| 440,45 → 440,13 |
|---|
| ; ----------------------------------------- |
| mov al, [BOOT_VARS+BOOT_DMA] ; DMA access |
| mov [allow_dma_access], al |
| movzx eax, byte [BOOT_VARS+BOOT_BPP] ; bpp |
| mov [_display.bits_per_pixel], eax |
| mov [_display.vrefresh], 60 |
| |
| mov al, [BOOT_VARS+BOOT_DEBUG_PRINT] ; If nonzero, duplicates debug output to the screen |
| mov [debug_direct_print], al |
| |
| mov al, [BOOT_VARS+BOOT_LAUNCHER_START] ; Start the first app (LAUNCHER) after kernel is loaded? |
| mov [launcher_start], al |
| movzx eax, word [BOOT_VARS+BOOT_X_RES]; X max |
| mov [_display.width], eax |
| mov [display_width_standard], eax |
| dec eax |
| mov [screen_workarea.right], eax |
| movzx eax, word [BOOT_VARS+BOOT_Y_RES]; Y max |
| mov [_display.height], eax |
| mov [display_height_standard], eax |
| dec eax |
| mov [screen_workarea.bottom], eax |
| movzx eax, word [BOOT_VARS+BOOT_VESA_MODE] ; screen mode |
| mov dword [SCR_MODE], eax |
| ; mov eax, [BOOT_VAR+0x9014] ; Vesa 1.2 bnk sw add |
| ; mov [BANK_SWITCH], eax |
| mov eax, 640 *4 ; Bytes PerScanLine |
| cmp [SCR_MODE], word 0x13 ; 320x200 |
| je @f |
| cmp [SCR_MODE], word 0x12 ; VGA 640x480 |
| je @f |
| movzx eax, word[BOOT_VARS+BOOT_PITCH] ; for other modes |
| @@: |
| mov [_display.lfb_pitch], eax |
| mov eax, [_display.width] |
| mul [_display.height] |
| mov [_display.win_map_size], eax |
| |
| call calculate_fast_getting_offset_for_WinMapAddress |
| ; for Qemu or non standart video cards |
| ; Unfortunately [BytesPerScanLine] does not always |
| ; equal to [_display.width] * [ScreenBPP] / 8 |
| call calculate_fast_getting_offset_for_LFB |
| |
| mov esi, BOOT_VARS+0x9080 |
| movzx ecx, byte [esi-1] |
| mov [NumBiosDisks], ecx |
| 485,59 → 453,6 |
|---|
| mov edi, BiosDisksData |
| rep movsd |
| |
| setvideomode: |
| |
| mov eax, [BOOT_VARS+BOOT_LFB] |
| mov [LFBAddress], eax |
| |
| cmp word [SCR_MODE], 0x0012 ; VGA (640x480 16 colors) |
| je .vga |
| cmp word [SCR_MODE], 0x0013 ; MCGA (320*200 256 colors) |
| je .32bpp |
| cmp byte [_display.bits_per_pixel], 32 |
| je .32bpp |
| cmp byte [_display.bits_per_pixel], 24 |
| je .24bpp |
| cmp byte [_display.bits_per_pixel], 16 |
| je .16bpp |
| ; cmp byte [_display.bits_per_pixel], 15 |
| ; je .15bpp |
| |
| .vga: |
| mov [PUTPIXEL], VGA_putpixel |
| mov [GETPIXEL], Vesa20_getpixel32 ; Conversion buffer is 32 bpp |
| mov [_display.bytes_per_pixel], 4 ; Conversion buffer is 32 bpp |
| jmp .finish |
| |
| ; .15bpp: |
| ; mov [PUTPIXEL], Vesa20_putpixel15 |
| ; mov [GETPIXEL], Vesa20_getpixel15 |
| ; mov [_display.bytes_per_pixel], 2 |
| ; jmp .finish |
| |
| .16bpp: |
| mov [PUTPIXEL], Vesa20_putpixel16 |
| mov [GETPIXEL], Vesa20_getpixel16 |
| mov [_display.bytes_per_pixel], 2 |
| jmp .finish |
| |
| .24bpp: |
| mov [PUTPIXEL], Vesa20_putpixel24 |
| mov [GETPIXEL], Vesa20_getpixel24 |
| mov [_display.bytes_per_pixel], 3 |
| jmp .finish |
| |
| .32bpp: |
| mov [PUTPIXEL], Vesa20_putpixel32 |
| mov [GETPIXEL], Vesa20_getpixel32 |
| mov [_display.bytes_per_pixel], 4 |
| ; jmp .finish |
| |
| .finish: |
| mov [MOUSE_PICTURE], mousepointer |
| mov [_display.check_mouse], check_mouse_area_for_putpixel |
| mov [_display.check_m_pixel], check_mouse_area_for_getpixel |
| |
| ; -------- Fast System Call init ---------- |
| ; Intel SYSENTER/SYSEXIT (AMD CPU support it too) |
| bt [cpu_caps], CAPS_SEP |
| 619,8 → 534,16 |
|---|
| mov ax, tss0 |
| ltr ax |
| |
| mov [LFBSize], 0xC00000 |
| call init_LFB |
| mov eax, sys_proc |
| list_init eax |
| add eax, PROC.thr_list |
| list_init eax |
| |
| call init_video |
| call init_mtrr |
| mov [LFBAddress], LFB_BASE |
| mov ecx, bios_fb |
| call set_framebuffer |
| call init_fpu |
| call init_malloc |
| |
| 707,14 → 630,9 |
|---|
| mov esi, boot_setostask |
| call boot_log |
| |
| mov eax, sys_proc |
| lea edi, [eax+PROC.heap_lock] |
| mov edi, sys_proc+PROC.heap_lock |
| mov ecx, (PROC.ht_free-PROC.heap_lock)/4 |
| |
| list_init eax |
| add eax, PROC.thr_list |
| list_init eax |
| |
| xor eax, eax |
| cld |
| rep stosd |