Subversion Repositories Kolibri OS

Rev

Rev 8091 | Go to most recent revision | Show entire file | Regard whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 8091 Rev 9942
Line 9... Line 9...
9 
;;  KolibriOS 16-bit loader,                                    ;;
 9 
;;  KolibriOS 16-bit loader,                                    ;;
10 
;;                        based on bootcode for MenuetOS        ;;
 10 
;;                        based on bootcode for MenuetOS        ;;
11 
;;                                                              ;;
 11 
;;                                                              ;;
12 
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 12 
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
Line 13... Line 13...
13 
 
 13 
 
Line 14... Line 14...
14 
$Revision: 8091 $
 14 
$Revision: 9942 $
15 
 
 15 
 
16 
 
 16 
 
Line 91... Line 91...
91 
        cmp     al, 27          ; If ESC was pressed, do not change the value
 91 
        cmp     al, 27          ; If ESC was pressed, do not change the value
92 
        jz      .esc_pressed
 92 
        jz      .esc_pressed
93 
        mov     [variable_to_set], al
 93 
        mov     [variable_to_set], al
94 
}
 94 
}
Line -... Line 95...
- 
 
 95 
 
- 
 
 96 
clear_status_field:
- 
 
 97 
        mov     si, space_msg
- 
 
 98 
        mov     byte [si+80], 0
- 
 
 99 
        _setcursor 16,0
- 
 
 100 
        call    printplain
- 
 
 101 
        _setcursor 16,0
- 
 
 102 
        ret
95 
 
 103 
 
96 
boot_read_floppy:
 104 
boot_read_floppy:
97 
        push    si
 105 
        push    si
98 
        xor     si, si
 106 
        xor     si, si
99 
        mov     ah, 2   ; read
 107 
        mov     ah, 2   ; read
Line 274... Line 282...
274 
        pop     ds
 282 
        pop     ds
275 
else
 283 
else
276 
        cld
 284 
        cld
277 
        push    0
 285 
        push    0
278 
        pop     es
 286 
        pop     es
279 
; \begin{diamond}[02.12.2005]
 - 
 
280 
; if bootloader sets ax = 'KL', then ds:si points to loader block
 287 
; if bootloader sets ax = 'KL', then ds:si points to loader block
281 
        cmp     ax, 'KL'
 288 
        cmp     ax, 'KL'
282 
        jnz     @f
 289 
        jnz     @f
283 
        mov     word [cs:cfgmanager.loader_block], si
 290 
        mov     word [cs:cfgmanager.loader_block], si
284 
        mov     word [cs:cfgmanager.loader_block+2], ds
 291 
        mov     word [cs:cfgmanager.loader_block+2], ds
285 
        mov     word [es:BOOT_LO.kernel_restart], kernel_restart_bootblock
 292 
        mov     word [es:BOOT_LO.kernel_restart], kernel_restart_bootblock
286 
@@:
 293 
@@:
287 
; \end{diamond}[02.12.2005]
 - 
 
288 
 
 - 
 
289 
; if bootloader sets cx = 'HA' and dx = 'RD', then bx contains identifier of source disk
 294 
; if bootloader sets cx = 'HA' and dx = 'RD', then bx contains identifier of source disk
290 
; (see comment to BOOT_LO.sys_disk and loader_doc.txt)
 295 
; (see comment to BOOT_LO.sys_disk and loader_doc.txt)
291 
        mov     word [es:BOOT_LO.sys_disk], 'r1'  ; default value: /rd/1
 296 
        mov     word [es:BOOT_LO.sys_disk], 'r1'  ; default value: /rd/1
292 
        cmp     cx, 'HA'
 297 
        cmp     cx, 'HA'
293 
        jnz     no_hd_load
 298 
        jnz     no_hd_load
Line 418... Line 423...
418 
        in      al, 64h
 423 
        in      al, 64h
419 
        test    al, 1
 424 
        test    al, 1
420 
        loopz   @b
 425 
        loopz   @b
421 
        in      al, 0x60
 426 
        in      al, 0x60
Line 422... Line -...
422 
 
 - 
 
423 
;;;/diamond today   5.02.2008
 427 
 
424 
; set keyboard typematic rate & delay
 428 
; set keyboard typematic rate & delay
425 
        mov     al, 0xf3
 429 
        mov     al, 0xf3
426 
        out     0x60, al
 430 
        out     0x60, al
427 
        xor     cx, cx
 431 
        xor     cx, cx
Line 492... Line 496...
492 
; DISPLAY VESA INFORMATION
 496 
; DISPLAY VESA INFORMATION
493 
        call    print_vesa_info
 497 
        call    print_vesa_info
494 
        call    calc_vmodes_table
 498 
        call    calc_vmodes_table
495 
        call    check_first_parm   ;check and enable cursor_pos
 499 
        call    check_first_parm   ;check and enable cursor_pos
Line 496... Line -...
496 
 
 - 
 
497 
; \begin{diamond}[30.11.2005]
 500 
 
498 
cfgmanager:
 501 
cfgmanager:
499 
; settings:
 502 
; settings:
500 
; a) preboot_graph = graphical mode
 503 
; a) preboot_graph = graphical mode
501 
;    preboot_gprobe = probe this mode?
 504 
;    preboot_gprobe = probe this mode?
Line 935... Line 938...
935 
.loadc:
 938 
.loadc:
936 
        pop     eax
 939 
        pop     eax
937 
.cont:
 940 
.cont:
938 
        push    cs
 941 
        push    cs
939 
        pop     ds
 942 
        pop     ds
- 
 
 943 
 
- 
 
 944 
        push    es
940 
        mov     si, space_msg
 945 
        les     bx, [.loader_block]
- 
 
 946 
        cmp     byte [es:bx+7], 0      ; get write error flag
941 
        mov     byte [si+80], 0
 947 
        pop     es
942 
        _setcursor 16,0
 948 
        jz      .load
- 
 
 949 
        call    clear_status_field
- 
 
 950 
        mov     si, write_err_msg
943 
        call    printplain
 951 
        call    print
- 
 
 952 
.wait_any_key:
- 
 
 953 
        xor     ax, ax
944 
        _setcursor 16,0
 954 
        int     16h
- 
 
 955 
        test    ax, ax
- 
 
 956 
        jz      .wait_any_key
- 
 
 957 
 
945 
.load:
 958 
.load:
- 
 
 959 
        call    clear_status_field
946 
end if
 960 
end if
947 
; \end{diamond}[02.12.2005]
 - 
 
Line 948... Line 961...
948 
 
 961 
 
Line 949... Line 962...
949 
; ASK GRAPHICS MODE
 962 
; ASK GRAPHICS MODE
Line 997... Line 1010...
997 
        cmp     byte [es:BOOT_LO.rd_load_from], RD_LOAD_FROM_FLOPPY
 1010 
        cmp     byte [es:BOOT_LO.rd_load_from], RD_LOAD_FROM_FLOPPY
998 
        jne     no_sys_on_floppy
 1011 
        jne     no_sys_on_floppy
999 
        mov     si, diskload
 1012 
        mov     si, diskload
1000 
        call    print
 1013 
        call    print
1001 
        xor     ax, ax            ; reset drive
 1014 
        xor     ax, ax          ; reset drive
1002 
        xor     dx, dx
 1015 
        xor     dx, dx          ; 1st floppy disk (0)
1003 
        int     0x13
 1016 
        int     0x13
1004 
; do we boot from CD-ROM?
 1017 
; do we boot from CD-ROM?
1005 
        mov     ah, 41h
 1018 
        mov     ah, 41h         ; check extended mode
1006 
        mov     bx, 55AAh
 1019 
        mov     bx, 55AAh       ; test 2 bytes to check that this function is supported
1007 
        xor     dx, dx
 1020 
        xor     dx, dx          ; 1st floppy disk (0)
1008 
        int     0x13
 1021 
        int     0x13
1009 
        jc      .nocd
 1022 
        jc      .nocd           ; extended mode not supported
1010 
        cmp     bx, 0AA55h
 1023 
        cmp     bx, 0AA55h
1011 
        jnz     .nocd
 1024 
        jnz     .nocd           ; extended mode not supported
1012 
        mov     ah, 48h
 1025 
        mov     ah, 48h         ; extended read drive parameters
1013 
        push    ds
 1026 
        push    ds
1014 
        push    es
 1027 
        push    es
1015 
        pop     ds
 1028 
        pop     ds
1016 
        mov     si, 0xa000
 1029 
        mov     si, 0xa000
1017 
        mov     word [si], 30
 1030 
        mov     word [si], 30   ; size of result buffer
1018 
        int     0x13
 1031 
        int     0x13
1019 
        pop     ds
 1032 
        pop     ds
1020 
        jc      .nocd
 1033 
        jc      .nocd           ; error getting parameters
1021 
        push    ds
 1034 
        push    ds
1022 
        lds     si, [es:si+26]
 1035 
        lds     si, [es:si+26]  ; pointer to Enhanced Disk Drive (EDD) configuration parameters
1023 
        test    byte [ds:si+10], 40h
 1036 
        test    byte [ds:si+10], 40h ; check ATAPI device
1024 
        pop     ds
 1037 
        pop     ds
1025 
        jz      .nocd
 1038 
        jz      .nocd
- 
 
 1039 
 
1026 
; yes - read all floppy by 18 sectors
 1040 
; yes - read all floppy by 18 sectors
Line 1027... Line 1041...
1027 
 
 1041 
 
1028 
; TODO: !!!! read only first sector and set variables !!!!!
 1042 
; TODO: !!!! read only first sector and set variables !!!!!
1029 
; ...
 1043 
; ...