void info()
{
printf("\n:==========: :System info: :==========:\n\n");
// Kernel info
printf( "Version: '%s'\n"
"Patchlevel: '%s'\n"
"Extraversion: '%s'\n"
"Name: '%s'\n"
"Revision: '%s'\n",VERSION,PATCHLEVEL,EXTRAVERSION,NAME,REV_NUM);
// CPU Info
_kputs (LNG_CPU);
_kcolor (4);
_kgoto (61, _kgetline());
_kputs (cpu_vendor);
_kcolor(7);
printf("\n");
// Memory RAM Info
printf("Memory RAM: ");
_kgoto(60, _kgetline());
printf(" %d Kb\n", get_memsize()/1024);
// Memory free RAM Info
printf(LNG_FREERAM);
_kgoto(60, _kgetline());
printf(" %d Kb\n", get_numpages());
printf("\n");
// Bitmap Info
printf("Number bitmap's elements: ");
_kgoto(60, _kgetline());
printf(" %d", get_bmpelements());
_kgoto(60, _kgetline());
// Mem_area Info
printf("\nSize of mem_area: ");
_kgoto(60, _kgetline());
printf(" %d\n", sizeof(mem_area));
// Page Dir Info
printf("Page Dir Entry n.0 is: ");
_kgoto(60, _kgetline());
printf(" %d\n", get_pagedir_entry(0));
// Page Table Info
printf("Page Table Entry n.4 in Page dir 0 is: ");
_kgoto(60, _kgetline());
printf(" %d\n", get_pagetable_entry(0,4));
printf("\n:==========: :===========: :==========:\n\n");
}
void credits(void)
{
_kcolor('\011');
_kputs("DreamOS Credits\n\n");
_kputs("Main Developers:\n");
_kcolor('\012');
printf("Shainer - Lisa\n"
"Finarfin - Ivan\n\n\n"
);
_kcolor('\011');
_kputs("Contributors:\n");
_kcolor('\012');
_kputs("vinc94\n"
"tk0\n"
"Osiris\n"
"Celeron\n"
"Hamcha\n"
"m0nt0\n"
"and many others (3 or 4 :P)\n\n");
_kcolor('\007');
}
void credits(void)
{
_kcolor('\011');
_kputs("DreamOS Credits\n\n");
_kputs("Main Developers:\n");
_kcolor('\012');
printf( "Finarfin - Ivan (Founder)\n\n");
_kcolor('\011');
_kputs("Developers:\n");
_kcolor('\012');
_kputs("Osiris - Diego Stamigni \n\n");
_kcolor('\011');
_kputs("Contributors:\n");
_kcolor('\012');
_kputs("vinc94\n"
"tk0\n"
"DT\n"
"Celeron\n"
"Hamcha\n"
"m0nt0\n"
"shainer\n"
"and many others (3 or 4 :P)\n\n");
_kcolor('\007');
}
int main_loop(struct multiboot_info *boot_info)
{
_kclear();
syscall_init();
module_start = (char*) *((unsigned int*)boot_info->mods_addr);
module_end = *((unsigned int*)(boot_info->mods_addr+4));
_kcolor(BRIGHT_GREEN);
_kputs(DREAMOS_VER);
_kcolor(WHITE);
_kputs(LNG_SITE);
_kcolor(BRIGHT_BLUE);
_kputs(SITEURL);
_kputs("\n");
_kcolor(WHITE);
_kputs("\n");
_kputs(LNG_GDT);
init_gdt();
_kprintOK();
outportb(0xFF, MASTER_PORT_1);
outportb(0xFF, SLAVE_PORT_1);
_kputs(LNG_IDT);
asm("cli");
init_idt();
_kprintOK();
_kputs(LNG_PIC8259);
init_IRQ();
_kprintOK();
printf(LNG_PIT8253);
configure_PIT ();
//_kprintOK();
set_memorysize((boot_info->mem_upper+boot_info->mem_lower)*1024);
init_mem();
asm("sti");
_kprintOK();
init_paging();
_kprintOK();
printf("Memory (upper) amount-> %d kb \n", boot_info->mem_upper);
printf("Memory (lower) amount-> %d kb \n", boot_info->mem_lower);
/* Alloc and fill CPUID structure */
sinfo = kmalloc(sizeof(struct cpuinfo_generic));
get_cpuid (sinfo);
vfs_init();
initfs_init();
if(boot_info->mods_count > 0) printf("Found n. %d Modules\n", boot_info->mods_count);
//printf("Address of module: 0x%x - 0x%x\n", *((unsigned int*)boot_info->mods_addr),module_end-(unsigned int) module_start);
printf("\n");
printf("----\n");
printf(LNG_SHELL);
_kprintOK();
printf("[+] Address: 0x%x\n", &end);
printf("\n");
#ifdef BOCHS_DEBUG
dbg_bochs_print((const unsigned char*)"DreamOS Debug String for Bochs\n");
#endif
shell();
return 0;
}
void shell()
{
char cmd[256];
char string[256];
char *user = kmalloc(24);
memset(user, 0, strlen(user));
printf(LNG_USER);
scanf ("%23s",user);
while (!strlen(user))
{
printf(LNG_USER);
scanf ("%s",user);
printf(LNG_USER_R);
}
_kclear();
aalogo();
printf("\n\n\n\n");
shell_mess = strlen (user) + 3;
argc=1;
for (;;)
{
printf("%s~# ",user);
scanf("%254s",cmd);
options (cmd);
if (strcmp(argv[0], "help") == 0)
{
printf("Available commands:\n");
help();
}
else if (strcmp(argv[0], "echo") == 0)
{
int c;
for (c=1; c<argc; c++)
printf ("%s ", argv[c]);
printf ("\n");
}
else if (strcmp(argv[0], "poweroff") == 0)
{
printf("Poweroff..\n");
poweroff();
}
else if (strcmp(argv[0], "clear") == 0)
{
_kclear();
}
else if (strcmp (argv[0], "uname") == 0)
{
/*if (argv[2] != " ")
{
memmove(argv[2], argv[2]+6, strlen(argv[2]));
}*/
if (!(_kstrncmp(argv[1], "-a", 2)) || !(_kstrncmp(argv[1], "--all", 5)))
{
printf("%s %s.%s%s #1 CEST 2009 %s\n",NAME,VERSION,PATCHLEVEL,EXTRAVERSION,cpu_vendor);
}
else if (!(_kstrncmp(argv[1], "-r", 2)) || !(_kstrncmp(argv[1], "--rev", 5)))
{
printf("%s.%s%s\n",VERSION,PATCHLEVEL,EXTRAVERSION);
}
else if (!(_kstrncmp(argv[1], "-h", 2) ) || !(_kstrncmp(argv[1], "--help", 6)))
{
uname_help();
}
else if (!(_kstrncmp(argv[1], "-i", 2)) || !(_kstrncmp(argv[1], "--info", 6)))
{
info();
}
if (!(_kstrncmp(argv[1], '\0', 1)))
{
printf("%s\n"
"For more info about this tool, please do 'uname --help'\n",NAME);
}
}
else if (strcmp(argv[0], "cpuid") == 0)
{
struct cpuinfo_generic *sinfo = get_cpuid();
printf ("----- CPUID Information -----\n");
printf ("Vendor: %s\n", sinfo->cpu_vendor);
printf ("Type: %s\n", sinfo->cpu_type);
free (sinfo);
}
else if (strcmp(argv[0], "answer") == 0)
{
printf("42\n");
outportb('4',0xe9);
}
else if (strcmp(argv[0], "sleep") == 0)
{
int s;
if (argv[1]) {
s = atoi(argv[1]);
if (s != -1)
sleep (s);
} else printf ("Missing operand\n");
}
else if (strcmp(argv[0], "kmalloc") == 0)
{
printf("kmalloc try: ...\n");
int *b;
b = (int*) kmalloc(10*sizeof(int));
printf("Address obtained: %d\n", b);
int i = 0;
while(i<10){
b[i] = i*2;
i++;
}
i=0;
while(i<10) {
printf("b[%d] = %d\n",i, b[i]);
i++;
}
printf("Address of a: %d\n", b);
printf("Navigating used list...\n");
print_heap_list (kheap->used_list);
free (b);
}
else if (strcmp(argv[0], "do_fault") == 0)
{
printf ("Genero un pagefault scrivendo 10 nella locazione 0xa0000000...\n");
int *prova;
prova = (int*)0xa0000000;
*prova = 10;
printf ("Contenuto della locazione 0xa0000000 dopo l'intervento dell'handler: %d\n", *prova);
}
/*else if (!(_kstrncmp(cmd,"try_heap",8))){
try_alloc();
}
else if (!(_kstrncmp(cmd,"free",4))) {
unsigned int ptr = 425548;
free((unsigned int*)ptr);
ptr = 437836;
free((unsigned int*)ptr);
ptr=446028;
free((unsigned int*)ptr);
printf("Navigating used list...\n");
print_heap_list (kheap->used_list);
printf("Navigating free list...\n");
print_heap_list (kheap->free_list);
printf("Navigating free nodes...\n");
print_heap_list (kheap->free_nodes);
}*/
else if (strcmp(argv[0], "printmem") == 0) print_heap_list(kheap->used_list);
else if (strcmp(argv[0], "date") == 0) date();
else if (strcmp(argv[0], "aalogo") == 0)
aalogo();
else if (strcmp(argv[0], "credits") == 0)
{
_kcolor('\011');
_kputs("DreamOS Credits\n\n");
_kputs("Main Developers:\n");
_kcolor('\012');
printf("Shainer - Lisa\n"
"Finarfin - Ivan\n\n\n"
);
_kcolor('\011');
_kputs("Contributors:\n");
_kcolor('\012');
_kputs("Osiris\n"
"Celeron\n"
"Hamcha\n"
"m0nt0\n"
"and many others (3 or 4 :P)\n\n");
_kcolor('\007');
}
else if (strlen(cmd)>0)
{
printf(LNG_UNKNOWN_CMD " %s\n", argv[0]);
}
memset(string+5, 0, strlen(string));
memset(cmd, 0, strlen(cmd));
for (--argc; argc>=0; argc--) {
free (argv[argc]);
}
}
}
/**
* @author Ivan Gualandri
* @version 1.0
*
* Questa funzione gestira a livello centralizzato le varie eccezione
*/
void _globalException(int n, int error)
{
switch (n) {
case DIVIDE_ERROR:
_kputs("Divide Error\n");
break;
case DEBUG_EXC:
_kputs("Debug Exception\n");
break;
case NMI_INTERRUPT:
_kputs("NMI Exception\n");
break;
case OVERFLOW:
_kputs("OverFlow Exception\n");
break;
case BOUND_RANGE_EXCEED:
_kputs("Bound Exception\n");
break;
case DEV_NOT_AVL:
_kputs("Device Not Available Exception\n");
break;
case COPROC_SEG_OVERRUN:
_kputs("CoProcessor Segment Overrun\n");
break;
case BREAKPOINT:
_kputs("BreakPoint\n");
break;
case INVALID_TSS:
_kputs("Invalid TSS\n");
break;
case SEGMENT_NOT_PRESENT:
_kputs("Segment Not Present\n");
break;
case STACK_SEGMENT_FAULT:
_kputs("Stack Segment Fault Exception\n");
break;
case GENERAL_PROTECTION:
_kputs("General Protection Exception\n");
break;
case INVALID_OPCODE:
_kputs("Invalid Opcode Exception\n");
break;
case PAGE_FAULT:
page_fault_handler (error);
break;
case INT_RSV:
_kputs("Intel Reserved\n");
break;
case FLOATING_POINT_ERR:
_kputs("Floating Point Exception\n");
break;
case ALIGNMENT_CHECK:
_kputs("Alignment Check Exception\n");
break;
case MACHINE_CHECK:
_kputs("Machine Check Exception\n");
break;
case DOUBLE_FAULT:
_kputs("Double Fault Exception\n");
break;
case SIMD_FP_EXC:
_kputs ("Simd Floating Point Exception\n");
break;
default:
_kputs ("Unknown exception\n");
break;
}
}
void _int_rsv(){
_kputs("Eccezione Riservata - PANIC\n");
while(1);
}
/*
* The keyboard handler
*/
void keyboard_isr (void)
{
sc = inportb (0x60); // take scancode from the port
/* error handling */
if (sc == 0x00 || sc == 0xFF) {
_kputs ("Keyboard error\n");
goto end;
}
/* The right map is selected */
if (is_shifted == 0 && is_tab_pressed == 0)
curmap = key_it_map;
else if (is_shifted == 0 && is_tab_pressed)
curmap = shifted_it_map;
else if (is_shifted == 1 && is_tab_pressed == 0)
curmap = shifted_it_map;
else if (is_shifted == 1 && is_tab_pressed)
curmap = key_it_map;
/* In case of useless break codes, switch controls...*/
if (sc > CODE_BREAK && sc != (KEY_LSHIFT|CODE_BREAK) && sc != (KEY_RSHIFT|CODE_BREAK)){
if (sc==KEY_ENTER+128)
outportb(MASTER_PORT, EOI);
goto end;
}
switch (sc) {
case KEY_LSHIFT:
is_shifted = 1;
break;
case KEY_PGDOWN:
_kscrolldown ();
break;
case KEY_PGUP:
_kscrollup ();
break;
case KEY_RSHIFT:
is_shifted = 1;
break;
case KEY_LSHIFT|CODE_BREAK:
case KEY_RSHIFT|CODE_BREAK:
is_shifted = 0;
break;
case CAPS_LED:
if (is_tab_pressed == 0) {
_ksetleds (1,-1,-1);
is_tab_pressed = 1;
} else {
is_tab_pressed = 0;
_ksetleds (0,-1,-1);
}
break;
case NUM_LED:
if (is_num_pressed == 0) {
_ksetleds (-1,1,-1);
is_num_pressed = 1;
} else {
_ksetleds (-1,0,-1);
is_num_pressed = 0;
}
break;
case SCROLL_LED:
if (is_scroll_pressed == 0) {
_ksetleds (-1,-1,1);
is_scroll_pressed = 1;
} else {
_ksetleds (-1,-1,0);
is_scroll_pressed = 0;
}
break;
case KEY_ESCAPE:
break;
case KEY_BACKSPACE:
if (STEP(buf_w) == buf_r)
buf_r = STEP(buf_r);
circlebuf[buf_w] = '\b';
buf_w = STEP(buf_w);
_kbackspace();
_ksetcursauto();
break;
case KEY_ENTER:
if (STEP(buf_w) == buf_r)
buf_r = STEP(buf_r);
circlebuf[buf_w] = '\n';
buf_w = STEP(buf_w);
_knewline();
_ksetcursauto();
last_tab = 0;
outportb(MASTER_PORT, EOI);
break;
case KEY_TAB:
if (STEP(buf_w) == buf_r)
buf_r = STEP(buf_r);
circlebuf[buf_w] = '\t';
buf_w = STEP(buf_w);
_ktab();
_ksetcursauto();
last_tab++;
break;
case KEY_UPARROW:
history_start();
_ksetcursauto();
break;
case KEY_DOWNARROW:
history_start();
_ksetcursauto();
break;
case KEY_LEFTARROW:
//_ksetcursor((_kgetline()), (_kgetcolumn() - 1));
break;
case KEY_RIGHTARROW:
//_ksetcursor((_kgetline()), (_kgetcolumn() + 1));
break;
// Presente un bug qui che non permette il fix dei relativi tasti
// se si decommenta, il sistema all'avvio va in panic e si riavvia
case KEY_ALT:
//_kputs("Alt key pressed, nothing to be done\n");
break;
/*case KEY_ALTGR:
break;*/
case KEY_CTRL:
break;
default:
if (isdigit(key_it_map[sc]) && is_tab_pressed == 1)
curmap = key_it_map;
//printf ("%d", sc);
if(shadow==0) putchar (curmap[sc]);
/* Update buffer */
if (STEP(buf_w) == buf_r)
buf_r = STEP(buf_r);
circlebuf[buf_w] = curmap[sc];
buf_w = STEP(buf_w);
}
end:
/* Send acknowledge */
//printf ("Prego");
outportb (MASTER_PORT, EOI);
return;
}