Subversion Repositories Kolibri OS

;

;   MEMORY MAP

;

;   Boot:

;

;  0:7C00->7CFF   boot_code

;

;   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

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

;   0:9020     8bytes pci data

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

;   0:9031     word   IDEContrRegsBaseAddr

;    0x9040 - dword - entry point of APM BIOS

;    0x9044 -  word - version (BCD)

;    0x9046 -  word - flags

;   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 -> 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   byte   slot state: 0=running, 1,2=suspended

;                        3=zombie, 4=terminate,

;                        5=waiting for event, 9 = not used

;         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  ->   73FF   << FLOPPY buffer (9k)                             - fs/fat12.inc

;   7400  ->   78ff   << IDT for int_0x00..int_0x40 + reserv

;   7900  ->   7EFF   << saved picture under mouse pointer (1k5)

;

;   7F00  ->   7FFF   << SB16_Status (256)

;

; XX  8000  ->   BFFF   free (16k)  XX

; 0x80008000 -> 9FFF   ramdisk fat    (8k)

; 0x8000A000 -> BFFF   floppy  fat    (8k)

;   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

;                     - D201..D2A1 cleaned in fdc.init (fs/fdc.inc)

;   D400  ->   DFFF   free (3k)

;   E000  ->   F9FF   free (6k5)

;   FA00  byte        no of keys in buffer

;   FA01  byte        'buffer'

;   FA02  ->   FAFF   reserved for keys

;   FB00  byte        no of buttons in buffer

;   FB01  dword       'buffer'

;   FB02  ->   FBFF   reserved for buttons

;   FC00  ->   FCFE   com1/ps2 buffer

;   FCFF              com1/ps2 buffer count starting from FC00

;   FD00  ->   FDFF   free (256)

;   FE00  ->   FE0F   mouse memory 00 chunk count, that includes:

;   FE08 word       -- mouse H-scroll

;   FE0A word       -- mouse x

;   FE0C word         -- mouse y

;   FE0E word       -- mouse V-scroll

;   FE10  ->   FB17   mouse color mem

;   FE21              x move

;   FE22              y move

;   FE28              high bits temp

;   FE30              color temp

;   FE40  byte        buttons down

;   FE44  byte        0 mouse down -> do not draw

;   FE4A  ->   FE4D   FE4A-B x-under - FE4C-D y-under

;   FEB8  dword       putpixel address

;   FEBC  dword       getpixel address

;   FEC1  byte        bits per pixel

;   FEC4  dword       mouse appearance counter

;   FEC8  dword       x & y temp for windowmove

;   FECC  dword       tsc / second

;   FED0  dword       screen x size

;   FED4  dword       screen y size

;   FED8  dword       screen y multiplier

;   FEDC  dword       screen mode

;   FEE4  dword       PCIe extended (memory-mappable) config space - physical address

;   FEE8  dword       PCIe extended config space limit

;   FEEC  word        number of 4M-pages needed to map PCIe config space

;   FEEE  word        PCIe bus range (power-ow-two Mbytes)

;   FEF0  dword       physical address of user-accessible static system buffer

;   FEF4  dword       physical address of LFB

;   FEF8  dword       address of button list

;   FEFC  dword       memory to use

;   FF00  byte        1 = system shutdown request

;   FF01  byte        task activation request?

;   FFE4  ->   FFEF   background info

;   FFF0  byte        >0 if redraw background request from app

;   FFF1  byte        >0 if background changed

;   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 ->  6CBFF   the kernel (up to 371 Kb)

;       in the current version:

;            ->  00B3C   16-bit code end

;            ->  00C40   16-bit data end

;            ->  105F0   32-bit code start

;            ->  2C889   32-bit code end

;            ->  2FC28..end_of_kernel    zero-filled zone after preinit_mem

;            ->  33563   uninitialized globals start

;            ->  3B752   end_of_kernel

;            ->  3C000   not used (>200k)

; 0x80050000 -> 090000   zero-filled zone after preinit_mem

; 0x8006CC00 ->  6DBFF   stack at boot time (4Kb)

;

; 0x8006DC00 ->  6E5FF   basic text font II

; 0x8006E600 ->  6Efff   basic text font I

; 0x8006F000 ->  6FFFF   main page directory

; 0x80070000 ->  7FFFF   data of retrieved disks and partitions (Mario79)

; 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   wav device buffer (64k)        ; << SB16Buffer

; 0x800A0000 ->  AFFFF   screen access area               << VGA legacy buffer

; 0x800B0000 ->  FFFFF   bios rest in peace -area (320k), << purpose unknown

; 0x80100000 -> 283FFF   diskette image (1m5)

; 0x80284000 -> HEAP_BASE zero-filled zone after preinit_mem

;

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

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

;

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

;

; 0x802A0000 -> 2Bffff   free (128k)

; 0x80328000 -> 32FFFF   !vrr driver      (32k)

; 0x80338000 -> 338FFF 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

; 0x80339000 -> 3BFFF3   free (12k)

; 0x802C0000 -> 2C3fff   button info (8k)

;

;       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

;

; 0x802C4000 -> 2CFFFF   free (48k)

;

; 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

;

; 0x80370000 -> 37FFFF   irq data area   (64k)

; 0x80380000 -> 38FFFF   low memory save (64k)

;

; 0x80390000 -> 3AFFFF   tcp memory       (128k)

; 0x803B0000 -> 3B7FFF   tcp memory       (32k)

; 0x803B8000 -> 3BFFFF   skin data              (32k)

; 0x803C0000             page map     (length b = memsize shr 15)

; 0x803C0000 + b         start of static pagetables

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

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

; 0x805FF000 -> 5FFF80   TSS

; 0x80600000 -> 601FFF   i/o maps

; 0x80800000 ->827FFFFF  kernel heap

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

; 0xFD000000 -> 0xFD3FFFFF  static system buffer 4Mb

; 0xFDC00000 -> 0xFDFFFFFF  page tables 4Mb

; 0xFE000000 -> 0xFFFFFFFF  LFB 32Mb

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

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