Subversion Repositories Kolibri OS

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

;;                                                              ;;

;; Copyright (C) KolibriOS team 2004-2021. All rights reserved. ;;

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

;;                                                              ;;

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

$Revision: 9038 $

dpl0    =  10010000b      ; data read       dpl0

drw0    =  10010010b      ; data read/write dpl0

drw3    =  11110010b      ; data read/write dpl3

cpl0    =  10011010b      ; code read dpl0

cpl3    =  11111010b      ; code read dpl3

D32     =  01000000b      ; 32bit segment

G32     =  10000000b      ; page gran

;;;;;;;;;;; task manager errors ;;;;;;;;;;

TASKMAN_ERROR_OUT_OF_MEMORY      = 30 ; 0x1E

TASKMAN_ERROR_NOT_A_EXECUTABLE   = 31 ; 0x1F

TASKMAN_ERROR_TOO_MANY_PROCESSES = 32 ; 0x20

;;;;;;;;;;;;cpu_caps flags;;;;;;;;;;;;;;;;

CPU_386        = 3

CPU_486        = 4

CPU_PENTIUM    = 5

CPU_P6         = 6

CPU_PENTIUM4   = 0x0F

CAPS_FPU       =    00 ;on-chip x87 floating point unit

CAPS_VME       =    01 ;virtual-mode enhancements

CAPS_DE        =    02 ;debugging extensions

CAPS_PSE       =    03 ;page-size extensions

CAPS_TSC       =    04 ;time stamp counter

CAPS_MSR       =    05 ;model-specific registers

CAPS_PAE       =    06 ;physical-address extensions

CAPS_MCE       =    07 ;machine check exception

CAPS_CX8       =    08 ;CMPXCHG8B instruction

CAPS_APIC      =    09 ;on-chip advanced programmable

                       ;interrupt controller

;                   10 ;unused

CAPS_SEP       =    11 ;SYSENTER and SYSEXIT instructions

CAPS_MTRR      =    12 ;memory-type range registers

CAPS_PGE       =    13 ;page global extension

CAPS_MCA       =    14 ;machine check architecture

CAPS_CMOV      =    15 ;conditional move instructions

CAPS_PAT       =    16 ;page attribute table

CAPS_PSE36     =    17 ;page-size extensions

CAPS_PSN       =    18 ;processor serial number

CAPS_CLFLUSH   =    19 ;CLFUSH instruction

CAPS_DS        =    21 ;debug store

CAPS_ACPI      =    22 ;thermal monitor and software

                       ;controlled clock supported

CAPS_MMX       =    23 ;MMX instructions

CAPS_FXSR      =    24 ;FXSAVE and FXRSTOR instructions

CAPS_SSE       =    25 ;SSE instructions

CAPS_SSE2      =    26 ;SSE2 instructions

CAPS_SS        =    27 ;self-snoop

CAPS_HTT       =    28 ;hyper-threading technology

CAPS_TM        =    29 ;thermal monitor supported

CAPS_IA64      =    30 ;IA64 capabilities

CAPS_PBE       =    31 ;pending break enable

;ecx

CAPS_SSE3      =    32 ;SSE3 instructions

;                   33

;                   34

CAPS_MONITOR   =    35 ;MONITOR/MWAIT instructions

CAPS_DS_CPL    =    36 ;

CAPS_VMX       =    37 ;virtual mode extensions

;                   38 ;

CAPS_EST       =    39 ;enhansed speed step

CAPS_TM2       =    40 ;thermal monitor2 supported

;                   41

CAPS_CID       =    42 ;

;                   43

;                   44

CAPS_CX16      =    45 ;CMPXCHG16B instruction

CAPS_xTPR      =    46 ;

CAPS_XSAVE     =    32 + 26 ; XSAVE and XRSTOR instructions

CAPS_OSXSAVE   =    32 + 27

; A value of 1 indicates that the OS has set CR4.OSXSAVE[bit 18] to enable

; XSETBV/XGETBV instructions to access XCR0 and to support processor extended

; state management using XSAVE/XRSTOR.

CAPS_AVX       =    32 + 28 ; not AVX2

;

;reserved

;

;ext edx /ecx

CAPS_SYSCAL    =    64 ;

CAPS_XD        =    65 ;execution disable

CAPS_FFXSR     =    66 ;

CAPS_RDTSCP    =    67 ;

CAPS_X64       =    68 ;

CAPS_3DNOW     =    69 ;

CAPS_3DNOWEXT  =    70 ;

CAPS_LAHF      =    71 ;

CAPS_CMP_LEG   =    72 ;

CAPS_SVM       =    73 ;secure virual machine

CAPS_ALTMOVCR8 =    74 ;

; CPU MSR names

MSR_SYSENTER_CS         =     0x174

MSR_SYSENTER_ESP        =     0x175

MSR_SYSENTER_EIP        =     0x176

MSR_CR_PAT              =     0x277

MSR_MTRR_DEF_TYPE       =     0x2FF

MSR_AMD_EFER            =     0xC0000080      ; Extended Feature Enable Register

MSR_AMD_STAR            =     0xC0000081      ; SYSCALL/SYSRET Target Address Register

CR0_PE         =    0x00000001   ;protected mode

CR0_MP         =    0x00000002   ;monitor fpu

CR0_EM         =    0x00000004   ;fpu emulation

CR0_TS         =    0x00000008   ;task switch

CR0_ET         =    0x00000010   ;extension type hardcoded to 1

CR0_NE         =    0x00000020   ;numeric error

CR0_WP         =    0x00010000   ;write protect

CR0_AM         =    0x00040000   ;alignment check

CR0_NW         =    0x20000000   ;not write-through

CR0_CD         =    0x40000000   ;cache disable

CR0_PG         =    0x80000000   ;paging

CR4_VME        =    0x000001

CR4_PVI        =    0x000002

CR4_TSD        =    0x000004

CR4_DE         =    0x000008

CR4_PSE        =    0x000010

CR4_PAE        =    0x000020

CR4_MCE        =    0x000040

CR4_PGE        =    0x000080

CR4_PCE        =    0x000100

CR4_OSFXSR     =    0x000200

CR4_OSXMMEXPT  =    0x000400

CR4_OSXSAVE    =    0x040000

XCR0_FPU_MMX   =    0x0001

XCR0_SSE       =    0x0002

XCR0_AVX       =    0x0004

XCR0_MPX       =    0x0018

XCR0_AVX512    =    0x00e0

MXCSR_IE       =    0x0001

MXCSR_DE       =    0x0002

MXCSR_ZE       =    0x0004

MXCSR_OE       =    0x0008

MXCSR_UE       =    0x0010

MXCSR_PE       =    0x0020

MXCSR_DAZ      =    0x0040

MXCSR_IM       =    0x0080

MXCSR_DM       =    0x0100

MXCSR_ZM       =    0x0200

MXCSR_OM       =    0x0400

MXCSR_UM       =    0x0800

MXCSR_PM       =    0x1000

MXCSR_FZ       =    0x8000

MXCSR_INIT     = MXCSR_IM + MXCSR_DM + MXCSR_ZM + MXCSR_OM + MXCSR_UM + MXCSR_PM

EFLAGS_CF      =    0x000001  ; carry flag

EFLAGS_PF      =    0x000004  ; parity flag

EFLAGS_AF      =    0x000010  ; auxiliary flag

EFLAGS_ZF      =    0x000040  ; zero flag

EFLAGS_SF      =    0x000080  ; sign flag

EFLAGS_TF      =    0x000100  ; trap flag

EFLAGS_IF      =    0x000200  ; interrupt flag

EFLAGS_DF      =    0x000400  ; direction flag

EFLAGS_OF      =    0x000800  ; overflow flag

EFLAGS_IOPL    =    0x003000  ; i/o priviledge level

EFLAGS_NT      =    0x004000  ; nested task flag

EFLAGS_RF      =    0x010000  ; resume flag

EFLAGS_VM      =    0x020000  ; virtual 8086 mode flag

EFLAGS_AC      =    0x040000  ; alignment check flag

EFLAGS_VIF     =    0x080000  ; virtual interrupt flag

EFLAGS_VIP     =    0x100000  ; virtual interrupt pending

EFLAGS_ID      =    0x200000  ; id flag

IRQ_PIC        =    0

IRQ_APIC       =    1

struct  TSS

        _back       rw 2

        _esp0       rd 1

        _ss0        rw 2

        _esp1       rd 1

        _ss1        rw 2

        _esp2       rd 1

        _ss2        rw 2

        _cr3        rd 1

        _eip        rd 1

        _eflags     rd 1

        _eax        rd 1

        _ecx        rd 1

        _edx        rd 1

        _ebx        rd 1

        _esp        rd 1

        _ebp        rd 1

        _esi        rd 1

        _edi        rd 1

        _es         rw 2

        _cs         rw 2

        _ss         rw 2

        _ds         rw 2

        _fs         rw 2

        _gs         rw 2

        _ldt        rw 2

        _trap       rw 1

        _io         rw 1

                    rb 24

        _io_map_0   rb 4096

        _io_map_1   rb 4096

ends

DRIVE_DATA_SIZE     = 16

OS_BASE             = 0x80000000

window_data         = OS_BASE + 0x0001000

TASK_TABLE          = OS_BASE + 0x0003000

;CURRENT_TASK        = OS_BASE + 0x0003000

;TASK_COUNT          = OS_BASE + 0x0003004

TASK_BASE           = OS_BASE + 0x0003010

TASK_DATA           = OS_BASE + 0x0003020

;TASK_EVENT          = OS_BASE + 0x0003020

CDDataBuf           = OS_BASE + 0x0005000

;unused                 0x6000 - 0x8fff

BOOT_VARS           = 0x9000

idts                = OS_BASE + 0x000B100

WIN_STACK           = OS_BASE + 0x000C000

WIN_POS             = OS_BASE + 0x000C400

FDD_BUFF            = OS_BASE + 0x000D000     ;512

WIN_TEMP_XY         = OS_BASE + 0x000F300

KEY_COUNT           = OS_BASE + 0x000F400

KEY_BUFF            = OS_BASE + 0x000F401 ; 120*2 + 2*2 = 244 bytes, actually 255 bytes

BTN_COUNT           = OS_BASE + 0x000F500

BTN_BUFF            = OS_BASE + 0x000F501

BTN_ADDR            = OS_BASE + 0x000FE88

MEM_AMOUNT          = OS_BASE + 0x000FE8C

SYS_SHUTDOWN        = OS_BASE + 0x000FF00

TMP_STACK_TOP       = 0x007CC00

sys_proc            = OS_BASE + 0x007E000

SLOT_BASE           = OS_BASE + 0x0080000

VGABasePtr          = OS_BASE + 0x00A0000

virtual at            OS_BASE + 0x05FFF80

  tss  TSS

end virtual

HEAP_BASE           = OS_BASE + 0x0800000

HEAP_MIN_SIZE       = 0x01000000

page_tabs           = 0xFDC00000

app_page_tabs       = 0xFDC00000

kernel_tabs         = page_tabs + (OS_BASE shr 10)   ;0xFDE00000

master_tab          = page_tabs + (page_tabs shr 10) ;0xFDFF70000

LFB_BASE            = 0xFE000000

new_app_base        = 0;

twdw                = TASK_TABLE - window_data

std_application_base_address   = new_app_base

RING0_STACK_SIZE    = 0x2000

REG_SS              = RING0_STACK_SIZE -  4

REG_APP_ESP         = RING0_STACK_SIZE -  8

REG_EFLAGS          = RING0_STACK_SIZE - 12

REG_CS              = RING0_STACK_SIZE - 16

REG_EIP             = RING0_STACK_SIZE - 20

REG_EAX             = RING0_STACK_SIZE - 24

REG_ECX             = RING0_STACK_SIZE - 28

REG_EDX             = RING0_STACK_SIZE - 32

REG_EBX             = RING0_STACK_SIZE - 36

REG_ESP             = RING0_STACK_SIZE - 40  ;RING0_STACK_SIZE-20

REG_EBP             = RING0_STACK_SIZE - 44

REG_ESI             = RING0_STACK_SIZE - 48

REG_EDI             = RING0_STACK_SIZE - 52

REG_RET             = RING0_STACK_SIZE - 56  ;irq0.return

PAGE_SIZE           = 4096

PG_UNMAP            = 0x000

PG_READ             = 0x001

PG_WRITE            = 0x002

PG_USER             = 0x004

PG_PCD              = 0x008

PG_PWT              = 0x010

PG_ACCESSED         = 0x020

PG_DIRTY            = 0x040

PG_PAT              = 0x080

PG_GLOBAL           = 0x100

PG_SHARED           = 0x200

PG_SWR              = 0x003 ; PG_WRITE + PG_READ

PG_UR               = 0x005 ; PG_USER + PG_READ

PG_UWR              = 0x007 ; PG_USER + PG_WRITE + PG_READ

PG_NOCACHE          = 0x018 ; PG_PCD + PG_PWT

PDE_LARGE           = 0x080

MEM_WB              = 6     ; write-back memory

MEM_WC              = 1     ; write combined memory

MEM_UC              = 0     ; uncached memory

PAT_WB              = 0x000

PAT_WC              = 0x008

PAT_UCM             = 0x010

PAT_UC              = 0x018

PAT_TYPE_UC         = 0

PAT_TYPE_WC         = 1

PAT_TYPE_WB         = 6

PAT_TYPE_UCM        = 7

PAT_VALUE           = 0x00070106; (UC<<24)|(UCM<<16)|(WC<<8)|WB

MAX_MEMMAP_BLOCKS   = 32

EVENT_REDRAW       = 0x00000001

EVENT_KEY          = 0x00000002

EVENT_BUTTON       = 0x00000004

EVENT_BACKGROUND   = 0x00000010

EVENT_MOUSE        = 0x00000020

EVENT_IPC          = 0x00000040

EVENT_NETWORK      = 0x00000080

EVENT_DEBUG        = 0x00000100

EVENT_NETWORK2     = 0x00000200

EVENT_EXTENDED     = 0x00000400

EV_INTR            = 1

STDIN_FILENO       = 0

STDOUT_FILENO      = 1

STDERR_FILENO      = 2

SYSTEM_SHUTDOWN    = 2

SYSTEM_REBOOT      = 3

SYSTEM_RESTART     = 4

BLIT_CLIENT_RELATIVE = 0x20000000

struct SYSCALL_STACK

        _eip            dd ?

        _edi            dd ?    ;  +4

        _esi            dd ?    ;  +8

        _ebp            dd ?    ; +12

        _esp            dd ?    ; +16

        _ebx            dd ?    ; +20

        _edx            dd ?    ; +24

        _ecx            dd ?    ; +28

        _eax            dd ?    ; +32

ends

struct  LHEAD

        next            dd ?   ;next object in list

        prev            dd ?   ;prev object in list

ends

struct  MUTEX_WAITER

        list    LHEAD

        task    dd ?

        type    dd ?

ends

struct  MUTEX

        wait_list       LHEAD

        count           dd ?

ends

struct  RWSEM

        wait_list       LHEAD

        count           dd ?

ends

struct  FUTEX

        list            LHEAD

        magic           dd ?

        handle          dd ?

        destroy         dd ?

        wait_list       LHEAD

        pointer         dd ?

        flags           dd ?

ends

FUTEX_INIT      = 0

FUTEX_DESTROY   = 1

FUTEX_WAIT      = 2

FUTEX_WAKE      = 3

struct  FILED

        list            LHEAD

        magic           rd 1

        handle          rd 1

        destroy         rd 1

        mode            rd 1

        file            rd 1

ends

struct  PIPE

        pipe_ops        rd 1

        buffer          rd 1

        readers         rd 1

        writers         rd 1

        pipe_lock       MUTEX

        count           rd 1

        read_end        rd 1

        write_end       rd 1

        rlist           LHEAD

        wlist           LHEAD

ends

struct  PROC

        list            LHEAD

        thr_list        LHEAD

        heap_lock       MUTEX

        heap_base       rd 1

        heap_top        rd 1

        mem_used        rd 1

        dlls_list_ptr   rd 1

        pdt_0_phys      rd 1

        pdt_1_phys      rd 1

        io_map_0        rd 1

        io_map_1        rd 1

        ht_lock         rd 1

        ht_free         rd 1                ;htab[0] stdin

        ht_next         rd 1                ;htab[1] stdout

        htab            rd 1024-PROC.htab/4 ;htab[2] stderr

        pdt_0           rd 1024

ends

struct  DBG_REGS

        dr0             dd ?

        dr1             dd ?

        dr2             dd ?

        dr3             dd ?

        dr7             dd ?

ends

struct  POINT

        x       dd ?

        y       dd ?

ends

struct  RECT

        left    dd ?

        top     dd ?

        right   dd ?

        bottom  dd ?

ends

struct  BOX

        left    dd ?

        top     dd ?

        width   dd ?

        height  dd ?

ends

; Fields, marked as R now not used, but will be used soon,

; when legacy TASKDATA structure will be deleted

struct  APPDATA

        app_name        rb 11

                        rb 5

        list            LHEAD           ;+16

        process         dd ?            ;+24

        fpu_state       dd ?            ;+28

        exc_handler     dd ?            ;+32

        except_mask     dd ?            ;+36

        pl0_stack       dd ?            ;+40

        cursor          dd ?            ;+44

        fd_ev           dd ?            ;+48

        bk_ev           dd ?            ;+52

        fd_obj          dd ?            ;+56

        bk_obj          dd ?            ;+60

        saved_esp       dd ?            ;+64

        io_map          rd 2            ;+68

        dbg_state       dd ?            ;+76

        cur_dir         dd ?            ;+80

        wait_timeout    dd ?            ;+84

        saved_esp0      dd ?            ;+88

        wait_begin      dd ?            ;+92   +++

        wait_test       dd ?            ;+96   +++

        wait_param      dd ?            ;+100  +++

        tls_base        dd ?            ;+104

        event_mask      dd ?            ;+108  ; R stores event types allowed for task

        tid             dd ?            ;+112  ; R thread id

        draw_bgr_x      dd ?            ;+116

        draw_bgr_y      dd ?            ;+120

        state           db ?            ;+124  ; R thread state

                        db ?            ;+125

                        dw ?            ;+126

        wnd_shape       dd ?            ;+128

        wnd_shape_scale dd ?            ;+132

        mem_start       dd ?            ;+136  ; R

        counter_sum     dd ?            ;+140  ; R

        saved_box       BOX             ;+144

        ipc_start       dd ?            ;+160

        ipc_size        dd ?            ;+164

        occurred_events dd ?            ;+168  ; mask which accumulates occurred events

        debugger_slot   dd ?            ;+172

        terminate_protection dd ?       ;+176

        keyboard_mode   db ?            ;+180

        captionEncoding db ?

                        rb 2

        exec_params     dd ?            ;+184

        dbg_event_mem   dd ?            ;+188

        dbg_regs        DBG_REGS        ;+192

        wnd_caption     dd ?            ;+212

        wnd_clientbox   BOX             ;+216

        priority        dd ?            ;+232

        in_schedule     LHEAD           ;+236

        counter_add     dd ?            ;+244  ; R

        cpu_usage       dd ?            ;+248  ; R

                        dd ?            ;+252

ends

assert sizeof.APPDATA = 256

APP_OBJ_OFFSET  = 48

APP_EV_OFFSET   = 40

; Note: in future TASKDATA will be merged into APPDATA

struct  TASKDATA

        event_mask      dd ? ;+0 mask which stores event types allowed for task

        pid             dd ? ;+4

                        dw ? ;+8

        state           db ? ;+10

                        db ? ;+11

                        dw ? ;+12

        wnd_number      db ? ;+14

                        db ? ;+15

        mem_start       dd ? ;+16

        counter_sum     dd ? ;+20

        counter_add     dd ? ;+24

        cpu_usage       dd ? ;+28

ends

; Thread states:

TSTATE_RUNNING        = 0

TSTATE_RUN_SUSPENDED  = 1

TSTATE_WAIT_SUSPENDED = 2

TSTATE_ZOMBIE         = 3

TSTATE_TERMINATING    = 4

TSTATE_WAITING        = 5

TSTATE_FREE           = 9

; Window constants:

WSTATE_NORMAL    = 00000000b

WSTATE_MAXIMIZED = 00000001b

WSTATE_MINIMIZED = 00000010b

WSTATE_ROLLEDUP  = 00000100b

WSTATE_REDRAW    = 00000001b

WSTATE_WNDDRAWN  = 00000010b

WSTYLE_HASCAPTION     = 00010000b

WSTYLE_CLIENTRELATIVE = 00100000b

ZPOS_DESKTOP            = -2

ZPOS_ALWAYS_BACK        = -1

ZPOS_NORMAL             = 0

ZPOS_ALWAYS_TOP         = 1     ;ZPOS_ALWAYS_TOP is always last and has max number!

; Window structure:

struct  WDATA

        box             BOX

        cl_workarea     dd ?

        cl_titlebar     dd ?

        cl_frames       dd ?

        z_modif         db ?

        fl_wstate       db ?

        fl_wdrawn       db ?

        fl_redraw       db ?

ends

label WDATA.fl_wstyle byte at WDATA.cl_workarea + 3

assert sizeof.WDATA = 32

struct  SYS_VARS

        bpp             dd ?

        scanline        dd ?

        vesa_mode       dd ?

        x_res           dd ?

        y_res           dd ?

ends

struct  APPOBJ                  ; common object header

        magic           dd ?    ;

        destroy         dd ?    ; internal destructor

        fd              dd ?    ; next object in list

        bk              dd ?    ; prev object in list

        pid             dd ?    ; owner id

ends

struct  CURSOR          APPOBJ

        base            dd ?   ;allocated memory

        hot_x           dd ?   ;hotspot coords

        hot_y           dd ?

        list_next       dd ?   ;next cursor in cursor list

        list_prev       dd ?   ;prev cursor in cursor list

        dev_obj         dd ?   ;device depended data

ends

struct  EVENT           APPOBJ

        id              dd ?   ;event uid

        state           dd ?   ;internal flags

        code            dd ?

                        rd 5

ends

struct  SMEM

        bk              dd ?

        fd              dd ?    ;+4

        base            dd ?    ;+8

        size            dd ?    ;+12

        access          dd ?    ;+16

        refcount        dd ?    ;+20

        name            rb 32   ;+24

ends

struct  SMAP            APPOBJ

        base            dd ?   ;mapped base

        parent          dd ?   ;SMEM

ends

struct  DLLDESCR

        bk              dd ?

        fd              dd ?    ;+4

        data            dd ?    ;+8

        size            dd ?    ;+12

        timestamp       dq ?

        refcount        dd ?

        defaultbase     dd ?

        coff_hdr        dd ?

        symbols_ptr     dd ?

        symbols_num     dd ?

        symbols_lim     dd ?

        exports         dd ?   ;export table

        name            rb 260

ends

struct  HDLL

        fd              dd ?   ;next object in list

        bk              dd ?   ;prev object in list

        pid             dd ?   ;owner id

        base            dd ?   ;mapped base

        size            dd ?   ;mapped size

        refcount        dd ?   ;reference counter for this process and this lib

        parent          dd ?   ;DLLDESCR

ends

struct DQ

        lo dd ?

        hi dd ?

ends

struct e820entry

        addr DQ ?

        size DQ ?

        type dd ?

ends

RD_LOAD_FROM_FLOPPY = 1

RD_LOAD_FROM_HD     = 2

RD_LOAD_FROM_MEMORY = 3

RD_LOAD_FROM_FORMAT = 4

RD_LOAD_FROM_NONE   = 5

struct  boot_data

        bpp             db ?    ; bits per pixel

        pitch           dw ?    ; scanline length

                        db ?

                        dd ?

        vesa_mode       dw ?

        x_res           dw ?

        y_res           dw ?

                        dw ?

                        dd ?

        bank_switch     dd ?    ; Vesa 1.2 pm bank switch

        lfb             dd ?    ; Vesa 2.0 LFB address

        mtrr            db ?    ; 0 or 1: enable MTRR graphics acceleration

        launcher_start  db ?    ; 0 or 1: start the first app (right now it's

                                ; LAUNCHER) after kernel is loaded

        debug_print     db ?    ; if nonzero, duplicates debug output to the screen

        dma             db ?    ; DMA write: 1=yes, 2=no

        pci_data        rb 8

                        rb 8

        shutdown_type   db ?    ; see sysfn 18.9

                        rb 15

        apm_entry       dd ?    ; entry point of APM BIOS

        apm_version     dw ?    ; BCD

        apm_flags       dw ?

                        rb 8

        apm_code_32     dw ?

        apm_code_16     dw ?

        apm_data_16     dw ?

        rd_load_from    db ?    ; Device to load ramdisk from, RD_LOAD_FROM_*

                        db ?

        kernel_restart  dw ?

        sys_disk        dw ?    ; Device to mount on /sys/, see loader_doc.txt for details

        acpi_rsdp       dd ?

        syspath         rb 0x17

        devicesdat_data dd ?

        devicesdat_size dd ?

        bios_hd_cnt     db ?    ; number of BIOS hard disks

        bios_hd         rb 0x80 ; BIOS hard disks

        memmap_block_cnt dd ?   ; available physical memory map: number of blocks

        memmap_blocks   e820entry

                        rb sizeof.e820entry * (MAX_MEMMAP_BLOCKS - 1)

ends

virtual at BOOT_VARS

        BOOT_LO boot_data

end virtual

virtual at OS_BASE + BOOT_VARS

        BOOT boot_data

end virtual

MAX_SCREEN_WIDTH  = 3840

MAX_SCREEN_HEIGHT = 2160

struct  display_t

        x               dd ?

        y               dd ?

        width           dd ?

        height          dd ?

        bits_per_pixel  dd ?

        vrefresh        dd ?

        current_lfb     dd ?

        lfb_pitch       dd ?

        win_map_lock    RWSEM

        win_map         dd ?

        win_map_pitch   dd ?

        win_map_size    dd ?

        modes           dd ?

        ddev            dd ?

        connector       dd ?

        crtc            dd ?

        cr_list.next    dd ?

        cr_list.prev    dd ?

        cursor          dd ?

        init_cursor     dd ?

        select_cursor   dd ?

        show_cursor     dd ?

        move_cursor     dd ?

        restore_cursor  dd ?

        disable_mouse   dd ?

        mask_seqno      dd ?

        check_mouse     dd ?

        check_m_pixel   dd ?

        bytes_per_pixel dd ?

ends

struct  DISPMODE

        width   dw ?

        height  dw ?

        bpp     dw ?

        freq    dw ?

ends

struct  PCIDEV

        bk              dd ?

        fd              dd ?

        vendor_device_id dd ?

        class           dd ?

        devfn           db ?

        bus             db ?

                        rb 2

        owner           dd ? ; pointer to SRV or 0

ends

struct  IDE_DATA

        ProgrammingInterface dd ?

        Interrupt            dw ?

        RegsBaseAddres       dw ?

        BAR0_val             dw ?

        BAR1_val             dw ?

        BAR2_val             dw ?

        BAR3_val             dw ?

        dma_hdd_channel_1    db ?

        dma_hdd_channel_2    db ?

        pcidev               dd ?       ; pointer to corresponding PCIDEV structure

ends

struct  IDE_CACHE

        pointer              dd ?

        size                 dd ?   ; not use

        data_pointer         dd ?

        system_data_size     dd ?   ; not use

        appl_data_size       dd ?   ; not use

        system_data          dd ?

        appl_data            dd ?

        system_sad_size      dd ?

        appl_sad_size        dd ?

        search_start         dd ?

        appl_search_start    dd ?

ends

struct  IDE_DEVICE

        UDMA_possible_modes  db ?

        UDMA_set_mode        db ?

ends

; The following macro assume that we are on uniprocessor machine.

; Serious work is needed for multiprocessor machines.

macro spin_lock_irqsave spinlock

{

        pushf

        cli

}

macro spin_unlock_irqrestore spinlock

{

        popf

}

macro spin_lock_irq spinlock

{

        cli

}

macro spin_unlock_irq spinlock

{

        sti

}

struct  MEM_STATE

        mutex           MUTEX

        smallmap        dd ?

        treemap         dd ?

        topsize         dd ?

        top             dd ?

        smallbins       rd 4*32

        treebins        rd 32

ends

struct  PG_DATA

        mem_amount      dd ?

        vesa_mem        dd ?

        pages_count     dd ?

        pages_free      dd ?

        pages_faults    dd ?

        pagemap_size    dd ?

        kernel_pages    dd ?

        kernel_tables   dd ?

        sys_page_dir    dd ?

        mutex           MUTEX

ends

struct  SRV

        srv_name        rb 16    ;ASCIIZ string

        magic           dd ?     ;+0x10 ;'SRV '

        size            dd ?     ;+0x14 ;size of structure SRV

        fd              dd ?     ;+0x18 ;next SRV descriptor

        bk              dd ?     ;+0x1C ;prev SRV descriptor

        base            dd ?     ;+0x20 ;service base address

        entry           dd ?     ;+0x24 ;service START function

        srv_proc        dd ?     ;+0x28 ;user mode service handler

        srv_proc_ex     dd ?     ;+0x2C ;kernel mode service handler

ends

struct USBSRV

        srv             SRV

        usb_func        dd ?

ends

struct USBFUNC

        strucsize       dd ?

        add_device      dd ?

        device_disconnect dd ?

ends

DRV_ENTRY    =  1

DRV_EXIT     = -1

struct  COFF_HEADER

        machine         dw ?

        nSections       dw ?

        DataTime        dd ?

        pSymTable       dd ?

        nSymbols        dd ?

        optHeader       dw ?

        flags           dw ?

ends

struct  COFF_SECTION

        Name            rb 8

        VirtualSize     dd ?

        VirtualAddress  dd ?

        SizeOfRawData   dd ?

        PtrRawData      dd ?

        PtrReloc        dd ?

        PtrLinenumbers  dd ?

        NumReloc        dw ?

        NumLinenum      dw ?

        Characteristics dd ?

ends

struct  COFF_RELOC

        VirtualAddress  dd ?

        SymIndex        dd ?

        Type            dw ?

ends

struct  COFF_SYM

        Name            rb 8

        Value           dd ?

        SectionNumber   dw ?

        Type            dw ?

        StorageClass    db ?

        NumAuxSymbols   db ?

ends

struct  STRIPPED_PE_HEADER

        Signature           dw ?

        Characteristics     dw ?

        AddressOfEntryPoint dd ?

        ImageBase           dd ?

        SectionAlignmentLog db ?

        FileAlignmentLog    db ?

        MajorOSVersion      db ?

        MinorOSVersion      db ?

        SizeOfImage         dd ?

        SizeOfStackReserve  dd ?

        SizeOfHeapReserve   dd ?

        SizeOfHeaders       dd ?

        Subsystem           db ?

        NumberOfRvaAndSizes db ?

        NumberOfSections    dw ?

ends

STRIPPED_PE_SIGNATURE = 0x4503 ; 'PE' xor 'S'

SPE_DIRECTORY_IMPORT    = 0

SPE_DIRECTORY_EXPORT    = 1

SPE_DIRECTORY_BASERELOC = 2

struct  IOCTL

        handle          dd ?

        io_code         dd ?

        input           dd ?

        inp_size        dd ?

        output          dd ?

        out_size        dd ?

ends

struct  IRQH

        list            LHEAD

        handler         dd ?   ;handler roututine

        data            dd ?   ;user-specific data

        num_ints        dd ?   ;how many times handled

ends