| 3,6 → 3,7 |
|---|
| |
| align 4 |
| proc mem_test |
| |
| mov eax, cr0 |
| and eax, not (CR0_CD+CR0_NW) |
| or eax, CR0_CD ;disable caching |
| 21,6 → 22,7 |
|---|
| and eax, not (CR0_CD+CR0_NW) ;enable caching |
| mov cr0, eax |
| mov eax, edi |
| mov [LFBSize], 0x00800000 |
| ret |
| endp |
| |
| 49,8 → 51,6 |
|---|
| mov dword [sys_pgdir+4], eax |
| add eax, 0x00400000 |
| mov dword [sys_pgdir+8], eax |
| ; add eax, 0x00400000 |
| ; mov dword [sys_pgdir+12], eax |
| |
| mov dword [sys_pgdir+0x600], sys_pgdir+PG_SW |
| |
| 306,6 → 306,8 |
|---|
| |
| mov edi, [LFBSize] |
| mov esi, [LFBAddress] |
| mov dword [exp_lfb+4], esi |
| |
| shr edi, 12 |
| mov [pg_count], edi |
| shr edi, 10 |
| 1028,42 → 1030,6 |
|---|
| endp |
| |
| align 4 |
| proc fpu_save |
| clts |
| mov ebx, [fpu_owner] |
| shl ebx, 8 |
| mov eax, [ebx+PROC_BASE+0x10] |
| mov ebx, [CURRENT_TASK] |
| mov [fpu_owner], ebx |
| |
| bt [cpu_caps], CAPS_FXSR |
| jnc .no_SSE |
| |
| fxsave [eax] |
| fninit ;re-init fpu |
| ret |
| .no_SSE: |
| fnsave [eax] |
| ret |
| endp |
| |
| align 4 |
| proc fpu_restore |
| mov ebx, [CURRENT_TASK] |
| shl ebx, 8 |
| mov eax, [ebx+PROC_BASE+0x10] |
| bt [cpu_caps], CAPS_FXSR |
| jnc .no_SSE |
| |
| fxrstor [eax] |
| ret |
| .no_SSE: |
| fnclex ;fix possible problems |
| frstor [eax] |
| ret |
| endp |
| |
| align 4 |
| proc test_cpu |
| locals |
| cpu_type dd ? |
| 1286,10 → 1252,9 |
|---|
| tmp_task_ptab rd 1 |
| tmp_task_data rd 1 |
| |
| ; current_pdir rd 1 |
| |
| fpu_data rd 1 |
| fdd_buff rd 1 |
| LFBSize rd 1 |
| |
| stall_mcs rd 1 |
| ;;CPUID information |
| 1303,7 → 1268,7 |
|---|
| uglobal |
| align 16 |
| dll_tab rb 32*32 |
| srv_tab rb 32*32 |
| srv_tab rb 36*32 |
| dll_map rd 1 |
| srv_map rd 1 |
| |