Subversion Repositories Kolibri OS

Rev

Rev 5363 | Go to most recent revision | Show entire file | Regard whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 5363 Rev 7122
Line 1... Line 1...
1 
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 1 
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
2 
;;                                                              ;;
 2 
;;                                                              ;;
3 
;; Copyright (C) KolibriOS team 2009-2015. All rights reserved. ;;
 3 
;; Copyright (C) KolibriOS team 2009-2017. All rights reserved. ;;
4 
;; Distributed under terms of the GNU General Public License    ;;
 4 
;; Distributed under terms of the GNU General Public License    ;;
5 
;;                                                              ;;
 5 
;;                                                              ;;
6 
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 6 
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
Line 7... Line 7...
7 
 
 7 
 
Line 8... Line 8...
8 
$Revision: 5363 $
 8 
$Revision: 7122 $
9 
 
 9 
 
Line 15... Line 15...
15 
; first call to fn E820
 15 
; first call to fn E820
16 
        mov     eax, 0xE820
 16 
        mov     eax, 0xE820
17 
        xor     ebx, ebx
 17 
        xor     ebx, ebx
18 
        mov     es, bx
 18 
        mov     es, bx
19 
        mov     ds, bx
 19 
        mov     ds, bx
20 
        mov     di, 0x9104
 20 
        mov     di, BOOT_MEMMAP_BLOCKS
21 
        mov     [di-4], ebx ; no blocks yet
 21 
        mov     [BOOT_MEMMAP_BLOCK_CNT], ebx ; no blocks yet
22 
        mov     ecx, 20
 22 
        mov     ecx, 20
23 
        mov     edx, 0x534D4150
 23 
        mov     edx, 'PAMS' ; 'SMAP'
24 
        int     15h
 24 
        int     15h
25 
        jc      no_E820
 25 
        jc      no_E820
26 
        cmp     eax, 0x534D4150
 26 
        cmp     eax, 'PAMS'
27 
        jnz     no_E820
 27 
        jnz     no_E820
28 
e820_mem_loop:
 28 
e820_mem_loop:
29 
;        cmp     byte [di+16], 1 ; ignore non-free areas
 29 
;        cmp     byte [di+16], 1 ; ignore non-free areas
30 
;        jnz     e820_mem_next
 30 
;        jnz     e820_mem_next
31 
        inc     byte [0x9100]
 31 
        inc     byte [BOOT_MEMMAP_BLOCK_CNT]
32 
        add     di, 20
 32 
        add     di, sizeof.e820entry
33 
e820_mem_next:
 33 
e820_mem_next:
34 
; consequent calls to fn E820
 34 
; consequent calls to fn E820
35 
        test    ebx, ebx
 35 
        test    ebx, ebx
36 
        jz      e820_test_done
 36 
        jz      e820_test_done
37 
        cmp     byte [0x9100], 32
 37 
        cmp     byte [BOOT_MEMMAP_BLOCK_CNT], MAX_MEMMAP_BLOCKS
38 
        jae     e820_test_done
 38 
        jz      e820_test_done
39 
        mov     eax, 0xE820
 39 
        mov     eax, 0xE820
40 
        int     15h
 40 
        int     15h
41 
        jc      e820_test_done
 41 
        jc      e820_test_done
42 
        jmp     e820_mem_loop
 42 
        jmp     e820_mem_loop
43 
no_E820:
 43 
no_E820: