From 63b04ffc264aab5313811f1aa7ffc30715814e67 Mon Sep 17 00:00:00 2001
From: Michal Idziorek <m.i@gmx.at>
Date: Thu, 13 Nov 2014 02:27:05 +0100
Subject: cleanup and refactoring. abstracting away console

---
 kernel/vesa.c | 230 ----------------------------------------------------------
 1 file changed, 230 deletions(-)
 delete mode 100644 kernel/vesa.c

(limited to 'kernel/vesa.c')

diff --git a/kernel/vesa.c b/kernel/vesa.c
deleted file mode 100644
index be17623..0000000
--- a/kernel/vesa.c
+++ /dev/null
@@ -1,230 +0,0 @@
-//http://wiki.osdev.org/GUI
-#include <stdarg.h>
-#include "kernel.h"
-#include "config.h"
-#include "mem.h"
-#include "vesa.h"
-
-#include "lib/logger/log.h"	// logger facilities
-#include "lib/int/stdint.h"
-#include "lib/printf/printf.h"
-#define FOOLOS_MODULE_NAME "vesa"
-
-#define FOOLSOS_SHOW_VESAMODES
-
-
-static foolfont *deffont;
-static vbemodeinfo *VbeModeInfoBlock;
-
-static int console_x;
-static int console_y;
-
-static int console_lines;
-static int console_cols;
-
-static uint8_t* buffer;
-static uint8_t* physbase;
-
-void PutConsoleNL();
-void PutPixel(int x,int y, int color);
-
-void vesa_switch_buffers()
-{
-    for(int i=0;i<800*600*2;i++)physbase[i]=buffer[i];
-    
-}
-
-void vesa_put_rect(int x, int y, int w , int h, int color)
-{
-    for(int i=x;i<x+w;i++)
-	for(int j=y;j<y+h;j++)
-	    PutPixel(i,j,color);
-}
-
-void vesa_clear_screen()
-{
-    vesa_put_rect(0,0,VbeModeInfoBlock->Xres, VbeModeInfoBlock->Yres, 0xffffff);
-}
-
-
-void vesa_set_physbase(uint32_t addr)
-{
-    VbeModeInfoBlock->physbase=addr;
-}
-
-uint32_t vesa_init(vbeinfo *info,vbemodeinfo *mode,foolfont *rawfont)
-{
-    //the only functionallu important init lines! (rest is log)
-    VbeModeInfoBlock=mode;
-    deffont=rawfont;
-    console_x=0;
-    console_y=0;
-
-    int line_height=12;
-    int col_width=10;
-    console_lines=mode->Yres/line_height;
-    console_cols=mode->Xres/col_width;
-    
-    // vesa info
-    log(FOOLOS_MODULE_NAME,FOOLOS_LOG_INFO,"vbe version: 0x%x / video mode ptr: 0x%x 0x%x",
-	    info->VbeVersion, info->VideoModePtr[1], info->VideoModePtr[0]);
-
-    // vesa info on selected mode:
-    log(FOOLOS_MODULE_NAME,FOOLOS_LOG_INFO,"colors r:%d 0x%x g:%d 0x%x b:%d 0x%x",
-	    mode->red_position,mode->red_mask, 
-	    mode->green_position,mode->green_mask, 
-	    mode->blue_position,mode->blue_mask);
-
-    log(FOOLOS_MODULE_NAME,FOOLOS_LOG_INFO,"res: %d * %d / banks: %d / attr: 0x%x",
-	    mode->Xres, mode->Yres, mode->banks, mode->attributes);
-    log(FOOLOS_MODULE_NAME,FOOLOS_LOG_INFO,"bpp: %d / physbase: 0x%x",
-	    mode->bpp,mode->physbase);
-/*
-     // vesa modes
-     // todo: take segment from vbeinfo!
-#ifdef FOOLSOS_SHOW_VESAMODES
-    uint16_t *modeptr=info->VideoModePtr[0];
-
-    while(*modeptr!=0xffff&&*modeptr!=0)
-    {
-	log(FOOLOS_MODULE_NAME,FOOLOS_LOG_DEBUG,"mode supported : 0x%x", (*modeptr));
-	scr_put_hex(*modeptr);
-	modeptr++;
-    }
-#endif
-*/
-
-    return VbeModeInfoBlock->physbase;   
-
-}
-
-void PutPixel(int x,int y, int color){
-
-    //do not write memory outside the screen buffer, check parameters against the VBE mode info
-    if (x<0 || x>VbeModeInfoBlock->Xres|| y<0 || y>VbeModeInfoBlock->Yres) return;
-    if (x) x = (x*(VbeModeInfoBlock->bpp>>3)); // get bytes (divide by 8)
-    if (y) y = (y*VbeModeInfoBlock->pitch);
-    uint8_t *cTemp=VbeModeInfoBlock->physbase;
-
-    cTemp[x+y] =  (uint8_t)(color & 0xff);
-    cTemp[x+y+1] = (uint8_t)((color>>8) & 0xff);
-    //cTemp[x+y+2] = (uint8_t)((color>>16) & 0xff);
- }
-
-
-void PutFont(char c, int x,int y, int color)
-{
-
-    int fnt=0x126-0x20;
-
-    if(c>=0x20&&c<=0x126)fnt=c-0x20;
-
-    int posx, posy, sizex=8, sizey=10;
-
-    for(posx=x;posx<x+sizex;posx++)
-    {
-
-	for(posy=y;posy<y+sizey;posy++)
-	{
-	    if(deffont[fnt].line[posy-y]&1<<(7-(posx-x)))
-	    {
-		PutPixel(posx,posy,color);
-	    }
-	    else
-	    {
-		PutPixel(posx,posy,0);
-	    }
-
-	}
-    }
-
-}
-
-void PutString(char *str, int x,int y, int color, va_list va)
-{
-
-    char buff[256];
-    tfp_sprintf(buff,str,va);
-    str=buff;
-
-    int i=x;
-    while((*str)!=0)
-    {
-	PutFont(*str, i,y, color);
-	i+=9; // spacing 
-	str++;
-    }
-
-}
-
-void PutConsoleChar(char c, int color)
-{
-	if(c=='\n')
-	{
-	    PutConsoleNL();
-	    return;
-	}
-	PutFont(c, console_x*10,console_y*12, color);
-	console_x++;
-
-
-	#ifdef FOOLOS_CONSOLE_AUTOBREAK
-	if(console_x>=console_cols)PutConsoleNL();
-	#endif
-}
-
-void PutConsole(char *str, int color)
-{
-
-    while((*str)!=0)
-    {
-	PutConsoleChar(*str,color);
-	str++;
-    }
-
-}
-void PutConsoleNL()
-{
-    console_x=0;
-    console_y++;
-    if(console_y>=console_lines-5)console_y=0;
-
-    for(int i=0;i<console_cols;i++)
-    {
-	PutFont(' ',i*10,(console_y)*12,0);
-    }
-}
-
-static int boxx;
-static int boxy;
-////////////////
-void vesa_render()
-{
-    vesa_clear_screen();
-    vesa_put_rect(100,100,VbeModeInfoBlock->Xres-200,VbeModeInfoBlock->Yres-200,0xff);
-    vesa_put_rect(boxx-10,boxy-10,20,20,0x999999);
-
-    boxx++;
-//    boxy+=boxx;
-    if(boxx>VbeModeInfoBlock->Xres-100)boxx=100;
-  //  if(boxy>VbeModeInfoBlock->Yres-200)boxy=200;
-
-
-    vesa_switch_buffers();
-}
-
-void vesa_init_doublebuff()
-{
-    boxx=300;
-    boxy=300;
-
-    int blocks=800*600*2/4096+1;
-    physbase=VbeModeInfoBlock->physbase;
-    buffer=pmmngr_alloc_blocks(blocks);
-    log(FOOLOS_MODULE_NAME,FOOLOS_LOG_INFO,"Init buffer of %d blocks at 0x%08X",blocks,buffer);
-
-    VbeModeInfoBlock->physbase=buffer;
-}
-
-
-
-- 
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