Subversion Repositories Kolibri OS

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;   MEMORY MAP

;

;   Boot:

;

;   0:9000     byte   bits per pixel

;   0:9001     word   scanline length

;   0:9008     word   vesa video mode

;   0:900A     word   X res

;   0:900C     word   Y res

;   0:9010     byte   mouse port  - not used

;   0:9014     dword  Vesa 1.2 pm bank switch

;   0:9018     dword  Vesa 2.0 LFB address

;   0:901C     byte   0 or 1 : enable MTRR graphics acceleration

;   0:901D     byte   not used anymore (0 or 1 : enable system log display)

;   0:901E     byte   0 or 1 : enable direct lfb write, paging disabled

;   0:9020     8bytes pci data

;   0:9030     byte   VRR start enabled 1, 2-no

;   0:9031     word   IDEContrRegsBaseAddr

;

;

;   Runtime:

;

;   0000  ->   2FFF   window_data   - 256 entries

;

;         0000 dword  x start

;         0004 dword  y start

;         0008 dword  x size

;         000C dword  y size

;         0010 dword  color of work area

;         0014 dword  color of grab bar

;         0018 dword  color of frames

;         001C dword  window flags, +30 = window drawn, +31 redraw flag

;

;   3000  ->   4FFF   task list      - 256 entries

;

;         00   dword  process count

;         04   dword  no of processes

;         10   dword  base of running process at 0x3000+

;

;         20   dword  application event mask

;         24   dword  PID - process identification number

;         2a   word   0, state 3=zombie, 4=terminate

;         2e   byte   window number on screen

;         30   dword  exact position in memory

;         34   dword  counter sum

;         38   dword  time stamp counter add

;         3c   dword  cpu usage in cpu timer tics

;

;

;   5000  ->   5FFF   save_syscall_data - syscall trace

;   6000  ->   68FF   free

;   6900  ->   6EFF   saved picture under mouse pointer

;

;   6F00  ->   7FFF   free

;

;   8000  ->   A3FF   used FLOPPY driver

;

;   A400  ->   AFFF   free

;

;   B000  ->   B005   jump address for irq0 (task switch)

;   B008  ->   B00B   count of ticks remaining to updating CPU usage info

;   B060  ->   B0FF   free

;   B100  ->   B2FF   IDT

;   B300  ->   BFFF   free

;   C000  ->   C3FF   window stack C000 no of windows - all in words

;   C402  ->   C7FF   window position in stack

;   D000  ->   D1FF   FDC controller

;   D200  ->   D3FF   FDC controller for Fat12

;   D400  ->   DFFF   free

;   E000  byte        multitasking started

;   E004  dword       save for boot mem 0x24

;   E010  dword       pm bank switch address

;   E014  dword       window multiplier

;   E020  dword       putpixel address

;   E024  dword       getpixel address

;   E030  dword       Vesa 1.2 pm bank switch address

;   F000  dword       hd partition 1 start

;   F004  dword       root start at partition 1

;   F008  dword       root start at hd

;   F100  byte        1=only os draw on screen

;   F200  dword       mousepicture -pointer

;   F204  dword       mouse appearance counter

;   F300  dword       x & y temp for windowmove

;   F400  byte        no of keys in buffer

;   F401  byte        'buffer'

;   F402  ->   F4FF   reserved for keys

;   F500  byte        no of buttons in buffer

;   F501  dword       'buffer'

;   F502  ->   F5FF   reserved for buttons

;   F600  dword       tsc / second

;   F604  byte        mouse port: 1 ps2, 2 com1, 3 com2

;   FB00  ->   FB0F   mouse memory 00 chunk count - FB0A-B x - FB0C-D y

;   FB10  ->   FB17   mouse color mem

;   FB21              x move

;   FB22              y move

;   FB28              high bits temp

;   FB30              color temp

;   FB40  byte        buttons down

;   FB44  byte        0 mouse down -> do not draw

;   FB4A  ->   FB4D   FB4A-B x-under - FB4C-D y-under

;   FBF0  byte        multiplied window

;   FBF1  byte        bits per pixel

;   FC00  ->   FCFE   com1/ps2 buffer

;   FCFF              com1/ps2 buffer count starting from FC00

;   FDF0  ->   FDF3   timer tick inc every 1/100 sec 4 bytes

;   FE00  dword       screen x size

;   FE04  dword       screen y size

;   FE08  dword       screen y multiplier

;   FE0C  dword       screen mode

;   FE10  dword       entries in hd cache

;   FE80  dword       address of LFB in physical

;   FE84  dword       address of applications memory start in physical

;   FE88  dword       address of button list

;   FE8C  dword       memory to use

;   FF00  byte        1 = system shutdown request

;   FF01  dword       if >1 then activate process

;   FFF0  byte        1 = redraw background request from app

;   FFF1  byte        1 = diskette int occur

;   FFF2              write and read bank in screen

;   FFF4  byte        0 if first mouse draw & do not return picture under

;   FFF5  byte        1 do not draw pointer

;   FFFF  byte        do not change task for 1/100 sec.

;

;  10000  ->  1FFFF   32 bit os

;  20000  ->  2FFFF   32 bit stack

;  30000  ->  36FFF   basic text font II

;  37000  ->  3BFFF   basic text font I

;  40000  ->  4FFFF   data of retrieved disks and partitions (Mario79)

;  50000  ->  5FFFF   free

;  60000  ->  7FFFF   paging tables

;  80000  ->  8FFFF   additional app info, in 256 byte steps - 256 entries

;

;           00  11db  name of app running

;           10 108db  floating point unit save area

;           7f byte   0= no fpu saved ,  1= fpu saved to 0x10 -> restore

;           80 dword  address of random shaped window area

;           84 byte   shape area scale

;           88 dword  used GDT of TSS

;           8C dword  application memory size

;           90 dword  window X position save

;           94 dword  window Y position save

;           98 dword  window X size save

;           9C dword  window Y size save

;           A0 dword  IPC memory start

;           A4 dword  IPC memory size

;           A8 dword  event bits: mouse, stack,..

;

;           B0 dword  int40 handler in use ; 0 if not in use

;           B4  byte  keyboard mode: 0 = keymap, 1 = scancodes

;

;  90000  ->  9FFFF   tmp

;  A0000  ->  AFFFF   screen access area

;  B0000  ->  FFFFF   bios rest in peace -area

; 100000  -> 27FFFF   diskette image

; 280000  -> 281FFF   ramdisk fat

; 282000  -> 283FFF   floppy  fat

;

; 284000  -> 29FFFF   free

;

; 2A0000  -> 2B00ff   wav device data

; 2C0000  -> 2C3fff   button info

;

;        0000 word    number of buttons

;        first button entry at 0x10

;        +0000 word   process number

;        +0002 word   button id number : bits 00-15

;        +0004 word   x start

;        +0006 word   x size

;        +0008 word   y start

;        +000A word   y size

;        +000C word   button id number : bits 16-31

;

; 2D0000  -> 2DFFFF   reserved port area

;

;     0000   dword    no of port areas reserved

;     0010   dword    process id

;            dword    start port

;            dword    end port

;            dword    0

;

; 2E0000  -> 2EFFFF   irq data area

; 2F0000  -> 2FFFFF   low memory save

;

; 300000  -> 45FFFF   background image, max 1 M

;

; 460000  -> 5FFFFF   display info

;

; 600000  -> 6FFFFF   hd cache

;

; 700000  -> 71ffff   tcp memory       (128 kb)

; 720000  -> 75ffff   interrupt stacks (256 kpl * 1024)

;

; 760000  -> 76ffff   !vrr driver

; 770000  -> 777fff   tcp memory       ( 32 kb)

;

; 778000  -> 77ffff   window skinning  ( 32 kb)

; 780000  -> 7fffff   free

;

; 800000  -> BFFFFF   mapped to LFB

;

;

; C00000  -> C01FFF   draw_data   - 256 entries

;

;         00   dword  draw limit - x start

;         04   dword  draw limit - y start

;         08   dword  draw limit - x end

;         0C   dword  draw limit - y end

;         1C   dword  app int vector

;

; C03000  -> D11fff   sysint_stack_data

;                     - interrupt stacks

;                     - 256 entries * 4096 step

;

; D20000  -> F28000   TSS and IO map for (8192*8)=65536 ports

;                     (128+8192)*256 = 557956 = 0x88000

;

; 1000000 -> 3FFFFFF  for applications

;