| 106,7 → 106,7 |
|---|
| dec ecx |
| jnz .map_kernel_tabs |
| |
| mov dword [sys_pgdir+0x600], sys_pgdir+PG_SW |
| mov dword [sys_pgdir+(page_tabs shr 20)], sys_pgdir+PG_SW |
| ret |
| endp |
| |
| 365,7 → 365,7 |
|---|
| mov eax, [phis_addr] |
| and eax, not 0xFFF |
| or eax, PG_UW ;+PG_NOCACHE |
| mov dword [current_pgdir+ebx*4], eax |
| mov dword [master_tab+ebx*4], eax |
| mov eax, [lin_addr] |
| shr eax, 10 |
| add eax, page_tabs |
| 376,6 → 376,10 |
|---|
| |
| align 4 |
| proc init_LFB |
| locals |
| pg_count dd ? |
| endl |
| |
| cmp dword [LFBAddress], -1 |
| jne @f |
| mov [0x2f0000+0x901c],byte 2 |
| 388,18 → 392,9 |
|---|
| mov [0x2f0000+0x901c],byte 2 |
| ret |
| @@: |
| call map_LFB |
| ret |
| endp |
| |
| align 4 |
| proc map_LFB |
| locals |
| pg_count dd ? |
| endl |
| |
| mov edx, LFB_BASE |
| mov esi, [LFBAddress] |
| mov edi, [LFBSize] |
| mov esi, [LFBAddress] |
| mov dword [exp_lfb+4], esi |
| |
| shr edi, 12 |
| 408,13 → 403,12 |
|---|
| |
| bt [cpu_caps], CAPS_PSE |
| jnc .map_page_tables |
| mov ebx, esi |
| or esi, PG_LARGE+PG_UW |
| shr ebx, 20 |
| mov ecx, ebx |
| shr edx, 20 |
| mov ecx, edx |
| @@: |
| mov [sys_pgdir+ebx], esi |
| add ebx, 4 |
| mov [sys_pgdir+edx], esi |
| add edx, 4 |
| add esi, 0x00400000 |
| dec edi |
| jnz @B |
| 423,6 → 417,7 |
|---|
| jnc @F |
| or dword [sys_pgdir+ecx], PG_GLOBAL |
| @@: |
| mov dword [LFBAddress], LFB_BASE |
| mov eax, cr3 ;flush TLB |
| mov cr3, eax |
| ret |
| 431,31 → 426,19 |
|---|
| |
| @@: |
| call alloc_page |
| stdcall map_page_table, esi, eax |
| stdcall map_page_table, edx, eax |
| add esi, 0x00400000 |
| dec edi |
| jnz @B |
| |
| mov eax, [LFBAddress] |
| mov esi, eax |
| shr esi, 10 |
| add esi, page_tabs |
| mov edi, page_tabs + (LFB_BASE shr 10) |
| or eax, PG_UW |
| mov ecx, [pg_count] |
| shr ecx, 2 |
| .map: |
| mov [esi], eax |
| add eax, 0x1000 |
| mov [esi+4], eax |
| add eax, 0x1000 |
| mov [esi+8], eax |
| add eax, 0x1000 |
| mov [esi+12], eax |
| add eax, 0x1000 |
| add esi, 16 |
| sub ecx, 1 |
| jnz .map |
| cld |
| rep stosd |
| |
| mov dword [LFBAddress], LFB_BASE |
| mov eax, cr3 ;flush TLB |
| mov cr3, eax |
| |
| 488,10 → 471,10 |
|---|
| shr edi, 12 |
| shr esi, 12 |
| @@: |
| mov eax, [page_tabs+0x00181000+edi*4] |
| mov eax, [app_page_tabs+edi*4] |
| test eax, 1 |
| jz .next |
| mov dword [page_tabs+0x00181000+edi*4], 2 |
| mov dword [app_page_tabs+edi*4], 2 |
| mov ebx, edi |
| shl ebx, 12 |
| invlpg [ebx+std_application_base_address] |
| 636,18 → 619,18 |
|---|
| |
| mov ebx, [ebp-4] |
| |
| cmp ebx, 0xe0000000 |
| jae .lfb_addr |
| |
| cmp ebx, 0x60400000 |
| cmp ebx, 0x80000000 |
| jae .user_space |
| |
| cmp ebx, master_tab+0x1000 |
| cmp ebx, app_page_tabs |
| jae .alloc |
| |
| cmp ebx, 0x60000000 |
| cmp ebx, page_tabs |
| jae .tab_space |
| |
| cmp ebx, 0x7DC00000 |
| jae .lfb_addr |
| |
| jmp .kernel_space |
| |
| .user_space: |
| 1075,7 → 1058,7 |
|---|
| @@: |
| cmp eax, 17 |
| ja @f |
| stdcall srv_handlerEx, ebx |
| call srv_handlerEx ;ebx |
| mov [esp+36], eax |
| ret |
| @@: |