Subversion Repositories Kolibri OS

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;; Copyright (C) KolibriOS team 2004-2022. All rights reserved. ;;

;; Distributed under terms of the GNU General Public License    ;;

;;                                                              ;;

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;

;   MEMORY MAP

;

;   Boot:

;

;   BOOT_LO / boot_data structure

;   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

;   0:9014     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   (0 or 1) start the first app (right now it's LAUNCHER) after kernel is loaded?

;   0:901E     byte   If nonzero, duplicates debug output to the screen.

;   0:901F     byte   DMA write : 1=yes, 2=no

;   0:9020     8bytes pci data

;   0:9030     byte   shutdown type (see sysfn 18.9)

;   0:9040     dword  entry point of APM BIOS

;   0:9044     word   version (BCD)

;   0:9046     word   flags

;   0:9050     word   APM_CODE_32

;   0:9052     word   APM_CODE_16

;   0:9054     word   APM_DATA_16

;   0:907F     byte   number of BIOS hard disks

;   0:9080     Nbytes BIOS hard disks

;   0:9100     word   available physical memory map: number of blocks

;   0:9104            available physical memory map: blocks

;

;   Runtime:

;

; 0x00000000 -> 0x7FFFFFFF  application 2Gb

; 0x80000000 -> 0FFF  physical page zero - do not write

;                     (used by int 13h in some configurations)

;

; 0x80001000 -> 8FFF   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

;

;   8000  ->   A3FF   used FLOPPY driver

;

;   A400  ->   B0FF   free (3k3), unused ACTIVE_PROC_STACK

;   B100  ->   B307   IDT for int_0x00..int_0x40

;   B308  ->   BFFF   free (3k3)

;   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 (3k)

;   E000  byte        multitasking started

;   E020  dword       putpixel address

;   E024  dword       getpixel address

;   E030  dword       Vesa 1.2 pm bank switch address

;   E034  ->   F1FF   free (4k5)

;   F200  dword       mousepicture -pointer

;   F204  dword       mouse appearance counter

;   F208  ->   F2FF   free (248)

;   F300  dword       x & y temp for windowmove

;   F304  ->   F3FF   free (252)

;   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        (unused?) mouse port: 1 ps2, 2 com1, 3 com2

;   F605  ->   FAFF   free (1k2)

;   FB00  ->   FB0F   mouse memory 00 chunk count, that includes:

;   FB08 word       -- mouse H-scroll

;   FB0A word       -- mouse x

;   FB0C word         -- mouse y

;   FB0E word       -- mouse V-scroll

;   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

;   FBF1  byte        bits per pixel

;   FC00  ->   FCFE   com1/ps2 buffer

;   FCFF              com1/ps2 buffer count starting from FC00

;   FD00  ->   FDFF   free (256)

;   FE00  dword       screen x size

;   FE04  dword       screen y size

;   FE08  dword       screen y multiplier

;   FE0C  dword       screen mode

;   FE10  ->   FE7F   free (112)

;   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

;   FE90  ->   FEFF   free (112)

;   FF00  byte        1 = system shutdown request

;   FF01  byte        task activation request?

;   FFF0  byte        >0 if redraw background request from app

;   FFF1  byte        free

;   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.

;

; 0x80010000 ->  7BC00   kernel, 32-bit run-time code (up to 431k)

;

; 0x8007CC00 ->  7DBFF   stack at boot time (4k)

; 0x8007E000 ->  7FFFF   main page directory

; 0x80080000 ->  8FFFF   additional app info, in 256 byte steps - 256 entries

;

;         00  11db  name of app running

;       0x10 dword  pointer to  fpu save area

;       0x14 dword  event count

;       0x18 dword  user fpu exceptoins handler

;       0x1c dword  user sse exceptions handler

;         20 dword  PL0 stack base

;         24 dword  user heap base

;         28 dword  user heap top

;         2c dword  window cursor handle

;         30 dword  first event in list

;         34 dword  last event in list

;         38 dword  first kernel object in list

;         3c dword  last kernel object in list

;         40 dword  thread esp

;         44 dword  io permission map page 0

;         48 dword  io permission map page 1

;         4c dword  debug state: 1= load debug registers

;         50 dword  current directory ptr

;         54 dword  wait timeout

;         58 dword  thread TSS._esp0 (= pl0 stack base + size except for V86)

;         5C-7F     unused

;

;         80 dword  address of random shaped window area

;         84 byte   shape area scale

;         88 dword  free

;         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,..

;         AC dword  0 or debugger slot

;         B0 dword  free

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

;         B8 dword  physical address of directory table

;         BC dword  address of debug event memory

;         C0  5 dd  thread debug registers: DR0,DR1,DR2,DR3,DR7

;

; 0x80090000 ->  9FFFF   free (64k)

; 0x800A0000 ->  AFFFF   screen access area

; 0x800B0000 ->  FFFFF   bios rest in peace -area (320k)        ?

; 0x80100000 -> 27FFFF   diskette image (1m5)

; 0x80280000 -> 283FFF   free (16k)

;

; 0x80284000 -> 28BFFF   HDD DMA AREA   (32k)

; 0x8028C000 -> 297FFF   free (48k)

;

; 0x80298000 -> 29FFFF   auxiliary table for background smoothing code (32k)

;

; 0x802A0000 -> 2B00FF   wav device buffer (64k)

; 0x802A0000 -> 2B00FF   wav device status (256)

;

; 0x802B0100 -> 2B3FFD   free (15k7)

;

; 0x802B3FEE -> 2B3FEF   button info (64K+ 16 + 2 byte)

;     2B3FEE   0000 word    number of buttons

;     2B3FF0    first button entry

;

;        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

;

; 0x802C4000 -> 2C9FFF   area for fast getting offset to LFB (24k)

;                        BPSLine_calc_area

; 0x802CA000 -> 2CFFFF   area for fast getting offset to _WinMapAddress (24k)

;                        d_width_calc_area

;

; 0x802D0000 -> 2DFFFF   reserved port area (64k)

;

;       0000 dword   no of port areas reserved

;       0010 dword   process id

;            dword   start port

;            dword   end port

;            dword   0

;

; 0x802E0000 -> 2EFFFF   irq data area  (64k)  ;BOOT_VAR

;

; 0x802F0000 -> 317fff   free (160k)

;

; 0x80318000 -> 31ffff   skin_data (32k)

;

; 0x80320000 -> 323FF3   draw data     - 256 entries (4k)

;         00   dword  draw limit - x start

;         04   dword  draw limit - y start

;         08   dword  draw limit - x end

;         0C   dword  draw limit - y end

;

; 0x8032BFF4 -> 32BFFF   background info

;         0x80323FF4    BgrDrawMode

;         0x80323FF8    BgrDataWidth

;         0x80323FFC    BgrDataHeight

;

; 0x80324000             page map     (length b = memsize shr 15)

; 0x80324000 + b         start of static pagetables

; 0x803FFFFF <- no direct address translation beyond this point

; =============================================================

; 0x805FF000 -> 5FFF80   TSS

; 0x80600000 -> 601FFF   i/o maps

; 0x80800000 ->       kernel heap

; 0x80FFFFFF          heap min limit

; 0xFDBFFFFF          heap max limit

; 0xF0000000 -> 0xF1FFFFFF  PCI-express extended config space

; 0xFDC00000 -> 0xFDFFFFFF  page tables 4Mb

; 0xFE000000 -> 0xFFFFFFFF  LFB 32Mb

; 0xFE000000 -> 0xFE7FFFFF  application available LFB 8Mb

; 0xFE800000 -> 0xFFFFFFFF  kernel LFB part 24 Mb