feat: mode vesa balbutiant, mauvaise gestion RGB ajout de modules dans GRUB non uefi

include/multiboot2.h

@@ -3,6 +3,9 @@
 /*                                                                             */
 #include "types.h"
      
+#ifndef MULTIBOOT
+# define ALLTYMULTIBOOTPES
+
      /*  How many bytes from the start of the file we search for the header. */
      #define MULTIBOOT_SEARCH                        32768
      #define MULTIBOOT_HEADER_ALIGN                  8
@@ -387,5 +390,7 @@
      };
 
 void getbootinfo(void);
+u32 getblockinfo(void);
 void initmultiboot(const u32 addr);
      
+#endif

include/video.h

@@ -69,7 +69,6 @@ typedef struct capabilities {
     bool    graphic;
     u8      depth;
     u8      refresh;
-    u8      fonttype;
 } capabilities __attribute__ ((packed));
 
 typedef struct console {
@@ -125,7 +124,6 @@ void apply_bestdriver(void);
 void apply_nextdriver(void);
 void apply_driver(u8* name);
 void apply_nextvideomode(void);
-void initvideo(void);
 
 /* Fonctions du pilote */
 u8 *(*detect_hardware) (void);

lib/multiboot.c

@@ -14,6 +14,14 @@ void initmultiboot(const u32 addr)
     infobloc=addr;
 }
 
+/*******************************************************************************/
+/* Renvoie l'adresse du bloc multiboot2 */
+
+u32 getblockinfo(void)
+{
+    return infobloc;
+}
+
 /*******************************************************************************/
 /* Affiche les informations multiboot2 */
 

lib/shell.c

@@ -394,17 +394,17 @@ int rebootnow()
 
 int test2d()
 {
-	setvideo_mode(0x87);
+	changemode(0x83);
-	fill(0x00);
+    videoinfos *vinfo=getvideo_info();
 	struct vertex2d a, b, c;
 	randomize();
-	for (int i = 0; i < 3200; i++) {
+	for (int i = 0; i < 3000; i++) {
-		a.x = random(0, 800);
+		a.x = random(0, vinfo->currentwidth);
-		a.y = random(0, 600);
+		a.y = random(0, vinfo->currentheight);
-		b.x = random(0, 800);
+		b.x = random(0, vinfo->currentwidth);
-		b.y = random(0, 600);
+		b.y = random(0, vinfo->currentheight);
-		c.x = random(0, 800);
+		c.x = random(0, vinfo->currentwidth);
-		c.y = random(0, 600);
+		c.y = random(0, vinfo->currentheight);
 		trianglefilled(&a, &b, &c, random(0, 16));
 		triangle(&a, &b, &c, 2);
 	}

lib/vesa.c

@@ -6,6 +6,7 @@
 #include "memory.h"
 #include "asm.h"
 #include "types.h"
+#include "multiboot2.h"
 
 static videoinfos infos;
 
@@ -13,10 +14,49 @@ static capabilities vesacapabilities[] = {
     {0xFF,000,000,false, 0,  0},
 };
 
+
 /*******************************************************************************/
 /* Detecte si le hardware est disponible, return NULL ou pointeur sur le type de pilote */
 u8 *VESA_detect_hardware(void) {
+    u32 addr=getblockinfo();
+    struct multiboot_tag *tag;
+    unsigned size = *(unsigned *) addr;
+    for (tag = (struct multiboot_tag *) (addr + 8);
+            tag->type != MULTIBOOT_TAG_TYPE_END;
+            tag = (struct multiboot_tag *) ((u8 *) tag + ((tag->size + 7) & ~7)))
+            {
+           switch (tag->type)
+             {
+             case MULTIBOOT_TAG_TYPE_FRAMEBUFFER:
+               {
+                 struct multiboot_tag_framebuffer *tagfb = (struct multiboot_tag_framebuffer *) tag;
+     
+                 switch (tagfb->common.framebuffer_type)
+                   {
+                   case MULTIBOOT_FRAMEBUFFER_TYPE_RGB:
+                     vesacapabilities[0].modenumber=0x0;
+                     vesacapabilities[0].width=tagfb->common.framebuffer_width;
+                     vesacapabilities[0].height=tagfb->common.framebuffer_height;
+                     vesacapabilities[0].graphic=true;
+                     vesacapabilities[0].depth=tagfb->common.framebuffer_bpp;
+                     vesacapabilities[0].refresh=0x0;
+                     infos.baseaddress=tagfb->common.framebuffer_addr;
+                     infos.currentpitch=tagfb->common.framebuffer_pitch;
                      return "LEGACY";
+                     break;
+
+                    default:
+                   case MULTIBOOT_FRAMEBUFFER_TYPE_INDEXED:
+                   case MULTIBOOT_FRAMEBUFFER_TYPE_EGA_TEXT:
+                     return NULL;
+                     break;
+                   }
+     
+                 break;
+               }
+     
+             }
+        }
 }
 
 /*******************************************************************************/
@@ -28,7 +68,23 @@ static u8 realsize;
 
 u8 VESA_setvideo_mode(u8 mode)
 {
-   
+    if (mode>0) return 1;
+    infos.currentmode=mode;
+    infos.currentwidth=vesacapabilities[0].width;
+    infos.currentheight=vesacapabilities[0].height;
+    infos.currentdepth=vesacapabilities[0].depth;
+    infos.currentactivepage=0;
+    infos.currentshowedpage=0;
+    infos.currentcursorX=0;
+    infos.currentcursorY=0;
+    infos.currentfont1=0;
+    infos.currentfont2=0;
+    infos.isgraphic=vesacapabilities[0].graphic;
+    infos.isblinking=false;
+    infos.iscursorvisible=false;
+    infos.pagesnumber=1;
+    infos.pagesize=infos.currentheight*infos.currentpitch;
+   return;
 }
 
 /*******************************************************************************/
@@ -53,7 +109,21 @@ videoinfos *VESA_getvideo_info (void) {
 /*******************************************************************************/
 /* Effecture un mouvement de la mémoire centrale vers la mémoire video (linéarisée) */
 u32 VESA_mem_to_video (void *src,u32 dst, u32 size, bool increment_src) {
+   u32 realdst=infos.baseaddress + infos.currentactivepage * infos.pagesize+dst;
+   switch (infos.currentdepth) {
+        case 32:
+          if (!increment_src)
+          {
+              u32 pattern = (u32) src;
+              stosb(pattern,realdst,size);  
+            }
+         else
+            {
 
+
+           }   
+        break;
+    }
 }
 
 /*******************************************************************************/
@@ -67,7 +137,13 @@ u32 VESA_video_to_mem (u32 src,void *dst, u32 size)
 /* Effecture un mouvement de la mémoire video (linéarisé) vers la mémoire vidéo (linéarisée) */
 u32 VESA_video_to_video (u32 src,u32 dst, u32 size) 
 {
- 
+     u32 realsrc=infos.baseaddress + infos.currentactivepage * infos.pagesize+src;
+    u32 realdst=infos.baseaddress + infos.currentactivepage * infos.pagesize+dst;
+   switch (infos.currentdepth) {
+        case 32:
+               movsd(realsrc,realdst,size>>2);  
+        break;
+    }
 }
 
 /*******************************************************************************/
@@ -75,7 +151,7 @@ u32 VESA_video_to_video (u32 src,u32 dst, u32 size)
 
 void VESA_page_set(u8 page)
 {
-
+    return;
 }
 
 /*******************************************************************************/
@@ -83,7 +159,7 @@ void VESA_page_set(u8 page)
 
 void VESA_page_show(u8 page)
 {
-	
+    return;
 }
 
 /*******************************************************************************/
@@ -91,7 +167,7 @@ void VESA_page_show(u8 page)
 
 void VESA_dummy(void)
 {
-  
+    return;
 }
 
 /*******************************************************************************/

lib/vga.c

@@ -202,6 +202,20 @@ u32 VGA_mem_to_video (void *src,u32 dst, u32 size, bool increment_src) {
                 stosb(pattern,realdst,size);        
             } 
         }
+        else {
+        if (size%4 == 0) 
+            {
+                movsd(src,realdst,size>>2); 
+            }            
+            else if (size%2 == 0)
+            {
+                movsw(src,realdst,size>>1);       
+            }
+            else
+            {
+                movsb(src,realdst,size);        
+            }  
+            }
         break;
     case 9:
     

lib/video.c

@@ -1,8 +1,6 @@
 /*******************************************************************************/
 /* COS2000 - Compatible Operating System - LGPL v3 - Hordé Nicolas             */
 /*                                                                             */
-#include "vga.h"
-#include "vesa.h"
 #include "asm.h"
 #include "video.h"
 #include "stdarg.h"
@@ -870,8 +868,11 @@ void registerdriver(videofonction *pointer)
     i=0;
     while (registred[i].nom!=NULL && i<MAXDRIVERS) 
         i++;
+    if (pointer->detect_hardware()!=NULL)
+    {
         registred[i].pointer=pointer;
         registred[i].nom=pointer->getvideo_drivername();
+    }
 }
 /*******************************************************************************/
 /* Choisi le meilleur driver en terme d'affichage */
@@ -970,18 +971,6 @@ void apply_nextvideomode(void) {
     }
 }
 
-/*******************************************************************************/
-/* Initialise la video */
-
-void initvideo(void)
-{
-    initdriver();
-    registerdriver(&vgafonctions);
-    registerdriver(&vesafonctions);
-    apply_driver("VGA");
-    changemode(0x01);
-}
-
 /******************************************************************************/
 /* Rempli l'écran avec un attribut donné et des espaces vides */
 
@@ -1048,6 +1037,7 @@ void scroll_disable(void)
 void showchar(u16 coordx, u16 coordy, u8 thechar, u8 attrib) 
 {
 	u8 x, y, pattern, set;
+    u32 color;
     if (!vinfo->isgraphic)
     {
         u32 addr=(coordx<<1)+vinfo->currentpitch*coordy;
@@ -1063,15 +1053,24 @@ void showchar(u16 coordx, u16 coordy, u8 thechar, u8 attrib)
             {
                 set = pattern & 0x1;
 			    if (set == 0)
-				    writepxl((coordx<<3) + x, (coordy<<3) + y, ((attrib & 0xF0) >> 8));
+                    if (vinfo->currentdepth>24)
+                        color = 0xFFFFFF;
                     else
-				    writepxl((coordx<<3) + x, (coordy<<3) + y, (attrib & 0x0F) );
+                        color = ((attrib & 0xF0) >> 8);
+			    else
+				    if (vinfo->currentdepth>24)
+                        color = 0;
+                    else
+                        color = (attrib & 0x0F);
+                writepxl((coordx<<3) + x, (coordy<<3) + y, color);
                 rol(pattern);
             }
 		}
 	}
 }
 
+                 
+
 /******************************************************************************/
 /* Retourne le caractère du mode texte aux coordonnées spécifiées */
 
@@ -1107,10 +1106,13 @@ u8 getattrib (u16 coordx, u16 coordy)
 
 void hline(u32 x1, u32 x2, u32 y, u8 color)
 {
+    if (vinfo->isgraphic)
+    {
 	    if (x2 > x1)
-        mem_to_video(color,x1,x2-x1,false);
+            mem_to_video(color,x1+vinfo->currentpitch*y,x2-x1,false);
         else
-        mem_to_video(color,x2,x2-x1,false);       
+            mem_to_video(color,x2+vinfo->currentpitch*y,x1-x2,false);
+    }  
 }
 
 
@@ -1118,7 +1120,10 @@ void hline(u32 x1, u32 x2, u32 y, u8 color)
 /* Affiche un pixel à l'écran */
 void writepxl (u16 x, u16 y, u32 color)
 {
-        u32 addr=x+vinfo->currentpitch*y;
+    if (vinfo->isgraphic)
+    {
+        u32 addr=(vinfo->currentdepth>>3)*x+vinfo->currentpitch*y;
         mem_to_video(color,addr,1,false);
+    }
 }
 

makefile

@@ -61,6 +61,8 @@ redebug: littleclean debug-system
 
 debug64: debug-system64
 
+redebug64: littleclean debug-system64
+
 debug-boot: bits32 harddisk qemu-debug
 	(sleep 2;cgdb -x ./debug/boot.txt)
 

system/multiboot.asm

@@ -13,7 +13,7 @@ SECTION .multiboot
 
 %define MULTIBOOT_HEADER_TAG_CONSOLE_FLAGS 4
 
-%define MULTIBOOT_TAG_TYPE_FRAMEBUFFER 8
+%define MULTIBOOT_HEADER_TAG_FRAMEBUFFER 5
 
 %define MULTIBOOT_HEADER_TAG_END 0
 
@@ -28,25 +28,14 @@ align MULTIBOOT_TAG_ALIGN
     dd multiboot_header_end - multiboot_header
     dd -(MULTIBOOT2_HEADER_MAGIC + MULTIBOOT_ARCHITECTURE_I386 + (multiboot_header_end - multiboot_header))
 align MULTIBOOT_TAG_ALIGN
-%if arch = "bitsd32"
-%warning "Avec la console VGA/EGA." 
-console_tag_start:
-    dw MULTIBOOT_HEADER_TAG_CONSOLE_FLAGS ; type
-    dw MULTIBOOT_HEADER_TAG_OPTIONAL    ; flags
-    dd console_tag_end - console_tag_start
-    dd MULTIBOOT_CONSOLE_FLAGS_EGA_TEXT_SUPPORTED                             
-console_tag_end:
-%else
-align MULTIBOOT_TAG_ALIGN
 framebuffer_tag_start:
 %warning "Avec le FRAMEBUFFER VESA." 
-    dw MULTIBOOT_TAG_TYPE_FRAMEBUFFER ; type
+    dw MULTIBOOT_HEADER_TAG_FRAMEBUFFER ; type
     dw MULTIBOOT_HEADER_TAG_OPTIONAL    ; flags
     dd framebuffer_tag_end - framebuffer_tag_start
     dd 1024                            ; width
     dd 768                             ; height
     dd 32                              ; depth
-%endif
 align MULTIBOOT_TAG_ALIGN
 framebuffer_tag_end: 
     dw MULTIBOOT_HEADER_TAG_END

system/system.c

@@ -2,6 +2,7 @@
 /* COS2000 - Compatible Operating System - LGPL v3 - Hordé Nicolas             */
 /*                                                                             */
 #include "vga.h"
+#include "vesa.h"
 #include "video.h"
 #include "interrupts.h"
 #include "timer.h"
@@ -46,25 +47,20 @@ void error()
 int main(u32 magic, u32 addr)
 {
 	cli();
-    initvideo();
+	if (magic == MULTIBOOT2_BOOTLOADER_MAGIC) initmultiboot(addr);
-	/*  Efface l'ecran   */
+    initdriver();
+    registerdriver(&vgafonctions);
+    registerdriver(&vesafonctions);
+    apply_bestdriver();
+    changemode(0x0);
 
-	print("\033[2J\000");
+	/*  Efface l'ecran   */
-	if (getwidth()>40) print(ansilogo);
+	print("\033[2J\r\n\000");
+	if (getwidth()==80) print(ansilogo);
 
 	print("\033[37m\033[0m -Chargement noyaux");
 	ok();
 
-	printf("\033[37m\033[0m -Nombre magique multiboot2 : %X",
-	       (u32) magic);
-	if (magic == MULTIBOOT2_BOOTLOADER_MAGIC)
-{
-        initmultiboot(addr);
-		ok();
- }
-	else
-		error();
-
 	print("\033[37m\033[0m -Initilisation de la memoire (GDT)");
 	initgdt(&&next);
  next:
@@ -75,7 +71,7 @@ int main(u32 magic, u32 addr)
 	ok();
 
     print("\033[37m\033[0m -Initilisation de la pagination (PAGING)");
-	initpaging();
+	//initpaging();
 	ok();
 
 	print("\033[37m\033[0m -Initilisation des interruptions (IDT/PIC)");