| 156,7 → 156,7 |
|---|
| or esi, PG_GLOBAL + PAT_WC + PG_UWR |
| and esi, [pte_valid_mask] |
| |
| stdcall alloc_kernel_space, 0x1000 |
| stdcall alloc_kernel_space, PAGE_SIZE |
| mov edi, eax |
| mov ebx, 4 |
| |
| 168,15 → 168,15 |
|---|
| stdcall map_page, edi, eax, PG_SWR |
| |
| mov eax, esi |
| mov ecx, 1024 |
| mov ecx, PAGE_SIZE/4 |
| @@: |
| stosd |
| add eax, 0x1000 |
| add eax, PAGE_SIZE |
| loop @B |
| |
| add esi, 0x400000 |
| add ebp, 4 |
| sub edi, 4096 |
| sub edi, PAGE_SIZE |
| dec ebx |
| jnz .new_pd |
| stdcall free_kernel_space, edi |
| 185,7 → 185,7 |
|---|
| .fake: |
| mov [BOOT.mtrr], byte 2 |
| |
| stdcall alloc_kernel_space, 0x1000 |
| stdcall alloc_kernel_space, PAGE_SIZE |
| push eax ;store in stack for subsequent |
| mov edi, eax ;free_kernel_space call |
| |
| 197,13 → 197,13 |
|---|
| |
| ; max VGA=640*480*4=1228800 bytes |
| ; + 32*640*4=81920 bytes for mouse pointer |
| stdcall alloc_pages, ((1228800+81920)/4096) |
| stdcall alloc_pages, ((1228800+81920)/PAGE_SIZE) |
| or eax, PG_GLOBAL+PG_UWR |
| and eax, [pte_valid_mask] |
| mov ecx, (1228800+81920)/4096 |
| mov ecx, (1228800+81920)/PAGE_SIZE |
| @@: |
| stosd |
| add eax, 0x1000 |
| add eax, PAGE_SIZE |
| loop @B |
| |
| call free_kernel_space |
| 221,7 → 221,7 |
|---|
| cli |
| mov [_display.current_lfb], ecx |
| .patch_pde: |
| lea edi, [eax + PROC.pdt_0+4096-32] ;last 8 pd entries up to 32Mb framebuffer |
| lea edi, [eax + PROC.pdt_0 + PAGE_SIZE -32] ;last 8 pd entries up to 32Mb framebuffer |
| mov ecx, 4 |
| rep movsd ;patch pde |
| sub esi, 16 |