Subversion Repositories Kolibri OS

Rev

Rev 756 | Go to most recent revision | Show entire file | Regard whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 756 Rev 837
Line 3... Line 3...
3 
;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;;
 3 
;; Copyright (C) KolibriOS team 2004-2007. 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: 756 $
 8 
$Revision: 837 $
9 
 
 9 
 
10 
 
 10 
 
Line 37... Line 37...
37 
           ret
 37 
           ret
38 
endp
 38 
endp
Line 39... Line 39...
39 
 
 39 
 
40 
align 4
 40 
align 4
- 
 
 41 
proc init_mem
- 
 
 42 
 
- 
 
 43 
           mov ecx, [0x2F0000 + 0x9100]
- 
 
 44 
           test ecx, ecx
- 
 
 45 
           jz .nosmap
- 
 
 46 
 
- 
 
 47 
           xor eax, eax
- 
 
 48 
           mov esi, 0x2F0000 + 0x9104
- 
 
 49 
@@:
- 
 
 50 
           cmp dword [esi+16], 1
- 
 
 51 
           jne .next
- 
 
 52 
           mov edx, [esi+8]
- 
 
 53 
           cmp eax, [esi+8]
- 
 
 54 
           ja .next
- 
 
 55 
 
- 
 
 56 
           mov eax, [esi+8]
- 
 
 57 
.next:
- 
 
 58 
           add esi, 20
- 
 
 59 
           loop @B
- 
 
 60 
 
- 
 
 61 
           mov [MEM_AMOUNT-OS_BASE], eax
- 
 
 62 
           jmp @F
- 
 
 63 
.nosmap:
- 
 
 64 
	   call mem_test
41 
proc init_mem
 65 
 
- 
 
 66 
           mov eax, [MEM_AMOUNT-OS_BASE]
42 
           mov eax, [MEM_AMOUNT-OS_BASE]
 67 
@@:
Line 43... Line 68...
43 
           mov [pg_data.mem_amount-OS_BASE], eax
 68 
           mov [pg_data.mem_amount-OS_BASE], eax
44 
 
 69 
 
45 
           shr eax, 12
 70 
           shr eax, 12
Line 69... Line 94...
69 
           mov edi, sys_pgdir-OS_BASE
 94 
           mov edi, sys_pgdir-OS_BASE
70 
           mov ecx, 4096/4
 95 
           mov ecx, 4096/4
71 
           cld
 96 
           cld
72 
           rep stosd
 97 
           rep stosd
Line 73... Line 98...
73 
 
 98 
 
74 
           mov edx, (sys_pgdir-OS_BASE)+ 0x800; (OS_BASE shr 20)
 99 
           mov edx, (sys_pgdir-OS_BASE)+ (OS_BASE shr 20)
75 
           bt [cpu_caps-OS_BASE], CAPS_PSE
 100 
           bt [cpu_caps-OS_BASE], CAPS_PSE
Line 76... Line 101...
76 
           jnc .no_PSE
 101 
           jnc .no_PSE
77 
 
 102