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| Rev 207 | Rev 211 | ||
|---|---|---|---|
| Line 279... | Line 279... | ||
| 279 | endp |
279 | endp |
| 280 | 280 | ||
| Line 281... | Line 281... | ||
| 281 | align 4 |
281 | align 4 |
| 282 | proc init_LFB |
282 | proc init_LFB |
| 283 | - | ||
| 284 | cmp dword [LFBAddress], -1 |
283 | cmp dword [LFBAddress], -1 |
| 285 | jne @f |
284 | jne @f |
| 286 | - | ||
| 287 | mov [0x2f0000+0x901c],byte 2 |
285 | mov [0x2f0000+0x901c],byte 2 |
| 288 | stdcall kernel_alloc, 0x280000 |
286 | stdcall kernel_alloc, 0x280000 |
| 289 | mov [LFBAddress], eax |
287 | mov [LFBAddress], eax |
| 290 | - | ||
| 291 | ret |
288 | ret |
| 292 | @@: |
289 | @@: |
| 293 | test [SCR_MODE],word 0100000000000000b |
290 | test [SCR_MODE],word 0100000000000000b |
| 294 | jz @f |
291 | jnz @f |
| - | 292 | mov [0x2f0000+0x901c],byte 2 |
|
| 295 | call map_LFB |
293 | ret |
| 296 | @@: |
294 | @@: |
| - | 295 | call map_LFB |
|
| 297 | ret |
296 | ret |
| 298 | endp |
297 | endp |
| Line 299... | Line 298... | ||
| 299 | 298 | ||
| 300 | align 4 |
299 | align 4 |
| Line 1071... | Line 1070... | ||
| 1071 | cpu_AMD dd ? |
1070 | cpu_AMD dd ? |
| 1072 | endl |
1071 | endl |
| 1073 | 1072 | ||
| Line 1074... | Line 1073... | ||
| 1074 | mov [cpu_type], 0 |
1073 | mov [cpu_type], 0 |
| - | 1074 | xor eax, eax |
|
| - | 1075 | mov [cpu_caps], eax |
|
| - | 1076 | mov [cpu_caps+4], eax |
|
| Line 1075... | Line 1077... | ||
| 1075 | 1077 | ||
| 1076 | pushfd |
1078 | pushfd |
| 1077 | pop eax |
1079 | pop eax |
| 1078 | mov ecx, eax |
1080 | mov ecx, eax |
| Line 1161... | Line 1163... | ||
| 1161 | 1163 | ||
| Line 1162... | Line 1164... | ||
| 1162 | cmp [0x2f0000+0x901c],byte 2 |
1164 | cmp [0x2f0000+0x901c],byte 2 |
| 1163 | je .exit |
1165 | je .exit |
| Line -... | Line 1166... | ||
| - | 1166 | ||
| - | 1167 | bt [cpu_caps], CAPS_MTRR |
|
| - | 1168 | jnc .exit |
|
| 1164 | 1169 | ||
| 1165 | mov eax, cr0 |
1170 | mov eax, cr0 |
| 1166 | or eax, 0x60000000 ;disable caching |
1171 | or eax, 0x60000000 ;disable caching |
| 1167 | mov cr0, eax |
1172 | mov cr0, eax |