
uglobal
msg_board_data: times 4096 db 0
msg_board_count dd 0x0
endg
sys_msg_board:
; eax=1 : write : bl byte to write
; eax=2 : read : ebx=0 -> no data, ebx=1 -> data in al
mov ecx, [msg_board_count]
cmp eax, 1
jne .smbl1
mov [msg_board_data+ecx],bl
inc ecx
and ecx, 4095
mov [msg_board_count], ecx
mov [check_idle_semaphore], 5
ret
.smbl1:
cmp eax, 2
jne .smbl2
test ecx, ecx
jz .smbl21
mov eax, msg_board_data+1
mov ebx, msg_board_data
movzx edx, byte [ebx]
call memmove
dec [msg_board_count]
mov [esp + 36], edx ;eax
mov [esp + 24], dword 1
ret
.smbl21:
mov [esp+36], ecx
mov [esp+24], ecx
.smbl2:
ret
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; 66 sys function. ;;
;; in eax=66,ebx in [0..5],ecx,edx ;;
;; out eax ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
iglobal
align 4
f66call:
dd sys_process_def.1 ; 1 = set keyboard mode
dd sys_process_def.2 ; 2 = get keyboard mode
dd sys_process_def.3 ; 3 = get keyboard ctrl, alt, shift
dd sys_process_def.4
dd sys_process_def.5
endg
sys_process_def:
dec ebx
cmp ebx,5
jae .not_support ;if >=6 then or eax,-1
mov edi, [CURRENT_TASK]
jmp dword [f66call+ebx*4]
.not_support:
or eax,-1
ret
.1:
shl edi,8
mov [edi+SLOT_BASE + APPDATA.keyboard_mode],cl
ret
.2: ; 2 = get keyboard mode
shl edi,8
movzx eax, byte [SLOT_BASE+edi + APPDATA.keyboard_mode]
mov [esp+32],eax
ret
; xor eax,eax
; movzx eax,byte [shift]
; movzx ebx,byte [ctrl]
; shl ebx,2
; add eax,ebx
; movzx ebx,byte [alt]
; shl ebx,3
; add eax,ebx
.3: ;3 = get keyboard ctrl, alt, shift
;// mike.dld [
mov eax, [kb_state]
;// mike.dld ]
mov [esp+32],eax
ret
.4:
mov eax, hotkey_list
@@:
cmp dword [eax+8], 0
jz .found_free
add eax, 16
cmp eax, hotkey_list+16*256
jb @b
mov dword [esp+32], 1
ret
.found_free:
mov [eax+8], edi
mov [eax+4], edx
movzx ecx, cl
lea ecx, [hotkey_scancodes+ecx*4]
mov edx, [ecx]
mov [eax], edx
mov [ecx], eax
mov [eax+12], ecx
jecxz @f
mov [edx+12], eax
@@:
and dword [esp+32], 0
ret
.5:
movzx ebx, cl
lea ebx, [hotkey_scancodes+ebx*4]
mov eax, [ebx]
.scan:
test eax, eax
jz .notfound
cmp [eax+8], edi
jnz .next
cmp [eax+4], edx
jz .found
.next:
mov eax, [eax]
jmp .scan
.notfound:
mov dword [esp+32], 1
ret
.found:
mov ecx, [eax]
jecxz @f
mov edx, [eax+12]
mov [ecx+12], edx
@@:
mov ecx, [eax+12]
mov edx, [eax]
mov [ecx], edx
xor edx, edx
mov [eax+4], edx
mov [eax+8], edx
mov [eax+12], edx
mov [eax], edx
mov [esp+32], edx
ret
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; 61 sys function. ;;
;; in eax=61,ebx in [1..3] ;;
;; out eax ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
iglobal
align 4
f61call:
dd sys_gs.1 ; resolution
dd sys_gs.2 ; bits per pixel
dd sys_gs.3 ; bytes per scanline
endg
align 4
sys_gs: ; direct screen access
dec ebx
cmp ebx,2
ja .not_support
jmp dword [f61call+ebx*4]
.not_support:
or [esp+32],dword -1
ret
.1: ; resolution
mov eax,[Screen_Max_X]
shl eax,16
mov ax,[Screen_Max_Y]
add eax,0x00010001
mov [esp+32],eax
ret
.2: ; bits per pixel
movzx eax,byte [ScreenBPP]
mov [esp+32],eax
ret
.3: ; bytes per scanline
mov eax,[BytesPerScanLine]
mov [esp+32],eax
ret
align 4 ; system functions
syscall_setpixel: ; SetPixel
mov eax, ebx
mov ebx, ecx
mov ecx, edx
xor edi, edi ; no force
call [_display.disable_mouse]
jmp [putpixel]
align 4
syscall_writetext: ; WriteText
mov eax,[TASK_BASE]
mov ebp,[eax-twdw+WDATA.box.left]
push esi
mov esi,[current_slot]
add ebp,[esi+APPDATA.wnd_clientbox.left]
shl ebp,16
add ebp,[eax-twdw+WDATA.box.top]
add bp,word[esi+APPDATA.wnd_clientbox.top]
pop esi
add ebx,ebp
mov eax,edi
xor edi,edi
jmp dtext
align 4
syscall_openramdiskfile: ; OpenRamdiskFile
mov eax, ebx
mov ebx, ecx
mov ecx, edx
mov edx, esi
mov esi, 12
call fileread
mov [esp+32], eax
ret
align 4
syscall_drawrect: ; DrawRect
mov edi, edx ; color + gradient
and edi, 0x80FFFFFF
test bx, bx ; x.size
je .drectr
test cx, cx ; y.size
je .drectr
mov eax, ebx ; bad idea
mov ebx, ecx
movzx ecx, ax ; ecx - x.size
shr eax, 16 ; eax - x.coord
movzx edx, bx ; edx - y.size
shr ebx, 16 ; ebx - y.coord
mov esi, [current_slot]
add eax, [esi + APPDATA.wnd_clientbox.left]
add ebx, [esi + APPDATA.wnd_clientbox.top]
add ecx, eax
add edx, ebx
jmp [drawbar]
.drectr:
ret
align 4
syscall_getscreensize: ; GetScreenSize
mov ax, [Screen_Max_X]
shl eax, 16
mov ax, [Screen_Max_Y]
mov [esp + 32], eax
ret
align 4
align 4
syscall_getpixel: ; GetPixel
mov ecx, [Screen_Max_X]
inc ecx
xor edx, edx
mov eax, ebx
div ecx
mov ebx, edx
xchg eax, ebx
call get_pixel ; eax - x, ebx - y
mov [esp + 32], ecx
ret
align 4
syscall_getarea:
;eax = 36
;ebx = pointer to bufer for img BBGGRRBBGGRR...
;ecx = [size x]*65536 + [size y]
;edx = [start x]*65536 + [start y]
pushad
inc [mouse_pause]
; Check of use of the hardware cursor.
cmp [_display.disable_mouse],__sys_disable_mouse
jne @f
; Since the test for the coordinates of the mouse should not be used,
; then use the call [disable_mouse] is not possible!
cmp dword [MOUSE_VISIBLE],dword 0
jne @f
pushf
cli
call draw_mouse_under
popf
mov [MOUSE_VISIBLE],dword 1
@@:
mov edi,ebx
mov eax,edx
shr eax,16
mov ebx,edx
and ebx,0xffff
dec eax
dec ebx
; eax - x, ebx - y
mov edx,ecx
shr ecx,16
and edx,0xffff
mov esi,ecx
; ecx - size x, edx - size y
mov ebp,edx
dec ebp
lea ebp,[ebp*3]
imul ebp,esi
mov esi,ecx
dec esi
lea esi,[esi*3]
add ebp,esi
add ebp,edi
add ebx,edx
.start_y:
push ecx edx
.start_x:
push eax ebx ecx
add eax,ecx
call get_pixel ; eax - x, ebx - y
mov [ebp],cx
shr ecx,16
mov [ebp+2],cl
pop ecx ebx eax
sub ebp,3
dec ecx
jnz .start_x
pop edx ecx
dec ebx
dec edx
jnz .start_y
dec [mouse_pause]
; Check of use of the hardware cursor.
cmp [_display.disable_mouse],__sys_disable_mouse
jne @f
call [draw_pointer]
@@:
popad
ret
align 4
syscall_drawline: ; DrawLine
mov edi, [TASK_BASE]
movzx eax, word[edi-twdw+WDATA.box.left]
mov ebp, eax
mov esi, [current_slot]
add ebp, [esi+APPDATA.wnd_clientbox.left]
add ax, word[esi+APPDATA.wnd_clientbox.left]
add ebp,ebx
shl eax, 16
movzx ebx, word[edi-twdw+WDATA.box.top]
add eax, ebp
mov ebp, ebx
add ebp, [esi+APPDATA.wnd_clientbox.top]
add bx, word[esi+APPDATA.wnd_clientbox.top]
add ebp, ecx
shl ebx, 16
xor edi, edi
add ebx, ebp
mov ecx, edx
jmp [draw_line]
align 4
syscall_getirqowner: ; GetIrqOwner
cmp ebx,16
jae .err
cmp [irq_rights + 4 * ebx], dword 2
je .err
mov eax,[4 * ebx + irq_owner]
mov [esp+32],eax
ret
.err:
or dword [esp+32], -1
ret
align 4
syscall_reserveportarea: ; ReservePortArea and FreePortArea
call r_f_port_area
mov [esp+32],eax
ret
align 4
syscall_threads: ; CreateThreads
; eax=1 create thread
;
; ebx=thread start
; ecx=thread stack value
;
; on return : eax = pid
call new_sys_threads
mov [esp+32],eax
ret
align 4
stack_driver_stat:
call app_stack_handler ; Stack status
; mov [check_idle_semaphore],5 ; enable these for zero delay
; call change_task ; between sent packet
mov [esp+32],eax
ret
align 4
socket: ; Socket interface
call app_socket_handler
; mov [check_idle_semaphore],5 ; enable these for zero delay
; call change_task ; between sent packet
mov [esp+36],eax
mov [esp+24],ebx
ret
align 4
read_from_hd: ; Read from hd - fn not in use
mov edi,[TASK_BASE]
add edi,TASKDATA.mem_start
add eax,[edi]
add ecx,[edi]
add edx,[edi]
call file_read
mov [esp+36],eax
mov [esp+24],ebx
ret
paleholder:
ret
align 4
set_screen:
cmp eax, [Screen_Max_X]
jne .set
cmp edx, [Screen_Max_Y]
jne .set
ret
.set:
pushfd
cli
mov [Screen_Max_X], eax
mov [Screen_Max_Y], edx
mov [BytesPerScanLine], ecx
mov [screen_workarea.right],eax
mov [screen_workarea.bottom], edx
push ebx
push esi
push edi
pushad
stdcall kernel_free, [_WinMapAddress]
mov eax, [_display.width]
mul [_display.height]
mov [_WinMapSize], eax
stdcall kernel_alloc, eax
mov [_WinMapAddress], eax
test eax, eax
jz .epic_fail
popad
call repos_windows
xor eax, eax
xor ebx, ebx
mov ecx, [Screen_Max_X]
mov edx, [Screen_Max_Y]
call calculatescreen
pop edi
pop esi
pop ebx
popfd
ret
.epic_fail:
hlt ; Houston, we've had a problem
; --------------- APM ---------------------
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
yes_shutdown_param:
cli
mov al, 0xFF
out 0x21, al ;IntrCntrl1Reg2
out 0xA1, al ;IntrCntrl2Reg2
cmp byte [BOOT_VAR + 0x9030], 2
jnz pm_restart
if 0
mov al, SB_PM_CTRL_BLK
mov ah, al
inc ah
mov dx, 0x0CD6
out dx, al
inc dl
in al, dx
mov cl, al
dec dl
mov al, ah
out dx, al
inc dl
in al, dx
mov ch, al
end if
mov dx, 0x0804 ;cx
mov ax, 0x03400
out dx, ax
; THE END...
jmp $ ; just to be absolutely sure
pm_restart:
mov al,0x0F
out 0x70,al ; NmiEnable
mov al,0x05
out 0x71,al ; RtcData
mov ax, 6
mov dx, 0xCF9 ; reset reg
out dx, ax
hlt
jmp $-1
diff16 "End of 32-code ",0,$
include "data32.inc"
__REV__ = __REV
uglobals_size = $ - endofcode
diff16 "Zero-filled blk",0,endofcode
diff16 "End of kernel ",0,$
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