perso
/
cos2000v2
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

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

This commit is contained in:
Nicolas Hordé 2018-10-13 17:17:40 +02:00
parent 26faaf8713
commit c179f61bff
11 changed files with 186 additions and 93 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

BIN
final/harddisk.img.xz
View File

Binary file not shown.

5
include/multiboot2.h
View File

@ -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

2
include/video.h
View File

@ -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);

8
lib/multiboot.c
View File

@ -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 */

18
lib/shell.c
View File

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

86
lib/vesa.c
View File

@ -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;
}
/*******************************************************************************/

14
lib/vga.c
View File

@ -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:

43
lib/video.c
View File

@ -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"
@ -870,9 +868,12 @@ 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 */
void apply_bestdriver(void) {
@ -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 */
@ -1106,11 +1105,14 @@ u8 getattrib (u16 coordx, u16 coordy)
/* Affiche une ligne horizontale entre les points spécifiés */
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);
}
}

2
makefile
View File

@ -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)

15
system/multiboot.asm
View File

@ -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

26
system/system.c
View File

@ -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();
/* Efface l'ecran */
if (magic == MULTIBOOT2_BOOTLOADER_MAGIC) initmultiboot(addr);
initdriver();
registerdriver(&vgafonctions);
registerdriver(&vesafonctions);
apply_bestdriver();
changemode(0x0);
print("\033[2J\000");
if (getwidth()>40) print(ansilogo);
/* Efface l'ecran */
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)");