;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;
;; Copyright (C) KolibriOS team 2004-2008. 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
;;
;; 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: 1025 $
USE_COM_IRQ equ 1 ;make irq 3 and irq 4 available for PCI devices
debug_com_base equ 0x3f8 ; 0x3f8 is com1, 0x2f8 is com2, 0x3e8 is com3, 0x2e8 is com4, no irq's are used, comment this line out to disable
include "proc32.inc"
include "kglobals.inc"
include "lang.inc"
lang fix en
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)
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 0.7.5.0 ',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,0x3ec00 ; Set stack
; CLEAR 0x280000 - HEAP_BASE
xor eax,eax
mov edi,0x280000
mov ecx,(HEAP_BASE-OS_BASE-0x280000) / 4
cld
rep stosd
mov edi,0x40000
mov ecx,(0x90000-0x40000)/4
rep stosd
; CLEAR KERNEL UNDEFINED GLOBALS
mov edi, endofcode-OS_BASE
mov ecx, (uglobals_size/4)+4
rep stosd
; SAVE & CLEAR 0-0xffff
xor esi, esi
mov edi,0x2F0000
mov ecx,0x10000 / 4
rep movsd
xor edi, edi
mov ecx,0x10000 / 4
rep stosd
call test_cpu
bts [cpu_caps-OS_BASE], CAPS_TSC ;force use rdtsc
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 $+0x10000
use32
__DEBUG__ fix 1
__DEBUG_LEVEL__ fix 1
include 'init.inc'
org OS_BASE+$
align 4
high_code:
mov ax,os_stack
mov bx,app_data
mov ss,ax
add esp, OS_BASE
mov ds,bx
mov es,bx
mov fs,bx
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
; -----------------------------------------
; movzx eax,byte [BOOT_VAR+0x9010] ; mouse port
; mov [0xF604],byte 1 ;al
mov al, [BOOT_VAR+0x901F] ; DMA access
mov [allow_dma_access], al
mov al,[BOOT_VAR+0x9000] ; bpp
mov [ScreenBPP],al
movzx eax,word [BOOT_VAR+0x900A] ; X max
dec eax
mov [Screen_Max_X],eax
mov [screen_workarea.right],eax
movzx eax,word [BOOT_VAR+0x900C] ; Y max
dec eax
mov [Screen_Max_Y],eax
mov [screen_workarea.bottom],eax
movzx eax,word [BOOT_VAR+0x9008] ; 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
mov ax,[BOOT_VAR+0x9001] ; for other modes
mov [BytesPerScanLine],ax
@@:
mov esi, BOOT_VAR+0x9080
movzx ecx, byte [esi-1]
mov [NumBiosDisks], ecx
mov edi, BiosDisksData
rep movsd
; GRAPHICS ADDRESSES
mov byte [BOOT_VAR+0x901e],0x0
mov eax,[BOOT_VAR+0x9018]
mov [LFBAddress],eax
cmp [SCR_MODE],word 0100000000000000b
jge setvesa20
cmp [SCR_MODE],word 0x13
je v20ga32
mov [PUTPIXEL],dword Vesa12_putpixel24 ; Vesa 1.2
mov [GETPIXEL],dword Vesa12_getpixel24
cmp [ScreenBPP],byte 24
jz ga24
mov [PUTPIXEL],dword Vesa12_putpixel32
mov [GETPIXEL],dword Vesa12_getpixel32
ga24:
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
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:
; -------- 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 3116 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 150 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:
; -----------------------------------------
; LOAD IDT
call build_interrupt_table
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_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
mov [CURRENT_TASK],dword 1
mov [TASK_COUNT],dword 1
mov [TASK_BASE],dword TASK_DATA
mov [current_slot], SLOT_BASE+256
; set background
xor eax,eax
inc eax
mov [BgrDrawMode],eax
mov [BgrDataWidth],eax
mov [BgrDataHeight],eax
mov [mem_BACKGROUND],4095
stdcall kernel_alloc, [mem_BACKGROUND]
mov [img_background], eax
mov [SLOT_BASE + 256 + APPDATA.dir_table], sys_pgdir - OS_BASE
; 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
;!!!!!!!!!!!!!!!!!!!!!!!!!!
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'
;!!!!!!!!!!!!!!!!!!!!!!!
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
; 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:
; 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
mov edi, 1
mov eax, 0x00040000
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 setwindowdefaults
; 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 PORTS FOR IRQ HANDLERS
mov esi,boot_setrports
call boot_log
;call setirqreadports
; 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.fpu_handler], eax
mov dword [SLOT_BASE+APPDATA.sse_handler], 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
mov dword [SLOT_BASE+256+APPDATA.io_map],\
(tss._io_map_0-OS_BASE+PG_MAP)
mov dword [SLOT_BASE+256+APPDATA.io_map+4],\
(tss._io_map_1-OS_BASE+PG_MAP)
mov esi, fpu_data
mov ecx, 512/4
cld
rep movsd
mov dword [SLOT_BASE+256+APPDATA.fpu_handler], eax
mov dword [SLOT_BASE+256+APPDATA.sse_handler], 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
; task list
mov [CURRENT_TASK],dword 1
mov [TASK_COUNT],dword 1
mov [current_slot], SLOT_BASE+256
mov [TASK_BASE],dword TASK_DATA
mov [TASK_DATA+TASKDATA.wnd_number], 1 ; on screen number
mov [TASK_DATA+TASKDATA.pid], 1 ; process id number
mov [TASK_DATA+TASKDATA.mem_start], 0 ; process base address
call init_cursors
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
call _rdtsc
mov ecx,eax
mov esi,250 ; wait 1/4 a second
call delay_ms
call _rdtsc
sti
sub eax,ecx
shl eax,2
mov [CPU_FREQ],eax ; save tsc / sec
mov ebx, 1000000
div ebx
mov [stall_mcs], eax
; SET VARIABLES
call set_variables
; SET MOUSE
;call detect_devices
stdcall load_driver, szPS2MDriver
stdcall load_driver, szCOM_MDriver
mov esi,boot_setmouse
call boot_log
call setmouse
; 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,(tss._io_map_0-OS_BASE), PG_MAP
add esi, 0x1000
stdcall map_page,esi,(tss._io_map_1-OS_BASE), PG_MAP
stdcall map_page,tss._io_map_0,\
(tss._io_map_0-OS_BASE), PG_MAP
stdcall map_page,tss._io_map_1,\
(tss._io_map_1-OS_BASE), PG_MAP
mov ax,[OS_BASE+0x10000+bx_from_load]
; 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)
je 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
je 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
mov [CURRENT_TASK],dword 1 ; 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 ]
; 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
; 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
; mov [ENABLE_TASKSWITCH],byte 1 ; multitasking enabled
; UNMASK ALL IRQ'S
mov esi,boot_allirqs
call boot_log
cli ;guarantee forbidance of interrupts.
mov al,0 ; unmask all irq's
out 0xA1,al
out 0x21,al
mov ecx,32
ready_for_irqs:
mov al,0x20 ; ready for irqs
out 0x20,al
out 0xa0,al
loop ready_for_irqs ; flush the queue
stdcall attach_int_handler, dword 1, irq1, dword 0
; mov [dma_hdd],1
cmp [IDEContrRegsBaseAddr], 0
setnz [dma_hdd]
mov [timer_ticks_enable],1 ; for cd driver
sti
call change_task
jmp osloop
; jmp $ ; wait here for timer to take control
; Fly :)
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
mov edx,esi
mov edi,1
call dtext
mov [novesachecksum],1000
call checkVga_N13
popad
ret
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
; ;
; MAIN OS LOOP START ;
; ;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
align 32
osloop:
call [draw_pointer]
call checkbuttons
call checkwindows
; call check_window_move_request
call checkmisc
call checkVga_N13
call stack_handler
call checkidle
call check_fdd_motor_status
call check_ATAPI_device_event
jmp osloop
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
; ;
; MAIN OS LOOP END ;
; ;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
checkidle:
pushad
cmp [check_idle_semaphore],0
jne no_idle_state
call change_task
mov eax,[idlemem]
mov ebx,[timer_ticks] ;[0xfdf0]
cmp eax,ebx
jnz idle_exit
call _rdtsc
mov ecx,eax
idle_loop:
hlt
cmp [check_idle_semaphore],0
jne idle_loop_exit
mov eax,[timer_ticks] ;[0xfdf0]
cmp ebx,eax
jz idle_loop
idle_loop_exit:
mov [idlemem],eax
call _rdtsc
sub eax,ecx
mov ebx,[idleuse]
add ebx,eax
mov [idleuse],ebx
popad
ret
idle_exit:
mov ebx,[timer_ticks] ;[0xfdf0]
mov [idlemem],ebx
call change_task
popad
ret
no_idle_state:
dec [check_idle_semaphore]
mov ebx,[timer_ticks] ;[0xfdf0]
mov [idlemem],ebx
call change_task
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:
pushad
mov [irq_owner+4*0], 1 ; timer
;mov [irq_owner+4*1], 1 ; keyboard
mov [irq_owner+4*6], 1 ; floppy diskette
mov [irq_owner+4*13], 1 ; math co-pros
mov [irq_owner+4*14], 1 ; ide I
mov [irq_owner+4*15], 1 ; ide II
; RESERVE PORTS
mov edi,1 ; 0x00-0x2d
mov [RESERVED_PORTS],edi
shl edi,4
mov [RESERVED_PORTS+edi+0],dword 1
mov [RESERVED_PORTS+edi+4],dword 0x0
mov [RESERVED_PORTS+edi+8],dword 0x2d
inc dword [RESERVED_PORTS] ; 0x30-0x4d
mov edi,[RESERVED_PORTS]
shl edi,4
mov [RESERVED_PORTS+edi+0],dword 1
mov [RESERVED_PORTS+edi+4],dword 0x30
mov [RESERVED_PORTS+edi+8],dword 0x4d
inc dword [RESERVED_PORTS] ; 0x50-0xdf
mov edi,[RESERVED_PORTS]
shl edi,4
mov [RESERVED_PORTS+edi+0],dword 1
mov [RESERVED_PORTS+edi+4],dword 0x50
mov [RESERVED_PORTS+edi+8],dword 0xdf
inc dword [RESERVED_PORTS] ; 0xe5-0xff
mov edi,[RESERVED_PORTS]
shl edi,4
mov [RESERVED_PORTS+edi+0],dword 1
mov [RESERVED_PORTS+edi+4],dword 0xe5
mov [RESERVED_PORTS+edi+8],dword 0xff
popad
ret
setirqreadports:
mov [irq12read+0],dword 0x60 + 0x01000000 ; read port 0x60 , byte
mov [irq12read+4],dword 0 ; end of port list
;mov [irq04read+0],dword 0x3f8 + 0x01000000 ; read port 0x3f8 , byte
;mov [irq04read+4],dword 0 ; end of port list
;mov [irq03read+0],dword 0x2f8 + 0x01000000 ; read port 0x2f8 , byte
;mov [irq03read+4],dword 0 ; end of port list
ret
iglobal
process_number dd 0x1
endg
set_variables:
mov ecx,0x100 ; flush port 0x60
.fl60: in al,0x60
loop .fl60
mov [MOUSE_BUFF_COUNT],byte 0 ; mouse buffer
mov [KEY_COUNT],byte 0 ; keyboard buffer
mov [BTN_COUNT],byte 0 ; button buffer
; mov [MOUSE_X],dword 100*65536+100 ; mouse x/y
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
pop eax
mov [BTN_ADDR],dword BUTTON_INFO ; address of button list
;!! IP 04.02.2005:
mov [next_usage_update], 100
mov byte [DONT_SWITCH], 0 ; change task if possible
ret
;* 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
pop eax
ret
;* mouse centered - end code- Mario79
align 4
sys_outport:
mov edi,ebx ; separate flag for read / write
and ebx,65535
mov ecx,[RESERVED_PORTS]
test ecx,ecx
jne sopl8
mov [esp+36],dword 1
ret
sopl8:
mov edx,[TASK_BASE]
mov edx,[edx+0x4]
and ebx,65535
cld
sopl1:
mov esi,ecx
shl esi,4
add esi,RESERVED_PORTS
cmp edx,[esi+0]
jne sopl2
cmp ebx,[esi+4]
jb sopl2
cmp ebx,[esi+8]
jg sopl2
jmp sopl3
sopl2:
dec ecx
jnz sopl1
mov [esp+36],dword 1
ret
sopl3:
test edi,0x80000000 ; read ?
jnz sopl4
mov dx,bx ; write
out dx,al
mov [esp+36],dword 0
ret
sopl4:
mov dx,bx ; read
in al,dx
and eax,0xff
mov [esp+36],dword 0
mov [esp+24],eax
ret
display_number:
; 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
cmp ah,0 ; DECIMAL
jne 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
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
mov [esp+36],dword 0
cmp eax,1 ; MIDI
jnz nsyse1
cmp ebx,0x100
jb nsyse1
mov edx,65535
cmp edx,ebx
jb nsyse1
mov [midi_base],bx
mov word [mididp],bx
inc bx
mov word [midisp],bx
ret
iglobal
midi_base dw 0
endg
nsyse1:
cmp eax,2 ; KEYBOARD
jnz nsyse2
cmp ebx,1
jnz kbnobase
mov edi,[TASK_BASE]
add ecx,[edi+TASKDATA.mem_start]
mov eax,ecx
mov ebx,keymap
mov ecx,128
call memmove
ret
kbnobase:
cmp ebx,2
jnz kbnoshift
mov edi,[TASK_BASE]
add ecx,[edi+TASKDATA.mem_start]
mov eax,ecx
mov ebx,keymap_shift
mov ecx,128
call memmove
ret
kbnoshift:
cmp ebx,3
jne kbnoalt
mov edi,[TASK_BASE]
add ecx,[edi+TASKDATA.mem_start]
mov eax,ecx
mov ebx,keymap_alt
mov ecx,128
call memmove
ret
kbnoalt:
cmp ebx,9
jnz kbnocountry
mov word [keyboard],cx
ret
kbnocountry:
mov [esp+36],dword 1
ret
nsyse2:
cmp eax,3 ; CD
jnz nsyse4
test ebx,ebx
jz nosesl
cmp ebx, 4
ja nosesl
mov [cd_base],bl
cmp ebx,1
jnz noprma
mov [cdbase],0x1f0
mov [cdid],0xa0
noprma:
cmp ebx,2
jnz noprsl
mov [cdbase],0x1f0
mov [cdid],0xb0
noprsl:
cmp ebx,3
jnz nosema
mov [cdbase],0x170
mov [cdid],0xa0
nosema:
cmp ebx,4
jnz nosesl
mov [cdbase],0x170
mov [cdid],0xb0
nosesl:
ret
cd_base db 0
nsyse4:
cmp eax,5 ; SYSTEM LANGUAGE
jnz nsyse5
mov [syslang],ebx
ret
nsyse5:
cmp eax,7 ; HD BASE
jne nsyse7
test ebx,ebx
jz nosethd
cmp ebx,4
ja nosethd
mov [hd_base],bl
cmp ebx,1
jnz noprmahd
mov [hdbase],0x1f0
mov [hdid],0x0
mov [hdpos],1
; call set_FAT32_variables
noprmahd:
cmp ebx,2
jnz noprslhd
mov [hdbase],0x1f0
mov [hdid],0x10
mov [hdpos],2
; call set_FAT32_variables
noprslhd:
cmp ebx,3
jnz nosemahd
mov [hdbase],0x170
mov [hdid],0x0
mov [hdpos],3
; call set_FAT32_variables
nosemahd:
cmp ebx,4
jnz noseslhd
mov [hdbase],0x170
mov [hdid],0x10
mov [hdpos],4
; call set_FAT32_variables
noseslhd:
call reserve_hd1
call reserve_hd_channel
call free_hd_channel
mov [hd1_status],0 ; free
nosethd:
ret
iglobal
hd_base db 0
endg
nsyse7:
cmp eax,8 ; HD PARTITION
jne nsyse8
mov [fat32part],ebx
; call set_FAT32_variables
call reserve_hd1
call reserve_hd_channel
call free_hd_channel
pusha
call choice_necessity_partition_1
popa
mov [hd1_status],0 ; free
ret
nsyse8:
cmp eax,11 ; ENABLE LBA READ
jne no_set_lba_read
and ebx,1
mov [lba_read_enabled],ebx
ret
no_set_lba_read:
cmp eax,12 ; ENABLE PCI ACCESS
jne no_set_pci_access
and ebx,1
mov [pci_access_enabled],ebx
ret
no_set_pci_access:
;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
include 'vmodeint.inc'
;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
sys_setup_err:
mov [esp+36],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
jne ngsyse1
movzx eax,[midi_base]
mov [esp+36],eax
ret
ngsyse1:
cmp eax,2
jne ngsyse2
cmp ebx,1
jnz kbnobaseret
mov edi,[TASK_BASE]
add ecx,[edi+TASKDATA.mem_start]
mov ebx,ecx
mov eax,keymap
mov ecx,128
call memmove
ret
kbnobaseret:
cmp ebx,2
jnz kbnoshiftret
mov edi,[TASK_BASE]
add ecx,[edi+TASKDATA.mem_start]
mov ebx,ecx
mov eax,keymap_shift
mov ecx,128
call memmove
ret
kbnoshiftret:
cmp ebx,3
jne kbnoaltret
mov edi,[TASK_BASE]
add ecx,[edi+TASKDATA.mem_start]
mov ebx,ecx
mov eax,keymap_alt
mov ecx,128
call memmove
ret
kbnoaltret:
cmp ebx,9
jnz ngsyse2
movzx eax,word [keyboard]
mov [esp+36],eax
ret
ngsyse2:
cmp eax,3
jnz ngsyse3
movzx eax,[cd_base]
mov [esp+36],eax
ret
ngsyse3:
cmp eax,5
jnz ngsyse5
mov eax,[syslang]
mov [esp+36],eax
ret
ngsyse5:
cmp eax,7
jnz ngsyse7
movzx eax,[hd_base]
mov [esp+36],eax
ret
ngsyse7:
cmp eax,8
jnz ngsyse8
mov eax,[fat32part]
mov [esp+36],eax
ret
ngsyse8:
cmp eax,9
jne ngsyse9
mov eax,[timer_ticks] ;[0xfdf0]
mov [esp+36],eax
ret
ngsyse9:
cmp eax,11
jnz ngsyse11
mov eax,[lba_read_enabled]
mov [esp+36],eax
ret
ngsyse11:
cmp eax,12
jnz ngsyse12
mov eax,[pci_access_enabled]
mov [esp+36],eax
ret
ngsyse12:
mov [esp+36],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 eax, 7
ja msset
jmp [mousefn+eax*4]
msscreen:
mov eax,[MOUSE_X]
shl eax,16
mov ax,[MOUSE_Y]
mov [esp+36],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],eax
ret
msbutton:
movzx eax,byte [BTN_DOWN]
mov [esp+36],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],eax
mov [MOUSE_SCROLL_H],word 0
mov [MOUSE_SCROLL_V],word 0
ret
@@:
mov [esp+36],dword 0
ret
msset:
ret
app_load_cursor:
; add ebx, new_app_base
cmp ebx, OS_BASE
jae msset
stdcall load_cursor, ebx, ecx
mov [esp+36], eax
ret
app_set_cursor:
stdcall set_cursor, ebx
mov [esp+36], eax
ret
app_delete_cursor:
stdcall delete_cursor, ebx
mov [esp+36], 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
setuart:
su1:
call is_output
cmp al,0
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
cmp al,0
jnz su2
call get_mpu_in
cmp al,0xfe
jnz su2
su3:
call is_output
cmp al,0
jnz su3
mov dx,word [midisp]
mov al,0x3f
out dx,al
ret
align 4
sys_midi:
cmp [mididp],0
jnz sm0
mov [esp+36],dword 1
ret
sm0:
cmp eax,1
mov [esp+36],dword 0
jnz smn1
call setuart
ret
smn1:
cmp eax,2
jnz smn2
sm10:
call get_mpu_in
call is_output
test al,al
jnz sm10
mov al,bl
call put_mpu_out
ret
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 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
mov [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
mov [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'
;!!!!!!!!!!!!!!!!!!!!!!!!
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
jne nogetsoundflag
movzx eax,byte [sound_flag] ; get sound_flag
mov [esp+32],eax
ret
nogetsoundflag:
cmp ecx,2
jnz nosoundflag
xor byte [sound_flag], 1
nosoundflag:
ret
sysfn_minimize: ; 18.10 = minimize window
mov [window_minimize],1
ret
sysfn_getdiskinfo: ; 18.11 = get disk info table
cmp ecx,1
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
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,ebx
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
sysfn_centermouse: ; 18.15 = mouse centered
call mouse_centered
and [esp+32],dword 0
ret
sysfn_mouse_acceleration: ; 18.19 = set/get mouse features
cmp ecx,0 ; 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
jnz .get_mouse_delay
mov [mouse_speed_factor],dx
ret
.get_mouse_delay:
cmp ecx,2 ; get mouse delay
jnz .set_mouse_delay
mov eax,[mouse_delay]
mov [esp+32],eax
ret
.set_mouse_delay:
cmp ecx,3 ; set mouse delay
jnz .set_pointer_position
mov [mouse_delay],edx
ret
.set_pointer_position:
cmp ecx,4 ; set mouse pointer position
jnz .set_mouse_button
mov [MOUSE_Y],dx ;y
ror edx,16
mov [MOUSE_X],dx ;x
rol edx,16
ret
.set_mouse_button:
cmp ecx,5 ; set mouse button features
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 0,7,5,0 ; version 0.7.5.0
db UID_KOLIBRI
dd __REV__
version_end:
endg
UID_NONE=0
UID_MENUETOS=1 ;official
UID_KOLIBRI=2 ;russian
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
bgrlock db 0
bgrlockpid dd 0
endg
sys_background:
cmp ebx,1 ; BACKGROUND SIZE
jnz nosb1
cmp ecx,0
je sbgrr
cmp edx,0
je sbgrr
@@:
mov al, 1
xchg [bgrlock], al
test al, al
jz @f
call change_task
jmp @b
@@:
mov [BgrDataWidth],ecx
mov [BgrDataHeight],edx
; mov [bgrchanged],1
pushad
; return memory for old background
stdcall kernel_free, [img_background]
; 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 .exit_mem
mov [img_background], eax
.exit_mem:
popad
mov [bgrlock], 0
sbgrr:
ret
nosb1:
cmp ebx,2 ; SET PIXEL
jnz nosb2
mov ebx, [mem_BACKGROUND]
add ebx, 4095
and ebx, -4096
sub ebx, 4
cmp ecx, ebx
ja @F
mov eax,[img_background]
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
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
call force_redraw_background
mov [REDRAW_BACKGROUND], byte 2
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
; 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
@@:
mov al, 1
xchg [bgrlock], al
test al, al
jz @f
call change_task
jmp @b
@@:
mov eax, [CURRENT_TASK]
mov [bgrlockpid], eax
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
@@:
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
force_redraw_background:
mov [draw_data+32 + RECT.left],dword 0
mov [draw_data+32 + RECT.top],dword 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
mov byte [REDRAW_BACKGROUND], 1
ret
align 4
sys_getbackground:
cmp eax,1 ; SIZE
jnz nogb1
mov eax,[BgrDataWidth]
shl eax,16
mov ax,[BgrDataHeight]
mov [esp+36],eax
ret
nogb1:
cmp eax,2 ; PIXEL
jnz nogb2
mov ecx, [mem_BACKGROUND]
add ecx, 4095
and ecx, -4096
sub ecx, 4
cmp ebx, ecx
ja @F
mov eax,[img_background]
mov eax,[ebx+eax]
and eax, 0xFFFFFF
mov [esp+36],eax
@@:
ret
nogb2:
cmp eax,4 ; TILED / STRETCHED
jnz nogb4
mov eax,[BgrDrawMode]
nogb4:
mov [esp+36],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
.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]
shl eax, 8
; // Alver 22.06.2008 // {
mov al, byte [btn_down_determ]
and al,0xFE ; delete left button bit
; } \\ Alver \\
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
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
mov edi, [TASK_BASE]
or [edi - twdw + WDATA.fl_wdrawn], 1 ; no new position & buttons from app
call sys_window_mouse
ret
srl1:
ret
sys_drawwindow:
mov eax,edx
shr eax,16+8
and eax,15
; cmp eax,0 ; type I - original style
jne nosyswI
inc [mouse_pause]
call [disable_mouse]
call sys_set_window
call [disable_mouse]
call drawwindow_I
;dec [mouse_pause]
;call [draw_pointer]
;ret
jmp draw_window_caption.2
nosyswI:
cmp al,1 ; type II - only reserve area, no draw
jne nosyswII
inc [mouse_pause]
call [disable_mouse]
call sys_set_window
call [disable_mouse]
call sys_window_mouse
dec [mouse_pause]
call [draw_pointer]
ret
nosyswII:
cmp al,2 ; type III - new style
jne nosyswIII
inc [mouse_pause]
call [disable_mouse]
call sys_set_window
call [disable_mouse]
call drawwindow_III
;dec [mouse_pause]
;call [draw_pointer]
;ret
jmp draw_window_caption.2
nosyswIII:
cmp al,3 ; type IV - skinned window
je draw_skin_window
cmp al,4 ; type V - skinned window not sized! {not_sized_skin_window}
jne nosyswV
draw_skin_window:
inc [mouse_pause]
call [disable_mouse]
call sys_set_window
call [disable_mouse]
mov eax, [TASK_COUNT]
movzx eax, word [WIN_POS + eax*2]
cmp eax, [CURRENT_TASK]
setz al
movzx eax, al
push eax
call drawwindow_IV
;dec [mouse_pause]
;call [draw_pointer]
;ret
jmp draw_window_caption.2
nosyswV:
ret
draw_window_caption:
inc [mouse_pause]
call [disable_mouse]
xor eax,eax
mov edx,[TASK_COUNT]
movzx edx,word[WIN_POS+edx*2]
cmp edx,[CURRENT_TASK]
jne @f
inc eax
@@: mov edx,[CURRENT_TASK]
shl edx,5
add edx,window_data
movzx ebx,[edx+WDATA.fl_wstyle]
and bl,0x0F
cmp bl,3
je .draw_caption_style_3 ;{for 3 and 4 style write caption}
cmp bl,4
je .draw_caption_style_3
jmp .not_style_3
.draw_caption_style_3:
push edx
call drawwindow_IV_caption
add esp,4
jmp .2
.not_style_3:
cmp bl,2
jne .not_style_2
call drawwindow_III_caption
jmp .2
.not_style_2:
cmp bl,0
jne .2
call drawwindow_I_caption
;--------------------------------------------------------------
.2: ;jmp @f
mov edi,[CURRENT_TASK]
shl edi,5
test [edi+window_data+WDATA.fl_wstyle],WSTYLE_HASCAPTION
jz @f
mov edx,[edi*8+SLOT_BASE+APPDATA.wnd_caption]
or edx,edx
jz @f
movzx eax,[edi+window_data+WDATA.fl_wstyle]
and al,0x0F
cmp al,3
je .skinned
cmp al,4
je .skinned
jmp .not_skinned
.skinned:
mov ebp,[edi+window_data+WDATA.box.left-2]
mov bp,word[edi+window_data+WDATA.box.top]
movzx eax,word[edi+window_data+WDATA.box.width]
sub ax,[_skinmargins.left]
sub ax,[_skinmargins.right]
push edx
cwde
cdq
mov ebx,6
idiv ebx
pop edx
or eax,eax
js @f
mov esi,eax
mov ebx,dword[_skinmargins.left-2]
mov bx,word[_skinh]
sub bx,[_skinmargins.bottom]
sub bx,[_skinmargins.top]
sar bx,1
adc bx,0
add bx,[_skinmargins.top]
add bx,-3
add ebx,ebp
jmp .dodraw
.not_skinned:
cmp al,1
je @f
mov ebp,[edi+window_data+WDATA.box.left-2]
mov bp,word[edi+window_data+WDATA.box.top]
movzx eax,word[edi+window_data+WDATA.box.width]
sub eax,16
push edx
cwde
cdq
mov ebx,6
idiv ebx
pop edx
or eax,eax
js @f
mov esi,eax
mov ebx,0x00080007
add ebx,ebp
.dodraw:
mov ecx,[common_colours+16];0x00FFFFFF
or ecx, 0x80000000
xor edi,edi
; // Alver 22.06.2008 // {
; call dtext
call dtext_asciiz_esi
; } \\ Alver \\
@@:
;--------------------------------------------------------------
dec [mouse_pause]
call [draw_pointer]
ret
iglobal
align 4
window_topleft dd \
1, 21,\ ;type 0
0, 0,\ ;type 1
5, 20,\ ;type 2
5, ?,\ ;type 3 {set by skin}
5, ? ;type 4 {set by skin}
endg
set_window_clientbox:
push eax ecx edi
mov eax,[_skinh]
mov [window_topleft+4*7],eax
mov [window_topleft+4*9],eax
mov ecx,edi
sub edi,window_data
shl edi,3
test [ecx+WDATA.fl_wstyle],WSTYLE_CLIENTRELATIVE
jz @f
movzx eax,[ecx+WDATA.fl_wstyle]
and eax,0x0F
mov eax,[eax*8+window_topleft+0]
mov [edi+SLOT_BASE+APPDATA.wnd_clientbox.left],eax
shl eax,1
neg eax
add eax,[ecx+WDATA.box.width]
mov [edi+SLOT_BASE+APPDATA.wnd_clientbox.width],eax
movzx eax,[ecx+WDATA.fl_wstyle]
and eax,0x0F
push [eax*8+window_topleft+0]
mov eax,[eax*8+window_topleft+4]
mov [edi+SLOT_BASE+APPDATA.wnd_clientbox.top],eax
neg eax
sub eax,[esp]
add eax,[ecx+WDATA.box.height]
mov [edi+SLOT_BASE+APPDATA.wnd_clientbox.height],eax
add esp,4
pop edi ecx eax
ret
@@:
xor eax,eax
mov [edi+SLOT_BASE+APPDATA.wnd_clientbox.left],eax
mov [edi+SLOT_BASE+APPDATA.wnd_clientbox.top],eax
mov eax,[ecx+WDATA.box.width]
mov [edi+SLOT_BASE+APPDATA.wnd_clientbox.width],eax
mov eax,[ecx+WDATA.box.height]
mov [edi+SLOT_BASE+APPDATA.wnd_clientbox.height],eax
pop edi ecx eax
ret
sys_set_window:
mov eax,[CURRENT_TASK]
shl eax,5
add eax,window_data
; colors
mov [eax+WDATA.cl_workarea],edx
mov [eax+WDATA.cl_titlebar],esi
mov [eax+WDATA.cl_frames],edi
mov edi, eax
; check flag (?)
test [edi+WDATA.fl_wdrawn],1
jnz newd
mov eax,[timer_ticks] ;[0xfdf0]
add eax,100
mov [new_window_starting],eax
movsx eax,bx
mov [edi+WDATA.box.width],eax
movsx eax,cx
mov [edi+WDATA.box.height],eax
sar ebx,16
sar ecx,16
mov [edi+WDATA.box.left],ebx
mov [edi+WDATA.box.top],ecx
call check_window_position
call set_window_clientbox
push ecx esi edi ; save for window fullscreen/resize
;mov esi,edi
mov cl, [edi+WDATA.fl_wstyle]
mov eax, [edi+WDATA.cl_frames]
sub edi,window_data
shl edi,3
add edi,SLOT_BASE
and cl,0x0F
mov [edi+APPDATA.wnd_caption],0
cmp cl,3
je set_APPDATA_wnd_caption
cmp cl,4 ; {SPraid.simba}
je set_APPDATA_wnd_caption
jmp @f
set_APPDATA_wnd_caption:
mov [edi+APPDATA.wnd_caption],eax
@@: mov esi,[esp+0]
add edi, APPDATA.saved_box
movsd
movsd
movsd
movsd
pop edi esi ecx
mov esi, [CURRENT_TASK]
movzx esi, word [WIN_STACK+esi*2]
lea esi, [WIN_POS+esi*2]
call waredraw
;;; mov ebx, 1
;;; call delay_hs
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
call calculatescreen
mov [KEY_COUNT],byte 0 ; empty keyboard buffer
mov [BTN_COUNT],byte 0 ; empty button buffer
newd:
mov [edi+WDATA.fl_redraw],byte 0 ; no redraw
mov edx,edi
ret
syscall_windowsettings:
.set_window_caption:
dec eax ; subfunction #1 - set window caption
jnz .get_window_caption
; NOTE: only window owner thread can set its caption,
; so there's no parameter for PID/TID
mov edi,[CURRENT_TASK]
shl edi,5
; have to check if caption is within application memory limit
; check is trivial, and if application resizes its memory,
; caption still can become over bounds
; diamond, 31.10.2006: check removed because with new memory manager
; there can be valid data after APPDATA.mem_size bound
; mov ecx,[edi*8+SLOT_BASE+APPDATA.mem_size]
; add ecx,255 ; max caption length
; cmp ebx,ecx
; ja .exit_fail
mov [edi*8+SLOT_BASE+APPDATA.wnd_caption],ebx
or [edi+window_data+WDATA.fl_wstyle],WSTYLE_HASCAPTION
call draw_window_caption
xor eax,eax ; eax = 0 (success)
ret
.get_window_caption:
dec eax ; subfunction #2 - get window caption
jnz .exit_fail
; not implemented yet
.exit_fail:
xor eax,eax
inc eax ; eax = 1 (fail)
ret
sys_window_move:
mov edi,[CURRENT_TASK]
shl edi,5
add edi,window_data
test [edi+WDATA.fl_wstate],WSTATE_MAXIMIZED
jnz .window_move_return
push dword [edi + WDATA.box.left] ; save old coordinates
push dword [edi + WDATA.box.top]
push dword [edi + WDATA.box.width]
push dword [edi + WDATA.box.height]
cmp eax,-1 ; set new position and size
je .no_x_reposition
mov [edi + WDATA.box.left], eax
.no_x_reposition:
cmp ebx,-1
je .no_y_reposition
mov [edi + WDATA.box.top], ebx
.no_y_reposition:
test [edi+WDATA.fl_wstate],WSTATE_ROLLEDUP
jnz .no_y_resizing
cmp ecx,-1
je .no_x_resizing
mov [edi + WDATA.box.width], ecx
.no_x_resizing:
cmp edx,-1
je .no_y_resizing
mov [edi + WDATA.box.height], edx
.no_y_resizing:
call check_window_position
call set_window_clientbox
pushad ; save for window fullscreen/resize
mov esi,edi
sub edi,window_data
shr edi,5
shl edi,8
add edi, SLOT_BASE + APPDATA.saved_box
mov ecx,4
cld
rep movsd
popad
pushad ; calculcate screen at new position
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
call calculatescreen
popad
pop edx ; calculcate screen at old position
pop ecx
pop ebx
pop eax
add ecx,eax
add edx,ebx
mov [dlx],eax ; save for drawlimits
mov [dly],ebx
mov [dlxe],ecx
mov [dlye],edx
call calculatescreen
mov [edi + WDATA.fl_redraw], 1 ; flag the process as redraw
mov eax,edi ; redraw screen at old position
xor esi,esi
call redrawscreen
mov [DONT_DRAW_MOUSE],byte 0 ; mouse pointer
mov [MOUSE_BACKGROUND],byte 0 ; no mouse under
mov [MOUSE_DOWN],byte 0 ; react to mouse up/down
call [draw_pointer]
mov [window_move_pr],0
.window_move_return:
ret
uglobal
window_move_pr dd 0x0
window_move_eax dd 0x0
window_move_ebx dd 0x0
window_move_ecx dd 0x0
window_move_edx dd 0x0
endg
;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.
;---------------------------------------------------------------------------------------------
sys_sheduler: ;noname & halyavin
cmp eax,0
je shed_counter
cmp eax,2
je perf_control
cmp eax,3
je rdmsr_instr
cmp eax,4
je wrmsr_instr
cmp eax,1
jne not_supported
call change_task ;delay,0
ret
shed_counter:
mov eax,[context_counter]
mov [esp+36],eax
not_supported:
ret
perf_control:
inc eax ;now eax=3
cmp ebx,eax
je cache_disable
dec eax
cmp ebx,eax
je cache_enable
dec eax
cmp ebx,eax
je is_cache_enabled
dec eax
cmp ebx,eax
je modify_pce
ret
rdmsr_instr:
;now counter in ecx
;(edx:eax) esi:edi => edx:esi
mov eax,esi
rdmsr
mov [esp+36],eax
mov [esp+24],edx ;ret in ebx?
ret
wrmsr_instr:
;now counter in ecx
;(edx:eax) esi:edi => edx:esi
; Fast Call MSR can't be destroy
; Íî MSR_AMD_EFER ìîæíî èçìåíÿòü, ò.ê. â ýòîì ðåãèñòðå ëèø
; âêëþ÷àþòñÿ/âûêëþ÷àþòñÿ ðàñøèðåííûå âîçìîæíîñòè
cmp ecx, MSR_SYSENTER_CS
je @f
cmp ecx, MSR_SYSENTER_ESP
je @f
cmp ecx, MSR_SYSENTER_EIP
je @f
cmp ecx, MSR_AMD_STAR
je @f
mov eax, esi
wrmsr
; mov [esp + 36], eax
; mov [esp + 24], 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+36],ebx
cache_disabled:
mov dword [esp+36],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+36],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 dl, [eax+edx+display_data] ; 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
; 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 [REDRAW_BACKGROUND],byte 0 ; background update ?
jz nobackgr
cmp [background_defined], 0
jz nobackgr
cmp [REDRAW_BACKGROUND], byte 2
jnz 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
no_set_bgr_event:
; mov [draw_data+32 + RECT.left],dword 0
; mov [draw_data+32 + RECT.top],dword 0
; mov eax,[Screen_Max_X]
; mov ebx,[Screen_Max_Y]
; mov [draw_data+32 + RECT.right],eax
; mov [draw_data+32 + RECT.bottom],ebx
call drawbackground
mov [REDRAW_BACKGROUND],byte 0
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 [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
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
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,[dlye] ; ecx = area y end ebx = window y start
cmp ecx,ebx
jb ricino
mov ecx,[dlxe] ; 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,[dly] ; eax = area y start edx = window y end
cmp edx,eax
jb ricino
mov eax,[dlx] ; eax = area x start ecx = window x end
cmp ecx,eax
jb ricino
bgli:
cmp ecx,1
jnz .az
mov al,[REDRAW_BACKGROUND]
cmp al,2
jz newdw8
test al,al
jz .az
lea eax,[edi+draw_data-window_data]
mov ebx,[dlx]
cmp ebx,[eax+RECT.left]
jae @f
mov [eax+RECT.left],ebx
@@:
mov ebx,[dly]
cmp ebx,[eax+RECT.top]
jae @f
mov [eax+RECT.top],ebx
@@:
mov ebx,[dlxe]
cmp ebx,[eax+RECT.right]
jbe @f
mov [eax+RECT.right],ebx
@@:
mov ebx,[dlye]
cmp ebx,[eax+RECT.bottom]
jbe @f
mov [eax+RECT.bottom],ebx
@@:
jmp newdw8
.az:
mov eax,edi
add eax,draw_data-window_data
mov ebx,[dlx] ; set limits
mov [eax + RECT.left], ebx
mov ebx,[dly]
mov [eax + RECT.top], ebx
mov ebx,[dlxe]
mov [eax + RECT.right], ebx
mov ebx,[dlye]
mov [eax + RECT.bottom], ebx
sub eax,draw_data-window_data
cmp dword [esp],1
jne nobgrd
mov byte [REDRAW_BACKGROUND], 1
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
; all black
mov edi, [img_background] ;IMG_BACKGROUND ; set background to black
xor eax, eax
mov ecx, 1023 ;0x0fff00 / 4
cld
rep stosd
mov edi,display_data ; set os to use all pixels
mov eax,0x01010101
mov ecx,1280*1024 / 4
rep stosd
mov byte [REDRAW_BACKGROUND], 0 ; do not draw background!
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 [edi + TASKDATA.event_mask], ebx
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
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
; <diamond> 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
sys_programirq:
mov eax, [TASK_BASE]
add ebx, [eax + TASKDATA.mem_start]
cmp ecx, 16
jae .not_owner
mov edi, [eax + TASKDATA.pid]
cmp edi, [irq_owner + 4 * ecx]
je .spril1
.not_owner:
xor ecx, ecx
inc ecx
jmp .end
.spril1:
shl ecx, 6
mov esi, ebx
lea edi, [irq00read + ecx]
push 16
pop ecx
cld
rep movsd
.end:
mov [esp+32], ecx
ret
align 4
get_irq_data:
movzx esi, bh ; save number of subfunction, if bh = 1, return data size, otherwise, read data
xor bh, bh
cmp ebx, 16
jae .not_owner
mov edx, [4 * ebx + irq_owner] ; check for irq owner
mov eax,[TASK_BASE]
cmp edx,[eax+TASKDATA.pid]
je gidril1
.not_owner:
xor edx, edx
dec edx
jmp gid1
gidril1:
shl ebx, 12
lea eax, [ebx + IRQ_SAVE] ; calculate address of the beginning of buffer + 0x0 - data size
mov edx, [eax] ; + 0x4 - data offset
dec esi
jz gid1
test edx, edx ; check if buffer is empty
jz gid1
mov ebx, [eax + 0x4]
mov edi, ecx
mov ecx, 4000 ; buffer size, used frequently
cmp ebx, ecx ; check for the end of buffer, if end of buffer, begin cycle again
jb @f
xor ebx, ebx
@@:
lea esi, [ebx + edx] ; calculate data size and offset
cld
cmp esi, ecx ; if greater than the buffer size, begin cycle again
jbe @f
sub ecx, ebx
sub edx, ecx
lea esi, [eax + ebx + 0x10]
rep movsb
xor ebx, ebx
@@:
lea esi, [eax + ebx + 0x10]
mov ecx, edx
add ebx, edx
rep movsb
mov edx, [eax]
mov [eax], ecx ; set data size to zero
mov [eax + 0x4], ebx ; set data offset
gid1:
mov [esp+32], edx ; eax
ret
set_io_access_rights:
pushad
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
cmp ebp,0 ; enable access - ebp = 0
jne siar1
; not ebx
; and [edi],byte bl
btr [edi], eax
popad
ret
siar1:
bts [edi], eax
; or [edi],byte bl ; disable access - ebp = 1
popad
ret
r_f_port_area:
test eax, eax
jnz free_port_area
; je r_port_area
; jmp free_port_area
; r_port_area:
pushad
cmp ebx,ecx ; beginning > end ?
ja rpal1
cmp ecx,65536
jae rpal1
mov esi,[RESERVED_PORTS]
test esi,esi ; no reserved areas ?
je rpal2
cmp esi,255 ; max reserved
jae rpal1
rpal3:
mov edi,esi
shl edi,4
add edi,RESERVED_PORTS
cmp ebx,[edi+8]
ja rpal4
cmp ecx,[edi+4]
jae rpal1
; jb rpal4
; jmp rpal1
rpal4:
dec esi
jnz rpal3
jmp rpal2
rpal1:
popad
mov eax,1
ret
rpal2:
popad
; enable port access at port IO map
cli
pushad ; start enable io map
cmp ecx,65536 ;16384
jae no_unmask_io ; jge
mov eax,ebx
new_port_access:
pushad
xor ebp,ebp ; enable - eax = port
call set_io_access_rights
popad
inc eax
cmp eax,ecx
jbe new_port_access
no_unmask_io:
popad ; end enable io map
sti
mov edi,[RESERVED_PORTS]
add edi,1
mov [RESERVED_PORTS],edi
shl edi,4
add edi,RESERVED_PORTS
mov esi,[TASK_BASE]
mov esi,[esi+TASKDATA.pid]
mov [edi],esi
mov [edi+4],ebx
mov [edi+8],ecx
xor eax, eax
ret
free_port_area:
pushad
mov esi,[RESERVED_PORTS] ; no reserved areas ?
test esi,esi
je frpal2
mov edx,[TASK_BASE]
mov edx,[edx+TASKDATA.pid]
frpal3:
mov edi,esi
shl edi,4
add edi,RESERVED_PORTS
cmp edx,[edi]
jne frpal4
cmp ebx,[edi+4]
jne frpal4
cmp ecx,[edi+8]
jne frpal4
jmp frpal1
frpal4:
dec esi
jnz frpal3
frpal2:
popad
mov eax,1
ret
frpal1:
mov ecx,256
sub ecx,esi
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
cmp ecx,65536 ;16384
jge no_mask_io
mov eax,ebx
new_port_access_disable:
pushad
mov ebp,1 ; disable - eax = port
call set_io_access_rights
popad
inc eax
cmp eax,ecx
jbe new_port_access_disable
no_mask_io:
popad ; end disable io map
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]
cmp [SCR_MODE],word 0x12
je dbrv20
dbrv12:
cmp [SCR_MODE],word 0100000000000000b
jge dbrv20
cmp [SCR_MODE],word 0x13
je dbrv20
call vesa12_drawbackground
dec [mouse_pause]
call [draw_pointer]
ret
dbrv20:
cmp [BgrDrawMode],dword 1
jne bgrstr
call vesa20_drawbackground_tiled
dec [mouse_pause]
call [draw_pointer]
ret
bgrstr:
call vesa20_drawbackground_stretch
dec [mouse_pause]
call [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
.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:
; call [disable_mouse] ; this will be done in xxx_putimage
; mov eax, vga_putimage
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]
syscall_putimage_palette:
mov edi, esi
mov esi, edx
mov edx, ecx
mov ecx, ebx
mov ebx, eax
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 [disable_mouse]
cmp [SCR_MODE],word 0x12
je dbv20
sdbv20:
cmp [SCR_MODE],word 0100000000000000b
jge dbv20
cmp [SCR_MODE],word 0x13
je dbv20
call vesa12_drawbar
dec [mouse_pause]
call [draw_pointer]
ret
dbv20:
call vesa20_drawbar
dec [mouse_pause]
call [draw_pointer]
ret
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
; 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
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
_rdtsc:
bt [cpu_caps], CAPS_TSC
jnc ret_rdtsc
rdtsc
ret
ret_rdtsc:
mov edx,0xffffffff
mov eax,0xffffffff
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
if defined debug_com_base
push dx ax
@@: ; wait for empty transmit register
mov dx, debug_com_base+5
in al, dx
test al, 1 shl 5
jz @r
mov dx, debug_com_base ; TODO: replace this with variable
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
sys_process_def:
mov edi, [CURRENT_TASK]
dec eax ; 1 = set keyboard mode
jne no_set_keyboard_setup
shl edi,8
mov [edi+SLOT_BASE + APPDATA.keyboard_mode],bl
ret
no_set_keyboard_setup:
dec eax ; 2 = get keyboard mode
jne no_get_keyboard_setup
shl edi,8
movzx eax, byte [SLOT_BASE+edi + APPDATA.keyboard_mode]
mov [esp+36],eax
ret
no_get_keyboard_setup:
dec eax ; 3 = get keyboard ctrl, alt, shift
jne no_get_keyboard_cas
; 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
;// mike.dld [
mov eax, [kb_state]
;// mike.dld ]
mov [esp+36],eax
ret
no_get_keyboard_cas:
dec eax
jnz no_add_keyboard_hotkey
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+36], 1
ret
.found_free:
mov [eax+8], edi
mov [eax+4], ecx
movzx ebx, bl
lea ebx, [hotkey_scancodes+ebx*4]
mov ecx, [ebx]
mov [eax], ecx
mov [ebx], eax
mov [eax+12], ebx
jecxz @f
mov [ecx+12], eax
@@:
and dword [esp+36], 0
ret
no_add_keyboard_hotkey:
dec eax
jnz no_del_keyboard_hotkey
movzx ebx, bl
lea ebx, [hotkey_scancodes+ebx*4]
mov eax, [ebx]
.scan:
test eax, eax
jz .notfound
cmp [eax+8], edi
jnz .next
cmp [eax+4], ecx
jz .found
.next:
mov eax, [eax]
jmp .scan
.notfound:
mov dword [esp+36], 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+36], edx
ret
no_del_keyboard_hotkey:
ret
align 4
sys_gs: ; direct screen access
cmp eax,1 ; resolution
jne no_gs1
mov eax,[Screen_Max_X]
shl eax,16
mov ax,[Screen_Max_Y]
add eax,0x00010001
mov [esp+36],eax
ret
no_gs1:
cmp eax,2 ; bits per pixel
jne no_gs2
movzx eax,byte [ScreenBPP]
mov [esp+36],eax
ret
no_gs2:
cmp eax,3 ; bytes per scanline
jne no_gs3
mov eax,[BytesPerScanLine]
mov [esp+36],eax
ret
no_gs3:
mov [esp+36],dword -1
ret
align 4 ; PCI functions
sys_pci:
call pci_api
mov [esp+36],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
; mov edi, 1
call [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
syscall_cdaudio: ; CD
cmp eax, 4
jb .audio
jz .eject
cmp eax, 5
jnz .ret
.load:
call .reserve
call LoadMedium
call .free
ret
.eject:
call .reserve
call clear_CD_cache
call allow_medium_removal
call EjectMedium
call .free
ret
.audio:
call sys_cd_audio
mov [esp+36],eax
.ret:
ret
.reserve:
call reserve_cd
mov eax, ebx
shr eax, 1
and eax, 1
inc eax
mov [ChannelNumber], ax
mov eax, ebx
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 .err
ret
.free:
call free_cd_channel
and [cd_status], 0
ret
.err:
call .free
pop 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
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
inc [mouse_pause]
; Check of use of the hardware cursor.
cmp [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 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
dec [mouse_pause]
; Check of use of the hardware cursor.
cmp [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+36],eax
ret
align 4
syscall_threads: ; CreateThreads
call sys_threads
mov [esp+36],eax
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 [screen_workarea.right],eax
mov [screen_workarea.bottom], edx
inc eax
shl eax, 2 ;32 bpp
mov [BytesPerScanLine], eax
push ebx
push esi
push edi
call repos_windows
mov eax, 0
mov ebx, 0
mov ecx, [Screen_Max_X]
mov edx, [Screen_Max_Y]
call calculatescreen
pop edi
pop esi
pop ebx
popfd
ret
; --------------- APM ---------------------
apm_entry dp 0
apm_vf dd 0
align 4
sys_apm:
cmp word [apm_vf], 0 ; Check APM BIOS enable
jne @f
or [esp + 56], byte 1 ; error
mov [esp + 36], dword 8 ; 32-bit protected-mode interface not supported
ret
@@:
xchg eax, ecx
xchg ebx, ecx
cmp al, 3
ja @f
and [esp + 56], byte 0xfe ; emulate func 0..3 as func 0
mov eax, [apm_vf]
mov [esp + 36], eax
shr eax, 16
mov [esp + 32], 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 + 8 ], edi
mov [esp + 12], esi
mov [esp + 24], ebx
mov [esp + 28], edx
mov [esp + 32], ecx
mov [esp + 36], eax
setc al
and [esp + 56], byte 0xfe
or [esp + 56], 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
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
mov esi,OS_BASE+0x2F0000 ; restore 0x0 - 0xffff
mov edi, OS_BASE
mov ecx,0x10000/4
cld
rep movsd
call restorefatchain
mov al, 0xFF
out 0x21, al
out 0xA1, al
if 1
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
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 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:
mov edx, [ebx+64]
in ax, dx
and ax, 203h
or ax, 3C00h
out dx, ax
mov edx, [ebx+68]
test edx, edx
jz @f
in ax, dx
and ax, 203h
or ax, 3C00h
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
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,$