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kernel: framebuffers code

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git-svn-id: svn://kolibrios.org@6263 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Sergey Semyonov (Serge)
2016-02-20 09:57:44 +00:00
parent 25988a8014
commit 06644f770e
8 changed files with 288 additions and 215 deletions
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108
kernel/trunk/kernel.asm
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@@ -440,44 +440,12 @@ high_code:
; -----------------------------------------
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]
@@ -485,59 +453,6 @@ high_code:
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 @@ setvideomode:
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 @@ setvideomode:
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