654 lines
19 KiB
C
654 lines
19 KiB
C
/*******************************************************************************/
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/* COS2000 - Compatible Operating System - LGPL v3 - Hordé Nicolas */
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/* */
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#include "vga.h"
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#include "3d.h"
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#include "matrix.h"
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#include "video.h"
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#include "interrupts.h"
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#include "asm.h"
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#include "cpu.h"
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#include "string.h"
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#include "gdt.h"
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#include "shell.h"
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#include "multiboot2.h"
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#include "math.h"
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#include "debug.h"
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#include "VGA/ansi.c"
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#include "3D/sphere.c"
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#include "3D/man.c"
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#include "memory.h"
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static command commands[] = {
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{"reboot" , "", &rebootnow},
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{"clear" , "", &clear},
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{"mode" , "", &mode},
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{"detectcpu" , "", &detectcpu},
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{"test2d" , "", &test2d},
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{"regs" , "", ®s},
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{"gdt" , "", &readgdt},
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{"idt" , "", &readidt},
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{"info" , "", &info},
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{"err" , "", &err},
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{"test" , "", &test},
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{"view" , "", &view},
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{"disasm" , "", &disas},
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{"bpset" , "", &bpset},
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{"bpclr" , "", &bpclr},
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{"help" , "", &help},
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{"logo" , "", &logo},
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{"font" , "", &sfont},
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{"test3d" , "", &test3d},
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{"detectpci" , "", &detectpci},
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{"mem" , "", &mem},
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};
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/*******************************************************************************/
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/* Shell, traite les commandes */
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void shell()
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{
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static u8 field[] =
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" \000";
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static u8 item[] = " \000";
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int i;
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bool found;
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while (true) {
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print("\r\n# ");
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getstring(&field);
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print("\r\n");
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if (strgetnbitems(&field, ' ') < 1)
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continue;
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strgetitem(&field, &item, ' ', 0);
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strtolower(&item);
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found = false;
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for (i = 0; i < sizeof(commands)/sizeof(commands[0]); i++) {
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if (strcmp(&item, &commands[i].name) == 0) {
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(*commands[i].function) (&field);
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found = true;
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break;
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}
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}
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if (!found)
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printf("Commande inconnue !\r\n\000");
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}
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}
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int test(void)
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{
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print("Fonction de test !\r\n");
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return;
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}
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/*******************************************************************************/
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/* Affiche des informations sur la mémoire */
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int mem()
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{
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u32 libre=getmemoryfree();
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u32 total=physical_getmemorysize();
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printf("Memoire physique (TOTAL)\r\n -libre \33[40D\33[15C%H\r\n -occupee \33[40D\33[15C%H\r\n -total \33[40D\33[15C%H\r\n\r\n",libre,total-libre,total);
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printf("Memoire HEAP (NOYAU) - % u blocs\r\n -libre \33[40D\33[15C%H\r\n -occupee \33[40D\33[15C%H\r\n -allouables \33[40D\33[15C%H\r\n\r\n",getmallocnb(),getmallocfree(),getmallocused(),getmallocnonallocated());
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printf("Plan de memoire (NOYAU)\r\n -IDT \33[40D\33[15C%X\r\n -GDT \33[40D\33[15C%X\r\n -PGD \33[40D\33[15C%X\r\n -STACK \33[40D\33[15C%X\r\n -CODE \33[40D\33[15C%X\r\n -PAGES \33[40D\33[15C%X\r\n -HEAP \33[40D\33[15C%X\r\n -VESAFB \33[40D\33[15C%X\r\n\r\n",IDT_ADDR,GDT_ADDR,KERNEL_PD_ADDR,KERNEL_STACK_ADDR,KERNEL_CODE_ADDR,KERNEL_PAGES,KERNEL_HEAP,VESA_FBMEM);
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printf("Memoire Virtuelle (NOYAU)\r\n -pages libres \33[40D\33[16C% u\r\n -pages occupees \33[40D\33[16C% u\r\n",virtual_getpagesfree(),virtual_getpagesused());
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return;
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}
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/*******************************************************************************/
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/* Affiche les périphériques PCI */
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int detectpci()
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{
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scanPCI();
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}
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/*******************************************************************************/
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/* Change la police courante */
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int sfont(u8* commandline)
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{
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if (strgetnbitems(commandline, ' ') < 2)
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{
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print("Syntaxe de la commande FONT\r\nfont \33[32mpolice\r\n\r\n \33[32mpolice\33[0m\33[0m\33[25D\33[10C - \33[Nom de la police de caractere\r\n");
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return;
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}
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setfont(strgetpointeritem(commandline, ' ', 1));
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}
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/*******************************************************************************/
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/* Affiche le logo */
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int logo()
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{
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print(ansilogo);
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return;
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}
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/*******************************************************************************/
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/* Renvoie les commandes disponibles */
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int help()
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{
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print("Commandes disponibles :\r\n\r\n");
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for(u32 i=0;i<sizeof(commands)/sizeof(commands[0]);i++) {
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printf("%s \r\n",&commands[i].name);
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}
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return 0;
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}
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/*******************************************************************************/
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/* Met un breakpoint */
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int bpset(u8* commandline)
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{
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u8 arg[] = " \000";
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u8* numero;
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u8* pointer;
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u8 type=DBG_EXEC;
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if (strgetnbitems(commandline, ' ') < 3)
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{
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print("Syntaxe de la commande BPSET\r\nbpset \33[32mnumero address [type]\r\n\r\n \33[32mnumero\33[0m\33[0m\33[25D\33[10C - numero du breakpoint (0-3)\r\n \33[32madresse\33[0m\33[25D\33[10C - adresse du breakpoint\r\n \33[32mtype\33[0m\33[25D\33[10C - type de breakpoint (0-3)\r\n");
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return;
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}
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strgetitem(commandline, &arg, ' ', 1);
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numero=strtoint(&arg);
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if (numero>3) {
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print("numero incorrect");
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return;
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}
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strgetitem(commandline, &arg, ' ', 2);
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pointer=strtoint(&arg);
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if (strgetnbitems(commandline, ' ') == 4)
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{
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strgetitem(commandline, &arg, ' ', 3);
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type=strtoint(&arg);
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}
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if (type>DBG_READWRITE)
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{
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print("type incorrect");
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return;
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}
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setdebugreg(numero,pointer,type);
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}
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/*******************************************************************************/
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/* Retire un breakpoint */
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int bpclr(u8* commandline)
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{
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u8 arg[] = " \000";
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u8* numero;
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if (strgetnbitems(commandline, ' ') < 2)
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{
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print("Syntaxe de la commande BPCLR\r\nbpclr \33[32mnumero\r\n\r\n \33[32mnumero\33[0m\33[0m\33[25D\33[10C - numero du breakpoint (0-3)\r\n");
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return;
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}
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strgetitem(commandline, &arg, ' ', 1);
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numero=strtoint(&arg);
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if (numero>3) {
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print("numero incorrect");
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return;
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}
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setdebugreg(numero,0x0,DBG_CLEAR);
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}
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/*******************************************************************************/
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/* Desassemble une zone de mémoire donnée */
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int disas(u8* commandline)
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{
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u8 arg[] = " \000";
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u8* size;
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u8* pointer;
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if (strgetnbitems(commandline, ' ') < 3)
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{
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print("Syntaxe de la commande DISASM\r\ndisasm \33[32madresse taille\r\n\r\n \33[32madresse\33[0m\33[0m\33[25D\33[10C - Adresse a visualiser\r\n \33[32mtaille\33[0m\33[25D\33[10C - nombre d'octets a desassembler <256\r\n");
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return;
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}
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strgetitem(commandline, &arg, ' ', 1);
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pointer=strtoint(&arg);
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size=pointer;
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strgetitem(commandline, &arg, ' ', 2);
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size+=strtoint(&arg);
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while(pointer<size)
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{
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pointer+=disasm(pointer, NULL, true);
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}
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}
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/*******************************************************************************/
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/* Génère des exceptions */
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int view(u8* commandline)
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{
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u8 arg[] = " \000";
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u32 address;
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u8 size;
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u8* pointerb;
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u16* pointerw;
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u32* pointerd;
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u8 format;
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u8 nbligne;
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if (strgetnbitems(commandline, ' ') < 3)
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{
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print("Syntaxe de la commande VIEW\r\nview \33[32madresse taille [size] [nbligne]\r\n\r\n \33[32madresse\33[0m\33[0m\33[25D\33[10C - Adresse a visualiser\r\n \33[32mtaille\33[0m\33[25D\33[10C - nombre d'octets a visualiser <256\r\n \33[32mformat\33[0m\33[25D\33[10C - c (ascii) b (octet) w (mot) d (double mot)\r\n \33[32mnbligne\33[0m\33[25D\33[10C - nombre d'octets a visualiser par ligne\r\n");
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return;
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}
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strgetitem(commandline, &arg, ' ', 1);
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address=strtoint(&arg);
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strgetitem(commandline, &arg, ' ', 2);
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size=strtoint(&arg);
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if (strgetnbitems(commandline, ' ') < 4)
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format='b';
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else {
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strgetitem(commandline, &arg, ' ', 3);
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format=arg[0];
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}
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switch (format) {
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case 'c':
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pointerb=address;
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nbligne=12;
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break;
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case 'b':
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pointerb=address;
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nbligne=22;
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break;
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case 'w':
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pointerw=address;
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nbligne=13;
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break;
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case 'd':
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pointerd=address;
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nbligne=7;
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break;
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}
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if (strgetnbitems(commandline, ' ') == 5)
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{
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strgetitem(commandline, &arg, ' ', 4);
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nbligne=strtoint(&arg);
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}
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printf("Adresse %Y - % hhu",address,size);
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for(u32 i=0;i<size;i++)
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switch (format) {
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case 'c':
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if (i%nbligne==0)
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printf("\r\n:%Y - ",pointerb);
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printf("%hhY \33[40C%c\33[41D",*(pointerb),*(pointerb++));
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break;
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case 'b':
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if (i%nbligne==0)
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printf("\r\n:%Y - ",pointerb);
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printf("%hhY ",*(pointerb++));
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break;
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case 'w':
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if (i%nbligne==0)
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printf("\r\n:%Y - ",pointerw);
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printf("%hY ",*(pointerw++));
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break;
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case 'd':
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if (i%nbligne==0)
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printf("\r\n:%Y - ",pointerd);
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printf("%Y ",*(pointerd++));
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break;
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}
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}
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/*******************************************************************************/
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/* Génère des exceptions */
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int err(u8* commandline)
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{
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u8 arg[] = " \000";
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u32 argint;
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if (strgetnbitems(commandline, ' ') < 2)
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{
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print("Syntaxe de la commande ERR\r\nerr \33[32mexception\r\n\r\n exception\33[0m\33[25D\33[10C - code de l'exception\r\n");
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return;
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}
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strgetitem(commandline, &arg, ' ', 1);
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argint=strtoint(&arg);
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switch (argint)
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{
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case 0:
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print("Creation d'une erreur de division par 0 !\r\n");
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asm("movl $0x0,%ecx; divl %ecx");
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break;
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case 1:
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print("Creation d'un breakpoint !\r\n");
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setdebugreg(0,&test, DBG_EXEC);
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test();
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break;
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case 2:
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print("NON GERE!\r\n");
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break;
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case 3:
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print("Creation d'une erreur interruption 3 !\r\n");
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asm("int $0x3");
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break;
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case 4:
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print("NON GERE!\r\n");
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break;
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case 5:
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print("NON GERE!\r\n");
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break;
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case 6:
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print("Creation d'une erreur d'opcode invalide !\r\n");
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asm("mov %cr7, %eax");
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break;
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case 7:
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print("NON GERE!\r\n");
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break;
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case 8:
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print("NON GERE!\r\n");
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break;
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case 9:
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print("NON GERE!\r\n");
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break;
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case 10:
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print("NON GERE!\r\n");
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break;
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case 11:
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print("Creation d'une erreur segment non present !\r\n");
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setidt(&err, SEL_KERNEL_CODE, INTGATE, 104);
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asm("int $0x68");
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break;
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case 12:
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print("NON GERE!\r\n");
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break;
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case 13:
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print("Creation d'une erreur general fault !\r\n");
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asm("mov $0x666, %ax; ltr %ax");
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break;
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case 14:
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if (random(0, 100)>50) {
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print("Creation d'une erreur de page en ecriture !\r\n");
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asm("movl $0x66666666,(0xE0000000)");
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}
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else {
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print("Creation d'une erreur de page en lecture !\r\n");
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asm("movl (0xD0000000),%eax");
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}
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break;
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case 15:
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print("NON GERE!\r\n");
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break;
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case 16:
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print("NON GERE!\r\n");
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break;
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case 17:
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print("NON GERE!\r\n");
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break;
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case 18:
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print("NON GERE!\r\n");
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break;
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default:
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print("Exception qui n'existe pas !!!\r\n");
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break;
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}
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return 0;
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}
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/*******************************************************************************/
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/* Information sur le démarrage */
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int info()
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{
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getgrubinfo_all();
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return 0;
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}
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/*******************************************************************************/
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/* Affiche les registres */
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int regs()
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{
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save_stack dump;
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show_cpu(&dump);
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return 0;
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}
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/*******************************************************************************/
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/* Change le mode */
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int mode(u8* commandline)
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{
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u8 arg[] = " \000";
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u32 argint;
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if (strgetnbitems(commandline, ' ') < 2)
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{
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print("Syntaxe de la commande MODE\r\nmode \33[32mmodevideo\r\n\r\n modevideo\33[0m\33[25D\33[10C - mode video a initialiser (>0x80 = graphique)\r\n");
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return;
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}
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strgetitem(commandline, &arg, ' ', 1);
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argint=strtoint(&arg);
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changemode(argint);
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return 0;
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}
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/*******************************************************************************/
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/* Efface l'écran */
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int clear()
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{
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clearscreen();
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return 0;
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}
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/*******************************************************************************/
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/* Redemarre */
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int rebootnow()
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{
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print("<Appuyer sur une touche pour redemarrer>");
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waitascii();
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reboot();
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return 0;
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}
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/*******************************************************************************/
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/* Teste les fonctionnalités 3D */
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int test3d()
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{
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videoinfos *vinfo=getvideo_info();
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if (!vinfo->isgraphic) {
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print("Mode graphique necessaire afin de lancer ce programme\r\n");
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return 1;
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}
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model3d model;
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float factor=100.0f;
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type3D type=TYPE3D_POINTS;
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matrix44 rotatex,rotatey,rotatez,mrotatex,mrotatey,mrotatez,identity;
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matrix44_homogen(&identity);
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matrix44_rotation_x(0.1f, &rotatex);
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matrix44_rotation_y(0.1f, &rotatey);
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matrix44_rotation_z(0.1f, &rotatez);
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matrix44_rotation_x(-0.1f, &mrotatex);
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matrix44_rotation_y(-0.1f, &mrotatey);
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matrix44_rotation_z(-0.1f, &mrotatez);
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matrix44* transformation=&identity;
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vector4 origin={0.0f,0.0f,0.0f,0.0f};
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vector4 cubeorigin={0.0f,0.0f,0.0f,0.0f};
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origin.x=vinfo->currentwidth/2.0f;
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origin.y=vinfo->currentheight/2.0f;
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origin.z=70.0f;
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cube(&model, &cubeorigin, 35.0f);
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u8 achar=' ';
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u8 i;
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while(achar!='q' && achar!='Q')
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{
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clearscreen();
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show3dmodel(&model, transformation, &origin, factor, type);
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achar=waitascii();
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switch(achar) {
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case '1':
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load3ds(&man, sizeof(man), &model);
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break;
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case '2':
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load3ds(&sphere, sizeof(sphere), &model);
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break;
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case 17:
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transformation=&rotatex;
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break;
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case 18:
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transformation=&mrotatex;
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break;
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case 19:
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transformation=&rotatey;
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break;
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case 20:
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transformation=&mrotatey;
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break;
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case 2:
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transformation=&rotatez;
|
|
break;
|
|
case 3:
|
|
transformation=&mrotatez;
|
|
break;
|
|
case '-':
|
|
factor-=10.0;
|
|
break;
|
|
case '+':
|
|
factor+=10.0;
|
|
break;
|
|
case '*':
|
|
switch(type) {
|
|
case TYPE3D_POINTS:
|
|
type=TYPE3D_LINES;
|
|
break;
|
|
case TYPE3D_LINES:
|
|
type=TYPE3D_POINTS;
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*******************************************************************************/
|
|
/* Teste les fonctionnalités 2D graphiques */
|
|
|
|
int test2d()
|
|
{
|
|
videoinfos *vinfo=getvideo_info();
|
|
if (!vinfo->isgraphic) {
|
|
print("Mode graphique necessaire afin de lancer ce programme\r\n");
|
|
return 1;
|
|
}
|
|
struct vertex2d a, b, c;
|
|
randomize();
|
|
u32 color;
|
|
for (int i = 0; i < 2000; 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);
|
|
if (vinfo->currentdepth>24)
|
|
color=egatorgb(random(0,16));
|
|
else if (vinfo->currentdepth==8)
|
|
color=random(0,63);
|
|
else
|
|
color=random(0,16);
|
|
v_line(&a,&b,color);
|
|
}
|
|
waitascii();
|
|
for (int i = 0; i < 2000; 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);
|
|
if (vinfo->currentdepth>24)
|
|
color=egatorgb(random(0,16));
|
|
else if (vinfo->currentdepth==8)
|
|
color=random(0,63);
|
|
else
|
|
color=random(0,16);
|
|
trianglefilled(&a, &b, &c, color);
|
|
triangle(&a, &b, &c, egatorgb(4));
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*******************************************************************************/
|
|
/* Lit l'IDT et l'affiche */
|
|
|
|
int readidt()
|
|
{
|
|
u32 index, i = 0;
|
|
idtdes *desc;
|
|
struct idtr idtreg;
|
|
sidt(&idtreg);
|
|
printf("Information sur l'IDT\r\nAdresse:%X Limite:%hX\r\n", idtreg.base,
|
|
(u32) idtreg.limite);
|
|
desc = idtreg.base;
|
|
for (index = 0; index < idtreg.limite / sizeof(idtdes); index++) {
|
|
u32 select = desc[index].select;
|
|
u32 offset =
|
|
desc[index].offset0_15 + (desc[index].offset16_31 << 16);
|
|
u32 type = desc[index].type & 0x0F00;
|
|
u8 *typestr1, *typestr2;
|
|
if (i>=32 & i<=39)
|
|
typestr1="IRQ master";
|
|
else if (i>=96 & i<=103)
|
|
typestr1="IRQ slave ";
|
|
else if (i<19)
|
|
typestr1="EXCEPTION ";
|
|
else
|
|
typestr1="INTERRUPT ";
|
|
if (type == INTGATE)
|
|
typestr2="INTGATE";
|
|
else if (type == TRAPGATE)
|
|
typestr2="TRAPGATE";
|
|
else if (type == TASKGATE)
|
|
typestr2="TASKGATE";
|
|
else if (type == CALLGATE)
|
|
typestr2="CALLGATE";
|
|
else if (type == LDTDES)
|
|
typestr2="LDTDES";
|
|
else
|
|
print("inconnu");
|
|
printf("%s % hu %hY:%Y - %s\r\n", typestr1, i++, select, offset, typestr2);
|
|
|
|
if (i % 32 == 0) {
|
|
print("\r\n<Appuyez sur une touche>\r\n");
|
|
waitascii();
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*******************************************************************************/
|
|
/* Lit les descripteurs GDT et les affiche */
|
|
|
|
int readgdt()
|
|
{
|
|
u32 index;
|
|
struct gdtr gdtreg;
|
|
sgdt(&gdtreg);
|
|
printf("Information sur la GDT\r\nAdresse:%X Limite:%hX\r\n", gdtreg.base, gdtreg.limite);
|
|
for (index = 0; index < gdtreg.limite ; index+=sizeof(gdtdes)) {
|
|
if (!isdesvalid(index))
|
|
printf("\033[31m");
|
|
printf("SEL =%hY %Y %Y DPL=%d %cS%d [%c%c%c] %h ub\033[0m\r\n",index,getdesbase(index),getdeslimit(index),getdesdpl(index),getdestype(index),getdessize(index),getdesbit3(index),getdesbit2(index),getdesbit1(index),getdesalign(index));
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*******************************************************************************/
|
|
/* Detecte et affiche les information sur le CPU */
|
|
|
|
int detectcpu()
|
|
{
|
|
cpuinfo cpu;
|
|
u8 noproc[] = "\033[31mInconnu\033[0m\000";
|
|
strcpy(&noproc, &cpu.detectedname);
|
|
getcpuinfos(&cpu);
|
|
printf
|
|
("\r\nDetection du processeur\r\033[1m Revision \t:%d\r Modele \t:%d\r Famille \t:%d\r Nom cpuid\t:%s\rJeux d'instruction\t:%s\033[0m\r\n\000",
|
|
cpu.stepping, cpu.models, cpu.family, &cpu.detectedname,
|
|
&cpu.techs);
|
|
return 0;
|
|
}
|
|
|
|
/*******************************************************************************/
|