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Line 1... Line 1...
1 
tmp_page_tab      equ 0x00C00000
 1 
tmp_page_tab      equ HEAP_BASE
Line 2... Line 2...
2 
 
 2 
 
3 
align 4
 3 
align 4
Line 4... Line 4...
4 
proc mem_test
 4 
proc mem_test
Line 16... Line 16...
16 
           xchg ebx, dword [edi]
 16 
           xchg ebx, dword [edi]
17 
           cmp dword [edi], 'TEST'
 17 
           cmp dword [edi], 'TEST'
18 
           xchg ebx, dword [edi]
 18 
           xchg ebx, dword [edi]
19 
           je @b
 19 
           je @b
20 
 
 20 
           mov [MEM_AMOUNT], edi
- 
 
 21 
 
Line 21... Line 22...
21 
           and eax, not (CR0_CD+CR0_NW)  ;enable caching
 22 
           and eax, not (CR0_CD+CR0_NW)  ;enable caching
22 
           mov cr0, eax
 23 
           mov cr0, eax
23 
           mov eax, edi
 24 
           mov eax, edi
24 
           mov [LFBSize], 0x00800000
 25 
           mov [LFBSize], 0x00800000
25 
           ret
 26 
           ret
26 
endp
 27 
endp
Line 27... Line 28...
27 
 
 28 
 
28 
align 4
 29 
align 4
- 
 
 30 
proc init_mem
- 
 
 31 
 
- 
 
 32 
           mov eax, [MEM_AMOUNT]
- 
 
 33 
 
- 
 
 34 
           mov [pg_data.mem_amount], eax
- 
 
 35 
           mov [pg_data.kernel_max], eax
- 
 
 36 
 
- 
 
 37 
           shr eax, 12
- 
 
 38 
           mov edx, eax
- 
 
 39 
           mov [pg_data.pages_count], eax
- 
 
 40 
           mov [pg_data.kernel_pages], eax
- 
 
 41 
 
- 
 
 42 
           shr eax, 3
- 
 
 43 
           mov [pg_data.pagemap_size], eax
- 
 
 44 
 
- 
 
 45 
           shr edx, 10
- 
 
 46 
           cmp edx, 3
- 
 
 47 
           ja @f
- 
 
 48 
           inc edx       ;at least 4Mb for kernel heap
- 
 
 49 
@@:
- 
 
 50 
           mov [pg_data.kernel_tables], edx
29 
proc init_memEx
 51 
 
30 
           xor eax, eax
 52 
           xor eax, eax
31 
           mov edi, sys_pgdir
 53 
           mov edi, sys_pgdir
- 
 
 54 
           mov ecx, 2048
32 
           mov ecx, 2048
 55 
           cld
Line -... Line 56...
- 
 
 56 
           rep stosd
33 
           rep stosd
 57 
 
34 
 
 58 
           mov edx, sys_pgdir
Line 35... Line 59...
35 
           bt [cpu_caps], CAPS_PSE
 59 
           bt [cpu_caps], CAPS_PSE
36 
           jnc .no_PSE
 60 
           jnc .no_PSE
Line 43... Line 67...
43 
           or eax, PG_GLOBAL
 67 
           or eax, PG_GLOBAL
44 
           or ebx, CR4_PGE
 68 
           or ebx, CR4_PGE
45 
@@:
 69 
@@:
46 
           mov cr4, ebx
 70 
           mov cr4, ebx
47 
 
 71 
           sub [pg_data.kernel_tables], 2
- 
 
 72 
 
Line 48... Line 73...
48 
           mov dword [sys_pgdir], eax
 73 
           mov [edx], eax
49 
           add eax, 0x00400000
 - 
 
50 
           mov dword [sys_pgdir+4], eax
 - 
 
51 
           add eax, 0x00400000
 74 
           add eax, 0x00400000
52 
           mov dword [sys_pgdir+8], eax
 75 
           mov [edx+4], eax
- 
 
 76 
           add edx, 8
Line 53... Line -...
53 
 
 - 
 
54 
           mov dword [sys_pgdir+0x600], sys_pgdir+PG_SW
 - 
 
55 
 
 - 
 
56 
           mov ecx, [pg_data.kernel_tables]
 - 
 
57 
           sub ecx, 3 ;4
 77 
 
58 
           mov eax, tmp_page_tab+PG_SW
 78 
           mov eax, 0x800000+PG_SW
59 
           mov edi, sys_pgdir+12     ;16
 - 
 
60 
 
 79 
           mov ecx, (HEAP_BASE-0x800000)/4096
61 
           jmp .map_kernel_tabs
 80 
           jmp .map_low
62 
.no_PSE:
 81 
.no_PSE:
63 
           mov eax, PG_SW
 82 
           mov eax, PG_SW
64 
           mov esi, tmp_page_tab
 - 
 
65 
           mov ecx, 3072/4;  4096/4      ;0x0 - 0x00FFFFFF
 83 
           mov ecx, HEAP_BASE/4096
66 
.map_low:
 84 
.map_low:
67 
           mov [esi], eax
 - 
 
68 
           add eax, 0x1000
 85 
           mov edi, tmp_page_tab
69 
           mov [esi+4], eax
 - 
 
70 
           add eax, 0x1000
 86 
@@:                                   ;
71 
           mov [esi+8], eax
 - 
 
72 
           add eax, 0x1000
 - 
 
73 
           mov [esi+12], eax
 87 
           stosd
74 
           add eax, 0x1000
 - 
 
75 
           add esi, 16
 88 
           add eax, 0x1000
- 
 
 89 
           dec ecx
- 
 
 90 
           jnz @B
76 
           dec ecx
 91 
 
- 
 
 92 
           mov ecx, [pg_data.kernel_tables]
- 
 
 93 
           shl ecx, 10
- 
 
 94 
           xor eax, eax
Line 77... Line 95...
77 
           jnz .map_low            ;ÿäðî
 95 
           rep stosd
78 
 
 96 
 
79 
           mov ecx, [pg_data.kernel_tables]
 97 
           mov ecx, [pg_data.kernel_tables]
Line 80... Line 98...
80 
           mov eax, tmp_page_tab+PG_SW
 98 
           mov eax, tmp_page_tab+PG_SW
Line 81... Line 99...
81 
           mov edi, sys_pgdir
 99 
           mov edi, edx
82 
 
 100 
 
83 
.map_kernel_tabs:
 - 
 
84 
 
 101 
.map_kernel_tabs:
85 
           mov [edi], eax
 102 
 
Line 86... Line -...
86 
           add eax, 0x1000
 - 
 
87 
           add edi, 4
 - 
 
88 
           dec ecx
 - 
 
89 
           jnz .map_kernel_tabs
 - 
 
90 
 
 - 
 
91 
           mov edi, tmp_page_tab
 - 
 
92 
           bt [cpu_caps], CAPS_PSE
 - 
 
93 
           jc @F
 - 
 
94 
           add edi, 3072*4    ;4096*4  ;skip low kernel memory
 - 
 
95 
@@:
 - 
 
96 
           mov ecx, [pg_data.kernel_tables]
 - 
 
97 
           sub ecx, 3
 - 
 
98 
           shl ecx, 10
 103 
           stosd
99 
           xor eax, eax
 - 
 
100 
           cld
 104 
           add eax, 0x1000
101 
           rep stosd
 105 
           dec ecx
Line 102... Line 106...
102 
 
 106 
           jnz .map_kernel_tabs
103 
           mov dword [sys_pgdir+0x600], sys_pgdir+PG_SW
 107 
 
- 
 
 108 
           mov dword [sys_pgdir+0x600], sys_pgdir+PG_SW
104 
 
 109 
           ret
- 
 
 110 
endp
105 
           ret
 111 
 
106 
endp
 112 
align 4
107 
 
 113 
proc init_page_map
108 
align 4
 114 
 
Line 109... Line 115...
109 
proc init_page_map
 115 
           mov edi, sys_pgmap
110 
           mov edi, sys_pgmap
 116 
           mov ecx, (HEAP_BASE/4096)/32      ;384/4
111 
           mov ecx, 384/4
 117 
           mov ebx, ecx
112 
           xor eax,eax
 118 
           xor eax,eax
113 
           cld
 119 
           cld
Line 114... Line 120...
114 
           rep stosd
 120 
           rep stosd
115 
 
 121 
 
116 
           not eax
 122 
           not eax
117 
           mov ecx, [pg_data.pagemap_size]
 123 
           mov ecx, [pg_data.pagemap_size]
118 
           sub ecx, 384
 - 
 
119 
           shr ecx, 2
 - 
 
120 
           rep stosd
 - 
 
121 
 
 124 
           sub ecx, ebx
122 
           mov edi, sys_pgmap+384
 125 
           shr ecx, 2
123 
           mov edx, [pg_data.pages_count]
 126 
           rep stosd
Line 124... Line 127...
124 
           mov ecx, [pg_data.kernel_tables]
 127 
 
125 
           bt [cpu_caps], CAPS_PSE
 128 
           lea edi, [sys_pgmap+ebx*4]         ;+384
Line 138... Line 141...
138 
           not eax
 141 
           not eax
139 
           mov ecx, ebx
 142 
           mov ecx, ebx
140 
           and ecx, 31
 143 
           and ecx, 31
141 
           shl eax, cl
 144 
           shl eax, cl
- 
 
 145 
           mov [page_start], edi;           sys_pgmap+384
142 
           stosd
 146 
           stosd
Line 143... Line -...
143 
 
 - 
 
144 
           mov [page_start], sys_pgmap+384
 147 
 
145 
           mov ebx, sys_pgmap
 148 
           mov ebx, sys_pgmap
146 
           add ebx, [pg_data.pagemap_size]
 149 
           add ebx, [pg_data.pagemap_size]
Line 147... Line 150...
147 
           mov [page_end], ebx
 150 
           mov [page_end], ebx
Line 1346... Line 1349...
1346 
uglobal
 1349 
uglobal
1347 
align 16
 1350 
align 16
1348 
  irq_tab           rd 16
 1351 
  irq_tab           rd 16
Line 1349... Line -...
1349 
 
 - 
 
1350 
 
 1352 
 
Line 1351... Line 1353...
1351 
  MEM_FreeSpace     rd 1
 1353 
  MEM_FreeSpace     rd 1
1352 
 
 1354 
 
1353 
  ipc_tmp           rd 1
 1355 
  ipc_tmp           rd 1
Line 1361... Line 1363...
1361 
  tmp_task_pdir     rd 1
 1363 
  tmp_task_pdir     rd 1
1362 
  tmp_task_ptab     rd 1
 1364 
  tmp_task_ptab     rd 1
1363 
  tmp_task_data     rd 1
 1365 
  tmp_task_data     rd 1
Line 1364... Line -...
1364 
 
 - 
 
1365 
  fpu_data          rd 1
 1366 
 
1366 
  fdd_buff          rd 1
 1367 
  fdd_buff          rd 1
Line 1367... Line 1368...
1367 
  LFBSize           rd 1
 1368 
  LFBSize           rd 1
1368 
 
 1369 
 
Line 1393... Line 1394...
1393 
endg
 1394 
endg
Line 1394... Line 1395...
1394 
 
 1395 
 
1395 
uglobal
 1396 
uglobal
- 
 
 1397 
align 16
- 
 
 1398 
   fpu_data:
Line 1396... Line 1399...
1396 
align 16
 1399 
                   rb 512
Line 1397... Line 1400...
1397 
 
 1400 
 
1398 
   mst MEM_STATE
 1401 
   mst MEM_STATE
Line 1404... Line 1407...
1404 
 
 1407 
 
Line 1405... Line 1408...
1405 
   srv.fd          rd 1
 1408 
   srv.fd          rd 1
1406 
   srv.bk          rd 1
 1409 
   srv.bk          rd 1
Line -... Line 1410...
- 
 
 1410 
 
1407 
 
 1411 
   mem_used.fd     rd 1
- 
 
 1412 
   mem_used.bk     rd 1
1408 
   mem_used_list   rd 1
 1413 
 
1409 
   mem_block_arr   rd 1
 1414 
   mem_block_arr   rd 1
1410 
   mem_block_start rd 1
 1415 
   mem_block_start rd 1
Line 1411... Line 1416...
1411 
   mem_block_end   rd 1
 1416 
   mem_block_end   rd 1
Line 1422... Line 1427...
1422 
   event_start     rd 1
 1427 
   event_start     rd 1
1423 
   event_end       rd 1
 1428 
   event_end       rd 1
1424 
   event_uid       rd 1
 1429 
   event_uid       rd 1
1425 
   sys_page_map    rd 1
 1430 
   sys_page_map    rd 1
1426 
endg
 1431 
   os_stack        rd 1
- 
 
 1432 
endg
1427 
 
 1433 
 
Line 1428... Line 1434...
1428 
if 0
 1434 
if 0
1429 
     push eax
 1435 
     push eax
1430 
     push edx
 1436 
     push edx