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Update BOOT_DATA structure and use it instead of all the BOOT_* vars.

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git-svn-id: svn://kolibrios.org@7132 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Ivan B
2017-12-17 02:12:53 +00:00
parent b00728a5d1
commit 368d42ffae
18 changed files with 192 additions and 204 deletions
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14
kernel/trunk/video/framebuffer.inc
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@@ -40,37 +40,37 @@ align 4
init_video:
mov ebp, bios_fb
movzx eax, byte [BOOT_VARS+BOOT_BPP] ; bpp
movzx eax, byte [BOOT.bpp] ; bpp
mov [_display.bits_per_pixel], eax
mov [_display.vrefresh], 60
movzx eax, word [BOOT_VARS+BOOT_X_RES]; X max
movzx eax, word [BOOT.x_res]; X max
mov [_display.width], eax
mov [ebp+FRB.width], eax
mov [display_width_standard], eax
dec eax
mov [screen_workarea.right], eax
movzx eax, word [BOOT_VARS+BOOT_Y_RES]; Y max
movzx eax, word [BOOT.y_res]; Y max
mov [_display.height], eax
mov [ebp+FRB.height], eax
mov [display_height_standard], eax
dec eax
mov [screen_workarea.bottom], eax
movzx eax, word [BOOT_VARS+BOOT_VESA_MODE] ; screen mode
movzx eax, word [BOOT.vesa_mode] ; screen mode
mov dword [SCR_MODE], 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
movzx eax, word[BOOT.pitch] ; for other modes
@@:
mov [_display.lfb_pitch], eax
mov [ebp+FRB.pitch], eax
mov eax, [BOOT_VARS+BOOT_LFB]
mov eax, [BOOT.lfb]
mov [LFBAddress], eax
mov eax, [_display.width]
@@ -179,7 +179,7 @@ init_video:
jmp .ok
.fake:
mov [BOOT_VARS+BOOT_MTRR], byte 2
mov [BOOT.mtrr], byte 2
stdcall alloc_kernel_space, 0x1000
push eax ;store in stack for subsequent