forked from KolibriOS/kolibrios
e1f463adf0
loading from HD inifiles.asm (not completed, using with kernel to load sys.conf) parse file names %sys% may be system directory for programs (70 function) git-svn-id: svn://kolibrios.org@488 a494cfbc-eb01-0410-851d-a64ba20cac60
1066 lines
25 KiB
PHP
1066 lines
25 KiB
PHP
$Revision$
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
;; ;;
|
||
;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;;
|
||
;; Copyright (C) MenuetOS 2000-2004 Ville Mikael Turjanmaa ;;
|
||
;; Distributed under terms of the GNU General Public License ;;
|
||
;; ;;
|
||
;; BOOTCODE.INC ;;
|
||
;; ;;
|
||
;; KolibriOS 16-bit loader, ;;
|
||
;; based on bootcode for MenuetOS ;;
|
||
;; ;;
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
|
||
|
||
|
||
;==========================================================================
|
||
;
|
||
; 16 BIT FUNCTIONS
|
||
;
|
||
;==========================================================================
|
||
|
||
|
||
putchar:
|
||
; in: al=character
|
||
mov ah, 0Eh
|
||
mov bh, 0
|
||
int 10h
|
||
ret
|
||
|
||
print:
|
||
; in: si->string
|
||
mov al, 186
|
||
call putchar
|
||
mov al, ' '
|
||
call putchar
|
||
|
||
printplain:
|
||
; in: si->string
|
||
pusha
|
||
lodsb
|
||
@@:
|
||
call putchar
|
||
lodsb
|
||
cmp al, 0
|
||
jnz @b
|
||
popa
|
||
ret
|
||
|
||
getkey:
|
||
; get number in range [bl,bh] (bl,bh in ['0'..'9'])
|
||
; in: bx=range
|
||
; out: ax=digit (1..9, 10 for 0)
|
||
mov ah, 0
|
||
int 16h
|
||
cmp al, bl
|
||
jb getkey
|
||
cmp al, bh
|
||
ja getkey
|
||
push ax
|
||
call putchar
|
||
pop ax
|
||
and ax, 0Fh
|
||
jnz @f
|
||
mov al, 10
|
||
@@:
|
||
ret
|
||
|
||
setcursor:
|
||
; in: dl=column, dh=row
|
||
mov ah, 2
|
||
mov bh, 0
|
||
int 10h
|
||
ret
|
||
|
||
macro _setcursor row,column
|
||
{
|
||
mov dx, row*256 + column
|
||
call setcursor
|
||
}
|
||
|
||
boot_read_floppy:
|
||
push si
|
||
xor si, si
|
||
mov ah, 2 ; read
|
||
@@:
|
||
push ax
|
||
int 0x13
|
||
pop ax
|
||
jnc @f
|
||
inc si
|
||
cmp si, 10
|
||
jb @b
|
||
mov si, badsect
|
||
sayerr_plain:
|
||
call printplain
|
||
jmp $
|
||
@@:
|
||
pop si
|
||
ret
|
||
|
||
;=========================================================================
|
||
;
|
||
; 16 BIT CODE
|
||
;
|
||
;=========================================================================
|
||
|
||
|
||
start_of_code:
|
||
cld
|
||
; \begin{diamond}[02.12.2005]
|
||
cmp ax, 'KL'
|
||
jnz @f
|
||
mov word [cs:cfgmanager.loader_block], si
|
||
mov word [cs:cfgmanager.loader_block+2], ds
|
||
@@:
|
||
; \end{diamond}[02.12.2005]
|
||
|
||
cmp cx,'HA' ; <EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
jnz no_hd_load
|
||
cmp dx,'RD'
|
||
jnz no_hd_load
|
||
mov word [bx_from_load], bx ; {SPraid}[13.03.2007]
|
||
jmp load_next
|
||
no_hd_load:
|
||
mov word [bx_from_load], 'r1' ; if work with floppy
|
||
load_next:
|
||
|
||
; set up stack
|
||
mov ax, 3000h
|
||
mov ss, ax
|
||
mov sp, 0EC00h
|
||
; set up segment registers
|
||
push cs
|
||
pop ds
|
||
push cs
|
||
pop es
|
||
|
||
; set videomode
|
||
mov ax, 3
|
||
int 0x10
|
||
|
||
if lang eq ru
|
||
; Load & set russian VGA font (RU.INC)
|
||
mov bp, RU_FNT1 ; RU_FNT1 - First part
|
||
mov bx,1000h ; 768 bytes
|
||
mov cx,30h ; 48 symbols
|
||
mov dx,80h ; 128 - position of first symbol
|
||
mov ax,1100h
|
||
int 10h
|
||
|
||
mov bp,RU_FNT2 ; RU_FNT2 -Second part
|
||
mov bx,1000h ; 512 bytes
|
||
mov cx,20h ; 32 symbols
|
||
mov dx,0E0h ; 224 - position of first symbol
|
||
mov ax,1100h
|
||
int 10h
|
||
; End set VGA russian font
|
||
else if lang eq et
|
||
mov bp,ET_FNT ; ET_FNT1
|
||
mov bx,1000h ;
|
||
mov cx,255 ; 256 symbols
|
||
mov dx,0h ; 0 - position of first symbol
|
||
mov ax,1100h
|
||
int 10h
|
||
end if
|
||
|
||
; draw frames
|
||
push 0xb800
|
||
pop es
|
||
xor di, di
|
||
mov ah, 1*16+15
|
||
|
||
; draw top
|
||
mov si, d80x25_top
|
||
mov cx, d80x25_top_num * 80
|
||
@@:
|
||
lodsb
|
||
stosw
|
||
loop @b
|
||
; draw spaces
|
||
mov si, space_msg
|
||
mov cx, 25 - d80x25_top_num - d80x25_bottom_num
|
||
dfl1:
|
||
push cx
|
||
push si
|
||
mov cx, 80
|
||
@@:
|
||
lodsb
|
||
stosw
|
||
loop @b
|
||
pop si
|
||
pop cx
|
||
loop dfl1
|
||
; draw bottom
|
||
mov si, d80x25_bottom
|
||
mov cx, d80x25_bottom_num * 80
|
||
@@:
|
||
lodsb
|
||
stosw
|
||
loop @b
|
||
|
||
mov byte [space_msg+80], 0 ; now space_msg is null terminated
|
||
|
||
_setcursor d80x25_top_num,0
|
||
|
||
|
||
; TEST FOR 386+
|
||
|
||
mov bx, 0x4000
|
||
pushf
|
||
pop ax
|
||
mov dx,ax
|
||
xor ax,bx
|
||
push ax
|
||
popf
|
||
pushf
|
||
pop ax
|
||
and ax,bx
|
||
and dx,bx
|
||
cmp ax,dx
|
||
jnz cpugood
|
||
mov si,not386
|
||
sayerr:
|
||
call print
|
||
jmp $
|
||
cpugood:
|
||
|
||
push 0
|
||
popf
|
||
sti
|
||
|
||
; set up esp
|
||
movzx esp, sp
|
||
|
||
push 0
|
||
pop es
|
||
and word [es:0x9031], 0
|
||
; \begin{Mario79}
|
||
; find HDD IDE DMA PCI device
|
||
; check for PCI BIOS
|
||
mov ax, 0xB101
|
||
int 0x1A
|
||
jc .nopci
|
||
cmp edx, 'PCI '
|
||
jnz .nopci
|
||
; find PCI class code
|
||
; class 1 = mass storage
|
||
; subclass 1 = IDE controller
|
||
; a) class 1, subclass 1, programming interface 0x80
|
||
mov ax, 0xB103
|
||
mov ecx, 1*10000h + 1*100h + 0x80
|
||
mov si, 0 ; device index = 0
|
||
int 0x1A
|
||
jnc .found
|
||
; b) class 1, subclass 1, programming interface 0x8A
|
||
mov ax, 0xB103
|
||
mov ecx, 1*10000h + 1*100h + 0x8A
|
||
mov si, 0 ; device index = 0
|
||
int 0x1A
|
||
jnc .found
|
||
; c) class 1, subclass 1, programming interface 0x85
|
||
mov ax, 0xB103
|
||
mov ecx, 1*10000h + 1*100h + 0x85
|
||
mov si, 0
|
||
int 0x1A
|
||
jc .nopci
|
||
.found:
|
||
; get memory base
|
||
mov ax, 0xB10A
|
||
mov di, 0x20 ; memory base is config register at 0x20
|
||
int 0x1A
|
||
jc .nopci
|
||
and cx, 0xFFF0 ; clear address decode type
|
||
mov [es:0x9031], cx
|
||
.nopci:
|
||
; \end{Mario79}
|
||
|
||
mov al,0xf6 ; <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
out 0x60,al
|
||
xor cx,cx
|
||
wait_loop: ; variant 2
|
||
; reading state of port of 8042 controller
|
||
in al,64h
|
||
and al,00000010b ; ready flag
|
||
; wait until 8042 controller is ready
|
||
loopnz wait_loop
|
||
|
||
; --------------- APM ---------------------
|
||
push 0
|
||
pop es
|
||
mov word [es : 0x9044], 0 ; ver = 0.0 (APM not found)
|
||
mov ax, 0x5300
|
||
xor bx, bx
|
||
int 0x15
|
||
jc apm_end ; APM not found
|
||
test cx, 2
|
||
jz apm_end ; APM 32-bit protected-mode interface not supported
|
||
mov [es : 0x9044], ax ; Save APM Version
|
||
mov [es : 0x9046], cx ; Save APM flags
|
||
|
||
; Write APM ver ----
|
||
and ax, 0xf0f
|
||
add ax, '00'
|
||
mov si, msg_apm
|
||
mov [si + 5], ah
|
||
mov [si + 7], al
|
||
_setcursor 0, 3
|
||
call printplain
|
||
; ------------------
|
||
|
||
mov ax, 0x5304 ; Disconnect interface
|
||
xor bx, bx
|
||
int 0x15
|
||
mov ax, 0x5303 ; Connect 32 bit mode interface
|
||
xor bx, bx
|
||
int 0x15
|
||
|
||
push 0
|
||
pop es
|
||
|
||
mov [es:0x9040], ebx
|
||
mov [es:0x9050], ax
|
||
mov [es:0x9052], cx
|
||
mov [es:0x9054], dx
|
||
|
||
apm_end:
|
||
_setcursor d80x25_top_num, 0
|
||
|
||
; DISPLAY VESA INFORMATION
|
||
|
||
push 0
|
||
pop es
|
||
mov ax,0x4f00
|
||
mov di,0xa000
|
||
int 0x10
|
||
cmp ax,0x004f
|
||
mov si, novesa
|
||
jnz @f
|
||
mov bx, word [es:di+0x12]
|
||
shl ebx,16
|
||
mov [es:0x9050], ebx
|
||
mov ax,[es:di+4]
|
||
add ax,'0'*256+'0'
|
||
mov si,vervesa
|
||
mov [si+vervesa_off], ah
|
||
mov [si+vervesa_off+2], al
|
||
@@: call print
|
||
|
||
; \begin{diamond}[30.11.2005]
|
||
cfgmanager:
|
||
; settings:
|
||
; a) preboot_graph = graphical mode
|
||
; preboot_gprobe = probe this mode?
|
||
; b) preboot_dma_write = use DMA write?
|
||
; c) preboot_vrrm = use VRR?
|
||
; d) preboot_device = from what boot?
|
||
mov di, preboot_graph
|
||
; check bootloader block
|
||
cmp [.loader_block], -1
|
||
jz .noloaderblock
|
||
les bx, [.loader_block]
|
||
cmp byte [es:bx], 1
|
||
mov si, loader_block_error
|
||
jnz sayerr
|
||
test byte [es:bx+1], 1
|
||
jz @f
|
||
; image in memory present
|
||
cmp [di+preboot_device-preboot_graph], 0
|
||
jnz @f
|
||
mov [di+preboot_device-preboot_graph], 3
|
||
@@:
|
||
.noloaderblock:
|
||
; determine default settings
|
||
mov [.bSettingsChanged], 0
|
||
cmp byte [di], 0
|
||
jnz .preboot_gr_end
|
||
mov [di+preboot_gprobe-preboot_graph], 0
|
||
mov al, [vervesa+vervesa_off]
|
||
cmp al, 'x'
|
||
jz .novesa
|
||
cmp al, '1'
|
||
jz .vesa12
|
||
mov [di+preboot_gprobe-preboot_graph], 2
|
||
mov al, 3
|
||
jmp @f
|
||
.vesa12:
|
||
mov al, 7
|
||
jmp @f
|
||
.novesa:
|
||
mov al, 10
|
||
@@:
|
||
mov [di], al
|
||
.preboot_gr_end:
|
||
cmp [di+preboot_dma_write-preboot_graph], 1
|
||
adc [di+preboot_dma_write-preboot_graph], 0
|
||
cmp [di+preboot_vrrm-preboot_graph], 1
|
||
adc [di+preboot_vrrm-preboot_graph], 0
|
||
cmp [di+preboot_device-preboot_graph], 1
|
||
adc [di+preboot_device-preboot_graph], 0
|
||
; notify user
|
||
mov si, linef
|
||
call print
|
||
mov si, start_msg
|
||
call print
|
||
mov si, time_msg
|
||
call print
|
||
; get start time
|
||
call .gettime
|
||
mov [.starttime], eax
|
||
mov word [.timer], .newtimer
|
||
mov word [.timer+2], cs
|
||
.printcfg:
|
||
_setcursor 9,0
|
||
mov si, current_cfg_msg
|
||
call print
|
||
mov si, curvideo_msg
|
||
call print
|
||
mov al, [preboot_graph]
|
||
cmp al, 8
|
||
ja .pnovesa
|
||
mov dl, al
|
||
and eax, 3
|
||
mov si, [modes_msg+eax*2]
|
||
call printplain
|
||
mov si, modevesa20
|
||
cmp dl, 4
|
||
jbe @f
|
||
mov si, modevesa12
|
||
@@:
|
||
call printplain
|
||
cmp dl, 4
|
||
ja .x
|
||
mov si, probeno_msg
|
||
cmp [preboot_gprobe], 2
|
||
jnz @f
|
||
mov si, probeok_msg
|
||
@@:
|
||
call printplain
|
||
.x:
|
||
jmp .c
|
||
.pnovesa:
|
||
cmp al, 9
|
||
mov si, mode9
|
||
jz @b
|
||
mov si, mode10
|
||
jmp @b
|
||
.c:
|
||
mov si, linef
|
||
call printplain
|
||
mov si, dma_msg
|
||
cmp [preboot_dma_write], 1
|
||
call .say_on_off
|
||
mov si, vrrm_msg
|
||
cmp [preboot_vrrm], 1
|
||
call .say_on_off
|
||
mov si, preboot_device_msg
|
||
call print
|
||
mov al, [preboot_device]
|
||
and eax, 3
|
||
mov si, [preboot_device_msgs+eax*2]
|
||
call printplain
|
||
.wait:
|
||
_setcursor 25,0 ; out of screen
|
||
; set timer interrupt handler
|
||
cli
|
||
push 0
|
||
pop es
|
||
mov eax, [es:8*4]
|
||
mov [.oldtimer], eax
|
||
mov eax, [.timer]
|
||
mov [es:8*4], eax
|
||
sti
|
||
; wait for keypressed
|
||
mov ah, 0
|
||
int 16h
|
||
push ax
|
||
; restore timer interrupt
|
||
push 0
|
||
pop es
|
||
mov eax, [.oldtimer]
|
||
mov [es:8*4], eax
|
||
mov [.timer], eax
|
||
_setcursor 7,0
|
||
mov si, space_msg
|
||
call printplain
|
||
pop ax
|
||
; switch on key
|
||
cmp al, 13
|
||
jz .continue
|
||
or al, 20h
|
||
cmp al, 'a'
|
||
jz .change_a
|
||
cmp al, 'b'
|
||
jz .change_b
|
||
cmp al, 'c'
|
||
jz .change_c
|
||
cmp al, 'd'
|
||
jnz .wait
|
||
_setcursor 15,0
|
||
mov si,bdev
|
||
call print
|
||
mov bx,'13'
|
||
call getkey
|
||
mov [preboot_device], al
|
||
_setcursor 13,0
|
||
.d:
|
||
mov [.bSettingsChanged], 1
|
||
mov si, space_msg
|
||
call printplain
|
||
_setcursor 15,0
|
||
mov cx, 6
|
||
@@:
|
||
call printplain
|
||
loop @b
|
||
jmp .printcfg
|
||
.change_a:
|
||
_setcursor 15,0
|
||
mov si, gr_mode
|
||
call printplain
|
||
mov bx, '09'
|
||
call getkey
|
||
mov [preboot_graph], al
|
||
cmp al, 4
|
||
ja @f
|
||
mov si, probetext
|
||
call printplain
|
||
mov bx, '12'
|
||
call getkey
|
||
mov [preboot_gprobe], al
|
||
@@:
|
||
_setcursor 10,0
|
||
jmp .d
|
||
.change_b:
|
||
_setcursor 15,0
|
||
mov si, ask_dma
|
||
call print
|
||
mov bx, '12'
|
||
call getkey
|
||
mov [preboot_dma_write], al
|
||
_setcursor 11,0
|
||
jmp .d
|
||
.change_c:
|
||
_setcursor 15,0
|
||
mov si, vrrmprint
|
||
call print
|
||
mov bx, '12'
|
||
call getkey
|
||
mov [preboot_vrrm], al
|
||
_setcursor 12,0
|
||
jmp .d
|
||
.say_on_off:
|
||
pushf
|
||
call print
|
||
mov si, on_msg
|
||
popf
|
||
jz @f
|
||
mov si, off_msg
|
||
@@: call printplain
|
||
ret
|
||
; novesa and vervesa strings are not used at the moment of executing this code
|
||
virtual at novesa
|
||
.oldtimer dd ?
|
||
.starttime dd ?
|
||
.bSettingsChanged db ?
|
||
.timer dd ?
|
||
end virtual
|
||
.loader_block dd -1
|
||
.gettime:
|
||
mov ah, 0
|
||
int 1Ah
|
||
xchg ax, cx
|
||
shl eax, 10h
|
||
xchg ax, dx
|
||
ret
|
||
.newtimer:
|
||
push ds
|
||
push cs
|
||
pop ds
|
||
pushf
|
||
call [.oldtimer]
|
||
pushad
|
||
call .gettime
|
||
sub eax, [.starttime]
|
||
sub ax, 18*5
|
||
jae .timergo
|
||
neg ax
|
||
add ax, 18-1
|
||
mov bx, 18
|
||
xor dx, dx
|
||
div bx
|
||
if lang eq ru
|
||
; <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 5 ᥪ㭤, 4/3/2 ᥪ㭤<EFBFBD>, 1 ᥪ㭤<EFBFBD>
|
||
cmp al, 5
|
||
mov cl, ' '
|
||
jae @f
|
||
cmp al, 1
|
||
mov cl, '<27>'
|
||
jz @f
|
||
mov cl, '<27>'
|
||
@@: mov [time_str+9], cl
|
||
else if lang eq et
|
||
cmp al, 1
|
||
ja @f
|
||
mov [time_str+9], ' '
|
||
mov [time_str+10],' '
|
||
@@:
|
||
else
|
||
; wait 5/4/3/2 seconds, 1 second
|
||
cmp al, 1
|
||
mov cl, 's'
|
||
ja @f
|
||
mov cl, ' '
|
||
@@: mov [time_str+9], cl
|
||
end if
|
||
add al, '0'
|
||
mov [time_str+1], al
|
||
mov si, time_msg
|
||
_setcursor 7,0
|
||
call print
|
||
_setcursor 25,0
|
||
popad
|
||
pop ds
|
||
iret
|
||
.timergo:
|
||
push 0
|
||
pop es
|
||
mov eax, [.oldtimer]
|
||
mov [es:8*4], eax
|
||
mov sp, 0EC00h
|
||
.continue:
|
||
sti
|
||
_setcursor 6,0
|
||
mov si, space_msg
|
||
call printplain
|
||
call printplain
|
||
_setcursor 6,0
|
||
mov si, loading_msg
|
||
call print
|
||
_setcursor 15,0
|
||
cmp [.bSettingsChanged], 0
|
||
jz .load
|
||
cmp [.loader_block], -1
|
||
jz .load
|
||
les bx, [.loader_block]
|
||
mov eax, [es:bx+3]
|
||
push ds
|
||
pop es
|
||
test eax, eax
|
||
jz .load
|
||
push eax
|
||
mov si, save_quest
|
||
call print
|
||
.waityn:
|
||
mov ah, 0
|
||
int 16h
|
||
or al, 20h
|
||
cmp al, 'n'
|
||
jz .loadc
|
||
cmp al, 'y'
|
||
jnz .waityn
|
||
call putchar
|
||
mov byte [space_msg+80], 186
|
||
pop eax
|
||
push cs
|
||
push .cont
|
||
push eax
|
||
retf
|
||
.loadc:
|
||
pop eax
|
||
.cont:
|
||
push cs
|
||
pop ds
|
||
mov si, space_msg
|
||
mov byte [si+80], 0
|
||
_setcursor 15,0
|
||
call printplain
|
||
_setcursor 15,0
|
||
.load:
|
||
; \end{diamond}[02.12.2005]
|
||
|
||
; ASK GRAPHICS MODE
|
||
|
||
movzx ax, [preboot_graph]
|
||
push 0
|
||
pop es
|
||
; address is gr_table+6*(ax-1)
|
||
add ax, ax
|
||
lea si, [gr_table + eax + eax*2 - 6]
|
||
mov bx,[si+0]
|
||
mov cx,[si+2]
|
||
mov dx,[si+4]
|
||
cmp al, 9*2
|
||
mov al, 32 ; BPP
|
||
jb @f
|
||
mov [es:0x9000], al
|
||
mov dword [es:0x9018], 0xFFFFFFFF; 0x800000
|
||
@@:
|
||
mov [es:0x9008],bx
|
||
mov [es:0x900A],cx
|
||
mov [es:0x900C],dx
|
||
test bh, bh
|
||
jz nov
|
||
|
||
; USE DEFAULTS OR PROBE
|
||
|
||
; bx - mode : cx - x size : dx - y size
|
||
cmp [preboot_gprobe], 1
|
||
jz noprobe
|
||
|
||
mov bx,0x100
|
||
newprobe:
|
||
inc bx
|
||
cmp bx,0x17f
|
||
mov si,prnotfnd
|
||
jz sayerr
|
||
|
||
probemore:
|
||
push cx
|
||
mov ax,0x4f01
|
||
mov cx,bx
|
||
and cx,0xfff
|
||
mov di,0xa000
|
||
int 0x10
|
||
pop cx
|
||
|
||
test byte [es:di], 80h ; lfb?
|
||
jz newprobe
|
||
cmp [es:di+0x12], cx ; x size?
|
||
jnz newprobe
|
||
cmp [es:di+0x14], dx ; y size?
|
||
jnz newprobe
|
||
cmp byte [es:di+0x19], 32 ;24
|
||
jb newprobe
|
||
|
||
; add bx,0100000000000000b
|
||
or bh, 40h
|
||
mov [es:0x9008],bx
|
||
|
||
noprobe:
|
||
|
||
|
||
; FIND VESA 2.0 LFB & BPP
|
||
|
||
mov ax,0x4f01
|
||
mov cx,bx
|
||
and cx,0xfff
|
||
mov di,0xa000
|
||
int 0x10
|
||
; LFB
|
||
mov eax,[es:di+0x28]
|
||
mov [es:0x9018],eax
|
||
; ---- vbe voodoo
|
||
BytesPerLine equ 0x10
|
||
mov ax, [es:di+BytesPerLine]
|
||
mov [es:0x9001],ax
|
||
; BPP
|
||
mov al,byte [es:di+0x19]
|
||
mov [es:0x9000],al
|
||
nov:
|
||
cmp al,24
|
||
mov si,bt24
|
||
jz bppl
|
||
cmp al,32
|
||
mov si,bt32
|
||
jz bppl
|
||
mov si,btns
|
||
jmp sayerr
|
||
bppl:
|
||
call print
|
||
|
||
|
||
; FIND VESA 1.2 PM BANK SWITCH ADDRESS
|
||
|
||
push es
|
||
mov ax,0x4f0A
|
||
xor bx, bx
|
||
int 0x10
|
||
xor eax,eax
|
||
mov ax,es
|
||
shl eax,4
|
||
movzx ebx,di
|
||
add eax,ebx
|
||
mov bx,[es:di]
|
||
add eax,ebx
|
||
pop es
|
||
mov [es:0x9014],eax
|
||
|
||
|
||
; GRAPHICS ACCELERATION
|
||
; force yes
|
||
mov [es:0x901C], byte 1
|
||
|
||
; DMA WRITE
|
||
|
||
mov al, [preboot_dma_write]
|
||
mov [es:0x901F],al
|
||
|
||
; VRR_M USE
|
||
|
||
mov al,[preboot_vrrm]
|
||
mov [es:0x9030],al
|
||
mov [es:0x901E],byte 1
|
||
|
||
; BOOT DEVICE
|
||
|
||
mov al, [preboot_device]
|
||
dec al
|
||
mov [boot_dev],al
|
||
|
||
; READ DISKETTE TO MEMORY
|
||
|
||
; cmp [boot_dev],0
|
||
jne no_sys_on_floppy
|
||
mov si,diskload
|
||
call print
|
||
xor ax, ax ; reset drive
|
||
xor dx, dx
|
||
int 0x13
|
||
; now load floppy image to memory
|
||
; at first load boot sector and first FAT table
|
||
mov cx, 0x0001 ; startcyl,startsector
|
||
xor dx, dx ; starthead,drive
|
||
mov al, 1+9 ; no of sectors to read
|
||
mov bx, 0xB000 ; es:bx -> data area
|
||
call boot_read_floppy
|
||
; and copy them to extended memory
|
||
mov si, movedesc
|
||
mov [si+8*2+3], bh
|
||
push es
|
||
push ds
|
||
pop es
|
||
mov cx, 256*10
|
||
mov ah, 0x87
|
||
int 0x15
|
||
test ah, ah
|
||
jz @f
|
||
sayerr_floppy:
|
||
mov dx, 0x3f2
|
||
mov al, 0
|
||
out dx, al
|
||
mov si, memmovefailed
|
||
jmp sayerr_plain
|
||
@@:
|
||
add dword [si+8*3+2], 512*10
|
||
; copy FAT to second copy
|
||
mov byte [si+8*2+3], 0xB2
|
||
mov cx, 256*9
|
||
mov ah, 0x87
|
||
int 0x15
|
||
pop es
|
||
test ah, ah
|
||
jnz sayerr_floppy
|
||
add dword [si+8*3+2], 512*9
|
||
; calculate total number of sectors to read
|
||
mov ax, 1+9+14 ; boot+FAT+root
|
||
mov di, 0xB203
|
||
.calc_loop:
|
||
test word [es:di], 0xFFF
|
||
jz @f
|
||
inc ax
|
||
@@:
|
||
test word [es:di+1], 0xFFF0
|
||
jz @f
|
||
inc ax
|
||
@@:
|
||
add di, 3
|
||
cmp di, 0xB200+1440*3
|
||
jb .calc_loop
|
||
push ax
|
||
mov bp, 1+9 ; already read sectors
|
||
; now read rest
|
||
mov byte [si+8*2+3], 0xA0
|
||
mov di, 2-14 ; absolute sector-31
|
||
mov cx, 0x0002 ; cylinder=0, sector=2
|
||
mov dx, 0x0100 ; head=1, disk=0
|
||
.read_loop:
|
||
; determine whether sector must be read
|
||
cmp di, 2
|
||
jl .read
|
||
mov bx, di
|
||
shr bx, 1
|
||
jnc .even
|
||
test word [es:bx+di+0xB200], 0xFFF0
|
||
jmp @f
|
||
.even:
|
||
test word [es:bx+di+0xB200], 0xFFF
|
||
@@:
|
||
jz .skip
|
||
.read:
|
||
mov bx, 0xA000
|
||
mov al, 1 ; 1 sector
|
||
call boot_read_floppy
|
||
inc bp
|
||
push es
|
||
push ds
|
||
pop es
|
||
pusha
|
||
mov cx, 256
|
||
mov ah, 0x87
|
||
int 0x15
|
||
test ah, ah
|
||
popa
|
||
pop es
|
||
jnz sayerr_floppy
|
||
.skip:
|
||
add dword [si+8*3+2], 512
|
||
inc cx
|
||
cmp cl, 19
|
||
jnz @f
|
||
mov cl, 1
|
||
inc dh
|
||
cmp dh, 2
|
||
jnz @f
|
||
mov dh, 0
|
||
inc ch
|
||
@@:
|
||
pop ax
|
||
push ax
|
||
pusha
|
||
; draw percentage
|
||
; total sectors: ax
|
||
; read sectors: bp
|
||
xchg ax, bp
|
||
mov cx, 100
|
||
mul cx
|
||
div bp
|
||
aam
|
||
xchg al, ah
|
||
add ax, '00'
|
||
mov si, pros
|
||
cmp [si], ax
|
||
jz @f
|
||
mov [si], ax
|
||
call printplain
|
||
@@:
|
||
popa
|
||
inc di
|
||
cmp di, 2880-31
|
||
jnz .read_loop
|
||
|
||
; mov cx, 0x0001 ; startcyl,startsector
|
||
; xor dx, dx ; starthead,drive
|
||
; push word 80*2 ; read no of sect
|
||
; reads:
|
||
; pusha
|
||
; xor si,si
|
||
; newread:
|
||
; mov bx,0xa000 ; es:bx -> data area
|
||
; mov ax,0x0200+18 ; read, no of sectors to read
|
||
; int 0x13
|
||
; test ah, ah
|
||
; jz goodread
|
||
; inc si
|
||
; cmp si,10
|
||
; jnz newread
|
||
; mov si,badsect-0x10000
|
||
;sayerr_plain:
|
||
; call printplain
|
||
; jmp $
|
||
; goodread:
|
||
; ; move -> 1mb
|
||
; mov si,movedesc-0x10000
|
||
; push es
|
||
; push ds
|
||
; pop es
|
||
; mov cx,256*18
|
||
; mov ah,0x87
|
||
; int 0x15
|
||
; pop es
|
||
;
|
||
; test ah,ah ; was the move successfull ?
|
||
; je goodmove
|
||
; mov dx,0x3f2 ; floppy motor off
|
||
; mov al,0
|
||
; out dx,al
|
||
; mov si,memmovefailed-0x10000
|
||
; jmp sayerr_plain
|
||
; goodmove:
|
||
;
|
||
; add dword [movedesc-0x10000+0x18+2], 512*18
|
||
; popa
|
||
; inc dh
|
||
; cmp dh,2
|
||
; jnz bb2
|
||
; mov dh,0
|
||
; inc ch
|
||
; pusha ; print prosentage
|
||
; mov si,pros-0x10000
|
||
; shr ch, 2
|
||
; mov al, '5'
|
||
; test ch, 1
|
||
; jnz @f
|
||
; mov al, '0'
|
||
;@@:
|
||
; mov [si+1], al
|
||
; shr ch, 1
|
||
; add ch, '0'
|
||
; mov [si], ch
|
||
; call printplain
|
||
; popa
|
||
; bb2:
|
||
; pop ax
|
||
; dec ax
|
||
; push ax
|
||
; jnz reads
|
||
; readdone:
|
||
; pop ax
|
||
|
||
mov si,backspace2
|
||
call printplain
|
||
mov si,okt
|
||
call printplain
|
||
no_sys_on_floppy:
|
||
xor ax, ax ; reset drive
|
||
xor dx, dx
|
||
int 0x13
|
||
mov dx,0x3f2 ; floppy motor off
|
||
mov al,0
|
||
out dx,al
|
||
|
||
|
||
; SET GRAPHICS
|
||
|
||
xor ax, ax
|
||
mov es, ax
|
||
|
||
mov ax,[es:0x9008] ; vga & 320x200
|
||
mov bx, ax
|
||
cmp ax,0x13
|
||
je setgr
|
||
cmp ax,0x12
|
||
je setgr
|
||
mov ax,0x4f02 ; Vesa
|
||
setgr:
|
||
int 0x10
|
||
test ah,ah
|
||
mov si, fatalsel
|
||
jnz sayerr
|
||
; set mode 0x12 graphics registers:
|
||
cmp bx,0x12
|
||
jne gmok2
|
||
|
||
mov al,0x05
|
||
mov dx,0x03ce
|
||
push dx
|
||
out dx,al ; select GDC mode register
|
||
mov al,0x02
|
||
inc dx
|
||
out dx,al ; set write mode 2
|
||
|
||
mov al,0x02
|
||
mov dx,0x03c4
|
||
out dx,al ; select VGA sequencer map mask register
|
||
mov al,0x0f
|
||
inc dx
|
||
out dx,al ; set mask for all planes 0-3
|
||
|
||
mov al,0x08
|
||
pop dx
|
||
out dx,al ; select GDC bit mask register
|
||
; for writes to 0x03cf
|
||
gmok2:
|
||
push ds
|
||
pop es
|